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PowerPC merge 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@862 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-05-23 22:34:16 +00:00
parent 4b3686faee
commit a2a444d6e0
1 changed files with 15 additions and 5 deletions
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20
hw/ppc_prep.c
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@ -937,18 +937,28 @@ void ppc_prep_init(int ram_size, int vga_ram_size, int boot_device,
PPC_init_hw(/*env,*/ ram_size, KERNEL_LOAD_ADDR, ret,
KERNEL_STACK_ADDR, boot_device, initrd_filename);
} else {
int bios_ram_offset;
#define BIOS_START 0x00800000
/* allocate ROM */
// snprintf(buf, sizeof(buf), "%s/%s", bios_dir, BIOS_FILENAME);
snprintf(buf, sizeof(buf), "%s", BIOS_FILENAME);
printf("load BIOS at %p\n", phys_ram_base + 0x000f0000);
ret = load_image(buf, phys_ram_base + 0x000f0000);
if (ret != 0x10000) {
snprintf(buf, sizeof(buf), "%s/%s", bios_dir, BIOS_FILENAME);
bios_ram_offset = ram_size + vga_ram_size;
printf("load BIOS at 0x%08x\n", BIOS_START);
ret = load_image(buf, phys_ram_base + bios_ram_offset);
if (ret != BIOS_SIZE) {
fprintf(stderr, "qemu: could not load PPC bios '%s' (%d)\n%m\n",
buf, ret);
exit(1);
}
global_env->nip = BIOS_START + BIOS_SIZE - 4;
cpu_register_physical_memory(BIOS_START, BIOS_SIZE,
IO_MEM_ROM | bios_ram_offset);
}
/* Register CPU as a 74x/75x */
cpu_ppc_register(cpu_single_env, 0x00080000);
/* Set time-base frequency to 100 Mhz */
cpu_ppc_tb_init(cpu_single_env, 100UL * 1000UL * 1000UL);
/* init basic PC hardware */