/*
- * QEMU PC System Emulator
+ * QEMU System Emulator
*
- * Copyright (c) 2003 Fabrice Bellard
+ * Copyright (c) 2003-2005 Fabrice Bellard
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdarg.h>
-#include <string.h>
-#include <ctype.h>
-#include <getopt.h>
-#include <inttypes.h>
+#include "vl.h"
+
#include <unistd.h>
-#include <sys/mman.h>
#include <fcntl.h>
#include <signal.h>
#include <time.h>
+#include <errno.h>
#include <sys/time.h>
-#include <malloc.h>
+
+#ifndef _WIN32
+#include <sys/times.h>
+#include <sys/wait.h>
#include <termios.h>
#include <sys/poll.h>
-#include <errno.h>
-#include <sys/wait.h>
-
+#include <sys/mman.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
+#include <netinet/in.h>
+#include <dirent.h>
+#include <netdb.h>
+#ifdef _BSD
+#include <sys/stat.h>
+#ifndef __APPLE__
+#include <libutil.h>
+#endif
+#else
+#ifndef __sun__
#include <linux/if.h>
#include <linux/if_tun.h>
+#include <pty.h>
+#include <malloc.h>
+#include <linux/rtc.h>
+#include <linux/ppdev.h>
+#endif
+#endif
+#endif
-#include "cpu.h"
-#include "disas.h"
-#include "thunk.h"
-
-#include "vl.h"
-
-#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
-#define BIOS_FILENAME "bios.bin"
-#define VGABIOS_FILENAME "vgabios.bin"
-
-//#define DEBUG_UNUSED_IOPORT
+#if defined(CONFIG_SLIRP)
+#include "libslirp.h"
+#endif
-//#define DEBUG_IRQ_LATENCY
+#ifdef _WIN32
+#include <malloc.h>
+#include <sys/timeb.h>
+#include <windows.h>
+#define getopt_long_only getopt_long
+#define memalign(align, size) malloc(size)
+#endif
-/* output Bochs bios info messages */
-//#define DEBUG_BIOS
+#include "qemu_socket.h"
-//#define DEBUG_CMOS
+#ifdef CONFIG_SDL
+#ifdef __APPLE__
+#include <SDL/SDL.h>
+#endif
+#endif /* CONFIG_SDL */
-/* debug PIC */
-//#define DEBUG_PIC
+#ifdef CONFIG_COCOA
+#undef main
+#define main qemu_main
+#endif /* CONFIG_COCOA */
-/* debug NE2000 card */
-//#define DEBUG_NE2000
+#include "disas.h"
-/* debug PC keyboard */
-//#define DEBUG_KBD
+#include "exec-all.h"
-/* debug PC keyboard : only mouse */
-//#define DEBUG_MOUSE
+#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
-//#define DEBUG_SERIAL
+//#define DEBUG_UNUSED_IOPORT
+//#define DEBUG_IOPORT
-#define PHYS_RAM_BASE 0xac000000
+#if !defined(CONFIG_SOFTMMU)
#define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024)
+#else
+#define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)
+#endif
-#if defined (TARGET_I386)
-#define KERNEL_LOAD_ADDR 0x00100000
-#elif defined (TARGET_PPC)
-//#define USE_OPEN_FIRMWARE
-#if defined (USE_OPEN_FIRMWARE)
-#define KERNEL_LOAD_ADDR 0x01000000
-#define KERNEL_STACK_ADDR 0x01200000
+#ifdef TARGET_PPC
+#define DEFAULT_RAM_SIZE 144
#else
-#define KERNEL_LOAD_ADDR 0x00000000
-#define KERNEL_STACK_ADDR 0x00400000
-#endif
-#endif
-#define INITRD_LOAD_ADDR 0x00400000
-#define KERNEL_PARAMS_ADDR 0x00090000
-
-#define GUI_REFRESH_INTERVAL 30
-
-/* from plex86 (BSD license) */
-struct __attribute__ ((packed)) linux_params {
- // For 0x00..0x3f, see 'struct screen_info' in linux/include/linux/tty.h.
- // I just padded out the VESA parts, rather than define them.
-
- /* 0x000 */ uint8_t orig_x;
- /* 0x001 */ uint8_t orig_y;
- /* 0x002 */ uint16_t ext_mem_k;
- /* 0x004 */ uint16_t orig_video_page;
- /* 0x006 */ uint8_t orig_video_mode;
- /* 0x007 */ uint8_t orig_video_cols;
- /* 0x008 */ uint16_t unused1;
- /* 0x00a */ uint16_t orig_video_ega_bx;
- /* 0x00c */ uint16_t unused2;
- /* 0x00e */ uint8_t orig_video_lines;
- /* 0x00f */ uint8_t orig_video_isVGA;
- /* 0x010 */ uint16_t orig_video_points;
- /* 0x012 */ uint8_t pad0[0x20 - 0x12]; // VESA info.
- /* 0x020 */ uint16_t cl_magic; // Commandline magic number (0xA33F)
- /* 0x022 */ uint16_t cl_offset; // Commandline offset. Address of commandline
- // is calculated as 0x90000 + cl_offset, bu
- // only if cl_magic == 0xA33F.
- /* 0x024 */ uint8_t pad1[0x40 - 0x24]; // VESA info.
-
- /* 0x040 */ uint8_t apm_bios_info[20]; // struct apm_bios_info
- /* 0x054 */ uint8_t pad2[0x80 - 0x54];
-
- // Following 2 from 'struct drive_info_struct' in drivers/block/cciss.h.
- // Might be truncated?
- /* 0x080 */ uint8_t hd0_info[16]; // hd0-disk-parameter from intvector 0x41
- /* 0x090 */ uint8_t hd1_info[16]; // hd1-disk-parameter from intvector 0x46
-
- // System description table truncated to 16 bytes
- // From 'struct sys_desc_table_struct' in linux/arch/i386/kernel/setup.c.
- /* 0x0a0 */ uint16_t sys_description_len;
- /* 0x0a2 */ uint8_t sys_description_table[14];
- // [0] machine id
- // [1] machine submodel id
- // [2] BIOS revision
- // [3] bit1: MCA bus
-
- /* 0x0b0 */ uint8_t pad3[0x1e0 - 0xb0];
- /* 0x1e0 */ uint32_t alt_mem_k;
- /* 0x1e4 */ uint8_t pad4[4];
- /* 0x1e8 */ uint8_t e820map_entries;
- /* 0x1e9 */ uint8_t eddbuf_entries; // EDD_NR
- /* 0x1ea */ uint8_t pad5[0x1f1 - 0x1ea];
- /* 0x1f1 */ uint8_t setup_sects; // size of setup.S, number of sectors
- /* 0x1f2 */ uint16_t mount_root_rdonly; // MOUNT_ROOT_RDONLY (if !=0)
- /* 0x1f4 */ uint16_t sys_size; // size of compressed kernel-part in the
- // (b)zImage-file (in 16 byte units, rounded up)
- /* 0x1f6 */ uint16_t swap_dev; // (unused AFAIK)
- /* 0x1f8 */ uint16_t ramdisk_flags;
- /* 0x1fa */ uint16_t vga_mode; // (old one)
- /* 0x1fc */ uint16_t orig_root_dev; // (high=Major, low=minor)
- /* 0x1fe */ uint8_t pad6[1];
- /* 0x1ff */ uint8_t aux_device_info;
- /* 0x200 */ uint16_t jump_setup; // Jump to start of setup code,
- // aka "reserved" field.
- /* 0x202 */ uint8_t setup_signature[4]; // Signature for SETUP-header, ="HdrS"
- /* 0x206 */ uint16_t header_format_version; // Version number of header format;
- /* 0x208 */ uint8_t setup_S_temp0[8]; // Used by setup.S for communication with
- // boot loaders, look there.
- /* 0x210 */ uint8_t loader_type;
- // 0 for old one.
- // else 0xTV:
- // T=0: LILO
- // T=1: Loadlin
- // T=2: bootsect-loader
- // T=3: SYSLINUX
- // T=4: ETHERBOOT
- // V=version
- /* 0x211 */ uint8_t loadflags;
- // bit0 = 1: kernel is loaded high (bzImage)
- // bit7 = 1: Heap and pointer (see below) set by boot
- // loader.
- /* 0x212 */ uint16_t setup_S_temp1;
- /* 0x214 */ uint32_t kernel_start;
- /* 0x218 */ uint32_t initrd_start;
- /* 0x21c */ uint32_t initrd_size;
- /* 0x220 */ uint8_t setup_S_temp2[4];
- /* 0x224 */ uint16_t setup_S_heap_end_pointer;
- /* 0x226 */ uint8_t pad7[0x2d0 - 0x226];
-
- /* 0x2d0 : Int 15, ax=e820 memory map. */
- // (linux/include/asm-i386/e820.h, 'struct e820entry')
-#define E820MAX 32
-#define E820_RAM 1
-#define E820_RESERVED 2
-#define E820_ACPI 3 /* usable as RAM once ACPI tables have been read */
-#define E820_NVS 4
- struct {
- uint64_t addr;
- uint64_t size;
- uint32_t type;
- } e820map[E820MAX];
-
- /* 0x550 */ uint8_t pad8[0x600 - 0x550];
-
- // BIOS Enhanced Disk Drive Services.
- // (From linux/include/asm-i386/edd.h, 'struct edd_info')
- // Each 'struct edd_info is 78 bytes, times a max of 6 structs in array.
- /* 0x600 */ uint8_t eddbuf[0x7d4 - 0x600];
-
- /* 0x7d4 */ uint8_t pad9[0x800 - 0x7d4];
- /* 0x800 */ uint8_t commandline[0x800];
-
- /* 0x1000 */
- uint64_t gdt_table[256];
- uint64_t idt_table[48];
-};
+#define DEFAULT_RAM_SIZE 128
+#endif
+/* in ms */
+#define GUI_REFRESH_INTERVAL 30
-#define KERNEL_CS 0x10
-#define KERNEL_DS 0x18
+/* Max number of USB devices that can be specified on the commandline. */
+#define MAX_USB_CMDLINE 8
/* XXX: use a two level table to limit memory usage */
#define MAX_IOPORTS 65536
-static const char *bios_dir = CONFIG_QEMU_SHAREDIR;
+const char *bios_dir = CONFIG_QEMU_SHAREDIR;
char phys_ram_file[1024];
-CPUState *global_env;
-CPUState *cpu_single_env;
+void *ioport_opaque[MAX_IOPORTS];
IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
BlockDriverState *bs_table[MAX_DISKS], *fd_table[MAX_FD];
int vga_ram_size;
+int bios_size;
static DisplayState display_state;
int nographic;
-int term_inited;
+const char* keyboard_layout = NULL;
int64_t ticks_per_sec;
int boot_device = 'c';
+int ram_size;
+int pit_min_timer_count = 0;
+int nb_nics;
+NICInfo nd_table[MAX_NICS];
+QEMUTimer *gui_timer;
+int vm_running;
+int rtc_utc = 1;
+int cirrus_vga_enabled = 1;
+#ifdef TARGET_SPARC
+int graphic_width = 1024;
+int graphic_height = 768;
+#else
+int graphic_width = 800;
+int graphic_height = 600;
+#endif
+int graphic_depth = 15;
+int full_screen = 0;
+CharDriverState *serial_hds[MAX_SERIAL_PORTS];
+CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
+#ifdef TARGET_I386
+int win2k_install_hack = 0;
+#endif
+int usb_enabled = 0;
+static VLANState *first_vlan;
+int smp_cpus = 1;
+int vnc_display = -1;
+#if defined(TARGET_SPARC)
+#define MAX_CPUS 16
+#elif defined(TARGET_I386)
+#define MAX_CPUS 255
+#else
+#define MAX_CPUS 1
+#endif
+int acpi_enabled = 1;
/***********************************************************/
-/* x86 io ports */
+/* x86 ISA bus support */
+
+target_phys_addr_t isa_mem_base = 0;
+PicState2 *isa_pic;
-uint32_t default_ioport_readb(CPUState *env, uint32_t address)
+uint32_t default_ioport_readb(void *opaque, uint32_t address)
{
#ifdef DEBUG_UNUSED_IOPORT
fprintf(stderr, "inb: port=0x%04x\n", address);
return 0xff;
}
-void default_ioport_writeb(CPUState *env, uint32_t address, uint32_t data)
+void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
{
#ifdef DEBUG_UNUSED_IOPORT
fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data);
}
/* default is to make two byte accesses */
-uint32_t default_ioport_readw(CPUState *env, uint32_t address)
+uint32_t default_ioport_readw(void *opaque, uint32_t address)
{
uint32_t data;
- data = ioport_read_table[0][address & (MAX_IOPORTS - 1)](env, address);
- data |= ioport_read_table[0][(address + 1) & (MAX_IOPORTS - 1)](env, address + 1) << 8;
+ data = ioport_read_table[0][address](ioport_opaque[address], address);
+ address = (address + 1) & (MAX_IOPORTS - 1);
+ data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8;
return data;
}
-void default_ioport_writew(CPUState *env, uint32_t address, uint32_t data)
+void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
{
- ioport_write_table[0][address & (MAX_IOPORTS - 1)](env, address, data & 0xff);
- ioport_write_table[0][(address + 1) & (MAX_IOPORTS - 1)](env, address + 1, (data >> 8) & 0xff);
+ ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff);
+ address = (address + 1) & (MAX_IOPORTS - 1);
+ ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff);
}
-uint32_t default_ioport_readl(CPUState *env, uint32_t address)
+uint32_t default_ioport_readl(void *opaque, uint32_t address)
{
#ifdef DEBUG_UNUSED_IOPORT
fprintf(stderr, "inl: port=0x%04x\n", address);
return 0xffffffff;
}
-void default_ioport_writel(CPUState *env, uint32_t address, uint32_t data)
+void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
{
#ifdef DEBUG_UNUSED_IOPORT
fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data);
}
/* size is the word size in byte */
-int register_ioport_read(int start, int length, IOPortReadFunc *func, int size)
+int register_ioport_read(int start, int length, int size,
+ IOPortReadFunc *func, void *opaque)
{
int i, bsize;
- if (size == 1)
+ if (size == 1) {
bsize = 0;
- else if (size == 2)
+ } else if (size == 2) {
bsize = 1;
- else if (size == 4)
+ } else if (size == 4) {
bsize = 2;
- else
+ } else {
+ hw_error("register_ioport_read: invalid size");
return -1;
- for(i = start; i < start + length; i += size)
+ }
+ for(i = start; i < start + length; i += size) {
ioport_read_table[bsize][i] = func;
+ if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
+ hw_error("register_ioport_read: invalid opaque");
+ ioport_opaque[i] = opaque;
+ }
return 0;
}
/* size is the word size in byte */
-int register_ioport_write(int start, int length, IOPortWriteFunc *func, int size)
+int register_ioport_write(int start, int length, int size,
+ IOPortWriteFunc *func, void *opaque)
{
int i, bsize;
- if (size == 1)
+ if (size == 1) {
bsize = 0;
- else if (size == 2)
+ } else if (size == 2) {
bsize = 1;
- else if (size == 4)
+ } else if (size == 4) {
bsize = 2;
- else
+ } else {
+ hw_error("register_ioport_write: invalid size");
return -1;
- for(i = start; i < start + length; i += size)
+ }
+ for(i = start; i < start + length; i += size) {
ioport_write_table[bsize][i] = func;
+ if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
+ hw_error("register_ioport_read: invalid opaque");
+ ioport_opaque[i] = opaque;
+ }
return 0;
}
+void isa_unassign_ioport(int start, int length)
+{
+ int i;
+
+ for(i = start; i < start + length; i++) {
+ ioport_read_table[0][i] = default_ioport_readb;
+ ioport_read_table[1][i] = default_ioport_readw;
+ ioport_read_table[2][i] = default_ioport_readl;
+
+ ioport_write_table[0][i] = default_ioport_writeb;
+ ioport_write_table[1][i] = default_ioport_writew;
+ ioport_write_table[2][i] = default_ioport_writel;
+ }
+}
+
+/***********************************************************/
+
void pstrcpy(char *buf, int buf_size, const char *str)
{
int c;
return buf;
}
-int load_kernel(const char *filename, uint8_t *addr)
-{
- int fd, size;
-#if defined (TARGET_I386)
- int setup_sects;
- uint8_t bootsect[512];
-#endif
-
- printf("Load kernel at %p (0x%08x)\n", addr,
- (uint32_t)addr - (uint32_t)phys_ram_base);
- fd = open(filename, O_RDONLY);
- if (fd < 0)
- return -1;
-#if defined (TARGET_I386)
- if (read(fd, bootsect, 512) != 512)
- goto fail;
- setup_sects = bootsect[0x1F1];
- if (!setup_sects)
- setup_sects = 4;
- /* skip 16 bit setup code */
- lseek(fd, (setup_sects + 1) * 512, SEEK_SET);
-#endif
- size = read(fd, addr, 16 * 1024 * 1024);
- if (size < 0)
- goto fail;
- close(fd);
- return size;
- fail:
- close(fd);
- return -1;
-}
-
-/* return the size or -1 if error */
-int load_image(const char *filename, uint8_t *addr)
+int strstart(const char *str, const char *val, const char **ptr)
{
- int fd, size;
- fd = open(filename, O_RDONLY);
- if (fd < 0)
- return -1;
- size = lseek(fd, 0, SEEK_END);
- lseek(fd, 0, SEEK_SET);
- if (read(fd, addr, size) != size) {
- close(fd);
- return -1;
+ const char *p, *q;
+ p = str;
+ q = val;
+ while (*q != '\0') {
+ if (*p != *q)
+ return 0;
+ p++;
+ q++;
}
- close(fd);
- return size;
+ if (ptr)
+ *ptr = p;
+ return 1;
}
void cpu_outb(CPUState *env, int addr, int val)
{
- ioport_write_table[0][addr & (MAX_IOPORTS - 1)](env, addr, val);
+#ifdef DEBUG_IOPORT
+ if (loglevel & CPU_LOG_IOPORT)
+ fprintf(logfile, "outb: %04x %02x\n", addr, val);
+#endif
+ ioport_write_table[0][addr](ioport_opaque[addr], addr, val);
+#ifdef USE_KQEMU
+ if (env)
+ env->last_io_time = cpu_get_time_fast();
+#endif
}
void cpu_outw(CPUState *env, int addr, int val)
{
- ioport_write_table[1][addr & (MAX_IOPORTS - 1)](env, addr, val);
+#ifdef DEBUG_IOPORT
+ if (loglevel & CPU_LOG_IOPORT)
+ fprintf(logfile, "outw: %04x %04x\n", addr, val);
+#endif
+ ioport_write_table[1][addr](ioport_opaque[addr], addr, val);
+#ifdef USE_KQEMU
+ if (env)
+ env->last_io_time = cpu_get_time_fast();
+#endif
}
void cpu_outl(CPUState *env, int addr, int val)
{
- ioport_write_table[2][addr & (MAX_IOPORTS - 1)](env, addr, val);
+#ifdef DEBUG_IOPORT
+ if (loglevel & CPU_LOG_IOPORT)
+ fprintf(logfile, "outl: %04x %08x\n", addr, val);
+#endif
+ ioport_write_table[2][addr](ioport_opaque[addr], addr, val);
+#ifdef USE_KQEMU
+ if (env)
+ env->last_io_time = cpu_get_time_fast();
+#endif
}
int cpu_inb(CPUState *env, int addr)
{
- return ioport_read_table[0][addr & (MAX_IOPORTS - 1)](env, addr);
+ int val;
+ val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
+#ifdef DEBUG_IOPORT
+ if (loglevel & CPU_LOG_IOPORT)
+ fprintf(logfile, "inb : %04x %02x\n", addr, val);
+#endif
+#ifdef USE_KQEMU
+ if (env)
+ env->last_io_time = cpu_get_time_fast();
+#endif
+ return val;
}
int cpu_inw(CPUState *env, int addr)
{
- return ioport_read_table[1][addr & (MAX_IOPORTS - 1)](env, addr);
+ int val;
+ val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
+#ifdef DEBUG_IOPORT
+ if (loglevel & CPU_LOG_IOPORT)
+ fprintf(logfile, "inw : %04x %04x\n", addr, val);
+#endif
+#ifdef USE_KQEMU
+ if (env)
+ env->last_io_time = cpu_get_time_fast();
+#endif
+ return val;
}
int cpu_inl(CPUState *env, int addr)
{
- return ioport_read_table[2][addr & (MAX_IOPORTS - 1)](env, addr);
+ int val;
+ val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
+#ifdef DEBUG_IOPORT
+ if (loglevel & CPU_LOG_IOPORT)
+ fprintf(logfile, "inl : %04x %08x\n", addr, val);
+#endif
+#ifdef USE_KQEMU
+ if (env)
+ env->last_io_time = cpu_get_time_fast();
+#endif
+ return val;
}
/***********************************************************/
-void ioport80_write(CPUState *env, uint32_t addr, uint32_t data)
-{
-}
-
void hw_error(const char *fmt, ...)
{
va_list ap;
+ CPUState *env;
va_start(ap, fmt);
fprintf(stderr, "qemu: hardware error: ");
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
+ for(env = first_cpu; env != NULL; env = env->next_cpu) {
+ fprintf(stderr, "CPU #%d:\n", env->cpu_index);
#ifdef TARGET_I386
- cpu_x86_dump_state(global_env, stderr, X86_DUMP_FPU | X86_DUMP_CCOP);
+ cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
#else
- cpu_dump_state(global_env, stderr, 0);
+ cpu_dump_state(env, stderr, fprintf, 0);
#endif
+ }
va_end(ap);
abort();
}
/***********************************************************/
-/* cmos emulation */
-
-#if defined (TARGET_I386)
-#define RTC_SECONDS 0
-#define RTC_SECONDS_ALARM 1
-#define RTC_MINUTES 2
-#define RTC_MINUTES_ALARM 3
-#define RTC_HOURS 4
-#define RTC_HOURS_ALARM 5
-#define RTC_ALARM_DONT_CARE 0xC0
-
-#define RTC_DAY_OF_WEEK 6
-#define RTC_DAY_OF_MONTH 7
-#define RTC_MONTH 8
-#define RTC_YEAR 9
-
-#define RTC_REG_A 10
-#define RTC_REG_B 11
-#define RTC_REG_C 12
-#define RTC_REG_D 13
-
-/* PC cmos mappings */
-#define REG_EQUIPMENT_BYTE 0x14
-#define REG_IBM_CENTURY_BYTE 0x32
-
-uint8_t cmos_data[128];
-uint8_t cmos_index;
-
-void cmos_ioport_write(CPUState *env, uint32_t addr, uint32_t data)
-{
- if (addr == 0x70) {
- cmos_index = data & 0x7f;
- } else {
-#ifdef DEBUG_CMOS
- printf("cmos: write index=0x%02x val=0x%02x\n",
- cmos_index, data);
-#endif
- switch(addr) {
- case RTC_SECONDS_ALARM:
- case RTC_MINUTES_ALARM:
- case RTC_HOURS_ALARM:
- /* XXX: not supported */
- cmos_data[cmos_index] = data;
- break;
- case RTC_SECONDS:
- case RTC_MINUTES:
- case RTC_HOURS:
- case RTC_DAY_OF_WEEK:
- case RTC_DAY_OF_MONTH:
- case RTC_MONTH:
- case RTC_YEAR:
- cmos_data[cmos_index] = data;
- break;
- case RTC_REG_A:
- case RTC_REG_B:
- cmos_data[cmos_index] = data;
- break;
- case RTC_REG_C:
- case RTC_REG_D:
- /* cannot write to them */
- break;
- default:
- cmos_data[cmos_index] = data;
- break;
- }
- }
-}
-
-uint32_t cmos_ioport_read(CPUState *env, uint32_t addr)
-{
- int ret;
-
- if (addr == 0x70) {
- return 0xff;
- } else {
- ret = cmos_data[cmos_index];
- switch(cmos_index) {
- case RTC_REG_A:
- /* toggle update-in-progress bit for Linux (same hack as
- plex86) */
- cmos_data[RTC_REG_A] ^= 0x80;
- break;
- case RTC_REG_C:
- pic_set_irq(8, 0);
- cmos_data[RTC_REG_C] = 0x00;
- break;
- }
-#ifdef DEBUG_CMOS
- printf("cmos: read index=0x%02x val=0x%02x\n",
- cmos_index, ret);
-#endif
- return ret;
- }
-}
-
-
-static inline int to_bcd(int a)
-{
- return ((a / 10) << 4) | (a % 10);
-}
-
-void cmos_init(void)
-{
- struct tm *tm;
- time_t ti;
- int val;
-
- ti = time(NULL);
- tm = gmtime(&ti);
- cmos_data[RTC_SECONDS] = to_bcd(tm->tm_sec);
- cmos_data[RTC_MINUTES] = to_bcd(tm->tm_min);
- cmos_data[RTC_HOURS] = to_bcd(tm->tm_hour);
- cmos_data[RTC_DAY_OF_WEEK] = to_bcd(tm->tm_wday);
- cmos_data[RTC_DAY_OF_MONTH] = to_bcd(tm->tm_mday);
- cmos_data[RTC_MONTH] = to_bcd(tm->tm_mon + 1);
- cmos_data[RTC_YEAR] = to_bcd(tm->tm_year % 100);
-
- cmos_data[RTC_REG_A] = 0x26;
- cmos_data[RTC_REG_B] = 0x02;
- cmos_data[RTC_REG_C] = 0x00;
- cmos_data[RTC_REG_D] = 0x80;
-
- /* various important CMOS locations needed by PC/Bochs bios */
- cmos_data[REG_IBM_CENTURY_BYTE] = to_bcd((tm->tm_year / 100) + 19);
-
- cmos_data[REG_EQUIPMENT_BYTE] = 0x02; /* FPU is there */
- cmos_data[REG_EQUIPMENT_BYTE] |= 0x04; /* PS/2 mouse installed */
-
- /* memory size */
- val = (phys_ram_size / 1024) - 1024;
- if (val > 65535)
- val = 65535;
- cmos_data[0x17] = val;
- cmos_data[0x18] = val >> 8;
- cmos_data[0x30] = val;
- cmos_data[0x31] = val >> 8;
-
- val = (phys_ram_size / 65536) - ((16 * 1024 * 1024) / 65536);
- if (val > 65535)
- val = 65535;
- cmos_data[0x34] = val;
- cmos_data[0x35] = val >> 8;
-
- switch(boot_device) {
- case 'a':
- case 'b':
- cmos_data[0x3d] = 0x01; /* floppy boot */
- break;
- default:
- case 'c':
- cmos_data[0x3d] = 0x02; /* hard drive boot */
- break;
- case 'd':
- cmos_data[0x3d] = 0x03; /* CD-ROM boot */
- break;
- }
-
- register_ioport_write(0x70, 2, cmos_ioport_write, 1);
- register_ioport_read(0x70, 2, cmos_ioport_read, 1);
-}
-
-void cmos_register_fd (uint8_t fd0, uint8_t fd1)
-{
- int nb = 0;
-
- cmos_data[0x10] = 0;
- switch (fd0) {
- case 0:
- /* 1.44 Mb 3"5 drive */
- cmos_data[0x10] |= 0x40;
- break;
- case 1:
- /* 2.88 Mb 3"5 drive */
- cmos_data[0x10] |= 0x60;
- break;
- case 2:
- /* 1.2 Mb 5"5 drive */
- cmos_data[0x10] |= 0x20;
- break;
- }
- switch (fd1) {
- case 0:
- /* 1.44 Mb 3"5 drive */
- cmos_data[0x10] |= 0x04;
- break;
- case 1:
- /* 2.88 Mb 3"5 drive */
- cmos_data[0x10] |= 0x06;
- break;
- case 2:
- /* 1.2 Mb 5"5 drive */
- cmos_data[0x10] |= 0x02;
- break;
- }
- if (fd0 < 3)
- nb++;
- if (fd1 < 3)
- nb++;
- switch (nb) {
- case 0:
- break;
- case 1:
- cmos_data[REG_EQUIPMENT_BYTE] |= 0x01; /* 1 drive, ready for boot */
- break;
- case 2:
- cmos_data[REG_EQUIPMENT_BYTE] |= 0x41; /* 2 drives, ready for boot */
- break;
- }
-}
-#endif /* TARGET_I386 */
-
-/***********************************************************/
-/* 8259 pic emulation */
-
-typedef struct PicState {
- uint8_t last_irr; /* edge detection */
- uint8_t irr; /* interrupt request register */
- uint8_t imr; /* interrupt mask register */
- uint8_t isr; /* interrupt service register */
- uint8_t priority_add; /* used to compute irq priority */
- uint8_t irq_base;
- uint8_t read_reg_select;
- uint8_t poll;
- uint8_t special_mask;
- uint8_t init_state;
- uint8_t auto_eoi;
- uint8_t rotate_on_autoeoi;
- uint8_t init4; /* true if 4 byte init */
-} PicState;
-
-/* 0 is master pic, 1 is slave pic */
-PicState pics[2];
-int pic_irq_requested;
-
-/* set irq level. If an edge is detected, then the IRR is set to 1 */
-static inline void pic_set_irq1(PicState *s, int irq, int level)
-{
- int mask;
- mask = 1 << irq;
- if (level) {
- if ((s->last_irr & mask) == 0)
- s->irr |= mask;
- s->last_irr |= mask;
- } else {
- s->last_irr &= ~mask;
- }
-}
-
-static inline int get_priority(PicState *s, int mask)
-{
- int priority;
- if (mask == 0)
- return -1;
- priority = 7;
- while ((mask & (1 << ((priority + s->priority_add) & 7))) == 0)
- priority--;
- return priority;
-}
-
-/* return the pic wanted interrupt. return -1 if none */
-static int pic_get_irq(PicState *s)
-{
- int mask, cur_priority, priority;
+/* keyboard/mouse */
- mask = s->irr & ~s->imr;
- priority = get_priority(s, mask);
- if (priority < 0)
- return -1;
- /* compute current priority */
- cur_priority = get_priority(s, s->isr);
- if (priority > cur_priority) {
- /* higher priority found: an irq should be generated */
- return priority;
- } else {
- return -1;
- }
-}
-
-/* raise irq to CPU if necessary. must be called every time the active
- irq may change */
-void pic_update_irq(void)
-{
- int irq2, irq;
-
- /* first look at slave pic */
- irq2 = pic_get_irq(&pics[1]);
- if (irq2 >= 0) {
- /* if irq request by slave pic, signal master PIC */
- pic_set_irq1(&pics[0], 2, 1);
- pic_set_irq1(&pics[0], 2, 0);
- }
- /* look at requested irq */
- irq = pic_get_irq(&pics[0]);
- if (irq >= 0) {
- if (irq == 2) {
- /* from slave pic */
- pic_irq_requested = 8 + irq2;
- } else {
- /* from master pic */
- pic_irq_requested = irq;
- }
- cpu_interrupt(global_env, CPU_INTERRUPT_HARD);
- }
-}
-
-#ifdef DEBUG_IRQ_LATENCY
-int64_t irq_time[16];
-int64_t cpu_get_ticks(void);
-#endif
-#if defined(DEBUG_PIC)
-int irq_level[16];
-#endif
+static QEMUPutKBDEvent *qemu_put_kbd_event;
+static void *qemu_put_kbd_event_opaque;
+static QEMUPutMouseEvent *qemu_put_mouse_event;
+static void *qemu_put_mouse_event_opaque;
+static int qemu_put_mouse_event_absolute;
-void pic_set_irq(int irq, int level)
+void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
{
-#if defined(DEBUG_PIC)
- if (level != irq_level[irq]) {
- printf("pic_set_irq: irq=%d level=%d\n", irq, level);
- irq_level[irq] = level;
- }
-#endif
-#ifdef DEBUG_IRQ_LATENCY
- if (level) {
- irq_time[irq] = cpu_get_ticks();
- }
-#endif
- pic_set_irq1(&pics[irq >> 3], irq & 7, level);
- pic_update_irq();
+ qemu_put_kbd_event_opaque = opaque;
+ qemu_put_kbd_event = func;
}
-int cpu_x86_get_pic_interrupt(CPUState *env)
+void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque, int absolute)
{
- int irq, irq2, intno;
-
- /* signal the pic that the irq was acked by the CPU */
- irq = pic_irq_requested;
-#ifdef DEBUG_IRQ_LATENCY
- printf("IRQ%d latency=%0.3fus\n",
- irq,
- (double)(cpu_get_ticks() - irq_time[irq]) * 1000000.0 / ticks_per_sec);
-#endif
-#if defined(DEBUG_PIC)
- printf("pic_interrupt: irq=%d\n", irq);
-#endif
-
- if (irq >= 8) {
