1790 lines
59 KiB
C
1790 lines
59 KiB
C
/*
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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 "qemu/osdep.h"
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#include "qemu/units.h"
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#include "hw/i386/x86.h"
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#include "hw/i386/pc.h"
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#include "hw/char/serial.h"
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#include "hw/char/parallel.h"
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#include "hw/i386/apic.h"
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#include "hw/i386/topology.h"
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#include "hw/i386/fw_cfg.h"
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#include "hw/i386/vmport.h"
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#include "sysemu/cpus.h"
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#include "hw/block/fdc.h"
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#include "hw/ide.h"
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#include "hw/pci/pci.h"
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#include "hw/pci/pci_bus.h"
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#include "hw/nvram/fw_cfg.h"
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#include "hw/timer/hpet.h"
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#include "hw/firmware/smbios.h"
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#include "hw/loader.h"
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#include "elf.h"
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#include "migration/vmstate.h"
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#include "multiboot.h"
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#include "hw/rtc/mc146818rtc.h"
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#include "hw/intc/i8259.h"
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#include "hw/dma/i8257.h"
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#include "hw/timer/i8254.h"
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#include "hw/input/i8042.h"
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#include "hw/irq.h"
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#include "hw/audio/pcspk.h"
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#include "hw/pci/msi.h"
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#include "hw/sysbus.h"
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#include "sysemu/sysemu.h"
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#include "sysemu/tcg.h"
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#include "sysemu/numa.h"
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#include "sysemu/kvm.h"
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#include "sysemu/xen.h"
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#include "sysemu/reset.h"
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#include "sysemu/runstate.h"
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#include "kvm/kvm_i386.h"
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#include "hw/xen/xen.h"
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#include "hw/xen/start_info.h"
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#include "ui/qemu-spice.h"
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#include "exec/memory.h"
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#include "qemu/bitmap.h"
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#include "qemu/config-file.h"
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#include "qemu/error-report.h"
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#include "qemu/option.h"
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#include "qemu/cutils.h"
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#include "hw/acpi/acpi.h"
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#include "hw/acpi/cpu_hotplug.h"
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#include "acpi-build.h"
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#include "hw/mem/pc-dimm.h"
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#include "hw/mem/nvdimm.h"
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#include "qapi/error.h"
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#include "qapi/qapi-visit-common.h"
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#include "qapi/visitor.h"
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#include "hw/core/cpu.h"
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#include "hw/usb.h"
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#include "hw/i386/intel_iommu.h"
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#include "hw/net/ne2000-isa.h"
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#include "standard-headers/asm-x86/bootparam.h"
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#include "hw/virtio/virtio-pmem-pci.h"
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#include "hw/virtio/virtio-mem-pci.h"
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#include "hw/mem/memory-device.h"
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#include "sysemu/replay.h"
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#include "qapi/qmp/qerror.h"
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#include "e820_memory_layout.h"
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#include "fw_cfg.h"
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#include "trace.h"
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#include CONFIG_DEVICES
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GlobalProperty pc_compat_6_1[] = {};
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const size_t pc_compat_6_1_len = G_N_ELEMENTS(pc_compat_6_1);
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GlobalProperty pc_compat_6_0[] = {
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{ "qemu64" "-" TYPE_X86_CPU, "family", "6" },
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{ "qemu64" "-" TYPE_X86_CPU, "model", "6" },
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{ "qemu64" "-" TYPE_X86_CPU, "stepping", "3" },
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{ TYPE_X86_CPU, "x-vendor-cpuid-only", "off" },
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{ "ICH9-LPC", ACPI_PM_PROP_ACPI_PCIHP_BRIDGE, "off" },
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};
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const size_t pc_compat_6_0_len = G_N_ELEMENTS(pc_compat_6_0);
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GlobalProperty pc_compat_5_2[] = {
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{ "ICH9-LPC", "x-smi-cpu-hotunplug", "off" },
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};
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const size_t pc_compat_5_2_len = G_N_ELEMENTS(pc_compat_5_2);
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GlobalProperty pc_compat_5_1[] = {
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{ "ICH9-LPC", "x-smi-cpu-hotplug", "off" },
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{ TYPE_X86_CPU, "kvm-msi-ext-dest-id", "off" },
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};
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const size_t pc_compat_5_1_len = G_N_ELEMENTS(pc_compat_5_1);
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GlobalProperty pc_compat_5_0[] = {
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};
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const size_t pc_compat_5_0_len = G_N_ELEMENTS(pc_compat_5_0);
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GlobalProperty pc_compat_4_2[] = {
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{ "mch", "smbase-smram", "off" },
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};
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const size_t pc_compat_4_2_len = G_N_ELEMENTS(pc_compat_4_2);
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GlobalProperty pc_compat_4_1[] = {};
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const size_t pc_compat_4_1_len = G_N_ELEMENTS(pc_compat_4_1);
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GlobalProperty pc_compat_4_0[] = {};
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const size_t pc_compat_4_0_len = G_N_ELEMENTS(pc_compat_4_0);
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GlobalProperty pc_compat_3_1[] = {
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{ "intel-iommu", "dma-drain", "off" },
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{ "Opteron_G3" "-" TYPE_X86_CPU, "rdtscp", "off" },
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{ "Opteron_G4" "-" TYPE_X86_CPU, "rdtscp", "off" },
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{ "Opteron_G4" "-" TYPE_X86_CPU, "npt", "off" },
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{ "Opteron_G4" "-" TYPE_X86_CPU, "nrip-save", "off" },
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{ "Opteron_G5" "-" TYPE_X86_CPU, "rdtscp", "off" },
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{ "Opteron_G5" "-" TYPE_X86_CPU, "npt", "off" },
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{ "Opteron_G5" "-" TYPE_X86_CPU, "nrip-save", "off" },
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{ "EPYC" "-" TYPE_X86_CPU, "npt", "off" },
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{ "EPYC" "-" TYPE_X86_CPU, "nrip-save", "off" },
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{ "EPYC-IBPB" "-" TYPE_X86_CPU, "npt", "off" },
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{ "EPYC-IBPB" "-" TYPE_X86_CPU, "nrip-save", "off" },
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{ "Skylake-Client" "-" TYPE_X86_CPU, "mpx", "on" },
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{ "Skylake-Client-IBRS" "-" TYPE_X86_CPU, "mpx", "on" },
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{ "Skylake-Server" "-" TYPE_X86_CPU, "mpx", "on" },
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{ "Skylake-Server-IBRS" "-" TYPE_X86_CPU, "mpx", "on" },
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{ "Cascadelake-Server" "-" TYPE_X86_CPU, "mpx", "on" },
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{ "Icelake-Client" "-" TYPE_X86_CPU, "mpx", "on" },
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{ "Icelake-Server" "-" TYPE_X86_CPU, "mpx", "on" },
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{ "Cascadelake-Server" "-" TYPE_X86_CPU, "stepping", "5" },
