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/*
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 * QEMU PC System Emulator
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 *
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 * Copyright (c) 2003-2004 Fabrice Bellard
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * in the Software without restriction, including without limitation the rights
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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 * copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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 * THE SOFTWARE.
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 */
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#include <glib.h>
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#include "hw.h"
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#include "pc.h"
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#include "apic.h"
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#include "pci.h"
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#include "usb-uhci.h"
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#include "usb-ohci.h"
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#include "net.h"
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#include "boards.h"
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#include "ide.h"
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#include "kvm.h"
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#include "kvmclock.h"
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#include "sysemu.h"
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#include "sysbus.h"
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#include "arch_init.h"
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#include "blockdev.h"
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#include "smbus.h"
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#include "xen.h"
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#include "memory.h"
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#include "exec-memory.h"
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#ifdef CONFIG_XEN
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#  include <xen/hvm/hvm_info_table.h>
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#endif
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#define MAX_IDE_BUS 2
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static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
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static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
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static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
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static void ioapic_init(IsaIrqState *isa_irq_state)
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{
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    DeviceState *dev;
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    SysBusDevice *d;
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    unsigned int i;
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    dev = qdev_create(NULL, "ioapic");
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    qdev_init_nofail(dev);
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    d = sysbus_from_qdev(dev);
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    sysbus_mmio_map(d, 0, 0xfec00000);
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    for (i = 0; i < IOAPIC_NUM_PINS; i++) {
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        isa_irq_state->ioapic[i] = qdev_get_gpio_in(dev, i);
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    }
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}
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/* PC hardware initialisation */
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static void pc_init1(MemoryRegion *system_memory,
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                     MemoryRegion *system_io,
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                     ram_addr_t ram_size,
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                     const char *boot_device,
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                     const char *kernel_filename,
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                     const char *kernel_cmdline,
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                     const char *initrd_filename,
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                     const char *cpu_model,
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                     int pci_enabled,
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                     int kvmclock_enabled)
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{
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    int i;
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    ram_addr_t below_4g_mem_size, above_4g_mem_size;
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    PCIBus *pci_bus;
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    PCII440FXState *i440fx_state;
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    int piix3_devfn = -1;
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    qemu_irq *cpu_irq;
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    qemu_irq *isa_irq;
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    qemu_irq *i8259;
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    qemu_irq *cmos_s3;
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    qemu_irq *smi_irq;
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    IsaIrqState *isa_irq_state;
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    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
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    BusState *idebus[MAX_IDE_BUS];
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    ISADevice *rtc_state;
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    MemoryRegion *ram_memory;
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    MemoryRegion *pci_memory;
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    MemoryRegion *rom_memory;
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    pc_cpus_init(cpu_model);
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    if (kvmclock_enabled) {
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        kvmclock_create();
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    }
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    if (ram_size >= 0xe0000000 ) {
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        above_4g_mem_size = ram_size - 0xe0000000;
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        below_4g_mem_size = 0xe0000000;
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    } else {
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        above_4g_mem_size = 0;
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        below_4g_mem_size = ram_size;
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    }
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    if (pci_enabled) {
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        pci_memory = g_new(MemoryRegion, 1);
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        memory_region_init(pci_memory, "pci", INT64_MAX);
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        rom_memory = pci_memory;
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    } else {
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        pci_memory = NULL;
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        rom_memory = system_memory;
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    }
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    /* allocate ram and load rom/bios */
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    if (!xen_enabled()) {
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        pc_memory_init(system_memory,
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                       kernel_filename, kernel_cmdline, initrd_filename,
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                       below_4g_mem_size, above_4g_mem_size,
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                       pci_enabled ? rom_memory : system_memory, &ram_memory);
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    }
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    isa_irq_state = g_malloc0(sizeof(*isa_irq_state));
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    isa_irq = qemu_allocate_irqs(isa_irq_handler, isa_irq_state, 24);
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    if (pci_enabled) {
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        pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, isa_irq,
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                              system_memory, system_io, ram_size,
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                              below_4g_mem_size,
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                              0x100000000ULL - below_4g_mem_size,
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                              0x100000000ULL + above_4g_mem_size,
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                              (sizeof(target_phys_addr_t) == 4
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                               ? 0
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                               : ((uint64_t)1 << 62)),
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                              pci_memory, ram_memory);
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    } else {
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        pci_bus = NULL;
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        i440fx_state = NULL;
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        isa_bus_new(NULL, system_io);
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        no_hpet = 1;
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    }
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    isa_bus_irqs(isa_irq);
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    if (!xen_enabled()) {
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        cpu_irq = pc_allocate_cpu_irq();
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        i8259 = i8259_init(cpu_irq[0]);
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    } else {
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        i8259 = xen_interrupt_controller_init();
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    }
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    isa_irq_state->i8259 = i8259;
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    if (pci_enabled) {
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        ioapic_init(isa_irq_state);
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    }
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    pc_register_ferr_irq(isa_get_irq(13));
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    pc_vga_init(pci_enabled? pci_bus: NULL);
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    if (xen_enabled()) {
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        pci_create_simple(pci_bus, -1, "xen-platform");
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    }
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    /* init basic PC hardware */
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    pc_basic_device_init(isa_irq, &rtc_state, xen_enabled());
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    for(i = 0; i < nb_nics; i++) {
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        NICInfo *nd = &nd_table[i];
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        if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
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            pc_init_ne2k_isa(nd);
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        else
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            pci_nic_init_nofail(nd, "e1000", NULL);
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    }
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    ide_drive_get(hd, MAX_IDE_BUS);
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    if (pci_enabled) {
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        PCIDevice *dev;
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        if (xen_enabled()) {
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            dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
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        } else {
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            dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
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        }
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        idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
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        idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
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    } else {
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        for(i = 0; i < MAX_IDE_BUS; i++) {
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            ISADevice *dev;
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            dev = isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i],
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                               hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
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            idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
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        }
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    }
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    audio_init(isa_irq, pci_enabled ? pci_bus : NULL);
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    pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
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                 idebus[0], idebus[1], rtc_state);
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    if (pci_enabled && usb_enabled) {
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        usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
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    }
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    if (pci_enabled && acpi_enabled) {
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        i2c_bus *smbus;
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        if (!xen_enabled()) {
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            cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1);
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        } else {
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            cmos_s3 = qemu_allocate_irqs(xen_cmos_set_s3_resume, rtc_state, 1);
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        }
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        smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
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        /* TODO: Populate SPD eeprom data.  */
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        smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
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                              isa_get_irq(9), *cmos_s3, *smi_irq,
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                              kvm_enabled());
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        smbus_eeprom_init(smbus, 8, NULL, 0);
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    }
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230
    if (pci_enabled) {
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        pc_pci_device_init(pci_bus);
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    }
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}
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235
static void pc_init_pci(ram_addr_t ram_size,
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                        const char *boot_device,
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                        const char *kernel_filename,
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                        const char *kernel_cmdline,
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                        const char *initrd_filename,
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                        const char *cpu_model)
241
{
242
    pc_init1(get_system_memory(),
243
             get_system_io(),
244
             ram_size, boot_device,
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             kernel_filename, kernel_cmdline,
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             initrd_filename, cpu_model, 1, 1);
247
}
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249
static void pc_init_pci_no_kvmclock(ram_addr_t ram_size,
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                                    const char *boot_device,
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                                    const char *kernel_filename,
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                                    const char *kernel_cmdline,
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                                    const char *initrd_filename,
254
                                    const char *cpu_model)
255
{
256
    pc_init1(get_system_memory(),
257
             get_system_io(),
258
             ram_size, boot_device,
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             kernel_filename, kernel_cmdline,
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             initrd_filename, cpu_model, 1, 0);
261
}
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263
static void pc_init_isa(ram_addr_t ram_size,
264
                        const char *boot_device,
265
                        const char *kernel_filename,
266
                        const char *kernel_cmdline,
267
                        const char *initrd_filename,
268
                        const char *cpu_model)
269
{
270
    if (cpu_model == NULL)
271
        cpu_model = "486";
272
    pc_init1(get_system_memory(),
273
             get_system_io(),
274
             ram_size, boot_device,
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             kernel_filename, kernel_cmdline,
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             initrd_filename, cpu_model, 0, 1);
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}
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279
#ifdef CONFIG_XEN
280
static void pc_xen_hvm_init(ram_addr_t ram_size,
281
                            const char *boot_device,
282
                            const char *kernel_filename,
283
                            const char *kernel_cmdline,
284
                            const char *initrd_filename,
285
                            const char *cpu_model)
286
{
287
    if (xen_hvm_init() != 0) {
288
        hw_error("xen hardware virtual machine initialisation failed");
289
    }
290
    pc_init_pci_no_kvmclock(ram_size, boot_device,
291
                            kernel_filename, kernel_cmdline,
292
                            initrd_filename, cpu_model);
293
    xen_vcpu_init();
294
}
295
#endif
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297
static QEMUMachine pc_machine = {
298
    .name = "pc-0.14",
299
    .alias = "pc",
300
    .desc = "Standard PC",
301
    .init = pc_init_pci,
302
    .max_cpus = 255,
303
    .is_default = 1,
304
};
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306
static QEMUMachine pc_machine_v0_13 = {
307
    .name = "pc-0.13",
308
    .desc = "Standard PC",
309
    .init = pc_init_pci_no_kvmclock,
310
    .max_cpus = 255,
311
    .compat_props = (GlobalProperty[]) {
312
        {
313
            .driver   = "virtio-9p-pci",
314
            .property = "vectors",
315
            .value    = stringify(0),
316
        },{
317
            .driver   = "VGA",
318
            .property = "rombar",
319
            .value    = stringify(0),
320
        },{
321
            .driver   = "vmware-svga",
322
            .property = "rombar",
323
            .value    = stringify(0),
324
        },{
325
            .driver   = "PCI",
326
            .property = "command_serr_enable",
327
            .value    = "off",
328
        },{
329
            .driver   = "virtio-blk-pci",
330
            .property = "event_idx",
331
            .value    = "off",
332
        },{
333
            .driver   = "virtio-serial-pci",
334
            .property = "event_idx",
335
            .value    = "off",
336
        },{
337
            .driver   = "virtio-net-pci",
338
            .property = "event_idx",
339
            .value    = "off",
340
        },
341
        { /* end of list */ }
342
    },
343
};
344

