diff options
Diffstat (limited to 'hw/pc_piix.c')
| -rw-r--r-- | hw/pc_piix.c | 71 |
1 files changed, 64 insertions, 7 deletions
diff --git a/hw/pc_piix.c b/hw/pc_piix.c index a85214b..9a22a8a 100644 --- a/hw/pc_piix.c +++ b/hw/pc_piix.c @@ -38,6 +38,10 @@ #include "arch_init.h" #include "blockdev.h" #include "smbus.h" +#include "xen.h" +#ifdef CONFIG_XEN +# include <xen/hvm/hvm_info_table.h> +#endif #define MAX_IDE_BUS 2 @@ -92,12 +96,26 @@ static void pc_init1(ram_addr_t ram_size, kvmclock_create(); } + if (ram_size >= 0xe0000000 ) { + above_4g_mem_size = ram_size - 0xe0000000; + below_4g_mem_size = 0xe0000000; + } else { + above_4g_mem_size = 0; + below_4g_mem_size = ram_size; + } + /* 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); + if (!xen_enabled()) { + pc_memory_init(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]); + if (!xen_enabled()) { + cpu_irq = pc_allocate_cpu_irq(); + i8259 = i8259_init(cpu_irq[0]); + } else { + i8259 = xen_interrupt_controller_init(); + } isa_irq_state = qemu_mallocz(sizeof(*isa_irq_state)); isa_irq_state->i8259 = i8259; if (pci_enabled) { @@ -106,7 +124,11 @@ static void pc_init1(ram_addr_t ram_size, 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); + if (!xen_enabled()) { + pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, isa_irq, ram_size); + } else { + pci_bus = i440fx_xen_init(&i440fx_state, &piix3_devfn, isa_irq, ram_size); + } } else { pci_bus = NULL; i440fx_state = NULL; @@ -119,7 +141,7 @@ static void pc_init1(ram_addr_t ram_size, pc_vga_init(pci_enabled? pci_bus: NULL); /* init basic PC hardware */ - pc_basic_device_init(isa_irq, &rtc_state); + pc_basic_device_init(isa_irq, &rtc_state, xen_enabled()); for(i = 0; i < nb_nics; i++) { NICInfo *nd = &nd_table[i]; @@ -157,7 +179,11 @@ static void pc_init1(ram_addr_t ram_size, if (pci_enabled && acpi_enabled) { i2c_bus *smbus; - cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1); + if (!xen_enabled()) { + cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1); + } else { + cmos_s3 = qemu_allocate_irqs(xen_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, @@ -213,6 +239,24 @@ static void pc_init_isa(ram_addr_t ram_size, initrd_filename, cpu_model, 0, 1); } +#ifdef CONFIG_XEN +static void pc_xen_hvm_init(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 (xen_hvm_init() != 0) { + hw_error("xen hardware virtual machine initialisation failed"); + } + pc_init_pci_no_kvmclock(ram_size, boot_device, + kernel_filename, kernel_cmdline, + initrd_filename, cpu_model); + xen_vcpu_init(); +} +#endif + static QEMUMachine pc_machine = { .name = "pc-0.14", .alias = "pc", @@ -377,6 +421,16 @@ static QEMUMachine isapc_machine = { .max_cpus = 1, }; +#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 + static void pc_machine_init(void) { qemu_register_machine(&pc_machine); @@ -385,6 +439,9 @@ static void pc_machine_init(void) qemu_register_machine(&pc_machine_v0_11); qemu_register_machine(&pc_machine_v0_10); qemu_register_machine(&isapc_machine); +#ifdef CONFIG_XEN + qemu_register_machine(&xenfv_machine); +#endif } machine_init(pc_machine_init); |