*/
#include "hw.h"
#include "mips.h"
+#include "mips_cpudevs.h"
#include "pc.h"
#include "isa.h"
#include "net.h"
#include "flash.h"
#include "qemu-log.h"
#include "mips-bios.h"
-
-#define PHYS_TO_VIRT(x) ((x) | ~(target_ulong)0x7fffffff)
-
-#define VIRT_TO_PHYS_ADDEND (-((int64_t)(int32_t)0x80000000))
+#include "ide.h"
+#include "loader.h"
+#include "elf.h"
+#include "mc146818rtc.h"
+#include "blockdev.h"
+#include "exec-memory.h"
#define MAX_IDE_BUS 2
static const int ide_iobase2[2] = { 0x3f6, 0x376 };
static const int ide_irq[2] = { 14, 15 };
-static int serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
-static int serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 };
-
-static PITState *pit; /* PIT i8254 */
+static ISADevice *pit; /* PIT i8254 */
/* i8254 PIT is attached to the IRQ0 at PIC i8259 */
const char *initrd_filename;
} loaderparams;
-static void mips_qemu_writel (void *opaque, target_phys_addr_t addr,
- uint32_t val)
+static void mips_qemu_write (void *opaque, target_phys_addr_t addr,
+ uint64_t val, unsigned size)
{
if ((addr & 0xffff) == 0 && val == 42)
qemu_system_reset_request ();
qemu_system_shutdown_request ();
}
-static uint32_t mips_qemu_readl (void *opaque, target_phys_addr_t addr)
+static uint64_t mips_qemu_read (void *opaque, target_phys_addr_t addr,
+ unsigned size)
{
return 0;
}
-static CPUWriteMemoryFunc *mips_qemu_write[] = {
- &mips_qemu_writel,
- &mips_qemu_writel,
- &mips_qemu_writel,
+static const MemoryRegionOps mips_qemu_ops = {
+ .read = mips_qemu_read,
+ .write = mips_qemu_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
};
-static CPUReadMemoryFunc *mips_qemu_read[] = {
- &mips_qemu_readl,
- &mips_qemu_readl,
- &mips_qemu_readl,
-};
-
-static int mips_qemu_iomemtype = 0;
+typedef struct ResetData {
+ CPUState *env;
+ uint64_t vector;
+} ResetData;
-static void load_kernel (CPUState *env)
+static int64_t load_kernel(void)
{
- int64_t entry, kernel_low, kernel_high;
- long kernel_size, initrd_size;
+ int64_t entry, kernel_high;
+ long kernel_size, initrd_size, params_size;
ram_addr_t initrd_offset;
- int ret;
+ uint32_t *params_buf;
+ int big_endian;
- kernel_size = load_elf(loaderparams.kernel_filename, VIRT_TO_PHYS_ADDEND,
- (uint64_t *)&entry, (uint64_t *)&kernel_low,
- (uint64_t *)&kernel_high);
+#ifdef TARGET_WORDS_BIGENDIAN
+ big_endian = 1;
+#else
+ big_endian = 0;
+#endif
+ kernel_size = load_elf(loaderparams.kernel_filename, cpu_mips_kseg0_to_phys,
+ NULL, (uint64_t *)&entry, NULL,
+ (uint64_t *)&kernel_high, big_endian,
+ ELF_MACHINE, 1);
if (kernel_size >= 0) {
if ((entry & ~0x7fffffffULL) == 0x80000000)
entry = (int32_t)entry;
- env->active_tc.PC = entry;
} else {
fprintf(stderr, "qemu: could not load kernel '%s'\n",
loaderparams.kernel_filename);
}
/* Store command line. */
+ params_size = 264;
+ params_buf = g_malloc(params_size);
+
+ params_buf[0] = tswap32(ram_size);
+ params_buf[1] = tswap32(0x12345678);
+
if (initrd_size > 0) {
- char buf[64];
- ret = snprintf(buf, 64, "rd_start=0x" TARGET_FMT_lx " rd_size=%li ",
- PHYS_TO_VIRT((uint32_t)initrd_offset),
- initrd_size);
- cpu_physical_memory_write((16 << 20) - 256, (void *)buf, 64);
+ snprintf((char *)params_buf + 8, 256, "rd_start=0x%" PRIx64 " rd_size=%li %s",
+ cpu_mips_phys_to_kseg0(NULL, initrd_offset),
+ initrd_size, loaderparams.kernel_cmdline);
} else {
- ret = 0;
+ snprintf((char *)params_buf + 8, 256, "%s", loaderparams.kernel_cmdline);
}
- pstrcpy_targphys((16 << 20) - 256 + ret, 256,
- loaderparams.kernel_cmdline);
- stl_phys((16 << 20) - 260, 0x12345678);
- stl_phys((16 << 20) - 264, ram_size);
+ rom_add_blob_fixed("params", params_buf, params_size,
+ (16 << 20) - 264);
+
+ return entry;
}
static void main_cpu_reset(void *opaque)
{
- CPUState *env = opaque;
- cpu_reset(env);
+ ResetData *s = (ResetData *)opaque;
+ CPUState *env = s->env;
- if (loaderparams.kernel_filename)
- load_kernel (env);
+ cpu_reset(env);
+ env->active_tc.PC = s->vector;
}
static const int sector_len = 32 * 1024;
const char *initrd_filename, const char *cpu_model)
{
char *filename;
- ram_addr_t ram_offset;
- ram_addr_t bios_offset;
+ MemoryRegion *address_space_mem = get_system_memory();
+ MemoryRegion *ram = g_new(MemoryRegion, 1);
+ MemoryRegion *bios;
