[v2,6/8] x86: move more x86-generic functions out of PC files

Message ID	1576171754-45138-7-git-send-email-pbonzini@redhat.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <SRS0=PTTO=2C=nongnu.org=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@kernel.org> DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1160122527 From: Paolo Bonzini <pbonzini@redhat.com> To: qemu-devel@nongnu.org Subject: [PATCH v2 6/8] x86: move more x86-generic functions out of PC files Date: Thu, 12 Dec 2019 18:29:12 +0100 Message-Id: <1576171754-45138-7-git-send-email-pbonzini@redhat.com> In-Reply-To: <1576171754-45138-1-git-send-email-pbonzini@redhat.com> References: <1576171754-45138-1-git-send-email-pbonzini@redhat.com> Precedence: list Cc: philmd@redhat.com, slp@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org>
Series	x86: allow building without PC machine types \| expand [v2,0/8] x86: allow building without PC machine types [v2,1/8] i386: conditionally compile more files [v2,2/8] fw_cfg: allow building without other devices [v2,3/8] hw: replace hw/i386/pc.h with a header just for the i8259 [v2,4/8] pci-stub: add more MSI functions [v2,5/8] x86: move SMM property to X86MachineState [v2,6/8] x86: move more x86-generic functions out of PC files [v2,7/8] acpi: move PC stubs out of stubs/ [v2,8/8] pc: stubify x86 iommu

diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 12ff55f..7b8da62 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -53,6 +53,7 @@ /* Supported chipsets: */ #include "hw/southbridge/piix.h" #include "hw/acpi/pcihp.h" +#include "hw/i386/fw_cfg.h" #include "hw/i386/ich9.h" #include "hw/pci/pci_bus.h" #include "hw/pci-host/q35.h" diff --git a/hw/i386/fw_cfg.c b/hw/i386/fw_cfg.c index 326e33e..da60ada 100644 --- a/hw/i386/fw_cfg.c +++ b/hw/i386/fw_cfg.c @@ -16,7 +16,6 @@ #include "sysemu/numa.h" #include "hw/acpi/acpi.h" #include "hw/firmware/smbios.h" -#include "hw/i386/pc.h" #include "hw/i386/fw_cfg.h" #include "hw/timer/hpet.h" #include "hw/nvram/fw_cfg.h" diff --git a/hw/i386/fw_cfg.h b/hw/i386/fw_cfg.h index e0856a3..9e74278 100644 --- a/hw/i386/fw_cfg.h +++ b/hw/i386/fw_cfg.h @@ -12,6 +12,8 @@ #include "hw/boards.h" #include "hw/nvram/fw_cfg.h" +#define FW_CFG_IO_BASE 0x510 + #define FW_CFG_ACPI_TABLES (FW_CFG_ARCH_LOCAL + 0) #define FW_CFG_SMBIOS_ENTRIES (FW_CFG_ARCH_LOCAL + 1) #define FW_CFG_IRQ0_OVERRIDE (FW_CFG_ARCH_LOCAL + 2) diff --git a/hw/i386/kvm/ioapic.c b/hw/i386/kvm/ioapic.c index f94729c..8703f19 100644 --- a/hw/i386/kvm/ioapic.c +++ b/hw/i386/kvm/ioapic.c @@ -12,7 +12,7 @@ #include "qemu/osdep.h" #include "monitor/monitor.h" -#include "hw/i386/pc.h" +#include "hw/i386/x86.h" #include "hw/irq.h" #include "hw/qdev-properties.h" #include "hw/i386/ioapic_internal.h" diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c index 2068319..827ce29 100644 --- a/hw/i386/microvm.c +++ b/hw/i386/microvm.c @@ -32,7 +32,6 @@ #include "hw/kvm/clock.h" #include "hw/i386/microvm.h" #include "hw/i386/x86.h" -#include "hw/i386/pc.h" #include "target/i386/cpu.h" #include "hw/intc/i8259.h" #include "hw/timer/i8254.h" @@ -133,7 +132,7 @@ static void microvm_devices_init(MicrovmMachineState *mms) if (mms->pic == ON_OFF_AUTO_ON || mms->pic == ON_OFF_AUTO_AUTO) { qemu_irq *i8259; - i8259 = i8259_init(isa_bus, pc_allocate_cpu_irq()); + i8259 = i8259_init(isa_bus, x86_allocate_cpu_irq()); for (i = 0; i < ISA_NUM_IRQS; i++) { gsi_state->i8259_irq[i] = i8259[i]; } diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 6a3212e..545b855 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -343,17 +343,6 @@ GlobalProperty pc_compat_1_4[] = { }; const size_t pc_compat_1_4_len = G_N_ELEMENTS(pc_compat_1_4); -void gsi_handler(void *opaque, int n, int level) -{ - GSIState *s = opaque; - - DPRINTF("pc: %s GSI %d\n", level ? "raising" : "lowering", n); - if (n < ISA_NUM_IRQS) { - qemu_set_irq(s->i8259_irq[n], level); - } - qemu_set_irq(s->ioapic_irq[n], level); -} - GSIState *pc_gsi_create(qemu_irq **irqs, bool pci_enabled) { GSIState *s; @@ -393,55 +382,6 @@ static uint64_t ioportF0_read(void *opaque, hwaddr addr, unsigned size) return 0xffffffffffffffffULL; } -/* TSC handling */ -uint64_t cpu_get_tsc(CPUX86State *env) -{ - return cpu_get_ticks(); -} - -/* IRQ handling */ -int cpu_get_pic_interrupt(CPUX86State *env) -{ - X86CPU *cpu = env_archcpu(env); - int intno; - - if (!kvm_irqchip_in_kernel()) { - intno = apic_get_interrupt(cpu->apic_state); - if (intno >= 0) { - return intno; - } - /* read the irq from the PIC */ - if (!apic_accept_pic_intr(cpu->apic_state)) { - return -1; - } - } - - intno = pic_read_irq(isa_pic); - return intno; -} - -static void pic_irq_request(void *opaque, int irq, int level) -{ - CPUState *cs = first_cpu; - X86CPU *cpu = X86_CPU(cs); - - DPRINTF("pic_irqs: %s irq %d\n", level? "raise" : "lower", irq); - if (cpu->apic_state && !kvm_irqchip_in_kernel()) { - CPU_FOREACH(cs) { - cpu = X86_CPU(cs); - if (apic_accept_pic_intr(cpu->apic_state)) { - apic_deliver_pic_intr(cpu->apic_state, level); - } - } - } else { - if (level) { - cpu_interrupt(cs, CPU_INTERRUPT_HARD); - } else { - cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD); - } - } -} - /* PC cmos mappings */ #define REG_EQUIPMENT_BYTE 0x14 @@ -885,16 +825,6 @@ void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd) nb_ne2k++; } -DeviceState *cpu_get_current_apic(void) -{ - if (current_cpu) { - X86CPU *cpu = X86_CPU(current_cpu); - return cpu->apic_state; - } else { - return NULL; - } -} - void pc_acpi_smi_interrupt(void *opaque, int irq, int level) { X86CPU *cpu = opaque; @@ -1290,11 +1220,6 @@ uint64_t pc_pci_hole64_start(void) return ROUND_UP(hole64_start, 1 * GiB); } -qemu_irq pc_allocate_cpu_irq(void) -{ - return qemu_allocate_irq(pic_irq_request, NULL, 0); -} - DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus) { DeviceState *dev = NULL; @@ -1471,7 +1396,7 @@ void pc_i8259_create(ISABus *isa_bus, qemu_irq *i8259_irqs) } else if (xen_enabled()) { i8259 = xen_interrupt_controller_init(); } else { - i8259 = i8259_init(isa_bus, pc_allocate_cpu_irq()); + i8259 = i8259_init(isa_bus, x86_allocate_cpu_irq()); } for (size_t i = 0; i < ISA_NUM_IRQS; i++) { @@ -1481,30 +1406,6 @@ void pc_i8259_create(ISABus *isa_bus, qemu_irq *i8259_irqs) g_free(i8259); } -void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name) -{ - DeviceState *dev; - SysBusDevice *d; - unsigned int i; - - if (kvm_ioapic_in_kernel()) { - dev = qdev_create(NULL, TYPE_KVM_IOAPIC); - } else { - dev = qdev_create(NULL, TYPE_IOAPIC); - } - if (parent_name) { - object_property_add_child(object_resolve_path(parent_name, NULL), - "ioapic", OBJECT(dev), NULL); - } - qdev_init_nofail(dev); - d = SYS_BUS_DEVICE(dev); - sysbus_mmio_map(d, 0, IO_APIC_DEFAULT_ADDRESS); - - for (i = 0; i < IOAPIC_NUM_PINS; i++) { - gsi_state->ioapic_irq[i] = qdev_get_gpio_in(dev, i); - } -} - static void pc_memory_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { diff --git a/hw/i386/x86.c b/hw/i386/x86.c index 6fb01e4..b14acca 100644 --- a/hw/i386/x86.c +++ b/hw/i386/x86.c @@ -42,11 +42,14 @@ #include "hw/intc/i8259.h" #include "hw/acpi/cpu_hotplug.h" +#include "hw/irq.h" #include "hw/nmi.h" #include "hw/loader.h" #include "multiboot.h" #include "elf.h" #include "standard-headers/asm-x86/bootparam.h" +#include "config-devices.h" +#include "kvm_i386.h" #define BIOS_FILENAME "bios.bin" @@ -221,6 +224,103 @@ static long get_file_size(FILE *f) return size; } +/* TSC handling */ +uint64_t cpu_get_tsc(CPUX86State *env) +{ + return cpu_get_ticks(); +} + +/* IRQ handling */ +static void pic_irq_request(void *opaque, int irq, int level) +{ + CPUState *cs = first_cpu; + X86CPU *cpu = X86_CPU(cs); + + if (cpu->apic_state && !kvm_irqchip_in_kernel()) { + CPU_FOREACH(cs) { + cpu = X86_CPU(cs); + if (apic_accept_pic_intr(cpu->apic_state)) { + apic_deliver_pic_intr(cpu->apic_state, level); + } + } + } else { + if (level) { + cpu_interrupt(cs, CPU_INTERRUPT_HARD); + } else { + cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD); + } + } +} + +qemu_irq x86_allocate_cpu_irq(void) +{ + return qemu_allocate_irq(pic_irq_request, NULL, 0); +} + +int cpu_get_pic_interrupt(CPUX86State *env) +{ + X86CPU *cpu = env_archcpu(env); + int intno; + + if (!kvm_irqchip_in_kernel()) { + intno = apic_get_interrupt(cpu->apic_state); + if (intno >= 0) { + return intno; + } + /* read the irq from the PIC */ + if (!apic_accept_pic_intr(cpu->apic_state)) { + return -1; + } + } + + intno = pic_read_irq(isa_pic); + return intno; +} + +DeviceState *cpu_get_current_apic(void) +{ + if (current_cpu) { + X86CPU *cpu = X86_CPU(current_cpu); + return cpu->apic_state; + } else { + return NULL; + } +} + +void gsi_handler(void *opaque, int n, int level) +{ + GSIState *s = opaque; + + if (n < ISA_NUM_IRQS) { + qemu_set_irq(s->i8259_irq[n], level); + } + qemu_set_irq(s->ioapic_irq[n], level); +} + +void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name) +{ + DeviceState *dev; + SysBusDevice *d; + unsigned int i; + + if (kvm_ioapic_in_kernel()) { + dev = qdev_create(NULL, TYPE_KVM_IOAPIC); + } else { + dev = qdev_create(NULL, TYPE_IOAPIC); + } + if (parent_name) { + object_property_add_child(object_resolve_path(parent_name, NULL), + "ioapic", OBJECT(dev), NULL); + } + qdev_init_nofail(dev); + d = SYS_BUS_DEVICE(dev); + sysbus_mmio_map(d, 0, IO_APIC_DEFAULT_ADDRESS); + + for (i = 0; i < IOAPIC_NUM_PINS; i++) { + gsi_state->ioapic_irq[i] = qdev_get_gpio_in(dev, i); + } +} + struct setup_data { uint64_t next; uint32_t type; diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index ca641e8..e512838 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -3,11 +3,9 @@ #include "exec/memory.h" #include "hw/boards.h" -#include "hw/isa/isa.h" #include "hw/block/fdc.h" #include "hw/block/flash.h" #include "net/net.h" -#include "hw/i386/ioapic.h" #include "hw/i386/x86.h" #include "qemu/range.h" @@ -134,17 +132,6 @@ typedef struct PCMachineClass { /* ioapic.c */ -/* Global System Interrupts */ - -#define GSI_NUM_PINS IOAPIC_NUM_PINS - -typedef struct GSIState { - qemu_irq i8259_irq[ISA_NUM_IRQS]; - qemu_irq ioapic_irq[IOAPIC_NUM_PINS]; -} GSIState; - -void gsi_handler(void *opaque, int n, int level); - GSIState *pc_gsi_create(qemu_irq **irqs, bool pci_enabled); /* vmport.c */ @@ -188,7 +175,6 @@ void pc_memory_init(PCMachineState *pcms, MemoryRegion *rom_memory, MemoryRegion **ram_memory); uint64_t pc_pci_hole64_start(void); -qemu_irq pc_allocate_cpu_irq(void); DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus); void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi, ISADevice **rtc_state, @@ -206,18 +192,12 @@ void pc_pci_device_init(PCIBus *pci_bus); typedef void (*cpu_set_smm_t)(int smm, void *arg); void pc_i8259_create(ISABus *isa_bus, qemu_irq *i8259_irqs); -void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name); ISADevice *pc_find_fdc0(void); int cmos_get_fd_drive_type(FloppyDriveType fd0); -#define FW_CFG_IO_BASE 0x510 - #define PORT92_A20_LINE "a20" -/* hpet.c */ -extern int no_hpet; - /* pc_sysfw.c */ void pc_system_flash_create(PCMachineState *pcms); void pc_system_firmware_init(PCMachineState *pcms, MemoryRegion *rom_memory); diff --git a/include/hw/i386/x86.h b/include/hw/i386/x86.h index 97d1575..41fe37b 100644 --- a/include/hw/i386/x86.h +++ b/include/hw/i386/x86.h @@ -23,6 +23,8 @@ #include "hw/boards.h" #include "hw/nmi.h" +#include "hw/isa/isa.h" +#include "hw/i386/ioapic.h" typedef struct { /*< private >*/ @@ -100,4 +102,20 @@ void x86_load_linux(X86MachineState *x86ms, bool x86_machine_is_smm_enabled(X86MachineState *x86ms); +/* Global System Interrupts */ + +#define GSI_NUM_PINS IOAPIC_NUM_PINS + +typedef struct GSIState { + qemu_irq i8259_irq[ISA_NUM_IRQS]; + qemu_irq ioapic_irq[IOAPIC_NUM_PINS]; +} GSIState; + +qemu_irq x86_allocate_cpu_irq(void); +void gsi_handler(void *opaque, int n, int level); +void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name); + +/* hpet.c */ +extern int no_hpet; + #endif diff --git a/target/i386/kvm.c b/target/i386/kvm.c index c7ff67a..55e6265 100644 --- a/target/i386/kvm.c +++ b/target/i386/kvm.c @@ -35,7 +35,7 @@ #include "qemu/main-loop.h" #include "qemu/config-file.h" #include "qemu/error-report.h" -#include "hw/i386/pc.h" +#include "hw/i386/x86.h" #include "hw/i386/apic.h" #include "hw/i386/apic_internal.h" #include "hw/i386/apic-msidef.h" diff --git a/target/i386/machine.c b/target/i386/machine.c index 2699eed..b6720d8 100644 --- a/target/i386/machine.c +++ b/target/i386/machine.c @@ -1,10 +1,10 @@ #include "qemu/osdep.h" #include "cpu.h" #include "exec/exec-all.h" -#include "hw/i386/pc.h" #include "hw/isa/isa.h" #include "migration/cpu.h" #include "hyperv.h" +#include "hw/i386/x86.h" #include "kvm_i386.h" #include "sysemu/kvm.h"

[v2,6/8] x86: move more x86-generic functions out of PC files

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