extract/unify the constant 0xfee00000 as APIC_DEFAULT_ADDRESS

A common dependency of the constant's current users:
- hw/apic_common.c
- hw/i386/kvmvapic.c
- target-i386/cpu.c
is "target-i386/cpu.h".

Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1363821803-3380-9-git-send-email-lersek@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

hw/apic_common.c

diff --git a/hw/apic_common.c b/hw/apic_common.c
index d0c2616..3798509 100644
--- a/hw/apic_common.c
+++ b/hw/apic_common.c
@@ -218,7 +218,7 @@
     bool bsp;
 
     bsp = cpu_is_bsp(s->cpu);
-    s->apicbase = 0xfee00000 |
+    s->apicbase = APIC_DEFAULT_ADDRESS |
         (bsp ? MSR_IA32_APICBASE_BSP : 0) | MSR_IA32_APICBASE_ENABLE;
 
     s->vapic_paddr = 0;

hw/i386/kvmvapic.c

diff --git a/hw/i386/kvmvapic.c b/hw/i386/kvmvapic.c
index c151c95..cc95e5c 100644
--- a/hw/i386/kvmvapic.c
+++ b/hw/i386/kvmvapic.c
@@ -13,8 +13,6 @@
 #include "sysemu/kvm.h"
 #include "hw/apic_internal.h"
 
-#define APIC_DEFAULT_ADDRESS    0xfee00000
-
 #define VAPIC_IO_PORT           0x7e
 
 #define VAPIC_CPU_SHIFT         7

target-i386/cpu.c

diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index bf717d5..69c3570 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -2049,8 +2049,6 @@
     }
 }
 
-#define MSI_ADDR_BASE 0xfee00000
-
 #ifndef CONFIG_USER_ONLY
 static void x86_cpu_apic_init(X86CPU *cpu, Error **errp)
 {
@@ -2090,7 +2088,7 @@
            on the global memory bus. */
         /* XXX: what if the base changes? */
         sysbus_mmio_map_overlap(SYS_BUS_DEVICE(env->apic_state), 0,
-                                MSI_ADDR_BASE, 0x1000);
+                                APIC_DEFAULT_ADDRESS, 0x1000);
         apic_mapped = 1;
     }
 }

target-i386/cpu.h

diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 5284ebc..069a2e2 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -1267,4 +1267,6 @@
 uint32_t x86_cpu_apic_id_from_index(unsigned int cpu_index);
 void enable_compat_apic_id_mode(void);
 
+#define APIC_DEFAULT_ADDRESS 0xfee00000
+
 #endif /* CPU_I386_H */