/*
- * QEMU PC System Emulator
+ * QEMU System Emulator
*
- * Copyright (c) 2003 Fabrice Bellard
+ * Copyright (c) 2003-2004 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 <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>
+#ifdef _BSD
+#include <sys/stat.h>
+#ifndef __APPLE__
+#include <libutil.h>
+#endif
+#else
#include <linux/if.h>
#include <linux/if_tun.h>
+#include <pty.h>
+#include <malloc.h>
+#include <linux/rtc.h>
+#endif
+#endif
+
+#if defined(CONFIG_SLIRP)
+#include "libslirp.h"
+#endif
+
+#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
+
+#ifdef CONFIG_SDL
+#ifdef __APPLE__
+#include <SDL/SDL.h>
+#endif
+#endif /* CONFIG_SDL */
-#include "cpu-i386.h"
#include "disas.h"
-#include "thunk.h"
-#include "vl.h"
+#include "exec-all.h"
-#define DEBUG_LOGFILE "/tmp/vl.log"
-#define DEFAULT_NETWORK_SCRIPT "/etc/vl-ifup"
+//#define DO_TB_FLUSH
+
+#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
//#define DEBUG_UNUSED_IOPORT
-//#define DEBUG_IRQ_LATENCY
+//#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
-#define KERNEL_LOAD_ADDR 0x00100000
-#define INITRD_LOAD_ADDR 0x00400000
-#define KERNEL_PARAMS_ADDR 0x00090000
-
-/* 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 KERNEL_CS 0x10
-#define KERNEL_DS 0x18
-
-typedef void (IOPortWriteFunc)(CPUX86State *env, uint32_t address, uint32_t data);
-typedef uint32_t (IOPortReadFunc)(CPUX86State *env, uint32_t address);
+#ifdef TARGET_PPC
+#define DEFAULT_RAM_SIZE 144
+#else
+#define DEFAULT_RAM_SIZE 128
+#endif
+/* in ms */
+#define GUI_REFRESH_INTERVAL 30
-#define MAX_IOPORTS 4096
+/* XXX: use a two level table to limit memory usage */
+#define MAX_IOPORTS 65536
+const char *bios_dir = CONFIG_QEMU_SHAREDIR;
char phys_ram_file[1024];
-CPUX86State *global_env;
-CPUX86State *cpu_single_env;
-FILE *logfile = NULL;
-int loglevel;
+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;
+int64_t ticks_per_sec;
+int boot_device = 'c';
+int ram_size;
+static char network_script[1024];
+int pit_min_timer_count = 0;
+int nb_nics;
+NetDriverState nd_table[MAX_NICS];
+QEMUTimer *gui_timer;
+int vm_running;
+int audio_enabled = 0;
+int pci_enabled = 1;
+int prep_enabled = 0;
+int rtc_utc = 1;
+int cirrus_vga_enabled = 1;
+int graphic_width = 800;
+int graphic_height = 600;
+int graphic_depth = 15;
+int full_screen = 0;
+TextConsole *vga_console;
+CharDriverState *serial_hds[MAX_SERIAL_PORTS];
/***********************************************************/
-/* x86 io ports */
+/* x86 ISA bus support */
-uint32_t default_ioport_readb(CPUX86State *env, uint32_t address)
+target_phys_addr_t isa_mem_base = 0;
+
+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(CPUX86State *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(CPUX86State *env, uint32_t address)
+uint32_t default_ioport_readw(void *opaque, uint32_t address)
{
uint32_t data;
- data = ioport_read_table[0][address](env, address);
- data |= ioport_read_table[0][address + 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(CPUX86State *env, uint32_t address, uint32_t data)
+void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
{
- ioport_write_table[0][address](env, address, data & 0xff);
- ioport_write_table[0][address + 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(CPUX86State *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(CPUX86State *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 strstart(const char *str, const char *val, const char **ptr)
{
- int fd, size, setup_sects;
- uint8_t bootsect[512];
+ const char *p, *q;
+ p = str;
+ q = val;
+ while (*q != '\0') {
+ if (*p != *q)
+ return 0;
+ p++;
+ q++;
+ }
+ if (ptr)
+ *ptr = p;
+ return 1;
+}
- fd = open(filename, O_RDONLY);
+/* return the size or -1 if error */
+int get_image_size(const char *filename)
+{
+ int fd, size;
+ fd = open(filename, O_RDONLY | O_BINARY);
if (fd < 0)
return -1;
- 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);
- size = read(fd, addr, 16 * 1024 * 1024);
- if (size < 0)
- goto fail;
+ size = lseek(fd, 0, SEEK_END);
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 fd, size;
- fd = open(filename, O_RDONLY);
+ fd = open(filename, O_RDONLY | O_BINARY);
if (fd < 0)
return -1;
size = lseek(fd, 0, SEEK_END);
return size;
}
-void cpu_x86_outb(CPUX86State *env, int addr, int val)
+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);
}
-void cpu_x86_outw(CPUX86State *env, int addr, int val)
+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);
}
-void cpu_x86_outl(CPUX86State *env, int addr, int val)
+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);
}
-int cpu_x86_inb(CPUX86State *env, int addr)
+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
+ return val;
}
-int cpu_x86_inw(CPUX86State *env, int addr)
+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
+ return val;
}
-int cpu_x86_inl(CPUX86State *env, int addr)
+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
+ return val;
}
/***********************************************************/
-void ioport80_write(CPUX86State *env, uint32_t addr, uint32_t data)
-{
-}
-
void hw_error(const char *fmt, ...)
{
va_list ap;
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
#ifdef TARGET_I386
- cpu_x86_dump_state(global_env, stderr, X86_DUMP_FPU | X86_DUMP_CCOP);
+ cpu_dump_state(global_env, stderr, fprintf, X86_DUMP_FPU | X86_DUMP_CCOP);
+#else
+ cpu_dump_state(global_env, stderr, fprintf, 0);
#endif
va_end(ap);
abort();
}
/***********************************************************/
-/* vga emulation */
-static uint8_t vga_index;
-static uint8_t vga_regs[256];
-static int last_cursor_pos;
-
-void update_console_messages(void)
-{
- int c, i, cursor_pos, eol;
-
- cursor_pos = vga_regs[0x0f] | (vga_regs[0x0e] << 8);
- eol = 0;
- for(i = last_cursor_pos; i < cursor_pos; i++) {
- c = phys_ram_base[0xb8000 + (i) * 2];
- if (c >= ' ') {
- putchar(c);
- eol = 0;
- } else {
- if (!eol)
- putchar('\n');
- eol = 1;
- }
- }
- fflush(stdout);
- last_cursor_pos = cursor_pos;
-}
-
-/* just to see first Linux console messages, we intercept cursor position */
-void vga_ioport_write(CPUX86State *env, uint32_t addr, uint32_t data)
-{
- switch(addr) {
- case 0x3d4:
- vga_index = data;
- break;
- case 0x3d5:
- vga_regs[vga_index] = data;
- if (vga_index == 0x0f)
- update_console_messages();
- break;
- }
-
-}
-
-/***********************************************************/
-/* cmos emulation */
-
-#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
+/* keyboard/mouse */
-uint8_t cmos_data[128];
-uint8_t cmos_index;
+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;
-void cmos_ioport_write(CPUX86State *env, uint32_t addr, uint32_t data)
+void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
{
- if (addr == 0x70) {
- cmos_index = data & 0x7f;
- }
+ qemu_put_kbd_event_opaque = opaque;
+ qemu_put_kbd_event = func;
}
-uint32_t cmos_ioport_read(CPUX86State *env, uint32_t addr)
+void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque)
{
- int ret;
-
- if (addr == 0x70) {
- return 0xff;
- } else {
- /* toggle update-in-progress bit for Linux (same hack as
- plex86) */
- ret = cmos_data[cmos_index];
- if (cmos_index == RTC_REG_A)
- cmos_data[RTC_REG_A] ^= 0x80;
- else if (cmos_index == RTC_REG_C)
- cmos_data[RTC_REG_C] = 0x00;
- return ret;
- }
+ qemu_put_mouse_event_opaque = opaque;
+ qemu_put_mouse_event = func;
}
-
-static inline int to_bcd(int a)
+void kbd_put_keycode(int keycode)
{
- return ((a / 10) << 4) | (a % 10);
+ if (qemu_put_kbd_event) {
+ qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
+ }
}
-void cmos_init(void)
+void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
{
- struct tm *tm;
- time_t ti;
-
- 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;
-
- cmos_data[REG_EQUIPMENT_BYTE] = 0x02; /* FPU is there */
-
- register_ioport_write(0x70, 2, cmos_ioport_write, 1);
- register_ioport_read(0x70, 2, cmos_ioport_read, 1);
+ if (qemu_put_mouse_event) {
+ qemu_put_mouse_event(qemu_put_mouse_event_opaque,
+ dx, dy, dz, buttons_state);
+ }
}
/***********************************************************/
-/* 8259 pic emulation */
-
-//#define DEBUG_PIC
-
-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 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;
- }
-}
+/* timers */
+
+#if defined(__powerpc__)
-static inline int get_priority(PicState *s, int mask)
+static inline uint32_t get_tbl(void)
{
- int priority;
- if (mask == 0)
- return -1;
- priority = 7;
- while ((mask & (1 << ((priority + s->priority_add) & 7))) == 0)
- priority--;
- return priority;
+ uint32_t tbl;
+ asm volatile("mftb %0" : "=r" (tbl));
+ return tbl;
}
-/* return the pic wanted interrupt. return -1 if none */
-static int pic_get_irq(PicState *s)
+static inline uint32_t get_tbu(void)
{
- int mask, cur_priority, priority;
-
- 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;
- }
+ uint32_t tbl;
+ asm volatile("mftbu %0" : "=r" (tbl));
+ return tbl;
}
-/* raise irq to CPU if necessary. must be called every time the active
- irq may change */
-static void pic_update_irq(void)
+int64_t cpu_get_real_ticks(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_x86_interrupt(global_env, CPU_INTERRUPT_HARD);
- }
+ uint32_t l, h, h1;
+ /* NOTE: we test if wrapping has occurred */
+ do {
+ h = get_tbu();
+ l = get_tbl();
+ h1 = get_tbu();
+ } while (h != h1);
+ return ((int64_t)h << 32) | l;
}
-#ifdef DEBUG_IRQ_LATENCY
-int64_t irq_time[16];
-int64_t cpu_get_ticks(void);
-#endif
-#ifdef DEBUG_PIC
-int irq_level[16];
-#endif
+#elif defined(__i386__)
-void pic_set_irq(int irq, int level)
+int64_t cpu_get_real_ticks(void)
{
-#ifdef 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();
+ int64_t val;
+ asm volatile ("rdtsc" : "=A" (val));
+ return val;
}
-int cpu_x86_get_pic_interrupt(CPUX86State *env)
+#elif defined(__x86_64__)
+
+int64_t cpu_get_real_ticks(void)
{
- int irq, irq2, intno;
+ uint32_t low,high;
+ int64_t val;
+ asm volatile("rdtsc" : "=a" (low), "=d" (high));
+ val = high;
+ val <<= 32;
+ val |= low;
