2010-05-14 09:29:15 +02:00
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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 "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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2011-02-07 12:19:26 +01:00
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#include "kvmclock.h"
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2010-06-02 18:48:27 +02:00
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#include "sysemu.h"
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2010-06-19 09:41:43 +02:00
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#include "sysbus.h"
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2011-01-21 11:53:45 +01:00
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#include "arch_init.h"
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2010-08-24 17:22:24 +02:00
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#include "blockdev.h"
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2011-04-05 04:07:06 +02:00
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#include "smbus.h"
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2010-06-30 13:58:34 +02:00
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#include "xen.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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2010-05-14 09:29:15 +02:00
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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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2010-06-19 09:41:43 +02:00
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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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2010-05-14 09:29:15 +02:00
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/* PC hardware initialisation */
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static void pc_init1(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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2011-02-07 12:19:26 +01:00
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int pci_enabled,
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int kvmclock_enabled)
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2010-05-14 09:29:15 +02:00
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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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2010-06-24 19:58:20 +02:00
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BusState *idebus[MAX_IDE_BUS];
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2010-05-14 09:29:17 +02:00
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ISADevice *rtc_state;
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2010-05-14 09:29:15 +02:00
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pc_cpus_init(cpu_model);
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2011-02-07 12:19:26 +01:00
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if (kvmclock_enabled) {
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kvmclock_create();
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}
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2011-04-11 20:48:11 +02:00
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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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2010-05-14 09:29:15 +02:00
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/* allocate ram and load rom/bios */
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2010-06-30 13:58:34 +02:00
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if (!xen_enabled()) {
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pc_memory_init(kernel_filename, kernel_cmdline, initrd_filename,
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below_4g_mem_size, above_4g_mem_size);
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}
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2010-05-14 09:29:15 +02:00
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2010-06-30 18:50:10 +02:00
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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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2010-05-14 09:29:15 +02:00
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isa_irq_state = qemu_mallocz(sizeof(*isa_irq_state));
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isa_irq_state->i8259 = i8259;
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if (pci_enabled) {
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2010-06-19 09:41:43 +02:00
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ioapic_init(isa_irq_state);
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2010-05-14 09:29:15 +02:00
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}
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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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2010-07-16 15:55:39 +02:00
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if (!xen_enabled()) {
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pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, isa_irq, ram_size);
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} else {
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pci_bus = i440fx_xen_init(&i440fx_state, &piix3_devfn, isa_irq, ram_size);
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}
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2010-05-14 09:29:15 +02:00
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} else {
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pci_bus = NULL;
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isapc: fix segfault.
https://bugs.launchpad.net/bugs/611646
reports that ./i386-softmmu/qemu -M isapc segfaults.
This patch fixes the segfault introduced by
f885f1eaa8711c06033ceb1599e3750fb37c306f
It's because i440fx_state in pc_init1() isn't initialized.
> Core was generated by `./i386-softmmu/qemu -M isapc'.
> Program terminated with signal 11, Segmentation fault.
> [New process 19686]
> at qemu/hw/piix_pci.c:136
> (gdb) where
> at qemu/hw/piix_pci.c:136
> boot_device=0x7fffe1f5b040 "cad", kernel_filename=0x0,
> kernel_cmdline=0x6469bf "", initrd_filename=0x0,
> cpu_model=0x654d10 "486", pci_enabled=0)
> at qemu/hw/pc_piix.c:178
> boot_device=0x7fffe1f5b040 "cad", kernel_filename=0x0,
> kernel_cmdline=0x6469bf "", initrd_filename=0x0, cpu_model=0x654d10 "486")
> at qemu/hw/pc_piix.c:207
> envp=0x7fffe1f5b188)
> at qemu/vl.c:2871
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-08-04 10:43:20 +02:00
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i440fx_state = NULL;
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2010-05-14 09:29:15 +02:00
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isa_bus_new(NULL);
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}
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isa_bus_irqs(isa_irq);