- irq2 = irq & 7;
- pics[1].isr |= (1 << irq2);
- pics[1].irr &= ~(1 << irq2);
- irq = 2;
- intno = pics[1].irq_base + irq2;
- } else {
- intno = pics[0].irq_base + irq;
- }
- pics[0].isr |= (1 << irq);
- pics[0].irr &= ~(1 << irq);
- return intno;
-}
-
-void pic_ioport_write(CPUState *env, uint32_t addr, uint32_t val)
-{
- PicState *s;
- int priority;
-
-#ifdef DEBUG_PIC
- printf("pic_write: addr=0x%02x val=0x%02x\n", addr, val);
-#endif
- s = &pics[addr >> 7];
- addr &= 1;
- if (addr == 0) {
- if (val & 0x10) {
- /* init */
- memset(s, 0, sizeof(PicState));
- s->init_state = 1;
- s->init4 = val & 1;
- if (val & 0x02)
- hw_error("single mode not supported");
- if (val & 0x08)
- hw_error("level sensitive irq not supported");
- } else if (val & 0x08) {
- if (val & 0x04) {
- s->poll = 1;
- } else {
- if (val & 0x02)
- s->read_reg_select = val & 1;
- if (val & 0x40)
- s->special_mask = (val >> 5) & 1;
- }
- } else {
- switch(val) {
- case 0x00:
- case 0x80:
- s->rotate_on_autoeoi = val >> 7;
- break;
- case 0x20: /* end of interrupt */
- case 0xa0:
- priority = get_priority(s, s->isr);
- if (priority >= 0) {
- s->isr &= ~(1 << ((priority + s->priority_add) & 7));
- }
- if (val == 0xa0)
- s->priority_add = (s->priority_add + 1) & 7;
- pic_update_irq();
- break;
- case 0x60 ... 0x67:
- priority = val & 7;
- s->isr &= ~(1 << priority);
- pic_update_irq();
- break;
- case 0xc0 ... 0xc7:
- s->priority_add = (val + 1) & 7;
- pic_update_irq();
- break;
- case 0xe0 ... 0xe7:
- priority = val & 7;
- s->isr &= ~(1 << priority);
- s->priority_add = (priority + 1) & 7;
- pic_update_irq();
- break;
- }
- }
- } else {
- switch(s->init_state) {
- case 0:
- /* normal mode */
- s->imr = val;
- pic_update_irq();
- break;
- case 1:
- s->irq_base = val & 0xf8;
- s->init_state = 2;
- break;
- case 2:
- if (s->init4) {
- s->init_state = 3;
- } else {
- s->init_state = 0;
- }
- break;
- case 3:
- s->auto_eoi = (val >> 1) & 1;
- s->init_state = 0;
- break;
- }
- }
+ qemu_put_mouse_event_opaque = opaque;
+ qemu_put_mouse_event = func;
+ qemu_put_mouse_event_absolute = absolute;
}
-static uint32_t pic_poll_read (PicState *s, uint32_t addr1)
+void kbd_put_keycode(int keycode)
{
- int ret;
-
- ret = pic_get_irq(s);
- if (ret >= 0) {
- if (addr1 >> 7) {
- pics[0].isr &= ~(1 << 2);
- pics[0].irr &= ~(1 << 2);
- }
- s->irr &= ~(1 << ret);
- s->isr &= ~(1 << ret);
- if (addr1 >> 7 || ret != 2)
- pic_update_irq();
- } else {
- ret = 0x07;
- pic_update_irq();
+ if (qemu_put_kbd_event) {
+ qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
}
-
- return ret;
}
-uint32_t pic_ioport_read(CPUState *env, uint32_t addr1)
+void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
{
- PicState *s;
- unsigned int addr;
- int ret;
-
- addr = addr1;
- s = &pics[addr >> 7];
- addr &= 1;
- if (s->poll == 1) {
- ret = pic_poll_read(s, addr1);
- s->poll = 0;
- } else {
- if (addr == 0) {
- if (s->read_reg_select)
- ret = s->isr;
- else
- ret = s->irr;
- } else {
- ret = s->imr;
+ if (qemu_put_mouse_event) {
+ qemu_put_mouse_event(qemu_put_mouse_event_opaque,
+ dx, dy, dz, buttons_state);
}
- }
-#ifdef DEBUG_PIC
- printf("pic_read: addr=0x%02x val=0x%02x\n", addr1, ret);
-#endif
- return ret;
-}
-
-/* memory mapped interrupt status */
-uint32_t pic_intack_read(CPUState *env)
-{
- int ret;
-
- ret = pic_poll_read(&pics[0], 0x00);
- if (ret == 2)
- ret = pic_poll_read(&pics[1], 0x80) + 8;
- /* Prepare for ISR read */
- pics[0].read_reg_select = 1;
-
- return ret;
}
-void pic_init(void)
+int kbd_mouse_is_absolute(void)
{
-#if defined (TARGET_I386) || defined (TARGET_PPC)
- register_ioport_write(0x20, 2, pic_ioport_write, 1);
- register_ioport_read(0x20, 2, pic_ioport_read, 1);
- register_ioport_write(0xa0, 2, pic_ioport_write, 1);
- register_ioport_read(0xa0, 2, pic_ioport_read, 1);
-#endif
+ return qemu_put_mouse_event_absolute;
}
/***********************************************************/
-/* 8253 PIT emulation */
-
-#define PIT_FREQ 1193182
-
-#define RW_STATE_LSB 0
-#define RW_STATE_MSB 1
-#define RW_STATE_WORD0 2
-#define RW_STATE_WORD1 3
-#define RW_STATE_LATCHED_WORD0 4
-#define RW_STATE_LATCHED_WORD1 5
-
-typedef struct PITChannelState {
- int count; /* can be 65536 */
- uint16_t latched_count;
- uint8_t rw_state;
- uint8_t mode;
- uint8_t bcd; /* not supported */
- uint8_t gate; /* timer start */
- int64_t count_load_time;
- int64_t count_last_edge_check_time;
-} PITChannelState;
-
-PITChannelState pit_channels[3];
-int speaker_data_on;
-int dummy_refresh_clock;
-int pit_min_timer_count = 0;
-
+/* timers */
#if defined(__powerpc__)
int64_t cpu_get_real_ticks(void)
{
+#ifdef _WIN32
+ LARGE_INTEGER ti;
+ QueryPerformanceCounter(&ti);
+ return ti.QuadPart;
+#else
int64_t val;
- asm("rdtsc" : "=A" (val));
+ asm volatile ("rdtsc" : "=A" (val));
return val;
-}
-
-#else
-#error unsupported CPU
#endif
+}
-static int64_t cpu_ticks_offset;
-static int64_t cpu_ticks_last;
+#elif defined(__x86_64__)
-int64_t cpu_get_ticks(void)
+int64_t cpu_get_real_ticks(void)
+{
+ uint32_t low,high;
+ int64_t val;
+ asm volatile("rdtsc" : "=a" (low), "=d" (high));
+ val = high;
+ val <<= 32;
+ val |= low;
+ return val;
+}
+
+#elif defined(__ia64)
+
+int64_t cpu_get_real_ticks(void)
+{
+ int64_t val;
+ asm volatile ("mov %0 = ar.itc" : "=r"(val) :: "memory");
+ return val;
+}
+
+#elif defined(__s390__)
+
+int64_t cpu_get_real_ticks(void)
+{
+ int64_t val;
+ asm volatile("stck 0(%1)" : "=m" (val) : "a" (&val) : "cc");
+ return val;
+}
+
+#else
+#error unsupported CPU
+#endif
+
+static int64_t cpu_ticks_prev;
+static int64_t cpu_ticks_offset;
+static int cpu_ticks_enabled;
+
+static inline int64_t cpu_get_ticks(void)
{
- return cpu_get_real_ticks() + cpu_ticks_offset;
+ if (!cpu_ticks_enabled) {
+ return cpu_ticks_offset;
+ } else {
+ int64_t ticks;
+ ticks = cpu_get_real_ticks();
+ if (cpu_ticks_prev > ticks) {
+ /* Note: non increasing ticks may happen if the host uses
+ software suspend */
+ cpu_ticks_offset += cpu_ticks_prev - ticks;
+ }
+ cpu_ticks_prev = ticks;
+ return ticks + cpu_ticks_offset;
+ }
}
/* enable cpu_get_ticks() */
void cpu_enable_ticks(void)
{
- cpu_ticks_offset = cpu_ticks_last - cpu_get_real_ticks();
+ if (!cpu_ticks_enabled) {
+ cpu_ticks_offset -= cpu_get_real_ticks();
+ cpu_ticks_enabled = 1;
+ }
}
/* disable cpu_get_ticks() : the clock is stopped. You must not call
cpu_get_ticks() after that. */
void cpu_disable_ticks(void)
{
- cpu_ticks_last = cpu_get_ticks();
+ if (cpu_ticks_enabled) {
+ cpu_ticks_offset = cpu_get_ticks();
+ cpu_ticks_enabled = 0;
+ }
+}
+
+#ifdef _WIN32
+void cpu_calibrate_ticks(void)
+{
+ LARGE_INTEGER freq;
+ int ret;
+
+ ret = QueryPerformanceFrequency(&freq);
+ if (ret == 0) {
+ fprintf(stderr, "Could not calibrate ticks\n");
+ exit(1);
+ }
+ ticks_per_sec = freq.QuadPart;
}
-int64_t get_clock(void)
+#else
+static int64_t get_clock(void)
{
struct timeval tv;
gettimeofday(&tv, NULL);
int64_t usec, ticks;
usec = get_clock();
- ticks = cpu_get_ticks();
+ ticks = cpu_get_real_ticks();
usleep(50 * 1000);
usec = get_clock() - usec;
- ticks = cpu_get_ticks() - ticks;
+ ticks = cpu_get_real_ticks() - ticks;
ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec;
}
+#endif /* !_WIN32 */
/* compute with 96 bit intermediate result: (a*b)/c */
-static uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
+uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
{
union {
uint64_t ll;
return res.ll;
}
-static int pit_get_count(PITChannelState *s)
-{
- uint64_t d;
- int counter;
+#define QEMU_TIMER_REALTIME 0
+#define QEMU_TIMER_VIRTUAL 1
- d = muldiv64(cpu_get_ticks() - s->count_load_time, PIT_FREQ, ticks_per_sec);
- switch(s->mode) {
- case 0:
- case 1:
- case 4:
- case 5:
- counter = (s->count - d) & 0xffff;
- break;
- case 3:
- /* XXX: may be incorrect for odd counts */
- counter = s->count - ((2 * d) % s->count);
- break;
- default:
- counter = s->count - (d % s->count);
- break;
- }
- return counter;
+struct QEMUClock {
+ int type;
+ /* XXX: add frequency */
+};
+
+struct QEMUTimer {
+ QEMUClock *clock;
+ int64_t expire_time;
+ QEMUTimerCB *cb;
+ void *opaque;
+ struct QEMUTimer *next;
+};
+
+QEMUClock *rt_clock;
+QEMUClock *vm_clock;
+
+static QEMUTimer *active_timers[2];
+#ifdef _WIN32
+static MMRESULT timerID;
+static HANDLE host_alarm = NULL;
+static unsigned int period = 1;
+#else
+/* frequency of the times() clock tick */
+static int timer_freq;
+#endif
+
+QEMUClock *qemu_new_clock(int type)
+{
+ QEMUClock *clock;
+ clock = qemu_mallocz(sizeof(QEMUClock));
+ if (!clock)
+ return NULL;
+ clock->type = type;
+ return clock;
}
-/* get pit output bit */
-static int pit_get_out(PITChannelState *s)
+QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
{
- uint64_t d;
- int out;
+ QEMUTimer *ts;
- d = muldiv64(cpu_get_ticks() - s->count_load_time, PIT_FREQ, ticks_per_sec);
- switch(s->mode) {
- default:
- case 0:
- out = (d >= s->count);
- break;
- case 1:
- out = (d < s->count);
- break;
- case 2:
- if ((d % s->count) == 0 && d != 0)
- out = 1;
- else
- out = 0;
- break;
- case 3:
- out = (d % s->count) < ((s->count + 1) >> 1);
- break;
- case 4:
- case 5:
- out = (d == s->count);
- break;
- }
- return out;
+ ts = qemu_mallocz(sizeof(QEMUTimer));
+ ts->clock = clock;
+ ts->cb = cb;
+ ts->opaque = opaque;
+ return ts;
}
-/* get the number of 0 to 1 transitions we had since we call this
- function */
-/* XXX: maybe better to use ticks precision to avoid getting edges
- twice if checks are done at very small intervals */
-static int pit_get_out_edges(PITChannelState *s)
+void qemu_free_timer(QEMUTimer *ts)
{
- uint64_t d1, d2;
- int64_t ticks;
- int ret, v;
+ qemu_free(ts);
+}
- ticks = cpu_get_ticks();
- d1 = muldiv64(s->count_last_edge_check_time - s->count_load_time,
- PIT_FREQ, ticks_per_sec);
- d2 = muldiv64(ticks - s->count_load_time,
- PIT_FREQ, ticks_per_sec);
- s->count_last_edge_check_time = ticks;
- switch(s->mode) {
- default:
- case 0:
- if (d1 < s->count && d2 >= s->count)
- ret = 1;
- else
- ret = 0;
- break;
- case 1:
- ret = 0;
- break;
- case 2:
- d1 /= s->count;
- d2 /= s->count;
- ret = d2 - d1;
- break;
- case 3:
- v = s->count - ((s->count + 1) >> 1);
- d1 = (d1 + v) / s->count;
- d2 = (d2 + v) / s->count;
- ret = d2 - d1;
- break;
- case 4:
- case 5:
- if (d1 < s->count && d2 >= s->count)
- ret = 1;
- else
- ret = 0;
- break;
+/* stop a timer, but do not dealloc it */
+void qemu_del_timer(QEMUTimer *ts)
+{
+ QEMUTimer **pt, *t;
+
+ /* NOTE: this code must be signal safe because
+ qemu_timer_expired() can be called from a signal. */
+ pt = &active_timers[ts->clock->type];
+ for(;;) {
+ t = *pt;
+ if (!t)
+ break;
+ if (t == ts) {
+ *pt = t->next;
+ break;
+ }
+ pt = &t->next;
}
- return ret;
}
-/* val must be 0 or 1 */
-static inline void pit_set_gate(PITChannelState *s, int val)
+/* modify the current timer so that it will be fired when current_time
+ >= expire_time. The corresponding callback will be called. */
+void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
{
- switch(s->mode) {
- default:
- case 0:
- case 4:
- /* XXX: just disable/enable counting */
- break;
- case 1:
- case 5:
- if (s->gate < val) {
- /* restart counting on rising edge */
- s->count_load_time = cpu_get_ticks();
- s->count_last_edge_check_time = s->count_load_time;
- }
- break;
- case 2:
- case 3:
- if (s->gate < val) {
- /* restart counting on rising edge */
- s->count_load_time = cpu_get_ticks();
- s->count_last_edge_check_time = s->count_load_time;
- }
- /* XXX: disable/enable counting */
- break;
+ QEMUTimer **pt, *t;
+
+ qemu_del_timer(ts);
+
+ /* add the timer in the sorted list */
+ /* NOTE: this code must be signal safe because
+ qemu_timer_expired() can be called from a signal. */
+ pt = &active_timers[ts->clock->type];
+ for(;;) {
+ t = *pt;
+ if (!t)
+ break;
+ if (t->expire_time > expire_time)
+ break;
+ pt = &t->next;
}
- s->gate = val;
+ ts->expire_time = expire_time;
+ ts->next = *pt;
+ *pt = ts;
}
-static inline void pit_load_count(PITChannelState *s, int val)
+int qemu_timer_pending(QEMUTimer *ts)
{
- if (val == 0)
- val = 0x10000;
- s->count_load_time = cpu_get_ticks();
- s->count_last_edge_check_time = s->count_load_time;
- s->count = val;
- if (s == &pit_channels[0] && val <= pit_min_timer_count) {
- fprintf(stderr,
- "\nWARNING: qemu: on your system, accurate timer emulation is impossible if its frequency is more than %d Hz. If using a 2.5.xx Linux kernel, you must patch asm/param.h to change HZ from 1000 to 100.\n\n",
- PIT_FREQ / pit_min_timer_count);
+ QEMUTimer *t;
+ for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
+ if (t == ts)
+ return 1;
}
+ return 0;
}
-void pit_ioport_write(CPUState *env, uint32_t addr, uint32_t val)
+static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
{
- int channel, access;
- PITChannelState *s;
+ if (!timer_head)
+ return 0;
+ return (timer_head->expire_time <= current_time);
+}
- addr &= 3;
- if (addr == 3) {
- channel = val >> 6;
- if (channel == 3)
- return;
- s = &pit_channels[channel];
- access = (val >> 4) & 3;
- switch(access) {
- case 0:
- s->latched_count = pit_get_count(s);
- s->rw_state = RW_STATE_LATCHED_WORD0;
- break;
- default:
- s->mode = (val >> 1) & 7;
- s->bcd = val & 1;
- s->rw_state = access - 1 + RW_STATE_LSB;
- break;
- }
- } else {
- s = &pit_channels[addr];
- switch(s->rw_state) {
- case RW_STATE_LSB:
- pit_load_count(s, val);
- break;
- case RW_STATE_MSB:
- pit_load_count(s, val << 8);
+static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
+{
+ QEMUTimer *ts;
+
+ for(;;) {
+ ts = *ptimer_head;
+ if (!ts || ts->expire_time > current_time)
break;
- case RW_STATE_WORD0:
- case RW_STATE_WORD1:
- if (s->rw_state & 1) {
- pit_load_count(s, (s->latched_count & 0xff) | (val << 8));
+ /* remove timer from the list before calling the callback */
+ *ptimer_head = ts->next;
+ ts->next = NULL;
+
+ /* run the callback (the timer list can be modified) */
+ ts->cb(ts->opaque);
+ }
+}
+
+int64_t qemu_get_clock(QEMUClock *clock)
+{
+ switch(clock->type) {
+ case QEMU_TIMER_REALTIME:
+#ifdef _WIN32
+ return GetTickCount();
+#else
+ {
+ struct tms tp;
+
+ /* Note that using gettimeofday() is not a good solution
+ for timers because its value change when the date is
+ modified. */
+ if (timer_freq == 100) {
+ return times(&tp) * 10;
} else {
- s->latched_count = val;
+ return ((int64_t)times(&tp) * 1000) / timer_freq;
}
- s->rw_state ^= 1;
- break;
}
+#endif
+ default:
+ case QEMU_TIMER_VIRTUAL:
+ return cpu_get_ticks();
}
}
-uint32_t pit_ioport_read(CPUState *env, uint32_t addr)
+/* save a timer */
+void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
{
- int ret, count;
- PITChannelState *s;
-
- addr &= 3;
- s = &pit_channels[addr];
- switch(s->rw_state) {
- case RW_STATE_LSB:
- case RW_STATE_MSB:
- case RW_STATE_WORD0:
- case RW_STATE_WORD1:
- count = pit_get_count(s);
- if (s->rw_state & 1)
- ret = (count >> 8) & 0xff;
- else
- ret = count & 0xff;
- if (s->rw_state & 2)
- s->rw_state ^= 1;
- break;
- default:
- case RW_STATE_LATCHED_WORD0:
- case RW_STATE_LATCHED_WORD1:
- if (s->rw_state & 1)
- ret = s->latched_count >> 8;
- else
- ret = s->latched_count & 0xff;
- s->rw_state ^= 1;
- break;
+ uint64_t expire_time;
+
+ if (qemu_timer_pending(ts)) {
+ expire_time = ts->expire_time;
+ } else {
+ expire_time = -1;
}
- return ret;
+ qemu_put_be64(f, expire_time);
}
-#if defined (TARGET_I386)
-void speaker_ioport_write(CPUState *env, uint32_t addr, uint32_t val)
+void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
{
- speaker_data_on = (val >> 1) & 1;
- pit_set_gate(&pit_channels[2], val & 1);
+ uint64_t expire_time;
+
+ expire_time = qemu_get_be64(f);
+ if (expire_time != -1) {
+ qemu_mod_timer(ts, expire_time);
+ } else {
+ qemu_del_timer(ts);
+ }
}
-uint32_t speaker_ioport_read(CPUState *env, uint32_t addr)
+static void timer_save(QEMUFile *f, void *opaque)
{
- int out;
- out = pit_get_out(&pit_channels[2]);
- dummy_refresh_clock ^= 1;
- return (speaker_data_on << 1) | pit_channels[2].gate | (out << 5) |
- (dummy_refresh_clock << 4);
+ if (cpu_ticks_enabled) {
+ hw_error("cannot save state if virtual timers are running");
+ }
+ qemu_put_be64s(f, &cpu_ticks_offset);
+ qemu_put_be64s(f, &ticks_per_sec);
}
-#endif
-void pit_init(void)
+static int timer_load(QEMUFile *f, void *opaque, int version_id)
{
- PITChannelState *s;
- int i;
-
- cpu_calibrate_ticks();
-
- for(i = 0;i < 3; i++) {
- s = &pit_channels[i];
- s->mode = 3;
- s->gate = (i != 2);
- pit_load_count(s, 0);
+ if (version_id != 1)
+ return -EINVAL;
+ if (cpu_ticks_enabled) {
+ return -EINVAL;
}
+ qemu_get_be64s(f, &cpu_ticks_offset);
+ qemu_get_be64s(f, &ticks_per_sec);
+ return 0;
+}
- register_ioport_write(0x40, 4, pit_ioport_write, 1);
- register_ioport_read(0x40, 3, pit_ioport_read, 1);
-
-#if defined (TARGET_I386)
- register_ioport_read(0x61, 1, speaker_ioport_read, 1);
- register_ioport_write(0x61, 1, speaker_ioport_write, 1);
+#ifdef _WIN32
+void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
+ DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
+#else
+static void host_alarm_handler(int host_signum)
+#endif
+{
+#if 0
+#define DISP_FREQ 1000
+ {
+ static int64_t delta_min = INT64_MAX;
+ static int64_t delta_max, delta_cum, last_clock, delta, ti;
+ static int count;
+ ti = qemu_get_clock(vm_clock);
+ if (last_clock != 0) {
+ delta = ti - last_clock;
+ if (delta < delta_min)
+ delta_min = delta;
+ if (delta > delta_max)
+ delta_max = delta;
+ delta_cum += delta;
+ if (++count == DISP_FREQ) {
+ printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n",
+ muldiv64(delta_min, 1000000, ticks_per_sec),
+ muldiv64(delta_max, 1000000, ticks_per_sec),
+ muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
+ (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
+ count = 0;
+ delta_min = INT64_MAX;
+ delta_max = 0;
+ delta_cum = 0;
+ }
+ }
+ last_clock = ti;
+ }
#endif
+ if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
+ qemu_get_clock(vm_clock)) ||
+ qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
+ qemu_get_clock(rt_clock))) {
+#ifdef _WIN32
+ SetEvent(host_alarm);
+#endif
+ CPUState *env = cpu_single_env;
+ if (env) {
+ /* stop the currently executing cpu because a timer occured */
+ cpu_interrupt(env, CPU_INTERRUPT_EXIT);
+#ifdef USE_KQEMU
+ if (env->kqemu_enabled) {
+ kqemu_cpu_interrupt(env);
+ }
+#endif
+ }
+ }
}
-/***********************************************************/
-/* serial port emulation */
-
-#define UART_IRQ 4
-
-#define UART_LCR_DLAB 0x80 /* Divisor latch access bit */
+#ifndef _WIN32
-#define UART_IER_MSI 0x08 /* Enable Modem status interrupt */
-#define UART_IER_RLSI 0x04 /* Enable receiver line status interrupt */
-#define UART_IER_THRI 0x02 /* Enable Transmitter holding register int. */
-#define UART_IER_RDI 0x01 /* Enable receiver data interrupt */
+#if defined(__linux__)
-#define UART_IIR_NO_INT 0x01 /* No interrupts pending */
-#define UART_IIR_ID 0x06 /* Mask for the interrupt ID */
+#define RTC_FREQ 1024
-#define UART_IIR_MSI 0x00 /* Modem status interrupt */
-#define UART_IIR_THRI 0x02 /* Transmitter holding register empty */
-#define UART_IIR_RDI 0x04 /* Receiver data interrupt */
-#define UART_IIR_RLSI 0x06 /* Receiver line status interrupt */
+static int rtc_fd;
-/*
- * These are the definitions for the Modem Control Register
- */
-#define UART_MCR_LOOP 0x10 /* Enable loopback test mode */
-#define UART_MCR_OUT2 0x08 /* Out2 complement */
-#define UART_MCR_OUT1 0x04 /* Out1 complement */
-#define UART_MCR_RTS 0x02 /* RTS complement */
-#define UART_MCR_DTR 0x01 /* DTR complement */
-
-/*
- * These are the definitions for the Modem Status Register
- */
-#define UART_MSR_DCD 0x80 /* Data Carrier Detect */
-#define UART_MSR_RI 0x40 /* Ring Indicator */
-#define UART_MSR_DSR 0x20 /* Data Set Ready */
-#define UART_MSR_CTS 0x10 /* Clear to Send */
-#define UART_MSR_DDCD 0x08 /* Delta DCD */
-#define UART_MSR_TERI 0x04 /* Trailing edge ring indicator */
-#define UART_MSR_DDSR 0x02 /* Delta DSR */
-#define UART_MSR_DCTS 0x01 /* Delta CTS */
-#define UART_MSR_ANY_DELTA 0x0F /* Any of the delta bits! */
-
-#define UART_LSR_TEMT 0x40 /* Transmitter empty */
-#define UART_LSR_THRE 0x20 /* Transmit-hold-register empty */
-#define UART_LSR_BI 0x10 /* Break interrupt indicator */
-#define UART_LSR_FE 0x08 /* Frame error indicator */
-#define UART_LSR_PE 0x04 /* Parity error indicator */
-#define UART_LSR_OE 0x02 /* Overrun error indicator */
-#define UART_LSR_DR 0x01 /* Receiver data ready */
-
-typedef struct SerialState {
- uint8_t divider;
- uint8_t rbr; /* receive register */
- uint8_t ier;
- uint8_t iir; /* read only */
- uint8_t lcr;
- uint8_t mcr;
- uint8_t lsr; /* read only */
- uint8_t msr;
- uint8_t scr;
- /* NOTE: this hidden state is necessary for tx irq generation as
- it can be reset while reading iir */
- int thr_ipending;
-} SerialState;
-
-SerialState serial_ports[1];
-
-void serial_update_irq(void)
-{
- SerialState *s = &serial_ports[0];
-
- if ((s->lsr & UART_LSR_DR) && (s->ier & UART_IER_RDI)) {
- s->iir = UART_IIR_RDI;
- } else if (s->thr_ipending && (s->ier & UART_IER_THRI)) {
- s->iir = UART_IIR_THRI;
- } else {
- s->iir = UART_IIR_NO_INT;
+static int start_rtc_timer(void)
+{
+ rtc_fd = open("/dev/rtc", O_RDONLY);
+ if (rtc_fd < 0)
+ return -1;
+ if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
+ fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
+ "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
+ "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
+ goto fail;
}
- if (s->iir != UART_IIR_NO_INT) {
- pic_set_irq(UART_IRQ, 1);
- } else {
- pic_set_irq(UART_IRQ, 0);
+ if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
+ fail:
+ close(rtc_fd);
+ return -1;
}
+ pit_min_timer_count = PIT_FREQ / RTC_FREQ;
+ return 0;
}
-void serial_ioport_write(CPUState *env, uint32_t addr, uint32_t val)
+#else
+
+static int start_rtc_timer(void)
{
- SerialState *s = &serial_ports[0];
- unsigned char ch;
- int ret;
-
- addr &= 7;
-#ifdef DEBUG_SERIAL
- printf("serial: write addr=0x%02x val=0x%02x\n", addr, val);
-#endif
- switch(addr) {
- default:
- case 0:
- if (s->lcr & UART_LCR_DLAB) {
- s->divider = (s->divider & 0xff00) | val;
- } else {
- s->thr_ipending = 0;
- s->lsr &= ~UART_LSR_THRE;
- serial_update_irq();
-
- ch = val;
- do {
- ret = write(1, &ch, 1);
- } while (ret != 1);
- s->thr_ipending = 1;
- s->lsr |= UART_LSR_THRE;
- s->lsr |= UART_LSR_TEMT;
- serial_update_irq();
- }
- break;
- case 1:
- if (s->lcr & UART_LCR_DLAB) {
- s->divider = (s->divider & 0x00ff) | (val << 8);
- } else {
- s->ier = val;
- serial_update_irq();
- }
- break;
- case 2:
- break;
- case 3:
- s->lcr = val;
- break;
- case 4:
- s->mcr = val;
- break;
- case 5:
- break;
- case 6:
- s->msr = val;
- break;
- case 7:
- s->scr = val;
- break;
- }
+ return -1;
}
-uint32_t serial_ioport_read(CPUState *env, uint32_t addr)
+#endif /* !defined(__linux__) */
+
+#endif /* !defined(_WIN32) */
+
+static void init_timers(void)
{
- SerialState *s = &serial_ports[0];
- uint32_t ret;
+ rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
+ vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
- addr &= 7;
- switch(addr) {
- default:
- case 0:
- if (s->lcr & UART_LCR_DLAB) {
- ret = s->divider & 0xff;
- } else {
- ret = s->rbr;
- s->lsr &= ~(UART_LSR_DR | UART_LSR_BI);
- serial_update_irq();
- }
- break;
- case 1:
- if (s->lcr & UART_LCR_DLAB) {
- ret = (s->divider >> 8) & 0xff;
- } else {
- ret = s->ier;
+#ifdef _WIN32
+ {
+ int count=0;
+ TIMECAPS tc;
+
+ ZeroMemory(&tc, sizeof(TIMECAPS));
+ timeGetDevCaps(&tc, sizeof(TIMECAPS));
+ if (period < tc.wPeriodMin)
+ period = tc.wPeriodMin;
+ timeBeginPeriod(period);
+ timerID = timeSetEvent(1, // interval (ms)
+ period, // resolution
+ host_alarm_handler, // function
+ (DWORD)&count, // user parameter
+ TIME_PERIODIC | TIME_CALLBACK_FUNCTION);
+ if( !timerID ) {
+ perror("failed timer alarm");
+ exit(1);
+ }
+ host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL);
+ if (!host_alarm) {
+ perror("failed CreateEvent");
+ exit(1);
}
- break;
- case 2:
- ret = s->iir;
- /* reset THR pending bit */
- if ((ret & 0x7) == UART_IIR_THRI)
- s->thr_ipending = 0;
- serial_update_irq();
- break;
- case 3:
- ret = s->lcr;
- break;
- case 4:
- ret = s->mcr;
- break;
- case 5:
- ret = s->lsr;
- break;
- case 6:
- if (s->mcr & UART_MCR_LOOP) {
- /* in loopback, the modem output pins are connected to the
- inputs */
- ret = (s->mcr & 0x0c) << 4;
- ret |= (s->mcr & 0x02) << 3;
- ret |= (s->mcr & 0x01) << 5;
- } else {
- ret = s->msr;
+ ResetEvent(host_alarm);
+ }
+ pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000;
+#else
+ {
+ struct sigaction act;
+ struct itimerval itv;
+
+ /* get times() syscall frequency */
+ timer_freq = sysconf(_SC_CLK_TCK);
+
+ /* timer signal */
+ sigfillset(&act.sa_mask);
+ act.sa_flags = 0;
+#if defined (TARGET_I386) && defined(USE_CODE_COPY)
+ act.sa_flags |= SA_ONSTACK;
+#endif
+ act.sa_handler = host_alarm_handler;
+ sigaction(SIGALRM, &act, NULL);
+
+ itv.it_interval.tv_sec = 0;
+ itv.it_interval.tv_usec = 999; /* for i386 kernel 2.6 to get 1 ms */
+ itv.it_value.tv_sec = 0;
+ itv.it_value.tv_usec = 10 * 1000;
