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-rw-r--r--hw/pc.c87
-rw-r--r--vl.c13
-rw-r--r--vl.h3
3 files changed, 57 insertions, 46 deletions
diff --git a/hw/pc.c b/hw/pc.c
index 05802bca97..0560ff1f92 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -451,8 +451,8 @@ 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, option_rom_offset;
- int bios_size, isa_bios_size;
+ ram_addr_t ram_addr, vga_ram_addr, bios_offset, vga_bios_offset;
+ int bios_size, isa_bios_size, vga_bios_size;
PCIBus *pci_bus;
int piix3_devfn = -1;
CPUState *env;
@@ -477,23 +477,24 @@ static void pc_init1(int ram_size, int vga_ram_size, int boot_device,
}
/* allocate RAM */
- cpu_register_physical_memory(0, ram_size, 0);
+ ram_addr = qemu_ram_alloc(ram_size);
+ cpu_register_physical_memory(0, ram_size, ram_addr);
- /* BIOS load */
- bios_offset = ram_size + vga_ram_size;
- vga_bios_offset = bios_offset + 256 * 1024;
+ /* allocate VGA RAM */
+ vga_ram_addr = qemu_ram_alloc(vga_ram_size);
+ /* BIOS load */
snprintf(buf, sizeof(buf), "%s/%s", bios_dir, BIOS_FILENAME);
bios_size = get_image_size(buf);
if (bios_size <= 0 ||
- (bios_size % 65536) != 0 ||
- bios_size > (256 * 1024)) {
+ (bios_size % 65536) != 0) {
goto bios_error;
}
+ bios_offset = qemu_ram_alloc(bios_size);
ret = load_image(buf, phys_ram_base + bios_offset);
if (ret != bios_size) {
bios_error:
- fprintf(stderr, "qemu: could not load PC bios '%s'\n", buf);
+ fprintf(stderr, "qemu: could not load PC BIOS '%s'\n", buf);
exit(1);
}
@@ -503,8 +504,18 @@ static void pc_init1(int ram_size, int vga_ram_size, int boot_device,
} else {
snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME);
}
+ vga_bios_size = get_image_size(buf);
+ if (vga_bios_size <= 0 || vga_bios_size > 65536)
+ goto vga_bios_error;
+ vga_bios_offset = qemu_ram_alloc(65536);
+
ret = load_image(buf, phys_ram_base + vga_bios_offset);
-
+ if (ret != vga_bios_size) {
+ vga_bios_error:
+ fprintf(stderr, "qemu: could not load VGA BIOS '%s'\n", buf);
+ exit(1);
+ }
+
/* setup basic memory access */
cpu_register_physical_memory(0xc0000, 0x10000,
vga_bios_offset | IO_MEM_ROM);
@@ -519,20 +530,32 @@ static void pc_init1(int ram_size, int vga_ram_size, int boot_device,
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);
+ {
+ ram_addr_t option_rom_offset;
+ int size, offset;
+
+ offset = 0;
+ for (i = 0; i < nb_option_roms; i++) {
+ size = get_image_size(option_rom[i]);
+ if (size < 0) {
+ fprintf(stderr, "Could not load option rom '%s'\n",
+ option_rom[i]);
+ exit(1);
+ }
+ if (size > (0x10000 - offset))
+ goto option_rom_error;
+ option_rom_offset = qemu_ram_alloc(size);
+ ret = load_image(option_rom[i], phys_ram_base + option_rom_offset);
+ if (ret != size) {
+ option_rom_error:
+ fprintf(stderr, "Too many option ROMS\n");
+ exit(1);
+ }
+ size = (size + 4095) & ~4095;
+ cpu_register_physical_memory(0xd0000 + offset,
+ size, option_rom_offset | IO_MEM_ROM);
+ offset += size;
+ }
}
/* map all the bios at the top of memory */
@@ -612,19 +635,19 @@ static void pc_init1(int ram_size, int vga_ram_size, int boot_device,
if (cirrus_vga_enabled) {
if (pci_enabled) {
pci_cirrus_vga_init(pci_bus,
- ds, phys_ram_base + ram_size, ram_size,
- vga_ram_size);
+ ds, phys_ram_base + vga_ram_addr,
+ vga_ram_addr, vga_ram_size);
} else {
- isa_cirrus_vga_init(ds, phys_ram_base + ram_size, ram_size,
- vga_ram_size);
+ isa_cirrus_vga_init(ds, phys_ram_base + vga_ram_addr,
+ vga_ram_addr, vga_ram_size);
}
} else {
if (pci_enabled) {
- pci_vga_init(pci_bus, ds, phys_ram_base + ram_size, ram_size,
- vga_ram_size, 0, 0);
+ pci_vga_init(pci_bus, ds, phys_ram_base + vga_ram_addr,
+ vga_ram_addr, vga_ram_size, 0, 0);
} else {
- isa_vga_init(ds, phys_ram_base + ram_size, ram_size,
- vga_ram_size);
+ isa_vga_init(ds, phys_ram_base + vga_ram_addr,
+ vga_ram_addr, vga_ram_size);
}
}
diff --git a/vl.c b/vl.c
index 1757036c05..a510df786f 100644
--- a/vl.c
+++ b/vl.c
@@ -125,7 +125,6 @@ BlockDriverState *bs_table[MAX_DISKS + 1], *fd_table[MAX_FD];
/* point to the block driver where the snapshots are managed */
BlockDriverState *bs_snapshots;
int vga_ram_size;
-int bios_size;
static DisplayState display_state;
int nographic;
const char* keyboard_layout = NULL;
@@ -6564,7 +6563,6 @@ int main(int argc, char **argv)
hd_filename[i] = NULL;
ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
vga_ram_size = VGA_RAM_SIZE;
- bios_size = BIOS_SIZE;
#ifdef CONFIG_GDBSTUB
use_gdbstub = 0;
gdbstub_port = DEFAULT_GDBSTUB_PORT;
@@ -7078,16 +7076,7 @@ int main(int argc, char **argv)
#endif
/* init the memory */
- phys_ram_size = ram_size + vga_ram_size + bios_size;
-
- for (i = 0; i < nb_option_roms; i++) {
- int ret = get_image_size(option_rom[i]);
- if (ret == -1) {
- fprintf(stderr, "Could not load option rom '%s'\n", option_rom[i]);
- exit(1);
- }
- phys_ram_size += ret;
- }
+ phys_ram_size = ram_size + vga_ram_size + MAX_BIOS_SIZE;
phys_ram_base = qemu_vmalloc(phys_ram_size);
if (!phys_ram_base) {
diff --git a/vl.h b/vl.h
index ff717863f5..a06ce18348 100644
--- a/vl.h
+++ b/vl.h
@@ -165,12 +165,11 @@ extern const char *option_rom[MAX_OPTION_ROMS];
extern int nb_option_roms;
/* XXX: make it dynamic */
+#define MAX_BIOS_SIZE (4 * 1024 * 1024)
#if defined (TARGET_PPC) || defined (TARGET_SPARC64)
#define BIOS_SIZE ((512 + 32) * 1024)
#elif defined(TARGET_MIPS)
#define BIOS_SIZE (4 * 1024 * 1024)
-#else
-#define BIOS_SIZE ((256 + 64) * 1024)
#endif
/* keyboard/mouse support */
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-27 05:55:09 +0000