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[Qemu-devel] [PATCH] pc: apic: introduce APIC macro
From: |
Wanpeng Li |
Subject: |
[Qemu-devel] [PATCH] pc: apic: introduce APIC macro |
Date: |
Thu, 15 Sep 2016 08:43:33 +0800 |
From: Wanpeng Li <address@hidden>
Introduce a new APIC macro to replace APIC_COMMON macro in
hw/intc/apic.c in order to capture access LAPIC in qemu
even if LAPIC is emulated in kvm.
Suggested-by: Paolo Bonzini <address@hidden>
Cc: Paolo Bonzini <address@hidden>
Cc: Radim Krčmář <address@hidden>
Cc: Michael S. Tsirkin <address@hidden>
Cc: Eduardo Habkost <address@hidden>
Signed-off-by: Wanpeng Li <address@hidden>
---
hw/intc/apic.c | 20 ++++++++++----------
include/hw/i386/apic_internal.h | 4 ++++
2 files changed, 14 insertions(+), 10 deletions(-)
diff --git a/hw/intc/apic.c b/hw/intc/apic.c
index 45887d9..577f095 100644
--- a/hw/intc/apic.c
+++ b/hw/intc/apic.c
@@ -163,7 +163,7 @@ static void apic_local_deliver(APICCommonState *s, int
vector)
void apic_deliver_pic_intr(DeviceState *dev, int level)
{
- APICCommonState *s = APIC_COMMON(dev);
+ APICCommonState *s = APIC(dev);
if (level) {
apic_local_deliver(s, APIC_LVT_LINT0);
@@ -373,7 +373,7 @@ static void apic_update_irq(APICCommonState *s)
void apic_poll_irq(DeviceState *dev)
{
- APICCommonState *s = APIC_COMMON(dev);
+ APICCommonState *s = APIC(dev);
apic_sync_vapic(s, SYNC_FROM_VAPIC);
apic_update_irq(s);
@@ -479,7 +479,7 @@ static void apic_startup(APICCommonState *s, int vector_num)
void apic_sipi(DeviceState *dev)
{
- APICCommonState *s = APIC_COMMON(dev);
+ APICCommonState *s = APIC(dev);
cpu_reset_interrupt(CPU(s->cpu), CPU_INTERRUPT_SIPI);
@@ -493,7 +493,7 @@ static void apic_deliver(DeviceState *dev, uint8_t dest,
uint8_t dest_mode,
uint8_t delivery_mode, uint8_t vector_num,
uint8_t trigger_mode)
{
- APICCommonState *s = APIC_COMMON(dev);
+ APICCommonState *s = APIC(dev);
uint32_t deliver_bitmask[MAX_APIC_WORDS];
int dest_shorthand = (s->icr[0] >> 18) & 3;
APICCommonState *apic_iter;
@@ -550,7 +550,7 @@ static bool apic_check_pic(APICCommonState *s)
int apic_get_interrupt(DeviceState *dev)
{
- APICCommonState *s = APIC_COMMON(dev);
+ APICCommonState *s = APIC(dev);
int intno;
/* if the APIC is installed or enabled, we let the 8259 handle the
@@ -584,7 +584,7 @@ int apic_get_interrupt(DeviceState *dev)
int apic_accept_pic_intr(DeviceState *dev)
{
- APICCommonState *s = APIC_COMMON(dev);
+ APICCommonState *s = APIC(dev);
uint32_t lvt0;
if (!s)
@@ -663,7 +663,7 @@ static uint32_t apic_mem_readl(void *opaque, hwaddr addr)
if (!dev) {
return 0;
}
- s = APIC_COMMON(dev);
+ s = APIC(dev);
index = (addr >> 4) & 0xff;
switch(index) {
@@ -766,7 +766,7 @@ static void apic_mem_writel(void *opaque, hwaddr addr,
uint32_t val)
if (!dev) {
return;
}
- s = APIC_COMMON(dev);
+ s = APIC(dev);
trace_apic_mem_writel(addr, val);
@@ -870,7 +870,7 @@ static const MemoryRegionOps apic_io_ops = {
static void apic_realize(DeviceState *dev, Error **errp)
{
- APICCommonState *s = APIC_COMMON(dev);
+ APICCommonState *s = APIC(dev);
if (s->id >= MAX_APICS) {
error_setg(errp, "%s initialization failed. APIC ID %d is invalid",
@@ -889,7 +889,7 @@ static void apic_realize(DeviceState *dev, Error **errp)
static void apic_unrealize(DeviceState *dev, Error **errp)
{
- APICCommonState *s = APIC_COMMON(dev);
+ APICCommonState *s = APIC(dev);
timer_del(s->timer);
timer_free(s->timer);
diff --git a/include/hw/i386/apic_internal.h b/include/hw/i386/apic_internal.h
index 06c4e9f..5e36016 100644
--- a/include/hw/i386/apic_internal.h
+++ b/include/hw/i386/apic_internal.h
@@ -131,6 +131,10 @@ typedef struct APICCommonState APICCommonState;
#define APIC_COMMON_GET_CLASS(obj) \
OBJECT_GET_CLASS(APICCommonClass, (obj), TYPE_APIC_COMMON)
+#define TYPE_APIC "apic"
+#define APIC(obj) \
+ OBJECT_CHECK(APICCommonState, (obj), TYPE_APIC)
+
typedef struct APICCommonClass
{
DeviceClass parent_class;
--
1.9.1
- [Qemu-devel] [PATCH] pc: apic: introduce APIC macro,
Wanpeng Li <=