Revision a748ab6d
| b/hw/ppc_oldworld.c | ||
|---|---|---|
| 34 | 34 |
#include "boards.h" |
| 35 | 35 |
|
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#define MAX_IDE_BUS 2 |
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#define VGA_BIOS_SIZE 65536 |
|
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|
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/* temporary frame buffer OSI calls for the video.x driver. The right |
| 39 | 40 |
solution is to modify the driver to use VGA PCI I/Os */ |
| ... | ... | |
| 116 | 117 |
nvram_t nvram; |
| 117 | 118 |
m48t59_t *m48t59; |
| 118 | 119 |
int linux_boot, i; |
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unsigned long bios_offset, vga_bios_offset;
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|
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ram_addr_t ram_offset, vga_ram_offset, bios_offset, vga_bios_offset;
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|
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uint32_t kernel_base, kernel_size, initrd_base, initrd_size; |
| 121 | 122 |
PCIBus *pci_bus; |
| 122 | 123 |
MacIONVRAMState *nvr; |
| ... | ... | |
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} |
| 155 | 156 |
|
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/* allocate RAM */ |
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cpu_register_physical_memory(0, ram_size, IO_MEM_RAM); |
|
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ram_offset = qemu_ram_alloc(ram_size); |
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cpu_register_physical_memory(0, ram_size, ram_offset); |
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/* allocate VGA RAM */ |
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vga_ram_offset = qemu_ram_alloc(vga_ram_size); |
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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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bios_offset = qemu_ram_alloc(BIOS_SIZE);
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|
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if (bios_name == NULL) |
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bios_name = BIOS_FILENAME; |
| 163 | 168 |
snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name); |
| ... | ... | |
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cpu_abort(env, "qemu: could not load PowerPC bios '%s'\n", buf); |
| 167 | 172 |
exit(1); |
| 168 | 173 |
} |
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bios_size = (bios_size + 0xfff) & ~0xfff; |
|
| 170 | 174 |
if (bios_size > 0x00080000) {
|
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/* As the NVRAM is located at 0xFFF04000, we cannot use 1 MB BIOSes */ |
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cpu_abort(env, "G3BW Mac hardware can not handle 1 MB BIOS\n"); |
| ... | ... | |
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bios_size, bios_offset | IO_MEM_ROM); |
| 176 | 180 |
|
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/* allocate and load VGA BIOS */ |
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vga_bios_offset = bios_offset + bios_size;
|
|
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vga_bios_offset = qemu_ram_alloc(VGA_BIOS_SIZE);
|
|
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snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME); |
| 180 | 184 |
vga_bios_size = load_image(buf, phys_ram_base + vga_bios_offset + 8); |
| 181 | 185 |
if (vga_bios_size < 0) {
|
| ... | ... | |
| 193 | 197 |
vga_bios_size); |
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vga_bios_size += 8; |
| 195 | 199 |
} |
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vga_bios_size = (vga_bios_size + 0xfff) & ~0xfff; |
|
| 197 | 200 |
|
| 198 | 201 |
if (linux_boot) {
|
| 199 | 202 |
kernel_base = KERNEL_LOAD_ADDR; |
| ... | ... | |
| 278 | 281 |
} |
| 279 | 282 |
pic = heathrow_pic_init(&pic_mem_index, 1, heathrow_irqs); |
| 280 | 283 |
pci_bus = pci_grackle_init(0xfec00000, pic); |
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pci_vga_init(pci_bus, ds, phys_ram_base + ram_size,
|
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ram_size, vga_ram_size,
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pci_vga_init(pci_bus, ds, phys_ram_base + vga_ram_offset,
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vga_ram_offset, vga_ram_size,
|
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vga_bios_offset, vga_bios_size); |
| 284 | 287 |
|
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/* XXX: suppress that */ |
| ... | ... | |
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.name = "g3bw", |
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.desc = "Heathrow based PowerMAC", |
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.init = ppc_heathrow_init, |
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.ram_require = BIOS_SIZE + VGA_RAM_SIZE, |
|
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.ram_require = BIOS_SIZE + VGA_BIOS_SIZE + VGA_RAM_SIZE,
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|
| 373 | 376 |
.max_cpus = MAX_CPUS, |
| 374 | 377 |
}; |
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