+ return val;
+}
- /* signal the pic that the irq was acked by the CPU */
- irq = pic_irq_requested;
-#ifdef DEBUG_IRQ_LATENCY
- printf("IRQ%d latency=%Ld\n", irq, cpu_get_ticks() - irq_time[irq]);
-#endif
-#ifdef DEBUG_PIC
- printf("pic_interrupt: irq=%d\n", irq);
+#else
+#error unsupported CPU
#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(CPUX86State *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 & 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;
- break;
- case 0x60 ... 0x67:
- priority = val & 7;
- s->isr &= ~(1 << priority);
- break;
- case 0xc0 ... 0xc7:
- s->priority_add = (val + 1) & 7;
- break;
- case 0xe0 ... 0xe7:
- priority = val & 7;
- s->isr &= ~(1 << priority);
- s->priority_add = (priority + 1) & 7;
- break;
- }
- }
+static int64_t cpu_ticks_offset;
+static int cpu_ticks_enabled;
+
+static inline int64_t cpu_get_ticks(void)
+{
+ if (!cpu_ticks_enabled) {
+ return cpu_ticks_offset;
} 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;
- }
+ return cpu_get_real_ticks() + cpu_ticks_offset;
}
}
-uint32_t pic_ioport_read(CPUX86State *env, uint32_t addr1)
+/* enable cpu_get_ticks() */
+void cpu_enable_ticks(void)
{
- PicState *s;
- unsigned int addr;
- int ret;
-
- addr = addr1;
- s = &pics[addr >> 7];
- addr &= 1;
- if (addr == 0) {
- if (s->read_reg_select)
- ret = s->isr;
- else
- ret = s->irr;
- } else {
- ret = s->imr;
+ if (!cpu_ticks_enabled) {
+ cpu_ticks_offset -= cpu_get_real_ticks();
+ cpu_ticks_enabled = 1;
}
-#ifdef DEBUG_PIC
- printf("pic_read: addr=0x%02x val=0x%02x\n", addr1, ret);
-#endif
- return ret;
}
-void pic_init(void)
+/* disable cpu_get_ticks() : the clock is stopped. You must not call
+ cpu_get_ticks() after that. */
+void cpu_disable_ticks(void)
{
- 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);
+ if (cpu_ticks_enabled) {
+ cpu_ticks_offset = cpu_get_ticks();
+ cpu_ticks_enabled = 0;
+ }
}
-/***********************************************************/
-/* 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 pit_min_timer_count = 0;
-
-int64_t ticks_per_sec;
-
-int64_t get_clock(void)
+static int64_t get_clock(void)
{
+#ifdef _WIN32
+ struct _timeb tb;
+ _ftime(&tb);
+ return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000;
+#else
struct timeval tv;
gettimeofday(&tv, NULL);
return tv.tv_sec * 1000000LL + tv.tv_usec;
-}
-
-int64_t cpu_get_ticks(void)
-{
- int64_t val;
- asm("rdtsc" : "=A" (val));
- return val;
+#endif
}
void cpu_calibrate_ticks(void)
int64_t usec, ticks;
usec = get_clock();
- ticks = cpu_get_ticks();
+ ticks = cpu_get_real_ticks();
+#ifdef _WIN32
+ Sleep(50);
+#else
usleep(50 * 1000);
+#endif
usec = get_clock() - usec;
- ticks = cpu_get_ticks() - ticks;
+ ticks = cpu_get_real_ticks() - ticks;
ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec;
}
/* 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;
- default:
- counter = s->count - (d % s->count);
- break;
- }
- return counter;
-}
+struct QEMUClock {
+ int type;
+ /* XXX: add frequency */
+};
-/* get pit output bit */
-static int pit_get_out(PITChannelState *s)
-{
- uint64_t d;
- int out;
+struct QEMUTimer {
+ QEMUClock *clock;
+ int64_t expire_time;
+ QEMUTimerCB *cb;
+ void *opaque;
+ struct QEMUTimer *next;
+};
- 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);
- break;
- case 4:
- case 5:
- out = (d == s->count);
- break;
- }
- return out;
+QEMUClock *rt_clock;
+QEMUClock *vm_clock;
+
+static QEMUTimer *active_timers[2];
+#ifdef _WIN32
+static MMRESULT timerID;
+#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 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)
+QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
{
- uint64_t d1, d2;
- int64_t ticks;
- int ret, v;
+ QEMUTimer *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);
- 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;
- }
- return ret;
+ ts = qemu_mallocz(sizeof(QEMUTimer));
+ ts->clock = clock;
+ ts->cb = cb;
+ ts->opaque = opaque;
+ return ts;
}
-static inline void pit_load_count(PITChannelState *s, int val)
+void qemu_free_timer(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: vl: 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);
- }
+ qemu_free(ts);
}
-void pit_ioport_write(CPUX86State *env, uint32_t addr, uint32_t val)
+/* stop a timer, but do not dealloc it */
+void qemu_del_timer(QEMUTimer *ts)
{
- int channel, access;
- PITChannelState *s;
+ QEMUTimer **pt, *t;
- 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;
+ /* 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;
- default:
- s->mode = (val >> 1) & 7;
- s->bcd = val & 1;
- s->rw_state = access - 1 + RW_STATE_LSB;
+ if (t == ts) {
+ *pt = t->next;
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);
+ pt = &t->next;
+ }
+}
+
+/* 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)
+{
+ 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;
- case RW_STATE_WORD0:
- case RW_STATE_WORD1:
- if (s->rw_state & 1) {
- pit_load_count(s, (s->latched_count & 0xff) | (val << 8));
- } else {
- s->latched_count = val;
- }
- s->rw_state ^= 1;
+ if (t->expire_time > expire_time)
break;
- }
+ pt = &t->next;
}
+ ts->expire_time = expire_time;
+ ts->next = *pt;
+ *pt = ts;
}
-uint32_t pit_ioport_read(CPUX86State *env, uint32_t addr)
+int qemu_timer_pending(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;
+ QEMUTimer *t;
+ for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
+ if (t == ts)
+ return 1;
}
- return ret;
+ return 0;
}
-void speaker_ioport_write(CPUX86State *env, uint32_t addr, uint32_t val)
+static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
{
- speaker_data_on = (val >> 1) & 1;
- pit_channels[2].gate = val & 1;
+ if (!timer_head)
+ return 0;
+ return (timer_head->expire_time <= current_time);
}
-uint32_t speaker_ioport_read(CPUX86State *env, uint32_t addr)
+static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
{
- int out;
- out = pit_get_out(&pit_channels[2]);
- return (speaker_data_on << 1) | pit_channels[2].gate | (out << 5);
+ QEMUTimer *ts;
+
+ for(;;) {
+ ts = *ptimer_head;
+ if (!ts || ts->expire_time > current_time)
+ break;
+ /* 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);
+ }
}
-void pit_init(void)
+int64_t qemu_get_clock(QEMUClock *clock)
{
- PITChannelState *s;
- int i;
+ 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 {
+ return ((int64_t)times(&tp) * 1000) / timer_freq;
+ }
+ }
+#endif
+ default:
+ case QEMU_TIMER_VIRTUAL:
+ return cpu_get_ticks();
+ }
+}
- cpu_calibrate_ticks();
+/* save a timer */
+void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
+{
+ uint64_t expire_time;
- for(i = 0;i < 3; i++) {
- s = &pit_channels[i];
- s->mode = 3;
- s->gate = (i != 2);
- pit_load_count(s, 0);
+ if (qemu_timer_pending(ts)) {
+ expire_time = ts->expire_time;
+ } else {
+ expire_time = -1;
}
+ qemu_put_be64(f, expire_time);
+}
- register_ioport_write(0x40, 4, pit_ioport_write, 1);
- register_ioport_read(0x40, 3, pit_ioport_read, 1);
+void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
+{
+ uint64_t expire_time;
- register_ioport_read(0x61, 1, speaker_ioport_read, 1);
- register_ioport_write(0x61, 1, speaker_ioport_write, 1);
+ expire_time = qemu_get_be64(f);
+ if (expire_time != -1) {
+ qemu_mod_timer(ts, expire_time);
+ } else {
+ qemu_del_timer(ts);
+ }
}
-/***********************************************************/
-/* serial port emulation */
-
-#define UART_IRQ 4
-
-#define UART_LCR_DLAB 0x80 /* Divisor latch access bit */
-
-#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 */
-
-#define UART_IIR_NO_INT 0x01 /* No interrupts pending */
-#define UART_IIR_ID 0x06 /* Mask for the interrupt ID */
-
-#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 */
-
-#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;
-} 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->lsr & UART_LSR_THRE) && (s->ier & UART_IER_THRI)) {
- s->iir = UART_IIR_THRI;
- } else {
- s->iir = UART_IIR_NO_INT;
+static void timer_save(QEMUFile *f, void *opaque)
+{
+ if (cpu_ticks_enabled) {
+ hw_error("cannot save state if virtual timers are running");
}
- if (s->iir != UART_IIR_NO_INT) {
- pic_set_irq(UART_IRQ, 1);
- } else {
- pic_set_irq(UART_IRQ, 0);
+ qemu_put_be64s(f, &cpu_ticks_offset);
+ qemu_put_be64s(f, &ticks_per_sec);
+}
+
+static int timer_load(QEMUFile *f, void *opaque, int version_id)
+{
+ 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;
}
-void serial_ioport_write(CPUX86State *env, uint32_t addr, uint32_t val)
+#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
{
- SerialState *s = &serial_ports[0];
- unsigned char ch;
- int ret;
-
- addr &= 7;
- switch(addr) {
- default:
- case 0:
- if (s->lcr & UART_LCR_DLAB) {
- s->divider = (s->divider & 0xff00) | val;
- } else {
- s->lsr &= ~UART_LSR_THRE;
- serial_update_irq();
-
- ch = val;
- do {
- ret = write(1, &ch, 1);
- } while (ret != 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();
+#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;
+ }
}
- 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;
+ 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))) {
+ /* stop the cpu because a timer occured */
+ cpu_interrupt(global_env, CPU_INTERRUPT_EXIT);
}
}
-uint32_t serial_ioport_read(CPUX86State *env, uint32_t addr)
+#ifndef _WIN32
+
+#if defined(__linux__)
+
+#define RTC_FREQ 1024
+
+static int rtc_fd;
+
+static int start_rtc_timer(void)
{
- SerialState *s = &serial_ports[0];
- uint32_t ret;
+ 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 (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
+ fail:
+ close(rtc_fd);
+ return -1;
+ }
+ pit_min_timer_count = PIT_FREQ / RTC_FREQ;
+ return 0;
+}
- 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();
+#else
+
+static int start_rtc_timer(void)
+{
+ return -1;
+}
+
+#endif /* !defined(__linux__) */
+
+#endif /* !defined(_WIN32) */
+
+static void init_timers(void)
+{
+ rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
+ vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
+
+#ifdef _WIN32
