hw/pc: move rom init to pc_sysfw.c

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Jordan Justen 2012-02-21 23:18:51 -08:00 committed by Anthony Liguori
parent 2c8cffa599
commit cbc5b5f3aa
4 changed files with 101 additions and 51 deletions

56
hw/pc.c
View file

@ -60,10 +60,6 @@
#define DPRINTF(fmt, ...)
#endif
#define BIOS_FILENAME "bios.bin"
#define PC_MAX_BIOS_SIZE (4 * 1024 * 1024)
/* Leave a chunk of memory at the top of RAM for the BIOS ACPI tables. */
#define ACPI_DATA_SIZE 0x10000
#define BIOS_CFG_IOPORT 0x510
@ -990,11 +986,9 @@ void pc_memory_init(MemoryRegion *system_memory,
MemoryRegion *rom_memory,
MemoryRegion **ram_memory)
{
char *filename;
int ret, linux_boot, i;
MemoryRegion *ram, *bios, *isa_bios, *option_rom_mr;
int linux_boot, i;
MemoryRegion *ram, *option_rom_mr;
MemoryRegion *ram_below_4g, *ram_above_4g;
int bios_size, isa_bios_size;
void *fw_cfg;
linux_boot = (kernel_filename != NULL);
@ -1020,44 +1014,9 @@ void pc_memory_init(MemoryRegion *system_memory,
ram_above_4g);
}
/* BIOS load */
if (bios_name == NULL)
bios_name = BIOS_FILENAME;
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
if (filename) {
bios_size = get_image_size(filename);
} else {
bios_size = -1;
}
if (bios_size <= 0 ||
(bios_size % 65536) != 0) {
goto bios_error;
}
bios = g_malloc(sizeof(*bios));
memory_region_init_ram(bios, "pc.bios", bios_size);
vmstate_register_ram_global(bios);
memory_region_set_readonly(bios, true);
ret = rom_add_file_fixed(bios_name, (uint32_t)(-bios_size), -1);
if (ret != 0) {
bios_error:
fprintf(stderr, "qemu: could not load PC BIOS '%s'\n", bios_name);
exit(1);
}
if (filename) {
g_free(filename);
}
/* map the last 128KB of the BIOS in ISA space */
isa_bios_size = bios_size;
if (isa_bios_size > (128 * 1024))
isa_bios_size = 128 * 1024;
isa_bios = g_malloc(sizeof(*isa_bios));
memory_region_init_alias(isa_bios, "isa-bios", bios,
bios_size - isa_bios_size, isa_bios_size);
memory_region_add_subregion_overlap(rom_memory,
0x100000 - isa_bios_size,
isa_bios,
1);
memory_region_set_readonly(isa_bios, true);
/* Initialize PC system firmware */
pc_system_firmware_init(rom_memory);
option_rom_mr = g_malloc(sizeof(*option_rom_mr));
memory_region_init_ram(option_rom_mr, "pc.rom", PC_ROM_SIZE);
@ -1067,11 +1026,6 @@ void pc_memory_init(MemoryRegion *system_memory,
option_rom_mr,
1);
/* map all the bios at the top of memory */
memory_region_add_subregion(rom_memory,
(uint32_t)(-bios_size),
bios);
fw_cfg = bochs_bios_init();
rom_set_fw(fw_cfg);