diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2013-08-09 12:35:02 -0500 |
---|---|---|
committer | Anthony Liguori <aliguori@us.ibm.com> | 2013-08-12 09:31:14 -0500 |
commit | 6dd2a5c98a6b1c9189d342bcc3493c9b5dd1217e (patch) | |
tree | a054eb04c6992ab648c9c92de6aefdfa64daea8d /hw/block | |
parent | a904410af5f1ed6ff031e9e4119ca2f5d99647ce (diff) |
pc_sysfw: do not make it a device anymore
Move the code to hw/i386, the sole remaining property is available
as !pci_enabled.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-id: 1376069702-22330-4-git-send-email-aliguori@us.ibm.com
Rebased.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw/block')
-rw-r--r-- | hw/block/Makefile.objs | 1 | ||||
-rw-r--r-- | hw/block/pc_sysfw.c | 234 |
2 files changed, 0 insertions, 235 deletions
diff --git a/hw/block/Makefile.objs b/hw/block/Makefile.objs index 25acc6722d..bf46f03b7e 100644 --- a/hw/block/Makefile.objs +++ b/hw/block/Makefile.objs @@ -7,7 +7,6 @@ common-obj-$(CONFIG_PFLASH_CFI02) += pflash_cfi02.o common-obj-$(CONFIG_XEN_BACKEND) += xen_disk.o common-obj-$(CONFIG_ECC) += ecc.o common-obj-$(CONFIG_ONENAND) += onenand.o -common-obj-$(CONFIG_PC_SYSFW) += pc_sysfw.o common-obj-$(CONFIG_NVME_PCI) += nvme.o obj-$(CONFIG_SH4) += tc58128.o diff --git a/hw/block/pc_sysfw.c b/hw/block/pc_sysfw.c deleted file mode 100644 index 1902caba91..0000000000 --- a/hw/block/pc_sysfw.c +++ /dev/null @@ -1,234 +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/i386/pc.h" -#include "hw/boards.h" -#include "hw/loader.h" -#include "sysemu/sysemu.h" -#include "hw/block/flash.h" -#include "sysemu/kvm.h" - -#define BIOS_FILENAME "bios.bin" - -typedef struct PcSysFwDevice { - SysBusDevice busdev; - uint8_t isapc_ram_fw; -} 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, NULL, "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_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, bool isapc_ram_fw) -{ - 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, NULL, "pc.bios", bios_size); - vmstate_register_ram_global(bios); - if (!isapc_ram_fw) { - 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, NULL, "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); - if (!isapc_ram_fw) { - 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; - - /* - * TODO This device exists only so that users can switch between - * use of flash and ROM for the BIOS. The ability to switch was - * created because flash doesn't work with KVM. Once it does, we - * should drop this device. - */ - sysfw_dev = (PcSysFwDevice*) qdev_create(NULL, "pc-sysfw"); - - qdev_init_nofail(DEVICE(sysfw_dev)); - - pflash_drv = drive_get(IF_PFLASH, 0, 0); - - if (sysfw_dev->isapc_ram_fw || pflash_drv == NULL) { - /* When a pflash drive is not found, use rom-mode */ - old_pc_system_rom_init(rom_memory, sysfw_dev->isapc_ram_fw); - return; - } - - if (kvm_enabled() && !kvm_readonly_mem_enabled()) { - /* Older KVM cannot execute from device memory. So, flash memory - * cannot be used unless the readonly memory kvm capability is present. */ - fprintf(stderr, "qemu: pflash with kvm requires KVM readonly memory support\n"); - exit(1); - } - - pc_system_flash_init(rom_memory, pflash_drv); -} - -static Property pcsysfw_properties[] = { - DEFINE_PROP_UINT8("isapc_ram_fw", PcSysFwDevice, isapc_ram_fw, 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); - - set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); - 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); - |