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{ TYPE_X86_CPU, "x-intel-pt-auto-level", "off" },
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};
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const size_t pc_compat_3_1_len = G_N_ELEMENTS(pc_compat_3_1);
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GlobalProperty pc_compat_3_0[] = {
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{ TYPE_X86_CPU, "x-hv-synic-kvm-only", "on" },
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{ "Skylake-Server" "-" TYPE_X86_CPU, "pku", "off" },
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{ "Skylake-Server-IBRS" "-" TYPE_X86_CPU, "pku", "off" },
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};
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const size_t pc_compat_3_0_len = G_N_ELEMENTS(pc_compat_3_0);
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GlobalProperty pc_compat_2_12[] = {
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{ TYPE_X86_CPU, "legacy-cache", "on" },
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{ TYPE_X86_CPU, "topoext", "off" },
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{ "EPYC-" TYPE_X86_CPU, "xlevel", "0x8000000a" },
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{ "EPYC-IBPB-" TYPE_X86_CPU, "xlevel", "0x8000000a" },
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};
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const size_t pc_compat_2_12_len = G_N_ELEMENTS(pc_compat_2_12);
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GlobalProperty pc_compat_2_11[] = {
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{ TYPE_X86_CPU, "x-migrate-smi-count", "off" },
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{ "Skylake-Server" "-" TYPE_X86_CPU, "clflushopt", "off" },
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};
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const size_t pc_compat_2_11_len = G_N_ELEMENTS(pc_compat_2_11);
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GlobalProperty pc_compat_2_10[] = {
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{ TYPE_X86_CPU, "x-hv-max-vps", "0x40" },
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{ "i440FX-pcihost", "x-pci-hole64-fix", "off" },
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{ "q35-pcihost", "x-pci-hole64-fix", "off" },
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};
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const size_t pc_compat_2_10_len = G_N_ELEMENTS(pc_compat_2_10);
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GlobalProperty pc_compat_2_9[] = {
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{ "mch", "extended-tseg-mbytes", "0" },
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};
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const size_t pc_compat_2_9_len = G_N_ELEMENTS(pc_compat_2_9);
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GlobalProperty pc_compat_2_8[] = {
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{ TYPE_X86_CPU, "tcg-cpuid", "off" },
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{ "kvmclock", "x-mach-use-reliable-get-clock", "off" },
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{ "ICH9-LPC", "x-smi-broadcast", "off" },
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{ TYPE_X86_CPU, "vmware-cpuid-freq", "off" },
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{ "Haswell-" TYPE_X86_CPU, "stepping", "1" },
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};
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const size_t pc_compat_2_8_len = G_N_ELEMENTS(pc_compat_2_8);
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GlobalProperty pc_compat_2_7[] = {
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{ TYPE_X86_CPU, "l3-cache", "off" },
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{ TYPE_X86_CPU, "full-cpuid-auto-level", "off" },
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{ "Opteron_G3" "-" TYPE_X86_CPU, "family", "15" },
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{ "Opteron_G3" "-" TYPE_X86_CPU, "model", "6" },
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{ "Opteron_G3" "-" TYPE_X86_CPU, "stepping", "1" },
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{ "isa-pcspk", "migrate", "off" },
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};
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const size_t pc_compat_2_7_len = G_N_ELEMENTS(pc_compat_2_7);
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GlobalProperty pc_compat_2_6[] = {
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{ TYPE_X86_CPU, "cpuid-0xb", "off" },
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{ "vmxnet3", "romfile", "" },
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{ TYPE_X86_CPU, "fill-mtrr-mask", "off" },
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{ "apic-common", "legacy-instance-id", "on", }
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};
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const size_t pc_compat_2_6_len = G_N_ELEMENTS(pc_compat_2_6);
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GlobalProperty pc_compat_2_5[] = {};
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const size_t pc_compat_2_5_len = G_N_ELEMENTS(pc_compat_2_5);
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GlobalProperty pc_compat_2_4[] = {
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PC_CPU_MODEL_IDS("2.4.0")
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{ "Haswell-" TYPE_X86_CPU, "abm", "off" },
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{ "Haswell-noTSX-" TYPE_X86_CPU, "abm", "off" },
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{ "Broadwell-" TYPE_X86_CPU, "abm", "off" },
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{ "Broadwell-noTSX-" TYPE_X86_CPU, "abm", "off" },
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{ "host" "-" TYPE_X86_CPU, "host-cache-info", "on" },
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{ TYPE_X86_CPU, "check", "off" },
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{ "qemu64" "-" TYPE_X86_CPU, "sse4a", "on" },
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{ "qemu64" "-" TYPE_X86_CPU, "abm", "on" },
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{ "qemu64" "-" TYPE_X86_CPU, "popcnt", "on" },
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{ "qemu32" "-" TYPE_X86_CPU, "popcnt", "on" },
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{ "Opteron_G2" "-" TYPE_X86_CPU, "rdtscp", "on" },
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{ "Opteron_G3" "-" TYPE_X86_CPU, "rdtscp", "on" },
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{ "Opteron_G4" "-" TYPE_X86_CPU, "rdtscp", "on" },
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{ "Opteron_G5" "-" TYPE_X86_CPU, "rdtscp", "on", }
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};
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const size_t pc_compat_2_4_len = G_N_ELEMENTS(pc_compat_2_4);
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GlobalProperty pc_compat_2_3[] = {
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PC_CPU_MODEL_IDS("2.3.0")
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{ TYPE_X86_CPU, "arat", "off" },
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{ "qemu64" "-" TYPE_X86_CPU, "min-level", "4" },
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{ "kvm64" "-" TYPE_X86_CPU, "min-level", "5" },
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{ "pentium3" "-" TYPE_X86_CPU, "min-level", "2" },
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{ "n270" "-" TYPE_X86_CPU, "min-level", "5" },
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{ "Conroe" "-" TYPE_X86_CPU, "min-level", "4" },
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{ "Penryn" "-" TYPE_X86_CPU, "min-level", "4" },
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{ "Nehalem" "-" TYPE_X86_CPU, "min-level", "4" },
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{ "n270" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" },
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{ "Penryn" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" },
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{ "Conroe" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" },
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{ "Nehalem" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" },
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{ "Westmere" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" },
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{ "SandyBridge" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" },
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{ "IvyBridge" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" },
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{ "Haswell" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" },
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{ "Haswell-noTSX" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" },
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{ "Broadwell" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" },
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{ "Broadwell-noTSX" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" },
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{ TYPE_X86_CPU, "kvm-no-smi-migration", "on" },
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};
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const size_t pc_compat_2_3_len = G_N_ELEMENTS(pc_compat_2_3);
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GlobalProperty pc_compat_2_2[] = {
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PC_CPU_MODEL_IDS("2.2.0")
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{ "kvm64" "-" TYPE_X86_CPU, "vme", "off" },
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{ "kvm32" "-" TYPE_X86_CPU, "vme", "off" },
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{ "Conroe" "-" TYPE_X86_CPU, "vme", "off" },
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{ "Penryn" "-" TYPE_X86_CPU, "vme", "off" },
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{ "Nehalem" "-" TYPE_X86_CPU, "vme", "off" },
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{ "Westmere" "-" TYPE_X86_CPU, "vme", "off" },
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{ "SandyBridge" "-" TYPE_X86_CPU, "vme", "off" },
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{ "Haswell" "-" TYPE_X86_CPU, "vme", "off" },