+ {
+ int count=0;
+ timerID = timeSetEvent(10, // interval (ms)
+ 0, // resolution
+ host_alarm_handler, // function
+ (DWORD)&count, // user parameter
+ TIME_PERIODIC | TIME_CALLBACK_FUNCTION);
+ if( !timerID ) {
+ perror("failed timer alarm");
+ exit(1);
+ }
+ }
+ 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 = 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);
+
+#if defined(__linux__)
+ if (itv.it_interval.tv_usec > 1000) {
+ /* 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 1:
- if (s->lcr & UART_LCR_DLAB) {
- ret = (s->divider >> 8) & 0xff;
+ }
+#endif
+}
+
+void quit_timers(void)
+{
+#ifdef _WIN32
+ timeKillEvent(timerID);
+#endif
+}
+
+/***********************************************************/
+/* character device */
+
+int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
+{
+ return s->chr_write(s, buf, len);
+}
+
+void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
+{
+ 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);
+}
+
+void qemu_chr_send_event(CharDriverState *s, int event)
+{
+ if (s->chr_send_event)
+ s->chr_send_event(s, event);
+}
+
+void qemu_chr_add_read_handler(CharDriverState *s,
+ IOCanRWHandler *fd_can_read,
+ IOReadHandler *fd_read, void *opaque)
+{
+ 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 int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
+{
+ return len;
+}
+
+static void null_chr_add_read_handler(CharDriverState *chr,
+ IOCanRWHandler *fd_can_read,
+ IOReadHandler *fd_read, void *opaque)
+{
+}
+
+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;
+}
+
+#ifndef _WIN32
+
+typedef struct {
+ int fd_in, fd_out;
+ /* for nographic stdio only */
+ IOCanRWHandler *fd_can_read;
+ IOReadHandler *fd_read;
+ void *fd_opaque;
+} FDCharDriver;
+
+#define STDIO_MAX_CLIENTS 2
+
+static int stdio_nb_clients;
+static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
+
+static int unix_write(int fd, const uint8_t *buf, int len1)
+{
+ int ret, len;
+
+ 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 {
- ret = s->ier;
+ buf += ret;
+ len -= ret;
}
- break;
- case 2:
- ret = s->iir;
- break;
- case 3:
- ret = s->lcr;
- break;
- case 4:
- ret = s->mcr;
- break;
- case 5:
- ret = s->lsr;
- break;
- case 6:
- ret = s->msr;
- break;
- case 7:
- ret = s->scr;
- break;
}
- return ret;
+ return len1 - len;
+}
+
+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);
+}
+
+static void fd_chr_add_read_handler(CharDriverState *chr,
+ IOCanRWHandler *fd_can_read,
+ IOReadHandler *fd_read, void *opaque)
+{
+ FDCharDriver *s = chr->opaque;
+
+ if (nographic && s->fd_in == 0) {
+ s->fd_can_read = fd_can_read;
+ s->fd_read = fd_read;
+ s->fd_opaque = opaque;
+ } else {
+ qemu_add_fd_read_handler(s->fd_in, fd_can_read, fd_read, opaque);
+ }
+}
+
+/* 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;
}
+/* for STDIO, we handle the case where several clients use it
+ (nographic mode) */
+
#define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
-static int term_got_escape;
+
+static int term_got_escape, client_index;
void term_print_help(void)
{
printf("\n"
"C-a h print this help\n"
- "C-a x exit emulatior\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"
);
}
/* called when a char is received */
-void serial_received_byte(SerialState *s, int ch)
+static void stdio_received_byte(int ch)
{
if (term_got_escape) {
term_got_escape = 0;
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]);
+ }
+ }
+ break;
case 'b':
- /* send break */
- s->rbr = 0;
- s->lsr |= UART_LSR_BI | UART_LSR_DR;
- serial_update_irq();
+ 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;
+ 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;
term_got_escape = 1;
} else {
send_char:
- s->rbr = ch;
- s->lsr |= UART_LSR_DR;
- serial_update_irq();
+ if (client_index < stdio_nb_clients) {
+ uint8_t buf[1];
+ CharDriverState *chr;
+ FDCharDriver *s;
+
+ chr = stdio_clients[client_index];
+ s = chr->opaque;
+ buf[0] = ch;
+ /* XXX: should queue the char if the device is not
+ ready */
+ if (s->fd_can_read(s->fd_opaque) > 0)
+ s->fd_read(s->fd_opaque, buf, 1);
+ }
}
}
+static int stdio_can_read(void *opaque)
+{
+ /* XXX: not strictly correct */
+ return 1;
+}
+
+static void stdio_read(void *opaque, const uint8_t *buf, int size)
+{
+ int i;
+ for(i = 0; i < size; i++)
+ stdio_received_byte(buf[i]);
+}
+
/* init terminal so that we can grab keys */
static struct termios oldtty;
+static int old_fd0_flags;
static void term_exit(void)
{
tcsetattr (0, TCSANOW, &oldtty);
+ fcntl(0, F_SETFL, old_fd0_flags);
}
static void term_init(void)
tcgetattr (0, &tty);
oldtty = tty;
+ old_fd0_flags = fcntl(0, F_GETFL);
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_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;
fcntl(0, F_SETFL, O_NONBLOCK);
}
-void serial_init(void)
+CharDriverState *qemu_chr_open_stdio(void)
{
- SerialState *s = &serial_ports[0];
-
- s->lsr = UART_LSR_TEMT | UART_LSR_THRE;
+ CharDriverState *chr;
- register_ioport_write(0x3f8, 8, serial_ioport_write, 1);
- register_ioport_read(0x3f8, 8, serial_ioport_read, 1);
-
- term_init();
+ if (nographic) {
+ if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
+ return NULL;
+ chr = qemu_chr_open_fd(0, 1);
+ if (stdio_nb_clients == 0)
+ qemu_add_fd_read_handler(0, stdio_can_read, stdio_read, NULL);
+ client_index = stdio_nb_clients;
+ } else {
+ if (stdio_nb_clients != 0)
+ return NULL;
+ chr = qemu_chr_open_fd(0, 1);
+ }
+ stdio_clients[stdio_nb_clients++] = chr;
+ if (stdio_nb_clients == 1) {
+ /* set the terminal in raw mode */
+ term_init();
+ }
+ return chr;
}
-/***********************************************************/
-/* ne2000 emulation */
-
-//#define DEBUG_NE2000
-
-#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;
-
- 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;
-
- /* duplicate prom data */
- for(i = 15;i >= 0; i--) {
- s->mem[2 * i] = s->mem[i];
- s->mem[2 * i + 1] = s->mem[i];
+#if defined(__linux__)
+CharDriverState *qemu_chr_open_pty(void)
+{
+ char slave_name[1024];
+ int master_fd, slave_fd;
+
+ /* Not satisfying */
+ if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) {
+ return NULL;
}
+ fprintf(stderr, "char device redirected to %s\n", slave_name);
+ return qemu_chr_open_fd(master_fd, master_fd);
}
-
-void ne2000_update_irq(NE2000State *s)
+#else
+CharDriverState *qemu_chr_open_pty(void)
{
- int isr;
- isr = s->isr & s->imr;
- if (isr)
- pic_set_irq(NE2000_IRQ, 1);
- else
- pic_set_irq(NE2000_IRQ, 0);
+ return NULL;
}
+#endif
-int net_init(void)
-{
- 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;
+#endif /* !defined(_WIN32) */
+
+CharDriverState *qemu_chr_open(const char *filename)
+{
+ if (!strcmp(filename, "vc")) {
+ return text_console_init(&display_state);
+ } else if (!strcmp(filename, "null")) {
+ return qemu_chr_open_null();
+ } else
+#ifndef _WIN32
+ if (!strcmp(filename, "pty")) {
+ return qemu_chr_open_pty();
+ } else if (!strcmp(filename, "stdio")) {
+ return qemu_chr_open_stdio();
+ } else
+#endif
+ {
+ return NULL;
}
- printf("Connected to host network interface: %s\n", ifr.ifr_name);
- fcntl(fd, F_SETFL, O_NONBLOCK);
- net_fd = fd;
+}
- /* 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);
+/***********************************************************/
+/* Linux 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, " ");
}
- 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);
+ fprintf(f, " ");
+ for(j=0;j<len;j++) {
+ c = buf[i+j];
+ if (c < ' ' || c > '~')
+ c = '.';
+ fprintf(f, "%c", c);
}
+ fprintf(f, "\n");
}
- return 0;
}
-void net_send_packet(NE2000State *s, const uint8_t *buf, int size)
+void qemu_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
{
-#ifdef DEBUG_NE2000
- printf("NE2000: sending packet size=%d\n", size);
-#endif
- write(net_fd, buf, size);
+ nd->send_packet(nd, buf, size);
}
-/* return true if the NE2000 can receive more data */
-int ne2000_can_receive(NE2000State *s)
+void qemu_add_read_packet(NetDriverState *nd, IOCanRWHandler *fd_can_read,
+ IOReadHandler *fd_read, void *opaque)
{
- int avail, index, boundary;
-
- 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;
+ nd->add_read_packet(nd, fd_can_read, fd_read, opaque);
}
-void ne2000_receive(NE2000State *s, uint8_t *buf, int size)
-{
- uint8_t *p;
- int total_len, next, avail, len, index;
-
-#if defined(DEBUG_NE2000)
- printf("NE2000: received len=%d\n", size);
-#endif
-
- 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;
-
- /* 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);
-}
+/* dummy network adapter */
-void ne2000_ioport_write(CPUX86State *env, uint32_t addr, uint32_t val)
+static void dummy_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
{
- NE2000State *s = &ne2000_state;
- int offset, page;
-
- 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;
- }
- }
}
-uint32_t ne2000_ioport_read(CPUX86State *env, uint32_t addr)
+static void dummy_add_read_packet(NetDriverState *nd,
+ IOCanRWHandler *fd_can_read,
+ IOReadHandler *fd_read, void *opaque)
{
- NE2000State *s = &ne2000_state;
- int offset, page, ret;
+}
- 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;
- break;
- case EN1_PHYS ... EN1_PHYS + 5:
- ret = s->phys[offset - EN1_PHYS];
- break;
- case EN1_CURPAG:
- ret = s->curpag;
- break;
- case EN1_MULT ... EN1_MULT + 7:
- ret = s->mult[offset - EN1_MULT];
- break;
- default:
- ret = 0x00;
- break;
- }
- }
-#ifdef DEBUG_NE2000
- printf("NE2000: read addr=0x%x val=%02x\n", addr, ret);
-#endif
- return ret;
+static int net_dummy_init(NetDriverState *nd)
+{
+ nd->send_packet = dummy_send_packet;
+ nd->add_read_packet = dummy_add_read_packet;
+ pstrcpy(nd->ifname, sizeof(nd->ifname), "dummy");
+ return 0;
}
-void ne2000_asic_ioport_write(CPUX86State *env, uint32_t addr, uint32_t val)
+#if defined(CONFIG_SLIRP)
+
+/* slirp network adapter */
+
+static void *slirp_fd_opaque;
+static IOCanRWHandler *slirp_fd_can_read;
+static IOReadHandler *slirp_fd_read;
+static int slirp_inited;
+
+int slirp_can_output(void)