    
345
static QEMUMachine pc_machine_v0_12 = {
346
    .name = "pc-0.12",
347
    .desc = "Standard PC",
348
    .init = pc_init_pci_no_kvmclock,
349
    .max_cpus = 255,
350
    .compat_props = (GlobalProperty[]) {
351
        {
352
            .driver   = "virtio-serial-pci",
353
            .property = "max_ports",
354
            .value    = stringify(1),
355
        },{
356
            .driver   = "virtio-serial-pci",
357
            .property = "vectors",
358
            .value    = stringify(0),
359
        },{
360
            .driver   = "VGA",
361
            .property = "rombar",
362
            .value    = stringify(0),
363
        },{
364
            .driver   = "vmware-svga",
365
            .property = "rombar",
366
            .value    = stringify(0),
367
        },{
368
            .driver   = "PCI",
369
            .property = "command_serr_enable",
370
            .value    = "off",
371
        },{
372
            .driver   = "virtio-blk-pci",
373
            .property = "event_idx",
374
            .value    = "off",
375
        },{
376
            .driver   = "virtio-serial-pci",
377
            .property = "event_idx",
378
            .value    = "off",
379
        },{
380
            .driver   = "virtio-net-pci",
381
            .property = "event_idx",
382
            .value    = "off",
383
        },
384
        { /* end of list */ }
385
    }
386
};
387