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{ "Broadwell" "-" TYPE_X86_CPU, "vme", "off" },
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{ "Opteron_G1" "-" TYPE_X86_CPU, "vme", "off" },
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{ "Opteron_G2" "-" TYPE_X86_CPU, "vme", "off" },
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{ "Opteron_G3" "-" TYPE_X86_CPU, "vme", "off" },
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{ "Opteron_G4" "-" TYPE_X86_CPU, "vme", "off" },
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{ "Opteron_G5" "-" TYPE_X86_CPU, "vme", "off" },
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{ "Haswell" "-" TYPE_X86_CPU, "f16c", "off" },
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{ "Haswell" "-" TYPE_X86_CPU, "rdrand", "off" },
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{ "Broadwell" "-" TYPE_X86_CPU, "f16c", "off" },
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{ "Broadwell" "-" TYPE_X86_CPU, "rdrand", "off" },
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};
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const size_t pc_compat_2_2_len = G_N_ELEMENTS(pc_compat_2_2);
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GlobalProperty pc_compat_2_1[] = {
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PC_CPU_MODEL_IDS("2.1.0")
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{ "coreduo" "-" TYPE_X86_CPU, "vmx", "on" },
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{ "core2duo" "-" TYPE_X86_CPU, "vmx", "on" },
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};
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const size_t pc_compat_2_1_len = G_N_ELEMENTS(pc_compat_2_1);
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GlobalProperty pc_compat_2_0[] = {
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PC_CPU_MODEL_IDS("2.0.0")
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{ "virtio-scsi-pci", "any_layout", "off" },
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{ "PIIX4_PM", "memory-hotplug-support", "off" },
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{ "apic", "version", "0x11" },
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{ "nec-usb-xhci", "superspeed-ports-first", "off" },
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{ "nec-usb-xhci", "force-pcie-endcap", "on" },
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{ "pci-serial", "prog_if", "0" },
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{ "pci-serial-2x", "prog_if", "0" },
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{ "pci-serial-4x", "prog_if", "0" },
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{ "virtio-net-pci", "guest_announce", "off" },
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{ "ICH9-LPC", "memory-hotplug-support", "off" },
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{ "xio3130-downstream", COMPAT_PROP_PCP, "off" },
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{ "ioh3420", COMPAT_PROP_PCP, "off" },
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};
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const size_t pc_compat_2_0_len = G_N_ELEMENTS(pc_compat_2_0);
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GlobalProperty pc_compat_1_7[] = {
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PC_CPU_MODEL_IDS("1.7.0")
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{ TYPE_USB_DEVICE, "msos-desc", "no" },
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{ "PIIX4_PM", ACPI_PM_PROP_ACPI_PCIHP_BRIDGE, "off" },
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{ "hpet", HPET_INTCAP, "4" },
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};
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const size_t pc_compat_1_7_len = G_N_ELEMENTS(pc_compat_1_7);
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GlobalProperty pc_compat_1_6[] = {
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PC_CPU_MODEL_IDS("1.6.0")
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{ "e1000", "mitigation", "off" },
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{ "qemu64-" TYPE_X86_CPU, "model", "2" },
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{ "qemu32-" TYPE_X86_CPU, "model", "3" },
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{ "i440FX-pcihost", "short_root_bus", "1" },
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{ "q35-pcihost", "short_root_bus", "1" },
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};
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const size_t pc_compat_1_6_len = G_N_ELEMENTS(pc_compat_1_6);
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GlobalProperty pc_compat_1_5[] = {
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PC_CPU_MODEL_IDS("1.5.0")
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{ "Conroe-" TYPE_X86_CPU, "model", "2" },
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{ "Conroe-" TYPE_X86_CPU, "min-level", "2" },
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{ "Penryn-" TYPE_X86_CPU, "model", "2" },
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{ "Penryn-" TYPE_X86_CPU, "min-level", "2" },
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{ "Nehalem-" TYPE_X86_CPU, "model", "2" },
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{ "Nehalem-" TYPE_X86_CPU, "min-level", "2" },
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{ "virtio-net-pci", "any_layout", "off" },
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{ TYPE_X86_CPU, "pmu", "on" },
|
|
{ "i440FX-pcihost", "short_root_bus", "0" },
|
|
{ "q35-pcihost", "short_root_bus", "0" },
|
|
};
|
|
const size_t pc_compat_1_5_len = G_N_ELEMENTS(pc_compat_1_5);
|
|
|
|
GlobalProperty pc_compat_1_4[] = {
|
|
PC_CPU_MODEL_IDS("1.4.0")
|
|
{ "scsi-hd", "discard_granularity", "0" },
|
|
{ "scsi-cd", "discard_granularity", "0" },
|
|
{ "ide-hd", "discard_granularity", "0" },
|
|
{ "ide-cd", "discard_granularity", "0" },
|
|
{ "virtio-blk-pci", "discard_granularity", "0" },
|
|
/* DEV_NVECTORS_UNSPECIFIED as a uint32_t string: */
|
|
{ "virtio-serial-pci", "vectors", "0xFFFFFFFF" },
|
|
{ "virtio-net-pci", "ctrl_guest_offloads", "off" },
|
|
{ "e1000", "romfile", "pxe-e1000.rom" },
|
|
{ "ne2k_pci", "romfile", "pxe-ne2k_pci.rom" },
|
|
{ "pcnet", "romfile", "pxe-pcnet.rom" },
|
|
{ "rtl8139", "romfile", "pxe-rtl8139.rom" },
|
|
{ "virtio-net-pci", "romfile", "pxe-virtio.rom" },
|
|
{ "486-" TYPE_X86_CPU, "model", "0" },
|
|
{ "n270" "-" TYPE_X86_CPU, "movbe", "off" },
|
|
{ "Westmere" "-" TYPE_X86_CPU, "pclmulqdq", "off" },
|
|
};
|
|
const size_t pc_compat_1_4_len = G_N_ELEMENTS(pc_compat_1_4);
|
|
|
|
GSIState *pc_gsi_create(qemu_irq **irqs, bool pci_enabled)
|
|
{
|
|
GSIState *s;
|
|
|
|
s = g_new0(GSIState, 1);
|
|
if (kvm_ioapic_in_kernel()) {
|
|
kvm_pc_setup_irq_routing(pci_enabled);
|
|
}
|
|
*irqs = qemu_allocate_irqs(gsi_handler, s, GSI_NUM_PINS);
|
|
|
|
return s;
|
|
}
|
|
|
|
static void ioport80_write(void *opaque, hwaddr addr, uint64_t data,
|
|
unsigned size)
|
|
{
|
|
}
|
|
|
|
static uint64_t ioport80_read(void *opaque, hwaddr addr, unsigned size)
|
|
{
|
|
return 0xffffffffffffffffULL;
|
|
}
|
|
|
|
/* MSDOS compatibility mode FPU exception support */
|
|
static void ioportF0_write(void *opaque, hwaddr addr, uint64_t data,
|
|
unsigned size)
|
|
{
|
|
if (tcg_enabled()) {
|
|
cpu_set_ignne();
|
|
}
|
|
}
|
|
|
|
static uint64_t ioportF0_read(void *opaque, hwaddr addr, unsigned size)
|
|
{
|
|
return 0xffffffffffffffffULL;
|
|
}
|
|
|
|
/* PC cmos mappings */
|
|
|
|
#define REG_EQUIPMENT_BYTE 0x14
|
|
|
|
static void cmos_init_hd(ISADevice *s, int type_ofs, int info_ofs,
|
|
int16_t cylinders, int8_t heads, int8_t sectors)
|
|
{
|
|
rtc_set_memory(s, type_ofs, 47);
|
|
rtc_set_memory(s, info_ofs, cylinders);
|
|
rtc_set_memory(s, info_ofs + 1, cylinders >> 8);
|
|
rtc_set_memory(s, info_ofs + 2, heads);
|
|
rtc_set_memory(s, info_ofs + 3, 0xff);
|
|
rtc_set_memory(s, info_ofs + 4, 0xff);
|
|
rtc_set_memory(s, info_ofs + 5, 0xc0 | ((heads > 8) << 3));
|
|
rtc_set_memory(s, info_ofs + 6, cylinders);
|
|
rtc_set_memory(s, info_ofs + 7, cylinders >> 8);
|
|
rtc_set_memory(s, info_ofs + 8, sectors);
|
|
}
|
|
|
|
/* convert boot_device letter to something recognizable by the bios */
|
|
static int boot_device2nibble(char boot_device)
|
|
{
|
|
switch(boot_device) {
|
|
case 'a':
|
|
case 'b':
|
|
return 0x01; /* floppy boot */
|
|
case 'c':
|
|
return 0x02; /* hard drive boot */
|
|
case 'd':
|
|
return 0x03; /* CD-ROM boot */
|
|
case 'n':
|
|
return 0x04; /* Network boot */
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void set_boot_dev(ISADevice *s, const char *boot_device, Error **errp)
|
|
{
|
|
#define PC_MAX_BOOT_DEVICES 3
|
|
int nbds, bds[3] = { 0, };
|
|
int i;
|
|
|
|
nbds = strlen(boot_device);
|
|
if (nbds > PC_MAX_BOOT_DEVICES) {
|
|
error_setg(errp, "Too many boot devices for PC");
|
|
return;
|
|
}
|
|
for (i = 0; i < nbds; i++) {
|
|
bds[i] = boot_device2nibble(boot_device[i]);
|
|
if (bds[i] == 0) {
|
|
error_setg(errp, "Invalid boot device for PC: '%c'",
|
|
boot_device[i]);
|
|
return;
|
|
}
|
|
}
|
|
rtc_set_memory(s, 0x3d, (bds[1] << 4) | bds[0]);
|
|
rtc_set_memory(s, 0x38, (bds[2] << 4) | (fd_bootchk ? 0x0 : 0x1));
|
|
}
|
|
|
|
static void pc_boot_set(void *opaque, const char *boot_device, Error **errp)
|
|
{
|
|
set_boot_dev(opaque, boot_device, errp);
|
|
}
|
|
|
|
static void pc_cmos_init_floppy(ISADevice *rtc_state, ISADevice *floppy)
|
|
{
|
|
int val, nb, i;
|
|
FloppyDriveType fd_type[2] = { FLOPPY_DRIVE_TYPE_NONE,
|
|
FLOPPY_DRIVE_TYPE_NONE };
|
|
|
|
/* floppy type */
|
|
if (floppy) {
|
|
for (i = 0; i < 2; i++) {
|
|
fd_type[i] = isa_fdc_get_drive_type(floppy, i);
|
|
}
|
|
}
|
|
val = (cmos_get_fd_drive_type(fd_type[0]) << 4) |
|
|
cmos_get_fd_drive_type(fd_type[1]);
|
|
rtc_set_memory(rtc_state, 0x10, val);
|
|
|
|
val = rtc_get_memory(rtc_state, REG_EQUIPMENT_BYTE);
|
|
nb = 0;
|
|
if (fd_type[0] != FLOPPY_DRIVE_TYPE_NONE) {
|
|
nb++;
|
|
}
|
|
if (fd_type[1] != FLOPPY_DRIVE_TYPE_NONE) {
|
|
nb++;
|
|
}
|
|
switch (nb) {
|
|
case 0:
|
|
break;
|
|
case 1:
|
|
val |= 0x01; /* 1 drive, ready for boot */
|
|
break;
|
|
case 2:
|
|
val |= 0x41; /* 2 drives, ready for boot */
|
|
break;
|
|
}
|
|
rtc_set_memory(rtc_state, REG_EQUIPMENT_BYTE, val);
|
|
}
|
|
|
|
typedef struct pc_cmos_init_late_arg {
|
|
ISADevice *rtc_state;
|
|
BusState *idebus[2];
|
|
} pc_cmos_init_late_arg;
|
|
|
|
typedef struct check_fdc_state {
|
|
ISADevice *floppy;
|
|
bool multiple;
|
|
} CheckFdcState;
|
|
|
|
static int check_fdc(Object *obj, void *opaque)
|
|
{
|
|
CheckFdcState *state = opaque;
|
|
Object *fdc;
|
|