+ setitimer(ITIMER_REAL, &itv, NULL);
+ /* we probe the tick duration of the kernel to inform the user if
+ the emulated kernel requested a too high timer frequency */
+ getitimer(ITIMER_REAL, &itv);
+
+#if defined(__linux__)
+ /* XXX: force /dev/rtc usage because even 2.6 kernels may not
+ have timers with 1 ms resolution. The correct solution will
+ be to use the POSIX real time timers available in recent
+ 2.6 kernels */
+ if (itv.it_interval.tv_usec > 1000 || 1) {
+ /* try to use /dev/rtc to have a faster timer */
+ if (start_rtc_timer() < 0)
+ goto use_itimer;
+ /* disable itimer */
+ itv.it_interval.tv_sec = 0;
+ itv.it_interval.tv_usec = 0;
+ itv.it_value.tv_sec = 0;
+ itv.it_value.tv_usec = 0;
+ setitimer(ITIMER_REAL, &itv, NULL);
+
+ /* use the RTC */
+ sigaction(SIGIO, &act, NULL);
+ fcntl(rtc_fd, F_SETFL, O_ASYNC);
+ fcntl(rtc_fd, F_SETOWN, getpid());
+ } else
+#endif /* defined(__linux__) */
+ {
+ use_itimer:
+ pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec *
+ PIT_FREQ) / 1000000;
}
- break;
- case 7:
- ret = s->scr;
- break;
}
-#ifdef DEBUG_SERIAL
- printf("serial: read addr=0x%02x val=0x%02x\n", addr, ret);
#endif
- return ret;
}
-#define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
-static int term_got_escape, term_command;
-static unsigned char term_cmd_buf[128];
-
-typedef struct term_cmd_t {
- const unsigned char *name;
- void (*handler)(unsigned char *params);
-} term_cmd_t;
-
-static void do_change_cdrom (unsigned char *params);
-static void do_change_fd0 (unsigned char *params);
-static void do_change_fd1 (unsigned char *params);
-
-static term_cmd_t term_cmds[] = {
- { "changecd", &do_change_cdrom, },
- { "changefd0", &do_change_fd0, },
- { "changefd1", &do_change_fd1, },
- { NULL, NULL, },
-};
+void quit_timers(void)
+{
+#ifdef _WIN32
+ timeKillEvent(timerID);
+ timeEndPeriod(period);
+ if (host_alarm) {
+ CloseHandle(host_alarm);
+ host_alarm = NULL;
+ }
+#endif
+}
-void term_print_help(void)
+/***********************************************************/
+/* character device */
+
+int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
{
- printf("\n"
- "C-a h print this help\n"
- "C-a x exit emulatior\n"
- "C-a d switch on/off debug log\n"
- "C-a s save disk data back to file (if -snapshot)\n"
- "C-a b send break (magic sysrq)\n"
- "C-a c send qemu internal command\n"
- "C-a C-a send C-a\n"
- );
+ return s->chr_write(s, buf, len);
}
-static void do_change_cdrom (unsigned char *params)
+int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg)
{
- /* Dunno how to do it... */
+ if (!s->chr_ioctl)
+ return -ENOTSUP;
+ return s->chr_ioctl(s, cmd, arg);
}
-static void do_change_fd (int fd, unsigned char *params)
+void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
{
- unsigned char *name_start, *name_end, *ros;
- int ro;
+ char buf[4096];
+ va_list ap;
+ va_start(ap, fmt);
+ vsnprintf(buf, sizeof(buf), fmt, ap);
+ qemu_chr_write(s, buf, strlen(buf));
+ va_end(ap);
+}
- for (name_start = params;
- isspace(*name_start); name_start++)
- continue;
- if (*name_start == '\0')
- return;
- for (name_end = name_start;
- !isspace(*name_end) && *name_end != '\0'; name_end++)
- continue;
- for (ros = name_end + 1; isspace(*ros); ros++)
- continue;
- if (ros[0] == 'r' && ros[1] == 'o')
- ro = 1;
- else
- ro = 0;
- *name_end = '\0';
- printf("Change fd %d to %s (%s)\n", fd, name_start, params);
- fdctrl_disk_change(fd, name_start, ro);
+void qemu_chr_send_event(CharDriverState *s, int event)
+{
+ if (s->chr_send_event)
+ s->chr_send_event(s, event);
}
-static void do_change_fd0 (unsigned char *params)
+void qemu_chr_add_read_handler(CharDriverState *s,
+ IOCanRWHandler *fd_can_read,
+ IOReadHandler *fd_read, void *opaque)
{
- do_change_fd(0, params);
+ s->chr_add_read_handler(s, fd_can_read, fd_read, opaque);
+}
+
+void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event)
+{
+ s->chr_event = chr_event;
}
-static void do_change_fd1 (unsigned char *params)
+static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
{
- do_change_fd(1, params);
+ return len;
}
-static void serial_treat_command ()
+static void null_chr_add_read_handler(CharDriverState *chr,
+ IOCanRWHandler *fd_can_read,
+ IOReadHandler *fd_read, void *opaque)
{
- unsigned char *cmd_start, *cmd_end;
- int i;
+}
- for (cmd_start = term_cmd_buf; isspace(*cmd_start); cmd_start++)
- continue;
- for (cmd_end = cmd_start;
- !isspace(*cmd_end) && *cmd_end != '\0'; cmd_end++)
- continue;
- for (i = 0; term_cmds[i].name != NULL; i++) {
- if (strlen(term_cmds[i].name) == (cmd_end - cmd_start) &&
- memcmp(term_cmds[i].name, cmd_start, cmd_end - cmd_start) == 0) {
- (*term_cmds[i].handler)(cmd_end + 1);
- return;
- }
- }
- *cmd_end = '\0';
- printf("Unknown term command: %s\n", cmd_start);
+CharDriverState *qemu_chr_open_null(void)
+{
+ CharDriverState *chr;
+
+ chr = qemu_mallocz(sizeof(CharDriverState));
+ if (!chr)
+ return NULL;
+ chr->chr_write = null_chr_write;
+ chr->chr_add_read_handler = null_chr_add_read_handler;
+ return chr;
}
-extern FILE *logfile;
+#ifdef _WIN32
-/* called when a char is received */
-void serial_received_byte(SerialState *s, int ch)
+static void socket_cleanup(void)
{
- if (term_command) {
- if (ch == '\n' || ch == '\r' || term_command == 127) {
- printf("\n");
- serial_treat_command();
- term_command = 0;
- } else {
- if (ch == 0x7F || ch == 0x08) {
- if (term_command > 1) {
- term_cmd_buf[--term_command - 1] = '\0';
- printf("\r "
- " ");
- printf("\r> %s", term_cmd_buf);
- }
- } else if (ch > 0x1f) {
- term_cmd_buf[term_command++ - 1] = ch;
- term_cmd_buf[term_command - 1] = '\0';
- printf("\r> %s", term_cmd_buf);
+ WSACleanup();
+}
+
+static int socket_init(void)
+{
+ WSADATA Data;
+ int ret, err;
+
+ ret = WSAStartup(MAKEWORD(2,2), &Data);
+ if (ret != 0) {
+ err = WSAGetLastError();
+ fprintf(stderr, "WSAStartup: %d\n", err);
+ return -1;
+ }
+ atexit(socket_cleanup);
+ return 0;
+}
+
+static int send_all(int fd, const uint8_t *buf, int len1)
+{
+ int ret, len;
+
+ len = len1;
+ while (len > 0) {
+ ret = send(fd, buf, len, 0);
+ if (ret < 0) {
+ int errno;
+ errno = WSAGetLastError();
+ if (errno != WSAEWOULDBLOCK) {
+ return -1;
}
- fflush(stdout);
- }
- } else if (term_got_escape) {
- term_got_escape = 0;
- switch(ch) {
- case 'h':
- term_print_help();
- break;
- case 'x':
- exit(0);
- break;
- case 's':
- {
- int i;
- for (i = 0; i < MAX_DISKS; i++) {
- if (bs_table[i])
- bdrv_commit(bs_table[i]);
- }
- }
+ } else if (ret == 0) {
break;
- case 'b':
- /* send break */
- s->rbr = 0;
- s->lsr |= UART_LSR_BI | UART_LSR_DR;
- serial_update_irq();
- break;
- case 'c':
- printf("> ");
- fflush(stdout);
- term_command = 1;
- break;
- case TERM_ESCAPE:
- goto send_char;
+ } else {
+ buf += ret;
+ len -= ret;
}
- } else if (ch == TERM_ESCAPE) {
- term_got_escape = 1;
- } else {
- send_char:
- s->rbr = ch;
- s->lsr |= UART_LSR_DR;
- serial_update_irq();
}
+ return len1 - len;
}
-void serial_init(void)
+void socket_set_nonblock(int fd)
{
- SerialState *s = &serial_ports[0];
-
- s->lsr = UART_LSR_TEMT | UART_LSR_THRE;
- s->iir = UART_IIR_NO_INT;
-
-#if defined(TARGET_I386) || defined (TARGET_PPC)
- register_ioport_write(0x3f8, 8, serial_ioport_write, 1);
- register_ioport_read(0x3f8, 8, serial_ioport_read, 1);
-#endif
+ unsigned long opt = 1;
+ ioctlsocket(fd, FIONBIO, &opt);
}
-/***********************************************************/
-/* ne2000 emulation */
-
-#if defined (TARGET_I386)
-#define NE2000_IOPORT 0x300
-#define NE2000_IRQ 9
-
-#define MAX_ETH_FRAME_SIZE 1514
-
-#define E8390_CMD 0x00 /* The command register (for all pages) */
-/* Page 0 register offsets. */
-#define EN0_CLDALO 0x01 /* Low byte of current local dma addr RD */
-#define EN0_STARTPG 0x01 /* Starting page of ring bfr WR */
-#define EN0_CLDAHI 0x02 /* High byte of current local dma addr RD */
-#define EN0_STOPPG 0x02 /* Ending page +1 of ring bfr WR */
-#define EN0_BOUNDARY 0x03 /* Boundary page of ring bfr RD WR */
-#define EN0_TSR 0x04 /* Transmit status reg RD */
-#define EN0_TPSR 0x04 /* Transmit starting page WR */
-#define EN0_NCR 0x05 /* Number of collision reg RD */
-#define EN0_TCNTLO 0x05 /* Low byte of tx byte count WR */
-#define EN0_FIFO 0x06 /* FIFO RD */
-#define EN0_TCNTHI 0x06 /* High byte of tx byte count WR */
-#define EN0_ISR 0x07 /* Interrupt status reg RD WR */
-#define EN0_CRDALO 0x08 /* low byte of current remote dma address RD */
-#define EN0_RSARLO 0x08 /* Remote start address reg 0 */
-#define EN0_CRDAHI 0x09 /* high byte, current remote dma address RD */
-#define EN0_RSARHI 0x09 /* Remote start address reg 1 */
-#define EN0_RCNTLO 0x0a /* Remote byte count reg WR */
-#define EN0_RCNTHI 0x0b /* Remote byte count reg WR */
-#define EN0_RSR 0x0c /* rx status reg RD */
-#define EN0_RXCR 0x0c /* RX configuration reg WR */
-#define EN0_TXCR 0x0d /* TX configuration reg WR */
-#define EN0_COUNTER0 0x0d /* Rcv alignment error counter RD */
-#define EN0_DCFG 0x0e /* Data configuration reg WR */
-#define EN0_COUNTER1 0x0e /* Rcv CRC error counter RD */
-#define EN0_IMR 0x0f /* Interrupt mask reg WR */
-#define EN0_COUNTER2 0x0f /* Rcv missed frame error counter RD */
-
-#define EN1_PHYS 0x11
-#define EN1_CURPAG 0x17
-#define EN1_MULT 0x18
-
-/* Register accessed at EN_CMD, the 8390 base addr. */
-#define E8390_STOP 0x01 /* Stop and reset the chip */
-#define E8390_START 0x02 /* Start the chip, clear reset */
-#define E8390_TRANS 0x04 /* Transmit a frame */
-#define E8390_RREAD 0x08 /* Remote read */
-#define E8390_RWRITE 0x10 /* Remote write */
-#define E8390_NODMA 0x20 /* Remote DMA */
-#define E8390_PAGE0 0x00 /* Select page chip registers */
-#define E8390_PAGE1 0x40 /* using the two high-order bits */
-#define E8390_PAGE2 0x80 /* Page 3 is invalid. */
-
-/* Bits in EN0_ISR - Interrupt status register */
-#define ENISR_RX 0x01 /* Receiver, no error */
-#define ENISR_TX 0x02 /* Transmitter, no error */
-#define ENISR_RX_ERR 0x04 /* Receiver, with error */
-#define ENISR_TX_ERR 0x08 /* Transmitter, with error */
-#define ENISR_OVER 0x10 /* Receiver overwrote the ring */
-#define ENISR_COUNTERS 0x20 /* Counters need emptying */
-#define ENISR_RDC 0x40 /* remote dma complete */
-#define ENISR_RESET 0x80 /* Reset completed */
-#define ENISR_ALL 0x3f /* Interrupts we will enable */
-
-/* Bits in received packet status byte and EN0_RSR*/
-#define ENRSR_RXOK 0x01 /* Received a good packet */
-#define ENRSR_CRC 0x02 /* CRC error */
-#define ENRSR_FAE 0x04 /* frame alignment error */
-#define ENRSR_FO 0x08 /* FIFO overrun */
-#define ENRSR_MPA 0x10 /* missed pkt */
-#define ENRSR_PHY 0x20 /* physical/multicast address */
-#define ENRSR_DIS 0x40 /* receiver disable. set in monitor mode */
-#define ENRSR_DEF 0x80 /* deferring */
-
-/* Transmitted packet status, EN0_TSR. */
-#define ENTSR_PTX 0x01 /* Packet transmitted without error */
-#define ENTSR_ND 0x02 /* The transmit wasn't deferred. */
-#define ENTSR_COL 0x04 /* The transmit collided at least once. */
-#define ENTSR_ABT 0x08 /* The transmit collided 16 times, and was deferred. */
-#define ENTSR_CRS 0x10 /* The carrier sense was lost. */
-#define ENTSR_FU 0x20 /* A "FIFO underrun" occurred during transmit. */
-#define ENTSR_CDH 0x40 /* The collision detect "heartbeat" signal was lost. */
-#define ENTSR_OWC 0x80 /* There was an out-of-window collision. */
-
-#define NE2000_MEM_SIZE 32768
-
-typedef struct NE2000State {
- uint8_t cmd;
- uint32_t start;
- uint32_t stop;
- uint8_t boundary;
- uint8_t tsr;
- uint8_t tpsr;
- uint16_t tcnt;
- uint16_t rcnt;
- uint32_t rsar;
- uint8_t isr;
- uint8_t dcfg;
- uint8_t imr;
- uint8_t phys[6]; /* mac address */
- uint8_t curpag;
- uint8_t mult[8]; /* multicast mask array */
- uint8_t mem[NE2000_MEM_SIZE];
-} NE2000State;
-
-NE2000State ne2000_state;
-int net_fd = -1;
-char network_script[1024];
-
-void ne2000_reset(void)
-{
- NE2000State *s = &ne2000_state;
- int i;
+#else
- s->isr = ENISR_RESET;
- s->mem[0] = 0x52;
- s->mem[1] = 0x54;
- s->mem[2] = 0x00;
- s->mem[3] = 0x12;
- s->mem[4] = 0x34;
- s->mem[5] = 0x56;
- s->mem[14] = 0x57;
- s->mem[15] = 0x57;
+static int unix_write(int fd, const uint8_t *buf, int len1)
+{
+ int ret, len;
- /* duplicate prom data */
- for(i = 15;i >= 0; i--) {
- s->mem[2 * i] = s->mem[i];
- s->mem[2 * i + 1] = s->mem[i];
+ len = len1;
+ while (len > 0) {
+ ret = write(fd, buf, len);
+ if (ret < 0) {
+ if (errno != EINTR && errno != EAGAIN)
+ return -1;
+ } else if (ret == 0) {
+ break;
+ } else {
+ buf += ret;
+ len -= ret;
+ }
}
+ return len1 - len;
}
-void ne2000_update_irq(NE2000State *s)
+static inline int send_all(int fd, const uint8_t *buf, int len1)
{
- int isr;
- isr = s->isr & s->imr;
- if (isr)
- pic_set_irq(NE2000_IRQ, 1);
- else
- pic_set_irq(NE2000_IRQ, 0);
+ return unix_write(fd, buf, len1);
}
-int net_init(void)
+void socket_set_nonblock(int fd)
{
- struct ifreq ifr;
- int fd, ret, pid, status;
-
- fd = open("/dev/net/tun", O_RDWR);
- if (fd < 0) {
- fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
- return -1;
- }
- memset(&ifr, 0, sizeof(ifr));
- ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
- pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d");
- ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
- if (ret != 0) {
- fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
- close(fd);
- return -1;
- }
- printf("Connected to host network interface: %s\n", ifr.ifr_name);
fcntl(fd, F_SETFL, O_NONBLOCK);
- net_fd = fd;
+}
+#endif /* !_WIN32 */
- /* try to launch network init script */
- pid = fork();
- if (pid >= 0) {
- if (pid == 0) {
- execl(network_script, network_script, ifr.ifr_name, NULL);
- exit(1);
- }
- while (waitpid(pid, &status, 0) != pid);
- if (!WIFEXITED(status) ||
- WEXITSTATUS(status) != 0) {
- fprintf(stderr, "%s: could not launch network script for '%s'\n",
- network_script, ifr.ifr_name);
- }
- }
- return 0;
+#ifndef _WIN32
+
+typedef struct {
+ int fd_in, fd_out;
+ IOCanRWHandler *fd_can_read;
+ IOReadHandler *fd_read;
+ void *fd_opaque;
+ int max_size;
+} FDCharDriver;
+
+#define STDIO_MAX_CLIENTS 2
+
+static int stdio_nb_clients;
+static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
+
+static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
+{
+ FDCharDriver *s = chr->opaque;
+ return unix_write(s->fd_out, buf, len);
}
-void net_send_packet(NE2000State *s, const uint8_t *buf, int size)
+static int fd_chr_read_poll(void *opaque)
{
-#ifdef DEBUG_NE2000
- printf("NE2000: sending packet size=%d\n", size);
-#endif
- write(net_fd, buf, size);
+ CharDriverState *chr = opaque;
+ FDCharDriver *s = chr->opaque;
+
+ s->max_size = s->fd_can_read(s->fd_opaque);
+ return s->max_size;
}
-/* return true if the NE2000 can receive more data */
-int ne2000_can_receive(NE2000State *s)
+static void fd_chr_read(void *opaque)
{
- int avail, index, boundary;
+ CharDriverState *chr = opaque;
+ FDCharDriver *s = chr->opaque;
+ int size, len;
+ uint8_t buf[1024];
- if (s->cmd & E8390_STOP)
- return 0;
- index = s->curpag << 8;
- boundary = s->boundary << 8;
- if (index < boundary)
- avail = boundary - index;
- else
- avail = (s->stop - s->start) - (index - boundary);
- if (avail < (MAX_ETH_FRAME_SIZE + 4))
- return 0;
- return 1;
+ len = sizeof(buf);
+ if (len > s->max_size)
+ len = s->max_size;
+ if (len == 0)
+ return;
+ size = read(s->fd_in, buf, len);
+ if (size > 0) {
+ s->fd_read(s->fd_opaque, buf, size);
+ }
}
-void ne2000_receive(NE2000State *s, uint8_t *buf, int size)
+static void fd_chr_add_read_handler(CharDriverState *chr,
+ IOCanRWHandler *fd_can_read,
+ IOReadHandler *fd_read, void *opaque)
{
- uint8_t *p;
- int total_len, next, avail, len, index;
+ FDCharDriver *s = chr->opaque;
-#if defined(DEBUG_NE2000)
- printf("NE2000: received len=%d\n", size);
-#endif
+ if (s->fd_in >= 0) {
+ s->fd_can_read = fd_can_read;
+ s->fd_read = fd_read;
+ s->fd_opaque = opaque;
+ if (nographic && s->fd_in == 0) {
+ } else {
+ qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll,
+ fd_chr_read, NULL, chr);
+ }
+ }
+}
+
+/* open a character device to a unix fd */
+CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
+{
+ CharDriverState *chr;
+ FDCharDriver *s;
+
+ chr = qemu_mallocz(sizeof(CharDriverState));
+ if (!chr)
+ return NULL;
+ s = qemu_mallocz(sizeof(FDCharDriver));
+ if (!s) {
+ free(chr);
+ return NULL;
+ }
+ s->fd_in = fd_in;
+ s->fd_out = fd_out;
+ chr->opaque = s;
+ chr->chr_write = fd_chr_write;
+ chr->chr_add_read_handler = fd_chr_add_read_handler;
+ return chr;
+}
- index = s->curpag << 8;
- /* 4 bytes for header */
- total_len = size + 4;
- /* address for next packet (4 bytes for CRC) */
- next = index + ((total_len + 4 + 255) & ~0xff);
- if (next >= s->stop)
- next -= (s->stop - s->start);
- /* prepare packet header */
- p = s->mem + index;
- p[0] = ENRSR_RXOK; /* receive status */
- p[1] = next >> 8;
- p[2] = total_len;
- p[3] = total_len >> 8;
- index += 4;
+CharDriverState *qemu_chr_open_file_out(const char *file_out)
+{
+ int fd_out;
- /* write packet data */
- while (size > 0) {
- avail = s->stop - index;
- len = size;
- if (len > avail)
- len = avail;
- memcpy(s->mem + index, buf, len);
- buf += len;
- index += len;
- if (index == s->stop)
- index = s->start;
- size -= len;
- }
- s->curpag = next >> 8;
-
- /* now we can signal we have receive something */
- s->isr |= ENISR_RX;
- ne2000_update_irq(s);
+ fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666);
+ if (fd_out < 0)
+ return NULL;
+ return qemu_chr_open_fd(-1, fd_out);
}
-void ne2000_ioport_write(CPUState *env, uint32_t addr, uint32_t val)
+CharDriverState *qemu_chr_open_pipe(const char *filename)
{
- NE2000State *s = &ne2000_state;
- int offset, page;
+ int fd;
- addr &= 0xf;
-#ifdef DEBUG_NE2000
- printf("NE2000: write addr=0x%x val=0x%02x\n", addr, val);
-#endif
- if (addr == E8390_CMD) {
- /* control register */
- s->cmd = val;
- if (val & E8390_START) {
- /* test specific case: zero length transfert */
- if ((val & (E8390_RREAD | E8390_RWRITE)) &&
- s->rcnt == 0) {
- s->isr |= ENISR_RDC;
- ne2000_update_irq(s);
- }
- if (val & E8390_TRANS) {
- net_send_packet(s, s->mem + (s->tpsr << 8), s->tcnt);
- /* signal end of transfert */
- s->tsr = ENTSR_PTX;
- s->isr |= ENISR_TX;
- ne2000_update_irq(s);
- }
- }
- } else {
- page = s->cmd >> 6;
- offset = addr | (page << 4);
- switch(offset) {
- case EN0_STARTPG:
- s->start = val << 8;
- break;
- case EN0_STOPPG:
- s->stop = val << 8;
- break;
- case EN0_BOUNDARY:
- s->boundary = val;
- break;
- case EN0_IMR:
- s->imr = val;
- ne2000_update_irq(s);
- break;
- case EN0_TPSR:
- s->tpsr = val;
- break;
- case EN0_TCNTLO:
- s->tcnt = (s->tcnt & 0xff00) | val;
- break;
- case EN0_TCNTHI:
- s->tcnt = (s->tcnt & 0x00ff) | (val << 8);
- break;
- case EN0_RSARLO:
- s->rsar = (s->rsar & 0xff00) | val;
- break;
- case EN0_RSARHI:
- s->rsar = (s->rsar & 0x00ff) | (val << 8);
- break;
- case EN0_RCNTLO:
- s->rcnt = (s->rcnt & 0xff00) | val;
- break;
- case EN0_RCNTHI:
- s->rcnt = (s->rcnt & 0x00ff) | (val << 8);
- break;
- case EN0_DCFG:
- s->dcfg = val;
- break;
- case EN0_ISR:
- s->isr &= ~val;
- ne2000_update_irq(s);
- break;
- case EN1_PHYS ... EN1_PHYS + 5:
- s->phys[offset - EN1_PHYS] = val;
- break;
- case EN1_CURPAG:
- s->curpag = val;
- break;
- case EN1_MULT ... EN1_MULT + 7:
- s->mult[offset - EN1_MULT] = val;
- break;
- }
- }
+ fd = open(filename, O_RDWR | O_BINARY);
+ if (fd < 0)
+ return NULL;
+ return qemu_chr_open_fd(fd, fd);
}
-uint32_t ne2000_ioport_read(CPUState *env, uint32_t addr)
+
+/* for STDIO, we handle the case where several clients use it
+ (nographic mode) */
+
+#define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
+
+#define TERM_FIFO_MAX_SIZE 1
+
+static int term_got_escape, client_index;
+static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
+int term_fifo_size;
+
+void term_print_help(void)
{
- NE2000State *s = &ne2000_state;
- int offset, page, ret;
+ printf("\n"
+ "C-a h print this help\n"
+ "C-a x exit emulator\n"
+ "C-a s save disk data back to file (if -snapshot)\n"
+ "C-a b send break (magic sysrq)\n"
+ "C-a c switch between console and monitor\n"
+ "C-a C-a send C-a\n"
+ );
+}
- addr &= 0xf;
- if (addr == E8390_CMD) {
- ret = s->cmd;
- } else {
- page = s->cmd >> 6;
- offset = addr | (page << 4);
- switch(offset) {
- case EN0_TSR:
- ret = s->tsr;
- break;
- case EN0_BOUNDARY:
- ret = s->boundary;
- break;
- case EN0_ISR:
- ret = s->isr;
+/* called when a char is received */
+static void stdio_received_byte(int ch)
+{
+ if (term_got_escape) {
+ term_got_escape = 0;
+ switch(ch) {
+ case 'h':
+ term_print_help();
break;
- case EN1_PHYS ... EN1_PHYS + 5:
- ret = s->phys[offset - EN1_PHYS];
+ case 'x':
+ exit(0);
break;
- case EN1_CURPAG:
- ret = s->curpag;
+ case 's':
+ {
+ int i;
+ for (i = 0; i < MAX_DISKS; i++) {
+ if (bs_table[i])
+ bdrv_commit(bs_table[i]);
+ }
+ }
break;
- case EN1_MULT ... EN1_MULT + 7:
- ret = s->mult[offset - EN1_MULT];
+ case 'b':
+ if (client_index < stdio_nb_clients) {
+ CharDriverState *chr;
+ FDCharDriver *s;
+
+ chr = stdio_clients[client_index];
+ s = chr->opaque;
+ chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK);
+ }
break;
- default:
- ret = 0x00;
+ case 'c':
+ client_index++;
+ if (client_index >= stdio_nb_clients)
+ client_index = 0;
+ if (client_index == 0) {
+ /* send a new line in the monitor to get the prompt */
+ ch = '\r';
+ goto send_char;
+ }
break;
+ case TERM_ESCAPE:
+ goto send_char;
+ }
+ } else if (ch == TERM_ESCAPE) {
+ term_got_escape = 1;
+ } else {
+ send_char:
+ if (client_index < stdio_nb_clients) {
+ uint8_t buf[1];
+ CharDriverState *chr;
+ FDCharDriver *s;
+
+ chr = stdio_clients[client_index];
+ s = chr->opaque;
+ if (s->fd_can_read(s->fd_opaque) > 0) {
+ buf[0] = ch;
+ s->fd_read(s->fd_opaque, buf, 1);
+ } else if (term_fifo_size == 0) {
+ term_fifo[term_fifo_size++] = ch;
+ }
}
}
-#ifdef DEBUG_NE2000
- printf("NE2000: read addr=0x%x val=%02x\n", addr, ret);
-#endif
- return ret;
}
-void ne2000_asic_ioport_write(CPUState *env, uint32_t addr, uint32_t val)
+static int stdio_read_poll(void *opaque)
{
- NE2000State *s = &ne2000_state;
- uint8_t *p;
-
-#ifdef DEBUG_NE2000
- printf("NE2000: asic write val=0x%04x\n", val);
-#endif
- p = s->mem + s->rsar;
- if (s->dcfg & 0x01) {
- /* 16 bit access */
- p[0] = val;
- p[1] = val >> 8;
- s->rsar += 2;
- s->rcnt -= 2;
+ CharDriverState *chr;
+ FDCharDriver *s;
+
+ if (client_index < stdio_nb_clients) {
+ chr = stdio_clients[client_index];
+ s = chr->opaque;
+ /* try to flush the queue if needed */
+ if (term_fifo_size != 0 && s->fd_can_read(s->fd_opaque) > 0) {
+ s->fd_read(s->fd_opaque, term_fifo, 1);
+ term_fifo_size = 0;
+ }
+ /* see if we can absorb more chars */
+ if (term_fifo_size == 0)
+ return 1;
+ else
+ return 0;
} else {
- /* 8 bit access */
- p[0] = val;
- s->rsar++;
- s->rcnt--;
- }
- /* wrap */
- if (s->rsar == s->stop)
- s->rsar = s->start;
- if (s->rcnt == 0) {
- /* signal end of transfert */
- s->isr |= ENISR_RDC;
- ne2000_update_irq(s);
+ return 1;
}
}
-uint32_t ne2000_asic_ioport_read(CPUState *env, uint32_t addr)
+static void stdio_read(void *opaque)
{
- NE2000State *s = &ne2000_state;
- uint8_t *p;
- int ret;
-
- p = s->mem + s->rsar;
- if (s->dcfg & 0x01) {
- /* 16 bit access */
- ret = p[0] | (p[1] << 8);
- s->rsar += 2;
- s->rcnt -= 2;
- } else {
- /* 8 bit access */
- ret = p[0];
- s->rsar++;
- s->rcnt--;
- }
- /* wrap */
- if (s->rsar == s->stop)
- s->rsar = s->start;
- if (s->rcnt == 0) {
- /* signal end of transfert */
- s->isr |= ENISR_RDC;
- ne2000_update_irq(s);
- }
-#ifdef DEBUG_NE2000
- printf("NE2000: asic read val=0x%04x\n", ret);
-#endif
- return ret;
+ int size;
+ uint8_t buf[1];
+
+ size = read(0, buf, 1);
+ if (size > 0)
+ stdio_received_byte(buf[0]);
}
-void ne2000_reset_ioport_write(CPUState *env, uint32_t addr, uint32_t val)
-{
- /* nothing to do (end of reset pulse) */
-}
+/* init terminal so that we can grab keys */
+static struct termios oldtty;
+static int old_fd0_flags;
-uint32_t ne2000_reset_ioport_read(CPUState *env, uint32_t addr)
+static void term_exit(void)
{
- ne2000_reset();
- return 0;
+ tcsetattr (0, TCSANOW, &oldtty);
+ fcntl(0, F_SETFL, old_fd0_flags);
}
-void ne2000_init(void)
+static void term_init(void)
{
- register_ioport_write(NE2000_IOPORT, 16, ne2000_ioport_write, 1);
- register_ioport_read(NE2000_IOPORT, 16, ne2000_ioport_read, 1);
-
- register_ioport_write(NE2000_IOPORT + 0x10, 1, ne2000_asic_ioport_write, 1);
- register_ioport_read(NE2000_IOPORT + 0x10, 1, ne2000_asic_ioport_read, 1);
- register_ioport_write(NE2000_IOPORT + 0x10, 2, ne2000_asic_ioport_write, 2);
- register_ioport_read(NE2000_IOPORT + 0x10, 2, ne2000_asic_ioport_read, 2);
+ struct termios tty;
- register_ioport_write(NE2000_IOPORT + 0x1f, 1, ne2000_reset_ioport_write, 1);
- register_ioport_read(NE2000_IOPORT + 0x1f, 1, ne2000_reset_ioport_read, 1);
- ne2000_reset();
-}
-#endif
+ tcgetattr (0, &tty);
+ oldtty = tty;
+ old_fd0_flags = fcntl(0, F_GETFL);
-/***********************************************************/
-/* PC floppy disk controler emulation glue */
-#define PC_FDC_DMA 0x2
-#define PC_FDC_IRQ 0x6
-#define PC_FDC_BASE 0x3F0
+ tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