    
388
static QEMUMachine pc_machine_v0_11 = {
389
    .name = "pc-0.11",
390
    .desc = "Standard PC, qemu 0.11",
391
    .init = pc_init_pci_no_kvmclock,
392
    .max_cpus = 255,
393
    .compat_props = (GlobalProperty[]) {
394
        {
395
            .driver   = "virtio-blk-pci",
396
            .property = "vectors",
397
            .value    = stringify(0),
398
        },{
399
            .driver   = "virtio-serial-pci",
400
            .property = "max_ports",
401
            .value    = stringify(1),
402
        },{
403
            .driver   = "virtio-serial-pci",
404
            .property = "vectors",
405
            .value    = stringify(0),
406
        },{
407
            .driver   = "ide-drive",
408
            .property = "ver",
409
            .value    = "0.11",
410
        },{
411
            .driver   = "scsi-disk",
412
            .property = "ver",
413
            .value    = "0.11",
414
        },{
415
            .driver   = "PCI",
416
            .property = "rombar",
417
            .value    = stringify(0),
418
        },{
419
            .driver   = "PCI",
420
            .property = "command_serr_enable",
421
            .value    = "off",
422
        },{
423
            .driver   = "virtio-blk-pci",
424
            .property = "event_idx",
425
            .value    = "off",
426
        },{
427
            .driver   = "virtio-serial-pci",
428
            .property = "event_idx",
429
            .value    = "off",
430
        },{
431
            .driver   = "virtio-net-pci",
432
            .property = "event_idx",
433
            .value    = "off",
434
        },
435
        { /* end of list */ }
436
    }
437
};
438