{
- NE2000State *s = &ne2000_state;
- uint8_t *p;
+ return slirp_fd_can_read(slirp_fd_opaque);
+}
-#ifdef DEBUG_NE2000
- printf("NE2000: asic write val=0x%04x\n", val);
+void slirp_output(const uint8_t *pkt, int pkt_len)
+{
+#if 0
+ printf("output:\n");
+ hex_dump(stdout, pkt, pkt_len);
#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;
- } 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);
- }
+ slirp_fd_read(slirp_fd_opaque, pkt, pkt_len);
}
-uint32_t ne2000_asic_ioport_read(CPUX86State *env, uint32_t addr)
+static void slirp_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
{
- 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);
+#if 0
+ printf("input:\n");
+ hex_dump(stdout, buf, size);
#endif
- return ret;
+ slirp_input(buf, size);
}
-void ne2000_reset_ioport_write(CPUX86State *env, uint32_t addr, uint32_t val)
+static void slirp_add_read_packet(NetDriverState *nd,
+ IOCanRWHandler *fd_can_read,
+ IOReadHandler *fd_read, void *opaque)
{
- /* nothing to do (end of reset pulse) */
+ slirp_fd_opaque = opaque;
+ slirp_fd_can_read = fd_can_read;
+ slirp_fd_read = fd_read;
}
-uint32_t ne2000_reset_ioport_read(CPUX86State *env, uint32_t addr)
+static int net_slirp_init(NetDriverState *nd)
{
- ne2000_reset();
+ if (!slirp_inited) {
+ slirp_inited = 1;
+ slirp_init();
+ }
+ nd->send_packet = slirp_send_packet;
+ nd->add_read_packet = slirp_add_read_packet;
+ pstrcpy(nd->ifname, sizeof(nd->ifname), "slirp");
return 0;
}
-void ne2000_init(void)
+static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
{
- 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);
-
- 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();
-}
+ 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;
+}
-/***********************************************************/
-/* ide emulation */
-
-//#define DEBUG_IDE
-
-/* Bits of HD_STATUS */
-#define ERR_STAT 0x01
-#define INDEX_STAT 0x02
-#define ECC_STAT 0x04 /* Corrected error */
-#define DRQ_STAT 0x08
-#define SEEK_STAT 0x10
-#define SRV_STAT 0x10
-#define WRERR_STAT 0x20
-#define READY_STAT 0x40
-#define BUSY_STAT 0x80
-
-/* Bits for HD_ERROR */
-#define MARK_ERR 0x01 /* Bad address mark */
-#define TRK0_ERR 0x02 /* couldn't find track 0 */
-#define ABRT_ERR 0x04 /* Command aborted */
-#define MCR_ERR 0x08 /* media change request */
-#define ID_ERR 0x10 /* ID field not found */
-#define MC_ERR 0x20 /* media changed */
-#define ECC_ERR 0x40 /* Uncorrectable ECC error */
-#define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */
-#define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */
-
-/* Bits of HD_NSECTOR */
-#define CD 0x01
-#define IO 0x02
-#define REL 0x04
-#define TAG_MASK 0xf8
-
-#define IDE_CMD_RESET 0x04
-#define IDE_CMD_DISABLE_IRQ 0x02
-
-/* ATA/ATAPI Commands pre T13 Spec */
-#define WIN_NOP 0x00
-/*
- * 0x01->0x02 Reserved
- */
-#define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */
-/*
- * 0x04->0x07 Reserved
- */
-#define WIN_SRST 0x08 /* ATAPI soft reset command */
-#define WIN_DEVICE_RESET 0x08
-/*
- * 0x09->0x0F Reserved
- */
-#define WIN_RECAL 0x10
-#define WIN_RESTORE WIN_RECAL
-/*
- * 0x10->0x1F Reserved
- */
-#define WIN_READ 0x20 /* 28-Bit */
-#define WIN_READ_ONCE 0x21 /* 28-Bit without retries */
-#define WIN_READ_LONG 0x22 /* 28-Bit */
-#define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */
-#define WIN_READ_EXT 0x24 /* 48-Bit */
-#define WIN_READDMA_EXT 0x25 /* 48-Bit */
-#define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */
-#define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
-/*
- * 0x28
- */
-#define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
-/*
- * 0x2A->0x2F Reserved
- */
-#define WIN_WRITE 0x30 /* 28-Bit */
-#define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */
-#define WIN_WRITE_LONG 0x32 /* 28-Bit */
-#define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */
-#define WIN_WRITE_EXT 0x34 /* 48-Bit */
-#define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
-#define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
-#define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
-#define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */
-#define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
-/*
- * 0x3A->0x3B Reserved
- */
-#define WIN_WRITE_VERIFY 0x3C /* 28-Bit */
-/*
- * 0x3D->0x3F Reserved
- */
-#define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
-#define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */
-#define WIN_VERIFY_EXT 0x42 /* 48-Bit */
-/*
- * 0x43->0x4F Reserved
- */
-#define WIN_FORMAT 0x50
-/*
- * 0x51->0x5F Reserved
- */
-#define WIN_INIT 0x60
-/*
- * 0x61->0x5F Reserved
- */
-#define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */
-#define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
-#define WIN_DIAGNOSE 0x90
-#define WIN_SPECIFY 0x91 /* set drive geometry translation */
-#define WIN_DOWNLOAD_MICROCODE 0x92
-#define WIN_STANDBYNOW2 0x94
-#define WIN_STANDBY2 0x96
-#define WIN_SETIDLE2 0x97
-#define WIN_CHECKPOWERMODE2 0x98
-#define WIN_SLEEPNOW2 0x99
-/*
- * 0x9A VENDOR
- */
-#define WIN_PACKETCMD 0xA0 /* Send a packet command. */
-#define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
-#define WIN_QUEUED_SERVICE 0xA2
-#define WIN_SMART 0xB0 /* self-monitoring and reporting */
-#define CFA_ERASE_SECTORS 0xC0
-#define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/
-#define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
-#define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
-#define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */
-#define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
-#define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */
-#define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
-#define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */
-#define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */
-#define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */
-#define WIN_GETMEDIASTATUS 0xDA
-#define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */
-#define WIN_POSTBOOT 0xDC
-#define WIN_PREBOOT 0xDD
-#define WIN_DOORLOCK 0xDE /* lock door on removable drives */
-#define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */
-#define WIN_STANDBYNOW1 0xE0
-#define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
-#define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
-#define WIN_SETIDLE1 0xE3
-#define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
-#define WIN_CHECKPOWERMODE1 0xE5
-#define WIN_SLEEPNOW1 0xE6
-#define WIN_FLUSH_CACHE 0xE7
-#define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
-#define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */
- /* SET_FEATURES 0x22 or 0xDD */
-#define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
-#define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
-#define WIN_MEDIAEJECT 0xED
-#define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */
-#define WIN_SETFEATURES 0xEF /* set special drive features */
-#define EXABYTE_ENABLE_NEST 0xF0
-#define WIN_SECURITY_SET_PASS 0xF1
-#define WIN_SECURITY_UNLOCK 0xF2
-#define WIN_SECURITY_ERASE_PREPARE 0xF3
-#define WIN_SECURITY_ERASE_UNIT 0xF4
-#define WIN_SECURITY_FREEZE_LOCK 0xF5
-#define WIN_SECURITY_DISABLE 0xF6
-#define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */
-#define WIN_SET_MAX 0xF9
-#define DISABLE_SEAGATE 0xFB
-
-/* set to 1 set disable mult support */
-#define MAX_MULT_SECTORS 8
-
-#define MAX_DISKS 2
-
-struct IDEState;
-
-typedef void EndTransferFunc(struct IDEState *);
-
-typedef struct IDEState {
- /* ide config */
- int cylinders, heads, sectors;
- int64_t nb_sectors;
- int mult_sectors;
- int irq;
- /* ide regs */
- uint8_t feature;
- uint8_t error;
- uint16_t nsector; /* 0 is 256 to ease computations */
- uint8_t sector;
- uint8_t lcyl;
- uint8_t hcyl;
- uint8_t select;
- uint8_t status;
- /* 0x3f6 command, only meaningful for drive 0 */
- uint8_t cmd;
- /* depends on bit 4 in select, only meaningful for drive 0 */
- struct IDEState *cur_drive;
- BlockDriverState *bs;
- int req_nb_sectors; /* number of sectors per interrupt */
- EndTransferFunc *end_transfer_func;
- uint8_t *data_ptr;
- uint8_t *data_end;
- uint8_t io_buffer[MAX_MULT_SECTORS*512 + 4];
-} IDEState;
+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();
+ }
-BlockDriverState *bs_table[MAX_DISKS];
-IDEState ide_state[MAX_DISKS];
+ 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;
+ }
-static void padstr(char *str, const char *src, int len)
-{
- int i, v;
- for(i = 0; i < len; i++) {
- if (*src)
- v = *src++;
- else
- v = ' ';
- *(char *)((long)str ^ 1) = v;
- str++;
+ 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
-static void ide_identify(IDEState *s)
+char smb_dir[1024];
+
+static void smb_exit(void)
{
- uint16_t *p;
- unsigned int oldsize;
+ DIR *d;
+ struct dirent *de;
+ char filename[1024];
- memset(s->io_buffer, 0, 512);
- p = (uint16_t *)s->io_buffer;
- stw(p + 0, 0x0040);
- stw(p + 1, s->cylinders);
- stw(p + 3, s->heads);
- stw(p + 4, 512 * s->sectors); /* sectors */
- stw(p + 5, 512); /* sector size */
- stw(p + 6, s->sectors);
- stw(p + 20, 3); /* buffer type */
- stw(p + 21, 512); /* cache size in sectors */
- stw(p + 22, 4); /* ecc bytes */
- padstr((uint8_t *)(p + 27), "QEMU HARDDISK", 40);
-#if MAX_MULT_SECTORS > 1
- stw(p + 47, MAX_MULT_SECTORS);
-#endif
- stw(p + 48, 1); /* dword I/O */
- stw(p + 49, 1 << 9); /* LBA supported, no DMA */
- stw(p + 51, 0x200); /* PIO transfer cycle */
- stw(p + 52, 0x200); /* DMA transfer cycle */
- stw(p + 54, s->cylinders);
- stw(p + 55, s->heads);
- stw(p + 56, s->sectors);
- oldsize = s->cylinders * s->heads * s->sectors;
- stw(p + 57, oldsize);
- stw(p + 58, oldsize >> 16);
- if (s->mult_sectors)
- stw(p + 59, 0x100 | s->mult_sectors);
- stw(p + 60, s->nb_sectors);
- stw(p + 61, s->nb_sectors >> 16);
- stw(p + 80, (1 << 1) | (1 << 2));
- stw(p + 82, (1 << 14));
- stw(p + 83, (1 << 14));
- stw(p + 84, (1 << 14));
