aboutsummaryrefslogtreecommitdiff
path: root/arch/x86/include/asm/apic.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/include/asm/apic.h')
-rw-r--r--arch/x86/include/asm/apic.h33
1 files changed, 14 insertions, 19 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index 42f2f837742..bb7d4792584 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -107,8 +107,7 @@ extern u32 native_safe_apic_wait_icr_idle(void);
extern void native_apic_icr_write(u32 low, u32 id);
extern u64 native_apic_icr_read(void);
-#define EIM_8BIT_APIC_ID 0
-#define EIM_32BIT_APIC_ID 1
+extern int x2apic_mode;
#ifdef CONFIG_X86_X2APIC
/*
@@ -166,10 +165,9 @@ static inline u64 native_x2apic_icr_read(void)
return val;
}
-extern int x2apic, x2apic_phys;
+extern int x2apic_phys;
extern void check_x2apic(void);
extern void enable_x2apic(void);
-extern void enable_IR_x2apic(void);
extern void x2apic_icr_write(u32 low, u32 id);
static inline int x2apic_enabled(void)
{
@@ -183,6 +181,8 @@ static inline int x2apic_enabled(void)
return 1;
return 0;
}
+
+#define x2apic_supported() (cpu_has_x2apic)
#else
static inline void check_x2apic(void)
{
@@ -190,28 +190,20 @@ static inline void check_x2apic(void)
static inline void enable_x2apic(void)
{
}
-static inline void enable_IR_x2apic(void)
-{
-}
static inline int x2apic_enabled(void)
{
return 0;
}
-#define x2apic 0
-
+#define x2apic_preenabled 0
+#define x2apic_supported() 0
#endif
-extern int get_physical_broadcast(void);
+extern void enable_IR_x2apic(void);
-#ifdef CONFIG_X86_X2APIC
-static inline void ack_x2APIC_irq(void)
-{
- /* Docs say use 0 for future compatibility */
- native_apic_msr_write(APIC_EOI, 0);
-}
-#endif
+extern int get_physical_broadcast(void);
+extern void apic_disable(void);
extern int lapic_get_maxlvt(void);
extern void clear_local_APIC(void);
extern void connect_bsp_APIC(void);
@@ -252,7 +244,7 @@ static inline void lapic_shutdown(void) { }
#define local_apic_timer_c2_ok 1
static inline void init_apic_mappings(void) { }
static inline void disable_local_APIC(void) { }
-
+static inline void apic_disable(void) { }
#endif /* !CONFIG_X86_LOCAL_APIC */
#ifdef CONFIG_X86_64
@@ -410,7 +402,7 @@ static inline unsigned default_get_apic_id(unsigned long x)
{
unsigned int ver = GET_APIC_VERSION(apic_read(APIC_LVR));
- if (APIC_XAPIC(ver))
+ if (APIC_XAPIC(ver) || boot_cpu_has(X86_FEATURE_EXTD_APICID))
return (x >> 24) & 0xFF;
else
return (x >> 24) & 0x0F;
@@ -478,6 +470,9 @@ static inline unsigned int read_apic_id(void)
extern void default_setup_apic_routing(void);
#ifdef CONFIG_X86_32
+
+extern struct apic apic_default;
+
/*
* Set up the logical destination ID.
*