uint32_t iobase;
|
|
Error *local_err = NULL;
|
|
|
|
fdc = object_dynamic_cast(obj, TYPE_ISA_FDC);
|
|
if (!fdc) {
|
|
return 0;
|
|
}
|
|
|
|
iobase = object_property_get_uint(obj, "iobase", &local_err);
|
|
if (local_err || iobase != 0x3f0) {
|
|
error_free(local_err);
|
|
return 0;
|
|
}
|
|
|
|
if (state->floppy) {
|
|
state->multiple = true;
|
|
} else {
|
|
state->floppy = ISA_DEVICE(obj);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static const char * const fdc_container_path[] = {
|
|
"/unattached", "/peripheral", "/peripheral-anon"
|
|
};
|
|
|
|
/*
|
|
* Locate the FDC at IO address 0x3f0, in order to configure the CMOS registers
|
|
* and ACPI objects.
|
|
*/
|
|
ISADevice *pc_find_fdc0(void)
|
|
{
|
|
int i;
|
|
Object *container;
|
|
CheckFdcState state = { 0 };
|
|
|
|
for (i = 0; i < ARRAY_SIZE(fdc_container_path); i++) {
|
|
container = container_get(qdev_get_machine(), fdc_container_path[i]);
|
|
object_child_foreach(container, check_fdc, &state);
|
|
}
|
|
|
|
if (state.multiple) {
|
|
warn_report("multiple floppy disk controllers with "
|
|
"iobase=0x3f0 have been found");
|
|
error_printf("the one being picked for CMOS setup might not reflect "
|
|
"your intent");
|
|
}
|
|
|
|
return state.floppy;
|
|
}
|
|
|
|
static void pc_cmos_init_late(void *opaque)
|
|
{
|
|
pc_cmos_init_late_arg *arg = opaque;
|
|
ISADevice *s = arg->rtc_state;
|
|
int16_t cylinders;
|
|
int8_t heads, sectors;
|
|
int val;
|
|
int i, trans;
|
|
|
|
val = 0;
|
|
if (arg->idebus[0] && ide_get_geometry(arg->idebus[0], 0,
|
|
&cylinders, &heads, §ors) >= 0) {
|
|
cmos_init_hd(s, 0x19, 0x1b, cylinders, heads, sectors);
|
|
val |= 0xf0;
|
|
}
|
|
if (arg->idebus[0] && ide_get_geometry(arg->idebus[0], 1,
|
|
&cylinders, &heads, §ors) >= 0) {
|
|
cmos_init_hd(s, 0x1a, 0x24, cylinders, heads, sectors);
|
|
val |= 0x0f;
|
|
}
|
|
rtc_set_memory(s, 0x12, val);
|
|
|
|
val = 0;
|
|
for (i = 0; i < 4; i++) {
|
|
/* NOTE: ide_get_geometry() returns the physical
|
|
geometry. It is always such that: 1 <= sects <= 63, 1
|
|
<= heads <= 16, 1 <= cylinders <= 16383. The BIOS
|
|
geometry can be different if a translation is done. */
|
|
if (arg->idebus[i / 2] &&
|
|
ide_get_geometry(arg->idebus[i / 2], i % 2,
|
|
&cylinders, &heads, §ors) >= 0) {
|
|
trans = ide_get_bios_chs_trans(arg->idebus[i / 2], i % 2) - 1;
|
|
assert((trans & ~3) == 0);
|
|
val |= trans << (i * 2);
|
|
}
|
|
}
|
|
rtc_set_memory(s, 0x39, val);
|
|
|
|
pc_cmos_init_floppy(s, pc_find_fdc0());
|
|
|
|
qemu_unregister_reset(pc_cmos_init_late, opaque);
|
|
}
|
|
|
|
void pc_cmos_init(PCMachineState *pcms,
|
|
BusState *idebus0, BusState *idebus1,
|
|
ISADevice *s)
|
|
{
|
|
int val;
|
|
static pc_cmos_init_late_arg arg;
|
|
X86MachineState *x86ms = X86_MACHINE(pcms);
|
|
|
|
/* various important CMOS locations needed by PC/Bochs bios */
|
|
|
|
/* memory size */
|
|
/* base memory (first MiB) */
|
|
val = MIN(x86ms->below_4g_mem_size / KiB, 640);
|
|
rtc_set_memory(s, 0x15, val);
|
|
rtc_set_memory(s, 0x16, val >> 8);
|
|
/* extended memory (next 64MiB) */
|
|
if (x86ms->below_4g_mem_size > 1 * MiB) {
|
|
val = (x86ms->below_4g_mem_size - 1 * MiB) / KiB;
|
|
} else {
|
|
val = 0;
|
|
}
|
|
if (val > 65535)
|
|
val = 65535;
|
|
rtc_set_memory(s, 0x17, val);
|
|
rtc_set_memory(s, 0x18, val >> 8);
|
|
rtc_set_memory(s, 0x30, val);
|
|
rtc_set_memory(s, 0x31, val >> 8);
|
|
/* memory between 16MiB and 4GiB */
|
|
if (x86ms->below_4g_mem_size > 16 * MiB) {
|
|
val = (x86ms->below_4g_mem_size - 16 * MiB) / (64 * KiB);
|
|
} else {
|
|
val = 0;
|
|
}
|
|
if (val > 65535)
|
|
val = 65535;
|
|
rtc_set_memory(s, 0x34, val);
|
|
rtc_set_memory(s, 0x35, val >> 8);
|
|
/* memory above 4GiB */
|
|
val = x86ms->above_4g_mem_size / 65536;
|
|
rtc_set_memory(s, 0x5b, val);
|
|
rtc_set_memory(s, 0x5c, val >> 8);
|
|
rtc_set_memory(s, 0x5d, val >> 16);
|
|
|
|
object_property_add_link(OBJECT(pcms), "rtc_state",
|
|
TYPE_ISA_DEVICE,
|
|
(Object **)&x86ms->rtc,
|
|
object_property_allow_set_link,
|
|
OBJ_PROP_LINK_STRONG);
|
|
object_property_set_link(OBJECT(pcms), "rtc_state", OBJECT(s),
|
|
&error_abort);
|
|
|
|
set_boot_dev(s, MACHINE(pcms)->boot_order, &error_fatal);
|
|
|
|
val = 0;
|
|
val |= 0x02; /* FPU is there */
|
|
val |= 0x04; /* PS/2 mouse installed */
|
|
rtc_set_memory(s, REG_EQUIPMENT_BYTE, val);
|
|
|
|
/* hard drives and FDC */
|
|
arg.rtc_state = s;
|
|
arg.idebus[0] = idebus0;
|
|
arg.idebus[1] = idebus1;
|
|
qemu_register_reset(pc_cmos_init_late, &arg);
|
|
}
|
|
|
|
static void handle_a20_line_change(void *opaque, int irq, int level)
|
|
{
|
|
X86CPU *cpu = opaque;
|
|
|
|
/* XXX: send to all CPUs ? */
|
|
/* XXX: add logic to handle multiple A20 line sources */
|
|
x86_cpu_set_a20(cpu, level);
|
|
}
|
|
|
|
#define NE2000_NB_MAX 6
|
|
|
|
static const int ne2000_io[NE2000_NB_MAX] = { 0x300, 0x320, 0x340, 0x360,
|
|
0x280, 0x380 };
|
|
static const int ne2000_irq[NE2000_NB_MAX] = { 9, 10, 11, 3, 4, 5 };
|
|
|
|
void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd)
|
|
{
|
|
static int nb_ne2k = 0;
|
|
|
|
if (nb_ne2k == NE2000_NB_MAX)
|
|
return;
|
|
isa_ne2000_init(bus, ne2000_io[nb_ne2k],
|
|
ne2000_irq[nb_ne2k], nd);
|
|
nb_ne2k++;
|
|
}
|
|
|
|
void pc_acpi_smi_interrupt(void *opaque, int irq, int level)
|
|
{
|
|
X86CPU *cpu = opaque;
|
|
|
|
if (level) {
|
|
cpu_interrupt(CPU(cpu), CPU_INTERRUPT_SMI);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This function is very similar to smp_parse()
|
|
* in hw/core/machine.c but includes CPU die support.
|
|
*/
|
|
static void pc_smp_parse(MachineState *ms, SMPConfiguration *config, Error **errp)
|
|
{
|
|
unsigned cpus = config->has_cpus ? config->cpus : 0;
|
|
unsigned sockets = config->has_sockets ? config->sockets : 0;
|
|
unsigned dies = config->has_dies ? config->dies : 1;
|
|
unsigned cores = config->has_cores ? config->cores : 0;
|
|
unsigned threads = config->has_threads ? config->threads : 0;
|
|
|
|
/* compute missing values, prefer sockets over cores over threads */
|
|
if (cpus == 0 || sockets == 0) {
|
|
cores = cores > 0 ? cores : 1;
|
|
threads = threads > 0 ? threads : 1;
|
|
if (cpus == 0) {
|
|
sockets = sockets > 0 ? sockets : 1;
|
|
cpus = cores * threads * dies * sockets;
|
|
} else {
|
|
ms->smp.max_cpus = config->has_maxcpus ? config->maxcpus : cpus;
|
|
sockets = ms->smp.max_cpus / (cores * threads * dies);
|
|
}
|
|
} else if (cores == 0) {
|
|
threads = threads > 0 ? threads : 1;
|
|
cores = cpus / (sockets * dies * threads);
|
|
cores = cores > 0 ? cores : 1;
|
|
} else if (threads == 0) {
|
|
threads = cpus / (cores * dies * sockets);
|
|
threads = threads > 0 ? threads : 1;
|
|
} else if (sockets * dies * cores * threads < cpus) {
|
|
error_setg(errp, "cpu topology: "
|
|
"sockets (%u) * dies (%u) * cores (%u) * threads (%u) < "
|
|
"smp_cpus (%u)",
|
|
sockets, dies, cores, threads, cpus);
|
|
return;
|
|
}
|
|
|
|
ms->smp.max_cpus = config->has_maxcpus ? config->maxcpus : cpus;
|
|
|
|
if (ms->smp.max_cpus < cpus) {
|
|
error_setg(errp, "maxcpus must be equal to or greater than smp");
|
|
return;
|
|
}
|
|
|
|
if (sockets * dies * cores * threads != ms->smp.max_cpus) {
|
|
error_setg(errp, "Invalid CPU topology deprecated: "
|
|
"sockets (%u) * dies (%u) * cores (%u) * threads (%u) "
|
|
"!= maxcpus (%u)",
|
|
sockets, dies, cores, threads,
|
|
ms->smp.max_cpus);
|
|
return;
|
|
}
|
|
|
|
ms->smp.cpus = cpus;
|
|
ms->smp.cores = cores;
|
|
ms->smp.threads = threads;
|
|
ms->smp.sockets = sockets;
|
|
ms->smp.dies = dies;
|
|
}
|
|
|
|
static
|
|
void pc_machine_done(Notifier *notifier, void *data)
|
|
{
|
|
PCMachineState *pcms = container_of(notifier,
|
|
PCMachineState, machine_done);
|
|
X86MachineState *x86ms = X86_MACHINE(pcms);
|
|
|
|
/* set the number of CPUs */
|
|
x86_rtc_set_cpus_count(x86ms->rtc, x86ms->boot_cpus);
|
|
|
|
fw_cfg_add_extra_pci_roots(pcms->bus, x86ms->fw_cfg);
|
|
|
|
acpi_setup();
|
|
if (x86ms->fw_cfg) {
|
|
fw_cfg_build_smbios(MACHINE(pcms), x86ms->fw_cfg);
|
|
fw_cfg_build_feature_control(MACHINE(pcms), x86ms->fw_cfg);
|
|
/* update FW_CFG_NB_CPUS to account for -device added CPUs */
|
|
fw_cfg_modify_i16(x86ms->fw_cfg, FW_CFG_NB_CPUS, x86ms->boot_cpus);
|
|
}
|
|
|
|
|
|
if (x86ms->apic_id_limit > 255 && !xen_enabled() &&
|
|
!kvm_irqchip_in_kernel()) {
|
|
error_report("current -smp configuration requires kernel "
|
|
"irqchip support.");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
|
|
void pc_guest_info_init(PCMachineState *pcms)
|
|
{
|
|
X86MachineState *x86ms = X86_MACHINE(pcms);
|
|
|
|
x86ms->apic_xrupt_override = true;
|
|
pcms->machine_done.notify = pc_machine_done;
|
|
qemu_add_machine_init_done_notifier(&pcms->machine_done);
|
|
}
|
|
|
|
/* setup pci memory address space mapping into system address space */
|
|
void pc_pci_as_mapping_init(Object *owner, MemoryRegion *system_memory,
|
|
MemoryRegion *pci_address_space)
|
|
{
|
|
/* Set to lower priority than RAM */
|
|
memory_region_add_subregion_overlap(system_memory, 0x0,
|
|
pci_address_space, -1);
|
|
}
|
|
|
|
void xen_load_linux(PCMachineState *pcms)
|
|
{
|
|
int i;
|
|
FWCfgState *fw_cfg;
|
|
PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
|
|
X86MachineState *x86ms = X86_MACHINE(pcms);
|
|
|
|
assert(MACHINE(pcms)->kernel_filename != NULL);
|
|
|
|
fw_cfg = fw_cfg_init_io(FW_CFG_IO_BASE);
|
|
fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, x86ms->boot_cpus);
|
|
rom_set_fw(fw_cfg);
|
|
|
|
x86_load_linux(x86ms, fw_cfg, pcmc->acpi_data_size,
|
|
pcmc->pvh_enabled, pcmc->linuxboot_dma_enabled);
|
|
for (i = 0; i < nb_option_roms; i++) {
|
|
assert(!strcmp(option_rom[i].name, "linuxboot.bin") ||
|
|
!strcmp(option_rom[i].name, "linuxboot_dma.bin") ||
|
|
!strcmp(option_rom[i].name, "pvh.bin") ||
|
|
!strcmp(option_rom[i].name, "multiboot.bin"));
|
|
rom_add_option(option_rom[i].name, option_rom[i].bootindex);
|
|
}
|
|
x86ms->fw_cfg = fw_cfg;
|
|
}
|
|
|
|
void pc_memory_init(PCMachineState *pcms,
|
|
MemoryRegion *system_memory,
|
|
MemoryRegion *rom_memory,
|
|
MemoryRegion **ram_memory)
|
|
{
|
|
int linux_boot, i;
|
|
MemoryRegion *option_rom_mr;
|
|
MemoryRegion *ram_below_4g, *ram_above_4g;
|
|
FWCfgState *fw_cfg;
|
|
MachineState *machine = MACHINE(pcms);
|
|
MachineClass *mc = MACHINE_GET_CLASS(machine);
|
|
PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
|
|
X86MachineState *x86ms = X86_MACHINE(pcms);
|
|
|
|
assert(machine->ram_size == x86ms->below_4g_mem_size +
|
|
x86ms->above_4g_mem_size);
|
|
|
|
linux_boot = (machine->kernel_filename != NULL);
|
|
|
|
/*
|
|
* Split single memory region and use aliases to address portions of it,
|
|
* done for backwards compatibility with older qemus.
