diff options
Diffstat (limited to 'hw/pc_piix.c')
| -rw-r--r-- | hw/pc_piix.c | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/hw/pc_piix.c b/hw/pc_piix.c new file mode 100644 index 0000000000..52d8591d6a --- /dev/null +++ b/hw/pc_piix.c @@ -0,0 +1,317 @@ +/* + * QEMU PC System Emulator + * + * Copyright (c) 2003-2004 Fabrice Bellard + * + * 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 "hw.h" +#include "pc.h" +#include "apic.h" +#include "pci.h" +#include "usb-uhci.h" +#include "usb-ohci.h" +#include "net.h" +#include "boards.h" +#include "ide.h" +#include "kvm.h" + +#define MAX_IDE_BUS 2 + +static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; +static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; +static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; + +/* PC hardware initialisation */ +static void pc_init1(ram_addr_t ram_size, + const char *boot_device, + const char *kernel_filename, + const char *kernel_cmdline, + const char *initrd_filename, + const char *cpu_model, + int pci_enabled) +{ + int i; + ram_addr_t below_4g_mem_size, above_4g_mem_size; + PCIBus *pci_bus; + PCII440FXState *i440fx_state; + int piix3_devfn = -1; + qemu_irq *cpu_irq; + qemu_irq *isa_irq; + qemu_irq *i8259; + qemu_irq *cmos_s3; + qemu_irq *smi_irq; + IsaIrqState *isa_irq_state; + DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; + FDCtrl *floppy_controller; + RTCState *rtc_state; + + pc_cpus_init(cpu_model); + + vmport_init(); + + /* allocate ram and load rom/bios */ + pc_memory_init(ram_size, kernel_filename, kernel_cmdline, initrd_filename, + &below_4g_mem_size, &above_4g_mem_size); + + cpu_irq = pc_allocate_cpu_irq(); + i8259 = i8259_init(cpu_irq[0]); + isa_irq_state = qemu_mallocz(sizeof(*isa_irq_state)); + isa_irq_state->i8259 = i8259; + if (pci_enabled) { + isa_irq_state->ioapic = ioapic_init(); + } + isa_irq = qemu_allocate_irqs(isa_irq_handler, isa_irq_state, 24); + + if (pci_enabled) { + pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, isa_irq, ram_size); + } else { + pci_bus = NULL; + isa_bus_new(NULL); + } + isa_bus_irqs(isa_irq); + + pc_register_ferr_irq(isa_reserve_irq(13)); + + pc_vga_init(pci_enabled? pci_bus: NULL); + + /* init basic PC hardware */ + pc_basic_device_init(isa_irq, &floppy_controller, &rtc_state); + + for(i = 0; i < nb_nics; i++) { + NICInfo *nd = &nd_table[i]; + + if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0)) + pc_init_ne2k_isa(nd); + else + pci_nic_init_nofail(nd, "e1000", NULL); + } + + if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) { + fprintf(stderr, "qemu: too many IDE bus\n"); + exit(1); + } + + for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) { + hd[i] = drive_get(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS); + } + + if (pci_enabled) { + pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1); + } else { + for(i = 0; i < MAX_IDE_BUS; i++) { + isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i], + hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); + } + } + +#ifdef HAS_AUDIO + pc_audio_init(pci_enabled ? pci_bus : NULL, isa_irq); +#endif + + pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device, hd, + floppy_controller, rtc_state); + + if (pci_enabled && usb_enabled) { + usb_uhci_piix3_init(pci_bus, piix3_devfn + 2); + } + + if (pci_enabled && acpi_enabled) { + uint8_t *eeprom_buf = qemu_mallocz(8 * 256); /* XXX: make this persistent */ + i2c_bus *smbus; + + cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1); + smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1); + /* TODO: Populate SPD eeprom data. */ + smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, + isa_reserve_irq(9), *cmos_s3, *smi_irq, + kvm_enabled()); + for (i = 0; i < 8; i++) { + DeviceState *eeprom; + eeprom = qdev_create((BusState *)smbus, "smbus-eeprom"); + qdev_prop_set_uint8(eeprom, "address", 0x50 + i); + qdev_prop_set_ptr(eeprom, "data", eeprom_buf + (i * 256)); + qdev_init_nofail(eeprom); + } + piix4_acpi_system_hot_add_init(pci_bus); + } + + if (i440fx_state) { + i440fx_init_memory_mappings(i440fx_state); + } + + if (pci_enabled) { + pc_pci_device_init(pci_bus); + } +} + +static void pc_init_pci(ram_addr_t ram_size, + const char *boot_device, + const char *kernel_filename, + const char *kernel_cmdline, + const char *initrd_filename, + const char *cpu_model) +{ + pc_init1(ram_size, boot_device, + kernel_filename, kernel_cmdline, + initrd_filename, cpu_model, 1); +} + +static void pc_init_isa(ram_addr_t ram_size, + const char *boot_device, + const char *kernel_filename, + const char *kernel_cmdline, + const char *initrd_filename, + const char *cpu_model) +{ + if (cpu_model == NULL) + cpu_model = "486"; + pc_init1(ram_size, boot_device, + kernel_filename, kernel_cmdline, + initrd_filename, cpu_model, 0); +} + +static QEMUMachine pc_machine = { + .name = "pc-0.13", + .alias = "pc", + .desc = "Standard PC", + .init = pc_init_pci, + .max_cpus = 255, + .is_default = 1, +}; + +static QEMUMachine pc_machine_v0_12 = { + .name = "pc-0.12", + .desc = "Standard PC", + .init = pc_init_pci, + .max_cpus = 255, + .compat_props = (GlobalProperty[]) { + { + .driver = "virtio-serial-pci", + .property = "max_nr_ports", + .value = stringify(1), + },{ + .driver = "virtio-serial-pci", + .property = "vectors", + .value = stringify(0), + }, + { /* end of list */ } + } +}; + +static QEMUMachine pc_machine_v0_11 = { + .name = "pc-0.11", + .desc = "Standard PC, qemu 0.11", + .init = pc_init_pci, + .max_cpus = 255, + .compat_props = (GlobalProperty[]) { + { + .driver = "virtio-blk-pci", + .property = "vectors", + .value = stringify(0), + },{ + .driver = "virtio-serial-pci", + .property = "max_nr_ports", + .value = stringify(1), + },{ + .driver = "virtio-serial-pci", + .property = "vectors", + .value = stringify(0), + },{ + .driver = "ide-drive", + .property = "ver", + .value = "0.11", + },{ + .driver = "scsi-disk", + .property = "ver", + .value = "0.11", + },{ + .driver = "PCI", + .property = "rombar", + .value = stringify(0), + }, + { /* end of list */ } + } +}; + +static QEMUMachine pc_machine_v0_10 = { + .name = "pc-0.10", + .desc = "Standard PC, qemu 0.10", + .init = pc_init_pci, + .max_cpus = 255, + .compat_props = (GlobalProperty[]) { + { + .driver = "virtio-blk-pci", + .property = "class", + .value = stringify(PCI_CLASS_STORAGE_OTHER), + },{ + .driver = "virtio-serial-pci", + .property = "class", + .value = stringify(PCI_CLASS_DISPLAY_OTHER), + },{ + .driver = "virtio-serial-pci", + .property = "max_nr_ports", + .value = stringify(1), + },{ + .driver = "virtio-serial-pci", + .property = "vectors", + .value = stringify(0), + },{ + .driver = "virtio-net-pci", + .property = "vectors", + .value = stringify(0), + },{ + .driver = "virtio-blk-pci", + .property = "vectors", + .value = stringify(0), + },{ + .driver = "ide-drive", + .property = "ver", + .value = "0.10", + },{ + .driver = "scsi-disk", + .property = "ver", + .value = "0.10", + },{ + .driver = "PCI", + .property = "rombar", + .value = stringify(0), + }, + { /* end of list */ } + }, +}; + +static QEMUMachine isapc_machine = { + .name = "isapc", + .desc = "ISA-only PC", + .init = pc_init_isa, + .max_cpus = 1, +}; + +static void pc_machine_init(void) +{ + qemu_register_machine(&pc_machine); + qemu_register_machine(&pc_machine_v0_12); + qemu_register_machine(&pc_machine_v0_11); + qemu_register_machine(&pc_machine_v0_10); + qemu_register_machine(&isapc_machine); +} + +machine_init(pc_machine_init); |