+ |INLCR|IGNCR|ICRNL|IXON);
+ tty.c_oflag |= OPOST;
+ tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
+ /* if graphical mode, we allow Ctrl-C handling */
+ if (nographic)
+ tty.c_lflag &= ~ISIG;
+ tty.c_cflag &= ~(CSIZE|PARENB);
+ tty.c_cflag |= CS8;
+ tty.c_cc[VMIN] = 1;
+ tty.c_cc[VTIME] = 0;
+
+ tcsetattr (0, TCSANOW, &tty);
-static void fdctrl_register (unsigned char **disknames, int ro,
- char boot_device)
-{
- int i;
+ atexit(term_exit);
- fdctrl_init(PC_FDC_IRQ, PC_FDC_DMA, 0, PC_FDC_BASE, boot_device);
- for (i = 0; i < MAX_FD; i++) {
- if (disknames[i] != NULL)
- fdctrl_disk_change(i, disknames[i], ro);
- }
+ fcntl(0, F_SETFL, O_NONBLOCK);
}
-/***********************************************************/
-/* keyboard emulation */
-
-/* Keyboard Controller Commands */
-#define KBD_CCMD_READ_MODE 0x20 /* Read mode bits */
-#define KBD_CCMD_WRITE_MODE 0x60 /* Write mode bits */
-#define KBD_CCMD_GET_VERSION 0xA1 /* Get controller version */
-#define KBD_CCMD_MOUSE_DISABLE 0xA7 /* Disable mouse interface */
-#define KBD_CCMD_MOUSE_ENABLE 0xA8 /* Enable mouse interface */
-#define KBD_CCMD_TEST_MOUSE 0xA9 /* Mouse interface test */
-#define KBD_CCMD_SELF_TEST 0xAA /* Controller self test */
-#define KBD_CCMD_KBD_TEST 0xAB /* Keyboard interface test */
-#define KBD_CCMD_KBD_DISABLE 0xAD /* Keyboard interface disable */
-#define KBD_CCMD_KBD_ENABLE 0xAE /* Keyboard interface enable */
-#define KBD_CCMD_READ_INPORT 0xC0 /* read input port */
-#define KBD_CCMD_READ_OUTPORT 0xD0 /* read output port */
-#define KBD_CCMD_WRITE_OUTPORT 0xD1 /* write output port */
-#define KBD_CCMD_WRITE_OBUF 0xD2
-#define KBD_CCMD_WRITE_AUX_OBUF 0xD3 /* Write to output buffer as if
- initiated by the auxiliary device */
-#define KBD_CCMD_WRITE_MOUSE 0xD4 /* Write the following byte to the mouse */
-#define KBD_CCMD_DISABLE_A20 0xDD /* HP vectra only ? */
-#define KBD_CCMD_ENABLE_A20 0xDF /* HP vectra only ? */
-#define KBD_CCMD_RESET 0xFE
-
-/* Keyboard Commands */
-#define KBD_CMD_SET_LEDS 0xED /* Set keyboard leds */
-#define KBD_CMD_ECHO 0xEE
-#define KBD_CMD_GET_ID 0xF2 /* get keyboard ID */
-#define KBD_CMD_SET_RATE 0xF3 /* Set typematic rate */
-#define KBD_CMD_ENABLE 0xF4 /* Enable scanning */
-#define KBD_CMD_RESET_DISABLE 0xF5 /* reset and disable scanning */
-#define KBD_CMD_RESET_ENABLE 0xF6 /* reset and enable scanning */
-#define KBD_CMD_RESET 0xFF /* Reset */
-
-/* Keyboard Replies */
-#define KBD_REPLY_POR 0xAA /* Power on reset */
-#define KBD_REPLY_ACK 0xFA /* Command ACK */
-#define KBD_REPLY_RESEND 0xFE /* Command NACK, send the cmd again */
-
-/* Status Register Bits */
-#define KBD_STAT_OBF 0x01 /* Keyboard output buffer full */
-#define KBD_STAT_IBF 0x02 /* Keyboard input buffer full */
-#define KBD_STAT_SELFTEST 0x04 /* Self test successful */
-#define KBD_STAT_CMD 0x08 /* Last write was a command write (0=data) */
-#define KBD_STAT_UNLOCKED 0x10 /* Zero if keyboard locked */
-#define KBD_STAT_MOUSE_OBF 0x20 /* Mouse output buffer full */
-#define KBD_STAT_GTO 0x40 /* General receive/xmit timeout */
-#define KBD_STAT_PERR 0x80 /* Parity error */
-
-/* Controller Mode Register Bits */
-#define KBD_MODE_KBD_INT 0x01 /* Keyboard data generate IRQ1 */
-#define KBD_MODE_MOUSE_INT 0x02 /* Mouse data generate IRQ12 */
-#define KBD_MODE_SYS 0x04 /* The system flag (?) */
-#define KBD_MODE_NO_KEYLOCK 0x08 /* The keylock doesn't affect the keyboard if set */
-#define KBD_MODE_DISABLE_KBD 0x10 /* Disable keyboard interface */
-#define KBD_MODE_DISABLE_MOUSE 0x20 /* Disable mouse interface */
-#define KBD_MODE_KCC 0x40 /* Scan code conversion to PC format */
-#define KBD_MODE_RFU 0x80
-
-/* Mouse Commands */
-#define AUX_SET_SCALE11 0xE6 /* Set 1:1 scaling */
-#define AUX_SET_SCALE21 0xE7 /* Set 2:1 scaling */
-#define AUX_SET_RES 0xE8 /* Set resolution */
-#define AUX_GET_SCALE 0xE9 /* Get scaling factor */
-#define AUX_SET_STREAM 0xEA /* Set stream mode */
-#define AUX_POLL 0xEB /* Poll */
-#define AUX_RESET_WRAP 0xEC /* Reset wrap mode */
-#define AUX_SET_WRAP 0xEE /* Set wrap mode */
-#define AUX_SET_REMOTE 0xF0 /* Set remote mode */
-#define AUX_GET_TYPE 0xF2 /* Get type */
-#define AUX_SET_SAMPLE 0xF3 /* Set sample rate */
-#define AUX_ENABLE_DEV 0xF4 /* Enable aux device */
-#define AUX_DISABLE_DEV 0xF5 /* Disable aux device */
-#define AUX_SET_DEFAULT 0xF6
-#define AUX_RESET 0xFF /* Reset aux device */
-#define AUX_ACK 0xFA /* Command byte ACK. */
-
-#define MOUSE_STATUS_REMOTE 0x40
-#define MOUSE_STATUS_ENABLED 0x20
-#define MOUSE_STATUS_SCALE21 0x10
-
-#define KBD_QUEUE_SIZE 256
+CharDriverState *qemu_chr_open_stdio(void)
+{
+ CharDriverState *chr;
-typedef struct {
- uint8_t data[KBD_QUEUE_SIZE];
- int rptr, wptr, count;
-} KBDQueue;
-
-typedef struct KBDState {
- KBDQueue queues[2];
- uint8_t write_cmd; /* if non zero, write data to port 60 is expected */
- uint8_t status;
- uint8_t mode;
- /* keyboard state */
- int kbd_write_cmd;
- int scan_enabled;
- /* mouse state */
- int mouse_write_cmd;
- uint8_t mouse_status;
- uint8_t mouse_resolution;
- uint8_t mouse_sample_rate;
- uint8_t mouse_wrap;
- uint8_t mouse_type; /* 0 = PS2, 3 = IMPS/2, 4 = IMEX */
- uint8_t mouse_detect_state;
- int mouse_dx; /* current values, needed for 'poll' mode */
- int mouse_dy;
- int mouse_dz;
- uint8_t mouse_buttons;
-} KBDState;
-
-KBDState kbd_state;
-int reset_requested;
-
-/* update irq and KBD_STAT_[MOUSE_]OBF */
-/* XXX: not generating the irqs if KBD_MODE_DISABLE_KBD is set may be
- incorrect, but it avoids having to simulate exact delays */
-static void kbd_update_irq(KBDState *s)
-{
- int irq12_level, irq1_level;
-
- irq1_level = 0;
- irq12_level = 0;
- s->status &= ~(KBD_STAT_OBF | KBD_STAT_MOUSE_OBF);
- if (s->queues[0].count != 0 ||
- s->queues[1].count != 0) {
- s->status |= KBD_STAT_OBF;
- if (s->queues[1].count != 0) {
- s->status |= KBD_STAT_MOUSE_OBF;
- if (s->mode & KBD_MODE_MOUSE_INT)
- irq12_level = 1;
- } else {
- if ((s->mode & KBD_MODE_KBD_INT) &&
- !(s->mode & KBD_MODE_DISABLE_KBD))
- irq1_level = 1;
- }
+ if (nographic) {
+ if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
+ return NULL;
+ chr = qemu_chr_open_fd(0, 1);
+ if (stdio_nb_clients == 0)
+ qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, NULL);
+ client_index = stdio_nb_clients;
+ } else {
+ if (stdio_nb_clients != 0)
+ return NULL;
+ chr = qemu_chr_open_fd(0, 1);
}
- pic_set_irq(1, irq1_level);
- pic_set_irq(12, irq12_level);
+ stdio_clients[stdio_nb_clients++] = chr;
+ if (stdio_nb_clients == 1) {
+ /* set the terminal in raw mode */
+ term_init();
+ }
+ return chr;
}
-static void kbd_queue(KBDState *s, int b, int aux)
+#if defined(__linux__)
+CharDriverState *qemu_chr_open_pty(void)
{
- KBDQueue *q = &kbd_state.queues[aux];
+ struct termios tty;
+ char slave_name[1024];
+ int master_fd, slave_fd;
+
+ /* Not satisfying */
+ if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) {
+ return NULL;
+ }
+
+ /* Disabling local echo and line-buffered output */
+ tcgetattr (master_fd, &tty);
+ tty.c_lflag &= ~(ECHO|ICANON|ISIG);
+ tty.c_cc[VMIN] = 1;
+ tty.c_cc[VTIME] = 0;
+ tcsetattr (master_fd, TCSAFLUSH, &tty);
-#if defined(DEBUG_MOUSE) || defined(DEBUG_KBD)
- if (aux)
- printf("mouse event: 0x%02x\n", b);
-#ifdef DEBUG_KBD
- else
- printf("kbd event: 0x%02x\n", b);
-#endif
-#endif
- if (q->count >= KBD_QUEUE_SIZE)
- return;
- q->data[q->wptr] = b;
- if (++q->wptr == KBD_QUEUE_SIZE)
- q->wptr = 0;
- q->count++;
- kbd_update_irq(s);
+ fprintf(stderr, "char device redirected to %s\n", slave_name);
+ return qemu_chr_open_fd(master_fd, master_fd);
}
-void kbd_put_keycode(int keycode)
+static void tty_serial_init(int fd, int speed,
+ int parity, int data_bits, int stop_bits)
{
- KBDState *s = &kbd_state;
- kbd_queue(s, keycode, 0);
-}
+ struct termios tty;
+ speed_t spd;
-uint32_t kbd_read_status(CPUState *env, uint32_t addr)
-{
- KBDState *s = &kbd_state;
- int val;
- val = s->status;
-#if defined(DEBUG_KBD)
- printf("kbd: read status=0x%02x\n", val);
+#if 0
+ printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
+ speed, parity, data_bits, stop_bits);
#endif
- return val;
-}
+ tcgetattr (fd, &tty);
-void kbd_write_command(CPUState *env, uint32_t addr, uint32_t val)
-{
- KBDState *s = &kbd_state;
-
-#ifdef DEBUG_KBD
- printf("kbd: write cmd=0x%02x\n", val);
-#endif
- switch(val) {
- case KBD_CCMD_READ_MODE:
- kbd_queue(s, s->mode, 0);
- break;
- case KBD_CCMD_WRITE_MODE:
- case KBD_CCMD_WRITE_OBUF:
- case KBD_CCMD_WRITE_AUX_OBUF:
- case KBD_CCMD_WRITE_MOUSE:
- case KBD_CCMD_WRITE_OUTPORT:
- s->write_cmd = val;
+ switch(speed) {
+ case 50:
+ spd = B50;
break;
- case KBD_CCMD_MOUSE_DISABLE:
- s->mode |= KBD_MODE_DISABLE_MOUSE;
+ case 75:
+ spd = B75;
break;
- case KBD_CCMD_MOUSE_ENABLE:
- s->mode &= ~KBD_MODE_DISABLE_MOUSE;
+ case 300:
+ spd = B300;
break;
- case KBD_CCMD_TEST_MOUSE:
- kbd_queue(s, 0x00, 0);
+ case 600:
+ spd = B600;
break;
- case KBD_CCMD_SELF_TEST:
- s->status |= KBD_STAT_SELFTEST;
- kbd_queue(s, 0x55, 0);
+ case 1200:
+ spd = B1200;
break;
- case KBD_CCMD_KBD_TEST:
- kbd_queue(s, 0x00, 0);
+ case 2400:
+ spd = B2400;
break;
- case KBD_CCMD_KBD_DISABLE:
- s->mode |= KBD_MODE_DISABLE_KBD;
- kbd_update_irq(s);
+ case 4800:
+ spd = B4800;
break;
- case KBD_CCMD_KBD_ENABLE:
- s->mode &= ~KBD_MODE_DISABLE_KBD;
- kbd_update_irq(s);
+ case 9600:
+ spd = B9600;
break;
- case KBD_CCMD_READ_INPORT:
- kbd_queue(s, 0x00, 0);
+ case 19200:
+ spd = B19200;
break;
- case KBD_CCMD_READ_OUTPORT:
- /* XXX: check that */
-#ifdef TARGET_I386
- val = 0x01 | (a20_enabled << 1);
-#else
- val = 0x01;
-#endif
- if (s->status & KBD_STAT_OBF)
- val |= 0x10;
- if (s->status & KBD_STAT_MOUSE_OBF)
- val |= 0x20;
- kbd_queue(s, val, 0);
- break;
-#ifdef TARGET_I386
- case KBD_CCMD_ENABLE_A20:
- cpu_x86_set_a20(env, 1);
- break;
- case KBD_CCMD_DISABLE_A20:
- cpu_x86_set_a20(env, 0);
- break;
-#endif
- case KBD_CCMD_RESET:
- reset_requested = 1;
- cpu_interrupt(global_env, CPU_INTERRUPT_EXIT);
+ case 38400:
+ spd = B38400;
break;
- case 0xff:
- /* ignore that - I don't know what is its use */
+ case 57600:
+ spd = B57600;
break;
default:
- fprintf(stderr, "qemu: unsupported keyboard cmd=0x%02x\n", val);
+ case 115200:
+ spd = B115200;
break;
}
-}
-
-uint32_t kbd_read_data(CPUState *env, uint32_t addr)
-{
- KBDState *s = &kbd_state;
- KBDQueue *q;
- int val, index;
-
- q = &s->queues[0]; /* first check KBD data */
- if (q->count == 0)
- q = &s->queues[1]; /* then check AUX data */
- if (q->count == 0) {
- /* NOTE: if no data left, we return the last keyboard one
- (needed for EMM386) */
- /* XXX: need a timer to do things correctly */
- q = &s->queues[0];
- index = q->rptr - 1;
- if (index < 0)
- index = KBD_QUEUE_SIZE - 1;
- val = q->data[index];
- } else {
- val = q->data[q->rptr];
- if (++q->rptr == KBD_QUEUE_SIZE)
- q->rptr = 0;
- q->count--;
- /* reading deasserts IRQ */
- if (q == &s->queues[0])
- pic_set_irq(1, 0);
- else
- pic_set_irq(12, 0);
- }
- /* reassert IRQs if data left */
- kbd_update_irq(s);
-#ifdef DEBUG_KBD
- printf("kbd: read data=0x%02x\n", val);
-#endif
- return val;
-}
-static void kbd_reset_keyboard(KBDState *s)
-{
- s->scan_enabled = 1;
-}
+ cfsetispeed(&tty, spd);
+ cfsetospeed(&tty, spd);
-static void kbd_write_keyboard(KBDState *s, int val)
-{
- switch(s->kbd_write_cmd) {
+ tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
+ |INLCR|IGNCR|ICRNL|IXON);
+ tty.c_oflag |= OPOST;
+ tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG);
+ tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS);
+ switch(data_bits) {
default:
- case -1:
- switch(val) {
- case 0x00:
- kbd_queue(s, KBD_REPLY_ACK, 0);
- break;
- case 0x05:
- kbd_queue(s, KBD_REPLY_RESEND, 0);
- break;
- case KBD_CMD_GET_ID:
- kbd_queue(s, KBD_REPLY_ACK, 0);
- kbd_queue(s, 0xab, 0);
- kbd_queue(s, 0x83, 0);
- break;
- case KBD_CMD_ECHO:
- kbd_queue(s, KBD_CMD_ECHO, 0);
- break;
- case KBD_CMD_ENABLE:
- s->scan_enabled = 1;
- kbd_queue(s, KBD_REPLY_ACK, 0);
- break;
- case KBD_CMD_SET_LEDS:
- case KBD_CMD_SET_RATE:
- s->kbd_write_cmd = val;
- kbd_queue(s, KBD_REPLY_ACK, 0);
- break;
- case KBD_CMD_RESET_DISABLE:
- kbd_reset_keyboard(s);
- s->scan_enabled = 0;
- kbd_queue(s, KBD_REPLY_ACK, 0);
- break;
- case KBD_CMD_RESET_ENABLE:
- kbd_reset_keyboard(s);
- s->scan_enabled = 1;
- kbd_queue(s, KBD_REPLY_ACK, 0);
- break;
- case KBD_CMD_RESET:
- kbd_reset_keyboard(s);
- kbd_queue(s, KBD_REPLY_ACK, 0);
- kbd_queue(s, KBD_REPLY_POR, 0);
- break;
- default:
- kbd_queue(s, KBD_REPLY_ACK, 0);
- break;
- }
+ case 8:
+ tty.c_cflag |= CS8;
break;
- case KBD_CMD_SET_LEDS:
- kbd_queue(s, KBD_REPLY_ACK, 0);
- s->kbd_write_cmd = -1;
+ case 7:
+ tty.c_cflag |= CS7;
+ break;
+ case 6:
+ tty.c_cflag |= CS6;
break;
- case KBD_CMD_SET_RATE:
- kbd_queue(s, KBD_REPLY_ACK, 0);
- s->kbd_write_cmd = -1;
+ case 5:
+ tty.c_cflag |= CS5;
break;
}
-}
-
-static void kbd_mouse_send_packet(KBDState *s)
-{
- unsigned int b;
- int dx1, dy1, dz1;
-
- dx1 = s->mouse_dx;
- dy1 = s->mouse_dy;
- dz1 = s->mouse_dz;
- /* XXX: increase range to 8 bits ? */
- if (dx1 > 127)
- dx1 = 127;
- else if (dx1 < -127)
- dx1 = -127;
- if (dy1 > 127)
- dy1 = 127;
- else if (dy1 < -127)
- dy1 = -127;
- b = 0x08 | ((dx1 < 0) << 4) | ((dy1 < 0) << 5) | (s->mouse_buttons & 0x07);
- kbd_queue(s, b, 1);
- kbd_queue(s, dx1 & 0xff, 1);
- kbd_queue(s, dy1 & 0xff, 1);
- /* extra byte for IMPS/2 or IMEX */
- switch(s->mouse_type) {
+ switch(parity) {
default:
+ case 'N':
break;
- case 3:
- if (dz1 > 127)
- dz1 = 127;
- else if (dz1 < -127)
- dz1 = -127;
- kbd_queue(s, dz1 & 0xff, 1);
+ case 'E':
+ tty.c_cflag |= PARENB;
break;
- case 4:
- if (dz1 > 7)
- dz1 = 7;
- else if (dz1 < -7)
- dz1 = -7;
- b = (dz1 & 0x0f) | ((s->mouse_buttons & 0x18) << 1);
- kbd_queue(s, b, 1);
+ case 'O':
+ tty.c_cflag |= PARENB | PARODD;
break;
}
-
- /* update deltas */
- s->mouse_dx -= dx1;
- s->mouse_dy -= dy1;
- s->mouse_dz -= dz1;
-}
-
-void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
-{
- KBDState *s = &kbd_state;
-
- /* check if deltas are recorded when disabled */
- if (!(s->mouse_status & MOUSE_STATUS_ENABLED))
- return;
-
- s->mouse_dx += dx;
- s->mouse_dy -= dy;
- s->mouse_dz += dz;
- s->mouse_buttons = buttons_state;
- if (!(s->mouse_status & MOUSE_STATUS_REMOTE) &&
- (s->queues[1].count < (KBD_QUEUE_SIZE - 16))) {
- for(;;) {
- /* if not remote, send event. Multiple events are sent if
- too big deltas */
- kbd_mouse_send_packet(s);
- if (s->mouse_dx == 0 && s->mouse_dy == 0 && s->mouse_dz == 0)
- break;
- }
- }
+ tcsetattr (fd, TCSANOW, &tty);
}
-static void kbd_write_mouse(KBDState *s, int val)
+static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg)
{
-#ifdef DEBUG_MOUSE
- printf("kbd: write mouse 0x%02x\n", val);
-#endif
- switch(s->mouse_write_cmd) {
- default:
- case -1:
- /* mouse command */
- if (s->mouse_wrap) {
- if (val == AUX_RESET_WRAP) {
- s->mouse_wrap = 0;
- kbd_queue(s, AUX_ACK, 1);
- return;
- } else if (val != AUX_RESET) {
- kbd_queue(s, val, 1);
- return;
- }
- }
- switch(val) {
- case AUX_SET_SCALE11:
- s->mouse_status &= ~MOUSE_STATUS_SCALE21;
- kbd_queue(s, AUX_ACK, 1);
- break;
- case AUX_SET_SCALE21:
- s->mouse_status |= MOUSE_STATUS_SCALE21;
- kbd_queue(s, AUX_ACK, 1);
- break;
- case AUX_SET_STREAM:
- s->mouse_status &= ~MOUSE_STATUS_REMOTE;
- kbd_queue(s, AUX_ACK, 1);
- break;
- case AUX_SET_WRAP:
- s->mouse_wrap = 1;
- kbd_queue(s, AUX_ACK, 1);
- break;
- case AUX_SET_REMOTE:
- s->mouse_status |= MOUSE_STATUS_REMOTE;
- kbd_queue(s, AUX_ACK, 1);
- break;
- case AUX_GET_TYPE:
- kbd_queue(s, AUX_ACK, 1);
- kbd_queue(s, s->mouse_type, 1);
- break;
- case AUX_SET_RES:
- case AUX_SET_SAMPLE:
- s->mouse_write_cmd = val;
- kbd_queue(s, AUX_ACK, 1);
- break;
- case AUX_GET_SCALE:
- kbd_queue(s, AUX_ACK, 1);
- kbd_queue(s, s->mouse_status, 1);
- kbd_queue(s, s->mouse_resolution, 1);
- kbd_queue(s, s->mouse_sample_rate, 1);
- break;
- case AUX_POLL:
- kbd_queue(s, AUX_ACK, 1);
- kbd_mouse_send_packet(s);
- break;
- case AUX_ENABLE_DEV:
- s->mouse_status |= MOUSE_STATUS_ENABLED;
- kbd_queue(s, AUX_ACK, 1);
- break;
- case AUX_DISABLE_DEV:
- s->mouse_status &= ~MOUSE_STATUS_ENABLED;
- kbd_queue(s, AUX_ACK, 1);
- break;
- case AUX_SET_DEFAULT:
- s->mouse_sample_rate = 100;
- s->mouse_resolution = 2;
- s->mouse_status = 0;
- kbd_queue(s, AUX_ACK, 1);
- break;
- case AUX_RESET:
- s->mouse_sample_rate = 100;
- s->mouse_resolution = 2;
- s->mouse_status = 0;
- kbd_queue(s, AUX_ACK, 1);
- kbd_queue(s, 0xaa, 1);
- kbd_queue(s, s->mouse_type, 1);
- break;
- default:
- break;
+ FDCharDriver *s = chr->opaque;
+
+ switch(cmd) {
+ case CHR_IOCTL_SERIAL_SET_PARAMS:
+ {
+ QEMUSerialSetParams *ssp = arg;
+ tty_serial_init(s->fd_in, ssp->speed, ssp->parity,
+ ssp->data_bits, ssp->stop_bits);
}
break;
- case AUX_SET_SAMPLE:
- s->mouse_sample_rate = val;
-#if 0
- /* detect IMPS/2 or IMEX */
- switch(s->mouse_detect_state) {
- default:
- case 0:
- if (val == 200)
- s->mouse_detect_state = 1;
- break;
- case 1:
- if (val == 100)
- s->mouse_detect_state = 2;
- else if (val == 200)
- s->mouse_detect_state = 3;
- else
- s->mouse_detect_state = 0;
- break;
- case 2:
- if (val == 80)
- s->mouse_type = 3; /* IMPS/2 */
- s->mouse_detect_state = 0;
- break;
- case 3:
- if (val == 80)
- s->mouse_type = 4; /* IMEX */
- s->mouse_detect_state = 0;
- break;
+ case CHR_IOCTL_SERIAL_SET_BREAK:
+ {
+ int enable = *(int *)arg;
+ if (enable)
+ tcsendbreak(s->fd_in, 1);
}
-#endif
- kbd_queue(s, AUX_ACK, 1);
- s->mouse_write_cmd = -1;
- break;
- case AUX_SET_RES:
- s->mouse_resolution = val;
- kbd_queue(s, AUX_ACK, 1);
- s->mouse_write_cmd = -1;
break;
+ default:
+ return -ENOTSUP;
}
+ return 0;
}
-void kbd_write_data(CPUState *env, uint32_t addr, uint32_t val)
+CharDriverState *qemu_chr_open_tty(const char *filename)
{
- KBDState *s = &kbd_state;
+ CharDriverState *chr;
+ int fd;
-#ifdef DEBUG_KBD
- printf("kbd: write data=0x%02x\n", val);
-#endif
+ fd = open(filename, O_RDWR | O_NONBLOCK);
+ if (fd < 0)
+ return NULL;
+ fcntl(fd, F_SETFL, O_NONBLOCK);
+ tty_serial_init(fd, 115200, 'N', 8, 1);
+ chr = qemu_chr_open_fd(fd, fd);
+ if (!chr)
+ return NULL;
+ chr->chr_ioctl = tty_serial_ioctl;
+ return chr;
+}
- switch(s->write_cmd) {
- case 0:
- kbd_write_keyboard(s, val);
- break;
- case KBD_CCMD_WRITE_MODE:
- s->mode = val;
- kbd_update_irq(s);
+static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
+{
+ int fd = (int)chr->opaque;
+ uint8_t b;
+
+ switch(cmd) {
+ case CHR_IOCTL_PP_READ_DATA:
+ if (ioctl(fd, PPRDATA, &b) < 0)
+ return -ENOTSUP;
+ *(uint8_t *)arg = b;
break;
- case KBD_CCMD_WRITE_OBUF:
- kbd_queue(s, val, 0);
+ case CHR_IOCTL_PP_WRITE_DATA:
+ b = *(uint8_t *)arg;
+ if (ioctl(fd, PPWDATA, &b) < 0)
+ return -ENOTSUP;
break;
- case KBD_CCMD_WRITE_AUX_OBUF:
- kbd_queue(s, val, 1);
+ case CHR_IOCTL_PP_READ_CONTROL:
+ if (ioctl(fd, PPRCONTROL, &b) < 0)
+ return -ENOTSUP;
+ *(uint8_t *)arg = b;
break;
- case KBD_CCMD_WRITE_OUTPORT:
-#ifdef TARGET_I386
- cpu_x86_set_a20(env, (val >> 1) & 1);
-#endif
- if (!(val & 1)) {
- reset_requested = 1;
- cpu_interrupt(global_env, CPU_INTERRUPT_EXIT);
- }
+ case CHR_IOCTL_PP_WRITE_CONTROL:
+ b = *(uint8_t *)arg;
+ if (ioctl(fd, PPWCONTROL, &b) < 0)
+ return -ENOTSUP;
break;
- case KBD_CCMD_WRITE_MOUSE:
- kbd_write_mouse(s, val);
+ case CHR_IOCTL_PP_READ_STATUS:
+ if (ioctl(fd, PPRSTATUS, &b) < 0)
+ return -ENOTSUP;
+ *(uint8_t *)arg = b;
break;
default:
- break;
+ return -ENOTSUP;
}
- s->write_cmd = 0;
+ return 0;
}
-void kbd_reset(KBDState *s)
+CharDriverState *qemu_chr_open_pp(const char *filename)
{
- KBDQueue *q;
- int i;
+ CharDriverState *chr;
+ int fd;
- s->kbd_write_cmd = -1;
- s->mouse_write_cmd = -1;
- s->mode = KBD_MODE_KBD_INT | KBD_MODE_MOUSE_INT;
- s->status = KBD_STAT_CMD | KBD_STAT_UNLOCKED;
- for(i = 0; i < 2; i++) {
- q = &s->queues[i];
- q->rptr = 0;
- q->wptr = 0;
- q->count = 0;
- }
-}
-
-void kbd_init(void)
-{
- kbd_reset(&kbd_state);
-#if defined (TARGET_I386) || defined (TARGET_PPC)
- register_ioport_read(0x60, 1, kbd_read_data, 1);
- register_ioport_write(0x60, 1, kbd_write_data, 1);
- register_ioport_read(0x64, 1, kbd_read_status, 1);
- register_ioport_write(0x64, 1, kbd_write_command, 1);
-#endif
-}
+ fd = open(filename, O_RDWR);
+ if (fd < 0)
+ return NULL;
-/***********************************************************/
-/* Bochs BIOS debug ports */
-#ifdef TARGET_I386
-void bochs_bios_write(CPUX86State *env, uint32_t addr, uint32_t val)
-{
- switch(addr) {
- /* Bochs BIOS messages */
- case 0x400:
- case 0x401:
- fprintf(stderr, "BIOS panic at rombios.c, line %d\n", val);
- exit(1);
- case 0x402:
- case 0x403:
-#ifdef DEBUG_BIOS
- fprintf(stderr, "%c", val);
-#endif
- break;
+ if (ioctl(fd, PPCLAIM) < 0) {
+ close(fd);
+ return NULL;
+ }
- /* LGPL'ed VGA BIOS messages */
- case 0x501:
- case 0x502:
- fprintf(stderr, "VGA BIOS panic, line %d\n", val);
- exit(1);
- case 0x500:
- case 0x503:
-#ifdef DEBUG_BIOS
- fprintf(stderr, "%c", val);
-#endif
- break;
+ chr = qemu_mallocz(sizeof(CharDriverState));
+ if (!chr) {
+ close(fd);
+ return NULL;
}
+ chr->opaque = (void *)fd;
+ chr->chr_write = null_chr_write;
+ chr->chr_add_read_handler = null_chr_add_read_handler;
+ chr->chr_ioctl = pp_ioctl;
+ return chr;
}
-void bochs_bios_init(void)
+#else
+CharDriverState *qemu_chr_open_pty(void)
{
- register_ioport_write(0x400, 1, bochs_bios_write, 2);
- register_ioport_write(0x401, 1, bochs_bios_write, 2);
- register_ioport_write(0x402, 1, bochs_bios_write, 1);
- register_ioport_write(0x403, 1, bochs_bios_write, 1);
-
- register_ioport_write(0x501, 1, bochs_bios_write, 2);
- register_ioport_write(0x502, 1, bochs_bios_write, 2);
- register_ioport_write(0x500, 1, bochs_bios_write, 1);
- register_ioport_write(0x503, 1, bochs_bios_write, 1);
+ return NULL;
}
#endif
-/***********************************************************/
-/* dumb display */
-
-/* init terminal so that we can grab keys */
-static struct termios oldtty;
+#endif /* !defined(_WIN32) */
-static void term_exit(void)
+#ifdef _WIN32
+typedef struct {
+ IOCanRWHandler *fd_can_read;
+ IOReadHandler *fd_read;
+ void *win_opaque;
+ int max_size;
+ HANDLE hcom, hrecv, hsend;
+ OVERLAPPED orecv, osend;
+ BOOL fpipe;
+ DWORD len;
+} WinCharState;
+
+#define NSENDBUF 2048
+#define NRECVBUF 2048
+#define MAXCONNECT 1
+#define NTIMEOUT 5000
+
+static int win_chr_poll(void *opaque);
+static int win_chr_pipe_poll(void *opaque);
+
+static void win_chr_close2(WinCharState *s)
{
- tcsetattr (0, TCSANOW, &oldtty);
+ if (s->hsend) {
+ CloseHandle(s->hsend);
+ s->hsend = NULL;
+ }
+ if (s->hrecv) {
+ CloseHandle(s->hrecv);
+ s->hrecv = NULL;
+ }
+ if (s->hcom) {
+ CloseHandle(s->hcom);
+ s->hcom = NULL;
+ }
+ if (s->fpipe)
+ qemu_del_polling_cb(win_chr_pipe_poll, s);
+ else
+ qemu_del_polling_cb(win_chr_poll, s);
}
-static void term_init(void)
+static void win_chr_close(CharDriverState *chr)
{
- struct termios tty;
+ WinCharState *s = chr->opaque;
+ win_chr_close2(s);
+}
- tcgetattr (0, &tty);
- oldtty = tty;
+static int win_chr_init(WinCharState *s, const char *filename)
+{
+ COMMCONFIG comcfg;
+ COMMTIMEOUTS cto = { 0, 0, 0, 0, 0};
+ COMSTAT comstat;
+ DWORD size;
+ DWORD err;
+
+ s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
+ if (!s->hsend) {
+ fprintf(stderr, "Failed CreateEvent\n");
+ goto fail;
+ }
+ s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
+ if (!s->hrecv) {
+ fprintf(stderr, "Failed CreateEvent\n");
+ goto fail;
+ }
- tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
- |INLCR|IGNCR|ICRNL|IXON);
- tty.c_oflag |= OPOST;
- tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
- /* if graphical mode, we allow Ctrl-C handling */
- if (nographic)
- tty.c_lflag &= ~ISIG;
- tty.c_cflag &= ~(CSIZE|PARENB);
- tty.c_cflag |= CS8;
- tty.c_cc[VMIN] = 1;
- tty.c_cc[VTIME] = 0;
+ s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL,
+ OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
+ if (s->hcom == INVALID_HANDLE_VALUE) {
+ fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
+ s->hcom = NULL;
+ goto fail;
+ }
- tcsetattr (0, TCSANOW, &tty);
+ if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
+ fprintf(stderr, "Failed SetupComm\n");
+ goto fail;
+ }
+
+ ZeroMemory(&comcfg, sizeof(COMMCONFIG));
+ size = sizeof(COMMCONFIG);
+ GetDefaultCommConfig(filename, &comcfg, &size);
+ comcfg.dcb.DCBlength = sizeof(DCB);
+ CommConfigDialog(filename, NULL, &comcfg);
+
+ if (!SetCommState(s->hcom, &comcfg.dcb)) {
+ fprintf(stderr, "Failed SetCommState\n");
+ goto fail;
+ }
- atexit(term_exit);
+ if (!SetCommMask(s->hcom, EV_ERR)) {
+ fprintf(stderr, "Failed SetCommMask\n");
+ goto fail;
+ }
- fcntl(0, F_SETFL, O_NONBLOCK);
+ cto.ReadIntervalTimeout = MAXDWORD;
+ if (!SetCommTimeouts(s->hcom, &cto)) {
+ fprintf(stderr, "Failed SetCommTimeouts\n");
+ goto fail;
+ }
+
+ if (!ClearCommError(s->hcom, &err, &comstat)) {
+ fprintf(stderr, "Failed ClearCommError\n");
+ goto fail;
+ }
+ qemu_add_polling_cb(win_chr_poll, s);
+ return 0;
+
+ fail:
+ win_chr_close2(s);
+ return -1;
}
-static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
+static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1)
{
+ WinCharState *s = chr->opaque;
+ DWORD len, ret, size, err;
+