|
|
*/
|
|
*ram_memory = machine->ram;
|
|
ram_below_4g = g_malloc(sizeof(*ram_below_4g));
|
|
memory_region_init_alias(ram_below_4g, NULL, "ram-below-4g", machine->ram,
|
|
0, x86ms->below_4g_mem_size);
|
|
memory_region_add_subregion(system_memory, 0, ram_below_4g);
|
|
e820_add_entry(0, x86ms->below_4g_mem_size, E820_RAM);
|
|
if (x86ms->above_4g_mem_size > 0) {
|
|
ram_above_4g = g_malloc(sizeof(*ram_above_4g));
|
|
memory_region_init_alias(ram_above_4g, NULL, "ram-above-4g",
|
|
machine->ram,
|
|
x86ms->below_4g_mem_size,
|
|
x86ms->above_4g_mem_size);
|
|
memory_region_add_subregion(system_memory, 0x100000000ULL,
|
|
ram_above_4g);
|
|
e820_add_entry(0x100000000ULL, x86ms->above_4g_mem_size, E820_RAM);
|
|
}
|
|
|
|
if (!pcmc->has_reserved_memory &&
|
|
(machine->ram_slots ||
|
|
(machine->maxram_size > machine->ram_size))) {
|
|
|
|
error_report("\"-memory 'slots|maxmem'\" is not supported by: %s",
|
|
mc->name);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
/* always allocate the device memory information */
|
|
machine->device_memory = g_malloc0(sizeof(*machine->device_memory));
|
|
|
|
/* initialize device memory address space */
|
|
if (pcmc->has_reserved_memory &&
|
|
(machine->ram_size < machine->maxram_size)) {
|
|
ram_addr_t device_mem_size = machine->maxram_size - machine->ram_size;
|
|
|
|
if (machine->ram_slots > ACPI_MAX_RAM_SLOTS) {
|
|
error_report("unsupported amount of memory slots: %"PRIu64,
|
|
machine->ram_slots);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
if (QEMU_ALIGN_UP(machine->maxram_size,
|
|
TARGET_PAGE_SIZE) != machine->maxram_size) {
|
|
error_report("maximum memory size must by aligned to multiple of "
|
|
"%d bytes", TARGET_PAGE_SIZE);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
machine->device_memory->base =
|
|
ROUND_UP(0x100000000ULL + x86ms->above_4g_mem_size, 1 * GiB);
|
|
|
|
if (pcmc->enforce_aligned_dimm) {
|
|
/* size device region assuming 1G page max alignment per slot */
|
|
device_mem_size += (1 * GiB) * machine->ram_slots;
|
|
}
|
|
|
|
if ((machine->device_memory->base + device_mem_size) <
|
|
device_mem_size) {
|
|
error_report("unsupported amount of maximum memory: " RAM_ADDR_FMT,
|
|
machine->maxram_size);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
memory_region_init(&machine->device_memory->mr, OBJECT(pcms),
|
|
"device-memory", device_mem_size);
|
|
memory_region_add_subregion(system_memory, machine->device_memory->base,
|
|
&machine->device_memory->mr);
|
|
}
|
|
|
|
/* Initialize PC system firmware */
|
|
pc_system_firmware_init(pcms, rom_memory);
|
|
|
|
option_rom_mr = g_malloc(sizeof(*option_rom_mr));
|
|
memory_region_init_ram(option_rom_mr, NULL, "pc.rom", PC_ROM_SIZE,
|
|
&error_fatal);
|
|
if (pcmc->pci_enabled) {
|
|
memory_region_set_readonly(option_rom_mr, true);
|
|
}
|
|
memory_region_add_subregion_overlap(rom_memory,
|
|
PC_ROM_MIN_VGA,
|
|
option_rom_mr,
|
|
1);
|
|
|
|
fw_cfg = fw_cfg_arch_create(machine,
|
|
x86ms->boot_cpus, x86ms->apic_id_limit);
|
|
|
|
rom_set_fw(fw_cfg);
|
|
|
|
if (pcmc->has_reserved_memory && machine->device_memory->base) {
|
|
uint64_t *val = g_malloc(sizeof(*val));
|
|
PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
|
|
uint64_t res_mem_end = machine->device_memory->base;
|
|
|
|
if (!pcmc->broken_reserved_end) {
|
|
res_mem_end += memory_region_size(&machine->device_memory->mr);
|
|
}
|
|
*val = cpu_to_le64(ROUND_UP(res_mem_end, 1 * GiB));
|
|
fw_cfg_add_file(fw_cfg, "etc/reserved-memory-end", val, sizeof(*val));
|
|
}
|
|
|
|
if (linux_boot) {
|
|
x86_load_linux(x86ms, fw_cfg, pcmc->acpi_data_size,
|
|
pcmc->pvh_enabled, pcmc->linuxboot_dma_enabled);
|
|
}
|
|
|
|
for (i = 0; i < nb_option_roms; i++) {
|
|
rom_add_option(option_rom[i].name, option_rom[i].bootindex);
|
|
}
|
|
x86ms->fw_cfg = fw_cfg;
|
|
|
|
/* Init default IOAPIC address space */
|
|
x86ms->ioapic_as = &address_space_memory;
|
|
|
|
/* Init ACPI memory hotplug IO base address */
|
|
pcms->memhp_io_base = ACPI_MEMORY_HOTPLUG_BASE;
|
|
}
|
|
|
|
/*
|
|
* The 64bit pci hole starts after "above 4G RAM" and
|
|
* potentially the space reserved for memory hotplug.
|
|
*/
|
|
uint64_t pc_pci_hole64_start(void)
|
|
{
|
|
PCMachineState *pcms = PC_MACHINE(qdev_get_machine());
|
|
PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
|
|
MachineState *ms = MACHINE(pcms);
|
|
X86MachineState *x86ms = X86_MACHINE(pcms);
|
|
uint64_t hole64_start = 0;
|
|
|
|
if (pcmc->has_reserved_memory && ms->device_memory->base) {
|
|
hole64_start = ms->device_memory->base;
|
|
if (!pcmc->broken_reserved_end) {
|
|
hole64_start += memory_region_size(&ms->device_memory->mr);
|
|
}
|
|
} else {
|
|
hole64_start = 0x100000000ULL + x86ms->above_4g_mem_size;
|
|
}
|
|
|
|
return ROUND_UP(hole64_start, 1 * GiB);
|
|
}
|
|
|
|
DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus)
|
|
{
|
|
DeviceState *dev = NULL;
|
|
|
|
rom_set_order_override(FW_CFG_ORDER_OVERRIDE_VGA);
|
|
if (pci_bus) {
|
|
PCIDevice *pcidev = pci_vga_init(pci_bus);
|
|
dev = pcidev ? &pcidev->qdev : NULL;
|
|
} else if (isa_bus) {
|
|
ISADevice *isadev = isa_vga_init(isa_bus);
|
|
dev = isadev ? DEVICE(isadev) : NULL;
|
|
}
|
|
rom_reset_order_override();
|
|
return dev;
|
|
}
|
|
|
|
static const MemoryRegionOps ioport80_io_ops = {
|
|
.write = ioport80_write,
|
|
.read = ioport80_read,
|
|
.endianness = DEVICE_NATIVE_ENDIAN,
|
|
.impl = {
|
|
.min_access_size = 1,
|
|
.max_access_size = 1,
|
|
},
|
|
};
|
|
|
|
static const MemoryRegionOps ioportF0_io_ops = {
|
|
.write = ioportF0_write,
|
|
.read = ioportF0_read,
|
|
.endianness = DEVICE_NATIVE_ENDIAN,
|
|
.impl = {
|
|
.min_access_size = 1,
|
|
.max_access_size = 1,
|
|
},
|
|
};
|
|
|
|
static void pc_superio_init(ISABus *isa_bus, bool create_fdctrl, bool no_vmport)
|
|
{
|
|
int i;
|
|
DriveInfo *fd[MAX_FD];
|
|
qemu_irq *a20_line;
|
|
ISADevice *fdc, *i8042, *port92, *vmmouse;
|
|
|
|
serial_hds_isa_init(isa_bus, 0, MAX_ISA_SERIAL_PORTS);
|
|
parallel_hds_isa_init(isa_bus, MAX_PARALLEL_PORTS);
|
|
|
|
for (i = 0; i < MAX_FD; i++) {
|
|
fd[i] = drive_get(IF_FLOPPY, 0, i);
|
|
create_fdctrl |= !!fd[i];
|
|
}
|
|
if (create_fdctrl) {
|
|
fdc = isa_new(TYPE_ISA_FDC);
|
|
if (fdc) {
|
|
isa_realize_and_unref(fdc, isa_bus, &error_fatal);
|
|
isa_fdc_init_drives(fdc, fd);
|
|
}
|
|
}
|
|
|
|
i8042 = isa_create_simple(isa_bus, "i8042");
|
|
if (!no_vmport) {
|
|
isa_create_simple(isa_bus, TYPE_VMPORT);
|
|
vmmouse = isa_try_new("vmmouse");
|
|
} else {
|
|
vmmouse = NULL;
|
|
}
|
|
if (vmmouse) {
|
|
object_property_set_link(OBJECT(vmmouse), "i8042", OBJECT(i8042),
|
|
&error_abort);
|
|
isa_realize_and_unref(vmmouse, isa_bus, &error_fatal);
|
|
}
|
|
port92 = isa_create_simple(isa_bus, TYPE_PORT92);
|
|
|
|
a20_line = qemu_allocate_irqs(handle_a20_line_change, first_cpu, 2);
|
|
i8042_setup_a20_line(i8042, a20_line[0]);
|
|
qdev_connect_gpio_out_named(DEVICE(port92),
|
|
PORT92_A20_LINE, 0, a20_line[1]);
|
|
g_free(a20_line);
|
|
}
|
|
|
|
void pc_basic_device_init(struct PCMachineState *pcms,
|
|
ISABus *isa_bus, qemu_irq *gsi,
|
|
ISADevice **rtc_state,
|
|
bool create_fdctrl,
|
|
uint32_t hpet_irqs)
|
|
{
|
|
int i;
|
|
DeviceState *hpet = NULL;
|
|
int pit_isa_irq = 0;
|
|
qemu_irq pit_alt_irq = NULL;
|
|
qemu_irq rtc_irq = NULL;
|
|
ISADevice *pit = NULL;
|
|
MemoryRegion *ioport80_io = g_new(MemoryRegion, 1);
|
|
MemoryRegion *ioportF0_io = g_new(MemoryRegion, 1);
|
|
|
|
memory_region_init_io(ioport80_io, NULL, &ioport80_io_ops, NULL, "ioport80", 1);
|
|
memory_region_add_subregion(isa_bus->address_space_io, 0x80, ioport80_io);
|
|
|
|
memory_region_init_io(ioportF0_io, NULL, &ioportF0_io_ops, NULL, "ioportF0", 1);
|
|
memory_region_add_subregion(isa_bus->address_space_io, 0xf0, ioportF0_io);
|
|
|
|
/*
|
|
* Check if an HPET shall be created.
