diff options
Diffstat (limited to 'hw/pc.c')
| -rw-r--r-- | hw/pc.c | 98 |
1 files changed, 27 insertions, 71 deletions
@@ -36,6 +36,8 @@ #include "elf.h" #include "multiboot.h" #include "mc146818rtc.h" +#include "i8254.h" +#include "pcspk.h" #include "msi.h" #include "sysbus.h" #include "sysemu.h" @@ -58,10 +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 @@ -337,6 +335,7 @@ void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size, { int val, nb, nb_heads, max_track, last_sect, i; FDriveType fd_type[2] = { FDRIVE_DRV_NONE, FDRIVE_DRV_NONE }; + FDriveRate rate; BlockDriverState *fd[MAX_FD]; static pc_cmos_init_late_arg arg; @@ -385,7 +384,7 @@ void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size, if (fd[i] && bdrv_is_inserted(fd[i])) { bdrv_get_floppy_geometry_hint(fd[i], &nb_heads, &max_track, &last_sect, FDRIVE_DRV_NONE, - &fd_type[i]); + &fd_type[i], &rate); } } } @@ -514,11 +513,12 @@ static TypeInfo port92_info = { .class_init = port92_class_initfn, }; -static void port92_register(void) +static void port92_register_types(void) { type_register_static(&port92_info); } -device_init(port92_register) + +type_init(port92_register_types) static void handle_a20_line_change(void *opaque, int irq, int level) { @@ -889,7 +889,7 @@ static DeviceState *apic_init(void *env, uint8_t apic_id) DeviceState *dev; static int apic_mapped; - if (kvm_enabled() && kvm_irqchip_in_kernel()) { + if (kvm_irqchip_in_kernel()) { dev = qdev_create(NULL, "kvm-apic"); } else { dev = qdev_create(NULL, "apic"); @@ -908,24 +908,13 @@ static DeviceState *apic_init(void *env, uint8_t apic_id) } /* KVM does not support MSI yet. */ - if (!kvm_enabled() || !kvm_irqchip_in_kernel()) { + if (!kvm_irqchip_in_kernel()) { msi_supported = true; } return dev; } -/* set CMOS shutdown status register (index 0xF) as S3_resume(0xFE) - BIOS will read it and start S3 resume at POST Entry */ -void pc_cmos_set_s3_resume(void *opaque, int irq, int level) -{ - ISADevice *s = opaque; - - if (level) { - rtc_set_memory(s, 0xF, 0xFE); - } -} - void pc_acpi_smi_interrupt(void *opaque, int irq, int level) { CPUState *s = opaque; @@ -987,11 +976,9 @@ 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); @@ -1017,44 +1004,9 @@ 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); @@ -1064,11 +1016,6 @@ 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); @@ -1137,6 +1084,9 @@ void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi, { int i; DriveInfo *fd[MAX_FD]; + DeviceState *hpet = NULL; + int pit_isa_irq = 0; + qemu_irq pit_alt_irq = NULL; qemu_irq rtc_irq = NULL; qemu_irq *a20_line; ISADevice *i8042, *port92, *vmmouse, *pit; @@ -1147,21 +1097,27 @@ void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi, register_ioport_write(0xf0, 1, 1, ioportF0_write, NULL); if (!no_hpet) { - DeviceState *hpet = sysbus_try_create_simple("hpet", HPET_BASE, NULL); + hpet = sysbus_try_create_simple("hpet", HPET_BASE, NULL); if (hpet) { for (i = 0; i < GSI_NUM_PINS; i++) { sysbus_connect_irq(sysbus_from_qdev(hpet), i, gsi[i]); } - rtc_irq = qdev_get_gpio_in(hpet, 0); + pit_isa_irq = -1; + pit_alt_irq = qdev_get_gpio_in(hpet, HPET_LEGACY_PIT_INT); + rtc_irq = qdev_get_gpio_in(hpet, HPET_LEGACY_RTC_INT); } } *rtc_state = rtc_init(isa_bus, 2000, rtc_irq); qemu_register_boot_set(pc_boot_set, *rtc_state); - pit = pit_init(isa_bus, 0x40, 0); - pcspk_init(pit); + pit = pit_init(isa_bus, 0x40, pit_isa_irq, pit_alt_irq); + if (hpet) { + /* connect PIT to output control line of the HPET */ + qdev_connect_gpio_out(hpet, 0, qdev_get_gpio_in(&pit->qdev, 0)); + } + pcspk_init(isa_bus, pit); for(i = 0; i < MAX_SERIAL_PORTS; i++) { if (serial_hds[i]) { |