- stw(p + 85, (1 << 14));
- stw(p + 86, 0);
- stw(p + 87, (1 << 14));
+ /* 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);
}
-static inline void ide_abort_command(IDEState *s)
+/* automatic user mode samba server configuration */
+void net_slirp_smb(const char *exported_dir)
{
- s->status = READY_STAT | ERR_STAT;
- s->error = ABRT_ERR;
+ 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"
+ "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,
+ 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);
}
-static inline void ide_set_irq(IDEState *s)
+#endif /* !defined(_WIN32) */
+
+#endif /* CONFIG_SLIRP */
+
+#if !defined(_WIN32)
+#ifdef _BSD
+static int tun_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;
+}
+#else
+static int tun_open(char *ifname, int ifname_size)
{
- if (!(ide_state[0].cmd & IDE_CMD_DISABLE_IRQ)) {
- pic_set_irq(s->irq, 1);
+ 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;
+ 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);
+ pstrcpy(ifname, ifname_size, ifr.ifr_name);
+ fcntl(fd, F_SETFL, O_NONBLOCK);
+ return fd;
}
+#endif
-/* prepare data transfer and tell what to do after */
-static void ide_transfer_start(IDEState *s, int size,
- EndTransferFunc *end_transfer_func)
+static void tun_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
{
- s->end_transfer_func = end_transfer_func;
- s->data_ptr = s->io_buffer;
- s->data_end = s->io_buffer + size;
- s->status |= DRQ_STAT;
+ write(nd->fd, buf, size);
}
-static void ide_transfer_stop(IDEState *s)
+static void tun_add_read_packet(NetDriverState *nd,
+ IOCanRWHandler *fd_can_read,
+ IOReadHandler *fd_read, void *opaque)
{
- s->end_transfer_func = ide_transfer_stop;
- s->data_ptr = s->io_buffer;
- s->data_end = s->io_buffer;
- s->status &= ~DRQ_STAT;
+ qemu_add_fd_read_handler(nd->fd, fd_can_read, fd_read, opaque);
}
-static int64_t ide_get_sector(IDEState *s)
+static int net_tun_init(NetDriverState *nd)
{
- int64_t sector_num;
- if (s->select & 0x40) {
- /* lba */
- sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) |
- (s->lcyl << 8) | s->sector;
- } else {
- sector_num = ((s->hcyl << 8) | s->lcyl) * s->heads * s->sectors +
- (s->select & 0x0f) * s->sectors +
- (s->sector - 1);
+ int pid, status;
+ char *args[3];
+ char **parg;
+
+ nd->fd = tun_open(nd->ifname, sizeof(nd->ifname));
+ if (nd->fd < 0)
+ return -1;
+
+ /* try to launch network init script */
+ pid = fork();
+ if (pid >= 0) {
+ if (pid == 0) {
+ parg = args;
+ *parg++ = network_script;
+ *parg++ = nd->ifname;
+ *parg++ = NULL;
+ execv(network_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",
+ network_script);
+ }
}
- return sector_num;
+ nd->send_packet = tun_send_packet;
+ nd->add_read_packet = tun_add_read_packet;
+ return 0;
}
-static void ide_set_sector(IDEState *s, int64_t sector_num)
+static int net_fd_init(NetDriverState *nd, int fd)
+{
+ nd->fd = fd;
+ nd->send_packet = tun_send_packet;
+ nd->add_read_packet = tun_add_read_packet;
+ pstrcpy(nd->ifname, sizeof(nd->ifname), "tunfd");
+ return 0;
+}
+
+#endif /* !_WIN32 */
+
+/***********************************************************/
+/* dumb display */
+
+static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
{
- unsigned int cyl, r;
- if (s->select & 0x40) {
- s->select = (s->select & 0xf0) | (sector_num >> 24);
- s->hcyl = (sector_num >> 16);
- s->lcyl = (sector_num >> 8);
- s->sector = (sector_num);
- } else {
- cyl = sector_num / (s->heads * s->sectors);
- r = sector_num % (s->heads * s->sectors);
- s->hcyl = cyl >> 8;
- s->lcyl = cyl;
- s->select = (s->select & 0xf0) | (r / s->sectors);
- s->sector = (r % s->sectors) + 1;
- }
}
-static void ide_sector_read(IDEState *s)
+static void dumb_resize(DisplayState *ds, int w, int h)
{
- int64_t sector_num;
- int ret, n;
+}
- s->status = READY_STAT | SEEK_STAT;
- sector_num = ide_get_sector(s);
- n = s->nsector;
- if (n == 0) {
- /* no more sector to read from disk */
- ide_transfer_stop(s);
- } else {
-#if defined(DEBUG_IDE)
- printf("read sector=%Ld\n", sector_num);
-#endif
- if (n > s->req_nb_sectors)
- n = s->req_nb_sectors;
- ret = bdrv_read(s->bs, sector_num, s->io_buffer, n);
- ide_transfer_start(s, 512 * n, ide_sector_read);
- ide_set_irq(s);
- ide_set_sector(s, sector_num + n);
- s->nsector -= n;
- }
+static void dumb_refresh(DisplayState *ds)
+{
+ vga_update_display();
}
-static void ide_sector_write(IDEState *s)
+void dumb_display_init(DisplayState *ds)
{
- int64_t sector_num;
- int ret, n, n1;
+ ds->data = NULL;
+ ds->linesize = 0;
+ ds->depth = 0;
+ ds->dpy_update = dumb_update;
+ ds->dpy_resize = dumb_resize;
+ ds->dpy_refresh = dumb_refresh;
+}
- s->status = READY_STAT | SEEK_STAT;
- sector_num = ide_get_sector(s);
-#if defined(DEBUG_IDE)
- printf("write sector=%Ld\n", sector_num);
+#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
- n = s->nsector;
- if (n > s->req_nb_sectors)
- n = s->req_nb_sectors;
- ret = bdrv_write(s->bs, sector_num, s->io_buffer, n);
- s->nsector -= n;
- if (s->nsector == 0) {
- /* no more sector to write */
- ide_transfer_stop(s);
- } else {
- n1 = s->nsector;
- if (n1 > s->req_nb_sectors)
- n1 = s->req_nb_sectors;
- ide_transfer_start(s, 512 * n1, ide_sector_write);
- }
- ide_set_sector(s, sector_num + n);
- ide_set_irq(s);
+
+/***********************************************************/
+/* I/O handling */
+
+#define MAX_IO_HANDLERS 64
+
+typedef struct IOHandlerRecord {
+ int fd;
+ IOCanRWHandler *fd_can_read;
+ IOReadHandler *fd_read;
+ void *opaque;
+ /* temporary data */
+ struct pollfd *ufd;
+ int max_size;
+ struct IOHandlerRecord *next;
+} IOHandlerRecord;
+
+static IOHandlerRecord *first_io_handler;
+
+int qemu_add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read,
+ IOReadHandler *fd_read, void *opaque)
+{
+ IOHandlerRecord *ioh;
+
+ ioh = qemu_mallocz(sizeof(IOHandlerRecord));
+ if (!ioh)
+ return -1;
+ ioh->fd = fd;
+ ioh->fd_can_read = fd_can_read;
+ ioh->fd_read = fd_read;
+ ioh->opaque = opaque;
+ ioh->next = first_io_handler;
+ first_io_handler = ioh;
+ return 0;
}
-void ide_ioport_write(CPUX86State *env, uint32_t addr, uint32_t val)
+void qemu_del_fd_read_handler(int fd)
{
- IDEState *s = ide_state[0].cur_drive;
- int unit, n;
+ IOHandlerRecord **pioh, *ioh;
- addr &= 7;
-#ifdef DEBUG_IDE
- printf("IDE: write addr=0x%x val=0x%02x\n", addr, val);
-#endif
- switch(addr) {
- case 0:
- break;
- case 1:
- s->feature = val;
- break;
- case 2:
- if (val == 0)
- val = 256;
- s->nsector = val;
- break;
- case 3:
- s->sector = val;
- break;
- case 4:
- s->lcyl = val;
- break;
- case 5:
- s->hcyl = val;
- break;
- case 6:
- /* select drive */
- unit = (val >> 4) & 1;
- s = &ide_state[unit];
- ide_state[0].cur_drive = s;
- s->select = val;
- break;
- default:
- case 7:
- /* command */
-#if defined(DEBUG_IDE)
- printf("ide: CMD=%02x\n", val);
-#endif
- switch(val) {
- case WIN_PIDENTIFY:
- case WIN_IDENTIFY:
- if (s->bs) {
- ide_identify(s);
- s->status = READY_STAT;
- ide_transfer_start(s, 512, ide_transfer_stop);
- } else {
- ide_abort_command(s);
- }
- ide_set_irq(s);
- break;
- case WIN_SPECIFY:
- case WIN_RECAL:
- s->status = READY_STAT;
- ide_set_irq(s);
- break;
- case WIN_SETMULT:
- if (s->nsector > MAX_MULT_SECTORS ||
- s->nsector == 0 ||
- (s->nsector & (s->nsector - 1)) != 0) {
- ide_abort_command(s);
- } else {
- s->mult_sectors = s->nsector;
- s->status = READY_STAT;
- }
- ide_set_irq(s);
- break;
- case WIN_READ:
- case WIN_READ_ONCE:
- s->req_nb_sectors = 1;
- ide_sector_read(s);
- break;
- case WIN_WRITE:
- case WIN_WRITE_ONCE:
- s->status = SEEK_STAT;
- s->req_nb_sectors = 1;
- ide_transfer_start(s, 512, ide_sector_write);
- break;
- case WIN_MULTREAD:
- if (!s->mult_sectors)
- goto abort_cmd;
- s->req_nb_sectors = s->mult_sectors;
- ide_sector_read(s);
- break;
- case WIN_MULTWRITE:
- if (!s->mult_sectors)
- goto abort_cmd;
- s->status = SEEK_STAT;
- s->req_nb_sectors = s->mult_sectors;
- n = s->nsector;
- if (n > s->req_nb_sectors)
- n = s->req_nb_sectors;
- ide_transfer_start(s, 512 * n, ide_sector_write);
+ pioh = &first_io_handler;
+ for(;;) {
+ ioh = *pioh;
+ if (ioh == NULL)
break;
- default:
- abort_cmd:
- ide_abort_command(s);
- ide_set_irq(s);
+ if (ioh->fd == fd) {
+ *pioh = ioh->next;
break;
}
+ pioh = &ioh->next;
}
}
-uint32_t ide_ioport_read(CPUX86State *env, uint32_t addr)
-{
- IDEState *s = ide_state[0].cur_drive;
- int ret;
+/***********************************************************/
+/* savevm/loadvm support */
- addr &= 7;
- switch(addr) {
- case 0:
- ret = 0xff;
- break;
- case 1:
- ret = s->error;
- break;
- case 2:
- ret = s->nsector & 0xff;
- break;
- case 3:
- ret = s->sector;
- break;
- case 4:
- ret = s->lcyl;
- break;
- case 5:
- ret = s->hcyl;
- break;
- case 6:
- ret = s->select;
- break;
- default:
- case 7:
- ret = s->status;
- pic_set_irq(s->irq, 0);
- break;
- }
-#ifdef DEBUG_IDE
- printf("ide: read addr=0x%x val=%02x\n", addr, ret);
-#endif
- return ret;
+void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
+{
+ fwrite(buf, 1, size, f);
}
-uint32_t ide_status_read(CPUX86State *env, uint32_t addr)
+void qemu_put_byte(QEMUFile *f, int v)
{
- IDEState *s = ide_state[0].cur_drive;
- int ret;
- ret = s->status;
-#ifdef DEBUG_IDE
- printf("ide: read addr=0x%x val=%02x\n", addr, ret);
-#endif
- return ret;
+ fputc(v, f);
}
-void ide_cmd_write(CPUX86State *env, uint32_t addr, uint32_t val)
+void qemu_put_be16(QEMUFile *f, unsigned int v)
{
- IDEState *s = &ide_state[0];
- /* common for both drives */
- s->cmd = val;
+ qemu_put_byte(f, v >> 8);
+ qemu_put_byte(f, v);
}
-void ide_data_writew(CPUX86State *env, uint32_t addr, uint32_t val)
+void qemu_put_be32(QEMUFile *f, unsigned int v)
{
- IDEState *s = ide_state[0].cur_drive;
- uint8_t *p;
-
- p = s->data_ptr;
- *(uint16_t *)p = tswap16(val);
- p += 2;
- s->data_ptr = p;
- if (p >= s->data_end)
- s->end_transfer_func(s);
+ qemu_put_byte(f, v >> 24);
+ qemu_put_byte(f, v >> 16);
+ qemu_put_byte(f, v >> 8);
+ qemu_put_byte(f, v);
}
-uint32_t ide_data_readw(CPUX86State *env, uint32_t addr)