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2011-02-19 18:56:22 +01:00
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pc_register_ferr_irq(isa_get_irq(13));
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2010-05-14 09:29:15 +02:00
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pc_vga_init(pci_enabled? pci_bus: NULL);
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/* init basic PC hardware */
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2011-05-03 18:06:54 +02:00
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pc_basic_device_init(isa_irq, &rtc_state, xen_enabled());
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2010-05-14 09:29:15 +02:00
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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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2011-04-03 13:32:46 +02:00
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ide_drive_get(hd, MAX_IDE_BUS);
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2010-05-14 09:29:15 +02:00
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if (pci_enabled) {
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2010-06-24 19:58:20 +02:00
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PCIDevice *dev;
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dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
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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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2010-05-14 09:29:15 +02:00
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} else {
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for(i = 0; i < MAX_IDE_BUS; i++) {
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2010-06-24 19:58:20 +02:00
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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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2010-05-14 09:29:15 +02:00
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}
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}
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2011-01-21 11:53:45 +01:00
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audio_init(isa_irq, pci_enabled ? pci_bus : NULL);
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2010-05-14 09:29:15 +02:00
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2010-06-24 19:58:20 +02:00
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pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
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2011-02-05 17:32:23 +01:00
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idebus[0], idebus[1], rtc_state);
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2010-05-14 09:29:15 +02:00
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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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2010-10-05 17:40:22 +02:00
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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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2010-05-14 09:29:15 +02:00
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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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2011-02-19 18:56:22 +01:00
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isa_get_irq(9), *cmos_s3, *smi_irq,
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2010-05-14 09:29:15 +02:00
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kvm_enabled());
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2011-04-05 04:07:06 +02:00
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smbus_eeprom_init(smbus, 8, NULL, 0);
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2010-05-14 09:29:15 +02:00
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}
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if (i440fx_state) {
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i440fx_init_memory_mappings(i440fx_state);
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}
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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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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)
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{
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pc_init1(ram_size, boot_device,
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kernel_filename, kernel_cmdline,
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2011-02-07 12:19:26 +01:00
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initrd_filename, cpu_model, 1, 1);
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}
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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,
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const char *cpu_model)
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{
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pc_init1(ram_size, boot_device,
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kernel_filename, kernel_cmdline,
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initrd_filename, cpu_model, 1, 0);
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2010-05-14 09:29:15 +02:00
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}
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static void pc_init_isa(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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{
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if (cpu_model == NULL)
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cpu_model = "486";
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pc_init1(ram_size, boot_device,
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kernel_filename, kernel_cmdline,
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2011-02-07 12:19:26 +01:00
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initrd_filename, cpu_model, 0, 1);
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2010-05-14 09:29:15 +02:00
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}
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2010-06-30 13:58:34 +02:00
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#ifdef CONFIG_XEN
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static void pc_xen_hvm_init(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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{
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if (xen_hvm_init() != 0) {
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hw_error("xen hardware virtual machine initialisation failed");
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}
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pc_init_pci_no_kvmclock(ram_size, boot_device,
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kernel_filename, kernel_cmdline,
