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-rw-r--r--hw/pc_sysfw.c273
1 files changed, 0 insertions, 273 deletions
diff --git a/hw/pc_sysfw.c b/hw/pc_sysfw.c
deleted file mode 100644
index 3e01528e78..0000000000
--- a/hw/pc_sysfw.c
+++ /dev/null
@@ -1,273 +0,0 @@
-/*
- * QEMU PC System Firmware
- *
- * Copyright (c) 2003-2004 Fabrice Bellard
- * Copyright (c) 2011-2012 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "sysemu/blockdev.h"
-#include "qemu/error-report.h"
-#include "hw/sysbus.h"
-#include "hw/hw.h"
-#include "hw/pc.h"
-#include "hw/boards.h"
-#include "hw/loader.h"
-#include "sysemu/sysemu.h"
-#include "hw/flash.h"
-#include "sysemu/kvm.h"
-
-#define BIOS_FILENAME "bios.bin"
-
-typedef struct PcSysFwDevice {
- SysBusDevice busdev;
- uint8_t rom_only;
-} PcSysFwDevice;
-
-static void pc_isa_bios_init(MemoryRegion *rom_memory,
- MemoryRegion *flash_mem,
- int ram_size)
-{
- int isa_bios_size;
- MemoryRegion *isa_bios;
- uint64_t flash_size;
- void *flash_ptr, *isa_bios_ptr;
-
- flash_size = memory_region_size(flash_mem);
-
- /* map the last 128KB of the BIOS in ISA space */
- isa_bios_size = flash_size;
- if (isa_bios_size > (128 * 1024)) {
- isa_bios_size = 128 * 1024;
- }
- isa_bios = g_malloc(sizeof(*isa_bios));
- memory_region_init_ram(isa_bios, "isa-bios", isa_bios_size);
- vmstate_register_ram_global(isa_bios);
- memory_region_add_subregion_overlap(rom_memory,
- 0x100000 - isa_bios_size,
- isa_bios,
- 1);
-
- /* copy ISA rom image from top of flash memory */
- flash_ptr = memory_region_get_ram_ptr(flash_mem);
- isa_bios_ptr = memory_region_get_ram_ptr(isa_bios);
- memcpy(isa_bios_ptr,
- ((uint8_t*)flash_ptr) + (flash_size - isa_bios_size),
- isa_bios_size);
-
- memory_region_set_readonly(isa_bios, true);
-}
-
-static void pc_fw_add_pflash_drv(void)
-{
- QemuOpts *opts;
- QEMUMachine *machine;
- char *filename;
-
- if (bios_name == NULL) {
- bios_name = BIOS_FILENAME;
- }
- filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
- if (!filename) {
- error_report("Can't open BIOS image %s", bios_name);
- exit(1);
- }
-
- opts = drive_add(IF_PFLASH, -1, filename, "readonly=on");
-
- g_free(filename);
-
- if (opts == NULL) {
- return;
- }
-
- machine = find_default_machine();
- if (machine == NULL) {
- return;
- }
-
- if (!drive_init(opts, machine->block_default_type)) {
- qemu_opts_del(opts);
- }
-}
-
-static void pc_system_flash_init(MemoryRegion *rom_memory,
- DriveInfo *pflash_drv)
-{
- BlockDriverState *bdrv;
- int64_t size;
- hwaddr phys_addr;
- int sector_bits, sector_size;
- pflash_t *system_flash;
- MemoryRegion *flash_mem;
-
- bdrv = pflash_drv->bdrv;
- size = bdrv_getlength(pflash_drv->bdrv);
- sector_bits = 12;
- sector_size = 1 << sector_bits;
-
- if ((size % sector_size) != 0) {
- fprintf(stderr,
- "qemu: PC system firmware (pflash) must be a multiple of 0x%x\n",
- sector_size);
- exit(1);
- }
-
- phys_addr = 0x100000000ULL - size;
- system_flash = pflash_cfi01_register(phys_addr, NULL, "system.flash", size,
- bdrv, sector_size, size >> sector_bits,
- 1, 0x0000, 0x0000, 0x0000, 0x0000, 0);
- flash_mem = pflash_cfi01_get_memory(system_flash);
-
- pc_isa_bios_init(rom_memory, flash_mem, size);
-}
-
-static void old_pc_system_rom_init(MemoryRegion *rom_memory)
-{
- char *filename;
- MemoryRegion *bios, *isa_bios;
- int bios_size, isa_bios_size;
- int ret;
-
- /* 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);
-
- /* map all the bios at the top of memory */
- memory_region_add_subregion(rom_memory,
- (uint32_t)(-bios_size),
- bios);
-}
-
-void pc_system_firmware_init(MemoryRegion *rom_memory)
-{
- DriveInfo *pflash_drv;
- PcSysFwDevice *sysfw_dev;
-
- sysfw_dev = (PcSysFwDevice*) qdev_create(NULL, "pc-sysfw");
-
- qdev_init_nofail(DEVICE(sysfw_dev));
-
- if (sysfw_dev->rom_only) {
- old_pc_system_rom_init(rom_memory);
- return;
- }
-
- pflash_drv = drive_get(IF_PFLASH, 0, 0);
-
- /* Currently KVM cannot execute from device memory.
- Use old rom based firmware initialization for KVM. */
- if (kvm_enabled()) {
- if (pflash_drv != NULL) {
- fprintf(stderr, "qemu: pflash cannot be used with kvm enabled\n");
- exit(1);
- } else {
- sysfw_dev->rom_only = 1;
- old_pc_system_rom_init(rom_memory);
- return;
- }
- }
-
- /* If a pflash drive is not found, then create one using
- the bios filename. */
- if (pflash_drv == NULL) {
- pc_fw_add_pflash_drv();
- pflash_drv = drive_get(IF_PFLASH, 0, 0);
- }
-
- if (pflash_drv != NULL) {
- pc_system_flash_init(rom_memory, pflash_drv);
- } else {
- fprintf(stderr, "qemu: PC system firmware (pflash) not available\n");
- exit(1);
- }
-}
-
-static Property pcsysfw_properties[] = {
- DEFINE_PROP_UINT8("rom_only", PcSysFwDevice, rom_only, 0),
- DEFINE_PROP_END_OF_LIST(),
-};
-
-static int pcsysfw_init(DeviceState *dev)
-{
- return 0;
-}
-
-static void pcsysfw_class_init (ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS (klass);
-
- dc->desc = "PC System Firmware";
- dc->init = pcsysfw_init;
- dc->props = pcsysfw_properties;
-}
-
-static const TypeInfo pcsysfw_info = {
- .name = "pc-sysfw",
- .parent = TYPE_SYS_BUS_DEVICE,
- .instance_size = sizeof (PcSysFwDevice),
- .class_init = pcsysfw_class_init,
-};
-
-static void pcsysfw_register (void)
-{
- type_register_static (&pcsysfw_info);
-}
-
-type_init (pcsysfw_register);
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 20:53:28 +0000