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-rw-r--r--hw/pc_piix.c317
1 files changed, 317 insertions, 0 deletions
diff --git a/hw/pc_piix.c b/hw/pc_piix.c
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--- /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);
generated by cgit v1.1 at 2024-12-28 05:43:35 +0000