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initrd_filename, cpu_model);
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xen_vcpu_init();
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}
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#endif
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2010-05-14 09:29:15 +02:00
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static QEMUMachine pc_machine = {
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2010-11-11 12:59:25 +01:00
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.name = "pc-0.14",
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2010-05-14 09:29:15 +02:00
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.alias = "pc",
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.desc = "Standard PC",
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.init = pc_init_pci,
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.max_cpus = 255,
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.is_default = 1,
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};
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2010-11-11 12:59:25 +01:00
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static QEMUMachine pc_machine_v0_13 = {
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.name = "pc-0.13",
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.desc = "Standard PC",
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2011-02-07 12:19:26 +01:00
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.init = pc_init_pci_no_kvmclock,
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2010-11-11 12:59:25 +01:00
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.max_cpus = 255,
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2010-11-11 12:59:26 +01:00
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.compat_props = (GlobalProperty[]) {
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{
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.driver = "virtio-9p-pci",
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.property = "vectors",
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.value = stringify(0),
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2010-11-17 12:06:44 +01:00
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},{
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.driver = "VGA",
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.property = "rombar",
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.value = stringify(0),
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},{
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.driver = "vmware-svga",
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.property = "rombar",
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.value = stringify(0),
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2010-12-22 07:13:43 +01:00
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},{
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.driver = "PCI",
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.property = "command_serr_enable",
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.value = "off",
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2010-11-11 12:59:26 +01:00
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},
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{ /* end of list */ }
|
|
|
|
},
|
2010-11-11 12:59:25 +01:00
|
|
|
};
|
|
|
|
|
2010-05-14 09:29:15 +02:00
|
|
|
static QEMUMachine pc_machine_v0_12 = {
|
|
|
|
.name = "pc-0.12",
|
|
|
|
.desc = "Standard PC",
|
2011-02-07 12:19:26 +01:00
|
|
|
.init = pc_init_pci_no_kvmclock,
|
2010-05-14 09:29:15 +02:00
|
|
|
.max_cpus = 255,
|
|
|
|
.compat_props = (GlobalProperty[]) {
|
|
|
|
{
|
|
|
|
.driver = "virtio-serial-pci",
|
2010-06-23 19:19:20 +02:00
|
|
|
.property = "max_ports",
|
2010-05-14 09:29:15 +02:00
|
|
|
.value = stringify(1),
|
|
|
|
},{
|
|
|
|
.driver = "virtio-serial-pci",
|
|
|
|
.property = "vectors",
|
|
|
|
.value = stringify(0),
|
2010-11-17 12:06:44 +01:00
|
|
|
},{
|
|
|
|
.driver = "VGA",
|
|
|
|
.property = "rombar",
|
|
|
|
.value = stringify(0),
|
|
|
|
},{
|
|
|
|
.driver = "vmware-svga",
|
|
|
|
.property = "rombar",
|
|
|
|
.value = stringify(0),
|
2010-11-26 13:01:41 +01:00
|
|
|
},{
|
|
|
|
.driver = "PCI",
|
|
|
|
.property = "command_serr_enable",
|
|
|
|
.value = "off",
|
2010-05-14 09:29:15 +02:00
|
|
|
},
|
|
|
|
{ /* end of list */ }
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
static QEMUMachine pc_machine_v0_11 = {
|
|
|
|
.name = "pc-0.11",
|
|
|
|
.desc = "Standard PC, qemu 0.11",
|
2011-02-07 12:19:26 +01:00
|
|
|
.init = pc_init_pci_no_kvmclock,
|
2010-05-14 09:29:15 +02:00
|
|
|
.max_cpus = 255,
|
|
|
|
.compat_props = (GlobalProperty[]) {
|
|
|
|
{
|
|
|
|
.driver = "virtio-blk-pci",
|
|
|
|
.property = "vectors",
|
|
|
|
.value = stringify(0),
|
|
|
|
},{
|
|
|
|
.driver = "virtio-serial-pci",
|
2010-06-23 19:19:20 +02:00
|
|
|
.property = "max_ports",
|
2010-05-14 09:29:15 +02:00
|
|
|
.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),
|
2010-11-26 13:01:41 +01:00
|
|
|
},{
|
|
|
|
.driver = "PCI",
|
|
|
|
.property = "command_serr_enable",
|
|
|
|
.value = "off",
|
2010-05-14 09:29:15 +02:00
|
|
|
},
|
|
|
|
{ /* end of list */ }
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
static QEMUMachine pc_machine_v0_10 = {
|
|
|
|
.name = "pc-0.10",
|
|
|
|
.desc = "Standard PC, qemu 0.10",
|
2011-02-07 12:19:26 +01:00
|
|
|
.init = pc_init_pci_no_kvmclock,
|
2010-05-14 09:29:15 +02:00
|
|
|
.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",
|
2010-06-23 19:19:20 +02:00
|
|
|
.property = "max_ports",
|
2010-05-14 09:29:15 +02:00
|
|
|
.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),
|
2010-11-26 13:01:41 +01:00
|
|
|
},{
|
|
|
|
.driver = "PCI",
|
|
|
|
.property = "command_serr_enable",
|
|
|
|
.value = "off",
|
2010-05-14 09:29:15 +02:00
|
|
|
},
|
|
|
|
{ /* end of list */ }
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
static QEMUMachine isapc_machine = {
|
|
|
|
.name = "isapc",
|
|
|
|
.desc = "ISA-only PC",
|
|
|
|
.init = pc_init_isa,
|
|
|
|
.max_cpus = 1,
|
|
|
|
};
|
|
|
|
|
2010-06-30 13:58:34 +02:00
|
|
|
#ifdef CONFIG_XEN
|
|
|
|
static QEMUMachine xenfv_machine = {
|
|
|
|
.name = "xenfv",
|
|
|
|
.desc = "Xen Fully-virtualized PC",
|
|
|
|
.init = pc_xen_hvm_init,
|
|
|
|
.max_cpus = HVM_MAX_VCPUS,
|
|
|
|
.default_machine_opts = "accel=xen",
|
|
|
|
};
|
|
|
|
#endif
|
|
|
|
|
2010-05-14 09:29:15 +02:00
|
|
|
static void pc_machine_init(void)
|
|
|
|
{
|
|
|
|
qemu_register_machine(&pc_machine);
|
2010-11-11 12:59:25 +01:00
|
|
|
qemu_register_machine(&pc_machine_v0_13);
|
2010-05-14 09:29:15 +02:00
|
|
|
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);
|
2010-06-30 13:58:34 +02:00
|
|
|
#ifdef CONFIG_XEN
|
|
|
|
qemu_register_machine(&xenfv_machine);
|
|
|
|
#endif
|
2010-05-14 09:29:15 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
machine_init(pc_machine_init);
|