Revision d5295253 hw/ppc_chrp.c
| b/hw/ppc_chrp.c | ||
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#include "vl.h" |
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#define BIOS_FILENAME "ppc_rom.bin" |
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#define VGABIOS_FILENAME "video.x" |
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#define NVRAM_SIZE 0x2000 |
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#define KERNEL_LOAD_ADDR 0x01000000 |
| ... | ... | |
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void *pic; |
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m48t59_t *nvram; |
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int PPC_io_memory, unin_memory; |
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int ret, linux_boot, i;
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unsigned long bios_offset; |
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int linux_boot, i; |
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unsigned long bios_offset, vga_bios_offset;
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uint32_t kernel_base, kernel_size, initrd_base, initrd_size; |
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ppc_def_t *def; |
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PCIBus *pci_bus; |
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const char *arch_name; |
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int vga_bios_size, bios_size; |
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linux_boot = (kernel_filename != NULL); |
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|
| ... | ... | |
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/* allocate and load BIOS */ |
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bios_offset = ram_size + vga_ram_size; |
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snprintf(buf, sizeof(buf), "%s/%s", bios_dir, BIOS_FILENAME); |
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ret = load_image(buf, phys_ram_base + bios_offset);
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if (ret != BIOS_SIZE) {
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fprintf(stderr, "qemu: could not load PPC PREP bios '%s'\n", buf);
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bios_size = load_image(buf, phys_ram_base + bios_offset);
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if (bios_size < 0 || bios_size > BIOS_SIZE) {
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fprintf(stderr, "qemu: could not load PowerPC bios '%s'\n", buf);
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exit(1); |
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} |
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cpu_register_physical_memory((uint32_t)(-BIOS_SIZE), |
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BIOS_SIZE, bios_offset | IO_MEM_ROM); |
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cpu_single_env->nip = 0xfffffffc; |
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bios_size = (bios_size + 0xfff) & ~0xfff; |
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cpu_register_physical_memory((uint32_t)(-bios_size), |
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bios_size, bios_offset | IO_MEM_ROM); |
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/* allocate and load VGA BIOS */ |
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vga_bios_offset = bios_offset + bios_size; |
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snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME); |
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vga_bios_size = load_image(buf, phys_ram_base + vga_bios_offset + 8); |
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if (vga_bios_size < 0) {
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/* if no bios is present, we can still work */ |
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fprintf(stderr, "qemu: warning: could not load VGA bios '%s'\n", buf); |
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vga_bios_size = 0; |
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} else {
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/* set a specific header (XXX: find real Apple format for NDRV |
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drivers) */ |
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phys_ram_base[vga_bios_offset] = 'N'; |
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phys_ram_base[vga_bios_offset + 1] = 'D'; |
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phys_ram_base[vga_bios_offset + 2] = 'R'; |
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phys_ram_base[vga_bios_offset + 3] = 'V'; |
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cpu_to_be32w((uint32_t *)(phys_ram_base + vga_bios_offset + 4), |
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vga_bios_size); |
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vga_bios_size += 8; |
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} |
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vga_bios_size = (vga_bios_size + 0xfff) & ~0xfff; |
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if (linux_boot) {
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kernel_base = KERNEL_LOAD_ADDR; |
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/* now we can load the kernel */ |
| ... | ... | |
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cpu_register_physical_memory(0xfe000000, 0x00200000, PPC_io_memory); |
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/* init basic PC hardware */ |
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vga_initialize(pci_bus, ds, phys_ram_base + ram_size, ram_size, |
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vga_ram_size); |
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vga_initialize(pci_bus, ds, phys_ram_base + ram_size, |
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ram_size, vga_ram_size, |
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vga_bios_offset, vga_bios_size); |
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pic = heathrow_pic_init(&heathrow_pic_mem_index); |
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set_irq = heathrow_pic_set_irq; |
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pci_set_pic(pci_bus, set_irq, pic); |
| ... | ... | |
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cpu_register_physical_memory(0xf8000000, 0x00001000, unin_memory); |
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/* init basic PC hardware */ |
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vga_initialize(pci_bus, ds, phys_ram_base + ram_size, ram_size, |
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vga_ram_size); |
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vga_initialize(pci_bus, ds, phys_ram_base + ram_size, |
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ram_size, vga_ram_size, |
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vga_bios_offset, vga_bios_size); |
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pic = openpic_init(NULL, &openpic_mem_index, 1); |
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set_irq = openpic_set_irq; |
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pci_set_pic(pci_bus, set_irq, pic); |
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