mirror of
https://github.com/xcat2/xcat-dep.git
synced 2024-11-23 10:01:46 +00:00
92 lines
3.5 KiB
Diff
92 lines
3.5 KiB
Diff
diff -urN qemu-kvm-0.10.5/hw/pc.c qemu-kvm-0.10.5-extoptrom//hw/pc.c
|
|
--- qemu-kvm-0.10.5/hw/pc.c 2009-05-21 05:05:19.000000000 -0400
|
|
+++ qemu-kvm-0.10.5-extoptrom//hw/pc.c 2009-06-23 09:32:02.000000000 -0400
|
|
@@ -818,7 +818,7 @@
|
|
{
|
|
char buf[1024];
|
|
int ret, linux_boot, i;
|
|
- ram_addr_t ram_addr, vga_ram_addr, bios_offset, vga_bios_offset;
|
|
+ ram_addr_t ram_addr, vga_ram_addr, bios_offset, vga_bios_offset, option_rom_start = 0;
|
|
ram_addr_t below_4g_mem_size, above_4g_mem_size = 0;
|
|
int bios_size, isa_bios_size, vga_bios_size;
|
|
int pci_option_rom_offset;
|
|
@@ -830,6 +830,9 @@
|
|
int index;
|
|
BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
|
|
BlockDriverState *fd[MAX_FD];
|
|
+ int using_vga = cirrus_vga_enabled || std_vga_enabled || vmsvga_enabled;
|
|
+
|
|
+
|
|
|
|
if (ram_size >= 0xe0000000 ) {
|
|
above_4g_mem_size = ram_size - 0xe0000000;
|
|
@@ -905,7 +908,7 @@
|
|
exit(1);
|
|
}
|
|
|
|
- if (cirrus_vga_enabled || std_vga_enabled || vmsvga_enabled) {
|
|
+ if (using_vga) {
|
|
/* VGA BIOS load */
|
|
if (cirrus_vga_enabled) {
|
|
snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_CIRRUS_FILENAME);
|
|
@@ -923,11 +926,21 @@
|
|
fprintf(stderr, "qemu: could not load VGA BIOS '%s'\n", buf);
|
|
exit(1);
|
|
}
|
|
+ /* Round up vga bios size to the next 2k boundary */
|
|
+ vga_bios_size = (vga_bios_size + 2047) & ~2047;
|
|
+ option_rom_start = 0xc0000 + vga_bios_size;
|
|
+
|
|
|
|
/* setup basic memory access */
|
|
- cpu_register_physical_memory(0xc0000, 0x10000,
|
|
+ cpu_register_physical_memory(0xc0000, vga_bios_size,
|
|
vga_bios_offset | IO_MEM_ROM);
|
|
}
|
|
+ /* No point in placing option roms before this address, since bochs bios
|
|
+ * will only start looking for it at 0xc8000 */
|
|
+ if (option_rom_start < 0xc8000)
|
|
+ option_rom_start = 0xc8000;
|
|
+
|
|
+
|
|
|
|
/* map the last 128KB of the BIOS in ISA space */
|
|
isa_bios_size = bios_size;
|
|
@@ -949,14 +962,15 @@
|
|
ram_addr_t option_rom_offset;
|
|
int size, offset;
|
|
|
|
- offset = 0;
|
|
+ offset = option_rom_start;
|
|
+
|
|
if (linux_boot) {
|
|
option_rom_offset = qemu_ram_alloc(TARGET_PAGE_SIZE);
|
|
- cpu_register_physical_memory(0xd0000, TARGET_PAGE_SIZE,
|
|
+ cpu_register_physical_memory(option_rom_start, TARGET_PAGE_SIZE,
|
|
option_rom_offset);
|
|
load_linux(0xd0000,
|
|
kernel_filename, initrd_filename, kernel_cmdline, below_4g_mem_size);
|
|
- offset = TARGET_PAGE_SIZE;
|
|
+ offset += TARGET_PAGE_SIZE;
|
|
}
|
|
|
|
for (i = 0; i < nb_option_roms; i++) {
|
|
@@ -966,7 +980,7 @@
|
|
option_rom[i]);
|
|
exit(1);
|
|
}
|
|
- if (size > (0x10000 - offset))
|
|
+ if (size > (0xe0000 - offset))
|
|
goto option_rom_error;
|
|
option_rom_offset = qemu_ram_alloc(size);
|
|
ret = load_image(option_rom[i], phys_ram_base + option_rom_offset);
|
|
@@ -980,7 +994,7 @@
|
|
initialization, and (optionally) marked readonly by the BIOS
|
|
before INT 19h. See the PNPBIOS specification, appendix B.
|
|
DDIM support is mandatory for proper PCI expansion ROM support. */
|
|
- cpu_register_physical_memory(0xd0000 + offset,
|
|
+ cpu_register_physical_memory(offset,
|
|
size, option_rom_offset /* | IO_MEM_ROM */);
|
|
option_rom_setup_reset(0xd0000 + offset, size);
|
|
offset += size;
|