|
|
*
|
|
* Without KVM_CAP_PIT_STATE2, we cannot switch off the in-kernel PIT
|
|
* when the HPET wants to take over. Thus we have to disable the latter.
|
|
*/
|
|
if (pcms->hpet_enabled && (!kvm_irqchip_in_kernel() ||
|
|
kvm_has_pit_state2())) {
|
|
hpet = qdev_try_new(TYPE_HPET);
|
|
if (!hpet) {
|
|
error_report("couldn't create HPET device");
|
|
exit(1);
|
|
}
|
|
/*
|
|
* For pc-piix-*, hpet's intcap is always IRQ2. For pc-q35-1.7 and
|
|
* earlier, use IRQ2 for compat. Otherwise, use IRQ16~23, IRQ8 and
|
|
* IRQ2.
|
|
*/
|
|
uint8_t compat = object_property_get_uint(OBJECT(hpet),
|
|
HPET_INTCAP, NULL);
|
|
if (!compat) {
|
|
qdev_prop_set_uint32(hpet, HPET_INTCAP, hpet_irqs);
|
|
}
|
|
sysbus_realize_and_unref(SYS_BUS_DEVICE(hpet), &error_fatal);
|
|
sysbus_mmio_map(SYS_BUS_DEVICE(hpet), 0, HPET_BASE);
|
|
|
|
for (i = 0; i < GSI_NUM_PINS; i++) {
|
|
sysbus_connect_irq(SYS_BUS_DEVICE(hpet), i, gsi[i]);
|
|
}
|
|
pit_isa_irq = -1;
|
|
pit_alt_irq = qdev_get_gpio_in(hpet, HPET_LEGACY_PIT_INT);
|
|
rtc_irq = qdev_get_gpio_in(hpet, HPET_LEGACY_RTC_INT);
|
|
}
|
|
*rtc_state = mc146818_rtc_init(isa_bus, 2000, rtc_irq);
|
|
|
|
qemu_register_boot_set(pc_boot_set, *rtc_state);
|
|
|
|
if (!xen_enabled() && pcms->pit_enabled) {
|
|
if (kvm_pit_in_kernel()) {
|
|
pit = kvm_pit_init(isa_bus, 0x40);
|
|
} else {
|
|
pit = i8254_pit_init(isa_bus, 0x40, pit_isa_irq, pit_alt_irq);
|
|
}
|
|
if (hpet) {
|
|
/* connect PIT to output control line of the HPET */
|
|
qdev_connect_gpio_out(hpet, 0, qdev_get_gpio_in(DEVICE(pit), 0));
|
|
}
|
|
pcspk_init(pcms->pcspk, isa_bus, pit);
|
|
}
|
|
|
|
i8257_dma_init(isa_bus, 0);
|
|
|
|
/* Super I/O */
|
|
pc_superio_init(isa_bus, create_fdctrl, pcms->vmport != ON_OFF_AUTO_ON);
|
|
}
|
|
|
|
void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus)
|
|
{
|
|
int i;
|
|
|
|
rom_set_order_override(FW_CFG_ORDER_OVERRIDE_NIC);
|
|
for (i = 0; i < nb_nics; i++) {
|
|
NICInfo *nd = &nd_table[i];
|
|
const char *model = nd->model ? nd->model : pcmc->default_nic_model;
|
|
|
|
if (g_str_equal(model, "ne2k_isa")) {
|
|
pc_init_ne2k_isa(isa_bus, nd);
|
|
} else {
|
|
pci_nic_init_nofail(nd, pci_bus, model, NULL);
|
|
}
|
|
}
|
|
rom_reset_order_override();
|
|
}
|
|
|
|
void pc_i8259_create(ISABus *isa_bus, qemu_irq *i8259_irqs)
|
|
{
|
|
qemu_irq *i8259;
|
|
|
|
if (kvm_pic_in_kernel()) {
|
|
i8259 = kvm_i8259_init(isa_bus);
|
|
} else if (xen_enabled()) {
|
|
i8259 = xen_interrupt_controller_init();
|
|
} else {
|
|
i8259 = i8259_init(isa_bus, x86_allocate_cpu_irq());
|
|
}
|
|
|
|
for (size_t i = 0; i < ISA_NUM_IRQS; i++) {
|
|
i8259_irqs[i] = i8259[i];
|
|
}
|
|
|
|
g_free(i8259);
|
|
}
|
|
|
|
static void pc_memory_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
|
|
Error **errp)
|
|
{
|
|
const PCMachineState *pcms = PC_MACHINE(hotplug_dev);
|
|
const X86MachineState *x86ms = X86_MACHINE(hotplug_dev);
|
|
const PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
|
|
const MachineState *ms = MACHINE(hotplug_dev);
|
|
const bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM);
|
|
const uint64_t legacy_align = TARGET_PAGE_SIZE;
|
|
Error *local_err = NULL;
|
|
|
|
/*
|
|
* When -no-acpi is used with Q35 machine type, no ACPI is built,
|
|
* but pcms->acpi_dev is still created. Check !acpi_enabled in
|
|
* addition to cover this case.
|
|
*/
|
|
if (!x86ms->acpi_dev || !x86_machine_is_acpi_enabled(x86ms)) {
|
|
error_setg(errp,
|
|
"memory hotplug is not enabled: missing acpi device or acpi disabled");
|
|
return;
|
|
}
|
|
|
|
if (is_nvdimm && !ms->nvdimms_state->is_enabled) {
|
|
error_setg(errp, "nvdimm is not enabled: missing 'nvdimm' in '-M'");
|
|
return;
|
|
}
|
|
|
|
hotplug_handler_pre_plug(x86ms->acpi_dev, dev, &local_err);
|
|
if (local_err) {
|
|
error_propagate(errp, local_err);
|
|
return;
|
|
}
|
|
|
|
pc_dimm_pre_plug(PC_DIMM(dev), MACHINE(hotplug_dev),
|
|
pcmc->enforce_aligned_dimm ? NULL : &legacy_align, errp);
|
|
}
|
|
|
|
static void pc_memory_plug(HotplugHandler *hotplug_dev,
|
|
DeviceState *dev, Error **errp)
|
|
{
|
|
PCMachineState *pcms = PC_MACHINE(hotplug_dev);
|
|
X86MachineState *x86ms = X86_MACHINE(hotplug_dev);
|
|
MachineState *ms = MACHINE(hotplug_dev);
|
|
bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM);
|
|
|
|
pc_dimm_plug(PC_DIMM(dev), MACHINE(pcms));
|
|
|
|
if (is_nvdimm) {
|
|
nvdimm_plug(ms->nvdimms_state);
|
|
}
|
|
|
|
hotplug_handler_plug(x86ms->acpi_dev, dev, &error_abort);
|
|
}
|
|
|
|
static void pc_memory_unplug_request(HotplugHandler *hotplug_dev,
|
|
DeviceState *dev, Error **errp)
|
|
{
|
|
X86MachineState *x86ms = X86_MACHINE(hotplug_dev);
|
|
|
|
/*
|
|
* When -no-acpi is used with Q35 machine type, no ACPI is built,
|
|
* but pcms->acpi_dev is still created. Check !acpi_enabled in
|
|
* addition to cover this case.
|
|
*/
|
|
if (!x86ms->acpi_dev || !x86_machine_is_acpi_enabled(x86ms)) {
|
|
error_setg(errp,
|
|
"memory hotplug is not enabled: missing acpi device or acpi disabled");
|
|
return;
|
|
}
|
|
|
|
if (object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM)) {
|
|
error_setg(errp, "nvdimm device hot unplug is not supported yet.");
|
|
return;
|
|
}
|
|
|
|
hotplug_handler_unplug_request(x86ms->acpi_dev, dev,
|
|
errp);
|
|
}
|
|
|
|
static void pc_memory_unplug(HotplugHandler *hotplug_dev,
|
|
DeviceState *dev, Error **errp)
|
|
{
|
|
PCMachineState *pcms = PC_MACHINE(hotplug_dev);
|
|
X86MachineState *x86ms = X86_MACHINE(hotplug_dev);
|
|
Error *local_err = NULL;
|
|
|
|
hotplug_handler_unplug(x86ms->acpi_dev, dev, &local_err);
|
|
if (local_err) {
|
|
goto out;
|
|
}
|
|
|
|
pc_dimm_unplug(PC_DIMM(dev), MACHINE(pcms));
|
|
qdev_unrealize(dev);
|
|
out:
|
|
error_propagate(errp, local_err);
|
|
}
|
|
|
|
static void pc_virtio_md_pci_pre_plug(HotplugHandler *hotplug_dev,
|
|
DeviceState *dev, Error **errp)
|
|
{
|
|
HotplugHandler *hotplug_dev2 = qdev_get_bus_hotplug_handler(dev);
|
|
Error *local_err = NULL;
|
|
|
|
if (!hotplug_dev2 && dev->hotplugged) {
|
|
/*
|
|
* Without a bus hotplug handler, we cannot control the plug/unplug
|
|
* order. We should never reach this point when hotplugging on x86,
|
|
* however, better add a safety net.