+ MemoryRegion *iomem = g_new(MemoryRegion, 1);
int bios_size;
CPUState *env;
- RTCState *rtc_state;
+ ResetData *reset_info;
int i;
qemu_irq *i8259;
- int index;
- BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
+ DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
+ DriveInfo *dinfo;
+ int be;
/* init CPUs */
if (cpu_model == NULL) {
fprintf(stderr, "Unable to find CPU definition\n");
exit(1);
}
- qemu_register_reset(main_cpu_reset, env);
+ reset_info = g_malloc0(sizeof(ResetData));
+ reset_info->env = env;
+ reset_info->vector = env->active_tc.PC;
+ qemu_register_reset(main_cpu_reset, reset_info);
/* allocate RAM */
if (ram_size > (256 << 20)) {
((unsigned int)ram_size / (1 << 20)));
exit(1);
}
- ram_offset = qemu_ram_alloc(ram_size);
+ memory_region_init_ram(ram, NULL, "mips_r4k.ram", ram_size);
- cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM);
+ memory_region_add_subregion(address_space_mem, 0, ram);
- if (!mips_qemu_iomemtype) {
- mips_qemu_iomemtype = cpu_register_io_memory(mips_qemu_read,
- mips_qemu_write, NULL);
- }
- cpu_register_physical_memory(0x1fbf0000, 0x10000, mips_qemu_iomemtype);
+ memory_region_init_io(iomem, &mips_qemu_ops, NULL, "mips-qemu", 0x10000);
+ memory_region_add_subregion(address_space_mem, 0x1fbf0000, iomem);
/* Try to load a BIOS image. If this fails, we continue regardless,
but initialize the hardware ourselves. When a kernel gets
} else {
bios_size = -1;
}
+#ifdef TARGET_WORDS_BIGENDIAN
+ be = 1;
+#else
+ be = 0;
+#endif
if ((bios_size > 0) && (bios_size <= BIOS_SIZE)) {
- bios_offset = qemu_ram_alloc(BIOS_SIZE);
- cpu_register_physical_memory(0x1fc00000, BIOS_SIZE,
- bios_offset | IO_MEM_ROM);
+ bios = g_new(MemoryRegion, 1);
+ memory_region_init_ram(bios, NULL, "mips_r4k.bios", BIOS_SIZE);
+ memory_region_set_readonly(bios, true);
+ memory_region_add_subregion(get_system_memory(), 0x1fc00000, bios);
load_image_targphys(filename, 0x1fc00000, BIOS_SIZE);
- } else if ((index = drive_get_index(IF_PFLASH, 0, 0)) > -1) {
+ } else if ((dinfo = drive_get(IF_PFLASH, 0, 0)) != NULL) {
uint32_t mips_rom = 0x00400000;
- bios_offset = qemu_ram_alloc(mips_rom);
- if (!pflash_cfi01_register(0x1fc00000, bios_offset,
- drives_table[index].bdrv, sector_len, mips_rom / sector_len,
- 4, 0, 0, 0, 0)) {
+ if (!pflash_cfi01_register(0x1fc00000, NULL, "mips_r4k.bios", mips_rom,
+ dinfo->bdrv, sector_len,
+ mips_rom / sector_len,
+ 4, 0, 0, 0, 0, be)) {
fprintf(stderr, "qemu: Error registering flash memory.\n");
}
}
bios_name);
}
if (filename) {
- qemu_free(filename);
+ g_free(filename);
}
if (kernel_filename) {
loaderparams.kernel_filename = kernel_filename;
loaderparams.kernel_cmdline = kernel_cmdline;
loaderparams.initrd_filename = initrd_filename;
- load_kernel (env);
+ reset_info->vector = load_kernel();
}
/* Init CPU internal devices */
cpu_mips_clock_init(env);
/* The PIC is attached to the MIPS CPU INT0 pin */
+ isa_bus_new(NULL, get_system_io());
i8259 = i8259_init(env->irq[2]);
+ isa_bus_irqs(i8259);
- rtc_state = rtc_init(0x70, i8259[8], 2000);
+ rtc_init(2000, NULL);
/* Register 64 KB of ISA IO space at 0x14000000 */
isa_mmio_init(0x14000000, 0x00010000);
isa_mem_base = 0x10000000;
- pit = pit_init(0x40, i8259[0]);
+ pit = pit_init(0x40, 0);
for(i = 0; i < MAX_SERIAL_PORTS; i++) {
if (serial_hds[i]) {
- serial_init(serial_io[i], i8259[serial_irq[i]], 115200,
- serial_hds[i]);
+ serial_isa_init(i, serial_hds[i]);
}
}
isa_vga_init();
if (nd_table[0].vlan)
- isa_ne2000_init(0x300, i8259[9], &nd_table[0]);
-
- if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
- fprintf(stderr, "qemu: too many IDE bus\n");
- exit(1);
- }
-
- for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
- index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
- if (index != -1)
- hd[i] = drives_table[index].bdrv;
- else
- hd[i] = NULL;
- }
+ isa_ne2000_init(0x300, 9, &nd_table[0]);
+ ide_drive_get(hd, MAX_IDE_BUS);
for(i = 0; i < MAX_IDE_BUS; i++)
- isa_ide_init(ide_iobase[i], ide_iobase2[i], i8259[ide_irq[i]],
+ isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i],
hd[MAX_IDE_DEVS * i],
hd[MAX_IDE_DEVS * i + 1]);
- i8042_init(i8259[1], i8259[12], 0x60);
+ isa_create_simple("i8042");
}
static QEMUMachine mips_machine = {
projects / qemu.git / blobdiff