+void qemu_put_be64(QEMUFile *f, uint64_t v)
{
- IDEState *s = ide_state[0].cur_drive;
- uint8_t *p;
- int ret;
-
- p = s->data_ptr;
- ret = tswap16(*(uint16_t *)p);
- p += 2;
- s->data_ptr = p;
- if (p >= s->data_end)
- s->end_transfer_func(s);
- return ret;
+ qemu_put_be32(f, v >> 32);
+ qemu_put_be32(f, v);
}
-void ide_data_writel(CPUX86State *env, uint32_t addr, uint32_t val)
+int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size)
{
- IDEState *s = ide_state[0].cur_drive;
- uint8_t *p;
-
- p = s->data_ptr;
- *(uint32_t *)p = tswap32(val);
- p += 4;
- s->data_ptr = p;
- if (p >= s->data_end)
- s->end_transfer_func(s);
+ return fread(buf, 1, size, f);
}
-uint32_t ide_data_readl(CPUX86State *env, uint32_t addr)
+int qemu_get_byte(QEMUFile *f)
{
- IDEState *s = ide_state[0].cur_drive;
- uint8_t *p;
- int ret;
-
- p = s->data_ptr;
- ret = tswap32(*(uint32_t *)p);
- p += 4;
- s->data_ptr = p;
- if (p >= s->data_end)
- s->end_transfer_func(s);
- return ret;
+ int v;
+ v = fgetc(f);
+ if (v == EOF)
+ return 0;
+ else
+ return v;
}
-void ide_reset(IDEState *s)
+unsigned int qemu_get_be16(QEMUFile *f)
{
- s->mult_sectors = MAX_MULT_SECTORS;
- s->status = READY_STAT;
- s->cur_drive = s;
- s->select = 0xa0;
+ unsigned int v;
+ v = qemu_get_byte(f) << 8;
+ v |= qemu_get_byte(f);
+ return v;
}
-void ide_init(void)
+unsigned int qemu_get_be32(QEMUFile *f)
{
- IDEState *s;
- int i, cylinders;
- int64_t nb_sectors;
-
- for(i = 0; i < MAX_DISKS; i++) {
- s = &ide_state[i];
- s->bs = bs_table[i];
- if (s->bs) {
- bdrv_get_geometry(s->bs, &nb_sectors);
- cylinders = nb_sectors / (16 * 63);
- if (cylinders > 16383)
- cylinders = 16383;
- else if (cylinders < 2)
- cylinders = 2;
- s->cylinders = cylinders;
- s->heads = 16;
- s->sectors = 63;
- s->nb_sectors = nb_sectors;
- }
- s->irq = 14;
- ide_reset(s);
- }
- register_ioport_write(0x1f0, 8, ide_ioport_write, 1);
- register_ioport_read(0x1f0, 8, ide_ioport_read, 1);
- register_ioport_read(0x3f6, 1, ide_status_read, 1);
- register_ioport_write(0x3f6, 1, ide_cmd_write, 1);
-
- /* data ports */
- register_ioport_write(0x1f0, 2, ide_data_writew, 2);
- register_ioport_read(0x1f0, 2, ide_data_readw, 2);
- register_ioport_write(0x1f0, 4, ide_data_writel, 4);
- register_ioport_read(0x1f0, 4, ide_data_readl, 4);
+ 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;
}
-/***********************************************************/
-/* cpu signal handler */
-static void host_segv_handler(int host_signum, siginfo_t *info,
- void *puc)
+uint64_t qemu_get_be64(QEMUFile *f)
{
- if (cpu_signal_handler(host_signum, info, puc))
- return;
- term_exit();
- abort();
+ uint64_t v;
+ v = (uint64_t)qemu_get_be32(f) << 32;
+ v |= qemu_get_be32(f);
+ return v;
}
-static int timer_irq_pending;
-static int timer_irq_count;
+int64_t qemu_ftell(QEMUFile *f)
+{
+ return ftell(f);
+}
-static void host_alarm_handler(int host_signum, siginfo_t *info,
- void *puc)
+int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
{
- /* 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--;
- /* just exit from the cpu to have a chance to handle timers */
- cpu_x86_interrupt(global_env, CPU_INTERRUPT_EXIT);
- timer_irq_pending = 1;
- }
+ if (fseek(f, pos, whence) < 0)
+ return -1;
+ return ftell(f);
}
-/* main execution loop */
+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;
-CPUState *cpu_gdbstub_get_env(void *opaque)
+int register_savevm(const char *idstr,
+ int instance_id,
+ int version_id,
+ SaveStateHandler *save_state,
+ LoadStateHandler *load_state,
+ void *opaque)
{
- return global_env;
+ 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;
}
-void main_loop(void *opaque)
+#define QEMU_VM_FILE_MAGIC 0x5145564d
+#define QEMU_VM_FILE_VERSION 0x00000001
+
+int qemu_savevm(const char *filename)
{
- struct pollfd ufds[2], *pf, *serial_ufd, *net_ufd, *gdb_ufd;
- int ret, n, timeout;
- uint8_t ch;
- CPUState *env = global_env;
+ SaveStateEntry *se;
+ QEMUFile *f;
+ int len, len_pos, cur_pos, saved_vm_running, ret;
- for(;;) {
+ saved_vm_running = vm_running;
+ vm_stop(0);
- ret = cpu_x86_exec(env);
+ f = fopen(filename, "wb");
+ if (!f) {
+ ret = -1;
+ goto the_end;
+ }
- /* 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_ports[0].lsr & UART_LSR_DR)) {
- serial_ufd = pf;
- pf->fd = 0;
- pf->events = POLLIN;
- pf++;
- }
- net_ufd = NULL;
- if (net_fd > 0 && ne2000_can_receive(&ne2000_state)) {
- net_ufd = pf;
- pf->fd = net_fd;
- pf->events = POLLIN;
- pf++;
- }
- gdb_ufd = NULL;
- if (gdbstub_fd > 0) {
- gdb_ufd = pf;
- pf->fd = gdbstub_fd;
- pf->events = POLLIN;
- pf++;
- }
+ 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);
+ }
- 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);
- }
- }
- 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 (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)
- break;
- }
- }
+ fclose(f);
+ ret = 0;
+ the_end:
+ if (saved_vm_running)
+ vm_start();
+ return ret;
+}
- /* timer IRQ */
- if (timer_irq_pending) {
- pic_set_irq(0, 1);
- pic_set_irq(0, 0);
- timer_irq_pending = 0;
- }
+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;
}
-void help(void)
+int qemu_loadvm(const char *filename)
{
- printf("Virtual Linux version " QEMU_VERSION ", Copyright (c) 2003 Fabrice Bellard\n"
- "usage: vl [options] bzImage [kernel parameters...]\n"
- "\n"
- "'bzImage' is a Linux kernel image (PAGE_OFFSET must be defined\n"
- "to 0x90000000 in asm/page.h and arch/i386/vmlinux.lds)\n"
- "\n"
- "General options:\n"
- "-initrd file use 'file' as initial ram disk\n"
- "-hda file use 'file' as hard disk 0 image\n"
- "-hdb file use 'file' as hard disk 1 image\n"
- "-m megs set virtual RAM size to megs MB\n"
- "-n script set network init script [default=%s]\n"
- "\n"
- "Debug 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"
+ 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(;;) {
+#if defined (DO_TB_FLUSH)
+ tb_flush(global_env);
+#endif
+ 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_be32(f, (uint32_t)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 = (uint8_t *)qemu_get_be32(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;
+ uint32_t hflags;
+ int i;
+
+ for(i = 0; i < 8; i++)
+ qemu_put_be32s(f, &env->regs[i]);
+ qemu_put_be32s(f, &env->eip);
+ qemu_put_be32s(f, &env->eflags);
+ qemu_put_be32s(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=7; i>=0; i--) {
+ fptag <<= 2;
+ if (env->fptags[i]) {
+ fptag |= 3;
+ }
+ }
+
+ qemu_put_be16s(f, &fpuc);
+ qemu_put_be16s(f, &fpus);
+ qemu_put_be16s(f, &fptag);
+
+ for(i = 0; i < 8; i++) {
+ uint64_t mant;
+ uint16_t exp;
+ cpu_get_fp80(&mant, &exp, env->fpregs[i]);
+ qemu_put_be64(f, mant);
+ qemu_put_be16(f, exp);
+ }
+
+ 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_be32s(f, &env->cr[0]);
+ qemu_put_be32s(f, &env->cr[2]);
+ qemu_put_be32s(f, &env->cr[3]);
+ qemu_put_be32s(f, &env->cr[4]);
+
+ for(i = 0; i < 8; i++)
+ qemu_put_be32s(f, &env->dr[i]);
+
+ /* MMU */
+ qemu_put_be32s(f, &env->a20_mask);
+}
+
+int cpu_load(QEMUFile *f, void *opaque, int version_id)
+{
+ CPUState *env = opaque;
+ int i;
+ uint32_t hflags;
+ uint16_t fpus, fpuc, fptag;
+
+ if (version_id != 2)
+ return -EINVAL;
+ for(i = 0; i < 8; i++)
+ qemu_get_be32s(f, &env->regs[i]);
+ qemu_get_be32s(f, &env->eip);
+ qemu_get_be32s(f, &env->eflags);
+ qemu_get_be32s(f, &env->eflags);
+ qemu_get_be32s(f, &hflags);
+
+ qemu_get_be16s(f, &fpuc);
+ qemu_get_be16s(f, &fpus);
+ qemu_get_be16s(f, &fptag);
+
+ for(i = 0; i < 8; i++) {
+ uint64_t mant;
+ uint16_t exp;
+ mant = qemu_get_be64(f);
+ exp = qemu_get_be16(f);
+ env->fpregs[i] = cpu_set_fp80(mant, exp);
+ }
+
+ env->fpuc = fpuc;
+ env->fpstt = (fpus >> 11) & 7;
+ env->fpus = fpus & ~0x3800;
+ for(i = 0; i < 8; i++) {
+ env->fptags[i] = ((fptag & 3) == 3);
+ fptag >>= 2;
+ }
+
+ 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_be32s(f, &env->cr[0]);
+ qemu_get_be32s(f, &env->cr[2]);
+ qemu_get_be32s(f, &env->cr[3]);
+ qemu_get_be32s(f, &env->cr[4]);
+
+ for(i = 0; i < 8; i++)
+ qemu_get_be32s(f, &env->dr[i]);
+
+ /* MMU */
+ qemu_get_be32s(f, &env->a20_mask);
+
+ /* 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_SPARC)
+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;
+}
+
+/***********************************************************/
+/* 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));
+}
+
+/* XXX: support several handlers */
+VMStopHandler *vm_stop_cb;
+VMStopHandler *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;
+ }
+}
+
+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);
+ }
+ }
+ }
+}
+
+/* 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;
+
+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;
+ cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
+}
+
+void qemu_system_shutdown_request(void)
+{
+ shutdown_requested = 1;
+ cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
+}
+
+static void main_cpu_reset(void *opaque)
+{
+#ifdef TARGET_I386
+ CPUState *env = opaque;
+ cpu_reset(env);
+#endif
+}
+
+void main_loop_wait(int timeout)
+{
+#ifndef _WIN32
+ struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf;
+ IOHandlerRecord *ioh, *ioh_next;
+ uint8_t buf[4096];
+ int n, max_size;
+#endif
+ int ret;
+
+#ifdef _WIN32
+ if (timeout > 0)
+ Sleep(timeout);
+#else
+ /* poll any events */
+ /* XXX: separate device handlers from system ones */
+ pf = ufds;
+ for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
+ if (!ioh->fd_can_read) {
+ max_size = 0;
+ pf->fd = ioh->fd;
+ pf->events = POLLIN;
+ ioh->ufd = pf;
+ pf++;
+ } else {
+ max_size = ioh->fd_can_read(ioh->opaque);
+ if (max_size > 0) {
+ if (max_size > sizeof(buf))
+ max_size = sizeof(buf);
+ pf->fd = ioh->fd;
+ pf->events = POLLIN;
+ ioh->ufd = pf;
+ pf++;
+ } else {
+ ioh->ufd = NULL;
+ }
+ }
+ ioh->max_size = max_size;
+ }
+
+ ret = poll(ufds, pf - ufds, timeout);
+ if (ret > 0) {
+ /* XXX: better handling of removal */
+ for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) {
+ ioh_next = ioh->next;