|
|
*/
|
|
error_setg(errp, "hotplug of virtio based memory devices not supported"
|
|
" on this bus.");
|
|
return;
|
|
}
|
|
/*
|
|
* First, see if we can plug this memory device at all. If that
|
|
* succeeds, branch of to the actual hotplug handler.
|
|
*/
|
|
memory_device_pre_plug(MEMORY_DEVICE(dev), MACHINE(hotplug_dev), NULL,
|
|
&local_err);
|
|
if (!local_err && hotplug_dev2) {
|
|
hotplug_handler_pre_plug(hotplug_dev2, dev, &local_err);
|
|
}
|
|
error_propagate(errp, local_err);
|
|
}
|
|
|
|
static void pc_virtio_md_pci_plug(HotplugHandler *hotplug_dev,
|
|
DeviceState *dev, Error **errp)
|
|
{
|
|
HotplugHandler *hotplug_dev2 = qdev_get_bus_hotplug_handler(dev);
|
|
Error *local_err = NULL;
|
|
|
|
/*
|
|
* Plug the memory device first and then branch off to the actual
|
|
* hotplug handler. If that one fails, we can easily undo the memory
|
|
* device bits.
|
|
*/
|
|
memory_device_plug(MEMORY_DEVICE(dev), MACHINE(hotplug_dev));
|
|
if (hotplug_dev2) {
|
|
hotplug_handler_plug(hotplug_dev2, dev, &local_err);
|
|
if (local_err) {
|
|
memory_device_unplug(MEMORY_DEVICE(dev), MACHINE(hotplug_dev));
|
|
}
|
|
}
|
|
error_propagate(errp, local_err);
|
|
}
|
|
|
|
static void pc_virtio_md_pci_unplug_request(HotplugHandler *hotplug_dev,
|
|
DeviceState *dev, Error **errp)
|
|
{
|
|
/* We don't support hot unplug of virtio based memory devices */
|
|
error_setg(errp, "virtio based memory devices cannot be unplugged.");
|
|
}
|
|
|
|
static void pc_virtio_md_pci_unplug(HotplugHandler *hotplug_dev,
|
|
DeviceState *dev, Error **errp)
|
|
{
|
|
/* We don't support hot unplug of virtio based memory devices */
|
|
}
|
|
|
|
static void pc_machine_device_pre_plug_cb(HotplugHandler *hotplug_dev,
|
|
DeviceState *dev, Error **errp)
|
|
{
|
|
if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
|
|
pc_memory_pre_plug(hotplug_dev, dev, errp);
|
|
} else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
|
|
x86_cpu_pre_plug(hotplug_dev, dev, errp);
|
|
} else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI) ||
|
|
object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MEM_PCI)) {
|
|
pc_virtio_md_pci_pre_plug(hotplug_dev, dev, errp);
|
|
}
|
|
}
|
|
|
|
static void pc_machine_device_plug_cb(HotplugHandler *hotplug_dev,
|
|
DeviceState *dev, Error **errp)
|
|
{
|
|
if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
|
|
pc_memory_plug(hotplug_dev, dev, errp);
|
|
} else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
|
|
x86_cpu_plug(hotplug_dev, dev, errp);
|
|
} else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI) ||
|
|
object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MEM_PCI)) {
|
|
pc_virtio_md_pci_plug(hotplug_dev, dev, errp);
|
|
}
|
|
}
|
|
|
|
static void pc_machine_device_unplug_request_cb(HotplugHandler *hotplug_dev,
|
|
DeviceState *dev, Error **errp)
|
|
{
|
|
if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
|
|
pc_memory_unplug_request(hotplug_dev, dev, errp);
|
|
} else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
|
|
x86_cpu_unplug_request_cb(hotplug_dev, dev, errp);
|
|
} else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI) ||
|
|
object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MEM_PCI)) {
|
|
pc_virtio_md_pci_unplug_request(hotplug_dev, dev, errp);
|
|
} else {
|
|
error_setg(errp, "acpi: device unplug request for not supported device"
|
|
" type: %s", object_get_typename(OBJECT(dev)));
|
|
}
|
|
}
|
|
|
|
static void pc_machine_device_unplug_cb(HotplugHandler *hotplug_dev,
|
|
DeviceState *dev, Error **errp)
|
|
{
|
|
if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
|
|
pc_memory_unplug(hotplug_dev, dev, errp);
|
|
} else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
|
|
x86_cpu_unplug_cb(hotplug_dev, dev, errp);
|
|
} else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI) ||
|
|
object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MEM_PCI)) {
|
|
pc_virtio_md_pci_unplug(hotplug_dev, dev, errp);
|
|
} else {
|
|
error_setg(errp, "acpi: device unplug for not supported device"
|
|
" type: %s", object_get_typename(OBJECT(dev)));
|
|
}
|
|
}
|
|
|
|
static HotplugHandler *pc_get_hotplug_handler(MachineState *machine,
|
|
DeviceState *dev)
|
|
{
|
|
if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM) ||
|
|
object_dynamic_cast(OBJECT(dev), TYPE_CPU) ||
|
|
object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI) ||
|
|
object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MEM_PCI)) {
|
|
return HOTPLUG_HANDLER(machine);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
pc_machine_get_device_memory_region_size(Object *obj, Visitor *v,
|
|
const char *name, void *opaque,
|
|
Error **errp)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
int64_t value = 0;
|
|
|
|
if (ms->device_memory) {
|
|
value = memory_region_size(&ms->device_memory->mr);
|
|
}
|
|
|
|
visit_type_int(v, name, &value, errp);
|
|
}
|
|
|
|
static void pc_machine_get_vmport(Object *obj, Visitor *v, const char *name,
|
|
void *opaque, Error **errp)
|
|
{
|
|
PCMachineState *pcms = PC_MACHINE(obj);
|
|
OnOffAuto vmport = pcms->vmport;
|
|
|
|
visit_type_OnOffAuto(v, name, &vmport, errp);
|
|
}
|
|
|
|
static void pc_machine_set_vmport(Object *obj, Visitor *v, const char *name,
|
|
void *opaque, Error **errp)
|
|
{
|
|
PCMachineState *pcms = PC_MACHINE(obj);
|
|
|
|
visit_type_OnOffAuto(v, name, &pcms->vmport, errp);
|
|
}
|
|
|
|
static bool pc_machine_get_smbus(Object *obj, Error **errp)
|
|
{
|
|
PCMachineState *pcms = PC_MACHINE(obj);
|
|
|
|
return pcms->smbus_enabled;
|
|
}
|
|
|
|
static void pc_machine_set_smbus(Object *obj, bool value, Error **errp)
|
|
{
|
|
PCMachineState *pcms = PC_MACHINE(obj);
|
|
|
|
pcms->smbus_enabled = value;
|
|
}
|
|
|
|
static bool pc_machine_get_sata(Object *obj, Error **errp)
|
|
{
|
|
PCMachineState *pcms = PC_MACHINE(obj);
|
|
|
|
return pcms->sata_enabled;
|
|
}
|
|
|
|
static void pc_machine_set_sata(Object *obj, bool value, Error **errp)
|
|
{
|
|
PCMachineState *pcms = PC_MACHINE(obj);
|
|
|
|
pcms->sata_enabled = value;
|
|
}
|
|
|
|
static bool pc_machine_get_pit(Object *obj, Error **errp)
|
|
{
|
|
PCMachineState *pcms = PC_MACHINE(obj);
|
|
|
|
return pcms->pit_enabled;
|
|
}
|
|
|
|
static void pc_machine_set_pit(Object *obj, bool value, Error **errp)
|
|
{
|
|
PCMachineState *pcms = PC_MACHINE(obj);
|
|
|
|
pcms->pit_enabled = value;
|
|
}
|
|
|
|
static bool pc_machine_get_hpet(Object *obj, Error **errp)
|
|
{
|
|
PCMachineState *pcms = PC_MACHINE(obj);
|
|
|
|
return pcms->hpet_enabled;
|
|
}
|
|
|
|
static void pc_machine_set_hpet(Object *obj, bool value, Error **errp)
|
|
{
|
|
PCMachineState *pcms = PC_MACHINE(obj);
|
|
|
|
pcms->hpet_enabled = value;
|
|
}
|
|
|
|
static bool pc_machine_get_default_bus_bypass_iommu(Object *obj, Error **errp)
|
|
{
|
|
PCMachineState *pcms = PC_MACHINE(obj);
|
|
|
|
return pcms->default_bus_bypass_iommu;
|
|
}
|
|
|
|
static void pc_machine_set_default_bus_bypass_iommu(Object *obj, bool value,
|
|
Error **errp)
|
|
{
|
|
PCMachineState *pcms = PC_MACHINE(obj);
|
|
|
|
pcms->default_bus_bypass_iommu = value;
|
|
}
|
|
|
|
static void pc_machine_get_max_ram_below_4g(Object *obj, Visitor *v,
|
|
const char *name, void *opaque,
|
|
Error **errp)
|
|
{
|
|
PCMachineState *pcms = PC_MACHINE(obj);
|
|
uint64_t value = pcms->max_ram_below_4g;
|
|
|
|
visit_type_size(v, name, &value, errp);
|
|
}
|
|
|
|
static void pc_machine_set_max_ram_below_4g(Object *obj, Visitor *v,
|
|
const char *name, void *opaque,
|
|
Error **errp)
|
|
{
|
|
PCMachineState *pcms = PC_MACHINE(obj);
|
|
uint64_t value;
|
|
|
|
if (!visit_type_size(v, name, &value, errp)) {
|
|
return;
|
|
}
|
|
if (value > 4 * GiB) {
|
|
error_setg(errp,
|
|
"Machine option 'max-ram-below-4g=%"PRIu64
|
|
"' expects size less than or equal to 4G", value);
|
|
return;
|
|
}
|
|
|
|
if (value < 1 * MiB) {
|
|
warn_report("Only %" PRIu64 " bytes of RAM below the 4GiB boundary,"
|
|
"BIOS may not work with less than 1MiB", value);
|
|
}
|
|
|
|
pcms->max_ram_below_4g = value;
|
|
}
|
|
|
|
static void pc_machine_get_max_fw_size(Object *obj, Visitor *v,
|
|
const char *name, void *opaque,
|
|
Error **errp)
|
|
{
|
|
PCMachineState *pcms = PC_MACHINE(obj);
|
|
uint64_t value = pcms->max_fw_size;
|
|
|
|
visit_type_size(v, name, &value, errp);
|
|
}
|
|
|
|
static void pc_machine_set_max_fw_size(Object *obj, Visitor *v,
|
|
const char *name, void *opaque,
|
|
Error **errp)
|
|
{
|
|
PCMachineState *pcms = PC_MACHINE(obj);
|
|
Error *error = NULL;
|
|
uint64_t value;
|
|
|
|
visit_type_size(v, name, &value, &error);
|
|
if (error) {
|
|
error_propagate(errp, error);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* We don't have a theoretically justifiable exact lower bound on the base
|
|
* address of any flash mapping. In practice, the IO-APIC MMIO range is
|
|
* [0xFEE00000..0xFEE01000] -- see IO_APIC_DEFAULT_ADDRESS --, leaving free
|
|
* only 18MB-4KB below 4G. For now, restrict the cumulative mapping to 8MB in
|
|
* size.
