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Add -option-rom option to allow loading of PCI option ROMs, by Anthony Liguori.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2292 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2007-01-05 17:39:04 +00:00
parent a0ae05aa63
commit 9ae0255520
4 changed files with 48 additions and 1 deletions
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19
hw/pc.c
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@ -451,7 +451,7 @@ static void pc_init1(int ram_size, int vga_ram_size, int boot_device,
{
char buf[1024];
int ret, linux_boot, initrd_size, i;
unsigned long bios_offset, vga_bios_offset;
unsigned long bios_offset, vga_bios_offset, option_rom_offset;
int bios_size, isa_bios_size;
PCIBus *pci_bus;
int piix3_devfn = -1;
@ -518,6 +518,23 @@ static void pc_init1(int ram_size, int vga_ram_size, int boot_device,
cpu_register_physical_memory(0x100000 - isa_bios_size,
isa_bios_size,
(bios_offset + bios_size - isa_bios_size) | IO_MEM_ROM);
option_rom_offset = 0;
for (i = 0; i < nb_option_roms; i++) {
int offset = bios_offset + bios_size + option_rom_offset;
int size;
size = load_image(option_rom[i], phys_ram_base + offset);
if ((size + option_rom_offset) > 0x10000) {
fprintf(stderr, "Too many option ROMS\n");
exit(1);
}
cpu_register_physical_memory(0xd0000 + option_rom_offset,
size, offset | IO_MEM_ROM);
option_rom_offset += size + 2047;
option_rom_offset -= (option_rom_offset % 2048);
}
/* map all the bios at the top of memory */
cpu_register_physical_memory((uint32_t)(-bios_size),
bios_size, bios_offset | IO_MEM_ROM);