+ pf = ioh->ufd;
+ if (pf) {
+ if (pf->revents & POLLIN) {
+ if (ioh->max_size == 0) {
+ /* just a read event */
+ ioh->fd_read(ioh->opaque, NULL, 0);
+ } else {
+ n = read(ioh->fd, buf, ioh->max_size);
+ if (n >= 0) {
+ ioh->fd_read(ioh->opaque, buf, n);
+ } else if (errno != EAGAIN) {
+ ioh->fd_read(ioh->opaque, NULL, -errno);
+ }
+ }
+ }
+ }
+ }
+ }
+#endif /* !defined(_WIN32) */
+#if defined(CONFIG_SLIRP)
+ /* XXX: merge with poll() */
+ if (slirp_inited) {
+ fd_set rfds, wfds, xfds;
+ int nfds;
+ struct timeval tv;
+
+ nfds = -1;
+ FD_ZERO(&rfds);
+ FD_ZERO(&wfds);
+ FD_ZERO(&xfds);
+ slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
+ tv.tv_sec = 0;
+ tv.tv_usec = 0;
+ ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
+ if (ret >= 0) {
+ slirp_select_poll(&rfds, &wfds, &xfds);
+ }
+ }
+#endif
+
+ if (vm_running) {
+ qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
+ qemu_get_clock(vm_clock));
+
+ if (audio_enabled) {
+ /* XXX: add explicit timer */
+ SB16_run();
+ }
+
+ /* run dma transfers, if any */
+ DMA_run();
+ }
+
+ /* real time timers */
+ qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
+ qemu_get_clock(rt_clock));
+}
+
+int main_loop(void)
+{
+ int ret, timeout;
+ CPUState *env = global_env;
+
+ for(;;) {
+ if (vm_running) {
+ ret = cpu_exec(env);
+ if (shutdown_requested) {
+ ret = EXCP_INTERRUPT;
+ break;
+ }
+ if (reset_requested) {
+ reset_requested = 0;
+ qemu_system_reset();
+ 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;
+ }
+ main_loop_wait(timeout);
+ }
+ cpu_disable_ticks();
+ return ret;
+}
+
+void help(void)
+{
+ printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2004 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"
- "During emulation, use C-a h to get terminal commands:\n",
- DEFAULT_NETWORK_SCRIPT, DEFAULT_GDBSTUB_PORT);
- term_print_help();
+ "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 image (cdrom is ide1 master)\n"
+ "-boot [a|b|c|d] boot on floppy (a, b), 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"
+ "-nographic disable graphical output and redirect serial I/Os to console\n"
+ "-enable-audio enable audio support\n"
+ "-localtime set the real time clock to local time [default=utc]\n"
+ "-full-screen start in full screen\n"
+#ifdef TARGET_PPC
+ "-prep Simulate a PREP system (default is PowerMAC)\n"
+ "-g WxH[xDEPTH] Set the initial VGA graphic mode\n"
+#endif
+ "\n"
+ "Network options:\n"
+ "-nics n simulate 'n' network cards [default=1]\n"
+ "-macaddr addr set the mac address of the first interface\n"
+ "-n script set tap/tun network init script [default=%s]\n"
+ "-tun-fd fd use this fd as already opened tap/tun interface\n"
+#ifdef CONFIG_SLIRP
+ "-user-net use user mode network stack [default if no tap/tun script]\n"
+ "-tftp prefix allow tftp access to files starting with prefix [-user-net]\n"
+#ifndef _WIN32
+ "-smb dir allow SMB access to files in 'dir' [-user-net]\n"
+#endif
+ "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
+ " redirect TCP or UDP connections from host to guest [-user-net]\n"
+#endif
+ "-dummy-net use dummy network stack\n"
+ "\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"
+ "-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 force hard disk 0 geometry (usually qemu can guess it)\n"
+ "-L path set the directory for the BIOS and VGA BIOS\n"
+#ifdef USE_CODE_COPY
+ "-no-code-copy disable code copy acceleration\n"
+#endif
+#ifdef TARGET_I386
+ "-isa simulate an ISA-only system (default is PCI system)\n"
+ "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
+ " (default is CL-GD5446 PCI VGA)\n"
+#endif
+ "-loadvm file start right away with a saved state (loadvm in monitor)\n"
+ "\n"
+ "During emulation, the following keys are useful:\n"
+ "ctrl-shift-f toggle full screen\n"
+ "ctrl-shift-Fn switch to virtual console 'n'\n"
+ "ctrl-shift 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,
+ DEFAULT_NETWORK_SCRIPT,
+ 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);
}
-struct option long_options[] = {
- { "initrd", 1, NULL, 0, },
- { "hda", 1, NULL, 0, },
- { "hdb", 1, NULL, 0, },
- { NULL, 0, NULL, 0 },
+#define HAS_ARG 0x0001
+
+enum {
+ QEMU_OPTION_h,
+
+ 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,
+ QEMU_OPTION_enable_audio,
+
+ QEMU_OPTION_nics,
+ QEMU_OPTION_macaddr,
+ QEMU_OPTION_n,
+ QEMU_OPTION_tun_fd,
+ QEMU_OPTION_user_net,
+ QEMU_OPTION_tftp,
+ QEMU_OPTION_smb,
+ QEMU_OPTION_redir,
+ QEMU_OPTION_dummy_net,
+
+ 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_pci,
+ QEMU_OPTION_isa,
+ QEMU_OPTION_prep,
+ QEMU_OPTION_localtime,
+ QEMU_OPTION_cirrusvga,
+ QEMU_OPTION_g,
+ QEMU_OPTION_std_vga,
+ QEMU_OPTION_monitor,
+ QEMU_OPTION_serial,
+ QEMU_OPTION_loadvm,
+ QEMU_OPTION_full_screen,
};
+typedef struct QEMUOption {
+ const char *name;
+ int flags;
+ int index;
+} QEMUOption;
+
+const QEMUOption qemu_options[] = {
+ { "h", 0, QEMU_OPTION_h },
+
+ { "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 },
+ { "enable-audio", 0, QEMU_OPTION_enable_audio },
+
+ { "nics", HAS_ARG, QEMU_OPTION_nics},
+ { "macaddr", HAS_ARG, QEMU_OPTION_macaddr},
+ { "n", HAS_ARG, QEMU_OPTION_n },
+ { "tun-fd", HAS_ARG, QEMU_OPTION_tun_fd },
+#ifdef CONFIG_SLIRP
+ { "user-net", 0, QEMU_OPTION_user_net },
+ { "tftp", HAS_ARG, QEMU_OPTION_tftp },
+#ifndef _WIN32
+ { "smb", HAS_ARG, QEMU_OPTION_smb },
+#endif
+ { "redir", HAS_ARG, QEMU_OPTION_redir },
+#endif
+ { "dummy-net", 0, QEMU_OPTION_dummy_net },
+
+ { "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 TARGET_PPC
+ { "prep", 0, QEMU_OPTION_prep },
+ { "g", 1, QEMU_OPTION_g },
+#endif
+ { "localtime", 0, QEMU_OPTION_localtime },
+ { "isa", 0, QEMU_OPTION_isa },
+ { "std-vga", 0, QEMU_OPTION_std_vga },
+ { "monitor", 1, QEMU_OPTION_monitor },
+ { "serial", 1, QEMU_OPTION_serial },
+ { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
+ { "full-screen", 0, QEMU_OPTION_full_screen },
+
+ /* temporary options */
+ { "pci", 0, QEMU_OPTION_pci },
+ { "cirrusvga", 0, QEMU_OPTION_cirrusvga },
+ { 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");
+ }
+ }
+ }
+}
+
+#define NET_IF_TUN 0
+#define NET_IF_USER 1
+#define NET_IF_DUMMY 2
+
int main(int argc, char **argv)
{
- int c, ret, initrd_size, i, use_gdbstub, gdbstub_port, long_index;
- struct linux_params *params;
- struct sigaction act;
- struct itimerval itv;
- CPUX86State *env;
- const char *tmpdir, *initrd_filename;
- const char *hd_filename[MAX_DISKS];
+#ifdef CONFIG_GDBSTUB
+ int use_gdbstub, gdbstub_port;
+#endif
+ int i, has_cdrom;
+ int snapshot, linux_boot;
+ CPUState *env;
+ 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;
+ int start_emulation = 1;
+ uint8_t macaddr[6];
+ int net_if_type, nb_tun_fds, tun_fds[MAX_NICS];
+ int optind;
+ const char *r, *optarg;
+ CharDriverState *monitor_hd;
+ char monitor_device[128];
+ char serial_devices[MAX_SERIAL_PORTS][128];
+ int serial_device_index;
+ const char *loadvm = NULL;
+#if !defined(CONFIG_SOFTMMU)
/* we never want that malloc() uses mmap() */
mallopt(M_MMAP_THRESHOLD, 4096 * 1024);
+#endif
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;
+ bios_size = BIOS_SIZE;
pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT);
+#ifdef CONFIG_GDBSTUB
use_gdbstub = 0;
gdbstub_port = DEFAULT_GDBSTUB_PORT;
+#endif
+ snapshot = 0;
+ nographic = 0;
+ kernel_filename = NULL;
+ kernel_cmdline = "";
+ has_cdrom = 1;
+ cyls = heads = secs = 0;
+ 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;
+
+ nb_tun_fds = 0;
+ net_if_type = -1;
+ nb_nics = 1;
+ /* default mac address of the first network interface */
+ macaddr[0] = 0x52;
+ macaddr[1] = 0x54;
+ macaddr[2] = 0x00;
+ macaddr[3] = 0x12;
+ macaddr[4] = 0x34;
+ macaddr[5] = 0x56;
+
+ optind = 1;
for(;;) {
- c = getopt_long_only(argc, argv, "hm:dn:sp:", long_options, &long_index);
- if (c == -1)
+ if (optind >= argc)
break;
- switch(c) {
- case 0:
- switch(long_index) {
- case 0:
+ 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_initrd:
initrd_filename = optarg;
break;
- case 1:
+ case QEMU_OPTION_hda:
hd_filename[0] = optarg;
break;
- case 2:
+ case QEMU_OPTION_hdb:
hd_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_snapshot:
+ snapshot = 1;
+ break;
+ case QEMU_OPTION_hdachs:
+ {
+ const char *p;
+ p = optarg;
+ cyls = strtol(p, (char **)&p, 0);
+ if (*p != ',')
+ goto chs_fail;
+ p++;
+ heads = strtol(p, (char **)&p, 0);
+ if (*p != ',')
+ goto chs_fail;
+ p++;
+ secs = strtol(p, (char **)&p, 0);
+ if (*p != '\0') {
+ chs_fail:
+ cyls = 0;
+ }
+ }
+ break;
+ case QEMU_OPTION_nographic:
+ pstrcpy(monitor_device, sizeof(monitor_device), "stdio");
+ pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio");
+ nographic = 1;
+ break;
+ case QEMU_OPTION_kernel:
+ kernel_filename = optarg;
+ break;
+ case QEMU_OPTION_append:
+ kernel_cmdline = optarg;
+ break;
+ case QEMU_OPTION_tun_fd:
+ {
+ const char *p;
+ int fd;
+ net_if_type = NET_IF_TUN;
+ if (nb_tun_fds < MAX_NICS) {
+ fd = strtol(optarg, (char **)&p, 0);
+ if (*p != '\0') {
+ fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_tun_fds);
+ exit(1);
+ }
+ tun_fds[nb_tun_fds++] = fd;
+ }
+ }
+ break;
+ case QEMU_OPTION_hdc:
+ hd_filename[2] = optarg;
+ has_cdrom = 0;
+ break;
+ case QEMU_OPTION_hdd:
+ hd_filename[3] = optarg;
+ break;
+ case QEMU_OPTION_cdrom:
+ hd_filename[2] = optarg;
+ has_cdrom = 1;
+ break;
+ case QEMU_OPTION_boot:
+ boot_device = optarg[0];
+ if (boot_device != 'a' && boot_device != 'b' &&
+ boot_device != 'c' && boot_device != 'd') {
+ fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
+ exit(1);
+ }
+ break;
+ case QEMU_OPTION_fda:
+ fd_filename[0] = optarg;
+ break;
+ case QEMU_OPTION_fdb:
+ fd_filename[1] = optarg;
+ break;
+ case QEMU_OPTION_no_code_copy:
+ code_copy_enabled = 0;
+ break;
+ case QEMU_OPTION_nics:
+ nb_nics = atoi(optarg);
+ if (nb_nics < 0 || nb_nics > MAX_NICS) {
+ fprintf(stderr, "qemu: invalid number of network interfaces\n");
+ exit(1);
+ }
+ break;
+ case QEMU_OPTION_macaddr:
+ {
+ const char *p;
+ int i;