    
439
static QEMUMachine pc_machine_v0_10 = {
440
    .name = "pc-0.10",
441
    .desc = "Standard PC, qemu 0.10",
442
    .init = pc_init_pci_no_kvmclock,
443
    .max_cpus = 255,
444
    .compat_props = (GlobalProperty[]) {
445
        {
446
            .driver   = "virtio-blk-pci",
447
            .property = "class",
448
            .value    = stringify(PCI_CLASS_STORAGE_OTHER),
449
        },{
450
            .driver   = "virtio-serial-pci",
451
            .property = "class",
452
            .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
453
        },{
454
            .driver   = "virtio-serial-pci",
455
            .property = "max_ports",
456
            .value    = stringify(1),
457
        },{
458
            .driver   = "virtio-serial-pci",
459
            .property = "vectors",
460
            .value    = stringify(0),
461
        },{
462
            .driver   = "virtio-net-pci",
463
            .property = "vectors",
464
            .value    = stringify(0),
465
        },{
466
            .driver   = "virtio-blk-pci",
467
            .property = "vectors",
468
            .value    = stringify(0),
469
        },{
470
            .driver   = "ide-drive",
471
            .property = "ver",
472
            .value    = "0.10",
473
        },{
474
            .driver   = "scsi-disk",
475
            .property = "ver",
476
            .value    = "0.10",
477
        },{
478
            .driver   = "PCI",
479
            .property = "rombar",
480
            .value    = stringify(0),
481
        },{
482
            .driver   = "PCI",
483
            .property = "command_serr_enable",
484
            .value    = "off",
485
        },{
486
            .driver   = "virtio-blk-pci",
487
            .property = "event_idx",
488
            .value    = "off",
489
        },{
490
            .driver   = "virtio-serial-pci",
491
            .property = "event_idx",
492
            .value    = "off",
493
        },{
494
            .driver   = "virtio-net-pci",
495
            .property = "event_idx",
496
            .value    = "off",
497
        },
498
        { /* end of list */ }
499
    },
500
};
501

    
502
static QEMUMachine isapc_machine = {
503
    .name = "isapc",
504
    .desc = "ISA-only PC",
505
    .init = pc_init_isa,
506
    .max_cpus = 1,
507
};
508

    
509
#ifdef CONFIG_XEN
510
static QEMUMachine xenfv_machine = {
511
    .name = "xenfv",
512
    .desc = "Xen Fully-virtualized PC",
513
    .init = pc_xen_hvm_init,
514
    .max_cpus = HVM_MAX_VCPUS,
515
    .default_machine_opts = "accel=xen",
516
};
517
#endif
518

    
519
static void pc_machine_init(void)
520
{
521
    qemu_register_machine(&pc_machine);
522
    qemu_register_machine(&pc_machine_v0_13);
523
    qemu_register_machine(&pc_machine_v0_12);
524
    qemu_register_machine(&pc_machine_v0_11);
525
    qemu_register_machine(&pc_machine_v0_10);
526
    qemu_register_machine(&isapc_machine);
527
#ifdef CONFIG_XEN
528
    qemu_register_machine(&xenfv_machine);
529
#endif
530
}
531

    
532
machine_init(pc_machine_init);