+ len = len1;
+ ZeroMemory(&s->osend, sizeof(s->osend));
+ s->osend.hEvent = s->hsend;
+ while (len > 0) {
+ if (s->hsend)
+ ret = WriteFile(s->hcom, buf, len, &size, &s->osend);
+ else
+ ret = WriteFile(s->hcom, buf, len, &size, NULL);
+ if (!ret) {
+ err = GetLastError();
+ if (err == ERROR_IO_PENDING) {
+ ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE);
+ if (ret) {
+ buf += size;
+ len -= size;
+ } else {
+ break;
+ }
+ } else {
+ break;
+ }
+ } else {
+ buf += size;
+ len -= size;
+ }
+ }
+ return len1 - len;
}
-static void dumb_resize(DisplayState *ds, int w, int h)
+static int win_chr_read_poll(WinCharState *s)
+{
+ s->max_size = s->fd_can_read(s->win_opaque);
+ return s->max_size;
+}
+
+static void win_chr_readfile(WinCharState *s)
{
+ int ret, err;
+ uint8_t buf[1024];
+ DWORD size;
+
+ ZeroMemory(&s->orecv, sizeof(s->orecv));
+ s->orecv.hEvent = s->hrecv;
+ ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv);
+ if (!ret) {
+ err = GetLastError();
+ if (err == ERROR_IO_PENDING) {
+ ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE);
+ }
+ }
+
+ if (size > 0) {
+ s->fd_read(s->win_opaque, buf, size);
+ }
}
-static void dumb_refresh(DisplayState *ds)
+static void win_chr_read(WinCharState *s)
{
- vga_update_display();
+ if (s->len > s->max_size)
+ s->len = s->max_size;
+ if (s->len == 0)
+ return;
+
+ win_chr_readfile(s);
}
-void dumb_display_init(DisplayState *ds)
+static int win_chr_poll(void *opaque)
{
- ds->data = NULL;
- ds->linesize = 0;
- ds->depth = 0;
- ds->dpy_update = dumb_update;
- ds->dpy_resize = dumb_resize;
- ds->dpy_refresh = dumb_refresh;
+ WinCharState *s = opaque;
+ COMSTAT status;
+ DWORD comerr;
+
+ ClearCommError(s->hcom, &comerr, &status);
+ if (status.cbInQue > 0) {
+ s->len = status.cbInQue;
+ win_chr_read_poll(s);
+ win_chr_read(s);
+ return 1;
+ }
+ return 0;
}
-#if !defined(CONFIG_SOFTMMU)
-/***********************************************************/
-/* cpu signal handler */
-static void host_segv_handler(int host_signum, siginfo_t *info,
- void *puc)
+static void win_chr_add_read_handler(CharDriverState *chr,
+ IOCanRWHandler *fd_can_read,
+ IOReadHandler *fd_read, void *opaque)
{
- if (cpu_signal_handler(host_signum, info, puc))
- return;
- term_exit();
- abort();
+ WinCharState *s = chr->opaque;
+
+ s->fd_can_read = fd_can_read;
+ s->fd_read = fd_read;
+ s->win_opaque = opaque;
}
-#endif
-static int timer_irq_pending;
-static int timer_irq_count;
+CharDriverState *qemu_chr_open_win(const char *filename)
+{
+ CharDriverState *chr;
+ WinCharState *s;
+
+ chr = qemu_mallocz(sizeof(CharDriverState));
+ if (!chr)
+ return NULL;
+ s = qemu_mallocz(sizeof(WinCharState));
+ if (!s) {
+ free(chr);
+ return NULL;
+ }
+ chr->opaque = s;
+ chr->chr_write = win_chr_write;
+ chr->chr_add_read_handler = win_chr_add_read_handler;
+ chr->chr_close = win_chr_close;
+
+ if (win_chr_init(s, filename) < 0) {
+ free(s);
+ free(chr);
+ return NULL;
+ }
+ return chr;
+}
-static int timer_ms;
-static int gui_refresh_pending, gui_refresh_count;
+static int win_chr_pipe_poll(void *opaque)
+{
+ WinCharState *s = opaque;
+ DWORD size;
+
+ PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL);
+ if (size > 0) {
+ s->len = size;
+ win_chr_read_poll(s);
+ win_chr_read(s);
+ return 1;
+ }
+ return 0;
+}
-static void host_alarm_handler(int host_signum, siginfo_t *info,
- void *puc)
+static int win_chr_pipe_init(WinCharState *s, const char *filename)
{
- /* NOTE: since usually the OS asks a 100 Hz clock, there can be
- some drift between cpu_get_ticks() and the interrupt time. So
- we queue some interrupts to avoid missing some */
- timer_irq_count += pit_get_out_edges(&pit_channels[0]);
- if (timer_irq_count) {
- if (timer_irq_count > 2)
- timer_irq_count = 2;
- timer_irq_count--;
- timer_irq_pending = 1;
+ OVERLAPPED ov;
+ int ret;
+ DWORD size;
+ char openname[256];
+
+ s->fpipe = TRUE;
+
+ s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
+ if (!s->hsend) {
+ fprintf(stderr, "Failed CreateEvent\n");
+ goto fail;
}
- gui_refresh_count += timer_ms;
- if (gui_refresh_count >= GUI_REFRESH_INTERVAL) {
- gui_refresh_count = 0;
- gui_refresh_pending = 1;
+ s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
+ if (!s->hrecv) {
+ fprintf(stderr, "Failed CreateEvent\n");
+ goto fail;
+ }
+
+ snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename);
+ s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
+ PIPE_TYPE_BYTE | PIPE_READMODE_BYTE |
+ PIPE_WAIT,
+ MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
+ if (s->hcom == INVALID_HANDLE_VALUE) {
+ fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
+ s->hcom = NULL;
+ goto fail;
}
- /* XXX: seems dangerous to run that here. */
- DMA_run();
- SB16_run();
+ ZeroMemory(&ov, sizeof(ov));
+ ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
+ ret = ConnectNamedPipe(s->hcom, &ov);
+ if (ret) {
+ fprintf(stderr, "Failed ConnectNamedPipe\n");
+ goto fail;
+ }
+
+ ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE);
+ if (!ret) {
+ fprintf(stderr, "Failed GetOverlappedResult\n");
+ if (ov.hEvent) {
+ CloseHandle(ov.hEvent);
+ ov.hEvent = NULL;
+ }
+ goto fail;
+ }
- if (gui_refresh_pending || timer_irq_pending) {
- /* just exit from the cpu to have a chance to handle timers */
- cpu_interrupt(global_env, CPU_INTERRUPT_EXIT);
+ if (ov.hEvent) {
+ CloseHandle(ov.hEvent);
+ ov.hEvent = NULL;
}
+ qemu_add_polling_cb(win_chr_pipe_poll, s);
+ return 0;
+
+ fail:
+ win_chr_close2(s);
+ return -1;
}
-#ifdef CONFIG_SOFTMMU
-void *get_mmap_addr(unsigned long size)
+
+CharDriverState *qemu_chr_open_win_pipe(const char *filename)
{
- return NULL;
+ CharDriverState *chr;
+ WinCharState *s;
+
+ chr = qemu_mallocz(sizeof(CharDriverState));
+ if (!chr)
+ return NULL;
+ s = qemu_mallocz(sizeof(WinCharState));
+ if (!s) {
+ free(chr);
+ return NULL;
+ }
+ chr->opaque = s;
+ chr->chr_write = win_chr_write;
+ chr->chr_add_read_handler = win_chr_add_read_handler;
+ chr->chr_close = win_chr_close;
+
+ if (win_chr_pipe_init(s, filename) < 0) {
+ free(s);
+ free(chr);
+ return NULL;
+ }
+ return chr;
}
-#else
-unsigned long mmap_addr = PHYS_RAM_BASE;
-void *get_mmap_addr(unsigned long size)
+CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
{
- unsigned long addr;
- addr = mmap_addr;
- mmap_addr += ((size + 4095) & ~4095) + 4096;
- return (void *)addr;
+ CharDriverState *chr;
+ WinCharState *s;
+
+ chr = qemu_mallocz(sizeof(CharDriverState));
+ if (!chr)
+ return NULL;
+ s = qemu_mallocz(sizeof(WinCharState));
+ if (!s) {
+ free(chr);
+ return NULL;
+ }
+ s->hcom = fd_out;
+ chr->opaque = s;
+ chr->chr_write = win_chr_write;
+ chr->chr_add_read_handler = win_chr_add_read_handler;
+ return chr;
}
-#endif
-
-/* main execution loop */
-
-CPUState *cpu_gdbstub_get_env(void *opaque)
+
+CharDriverState *qemu_chr_open_win_file_out(const char *file_out)
{
- return global_env;
+ HANDLE fd_out;
+
+ fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
+ OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
+ if (fd_out == INVALID_HANDLE_VALUE)
+ return NULL;
+
+ return qemu_chr_open_win_file(fd_out);
}
+#endif
-int main_loop(void *opaque)
+CharDriverState *qemu_chr_open(const char *filename)
{
- struct pollfd ufds[3], *pf, *serial_ufd, *gdb_ufd;
-#if defined (TARGET_I386)
- struct pollfd *net_ufd;
+ const char *p;
+
+ if (!strcmp(filename, "vc")) {
+ return text_console_init(&display_state);
+ } else if (!strcmp(filename, "null")) {
+ return qemu_chr_open_null();
+ } else
+#ifndef _WIN32
+ if (strstart(filename, "file:", &p)) {
+ return qemu_chr_open_file_out(p);
+ } else if (strstart(filename, "pipe:", &p)) {
+ return qemu_chr_open_pipe(p);
+ } else if (!strcmp(filename, "pty")) {
+ return qemu_chr_open_pty();
+ } else if (!strcmp(filename, "stdio")) {
+ return qemu_chr_open_stdio();
+ } else
#endif
- int ret, n, timeout, serial_ok;
- uint8_t ch;
- CPUState *env = global_env;
-
- if (!term_inited) {
- /* initialize terminal only there so that the user has a
- chance to stop QEMU with Ctrl-C before the gdb connection
- is launched */
- term_inited = 1;
- term_init();
+#if defined(__linux__)
+ if (strstart(filename, "/dev/parport", NULL)) {
+ return qemu_chr_open_pp(filename);
+ } else
+ if (strstart(filename, "/dev/", NULL)) {
+ return qemu_chr_open_tty(filename);
+ } else
+#endif
+#ifdef _WIN32
+ if (strstart(filename, "COM", NULL)) {
+ return qemu_chr_open_win(filename);
+ } else
+ if (strstart(filename, "pipe:", &p)) {
+ return qemu_chr_open_win_pipe(p);
+ } else
+ if (strstart(filename, "file:", &p)) {
+ return qemu_chr_open_win_file_out(p);
+ }
+#endif
+ {
+ return NULL;
+ }
+}
+
+void qemu_chr_close(CharDriverState *chr)
+{
+ if (chr->chr_close)
+ chr->chr_close(chr);
+}
+
+/***********************************************************/
+/* network device redirectors */
+
+void hex_dump(FILE *f, const uint8_t *buf, int size)
+{
+ int len, i, j, c;
+
+ for(i=0;i<size;i+=16) {
+ len = size - i;
+ if (len > 16)
+ len = 16;
+ fprintf(f, "%08x ", i);
+ for(j=0;j<16;j++) {
+ if (j < len)
+ fprintf(f, " %02x", buf[i+j]);
+ else
+ fprintf(f, " ");
+ }
+ fprintf(f, " ");
+ for(j=0;j<len;j++) {
+ c = buf[i+j];
+ if (c < ' ' || c > '~')
+ c = '.';
+ fprintf(f, "%c", c);
+ }
+ fprintf(f, "\n");
+ }
+}
+
+static int parse_macaddr(uint8_t *macaddr, const char *p)
+{
+ int i;
+ for(i = 0; i < 6; i++) {
+ macaddr[i] = strtol(p, (char **)&p, 16);
+ if (i == 5) {
+ if (*p != '\0')
+ return -1;
+ } else {
+ if (*p != ':')
+ return -1;
+ p++;
+ }
+ }
+ return 0;
+}
+
+static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
+{
+ const char *p, *p1;
+ int len;
+ p = *pp;
+ p1 = strchr(p, sep);
+ if (!p1)
+ return -1;
+ len = p1 - p;
+ p1++;
+ if (buf_size > 0) {
+ if (len > buf_size - 1)
+ len = buf_size - 1;
+ memcpy(buf, p, len);
+ buf[len] = '\0';
+ }
+ *pp = p1;
+ return 0;
+}
+
+int parse_host_port(struct sockaddr_in *saddr, const char *str)
+{
+ char buf[512];
+ struct hostent *he;
+ const char *p, *r;
+ int port;
+
+ p = str;
+ if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
+ return -1;
+ saddr->sin_family = AF_INET;
+ if (buf[0] == '\0') {
+ saddr->sin_addr.s_addr = 0;
+ } else {
+ if (isdigit(buf[0])) {
+ if (!inet_aton(buf, &saddr->sin_addr))
+ return -1;
+ } else {
+ if ((he = gethostbyname(buf)) == NULL)
+ return - 1;
+ saddr->sin_addr = *(struct in_addr *)he->h_addr;
+ }
+ }
+ port = strtol(p, (char **)&r, 0);
+ if (r == p)
+ return -1;
+ saddr->sin_port = htons(port);
+ return 0;
+}
+
+/* find or alloc a new VLAN */
+VLANState *qemu_find_vlan(int id)
+{
+ VLANState **pvlan, *vlan;
+ for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
+ if (vlan->id == id)
+ return vlan;
+ }
+ vlan = qemu_mallocz(sizeof(VLANState));
+ if (!vlan)
+ return NULL;
+ vlan->id = id;
+ vlan->next = NULL;
+ pvlan = &first_vlan;
+ while (*pvlan != NULL)
+ pvlan = &(*pvlan)->next;
+ *pvlan = vlan;
+ return vlan;
+}
+
+VLANClientState *qemu_new_vlan_client(VLANState *vlan,
+ IOReadHandler *fd_read,
+ IOCanRWHandler *fd_can_read,
+ void *opaque)
+{
+ VLANClientState *vc, **pvc;
+ vc = qemu_mallocz(sizeof(VLANClientState));
+ if (!vc)
+ return NULL;
+ vc->fd_read = fd_read;
+ vc->fd_can_read = fd_can_read;
+ vc->opaque = opaque;
+ vc->vlan = vlan;
+
+ vc->next = NULL;
+ pvc = &vlan->first_client;
+ while (*pvc != NULL)
+ pvc = &(*pvc)->next;
+ *pvc = vc;
+ return vc;
+}
+
+int qemu_can_send_packet(VLANClientState *vc1)
+{
+ VLANState *vlan = vc1->vlan;
+ VLANClientState *vc;
+
+ for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
+ if (vc != vc1) {
+ if (vc->fd_can_read && !vc->fd_can_read(vc->opaque))
+ return 0;
+ }
+ }
+ return 1;
+}
+
+void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size)
+{
+ VLANState *vlan = vc1->vlan;
+ VLANClientState *vc;
+
+#if 0
+ printf("vlan %d send:\n", vlan->id);
+ hex_dump(stdout, buf, size);
+#endif
+ for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
+ if (vc != vc1) {
+ vc->fd_read(vc->opaque, buf, size);
+ }
+ }
+}
+
+#if defined(CONFIG_SLIRP)
+
+/* slirp network adapter */
+
+static int slirp_inited;
+static VLANClientState *slirp_vc;
+
+int slirp_can_output(void)
+{
+ return !slirp_vc || qemu_can_send_packet(slirp_vc);
+}
+
+void slirp_output(const uint8_t *pkt, int pkt_len)
+{
+#if 0
+ printf("slirp output:\n");
+ hex_dump(stdout, pkt, pkt_len);
+#endif
+ if (!slirp_vc)
+ return;
+ qemu_send_packet(slirp_vc, pkt, pkt_len);
+}
+
+static void slirp_receive(void *opaque, const uint8_t *buf, int size)
+{
+#if 0
+ printf("slirp input:\n");
+ hex_dump(stdout, buf, size);
+#endif
+ slirp_input(buf, size);
+}
+
+static int net_slirp_init(VLANState *vlan)
+{
+ if (!slirp_inited) {
+ slirp_inited = 1;
+ slirp_init();
+ }
+ slirp_vc = qemu_new_vlan_client(vlan,
+ slirp_receive, NULL, NULL);
+ snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector");
+ return 0;
+}
+
+static void net_slirp_redir(const char *redir_str)
+{
+ int is_udp;
+ char buf[256], *r;
+ const char *p;
+ struct in_addr guest_addr;
+ int host_port, guest_port;
+
+ if (!slirp_inited) {
+ slirp_inited = 1;
+ slirp_init();
+ }
+
+ p = redir_str;
+ if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
+ goto fail;
+ if (!strcmp(buf, "tcp")) {
+ is_udp = 0;
+ } else if (!strcmp(buf, "udp")) {
+ is_udp = 1;
+ } else {
+ goto fail;
+ }
+
+ if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
+ goto fail;
+ host_port = strtol(buf, &r, 0);
+ if (r == buf)
+ goto fail;
+
+ if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
+ goto fail;
+ if (buf[0] == '\0') {
+ pstrcpy(buf, sizeof(buf), "10.0.2.15");
+ }
+ if (!inet_aton(buf, &guest_addr))
+ goto fail;
+
+ guest_port = strtol(p, &r, 0);
+ if (r == p)
+ goto fail;
+
+ if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) {
+ fprintf(stderr, "qemu: could not set up redirection\n");
+ exit(1);
+ }
+ return;
+ fail:
+ fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
+ exit(1);
+}
+
+#ifndef _WIN32
+
+char smb_dir[1024];
+
+static void smb_exit(void)
+{
+ DIR *d;
+ struct dirent *de;
+ char filename[1024];
+
+ /* erase all the files in the directory */
+ d = opendir(smb_dir);
+ for(;;) {
+ de = readdir(d);
+ if (!de)
+ break;
+ if (strcmp(de->d_name, ".") != 0 &&
+ strcmp(de->d_name, "..") != 0) {
+ snprintf(filename, sizeof(filename), "%s/%s",
+ smb_dir, de->d_name);
+ unlink(filename);
+ }
+ }
+ closedir(d);
+ rmdir(smb_dir);
+}
+
+/* automatic user mode samba server configuration */
+void net_slirp_smb(const char *exported_dir)
+{
+ char smb_conf[1024];
+ char smb_cmdline[1024];
+ FILE *f;
+
+ if (!slirp_inited) {
+ slirp_inited = 1;
+ slirp_init();
+ }
+
+ /* XXX: better tmp dir construction */
+ snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid());
+ if (mkdir(smb_dir, 0700) < 0) {
+ fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
+ exit(1);
+ }
+ snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf");
+
+ f = fopen(smb_conf, "w");
+ if (!f) {
+ fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
+ exit(1);
+ }
+ fprintf(f,
+ "[global]\n"
+ "private dir=%s\n"
+ "smb ports=0\n"
+ "socket address=127.0.0.1\n"
+ "pid directory=%s\n"
+ "lock directory=%s\n"
+ "log file=%s/log.smbd\n"
+ "smb passwd file=%s/smbpasswd\n"
+ "security = share\n"
+ "[qemu]\n"
+ "path=%s\n"
+ "read only=no\n"
+ "guest ok=yes\n",
+ smb_dir,
+ smb_dir,
+ smb_dir,
+ smb_dir,
+ smb_dir,
+ exported_dir
+ );
+ fclose(f);
+ atexit(smb_exit);
+
+ snprintf(smb_cmdline, sizeof(smb_cmdline), "/usr/sbin/smbd -s %s",
+ smb_conf);
+
+ slirp_add_exec(0, smb_cmdline, 4, 139);
+}
+
+#endif /* !defined(_WIN32) */
+
+#endif /* CONFIG_SLIRP */
+
+#if !defined(_WIN32)
+
+typedef struct TAPState {
+ VLANClientState *vc;
+ int fd;
+} TAPState;
+
+static void tap_receive(void *opaque, const uint8_t *buf, int size)
+{
+ TAPState *s = opaque;
+ int ret;
+ for(;;) {
+ ret = write(s->fd, buf, size);
+ if (ret < 0 && (errno == EINTR || errno == EAGAIN)) {
+ } else {
+ break;
+ }
+ }
+}
+
+static void tap_send(void *opaque)
+{
+ TAPState *s = opaque;
+ uint8_t buf[4096];
+ int size;
+
+ size = read(s->fd, buf, sizeof(buf));
+ if (size > 0) {
+ qemu_send_packet(s->vc, buf, size);
+ }
+}
+
+/* fd support */
+
+static TAPState *net_tap_fd_init(VLANState *vlan, int fd)
+{
+ TAPState *s;
+
+ s = qemu_mallocz(sizeof(TAPState));
+ if (!s)
+ return NULL;
+ s->fd = fd;
+ s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s);
+ qemu_set_fd_handler(s->fd, tap_send, NULL, s);
+ snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd);
+ return s;
+}
+
+#ifdef _BSD
+static int tap_open(char *ifname, int ifname_size)
+{
+ int fd;
+ char *dev;
+ struct stat s;
+
+ fd = open("/dev/tap", O_RDWR);
+ if (fd < 0) {
+ fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
+ return -1;
+ }
+
+ fstat(fd, &s);
+ dev = devname(s.st_rdev, S_IFCHR);
+ pstrcpy(ifname, ifname_size, dev);
+
+ fcntl(fd, F_SETFL, O_NONBLOCK);
+ return fd;
+}
+#elif defined(__sun__)
+static int tap_open(char *ifname, int ifname_size)
+{
+ fprintf(stderr, "warning: tap_open not yet implemented\n");
+ return -1;
+}
+#else
+static int tap_open(char *ifname, int ifname_size)
+{
+ struct ifreq ifr;
+ int fd, ret;
+
+ fd = open("/dev/net/tun", O_RDWR);
+ if (fd < 0) {
+ fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
+ return -1;
+ }
+ memset(&ifr, 0, sizeof(ifr));
+ ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
+ if (ifname[0] != '\0')
+ pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname);
+ else
+ pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
+ ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
+ if (ret != 0) {
+ fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
+ close(fd);
+ return -1;
+ }
+ pstrcpy(ifname, ifname_size, ifr.ifr_name);
+ fcntl(fd, F_SETFL, O_NONBLOCK);
+ return fd;
+}
+#endif
+
+static int net_tap_init(VLANState *vlan, const char *ifname1,
+ const char *setup_script)
+{
+ TAPState *s;
+ int pid, status, fd;
+ char *args[3];
+ char **parg;
+ char ifname[128];
+
+ if (ifname1 != NULL)
+ pstrcpy(ifname, sizeof(ifname), ifname1);
+ else
+ ifname[0] = '\0';
+ fd = tap_open(ifname, sizeof(ifname));
+ if (fd < 0)
+ return -1;
+
+ if (!setup_script)
+ setup_script = "";
+ if (setup_script[0] != '\0') {
+ /* try to launch network init script */
+ pid = fork();
+ if (pid >= 0) {
+ if (pid == 0) {
+ parg = args;
+ *parg++ = (char *)setup_script;
+ *parg++ = ifname;
+ *parg++ = NULL;
+ execv(setup_script, args);
+ _exit(1);
+ }
+ while (waitpid(pid, &status, 0) != pid);
+ if (!WIFEXITED(status) ||
+ WEXITSTATUS(status) != 0) {
+ fprintf(stderr, "%s: could not launch network script\n",
+ setup_script);
+ return -1;
+ }
+ }
+ }
+ s = net_tap_fd_init(vlan, fd);
+ if (!s)
+ return -1;
+ snprintf(s->vc->info_str, sizeof(s->vc->info_str),
+ "tap: ifname=%s setup_script=%s", ifname, setup_script);
+ return 0;
+}
+
+#endif /* !_WIN32 */
+
+/* network connection */
+typedef struct NetSocketState {
+ VLANClientState *vc;
+ int fd;
+ int state; /* 0 = getting length, 1 = getting data */
+ int index;
+ int packet_len;
+ uint8_t buf[4096];
+ struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
+} NetSocketState;
+
+typedef struct NetSocketListenState {
+ VLANState *vlan;
+ int fd;
+} NetSocketListenState;
+
+/* XXX: we consider we can send the whole packet without blocking */
+static void net_socket_receive(void *opaque, const uint8_t *buf, int size)
+{
+ NetSocketState *s = opaque;
+ uint32_t len;
+ len = htonl(size);
+
+ send_all(s->fd, (const uint8_t *)&len, sizeof(len));
+ send_all(s->fd, buf, size);
+}
+
+static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size)
+{
+ NetSocketState *s = opaque;
+ sendto(s->fd, buf, size, 0,
+ (struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst));
+}
+
+static void net_socket_send(void *opaque)
+{
+ NetSocketState *s = opaque;
+ int l, size, err;
+ uint8_t buf1[4096];
+ const uint8_t *buf;
+
+ size = recv(s->fd, buf1, sizeof(buf1), 0);
+ if (size < 0) {
+ err = socket_error();
+ if (err != EWOULDBLOCK)
+ goto eoc;
+ } else if (size == 0) {
+ /* end of connection */
+ eoc:
+ qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
+ closesocket(s->fd);
+ return;
+ }
+ buf = buf1;
+ while (size > 0) {
+ /* reassemble a packet from the network */
+ switch(s->state) {
+ case 0:
+ l = 4 - s->index;
+ if (l > size)
+ l = size;
+ memcpy(s->buf + s->index, buf, l);
+ buf += l;
+ size -= l;
+ s->index += l;
+ if (s->index == 4) {
+ /* got length */
+ s->packet_len = ntohl(*(uint32_t *)s->buf);
+ s->index = 0;
+ s->state = 1;
+ }
+ break;
+ case 1:
+ l = s->packet_len - s->index;
+ if (l > size)
+ l = size;
+ memcpy(s->buf + s->index, buf, l);
+ s->index += l;
+ buf += l;
+ size -= l;
+ if (s->index >= s->packet_len) {
+ qemu_send_packet(s->vc, s->buf, s->packet_len);
+ s->index = 0;
+ s->state = 0;
+ }
+ break;
+ }
+ }
+}
+
+static void net_socket_send_dgram(void *opaque)
+{
+ NetSocketState *s = opaque;
+ int size;
+
+ size = recv(s->fd, s->buf, sizeof(s->buf), 0);
+ if (size < 0)
+ return;
+ if (size == 0) {
+ /* end of connection */
+ qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
+ return;
+ }
+ qemu_send_packet(s->vc, s->buf, size);
+}
+
+static int net_socket_mcast_create(struct sockaddr_in *mcastaddr)
+{
+ struct ip_mreq imr;
+ int fd;
+ int val, ret;
+ if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
+ fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
+ inet_ntoa(mcastaddr->sin_addr),
+ (int)ntohl(mcastaddr->sin_addr.s_addr));
+ return -1;
+
+ }
+ fd = socket(PF_INET, SOCK_DGRAM, 0);
+ if (fd < 0) {
+ perror("socket(PF_INET, SOCK_DGRAM)");
+ return -1;
+ }
+
+ val = 1;
+ ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
+ (const char *)&val, sizeof(val));
+ if (ret < 0) {
+ perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
+ goto fail;
+ }
+
+ ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr));
+ if (ret < 0) {
+ perror("bind");
+ goto fail;
+ }
+
+ /* Add host to multicast group */
+ imr.imr_multiaddr = mcastaddr->sin_addr;
+ imr.imr_interface.s_addr = htonl(INADDR_ANY);
+
+ ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
+ (const char *)&imr, sizeof(struct ip_mreq));
+ if (ret < 0) {
+ perror("setsockopt(IP_ADD_MEMBERSHIP)");
+ goto fail;
+ }
+
+ /* Force mcast msgs to loopback (eg. several QEMUs in same host */
+ val = 1;
+ ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP,
+ (const char *)&val, sizeof(val));
+ if (ret < 0) {
+ perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
+ goto fail;
+ }
+
+ socket_set_nonblock(fd);
+ return fd;
+fail:
+ if (fd>=0) close(fd);
+ return -1;
+}
+
+static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd,
+ int is_connected)
+{
+ struct sockaddr_in saddr;
+ int newfd;
+ socklen_t saddr_len;
+ NetSocketState *s;
+
+ /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
+ * Because this may be "shared" socket from a "master" process, datagrams would be recv()
+ * by ONLY ONE process: we must "clone" this dgram socket --jjo
+ */
+
+ if (is_connected) {
+ if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) {
+ /* must be bound */
+ if (saddr.sin_addr.s_addr==0) {
+ fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
+ fd);
+ return NULL;
+ }
+ /* clone dgram socket */
+ newfd = net_socket_mcast_create(&saddr);
+ if (newfd < 0) {
+ /* error already reported by net_socket_mcast_create() */
+ close(fd);
+ return NULL;
+ }
+ /* clone newfd to fd, close newfd */
+ dup2(newfd, fd);
+ close(newfd);
+
+ } else {
+ fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
+ fd, strerror(errno));
+ return NULL;
+ }
+ }
+
+ s = qemu_mallocz(sizeof(NetSocketState));
+ if (!s)
+ return NULL;
+ s->fd = fd;
+
+ s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s);
+ qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
+
+ /* mcast: save bound address as dst */
+ if (is_connected) s->dgram_dst=saddr;
+
+ snprintf(s->vc->info_str, sizeof(s->vc->info_str),
+ "socket: fd=%d (%s mcast=%s:%d)",
+ fd, is_connected? "cloned" : "",
+ inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
+ return s;
+}
+
+static void net_socket_connect(void *opaque)
+{
+ NetSocketState *s = opaque;
+ qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
+}
+
+static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd,
+ int is_connected)
+{
+ NetSocketState *s;
+ s = qemu_mallocz(sizeof(NetSocketState));
+ if (!s)
+ return NULL;
+ s->fd = fd;
+ s->vc = qemu_new_vlan_client(vlan,
+ net_socket_receive, NULL, s);
+ snprintf(s->vc->info_str, sizeof(s->vc->info_str),
+ "socket: fd=%d", fd);
+ if (is_connected) {
+ net_socket_connect(s);
+ } else {
+ qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
+ }
+ return s;
+}
+
+static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd,
+ int is_connected)
+{
+ int so_type=-1, optlen=sizeof(so_type);
+
+ if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, &optlen)< 0) {
+ fprintf(stderr, "qemu: error: setsockopt(SO_TYPE) for fd=%d failed\n", fd);
+ return NULL;
+ }
+ switch(so_type) {
+ case SOCK_DGRAM:
+ return net_socket_fd_init_dgram(vlan, fd, is_connected);
+ case SOCK_STREAM:
+ return net_socket_fd_init_stream(vlan, fd, is_connected);
+ default:
+ /* who knows ... this could be a eg. a pty, do warn and continue as stream */
+ fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
+ return net_socket_fd_init_stream(vlan, fd, is_connected);
+ }
+ return NULL;
+}
+
+static void net_socket_accept(void *opaque)
+{
+ NetSocketListenState *s = opaque;
+ NetSocketState *s1;
+ struct sockaddr_in saddr;
+ socklen_t len;
+ int fd;
+
+ for(;;) {
+ len = sizeof(saddr);
+ fd = accept(s->fd, (struct sockaddr *)&saddr, &len);
+ if (fd < 0 && errno != EINTR) {
+ return;
+ } else if (fd >= 0) {
+ break;
+ }
+ }
+ s1 = net_socket_fd_init(s->vlan, fd, 1);
+ if (!s1) {
+ close(fd);
+ } else {
+ snprintf(s1->vc->info_str, sizeof(s1->vc->info_str),
+ "socket: connection from %s:%d",
+ inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
+ }
+}
+
+static int net_socket_listen_init(VLANState *vlan, const char *host_str)
+{
+ NetSocketListenState *s;
+ int fd, val, ret;
+ struct sockaddr_in saddr;
+
+ if (parse_host_port(&saddr, host_str) < 0)
+ return -1;
+
+ s = qemu_mallocz(sizeof(NetSocketListenState));
+ if (!s)
+ return -1;
+
+ fd = socket(PF_INET, SOCK_STREAM, 0);
+ if (fd < 0) {
+ perror("socket");
+ return -1;
+ }
+ socket_set_nonblock(fd);
+
+ /* allow fast reuse */
+ val = 1;
+ setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
+
+ ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr));
+ if (ret < 0) {
+ perror("bind");
+ return -1;
+ }
+ ret = listen(fd, 0);
+ if (ret < 0) {
+ perror("listen");
+ return -1;
+ }
+ s->vlan = vlan;
+ s->fd = fd;
+ qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
+ return 0;
+}
+
+static int net_socket_connect_init(VLANState *vlan, const char *host_str)
+{
+ NetSocketState *s;
+ int fd, connected, ret, err;
+ struct sockaddr_in saddr;
+
+ if (parse_host_port(&saddr, host_str) < 0)
+ return -1;
+
+ fd = socket(PF_INET, SOCK_STREAM, 0);
+ if (fd < 0) {
+ perror("socket");
+ return -1;
+ }
+ socket_set_nonblock(fd);
+
+ connected = 0;
+ for(;;) {
+ ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr));
+ if (ret < 0) {
+ err = socket_error();
+ if (err == EINTR || err == EWOULDBLOCK) {
+ } else if (err == EINPROGRESS) {
+ break;
+ } else {
+ perror("connect");
+ closesocket(fd);
+ return -1;
+ }
+ } else {
+ connected = 1;
+ break;
+ }
+ }
+ s = net_socket_fd_init(vlan, fd, connected);
+ if (!s)
+ return -1;
+ snprintf(s->vc->info_str, sizeof(s->vc->info_str),
+ "socket: connect to %s:%d",
+ inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
+ return 0;
+}
+
+static int net_socket_mcast_init(VLANState *vlan, const char *host_str)
+{
+ NetSocketState *s;
+ int fd;
+ struct sockaddr_in saddr;
+
+ if (parse_host_port(&saddr, host_str) < 0)
+ return -1;
+
+
+ fd = net_socket_mcast_create(&saddr);
+ if (fd < 0)
+ return -1;
+
+ s = net_socket_fd_init(vlan, fd, 0);
+ if (!s)
+ return -1;
+
+ s->dgram_dst = saddr;
+
+ snprintf(s->vc->info_str, sizeof(s->vc->info_str),
+ "socket: mcast=%s:%d",
+ inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
+ return 0;
+
+}
+
+static int get_param_value(char *buf, int buf_size,
+ const char *tag, const char *str)
+{
+ const char *p;
+ char *q;
+ char option[128];
+
+ p = str;
+ for(;;) {
+ q = option;
+ while (*p != '\0' && *p != '=') {
+ if ((q - option) < sizeof(option) - 1)
+ *q++ = *p;
+ p++;
+ }
+ *q = '\0';
+ if (*p != '=')
+ break;
+ p++;
+ if (!strcmp(tag, option)) {
+ q = buf;
+ while (*p != '\0' && *p != ',') {
+ if ((q - buf) < buf_size - 1)
+ *q++ = *p;
+ p++;
+ }
+ *q = '\0';
+ return q - buf;
+ } else {
+ while (*p != '\0' && *p != ',') {
+ p++;
+ }
+ }
+ if (*p != ',')
+ break;
+ p++;
+ }
+ return 0;
+}
+
+int net_client_init(const char *str)
+{
+ const char *p;
+ char *q;
+ char device[64];
+ char buf[1024];
+ int vlan_id, ret;
+ VLANState *vlan;
+
+ p = str;
+ q = device;
+ while (*p != '\0' && *p != ',') {
+ if ((q - device) < sizeof(device) - 1)
+ *q++ = *p;
+ p++;
+ }
+ *q = '\0';
+ if (*p == ',')
+ p++;
+ vlan_id = 0;
+ if (get_param_value(buf, sizeof(buf), "vlan", p)) {
+ vlan_id = strtol(buf, NULL, 0);
+ }
+ vlan = qemu_find_vlan(vlan_id);
+ if (!vlan) {
+ fprintf(stderr, "Could not create vlan %d\n", vlan_id);
+ return -1;
+ }
+ if (!strcmp(device, "nic")) {
+ NICInfo *nd;
+ uint8_t *macaddr;
+
+ if (nb_nics >= MAX_NICS) {
+ fprintf(stderr, "Too Many NICs\n");
+ return -1;
+ }
+ nd = &nd_table[nb_nics];
+ macaddr = nd->macaddr;
+ macaddr[0] = 0x52;
+ macaddr[1] = 0x54;
+ macaddr[2] = 0x00;
+ macaddr[3] = 0x12;
+ macaddr[4] = 0x34;
+ macaddr[5] = 0x56 + nb_nics;
+
+ if (get_param_value(buf, sizeof(buf), "macaddr", p)) {
+ if (parse_macaddr(macaddr, buf) < 0) {
+ fprintf(stderr, "invalid syntax for ethernet address\n");
+ return -1;
+ }
+ }
+ if (get_param_value(buf, sizeof(buf), "model", p)) {
+ nd->model = strdup(buf);
+ }
+ nd->vlan = vlan;
+ nb_nics++;
+ ret = 0;
+ } else
+ if (!strcmp(device, "none")) {
+ /* does nothing. It is needed to signal that no network cards
+ are wanted */
+ ret = 0;
+ } else
+#ifdef CONFIG_SLIRP
+ if (!strcmp(device, "user")) {
+ if (get_param_value(buf, sizeof(buf), "hostname", p)) {
+ pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf);
+ }
+ ret = net_slirp_init(vlan);
+ } else
+#endif
+#ifdef _WIN32
+ if (!strcmp(device, "tap")) {
+ char ifname[64];
+ if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
+ fprintf(stderr, "tap: no interface name\n");
+ return -1;
+ }
+ ret = tap_win32_init(vlan, ifname);
+ } else
+#else
+ if (!strcmp(device, "tap")) {
+ char ifname[64];
+ char setup_script[1024];
+ int fd;
+ if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
+ fd = strtol(buf, NULL, 0);
+ ret = -1;
+ if (net_tap_fd_init(vlan, fd))
+ ret = 0;
+ } else {
+ get_param_value(ifname, sizeof(ifname), "ifname", p);
+ if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) {
+ pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
+ }
+ ret = net_tap_init(vlan, ifname, setup_script);
+ }
+ } else
+#endif
+ if (!strcmp(device, "socket")) {
+ if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
+ int fd;
+ fd = strtol(buf, NULL, 0);
+ ret = -1;
+ if (net_socket_fd_init(vlan, fd, 1))
+ ret = 0;
+ } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) {
+ ret = net_socket_listen_init(vlan, buf);
+ } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) {
+ ret = net_socket_connect_init(vlan, buf);
+ } else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) {
+ ret = net_socket_mcast_init(vlan, buf);
+ } else {
+ fprintf(stderr, "Unknown socket options: %s\n", p);
+ return -1;
+ }
+ } else
+ {
+ fprintf(stderr, "Unknown network device: %s\n", device);
+ return -1;
+ }
+ if (ret < 0) {
+ fprintf(stderr, "Could not initialize device '%s'\n", device);
+ }
+
+ return ret;
+}
+
+void do_info_network(void)
+{
+ VLANState *vlan;
+ VLANClientState *vc;
+
+ for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
+ term_printf("VLAN %d devices:\n", vlan->id);
+ for(vc = vlan->first_client; vc != NULL; vc = vc->next)
+ term_printf(" %s\n", vc->info_str);
+ }
+}
+
+/***********************************************************/
+/* USB devices */
+
+static USBPort *used_usb_ports;
+static USBPort *free_usb_ports;
+
+/* ??? Maybe change this to register a hub to keep track of the topology. */
+void qemu_register_usb_port(USBPort *port, void *opaque, int index,
+ usb_attachfn attach)
+{
+ port->opaque = opaque;
+ port->index = index;
+ port->attach = attach;
+ port->next = free_usb_ports;
+ free_usb_ports = port;
+}
+
+static int usb_device_add(const char *devname)
+{
+ const char *p;
+ USBDevice *dev;
+ USBPort *port;
+
+ if (!free_usb_ports)
+ return -1;
+
+ if (strstart(devname, "host:", &p)) {
+ dev = usb_host_device_open(p);
+ } else if (!strcmp(devname, "mouse")) {
+ dev = usb_mouse_init();
+ } else if (!strcmp(devname, "tablet")) {
+ dev = usb_tablet_init();
+ } else if (strstart(devname, "disk:", &p)) {
+ dev = usb_msd_init(p);
+ } else {
+ return -1;
+ }
+ if (!dev)
+ return -1;
+
+ /* Find a USB port to add the device to. */
+ port = free_usb_ports;
+ if (!port->next) {
+ USBDevice *hub;
+
+ /* Create a new hub and chain it on. */
+ free_usb_ports = NULL;
+ port->next = used_usb_ports;
+ used_usb_ports = port;
+
+ hub = usb_hub_init(VM_USB_HUB_SIZE);
+ usb_attach(port, hub);
+ port = free_usb_ports;
+ }
+
+ free_usb_ports = port->next;
+ port->next = used_usb_ports;
+ used_usb_ports = port;
+ usb_attach(port, dev);
+ return 0;
+}
+
+static int usb_device_del(const char *devname)
+{
+ USBPort *port;
+ USBPort **lastp;
+ int bus_num, addr;
+ const char *p;
+
+ if (!used_usb_ports)
+ return -1;
+
+ p = strchr(devname, '.');
+ if (!p)
+ return -1;
+ bus_num = strtoul(devname, NULL, 0);
+ addr = strtoul(p + 1, NULL, 0);
+ if (bus_num != 0)
+ return -1;
+
+ lastp = &used_usb_ports;
+ port = used_usb_ports;
+ while (port && port->dev->addr != addr) {
+ lastp = &port->next;
+ port = port->next;
+ }
+
+ if (!port)
+ return -1;
+
+ *lastp = port->next;
+ usb_attach(port, NULL);
+ port->next = free_usb_ports;
+ free_usb_ports = port;
+ return 0;
+}
+
+void do_usb_add(const char *devname)
+{
+ int ret;
+ ret = usb_device_add(devname);
+ if (ret < 0)
+ term_printf("Could not add USB device '%s'\n", devname);
+}
+
+void do_usb_del(const char *devname)
+{
+ int ret;
+ ret = usb_device_del(devname);
+ if (ret < 0)
+ term_printf("Could not remove USB device '%s'\n", devname);
+}
+
+void usb_info(void)
+{
+ USBDevice *dev;
+ USBPort *port;
+ const char *speed_str;
+
+ if (!usb_enabled) {
+ term_printf("USB support not enabled\n");
+ return;
+ }
+
+ for (port = used_usb_ports; port; port = port->next) {
+ dev = port->dev;
+ if (!dev)
+ continue;
+ switch(dev->speed) {
+ case USB_SPEED_LOW:
+ speed_str = "1.5";
+ break;
+ case USB_SPEED_FULL:
+ speed_str = "12";
+ break;
+ case USB_SPEED_HIGH:
+ speed_str = "480";
+ break;
+ default:
+ speed_str = "?";
+ break;
+ }
+ term_printf(" Device %d.%d, speed %s Mb/s\n",
+ 0, dev->addr, speed_str);
+ }
+}
+
+/***********************************************************/
+/* pid file */
+
+static char *pid_filename;
+
+/* Remove PID file. Called on normal exit */
+
+static void remove_pidfile(void)
+{
+ unlink (pid_filename);
+}
+
+static void create_pidfile(const char *filename)
+{
+ struct stat pidstat;
+ FILE *f;
+
+ /* Try to write our PID to the named file */
+ if (stat(filename, &pidstat) < 0) {
+ if (errno == ENOENT) {
+ if ((f = fopen (filename, "w")) == NULL) {
+ perror("Opening pidfile");
+ exit(1);
+ }
+ fprintf(f, "%d\n", getpid());
+ fclose(f);
+ pid_filename = qemu_strdup(filename);
+ if (!pid_filename) {
+ fprintf(stderr, "Could not save PID filename");
+ exit(1);
+ }
+ atexit(remove_pidfile);
+ }
+ } else {
+ fprintf(stderr, "%s already exists. Remove it and try again.\n",
+ filename);
+ exit(1);
+ }
+}
+
+/***********************************************************/
+/* dumb display */
+
+static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
+{
+}
+
+static void dumb_resize(DisplayState *ds, int w, int h)
+{
+}
+
+static void dumb_refresh(DisplayState *ds)
+{
+ vga_hw_update();
+}
+
+void dumb_display_init(DisplayState *ds)
+{
+ ds->data = NULL;
+ ds->linesize = 0;
+ ds->depth = 0;
+ ds->dpy_update = dumb_update;
+ ds->dpy_resize = dumb_resize;
+ ds->dpy_refresh = dumb_refresh;
+}
+
+#if !defined(CONFIG_SOFTMMU)
+/***********************************************************/
+/* cpu signal handler */
+static void host_segv_handler(int host_signum, siginfo_t *info,
+ void *puc)
+{
+ if (cpu_signal_handler(host_signum, info, puc))
+ return;
+ if (stdio_nb_clients > 0)
+ term_exit();
+ abort();
+}
+#endif
+
+/***********************************************************/
+/* I/O handling */
+
+#define MAX_IO_HANDLERS 64
+
+typedef struct IOHandlerRecord {
+ int fd;
+ IOCanRWHandler *fd_read_poll;
+ IOHandler *fd_read;
+ IOHandler *fd_write;
+ void *opaque;
+ /* temporary data */
+ struct pollfd *ufd;
+ struct IOHandlerRecord *next;
+} IOHandlerRecord;
+
+static IOHandlerRecord *first_io_handler;
+
+/* XXX: fd_read_poll should be suppressed, but an API change is
+ necessary in the character devices to suppress fd_can_read(). */
+int qemu_set_fd_handler2(int fd,
+ IOCanRWHandler *fd_read_poll,
+ IOHandler *fd_read,
+ IOHandler *fd_write,
+ void *opaque)
+{
+ IOHandlerRecord **pioh, *ioh;
+
+ if (!fd_read && !fd_write) {
+ pioh = &first_io_handler;
+ for(;;) {
+ ioh = *pioh;
+ if (ioh == NULL)
+ break;
+ if (ioh->fd == fd) {
+ *pioh = ioh->next;
+ qemu_free(ioh);
+ break;
+ }
+ pioh = &ioh->next;
+ }
+ } else {
+ for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
+ if (ioh->fd == fd)
+ goto found;
+ }
+ ioh = qemu_mallocz(sizeof(IOHandlerRecord));
+ if (!ioh)
+ return -1;
+ ioh->next = first_io_handler;
+ first_io_handler = ioh;
+ found:
+ ioh->fd = fd;
+ ioh->fd_read_poll = fd_read_poll;
+ ioh->fd_read = fd_read;
+ ioh->fd_write = fd_write;
+ ioh->opaque = opaque;
+ }
+ return 0;
+}
+
+int qemu_set_fd_handler(int fd,
+ IOHandler *fd_read,
+ IOHandler *fd_write,
+ void *opaque)
+{
+ return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
+}
+
+/***********************************************************/
+/* Polling handling */
+
+typedef struct PollingEntry {
+ PollingFunc *func;
+ void *opaque;
+ struct PollingEntry *next;
+} PollingEntry;
+
+static PollingEntry *first_polling_entry;
+
+int qemu_add_polling_cb(PollingFunc *func, void *opaque)
+{
+ PollingEntry **ppe, *pe;
+ pe = qemu_mallocz(sizeof(PollingEntry));
+ if (!pe)
+ return -1;
+ pe->func = func;
+ pe->opaque = opaque;
+ for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
+ *ppe = pe;
+ return 0;
+}
+
+void qemu_del_polling_cb(PollingFunc *func, void *opaque)
+{
+ PollingEntry **ppe, *pe;
+ for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
+ pe = *ppe;
+ if (pe->func == func && pe->opaque == opaque) {
+ *ppe = pe->next;
+ qemu_free(pe);
+ break;
+ }
+ }
+}
+
+/***********************************************************/
+/* savevm/loadvm support */
+
+void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
+{
+ fwrite(buf, 1, size, f);
+}
+
+void qemu_put_byte(QEMUFile *f, int v)
+{
+ fputc(v, f);
+}
+
+void qemu_put_be16(QEMUFile *f, unsigned int v)
+{
+ qemu_put_byte(f, v >> 8);
+ qemu_put_byte(f, v);
+}
+
+void qemu_put_be32(QEMUFile *f, unsigned int v)
+{
+ qemu_put_byte(f, v >> 24);
+ qemu_put_byte(f, v >> 16);
+ qemu_put_byte(f, v >> 8);
+ qemu_put_byte(f, v);
+}
+
+void qemu_put_be64(QEMUFile *f, uint64_t v)
+{
+ qemu_put_be32(f, v >> 32);
+ qemu_put_be32(f, v);
+}
+
+int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size)
+{
+ return fread(buf, 1, size, f);
+}
+
+int qemu_get_byte(QEMUFile *f)
+{
+ int v;
+ v = fgetc(f);
+ if (v == EOF)
+ return 0;
+ else
+ return v;
+}
+
+unsigned int qemu_get_be16(QEMUFile *f)
+{
+ unsigned int v;
+ v = qemu_get_byte(f) << 8;
+ v |= qemu_get_byte(f);
+ return v;
+}
+
+unsigned int qemu_get_be32(QEMUFile *f)
+{
+ unsigned int v;
+ v = qemu_get_byte(f) << 24;
+ v |= qemu_get_byte(f) << 16;
+ v |= qemu_get_byte(f) << 8;
+ v |= qemu_get_byte(f);
+ return v;
+}
+
+uint64_t qemu_get_be64(QEMUFile *f)
+{
+ uint64_t v;
+ v = (uint64_t)qemu_get_be32(f) << 32;
+ v |= qemu_get_be32(f);
+ return v;
+}
+
+int64_t qemu_ftell(QEMUFile *f)
+{
+ return ftell(f);
+}
+
+int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
+{
+ if (fseek(f, pos, whence) < 0)
+ return -1;
+ return ftell(f);
+}
+
+typedef struct SaveStateEntry {
+ char idstr[256];
+ int instance_id;
+ int version_id;
+ SaveStateHandler *save_state;
+ LoadStateHandler *load_state;
+ void *opaque;
+ struct SaveStateEntry *next;
+} SaveStateEntry;
+
+static SaveStateEntry *first_se;
+
+int register_savevm(const char *idstr,
+ int instance_id,
+ int version_id,
+ SaveStateHandler *save_state,
+ LoadStateHandler *load_state,
+ void *opaque)
+{
+ SaveStateEntry *se, **pse;
+
+ se = qemu_malloc(sizeof(SaveStateEntry));
+ if (!se)
+ return -1;
+ pstrcpy(se->idstr, sizeof(se->idstr), idstr);
+ se->instance_id = instance_id;
+ se->version_id = version_id;
+ se->save_state = save_state;
+ se->load_state = load_state;
+ se->opaque = opaque;
+ se->next = NULL;
+
+ /* add at the end of list */
+ pse = &first_se;
+ while (*pse != NULL)
+ pse = &(*pse)->next;
+ *pse = se;
+ return 0;
+}
+
+#define QEMU_VM_FILE_MAGIC 0x5145564d
+#define QEMU_VM_FILE_VERSION 0x00000001
+
+int qemu_savevm(const char *filename)
+{
+ SaveStateEntry *se;
+ QEMUFile *f;
+ int len, len_pos, cur_pos, saved_vm_running, ret;
+
+ saved_vm_running = vm_running;
+ vm_stop(0);
+
+ f = fopen(filename, "wb");
+ if (!f) {
+ ret = -1;
+ goto the_end;
+ }
+
+ qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
+ qemu_put_be32(f, QEMU_VM_FILE_VERSION);
+
+ for(se = first_se; se != NULL; se = se->next) {
+ /* ID string */
+ len = strlen(se->idstr);
+ qemu_put_byte(f, len);
+ qemu_put_buffer(f, se->idstr, len);
+
+ qemu_put_be32(f, se->instance_id);
+ qemu_put_be32(f, se->version_id);
+
+ /* record size: filled later */
+ len_pos = ftell(f);
+ qemu_put_be32(f, 0);
+
+ se->save_state(f, se->opaque);
+
+ /* fill record size */
+ cur_pos = ftell(f);
+ len = ftell(f) - len_pos - 4;
+ fseek(f, len_pos, SEEK_SET);
+ qemu_put_be32(f, len);
+ fseek(f, cur_pos, SEEK_SET);
+ }
+
+ fclose(f);
+ ret = 0;
+ the_end:
+ if (saved_vm_running)
+ vm_start();
+ return ret;
+}
+
+static SaveStateEntry *find_se(const char *idstr, int instance_id)
+{
+ SaveStateEntry *se;
+
+ for(se = first_se; se != NULL; se = se->next) {
+ if (!strcmp(se->idstr, idstr) &&
+ instance_id == se->instance_id)
+ return se;
+ }
+ return NULL;
+}
+
+int qemu_loadvm(const char *filename)
+{
+ SaveStateEntry *se;
+ QEMUFile *f;
+ int len, cur_pos, ret, instance_id, record_len, version_id;
+ int saved_vm_running;
+ unsigned int v;
+ char idstr[256];
+
+ saved_vm_running = vm_running;
+ vm_stop(0);
+
+ f = fopen(filename, "rb");
+ if (!f) {
+ ret = -1;
+ goto the_end;
+ }
+
+ v = qemu_get_be32(f);
+ if (v != QEMU_VM_FILE_MAGIC)
+ goto fail;
+ v = qemu_get_be32(f);
+ if (v != QEMU_VM_FILE_VERSION) {
+ fail:
+ fclose(f);
+ ret = -1;
+ goto the_end;
+ }
+ for(;;) {
+ len = qemu_get_byte(f);
+ if (feof(f))
+ break;
+ qemu_get_buffer(f, idstr, len);
+ idstr[len] = '\0';
+ instance_id = qemu_get_be32(f);
+ version_id = qemu_get_be32(f);
+ record_len = qemu_get_be32(f);
+#if 0
+ printf("idstr=%s instance=0x%x version=%d len=%d\n",
+ idstr, instance_id, version_id, record_len);
+#endif
+ cur_pos = ftell(f);
+ se = find_se(idstr, instance_id);
+ if (!se) {
+ fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
+ instance_id, idstr);
+ } else {
+ ret = se->load_state(f, se->opaque, version_id);
+ if (ret < 0) {
+ fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
+ instance_id, idstr);
+ }
+ }
+ /* always seek to exact end of record */
+ qemu_fseek(f, cur_pos + record_len, SEEK_SET);
+ }
+ fclose(f);
+ ret = 0;
+ the_end:
+ if (saved_vm_running)
+ vm_start();
+ return ret;
+}
+
+/***********************************************************/
+/* cpu save/restore */
+
+#if defined(TARGET_I386)
+
+static void cpu_put_seg(QEMUFile *f, SegmentCache *dt)
+{
+ qemu_put_be32(f, dt->selector);
+ qemu_put_betl(f, dt->base);
+ qemu_put_be32(f, dt->limit);
+ qemu_put_be32(f, dt->flags);
+}
+
+static void cpu_get_seg(QEMUFile *f, SegmentCache *dt)
+{
+ dt->selector = qemu_get_be32(f);
+ dt->base = qemu_get_betl(f);
+ dt->limit = qemu_get_be32(f);
+ dt->flags = qemu_get_be32(f);
+}
+
+void cpu_save(QEMUFile *f, void *opaque)
+{
+ CPUState *env = opaque;
+ uint16_t fptag, fpus, fpuc, fpregs_format;
+ uint32_t hflags;
+ int i;
+
+ for(i = 0; i < CPU_NB_REGS; i++)
+ qemu_put_betls(f, &env->regs[i]);
+ qemu_put_betls(f, &env->eip);
+ qemu_put_betls(f, &env->eflags);
+ hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
+ qemu_put_be32s(f, &hflags);
+
+ /* FPU */
+ fpuc = env->fpuc;
+ fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
+ fptag = 0;
+ for(i = 0; i < 8; i++) {
+ fptag |= ((!env->fptags[i]) << i);
+ }
+
+ qemu_put_be16s(f, &fpuc);
+ qemu_put_be16s(f, &fpus);
+ qemu_put_be16s(f, &fptag);
+
+#ifdef USE_X86LDOUBLE
+ fpregs_format = 0;
+#else
+ fpregs_format = 1;
+#endif
+ qemu_put_be16s(f, &fpregs_format);
+
+ for(i = 0; i < 8; i++) {
+#ifdef USE_X86LDOUBLE
+ {
+ uint64_t mant;
+ uint16_t exp;
+ /* we save the real CPU data (in case of MMX usage only 'mant'
+ contains the MMX register */
+ cpu_get_fp80(&mant, &exp, env->fpregs[i].d);
+ qemu_put_be64(f, mant);
+ qemu_put_be16(f, exp);
+ }
+#else
+ /* if we use doubles for float emulation, we save the doubles to
+ avoid losing information in case of MMX usage. It can give
+ problems if the image is restored on a CPU where long
+ doubles are used instead. */
+ qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0));
+#endif
+ }
+
+ for(i = 0; i < 6; i++)
+ cpu_put_seg(f, &env->segs[i]);
+ cpu_put_seg(f, &env->ldt);
+ cpu_put_seg(f, &env->tr);
+ cpu_put_seg(f, &env->gdt);
+ cpu_put_seg(f, &env->idt);
+
+ qemu_put_be32s(f, &env->sysenter_cs);
+ qemu_put_be32s(f, &env->sysenter_esp);
+ qemu_put_be32s(f, &env->sysenter_eip);
+
+ qemu_put_betls(f, &env->cr[0]);
+ qemu_put_betls(f, &env->cr[2]);
+ qemu_put_betls(f, &env->cr[3]);
+ qemu_put_betls(f, &env->cr[4]);
+
+ for(i = 0; i < 8; i++)
+ qemu_put_betls(f, &env->dr[i]);
+
+ /* MMU */
+ qemu_put_be32s(f, &env->a20_mask);
+
+ /* XMM */
+ qemu_put_be32s(f, &env->mxcsr);
+ for(i = 0; i < CPU_NB_REGS; i++) {
+ qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0));
+ qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1));
+ }
+
+#ifdef TARGET_X86_64
+ qemu_put_be64s(f, &env->efer);
+ qemu_put_be64s(f, &env->star);
+ qemu_put_be64s(f, &env->lstar);
+ qemu_put_be64s(f, &env->cstar);
+ qemu_put_be64s(f, &env->fmask);
+ qemu_put_be64s(f, &env->kernelgsbase);
+#endif
+}
+
+#ifdef USE_X86LDOUBLE
+/* XXX: add that in a FPU generic layer */
+union x86_longdouble {
+ uint64_t mant;
+ uint16_t exp;
+};
+
+#define MANTD1(fp) (fp & ((1LL << 52) - 1))
+#define EXPBIAS1 1023
+#define EXPD1(fp) ((fp >> 52) & 0x7FF)
+#define SIGND1(fp) ((fp >> 32) & 0x80000000)
+
+static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp)
+{
+ int e;
+ /* mantissa */
+ p->mant = (MANTD1(temp) << 11) | (1LL << 63);
+ /* exponent + sign */
+ e = EXPD1(temp) - EXPBIAS1 + 16383;
+ e |= SIGND1(temp) >> 16;
+ p->exp = e;
+}
+#endif
+
+int cpu_load(QEMUFile *f, void *opaque, int version_id)
+{
+ CPUState *env = opaque;
+ int i, guess_mmx;
+ uint32_t hflags;
+ uint16_t fpus, fpuc, fptag, fpregs_format;
+
+ if (version_id != 3)
+ return -EINVAL;
+ for(i = 0; i < CPU_NB_REGS; i++)
+ qemu_get_betls(f, &env->regs[i]);
+ qemu_get_betls(f, &env->eip);
+ qemu_get_betls(f, &env->eflags);
+ qemu_get_be32s(f, &hflags);
+
+ qemu_get_be16s(f, &fpuc);
+ qemu_get_be16s(f, &fpus);
+ qemu_get_be16s(f, &fptag);
+ qemu_get_be16s(f, &fpregs_format);
+
+ /* NOTE: we cannot always restore the FPU state if the image come
+ from a host with a different 'USE_X86LDOUBLE' define. We guess
+ if we are in an MMX state to restore correctly in that case. */
+ guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0);
+ for(i = 0; i < 8; i++) {
+ uint64_t mant;
+ uint16_t exp;
+
+ switch(fpregs_format) {
+ case 0:
+ mant = qemu_get_be64(f);
+ exp = qemu_get_be16(f);
+#ifdef USE_X86LDOUBLE
+ env->fpregs[i].d = cpu_set_fp80(mant, exp);
+#else
+ /* difficult case */
+ if (guess_mmx)
+ env->fpregs[i].mmx.MMX_Q(0) = mant;
+ else
+ env->fpregs[i].d = cpu_set_fp80(mant, exp);
+#endif
+ break;
+ case 1:
+ mant = qemu_get_be64(f);
+#ifdef USE_X86LDOUBLE
+ {
+ union x86_longdouble *p;
+ /* difficult case */
+ p = (void *)&env->fpregs[i];
+ if (guess_mmx) {
+ p->mant = mant;
+ p->exp = 0xffff;
+ } else {
+ fp64_to_fp80(p, mant);
+ }
+ }
+#else
+ env->fpregs[i].mmx.MMX_Q(0) = mant;
+#endif
+ break;
+ default:
+ return -EINVAL;
+ }
+ }
+
+ env->fpuc = fpuc;
+ /* XXX: restore FPU round state */
+ env->fpstt = (fpus >> 11) & 7;
+ env->fpus = fpus & ~0x3800;
+ fptag ^= 0xff;
+ for(i = 0; i < 8; i++) {
+ env->fptags[i] = (fptag >> i) & 1;
+ }
+
+ for(i = 0; i < 6; i++)
+ cpu_get_seg(f, &env->segs[i]);
+ cpu_get_seg(f, &env->ldt);
+ cpu_get_seg(f, &env->tr);
+ cpu_get_seg(f, &env->gdt);
+ cpu_get_seg(f, &env->idt);
+
+ qemu_get_be32s(f, &env->sysenter_cs);
+ qemu_get_be32s(f, &env->sysenter_esp);
+ qemu_get_be32s(f, &env->sysenter_eip);
+
+ qemu_get_betls(f, &env->cr[0]);
+ qemu_get_betls(f, &env->cr[2]);
+ qemu_get_betls(f, &env->cr[3]);
+ qemu_get_betls(f, &env->cr[4]);
+
+ for(i = 0; i < 8; i++)
+ qemu_get_betls(f, &env->dr[i]);
+
+ /* MMU */
+ qemu_get_be32s(f, &env->a20_mask);
+
+ qemu_get_be32s(f, &env->mxcsr);
+ for(i = 0; i < CPU_NB_REGS; i++) {
+ qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0));
+ qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1));
+ }
+
+#ifdef TARGET_X86_64
+ qemu_get_be64s(f, &env->efer);
+ qemu_get_be64s(f, &env->star);
+ qemu_get_be64s(f, &env->lstar);
+ qemu_get_be64s(f, &env->cstar);
+ qemu_get_be64s(f, &env->fmask);
+ qemu_get_be64s(f, &env->kernelgsbase);
+#endif
+
+ /* XXX: compute hflags from scratch, except for CPL and IIF */
+ env->hflags = hflags;
+ tlb_flush(env, 1);
+ return 0;
+}
+
+#elif defined(TARGET_PPC)
+void cpu_save(QEMUFile *f, void *opaque)
+{
+}
+
+int cpu_load(QEMUFile *f, void *opaque, int version_id)
+{
+ return 0;
+}
+
+#elif defined(TARGET_MIPS)