+ p = optarg;
+ for(i = 0; i < 6; i++) {
+ macaddr[i] = strtol(p, (char **)&p, 16);
+ if (i == 5) {
+ if (*p != '\0')
+ goto macaddr_error;
+ } else {
+ if (*p != ':') {
+ macaddr_error:
+ fprintf(stderr, "qemu: invalid syntax for ethernet address\n");
+ exit(1);
+ }
+ p++;
+ }
+ }
+ }
+ 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_user_net:
+ net_if_type = NET_IF_USER;
+ break;
+ case QEMU_OPTION_redir:
+ net_slirp_redir(optarg);
+ break;
+#endif
+ case QEMU_OPTION_dummy_net:
+ net_if_type = NET_IF_DUMMY;
+ break;
+ case QEMU_OPTION_enable_audio:
+ audio_enabled = 1;
+ break;
+ case QEMU_OPTION_h:
help();
- if (phys_ram_size > PHYS_RAM_MAX_SIZE) {
- fprintf(stderr, "vl: at most %d MB RAM can be simulated\n",
- PHYS_RAM_MAX_SIZE / (1024 * 1024));
- exit(1);
+ 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;
+ case QEMU_OPTION_n:
+ pstrcpy(network_script, sizeof(network_script), optarg);
+ break;
+#ifdef CONFIG_GDBSTUB
+ case QEMU_OPTION_s:
+ use_gdbstub = 1;
+ break;
+ case QEMU_OPTION_p:
+ gdbstub_port = atoi(optarg);
+ break;
+#endif
+ case QEMU_OPTION_L:
+ bios_dir = optarg;
+ break;
+ case QEMU_OPTION_S:
+ start_emulation = 0;
+ break;
+ case QEMU_OPTION_pci:
+ pci_enabled = 1;
+ break;
+ case QEMU_OPTION_isa:
+ pci_enabled = 0;
+ break;
+ case QEMU_OPTION_prep:
+ prep_enabled = 1;
+ 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_loadvm:
+ loadvm = optarg;
+ break;
+ case QEMU_OPTION_full_screen:
+ full_screen = 1;
+ break;
}
- break;
- case 'd':
- loglevel = 1;
- break;
- case 'n':
- pstrcpy(network_script, sizeof(network_script), optarg);
- break;
- case 's':
- use_gdbstub = 1;
- break;
- case 'p':
- gdbstub_port = atoi(optarg);
- break;
}
}
- if (optind >= argc)
+
+ linux_boot = (kernel_filename != NULL);
+
+ if (!linux_boot && hd_filename[0] == '\0' && hd_filename[2] == '\0' &&
+ fd_filename[0] == '\0')
help();
+
+ /* boot to cd by default if no hard disk */
+ if (hd_filename[0] == '\0' && boot_device == 'c') {
+ if (fd_filename[0] != '\0')
+ boot_device = 'a';
+ else
+ boot_device = 'd';
+ }
- /* init debug */
+#if !defined(CONFIG_SOFTMMU)
+ /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
+ {
+ static uint8_t stdout_buf[4096];
+ setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf));
+ }
+#else
setvbuf(stdout, NULL, _IOLBF, 0);
- if (loglevel) {
- logfile = fopen(DEBUG_LOGFILE, "w");
- if (!logfile) {
- perror(DEBUG_LOGFILE);
- _exit(1);
+#endif
+
+ /* init host network redirectors */
+ if (net_if_type == -1) {
+ net_if_type = NET_IF_TUN;
+#if defined(CONFIG_SLIRP)
+ if (access(network_script, R_OK) < 0) {
+ net_if_type = NET_IF_USER;
}
- setvbuf(logfile, NULL, _IOLBF, 0);
+#endif
}
- /* open the virtual block devices */
- for(i = 0; i < MAX_DISKS; i++) {
- if (hd_filename[i]) {
- bs_table[i] = bdrv_open(hd_filename[i]);
- if (!bs_table[i]) {
- fprintf(stderr, "vl: could not open hard disk image '%s\n",
- hd_filename[i]);
- exit(1);
+ for(i = 0; i < nb_nics; i++) {
+ NetDriverState *nd = &nd_table[i];
+ nd->index = i;
+ /* init virtual mac address */
+ nd->macaddr[0] = macaddr[0];
+ nd->macaddr[1] = macaddr[1];
+ nd->macaddr[2] = macaddr[2];
+ nd->macaddr[3] = macaddr[3];
+ nd->macaddr[4] = macaddr[4];
+ nd->macaddr[5] = macaddr[5] + i;
+ switch(net_if_type) {
+#if defined(CONFIG_SLIRP)
+ case NET_IF_USER:
+ net_slirp_init(nd);
+ break;
+#endif
+#if !defined(_WIN32)
+ case NET_IF_TUN:
+ if (i < nb_tun_fds) {
+ net_fd_init(nd, tun_fds[i]);
+ } else {
+ if (net_tun_init(nd) < 0)
+ net_dummy_init(nd);
}
+ break;
+#endif
+ case NET_IF_DUMMY:
+ default:
+ net_dummy_init(nd);
+ break;
}
}
- /* init network tun interface */
- net_init();
-
/* init the memory */
- tmpdir = getenv("VLTMPDIR");
- if (!tmpdir)
- tmpdir = "/tmp";
- snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir);
- if (mkstemp(phys_ram_file) < 0) {
- fprintf(stderr, "Could not create temporary memory file '%s'\n",
- phys_ram_file);
- exit(1);
- }
- phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600);
- if (phys_ram_fd < 0) {
- fprintf(stderr, "Could not open temporary memory file '%s'\n",
- phys_ram_file);
- exit(1);
- }
- ftruncate(phys_ram_fd, phys_ram_size);
- unlink(phys_ram_file);
- phys_ram_base = mmap((void *)PHYS_RAM_BASE, phys_ram_size,
- PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED,
- phys_ram_fd, 0);
- if (phys_ram_base == MAP_FAILED) {
- fprintf(stderr, "Could not map physical memory\n");
- exit(1);
- }
+ phys_ram_size = ram_size + vga_ram_size + bios_size;
- /* now we can load the kernel */
- ret = load_kernel(argv[optind], phys_ram_base + KERNEL_LOAD_ADDR);
- if (ret < 0) {
- fprintf(stderr, "vl: could not load kernel '%s'\n", argv[optind]);
+#ifdef CONFIG_SOFTMMU
+#ifdef _BSD
+ /* mallocs are always aligned on BSD. valloc is better for correctness */
+ phys_ram_base = valloc(phys_ram_size);
+#else
+ phys_ram_base = memalign(TARGET_PAGE_SIZE, phys_ram_size);
+#endif
+ if (!phys_ram_base) {
+ fprintf(stderr, "Could not allocate physical memory\n");
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, "vl: could not load initial ram disk '%s'\n",
- initrd_filename);
+#else
+ /* as we must map the same page at several addresses, we must use
+ a fd */
+ {
+ const char *tmpdir;
+
+ tmpdir = getenv("QEMU_TMPDIR");
+ if (!tmpdir)
+ tmpdir = "/tmp";
+ snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir);
+ if (mkstemp(phys_ram_file) < 0) {
+ fprintf(stderr, "Could not create temporary memory file '%s'\n",
+ phys_ram_file);
+ exit(1);
+ }
+ phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600);
+ if (phys_ram_fd < 0) {
+ fprintf(stderr, "Could not open temporary memory file '%s'\n",
+ phys_ram_file);
+ exit(1);
+ }
+ ftruncate(phys_ram_fd, phys_ram_size);
+ unlink(phys_ram_file);
+ 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) {
+ fprintf(stderr, "Could not map physical memory\n");
exit(1);
}
}
+#endif
- /* init kernel params */
- params = (void *)(phys_ram_base + KERNEL_PARAMS_ADDR);
- memset(params, 0, sizeof(struct linux_params));
- params->mount_root_rdonly = 0;
- params->cl_magic = 0xA33F;
- params->cl_offset = params->commandline - (uint8_t *)params;
- params->alt_mem_k = (phys_ram_size / 1024) - 1024;
- for(i = optind + 1; i < argc; i++) {
- if (i != optind + 1)
- pstrcat(params->commandline, sizeof(params->commandline), " ");
- pstrcat(params->commandline, sizeof(params->commandline), argv[i]);
- }
- params->loader_type = 0x01;
- if (initrd_size > 0) {
- params->initrd_start = INITRD_LOAD_ADDR;
- params->initrd_size = initrd_size;
+ /* we always create the cdrom drive, even if no disk is there */
+ bdrv_init();
+ if (has_cdrom) {
+ bs_table[2] = bdrv_new("cdrom");
+ bdrv_set_type_hint(bs_table[2], BDRV_TYPE_CDROM);
}
- params->orig_video_lines = 25;
- params->orig_video_cols = 80;
- /* init basic PC hardware */
- init_ioports();
- register_ioport_write(0x80, 1, ioport80_write, 1);
-
- register_ioport_write(0x3d4, 2, vga_ioport_write, 1);
-
- cmos_init();
- pic_init();
- pit_init();
- serial_init();
- ne2000_init();
- ide_init();
-
- /* setup cpu signal handlers for MMU / self modifying code handling */
- sigfillset(&act.sa_mask);
- act.sa_flags = SA_SIGINFO;
- act.sa_sigaction = host_segv_handler;
- sigaction(SIGSEGV, &act, NULL);
- sigaction(SIGBUS, &act, NULL);
+ /* open the virtual block devices */
+ for(i = 0; i < MAX_DISKS; i++) {
+ if (hd_filename[i]) {
+ if (!bs_table[i]) {
+ 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);
+ }
+ }
- act.sa_sigaction = host_alarm_handler;
- sigaction(SIGALRM, &act, NULL);
+ /* 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 CPU state */
env = cpu_init();
global_env = env;
cpu_single_env = env;
- /* setup basic memory access */
- env->cr[0] = 0x00000033;
- cpu_x86_init_mmu(env);
-
- memset(params->idt_table, 0, sizeof(params->idt_table));
+ register_savevm("timer", 0, 1, timer_save, timer_load, env);
+ register_savevm("cpu", 0, 2, cpu_save, cpu_load, env);
+ register_savevm("ram", 0, 1, ram_save, ram_load, NULL);
+ qemu_register_reset(main_cpu_reset, global_env);
- params->gdt_table[2] = 0x00cf9a000000ffffLL; /* KERNEL_CS */
- params->gdt_table[3] = 0x00cf92000000ffffLL; /* KERNEL_DS */
-
- env->idt.base = (void *)params->idt_table;
- env->idt.limit = sizeof(params->idt_table) - 1;
- env->gdt.base = (void *)params->gdt_table;
- env->gdt.limit = sizeof(params->gdt_table) - 1;
-
- cpu_x86_load_seg(env, R_CS, KERNEL_CS);
- cpu_x86_load_seg(env, R_DS, KERNEL_DS);
- cpu_x86_load_seg(env, R_ES, KERNEL_DS);
- cpu_x86_load_seg(env, R_SS, KERNEL_DS);
- cpu_x86_load_seg(env, R_FS, KERNEL_DS);
- cpu_x86_load_seg(env, R_GS, KERNEL_DS);
+ init_ioports();
+ cpu_calibrate_ticks();
+
+ /* terminal init */
+ if (nographic) {
+ dumb_display_init(ds);
+ } else {
+#ifdef CONFIG_SDL
+ sdl_display_init(ds, full_screen);
+#else
+ dumb_display_init(ds);
+#endif
+ }
+
+ vga_console = graphic_console_init(ds);
- env->eip = KERNEL_LOAD_ADDR;
- env->regs[R_ESI] = KERNEL_PARAMS_ADDR;
- env->eflags = 0x2;
-
- 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);
- pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * PIT_FREQ) /
- 1000000;
+ 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);
+ }
+ }
+
+ /* 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
+ {
+ 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
+ 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
+ }
+#endif
+
+#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();
+
+#if defined(TARGET_I386)
+ pc_init(ram_size, vga_ram_size, boot_device,
+ ds, fd_filename, snapshot,
+ kernel_filename, kernel_cmdline, initrd_filename);
+#elif defined(TARGET_PPC)
+ ppc_init(ram_size, vga_ram_size, boot_device,
+ ds, fd_filename, snapshot,
+ kernel_filename, kernel_cmdline, initrd_filename);
+#elif defined(TARGET_SPARC)
+ sun4m_init(ram_size, vga_ram_size, boot_device,
+ ds, fd_filename, snapshot,
+ kernel_filename, kernel_cmdline, initrd_filename);
+#endif
+
+ 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;
}
projects / qemu.git / blobdiff