diff options
Diffstat (limited to 'hw/ppc_prep.c')
| -rw-r--r-- | hw/ppc_prep.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/hw/ppc_prep.c b/hw/ppc_prep.c index 05783992b8..4b50a1788d 100644 --- a/hw/ppc_prep.c +++ b/hw/ppc_prep.c @@ -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 */ |