|
|
*/
|
|
if (value > 16 * MiB) {
|
|
error_setg(errp,
|
|
"User specified max allowed firmware size %" PRIu64 " is "
|
|
"greater than 16MiB. If combined firwmare size exceeds "
|
|
"16MiB the system may not boot, or experience intermittent"
|
|
"stability issues.",
|
|
value);
|
|
return;
|
|
}
|
|
|
|
pcms->max_fw_size = value;
|
|
}
|
|
|
|
|
|
static void pc_machine_initfn(Object *obj)
|
|
{
|
|
PCMachineState *pcms = PC_MACHINE(obj);
|
|
|
|
#ifdef CONFIG_VMPORT
|
|
pcms->vmport = ON_OFF_AUTO_AUTO;
|
|
#else
|
|
pcms->vmport = ON_OFF_AUTO_OFF;
|
|
#endif /* CONFIG_VMPORT */
|
|
pcms->max_ram_below_4g = 0; /* use default */
|
|
/* acpi build is enabled by default if machine supports it */
|
|
pcms->acpi_build_enabled = PC_MACHINE_GET_CLASS(pcms)->has_acpi_build;
|
|
pcms->smbus_enabled = true;
|
|
pcms->sata_enabled = true;
|
|
pcms->pit_enabled = true;
|
|
pcms->max_fw_size = 8 * MiB;
|
|
#ifdef CONFIG_HPET
|
|
pcms->hpet_enabled = true;
|
|
#endif
|
|
pcms->default_bus_bypass_iommu = false;
|
|
|
|
pc_system_flash_create(pcms);
|
|
pcms->pcspk = isa_new(TYPE_PC_SPEAKER);
|
|
object_property_add_alias(OBJECT(pcms), "pcspk-audiodev",
|
|
OBJECT(pcms->pcspk), "audiodev");
|
|
}
|
|
|
|
static void pc_machine_reset(MachineState *machine)
|
|
{
|
|
CPUState *cs;
|
|
X86CPU *cpu;
|
|
|
|
qemu_devices_reset();
|
|
|
|
/* Reset APIC after devices have been reset to cancel
|
|
* any changes that qemu_devices_reset() might have done.
|
|
*/
|
|
CPU_FOREACH(cs) {
|
|
cpu = X86_CPU(cs);
|
|
|
|
if (cpu->apic_state) {
|
|
device_legacy_reset(cpu->apic_state);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void pc_machine_wakeup(MachineState *machine)
|
|
{
|
|
cpu_synchronize_all_states();
|
|
pc_machine_reset(machine);
|
|
cpu_synchronize_all_post_reset();
|
|
}
|
|
|
|
static bool pc_hotplug_allowed(MachineState *ms, DeviceState *dev, Error **errp)
|
|
{
|
|
X86IOMMUState *iommu = x86_iommu_get_default();
|
|
IntelIOMMUState *intel_iommu;
|
|
|
|
if (iommu &&
|
|
object_dynamic_cast((Object *)iommu, TYPE_INTEL_IOMMU_DEVICE) &&
|
|
object_dynamic_cast((Object *)dev, "vfio-pci")) {
|
|
intel_iommu = INTEL_IOMMU_DEVICE(iommu);
|
|
if (!intel_iommu->caching_mode) {
|
|
error_setg(errp, "Device assignment is not allowed without "
|
|
"enabling caching-mode=on for Intel IOMMU.");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static void pc_machine_class_init(ObjectClass *oc, void *data)
|
|
{
|
|
MachineClass *mc = MACHINE_CLASS(oc);
|
|
PCMachineClass *pcmc = PC_MACHINE_CLASS(oc);
|
|
HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
|
|
|
|
pcmc->pci_enabled = true;
|
|
pcmc->has_acpi_build = true;
|
|
pcmc->rsdp_in_ram = true;
|
|
pcmc->smbios_defaults = true;
|
|
pcmc->smbios_uuid_encoded = true;
|
|
pcmc->gigabyte_align = true;
|
|
pcmc->has_reserved_memory = true;
|
|
pcmc->kvmclock_enabled = true;
|
|
pcmc->enforce_aligned_dimm = true;
|
|
/* BIOS ACPI tables: 128K. Other BIOS datastructures: less than 4K reported
|
|
* to be used at the moment, 32K should be enough for a while. */
|
|
pcmc->acpi_data_size = 0x20000 + 0x8000;
|
|
pcmc->linuxboot_dma_enabled = true;
|
|
pcmc->pvh_enabled = true;
|
|
pcmc->kvmclock_create_always = true;
|
|
assert(!mc->get_hotplug_handler);
|
|
mc->get_hotplug_handler = pc_get_hotplug_handler;
|
|
mc->hotplug_allowed = pc_hotplug_allowed;
|
|
mc->cpu_index_to_instance_props = x86_cpu_index_to_props;
|
|
mc->get_default_cpu_node_id = x86_get_default_cpu_node_id;
|
|
mc->possible_cpu_arch_ids = x86_possible_cpu_arch_ids;
|
|
mc->auto_enable_numa_with_memhp = true;
|
|
mc->auto_enable_numa_with_memdev = true;
|
|
mc->has_hotpluggable_cpus = true;
|
|
mc->default_boot_order = "cad";
|
|
mc->smp_parse = pc_smp_parse;
|
|
mc->block_default_type = IF_IDE;
|
|
mc->max_cpus = 255;
|
|
mc->reset = pc_machine_reset;
|
|
mc->wakeup = pc_machine_wakeup;
|
|
hc->pre_plug = pc_machine_device_pre_plug_cb;
|
|
hc->plug = pc_machine_device_plug_cb;
|
|
hc->unplug_request = pc_machine_device_unplug_request_cb;
|
|
hc->unplug = pc_machine_device_unplug_cb;
|
|
mc->default_cpu_type = TARGET_DEFAULT_CPU_TYPE;
|
|
mc->nvdimm_supported = true;
|
|
mc->default_ram_id = "pc.ram";
|
|
|
|
object_class_property_add(oc, PC_MACHINE_MAX_RAM_BELOW_4G, "size",
|
|
pc_machine_get_max_ram_below_4g, pc_machine_set_max_ram_below_4g,
|
|
NULL, NULL);
|
|
object_class_property_set_description(oc, PC_MACHINE_MAX_RAM_BELOW_4G,
|
|
"Maximum ram below the 4G boundary (32bit boundary)");
|
|
|
|
object_class_property_add(oc, PC_MACHINE_DEVMEM_REGION_SIZE, "int",
|
|
pc_machine_get_device_memory_region_size, NULL,
|
|
NULL, NULL);
|
|
|
|
object_class_property_add(oc, PC_MACHINE_VMPORT, "OnOffAuto",
|
|
pc_machine_get_vmport, pc_machine_set_vmport,
|
|
NULL, NULL);
|
|
object_class_property_set_description(oc, PC_MACHINE_VMPORT,
|
|
"Enable vmport (pc & q35)");
|
|
|
|
object_class_property_add_bool(oc, PC_MACHINE_SMBUS,
|
|
pc_machine_get_smbus, pc_machine_set_smbus);
|
|
|
|
object_class_property_add_bool(oc, PC_MACHINE_SATA,
|
|
pc_machine_get_sata, pc_machine_set_sata);
|
|
|
|
object_class_property_add_bool(oc, PC_MACHINE_PIT,
|
|
pc_machine_get_pit, pc_machine_set_pit);
|
|
|
|
object_class_property_add_bool(oc, "hpet",
|
|
pc_machine_get_hpet, pc_machine_set_hpet);
|
|
|
|
object_class_property_add_bool(oc, "default_bus_bypass_iommu",
|
|
pc_machine_get_default_bus_bypass_iommu,
|
|
pc_machine_set_default_bus_bypass_iommu);
|
|
|
|
object_class_property_add(oc, PC_MACHINE_MAX_FW_SIZE, "size",
|
|
pc_machine_get_max_fw_size, pc_machine_set_max_fw_size,
|
|
NULL, NULL);
|
|
object_class_property_set_description(oc, PC_MACHINE_MAX_FW_SIZE,
|
|
"Maximum combined firmware size");
|
|
}
|
|
|
|
static const TypeInfo pc_machine_info = {
|
|
.name = TYPE_PC_MACHINE,
|
|
.parent = TYPE_X86_MACHINE,
|
|
.abstract = true,
|
|
.instance_size = sizeof(PCMachineState),
|
|
.instance_init = pc_machine_initfn,
|
|
.class_size = sizeof(PCMachineClass),
|
|
.class_init = pc_machine_class_init,
|
|
.interfaces = (InterfaceInfo[]) {
|
|
{ TYPE_HOTPLUG_HANDLER },
|
|
{ }
|
|
},
|
|
};
|
|
|
|
static void pc_machine_register_types(void)
|
|
{
|
|
type_register_static(&pc_machine_info);
|
|
}
|
|
|
|
type_init(pc_machine_register_types)
|