+void cpu_save(QEMUFile *f, void *opaque)
+{
+}
+
+int cpu_load(QEMUFile *f, void *opaque, int version_id)
+{
+ return 0;
+}
+
+#elif defined(TARGET_SPARC)
+void cpu_save(QEMUFile *f, void *opaque)
+{
+ CPUState *env = opaque;
+ int i;
+ uint32_t tmp;
+
+ for(i = 0; i < 8; i++)
+ qemu_put_betls(f, &env->gregs[i]);
+ for(i = 0; i < NWINDOWS * 16; i++)
+ qemu_put_betls(f, &env->regbase[i]);
+
+ /* FPU */
+ for(i = 0; i < TARGET_FPREGS; i++) {
+ union {
+ TARGET_FPREG_T f;
+ target_ulong i;
+ } u;
+ u.f = env->fpr[i];
+ qemu_put_betl(f, u.i);
+ }
+
+ qemu_put_betls(f, &env->pc);
+ qemu_put_betls(f, &env->npc);
+ qemu_put_betls(f, &env->y);
+ tmp = GET_PSR(env);
+ qemu_put_be32(f, tmp);
+ qemu_put_betls(f, &env->fsr);
+ qemu_put_betls(f, &env->tbr);
+#ifndef TARGET_SPARC64
+ qemu_put_be32s(f, &env->wim);
+ /* MMU */
+ for(i = 0; i < 16; i++)
+ qemu_put_be32s(f, &env->mmuregs[i]);
+#endif
+}
+
+int cpu_load(QEMUFile *f, void *opaque, int version_id)
+{
+ CPUState *env = opaque;
+ int i;
+ uint32_t tmp;
+
+ for(i = 0; i < 8; i++)
+ qemu_get_betls(f, &env->gregs[i]);
+ for(i = 0; i < NWINDOWS * 16; i++)
+ qemu_get_betls(f, &env->regbase[i]);
+
+ /* FPU */
+ for(i = 0; i < TARGET_FPREGS; i++) {
+ union {
+ TARGET_FPREG_T f;
+ target_ulong i;
+ } u;
+ u.i = qemu_get_betl(f);
+ env->fpr[i] = u.f;
+ }
+
+ qemu_get_betls(f, &env->pc);
+ qemu_get_betls(f, &env->npc);
+ qemu_get_betls(f, &env->y);
+ tmp = qemu_get_be32(f);
+ env->cwp = 0; /* needed to ensure that the wrapping registers are
+ correctly updated */
+ PUT_PSR(env, tmp);
+ qemu_get_betls(f, &env->fsr);
+ qemu_get_betls(f, &env->tbr);
+#ifndef TARGET_SPARC64
+ qemu_get_be32s(f, &env->wim);
+ /* MMU */
+ for(i = 0; i < 16; i++)
+ qemu_get_be32s(f, &env->mmuregs[i]);
+#endif
+ tlb_flush(env, 1);
+ return 0;
+}
+
+#elif defined(TARGET_ARM)
+
+/* ??? Need to implement these. */
+void cpu_save(QEMUFile *f, void *opaque)
+{
+}
+
+int cpu_load(QEMUFile *f, void *opaque, int version_id)
+{
+ return 0;
+}
+
+#else
+
+#warning No CPU save/restore functions
+
+#endif
+
+/***********************************************************/
+/* ram save/restore */
+
+/* we just avoid storing empty pages */
+static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len)
+{
+ int i, v;
+
+ v = buf[0];
+ for(i = 1; i < len; i++) {
+ if (buf[i] != v)
+ goto normal_save;
+ }
+ qemu_put_byte(f, 1);
+ qemu_put_byte(f, v);
+ return;
+ normal_save:
+ qemu_put_byte(f, 0);
+ qemu_put_buffer(f, buf, len);
+}
+
+static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
+{
+ int v;
+
+ v = qemu_get_byte(f);
+ switch(v) {
+ case 0:
+ if (qemu_get_buffer(f, buf, len) != len)
+ return -EIO;
+ break;
+ case 1:
+ v = qemu_get_byte(f);
+ memset(buf, v, len);
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static void ram_save(QEMUFile *f, void *opaque)
+{
+ int i;
+ qemu_put_be32(f, phys_ram_size);
+ for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
+ ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
+ }
+}
+
+static int ram_load(QEMUFile *f, void *opaque, int version_id)
+{
+ int i, ret;
+
+ if (version_id != 1)
+ return -EINVAL;
+ if (qemu_get_be32(f) != phys_ram_size)
+ return -EINVAL;
+ for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
+ ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
+ if (ret)
+ return ret;
+ }
+ return 0;
+}
+
+/***********************************************************/
+/* machine registration */
+
+QEMUMachine *first_machine = NULL;
+
+int qemu_register_machine(QEMUMachine *m)
+{
+ QEMUMachine **pm;
+ pm = &first_machine;
+ while (*pm != NULL)
+ pm = &(*pm)->next;
+ m->next = NULL;
+ *pm = m;
+ return 0;
+}
+
+QEMUMachine *find_machine(const char *name)
+{
+ QEMUMachine *m;
+
+ for(m = first_machine; m != NULL; m = m->next) {
+ if (!strcmp(m->name, name))
+ return m;
}
+ return NULL;
+}
- serial_ok = 1;
- cpu_enable_ticks();
- for(;;) {
-#if defined (DO_TB_FLUSH)
- tb_flush();
+/***********************************************************/
+/* main execution loop */
+
+void gui_update(void *opaque)
+{
+ display_state.dpy_refresh(&display_state);
+ qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock));
+}
+
+struct vm_change_state_entry {
+ VMChangeStateHandler *cb;
+ void *opaque;
+ LIST_ENTRY (vm_change_state_entry) entries;
+};
+
+static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
+
+VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
+ void *opaque)
+{
+ VMChangeStateEntry *e;
+
+ e = qemu_mallocz(sizeof (*e));
+ if (!e)
+ return NULL;
+
+ e->cb = cb;
+ e->opaque = opaque;
+ LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
+ return e;
+}
+
+void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
+{
+ LIST_REMOVE (e, entries);
+ qemu_free (e);
+}
+
+static void vm_state_notify(int running)
+{
+ VMChangeStateEntry *e;
+
+ for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
+ e->cb(e->opaque, running);
+ }
+}
+
+/* XXX: support several handlers */
+static VMStopHandler *vm_stop_cb;
+static void *vm_stop_opaque;
+
+int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
+{
+ vm_stop_cb = cb;
+ vm_stop_opaque = opaque;
+ return 0;
+}
+
+void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
+{
+ vm_stop_cb = NULL;
+}
+
+void vm_start(void)
+{
+ if (!vm_running) {
+ cpu_enable_ticks();
+ vm_running = 1;
+ vm_state_notify(1);
+ }
+}
+
+void vm_stop(int reason)
+{
+ if (vm_running) {
+ cpu_disable_ticks();
+ vm_running = 0;
+ if (reason != 0) {
+ if (vm_stop_cb) {
+ vm_stop_cb(vm_stop_opaque, reason);
+ }
+ }
+ vm_state_notify(0);
+ }
+}
+
+/* reset/shutdown handler */
+
+typedef struct QEMUResetEntry {
+ QEMUResetHandler *func;
+ void *opaque;
+ struct QEMUResetEntry *next;
+} QEMUResetEntry;
+
+static QEMUResetEntry *first_reset_entry;
+static int reset_requested;
+static int shutdown_requested;
+static int powerdown_requested;
+
+void qemu_register_reset(QEMUResetHandler *func, void *opaque)
+{
+ QEMUResetEntry **pre, *re;
+
+ pre = &first_reset_entry;
+ while (*pre != NULL)
+ pre = &(*pre)->next;
+ re = qemu_mallocz(sizeof(QEMUResetEntry));
+ re->func = func;
+ re->opaque = opaque;
+ re->next = NULL;
+ *pre = re;
+}
+
+void qemu_system_reset(void)
+{
+ QEMUResetEntry *re;
+
+ /* reset all devices */
+ for(re = first_reset_entry; re != NULL; re = re->next) {
+ re->func(re->opaque);
+ }
+}
+
+void qemu_system_reset_request(void)
+{
+ reset_requested = 1;
+ if (cpu_single_env)
+ cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
+}
+
+void qemu_system_shutdown_request(void)
+{
+ shutdown_requested = 1;
+ if (cpu_single_env)
+ cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
+}
+
+void qemu_system_powerdown_request(void)
+{
+ powerdown_requested = 1;
+ if (cpu_single_env)
+ cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
+}
+
+void main_loop_wait(int timeout)
+{
+ IOHandlerRecord *ioh, *ioh_next;
+ fd_set rfds, wfds, xfds;
+ int ret, nfds;
+ struct timeval tv;
+ PollingEntry *pe;
+
+
+ /* XXX: need to suppress polling by better using win32 events */
+ ret = 0;
+ for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
+ ret |= pe->func(pe->opaque);
+ }
+#ifdef _WIN32
+ if (ret == 0 && timeout > 0) {
+ int err;
+ HANDLE hEvents[1];
+
+ hEvents[0] = host_alarm;
+ ret = WaitForMultipleObjects(1, hEvents, FALSE, timeout);
+ switch(ret) {
+ case WAIT_OBJECT_0 + 0:
+ break;
+ case WAIT_TIMEOUT:
+ break;
+ default:
+ err = GetLastError();
+ fprintf(stderr, "Wait error %d %d\n", ret, err);
+ break;
+ }
+ }
#endif
- ret = cpu_exec(env);
- if (reset_requested) {
- ret = EXCP_INTERRUPT;
- break;
+ /* poll any events */
+ /* XXX: separate device handlers from system ones */
+ nfds = -1;
+ FD_ZERO(&rfds);
+ FD_ZERO(&wfds);
+ FD_ZERO(&xfds);
+ for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
+ if (ioh->fd_read &&
+ (!ioh->fd_read_poll ||
+ ioh->fd_read_poll(ioh->opaque) != 0)) {
+ FD_SET(ioh->fd, &rfds);
+ if (ioh->fd > nfds)
+ nfds = ioh->fd;
}
- if (ret == EXCP_DEBUG) {
- ret = EXCP_DEBUG;
- break;
+ if (ioh->fd_write) {
+ FD_SET(ioh->fd, &wfds);
+ if (ioh->fd > nfds)
+ nfds = ioh->fd;
}
- /* if hlt instruction, we wait until the next IRQ */
- if (ret == EXCP_HLT)
- timeout = 10;
- else
- timeout = 0;
- /* poll any events */
- serial_ufd = NULL;
- pf = ufds;
- if (serial_ok && !(serial_ports[0].lsr & UART_LSR_DR)) {
- serial_ufd = pf;
- pf->fd = 0;
- pf->events = POLLIN;
- pf++;
- }
-#if defined (TARGET_I386)
- net_ufd = NULL;
- if (net_fd > 0 && ne2000_can_receive(&ne2000_state)) {
- net_ufd = pf;
- pf->fd = net_fd;
- pf->events = POLLIN;
- pf++;
- }
-#endif
- gdb_ufd = NULL;
- if (gdbstub_fd > 0) {
- gdb_ufd = pf;
- pf->fd = gdbstub_fd;
- pf->events = POLLIN;
- pf++;
- }
-
- ret = poll(ufds, pf - ufds, timeout);
- if (ret > 0) {
- if (serial_ufd && (serial_ufd->revents & POLLIN)) {
- n = read(0, &ch, 1);
- if (n == 1) {
- serial_received_byte(&serial_ports[0], ch);
- } else {
- /* Closed, stop polling. */
- serial_ok = 0;
- }
+ }
+
+ tv.tv_sec = 0;
+#ifdef _WIN32
+ tv.tv_usec = 0;
+#else
+ tv.tv_usec = timeout * 1000;
+#endif
+#if defined(CONFIG_SLIRP)
+ if (slirp_inited) {
+ slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
+ }
+#endif
+ ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
+ if (ret > 0) {
+ /* XXX: better handling of removal */
+ for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) {
+ ioh_next = ioh->next;
+ if (FD_ISSET(ioh->fd, &rfds)) {
+ ioh->fd_read(ioh->opaque);
}
-#if defined (TARGET_I386)
- if (net_ufd && (net_ufd->revents & POLLIN)) {
- uint8_t buf[MAX_ETH_FRAME_SIZE];
-
- n = read(net_fd, buf, MAX_ETH_FRAME_SIZE);
- if (n > 0) {
- if (n < 60) {
- memset(buf + n, 0, 60 - n);
- n = 60;
- }
- ne2000_receive(&ne2000_state, buf, n);
+ if (FD_ISSET(ioh->fd, &wfds)) {
+ ioh->fd_write(ioh->opaque);
+ }
+ }
+ }
+#if defined(CONFIG_SLIRP)
+ if (slirp_inited) {
+ if (ret < 0) {
+ FD_ZERO(&rfds);
+ FD_ZERO(&wfds);
+ FD_ZERO(&xfds);
+ }
+ slirp_select_poll(&rfds, &wfds, &xfds);
+ }
+#endif
+#ifdef _WIN32
+ tap_win32_poll();
+#endif
+
+ if (vm_running) {
+ qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
+ qemu_get_clock(vm_clock));
+ /* run dma transfers, if any */
+ DMA_run();
+ }
+
+ /* real time timers */
+ qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
+ qemu_get_clock(rt_clock));
+}
+
+static CPUState *cur_cpu;
+
+int main_loop(void)
+{
+ int ret, timeout;
+#ifdef CONFIG_PROFILER
+ int64_t ti;
+#endif
+ CPUState *env;
+
+ cur_cpu = first_cpu;
+ for(;;) {
+ if (vm_running) {
+
+ env = cur_cpu;
+ for(;;) {
+ /* get next cpu */
+ env = env->next_cpu;
+ if (!env)
+ env = first_cpu;
+#ifdef CONFIG_PROFILER
+ ti = profile_getclock();
+#endif
+ ret = cpu_exec(env);
+#ifdef CONFIG_PROFILER
+ qemu_time += profile_getclock() - ti;
+#endif
+ if (ret != EXCP_HALTED)
+ break;
+ /* all CPUs are halted ? */
+ if (env == cur_cpu) {
+ ret = EXCP_HLT;
+ break;
}
}
+ cur_cpu = env;
+
+ if (shutdown_requested) {
+ ret = EXCP_INTERRUPT;
+ break;
+ }
+ if (reset_requested) {
+ reset_requested = 0;
+ qemu_system_reset();
+ ret = EXCP_INTERRUPT;
+ }
+ if (powerdown_requested) {
+ powerdown_requested = 0;
+ qemu_system_powerdown();
+ ret = EXCP_INTERRUPT;
+ }
+ if (ret == EXCP_DEBUG) {
+ vm_stop(EXCP_DEBUG);
+ }
+ /* if hlt instruction, we wait until the next IRQ */
+ /* XXX: use timeout computed from timers */
+ if (ret == EXCP_HLT)
+ timeout = 10;
+ else
+ timeout = 0;
+ } else {
+ timeout = 10;
+ }
+#ifdef CONFIG_PROFILER
+ ti = profile_getclock();
+#endif
+ main_loop_wait(timeout);
+#ifdef CONFIG_PROFILER
+ dev_time += profile_getclock() - ti;
+#endif
+ }
+ cpu_disable_ticks();
+ return ret;
+}
+
+void help(void)
+{
+ printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2005 Fabrice Bellard\n"
+ "usage: %s [options] [disk_image]\n"
+ "\n"
+ "'disk_image' is a raw hard image image for IDE hard disk 0\n"
+ "\n"
+ "Standard options:\n"
+ "-M machine select emulated machine (-M ? for list)\n"
+ "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
+ "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
+ "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
+ "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
+ "-boot [a|c|d] boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
+ "-snapshot write to temporary files instead of disk image files\n"
+ "-m megs set virtual RAM size to megs MB [default=%d]\n"
+ "-smp n set the number of CPUs to 'n' [default=1]\n"
+ "-nographic disable graphical output and redirect serial I/Os to console\n"
+#ifndef _WIN32
+ "-k language use keyboard layout (for example \"fr\" for French)\n"
+#endif
+#ifdef HAS_AUDIO
+ "-audio-help print list of audio drivers and their options\n"
+ "-soundhw c1,... enable audio support\n"
+ " and only specified sound cards (comma separated list)\n"
+ " use -soundhw ? to get the list of supported cards\n"
+ " use -soundhw all to enable all of them\n"
+#endif
+ "-localtime set the real time clock to local time [default=utc]\n"
+ "-full-screen start in full screen\n"
+#ifdef TARGET_I386
+ "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
+#endif
+ "-usb enable the USB driver (will be the default soon)\n"
+ "-usbdevice name add the host or guest USB device 'name'\n"
+#if defined(TARGET_PPC) || defined(TARGET_SPARC)
+ "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
+#endif
+ "\n"
+ "Network options:\n"
+ "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
+ " create a new Network Interface Card and connect it to VLAN 'n'\n"
+#ifdef CONFIG_SLIRP
+ "-net user[,vlan=n][,hostname=host]\n"
+ " connect the user mode network stack to VLAN 'n' and send\n"
+ " hostname 'host' to DHCP clients\n"
+#endif
+#ifdef _WIN32
+ "-net tap[,vlan=n],ifname=name\n"
+ " connect the host TAP network interface to VLAN 'n'\n"
+#else
+ "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file]\n"
+ " connect the host TAP network interface to VLAN 'n' and use\n"
+ " the network script 'file' (default=%s);\n"
+ " use 'fd=h' to connect to an already opened TAP interface\n"
+#endif
+ "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
+ " connect the vlan 'n' to another VLAN using a socket connection\n"
+ "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
+ " connect the vlan 'n' to multicast maddr and port\n"
+ "-net none use it alone to have zero network devices; if no -net option\n"
+ " is provided, the default is '-net nic -net user'\n"
+ "\n"
+#ifdef CONFIG_SLIRP
+ "-tftp prefix allow tftp access to files starting with prefix [-net user]\n"
+#ifndef _WIN32
+ "-smb dir allow SMB access to files in 'dir' [-net user]\n"
+#endif
+ "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
+ " redirect TCP or UDP connections from host to guest [-net user]\n"
+#endif
+ "\n"
+ "Linux boot specific:\n"
+ "-kernel bzImage use 'bzImage' as kernel image\n"
+ "-append cmdline use 'cmdline' as kernel command line\n"
+ "-initrd file use 'file' as initial ram disk\n"
+ "\n"
+ "Debug/Expert options:\n"
+ "-monitor dev redirect the monitor to char device 'dev'\n"
+ "-serial dev redirect the serial port to char device 'dev'\n"
+ "-parallel dev redirect the parallel port to char device 'dev'\n"
+ "-pidfile file Write PID to 'file'\n"
+ "-S freeze CPU at startup (use 'c' to start execution)\n"
+ "-s wait gdb connection to port %d\n"
+ "-p port change gdb connection port\n"
+ "-d item1,... output log to %s (use -d ? for a list of log items)\n"
+ "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
+ " translation (t=none or lba) (usually qemu can guess them)\n"
+ "-L path set the directory for the BIOS and VGA BIOS\n"
+#ifdef USE_KQEMU
+ "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
+ "-no-kqemu disable KQEMU kernel module usage\n"
+#endif
+#ifdef USE_CODE_COPY
+ "-no-code-copy disable code copy acceleration\n"
+#endif
+#ifdef TARGET_I386
+ "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
+ " (default is CL-GD5446 PCI VGA)\n"
+ "-no-acpi disable ACPI\n"
+#endif
+ "-loadvm file start right away with a saved state (loadvm in monitor)\n"
+ "-vnc display start a VNC server on display\n"
+ "\n"
+ "During emulation, the following keys are useful:\n"
+ "ctrl-alt-f toggle full screen\n"
+ "ctrl-alt-n switch to virtual console 'n'\n"
+ "ctrl-alt toggle mouse and keyboard grab\n"
+ "\n"
+ "When using -nographic, press 'ctrl-a h' to get some help.\n"
+ ,
+#ifdef CONFIG_SOFTMMU
+ "qemu",
+#else
+ "qemu-fast",
+#endif
+ DEFAULT_RAM_SIZE,
+#ifndef _WIN32
+ DEFAULT_NETWORK_SCRIPT,
+#endif
+ DEFAULT_GDBSTUB_PORT,
+ "/tmp/qemu.log");
+#ifndef CONFIG_SOFTMMU
+ printf("\n"
+ "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
+ "work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
+ "PC emulation.\n");
+#endif
+ exit(1);
+}
+
+#define HAS_ARG 0x0001
+
+enum {
+ QEMU_OPTION_h,
+
+ QEMU_OPTION_M,
+ QEMU_OPTION_fda,
+ QEMU_OPTION_fdb,
+ QEMU_OPTION_hda,
+ QEMU_OPTION_hdb,
+ QEMU_OPTION_hdc,
+ QEMU_OPTION_hdd,
+ QEMU_OPTION_cdrom,
+ QEMU_OPTION_boot,
+ QEMU_OPTION_snapshot,
+ QEMU_OPTION_m,
+ QEMU_OPTION_nographic,
+#ifdef HAS_AUDIO
+ QEMU_OPTION_audio_help,
+ QEMU_OPTION_soundhw,
+#endif
+
+ QEMU_OPTION_net,
+ QEMU_OPTION_tftp,
+ QEMU_OPTION_smb,
+ QEMU_OPTION_redir,
+
+ QEMU_OPTION_kernel,
+ QEMU_OPTION_append,
+ QEMU_OPTION_initrd,
+
+ QEMU_OPTION_S,
+ QEMU_OPTION_s,
+ QEMU_OPTION_p,
+ QEMU_OPTION_d,
+ QEMU_OPTION_hdachs,
+ QEMU_OPTION_L,
+ QEMU_OPTION_no_code_copy,
+ QEMU_OPTION_k,
+ QEMU_OPTION_localtime,
+ QEMU_OPTION_cirrusvga,
+ QEMU_OPTION_g,
+ QEMU_OPTION_std_vga,
+ QEMU_OPTION_monitor,
+ QEMU_OPTION_serial,
+ QEMU_OPTION_parallel,
+ QEMU_OPTION_loadvm,
+ QEMU_OPTION_full_screen,
+ QEMU_OPTION_pidfile,
+ QEMU_OPTION_no_kqemu,
+ QEMU_OPTION_kernel_kqemu,
+ QEMU_OPTION_win2k_hack,
+ QEMU_OPTION_usb,
+ QEMU_OPTION_usbdevice,
+ QEMU_OPTION_smp,
+ QEMU_OPTION_vnc,
+ QEMU_OPTION_no_acpi,
+};
+
+typedef struct QEMUOption {
+ const char *name;
+ int flags;
+ int index;
+} QEMUOption;
+
+const QEMUOption qemu_options[] = {
+ { "h", 0, QEMU_OPTION_h },
+
+ { "M", HAS_ARG, QEMU_OPTION_M },
+ { "fda", HAS_ARG, QEMU_OPTION_fda },
+ { "fdb", HAS_ARG, QEMU_OPTION_fdb },
+ { "hda", HAS_ARG, QEMU_OPTION_hda },
+ { "hdb", HAS_ARG, QEMU_OPTION_hdb },
+ { "hdc", HAS_ARG, QEMU_OPTION_hdc },
+ { "hdd", HAS_ARG, QEMU_OPTION_hdd },
+ { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
+ { "boot", HAS_ARG, QEMU_OPTION_boot },
+ { "snapshot", 0, QEMU_OPTION_snapshot },
+ { "m", HAS_ARG, QEMU_OPTION_m },
+ { "nographic", 0, QEMU_OPTION_nographic },
+ { "k", HAS_ARG, QEMU_OPTION_k },
+#ifdef HAS_AUDIO
+ { "audio-help", 0, QEMU_OPTION_audio_help },
+ { "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
+#endif
+
+ { "net", HAS_ARG, QEMU_OPTION_net},
+#ifdef CONFIG_SLIRP
+ { "tftp", HAS_ARG, QEMU_OPTION_tftp },
+#ifndef _WIN32
+ { "smb", HAS_ARG, QEMU_OPTION_smb },
+#endif
+ { "redir", HAS_ARG, QEMU_OPTION_redir },
+#endif
+
+ { "kernel", HAS_ARG, QEMU_OPTION_kernel },
+ { "append", HAS_ARG, QEMU_OPTION_append },
+ { "initrd", HAS_ARG, QEMU_OPTION_initrd },
+
+ { "S", 0, QEMU_OPTION_S },
+ { "s", 0, QEMU_OPTION_s },
+ { "p", HAS_ARG, QEMU_OPTION_p },
+ { "d", HAS_ARG, QEMU_OPTION_d },
+ { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
+ { "L", HAS_ARG, QEMU_OPTION_L },
+ { "no-code-copy", 0, QEMU_OPTION_no_code_copy },
+#ifdef USE_KQEMU
+ { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
+ { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
+#endif
+#if defined(TARGET_PPC) || defined(TARGET_SPARC)
+ { "g", 1, QEMU_OPTION_g },
+#endif
+ { "localtime", 0, QEMU_OPTION_localtime },
+ { "std-vga", 0, QEMU_OPTION_std_vga },
+ { "monitor", 1, QEMU_OPTION_monitor },
+ { "serial", 1, QEMU_OPTION_serial },
+ { "parallel", 1, QEMU_OPTION_parallel },
+ { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
+ { "full-screen", 0, QEMU_OPTION_full_screen },
+ { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
+ { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
+ { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
+ { "smp", HAS_ARG, QEMU_OPTION_smp },
+ { "vnc", HAS_ARG, QEMU_OPTION_vnc },
+
+ /* temporary options */
+ { "usb", 0, QEMU_OPTION_usb },
+ { "cirrusvga", 0, QEMU_OPTION_cirrusvga },
+ { "no-acpi", 0, QEMU_OPTION_no_acpi },
+ { NULL },
+};
+
+#if defined (TARGET_I386) && defined(USE_CODE_COPY)
+
+/* this stack is only used during signal handling */
+#define SIGNAL_STACK_SIZE 32768
+
+static uint8_t *signal_stack;
+
+#endif
+
+/* password input */
+
+static BlockDriverState *get_bdrv(int index)
+{
+ BlockDriverState *bs;
+
+ if (index < 4) {
+ bs = bs_table[index];
+ } else if (index < 6) {
+ bs = fd_table[index - 4];
+ } else {
+ bs = NULL;
+ }
+ return bs;
+}
+
+static void read_passwords(void)
+{
+ BlockDriverState *bs;
+ int i, j;
+ char password[256];
+
+ for(i = 0; i < 6; i++) {
+ bs = get_bdrv(i);
+ if (bs && bdrv_is_encrypted(bs)) {
+ term_printf("%s is encrypted.\n", bdrv_get_device_name(bs));
+ for(j = 0; j < 3; j++) {
+ monitor_readline("Password: ",
+ 1, password, sizeof(password));
+ if (bdrv_set_key(bs, password) == 0)
+ break;
+ term_printf("invalid password\n");
+ }
+ }
+ }
+}
+
+/* XXX: currently we cannot use simultaneously different CPUs */
+void register_machines(void)
+{
+#if defined(TARGET_I386)
+ qemu_register_machine(&pc_machine);
+ qemu_register_machine(&isapc_machine);
+#elif defined(TARGET_PPC)
+ qemu_register_machine(&heathrow_machine);
+ qemu_register_machine(&core99_machine);
+ qemu_register_machine(&prep_machine);
+#elif defined(TARGET_MIPS)
+ qemu_register_machine(&mips_machine);
+#elif defined(TARGET_SPARC)
+#ifdef TARGET_SPARC64
+ qemu_register_machine(&sun4u_machine);
+#else
+ qemu_register_machine(&sun4m_machine);
+#endif
+#elif defined(TARGET_ARM)
+ qemu_register_machine(&integratorcp926_machine);
+ qemu_register_machine(&integratorcp1026_machine);
+ qemu_register_machine(&versatilepb_machine);
+ qemu_register_machine(&versatileab_machine);
+#elif defined(TARGET_SH4)
+ qemu_register_machine(&shix_machine);
+#else
+#error unsupported CPU
+#endif
+}
+
+#ifdef HAS_AUDIO
+struct soundhw soundhw[] = {
+#ifdef TARGET_I386
+ {
+ "pcspk",
+ "PC speaker",
+ 0,
+ 1,
+ { .init_isa = pcspk_audio_init }
+ },
+#endif
+ {
+ "sb16",
+ "Creative Sound Blaster 16",
+ 0,
+ 1,
+ { .init_isa = SB16_init }
+ },
+
+#ifdef CONFIG_ADLIB
+ {
+ "adlib",
+#ifdef HAS_YMF262
+ "Yamaha YMF262 (OPL3)",
+#else
+ "Yamaha YM3812 (OPL2)",
#endif
- if (gdb_ufd && (gdb_ufd->revents & POLLIN)) {
- uint8_t buf[1];
- /* stop emulation if requested by gdb */
- n = read(gdbstub_fd, buf, 1);
- if (n == 1) {
- ret = EXCP_INTERRUPT;
+ 0,
+ 1,
+ { .init_isa = Adlib_init }
+ },
+#endif
+
+#ifdef CONFIG_GUS
+ {
+ "gus",
+ "Gravis Ultrasound GF1",
+ 0,
+ 1,
+ { .init_isa = GUS_init }
+ },
+#endif
+
+ {
+ "es1370",
+ "ENSONIQ AudioPCI ES1370",
+ 0,
+ 0,
+ { .init_pci = es1370_init }
+ },
+
+ { NULL, NULL, 0, 0, { NULL } }
+};
+
+static void select_soundhw (const char *optarg)
+{
+ struct soundhw *c;
+
+ if (*optarg == '?') {
+ show_valid_cards:
+
+ printf ("Valid sound card names (comma separated):\n");
+ for (c = soundhw; c->name; ++c) {
+ printf ("%-11s %s\n", c->name, c->descr);
+ }
+ printf ("\n-soundhw all will enable all of the above\n");
+ exit (*optarg != '?');
+ }
+ else {
+ size_t l;
+ const char *p;
+ char *e;
+ int bad_card = 0;
+
+ if (!strcmp (optarg, "all")) {
+ for (c = soundhw; c->name; ++c) {
+ c->enabled = 1;
+ }
+ return;
+ }
+
+ p = optarg;
+ while (*p) {
+ e = strchr (p, ',');
+ l = !e ? strlen (p) : (size_t) (e - p);
+
+ for (c = soundhw; c->name; ++c) {
+ if (!strncmp (c->name, p, l)) {
+ c->enabled = 1;
break;
}
}
- }
- /* timer IRQ */
- if (timer_irq_pending) {
-#if defined (TARGET_I386)
- pic_set_irq(0, 1);
- pic_set_irq(0, 0);
- timer_irq_pending = 0;
- /* XXX: RTC test */
- if (cmos_data[RTC_REG_B] & 0x50) {
- pic_set_irq(8, 1);
+ if (!c->name) {
+ if (l > 80) {
+ fprintf (stderr,
+ "Unknown sound card name (too big to show)\n");
+ }
+ else {
+ fprintf (stderr, "Unknown sound card name `%.*s'\n",
+ (int) l, p);
+ }
+ bad_card = 1;
}
-#endif
+ p += l + (e != NULL);
}
- /* VGA */
- if (gui_refresh_pending) {
- display_state.dpy_refresh(&display_state);
- gui_refresh_pending = 0;
- }
+ if (bad_card)
+ goto show_valid_cards;
}
- cpu_disable_ticks();
- return ret;
}
-
-void help(void)
-{
- printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003 Fabrice Bellard\n"
- "usage: %s [options] [disk_image]\n"
- "\n"
- "'disk_image' is a raw hard image image for IDE hard disk 0\n"
- "\n"
- "Standard options:\n"
- "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
- "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
- "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
- "-cdrom file use 'file' as IDE cdrom 2 image\n"
- "-boot [c|d] boot on hard disk (c) or CD-ROM (d)\n"
- "-snapshot write to temporary files instead of disk image files\n"
- "-m megs set virtual RAM size to megs MB\n"
- "-n script set network init script [default=%s]\n"
- "-tun-fd fd this fd talks to tap/tun, use it.\n"
- "-nographic disable graphical output\n"
- "\n"
- "Linux boot specific (does not require PC BIOS):\n"
- "-kernel bzImage use 'bzImage' as kernel image\n"
- "-append cmdline use 'cmdline' as kernel command line\n"
- "-initrd file use 'file' as initial ram disk\n"
- "\n"
