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x86: move more x86-generic functions out of PC files

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These are needed by microvm too, so move them outside of PC-specific files.
With this patch, microvm.c need not include pc.h anymore.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2019-12-12 14:14:40 +01:00
parent 4ca8dabdb8
commit 89a289c7e9
12 changed files with 133 additions and 128 deletions
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1
hw/i386/acpi-build.c
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@ -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"

1
hw/i386/fw_cfg.c
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@ -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"

2
hw/i386/fw_cfg.h
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@ -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)

2
hw/i386/kvm/ioapic.c
View File

@ -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"

3
hw/i386/microvm.c
View File

@ -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];
}

101
hw/i386/pc.c
View File

@ -337,17 +337,6 @@ 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;
trace_pc_gsi_interrupt(n, level);
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;
@ -387,55 +376,6 @@ 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);
trace_pc_pic_interrupt(irq, level);
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
@ -879,16 +819,6 @@ 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;
@ -1284,11 +1214,6 @@ 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;
@ -1465,7 +1390,7 @@ 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++) {
@ -1475,30 +1400,6 @@ 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)
{

6
hw/i386/trace-events
View File

@ -112,8 +112,10 @@ amdvi_ir_irte_ga_val(uint64_t hi, uint64_t lo) "hi 0x%"PRIx64" lo 0x%"PRIx64
vmport_register(unsigned char command, void *func, void *opaque) "command: 0x%02x func: %p opaque: %p"
vmport_command(unsigned char command) "command: 0x%02x"
# x86.c
x86_gsi_interrupt(int irqn, int level) "GSI interrupt #%d level:%d"
x86_pic_interrupt(int irqn, int level) "PIC interrupt #%d level:%d"
# pc.c
pc_gsi_interrupt(int irqn, int level) "GSI interrupt #%d level:%d"
pc_pic_interrupt(int irqn, int level) "PIC interrupt #%d level:%d"
port92_read(uint8_t val) "port92: read 0x%02x"
port92_write(uint8_t val) "port92: write 0x%02x"

103
hw/i386/x86.c
View File

@ -34,6 +34,7 @@
#include "sysemu/numa.h"
#include "sysemu/replay.h"
#include "sysemu/sysemu.h"
#include "trace.h"
#include "hw/i386/x86.h"
#include "target/i386/cpu.h"
@ -42,11 +43,14 @@
#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 +225,105 @@ 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);
trace_x86_pic_interrupt(irq, level);
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;
trace_x86_gsi_interrupt(n, level);
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;

20
include/hw/i386/pc.h
View File

@ -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);

18
include/hw/i386/x86.h
View File

@ -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

2
target/i386/kvm.c
View File

@ -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"

2
target/i386/machine.c
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@ -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"