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

[Paolo Bonzini <pbonzini@redhat.com>]

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>
---
 hw/i386/acpi-build.c  |   1 +
 hw/i386/fw_cfg.c      |   1 -
 hw/i386/fw_cfg.h      |   2 +
 hw/i386/kvm/ioapic.c  |   2 +-
 hw/i386/microvm.c     |   3 +-
 hw/i386/pc.c          | 101 +-------------------------------------------------
 hw/i386/x86.c         | 100 +++++++++++++++++++++++++++++++++++++++++++++++++
 include/hw/i386/pc.h  |  20 ----------
 include/hw/i386/x86.h |  18 +++++++++
 target/i386/kvm.c     |   2 +-
 target/i386/machine.c |   2 +-
 11 files changed, 126 insertions(+), 126 deletions(-)

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"
-- 
1.8.3.1