- "Debug/Expert options:\n"
- "-s wait gdb connection to port %d\n"
- "-p port change gdb connection port\n"
- "-d output log in /tmp/vl.log\n"
- "-hdachs c,h,s force hard disk 0 geometry (usually qemu can guess it)\n"
- "-L path set the directory for the BIOS and VGA BIOS\n"
- "\n"
- "During emulation, use C-a h to get terminal commands:\n",
-#ifdef CONFIG_SOFTMMU
- "qemu",
-#else
- "qemu-fast",
-#endif
- DEFAULT_NETWORK_SCRIPT,
- DEFAULT_GDBSTUB_PORT);
- term_print_help();
-#ifndef CONFIG_SOFTMMU
- printf("\n"
- "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
- "work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
- "PC emulation.\n");
#endif
- exit(1);
-}
-
-struct option long_options[] = {
- { "initrd", 1, NULL, 0, },
- { "hda", 1, NULL, 0, },
- { "hdb", 1, NULL, 0, },
- { "snapshot", 0, NULL, 0, },
- { "hdachs", 1, NULL, 0, },
- { "nographic", 0, NULL, 0, },
- { "kernel", 1, NULL, 0, },
- { "append", 1, NULL, 0, },
- { "tun-fd", 1, NULL, 0, },
- { "hdc", 1, NULL, 0, },
- { "hdd", 1, NULL, 0, },
- { "cdrom", 1, NULL, 0, },
- { "boot", 1, NULL, 0, },
- { "fda", 1, NULL, 0, },
- { "fdb", 1, NULL, 0, },
- { NULL, 0, NULL, 0 },
-};
-#ifdef CONFIG_SDL
-/* SDL use the pthreads and they modify sigaction. We don't
- want that. */
-#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2)
-extern void __libc_sigaction();
-#define sigaction(sig, act, oact) __libc_sigaction(sig, act, oact)
-#else
-extern void __sigaction();
-#define sigaction(sig, act, oact) __sigaction(sig, act, oact)
-#endif
-#endif /* CONFIG_SDL */
+#define MAX_NET_CLIENTS 32
int main(int argc, char **argv)
{
- int c, ret, initrd_size, i, use_gdbstub, gdbstub_port, long_index;
- int snapshot, linux_boot, total_ram_size;
-#if defined (TARGET_I386)
- struct linux_params *params;
+#ifdef CONFIG_GDBSTUB
+ int use_gdbstub, gdbstub_port;
#endif
- struct sigaction act;
- struct itimerval itv;
- CPUState *env;
+ int i, cdrom_index;
+ int snapshot, linux_boot;
const char *initrd_filename;
const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD];
const char *kernel_filename, *kernel_cmdline;
DisplayState *ds = &display_state;
-
+ int cyls, heads, secs, translation;
+ int start_emulation = 1;
+ char net_clients[MAX_NET_CLIENTS][256];
+ int nb_net_clients;
+ int optind;
+ const char *r, *optarg;
+ CharDriverState *monitor_hd;
+ char monitor_device[128];
+ char serial_devices[MAX_SERIAL_PORTS][128];
+ int serial_device_index;
+ char parallel_devices[MAX_PARALLEL_PORTS][128];
+ int parallel_device_index;
+ const char *loadvm = NULL;
+ QEMUMachine *machine;
+ char usb_devices[MAX_USB_CMDLINE][128];
+ int usb_devices_index;
+
+ LIST_INIT (&vm_change_state_head);
+#if !defined(CONFIG_SOFTMMU)
/* we never want that malloc() uses mmap() */
mallopt(M_MMAP_THRESHOLD, 4096 * 1024);
+#endif
+ register_machines();
+ machine = first_machine;
initrd_filename = NULL;
for(i = 0; i < MAX_FD; i++)
fd_filename[i] = NULL;
for(i = 0; i < MAX_DISKS; i++)
hd_filename[i] = NULL;
- phys_ram_size = 32 * 1024 * 1024;
+ ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
vga_ram_size = VGA_RAM_SIZE;
-#if defined (TARGET_I386)
- pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT);
-#endif
+ bios_size = BIOS_SIZE;
+#ifdef CONFIG_GDBSTUB
use_gdbstub = 0;
gdbstub_port = DEFAULT_GDBSTUB_PORT;
+#endif
snapshot = 0;
nographic = 0;
kernel_filename = NULL;
kernel_cmdline = "";
+#ifdef TARGET_PPC
+ cdrom_index = 1;
+#else
+ cdrom_index = 2;
+#endif
+ cyls = heads = secs = 0;
+ translation = BIOS_ATA_TRANSLATION_AUTO;
+ pstrcpy(monitor_device, sizeof(monitor_device), "vc");
+
+ pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc");
+ for(i = 1; i < MAX_SERIAL_PORTS; i++)
+ serial_devices[i][0] = '\0';
+ serial_device_index = 0;
+
+ pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc");
+ for(i = 1; i < MAX_PARALLEL_PORTS; i++)
+ parallel_devices[i][0] = '\0';
+ parallel_device_index = 0;
+
+ usb_devices_index = 0;
+
+ nb_net_clients = 0;
+
+ nb_nics = 0;
+ /* default mac address of the first network interface */
+
+ optind = 1;
for(;;) {
- c = getopt_long_only(argc, argv, "hm:dn:sp:L:", long_options, &long_index);
- if (c == -1)
+ if (optind >= argc)
break;
- switch(c) {
- case 0:
- switch(long_index) {
- case 0:
- initrd_filename = optarg;
+ r = argv[optind];
+ if (r[0] != '-') {
+ hd_filename[0] = argv[optind++];
+ } else {
+ const QEMUOption *popt;
+
+ optind++;
+ popt = qemu_options;
+ for(;;) {
+ if (!popt->name) {
+ fprintf(stderr, "%s: invalid option -- '%s'\n",
+ argv[0], r);
+ exit(1);
+ }
+ if (!strcmp(popt->name, r + 1))
+ break;
+ popt++;
+ }
+ if (popt->flags & HAS_ARG) {
+ if (optind >= argc) {
+ fprintf(stderr, "%s: option '%s' requires an argument\n",
+ argv[0], r);
+ exit(1);
+ }
+ optarg = argv[optind++];
+ } else {
+ optarg = NULL;
+ }
+
+ switch(popt->index) {
+ case QEMU_OPTION_M:
+ machine = find_machine(optarg);
+ if (!machine) {
+ QEMUMachine *m;
+ printf("Supported machines are:\n");
+ for(m = first_machine; m != NULL; m = m->next) {
+ printf("%-10s %s%s\n",
+ m->name, m->desc,
+ m == first_machine ? " (default)" : "");
+ }
+ exit(1);
+ }
break;
- case 1:
- hd_filename[0] = optarg;
+ case QEMU_OPTION_initrd:
+ initrd_filename = optarg;
break;
- case 2:
- hd_filename[1] = optarg;
+ case QEMU_OPTION_hda:
+ case QEMU_OPTION_hdb:
+ case QEMU_OPTION_hdc:
+ case QEMU_OPTION_hdd:
+ {
+ int hd_index;
+ hd_index = popt->index - QEMU_OPTION_hda;
+ hd_filename[hd_index] = optarg;
+ if (hd_index == cdrom_index)
+ cdrom_index = -1;
+ }
break;
- case 3:
+ case QEMU_OPTION_snapshot:
snapshot = 1;
break;
- case 4:
+ case QEMU_OPTION_hdachs:
{
- int cyls, heads, secs;
const char *p;
p = optarg;
cyls = strtol(p, (char **)&p, 0);
+ if (cyls < 1 || cyls > 16383)
+ goto chs_fail;
if (*p != ',')
goto chs_fail;
p++;
heads = strtol(p, (char **)&p, 0);
+ if (heads < 1 || heads > 16)
+ goto chs_fail;
if (*p != ',')
goto chs_fail;
p++;
secs = strtol(p, (char **)&p, 0);
- if (*p != '\0')
+ if (secs < 1 || secs > 63)
goto chs_fail;
- ide_set_geometry(0, cyls, heads, secs);
- chs_fail: ;
+ if (*p == ',') {
+ p++;
+ if (!strcmp(p, "none"))
+ translation = BIOS_ATA_TRANSLATION_NONE;
+ else if (!strcmp(p, "lba"))
+ translation = BIOS_ATA_TRANSLATION_LBA;
+ else if (!strcmp(p, "auto"))
+ translation = BIOS_ATA_TRANSLATION_AUTO;
+ else
+ goto chs_fail;
+ } else if (*p != '\0') {
+ chs_fail:
+ fprintf(stderr, "qemu: invalid physical CHS format\n");
+ exit(1);
+ }
}
break;
- case 5:
+ case QEMU_OPTION_nographic:
+ pstrcpy(monitor_device, sizeof(monitor_device), "stdio");
+ pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio");
nographic = 1;
break;
- case 6:
+ case QEMU_OPTION_kernel:
kernel_filename = optarg;
break;
- case 7:
+ case QEMU_OPTION_append:
kernel_cmdline = optarg;
break;
-#if defined (TARGET_I386)
- case 8:
- net_fd = atoi(optarg);
- break;
-#endif
- case 9:
- hd_filename[2] = optarg;
- break;
- case 10:
- hd_filename[3] = optarg;
- break;
- case 11:
- hd_filename[2] = optarg;
- ide_set_cdrom(2, 1);
+ case QEMU_OPTION_cdrom:
+ if (cdrom_index >= 0) {
+ hd_filename[cdrom_index] = optarg;
+ }
break;
- case 12:
+ case QEMU_OPTION_boot:
boot_device = optarg[0];
- if (boot_device != 'a' && boot_device != 'b' &&
+ if (boot_device != 'a' &&
+#ifdef TARGET_SPARC
+ // Network boot
+ boot_device != 'n' &&
+#endif
boot_device != 'c' && boot_device != 'd') {
fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
exit(1);
}
break;
- case 13:
+ case QEMU_OPTION_fda:
fd_filename[0] = optarg;
break;
- case 14:
+ case QEMU_OPTION_fdb:
fd_filename[1] = optarg;
break;
- }
- break;
- case 'h':
- help();
- break;
- case 'm':
- phys_ram_size = atoi(optarg) * 1024 * 1024;
- if (phys_ram_size <= 0)
+ case QEMU_OPTION_no_code_copy:
+ code_copy_enabled = 0;
+ break;
+ case QEMU_OPTION_net:
+ if (nb_net_clients >= MAX_NET_CLIENTS) {
+ fprintf(stderr, "qemu: too many network clients\n");
+ exit(1);
+ }
+ pstrcpy(net_clients[nb_net_clients],
+ sizeof(net_clients[0]),
+ optarg);
+ nb_net_clients++;
+ break;
+#ifdef CONFIG_SLIRP
+ case QEMU_OPTION_tftp:
+ tftp_prefix = optarg;
+ break;
+#ifndef _WIN32
+ case QEMU_OPTION_smb:
+ net_slirp_smb(optarg);
+ break;
+#endif
+ case QEMU_OPTION_redir:
+ net_slirp_redir(optarg);
+ break;
+#endif
+#ifdef HAS_AUDIO
+ case QEMU_OPTION_audio_help:
+ AUD_help ();
+ exit (0);
+ break;
+ case QEMU_OPTION_soundhw:
+ select_soundhw (optarg);
+ break;
+#endif
+ case QEMU_OPTION_h:
help();
- if (phys_ram_size > PHYS_RAM_MAX_SIZE) {
- fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
- PHYS_RAM_MAX_SIZE / (1024 * 1024));
- exit(1);
- }
- break;
- case 'd':
- cpu_set_log(CPU_LOG_ALL);
- break;
-#if defined (TARGET_I386)
- case 'n':
- pstrcpy(network_script, sizeof(network_script), optarg);
- break;
+ break;
+ case QEMU_OPTION_m:
+ ram_size = atoi(optarg) * 1024 * 1024;
+ if (ram_size <= 0)
+ help();
+ if (ram_size > PHYS_RAM_MAX_SIZE) {
+ fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
+ PHYS_RAM_MAX_SIZE / (1024 * 1024));
+ exit(1);
+ }
+ break;
+ case QEMU_OPTION_d:
+ {
+ int mask;
+ CPULogItem *item;
+
+ mask = cpu_str_to_log_mask(optarg);
+ if (!mask) {
+ printf("Log items (comma separated):\n");
+ for(item = cpu_log_items; item->mask != 0; item++) {
+ printf("%-10s %s\n", item->name, item->help);
+ }
+ exit(1);
+ }
+ cpu_set_log(mask);
+ }
+ break;
+#ifdef CONFIG_GDBSTUB
+ case QEMU_OPTION_s:
+ use_gdbstub = 1;
+ break;
+ case QEMU_OPTION_p:
+ gdbstub_port = atoi(optarg);
+ break;
#endif
- case 's':
- use_gdbstub = 1;
- break;
- case 'p':
- gdbstub_port = atoi(optarg);
- break;
- case 'L':
- bios_dir = optarg;
- break;
+ case QEMU_OPTION_L:
+ bios_dir = optarg;
+ break;
+ case QEMU_OPTION_S:
+ start_emulation = 0;
+ break;
+ case QEMU_OPTION_k:
+ keyboard_layout = optarg;
+ break;
+ case QEMU_OPTION_localtime:
+ rtc_utc = 0;
+ break;
+ case QEMU_OPTION_cirrusvga:
+ cirrus_vga_enabled = 1;
+ break;
+ case QEMU_OPTION_std_vga:
+ cirrus_vga_enabled = 0;
+ break;
+ case QEMU_OPTION_g:
+ {
+ const char *p;
+ int w, h, depth;
+ p = optarg;
+ w = strtol(p, (char **)&p, 10);
+ if (w <= 0) {
+ graphic_error:
+ fprintf(stderr, "qemu: invalid resolution or depth\n");
+ exit(1);
+ }
+ if (*p != 'x')
+ goto graphic_error;
+ p++;
+ h = strtol(p, (char **)&p, 10);
+ if (h <= 0)
+ goto graphic_error;
+ if (*p == 'x') {
+ p++;
+ depth = strtol(p, (char **)&p, 10);
+ if (depth != 8 && depth != 15 && depth != 16 &&
+ depth != 24 && depth != 32)
+ goto graphic_error;
+ } else if (*p == '\0') {
+ depth = graphic_depth;
+ } else {
+ goto graphic_error;
+ }
+
+ graphic_width = w;
+ graphic_height = h;
+ graphic_depth = depth;
+ }
+ break;
+ case QEMU_OPTION_monitor:
+ pstrcpy(monitor_device, sizeof(monitor_device), optarg);
+ break;
+ case QEMU_OPTION_serial:
+ if (serial_device_index >= MAX_SERIAL_PORTS) {
+ fprintf(stderr, "qemu: too many serial ports\n");
+ exit(1);
+ }
+ pstrcpy(serial_devices[serial_device_index],
+ sizeof(serial_devices[0]), optarg);
+ serial_device_index++;
+ break;
+ case QEMU_OPTION_parallel:
+ if (parallel_device_index >= MAX_PARALLEL_PORTS) {
+ fprintf(stderr, "qemu: too many parallel ports\n");
+ exit(1);
+ }
+ pstrcpy(parallel_devices[parallel_device_index],
+ sizeof(parallel_devices[0]), optarg);
+ parallel_device_index++;
+ break;
+ case QEMU_OPTION_loadvm:
+ loadvm = optarg;
+ break;
+ case QEMU_OPTION_full_screen:
+ full_screen = 1;
+ break;
+ case QEMU_OPTION_pidfile:
+ create_pidfile(optarg);
+ break;
+#ifdef TARGET_I386
+ case QEMU_OPTION_win2k_hack:
+ win2k_install_hack = 1;
+ break;
+#endif
+#ifdef USE_KQEMU
+ case QEMU_OPTION_no_kqemu:
+ kqemu_allowed = 0;
+ break;
+ case QEMU_OPTION_kernel_kqemu:
+ kqemu_allowed = 2;
+ break;
+#endif
+ case QEMU_OPTION_usb:
+ usb_enabled = 1;
+ break;
+ case QEMU_OPTION_usbdevice:
+ usb_enabled = 1;
+ if (usb_devices_index >= MAX_USB_CMDLINE) {
+ fprintf(stderr, "Too many USB devices\n");
+ exit(1);
+ }
+ pstrcpy(usb_devices[usb_devices_index],
+ sizeof(usb_devices[usb_devices_index]),
+ optarg);
+ usb_devices_index++;
+ break;
+ case QEMU_OPTION_smp:
+ smp_cpus = atoi(optarg);
+ if (smp_cpus < 1 || smp_cpus > MAX_CPUS) {
+ fprintf(stderr, "Invalid number of CPUs\n");
+ exit(1);
+ }
+ break;
+ case QEMU_OPTION_vnc:
+ vnc_display = atoi(optarg);
+ if (vnc_display < 0) {
+ fprintf(stderr, "Invalid VNC display\n");
+ exit(1);
+ }
+ break;
+ case QEMU_OPTION_no_acpi:
+ acpi_enabled = 0;
+ break;
+ }
}
}
- if (optind < argc) {
- hd_filename[0] = argv[optind++];
- }
-
+#ifdef USE_KQEMU
+ if (smp_cpus > 1)
+ kqemu_allowed = 0;
+#endif
linux_boot = (kernel_filename != NULL);
- if (!linux_boot && hd_filename[0] == '\0' && hd_filename[2] == '\0' &&
+ if (!linux_boot &&
+ hd_filename[0] == '\0' &&
+ (cdrom_index >= 0 && hd_filename[cdrom_index] == '\0') &&
fd_filename[0] == '\0')
help();
/* boot to cd by default if no hard disk */
- if (hd_filename[0] == '\0' && boot_device == 'c')
- boot_device = 'd';
+ if (hd_filename[0] == '\0' && boot_device == 'c') {
+ if (fd_filename[0] != '\0')
+ boot_device = 'a';
+ else
+ boot_device = 'd';
+ }
#if !defined(CONFIG_SOFTMMU)
/* must avoid mmap() usage of glibc by setting a buffer "by hand" */
#else
setvbuf(stdout, NULL, _IOLBF, 0);
#endif
-
- /* init network tun interface */
-#if defined (TARGET_I386)
- if (net_fd < 0)
- net_init();
+
+#ifdef _WIN32
+ socket_init();
#endif
+ /* init network clients */
+ if (nb_net_clients == 0) {
+ /* if no clients, we use a default config */
+ pstrcpy(net_clients[0], sizeof(net_clients[0]),
+ "nic");
+ pstrcpy(net_clients[1], sizeof(net_clients[0]),
+ "user");
+ nb_net_clients = 2;
+ }
+
+ for(i = 0;i < nb_net_clients; i++) {
+ if (net_client_init(net_clients[i]) < 0)
+ exit(1);
+ }
+
/* init the memory */
- total_ram_size = phys_ram_size + vga_ram_size;
+ phys_ram_size = ram_size + vga_ram_size + bios_size;
#ifdef CONFIG_SOFTMMU
- phys_ram_base = malloc(total_ram_size);
+ phys_ram_base = qemu_vmalloc(phys_ram_size);
if (!phys_ram_base) {
fprintf(stderr, "Could not allocate physical memory\n");
exit(1);
phys_ram_file);
exit(1);
}
- ftruncate(phys_ram_fd, total_ram_size);
+ ftruncate(phys_ram_fd, phys_ram_size);
unlink(phys_ram_file);
- phys_ram_base = mmap(get_mmap_addr(total_ram_size),
- total_ram_size,
+ phys_ram_base = mmap(get_mmap_addr(phys_ram_size),
+ phys_ram_size,
PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED,
phys_ram_fd, 0);
if (phys_ram_base == MAP_FAILED) {
}
#endif
+ /* we always create the cdrom drive, even if no disk is there */
+ bdrv_init();
+ if (cdrom_index >= 0) {
+ bs_table[cdrom_index] = bdrv_new("cdrom");
+ bdrv_set_type_hint(bs_table[cdrom_index], BDRV_TYPE_CDROM);
+ }
+
/* open the virtual block devices */
for(i = 0; i < MAX_DISKS; i++) {
if (hd_filename[i]) {
- bs_table[i] = bdrv_open(hd_filename[i], snapshot);
if (!bs_table[i]) {
- fprintf(stderr, "qemu: could not open hard disk image '%s\n",
+ char buf[64];
+ snprintf(buf, sizeof(buf), "hd%c", i + 'a');
+ bs_table[i] = bdrv_new(buf);
+ }
+ if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) {
+ fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
hd_filename[i]);
exit(1);
}
+ if (i == 0 && cyls != 0) {
+ bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs);
+ bdrv_set_translation_hint(bs_table[i], translation);
+ }
}
}
- /* init CPU state */
- env = cpu_init();
- global_env = env;
- cpu_single_env = env;
-
- init_ioports();
-
- /* allocate RAM */
- cpu_register_physical_memory(0, phys_ram_size, 0);
-
- if (linux_boot) {
- /* now we can load the kernel */
- ret = load_kernel(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR);
- if (ret < 0) {
- fprintf(stderr, "qemu: could not load kernel '%s'\n",
- kernel_filename);
- exit(1);
- }
-
- /* load initrd */
- initrd_size = 0;
- if (initrd_filename) {
- initrd_size = load_image(initrd_filename, phys_ram_base + INITRD_LOAD_ADDR);
- if (initrd_size < 0) {
- fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
- initrd_filename);
- exit(1);
+ /* we always create at least one floppy disk */
+ fd_table[0] = bdrv_new("fda");
+ bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY);
+
+ for(i = 0; i < MAX_FD; i++) {
+ if (fd_filename[i]) {
+ if (!fd_table[i]) {
+ char buf[64];
+ snprintf(buf, sizeof(buf), "fd%c", i + 'a');
+ fd_table[i] = bdrv_new(buf);
+ bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY);
+ }
+ if (fd_filename[i] != '\0') {
+ if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) {
+ fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
+ fd_filename[i]);
+ exit(1);
+ }
}
}
-
- /* init kernel params */
-#ifdef TARGET_I386
- params = (void *)(phys_ram_base + KERNEL_PARAMS_ADDR);
- memset(params, 0, sizeof(struct linux_params));
- params->mount_root_rdonly = 0;
- stw_raw(¶ms->cl_magic, 0xA33F);
- stw_raw(¶ms->cl_offset, params->commandline - (uint8_t *)params);
- stl_raw(¶ms->alt_mem_k, (phys_ram_size / 1024) - 1024);
- pstrcat(params->commandline, sizeof(params->commandline), kernel_cmdline);
- params->loader_type = 0x01;
- if (initrd_size > 0) {
- stl_raw(¶ms->initrd_start, INITRD_LOAD_ADDR);
- stl_raw(¶ms->initrd_size, initrd_size);
- }
- params->orig_video_lines = 25;
- params->orig_video_cols = 80;
-
- /* setup basic memory access */
- env->cr[0] = 0x00000033;
- env->hflags |= HF_PE_MASK;
- cpu_x86_init_mmu(env);
-
- memset(params->idt_table, 0, sizeof(params->idt_table));
-
- stq_raw(¶ms->gdt_table[2], 0x00cf9a000000ffffLL); /* KERNEL_CS */
- stq_raw(¶ms->gdt_table[3], 0x00cf92000000ffffLL); /* KERNEL_DS */
- /* for newer kernels (2.6.0) CS/DS are at different addresses */
- stq_raw(¶ms->gdt_table[12], 0x00cf9a000000ffffLL); /* KERNEL_CS */
- stq_raw(¶ms->gdt_table[13], 0x00cf92000000ffffLL); /* KERNEL_DS */
-
- env->idt.base = (void *)((uint8_t *)params->idt_table - phys_ram_base);
- env->idt.limit = sizeof(params->idt_table) - 1;
- env->gdt.base = (void *)((uint8_t *)params->gdt_table - phys_ram_base);
- env->gdt.limit = sizeof(params->gdt_table) - 1;
-
- cpu_x86_load_seg_cache(env, R_CS, KERNEL_CS, NULL, 0xffffffff, 0x00cf9a00);
- cpu_x86_load_seg_cache(env, R_DS, KERNEL_DS, NULL, 0xffffffff, 0x00cf9200);
- cpu_x86_load_seg_cache(env, R_ES, KERNEL_DS, NULL, 0xffffffff, 0x00cf9200);
- cpu_x86_load_seg_cache(env, R_SS, KERNEL_DS, NULL, 0xffffffff, 0x00cf9200);
- cpu_x86_load_seg_cache(env, R_FS, KERNEL_DS, NULL, 0xffffffff, 0x00cf9200);
- cpu_x86_load_seg_cache(env, R_GS, KERNEL_DS, NULL, 0xffffffff, 0x00cf9200);
-
- env->eip = KERNEL_LOAD_ADDR;
- env->regs[R_ESI] = KERNEL_PARAMS_ADDR;
- env->eflags = 0x2;
-#elif defined (TARGET_PPC)
- cpu_x86_init_mmu(env);
- PPC_init_hw(env, phys_ram_size, KERNEL_LOAD_ADDR, ret,
- KERNEL_STACK_ADDR, boot_device);
-#endif
- } else {
- char buf[1024];
-
- /* RAW PC boot */
-#if defined(TARGET_I386)
- /* BIOS load */
- snprintf(buf, sizeof(buf), "%s/%s", bios_dir, BIOS_FILENAME);
- ret = load_image(buf, phys_ram_base + 0x000f0000);
- if (ret != 0x10000) {
- fprintf(stderr, "qemu: could not load PC bios '%s'\n", buf);
- exit(1);
- }
+ }
- /* VGA BIOS load */
- snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME);
- ret = load_image(buf, phys_ram_base + 0x000c0000);
+ register_savevm("timer", 0, 1, timer_save, timer_load, NULL);
+ register_savevm("ram", 0, 1, ram_save, ram_load, NULL);
- /* setup basic memory access */
- env->cr[0] = 0x60000010;
- cpu_x86_init_mmu(env);
-
- cpu_register_physical_memory(0xc0000, 0x10000, 0xc0000 | IO_MEM_ROM);
- cpu_register_physical_memory(0xf0000, 0x10000, 0xf0000 | IO_MEM_ROM);
-
- env->idt.limit = 0xffff;
- env->gdt.limit = 0xffff;
- env->ldt.limit = 0xffff;
- env->ldt.flags = DESC_P_MASK;
- env->tr.limit = 0xffff;
- env->tr.flags = DESC_P_MASK;
-
- /* not correct (CS base=0xffff0000) */
- cpu_x86_load_seg_cache(env, R_CS, 0xf000, (uint8_t *)0x000f0000, 0xffff, 0);
- cpu_x86_load_seg_cache(env, R_DS, 0, NULL, 0xffff, 0);
- cpu_x86_load_seg_cache(env, R_ES, 0, NULL, 0xffff, 0);
- cpu_x86_load_seg_cache(env, R_SS, 0, NULL, 0xffff, 0);
- cpu_x86_load_seg_cache(env, R_FS, 0, NULL, 0xffff, 0);
- cpu_x86_load_seg_cache(env, R_GS, 0, NULL, 0xffff, 0);
-
- env->eip = 0xfff0;
- env->regs[R_EDX] = 0x600; /* indicate P6 processor */
-
- env->eflags = 0x2;
-
- bochs_bios_init();
-#elif defined(TARGET_PPC)
- cpu_x86_init_mmu(env);
- /* allocate ROM */
- // snprintf(buf, sizeof(buf), "%s/%s", bios_dir, BIOS_FILENAME);
- snprintf(buf, sizeof(buf), "%s", BIOS_FILENAME);
- printf("load BIOS at %p\n", phys_ram_base + 0x000f0000);
- ret = load_image(buf, phys_ram_base + 0x000f0000);
- if (ret != 0x10000) {
- fprintf(stderr, "qemu: could not load PPC bios '%s' (%d)\n%m\n",
- buf, ret);
- exit(1);
- }
-#endif
- }
+ init_ioports();
+ cpu_calibrate_ticks();
/* terminal init */
if (nographic) {
dumb_display_init(ds);
+ } else if (vnc_display != -1) {
+ vnc_display_init(ds, vnc_display);
} else {
-#ifdef CONFIG_SDL
- sdl_display_init(ds);
+#if defined(CONFIG_SDL)
+ sdl_display_init(ds, full_screen);
+#elif defined(CONFIG_COCOA)
+ cocoa_display_init(ds, full_screen);
#else
dumb_display_init(ds);
#endif
}
- /* init basic PC hardware */
- register_ioport_write(0x80, 1, ioport80_write, 1);
- vga_initialize(ds, phys_ram_base + phys_ram_size, phys_ram_size,
- vga_ram_size);
-#if defined (TARGET_I386)
- cmos_init();
+ monitor_hd = qemu_chr_open(monitor_device);
+ if (!monitor_hd) {
+ fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
+ exit(1);
+ }
+ monitor_init(monitor_hd, !nographic);
+
+ for(i = 0; i < MAX_SERIAL_PORTS; i++) {
+ if (serial_devices[i][0] != '\0') {
+ serial_hds[i] = qemu_chr_open(serial_devices[i]);
+ if (!serial_hds[i]) {
+ fprintf(stderr, "qemu: could not open serial device '%s'\n",
+ serial_devices[i]);
+ exit(1);
+ }
+ if (!strcmp(serial_devices[i], "vc"))
+ qemu_chr_printf(serial_hds[i], "serial%d console\n", i);
+ }
+ }
+
+ for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
+ if (parallel_devices[i][0] != '\0') {
+ parallel_hds[i] = qemu_chr_open(parallel_devices[i]);
+ if (!parallel_hds[i]) {
+ fprintf(stderr, "qemu: could not open parallel device '%s'\n",
+ parallel_devices[i]);
+ exit(1);
+ }
+ if (!strcmp(parallel_devices[i], "vc"))
+ qemu_chr_printf(parallel_hds[i], "parallel%d console\n", i);
+ }
+ }
+
+ /* setup cpu signal handlers for MMU / self modifying code handling */
+#if !defined(CONFIG_SOFTMMU)
+
+#if defined (TARGET_I386) && defined(USE_CODE_COPY)
+ {
+ stack_t stk;
+ signal_stack = memalign(16, SIGNAL_STACK_SIZE);
+ stk.ss_sp = signal_stack;
+ stk.ss_size = SIGNAL_STACK_SIZE;
+ stk.ss_flags = 0;
+
+ if (sigaltstack(&stk, NULL) < 0) {
+ perror("sigaltstack");
+ exit(1);
+ }
+ }
#endif
- pic_init();
- pit_init();
- serial_init();
-#if defined (TARGET_I386)
- ne2000_init();
+ {
+ struct sigaction act;
+
+ sigfillset(&act.sa_mask);
+ act.sa_flags = SA_SIGINFO;
+#if defined (TARGET_I386) && defined(USE_CODE_COPY)
+ act.sa_flags |= SA_ONSTACK;
#endif
- ide_init();
- kbd_init();
- AUD_init();
- DMA_init();
-#if defined (TARGET_I386)
- SB16_init();
+ act.sa_sigaction = host_segv_handler;
+ sigaction(SIGSEGV, &act, NULL);
+ sigaction(SIGBUS, &act, NULL);
+#if defined (TARGET_I386) && defined(USE_CODE_COPY)
+ sigaction(SIGFPE, &act, NULL);
#endif
-#if defined (TARGET_PPC)
- PPC_end_init();
+ }
#endif
- fdctrl_register((unsigned char **)fd_filename, snapshot, boot_device);
- /* setup cpu signal handlers for MMU / self modifying code handling */
- sigfillset(&act.sa_mask);
- act.sa_flags = SA_SIGINFO;
-#if !defined(CONFIG_SOFTMMU)
- act.sa_sigaction = host_segv_handler;
- sigaction(SIGSEGV, &act, NULL);
- sigaction(SIGBUS, &act, NULL);
-#endif
-
- act.sa_sigaction = host_alarm_handler;
- sigaction(SIGALRM, &act, NULL);
-
- itv.it_interval.tv_sec = 0;
- itv.it_interval.tv_usec = 1000;
- itv.it_value.tv_sec = 0;
- itv.it_value.tv_usec = 10 * 1000;
- setitimer(ITIMER_REAL, &itv, NULL);
- /* we probe the tick duration of the kernel to inform the user if
- the emulated kernel requested a too high timer frequency */
- getitimer(ITIMER_REAL, &itv);
- timer_ms = itv.it_interval.tv_usec / 1000;
- pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * PIT_FREQ) /
- 1000000;
+#ifndef _WIN32
+ {
+ struct sigaction act;
+ sigfillset(&act.sa_mask);
+ act.sa_flags = 0;
+ act.sa_handler = SIG_IGN;
+ sigaction(SIGPIPE, &act, NULL);
+ }
+#endif
+ init_timers();
+
+ machine->init(ram_size, vga_ram_size, boot_device,
+ ds, fd_filename, snapshot,
+ kernel_filename, kernel_cmdline, initrd_filename);
+
+ /* init USB devices */
+ if (usb_enabled) {
+ for(i = 0; i < usb_devices_index; i++) {
+ if (usb_device_add(usb_devices[i]) < 0) {
+ fprintf(stderr, "Warning: could not add USB device %s\n",
+ usb_devices[i]);
+ }
+ }
+ }
+
+ gui_timer = qemu_new_timer(rt_clock, gui_update, NULL);
+ qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock));
+
+#ifdef CONFIG_GDBSTUB
if (use_gdbstub) {
- cpu_gdbstub(NULL, main_loop, gdbstub_port);
- } else {
- main_loop(NULL);
+ if (gdbserver_start(gdbstub_port) < 0) {
+ fprintf(stderr, "Could not open gdbserver socket on port %d\n",
+ gdbstub_port);
+ exit(1);
+ } else {
+ printf("Waiting gdb connection on port %d\n", gdbstub_port);
+ }
+ } else
+#endif
+ if (loadvm)
+ qemu_loadvm(loadvm);
+
+ {
+ /* XXX: simplify init */
+ read_passwords();
+ if (start_emulation) {
+ vm_start();
+ }
}
+ main_loop();
+ quit_timers();
return 0;
}