diff options
| author | Jacob Shin <jacob.w.shin@gmail.com> | 2006-06-26 13:58:47 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-26 10:48:20 -0700 |
| commit | 17fc14ff1bdbc393e1cf4f6fd1e1e53d72ab9fe5 (patch) | |
| tree | 9992a9079f4792f423f1e421d93814509b2c7d88 | |
| parent | c38bfdc85aae0c6d1458269c0e063c2f4a116711 (diff) | |
[PATCH] x86_64: apic support for extended apic interrupt
Add support for extended APIC LVT found in future AMD processors.
Signed-off-by: Jacob Shin <jacob.shin@amd.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/x86_64/kernel/apic.c | 10 | ||||
| -rw-r--r-- | include/asm-x86_64/apic.h | 11 |
2 files changed, 14 insertions, 7 deletions
diff --git a/arch/x86_64/kernel/apic.c b/arch/x86_64/kernel/apic.c index 53fc17d894e..396e125cb21 100644 --- a/arch/x86_64/kernel/apic.c +++ b/arch/x86_64/kernel/apic.c @@ -909,15 +909,13 @@ int setup_profiling_timer(unsigned int multiplier) return -EINVAL; } -#ifdef CONFIG_X86_MCE_AMD -void setup_threshold_lvt(unsigned long lvt_off) +void setup_APIC_extened_lvt(unsigned char lvt_off, unsigned char vector, + unsigned char msg_type, unsigned char mask) { - unsigned int v = 0; - unsigned long reg = (lvt_off << 4) + 0x500; - v |= THRESHOLD_APIC_VECTOR; + unsigned long reg = (lvt_off << 4) + K8_APIC_EXT_LVT_BASE; + unsigned int v = (mask << 16) | (msg_type << 8) | vector; apic_write(reg, v); } -#endif /* CONFIG_X86_MCE_AMD */ #undef APIC_DIVISOR diff --git a/include/asm-x86_64/apic.h b/include/asm-x86_64/apic.h index c9e6c2501a4..9d43ac8519b 100644 --- a/include/asm-x86_64/apic.h +++ b/include/asm-x86_64/apic.h @@ -84,9 +84,18 @@ extern void disable_APIC_timer(void); extern void enable_APIC_timer(void); extern void clustered_apic_check(void); +extern void setup_APIC_extened_lvt(unsigned char lvt_off, unsigned char vector, + unsigned char msg_type, unsigned char mask); + +#define K8_APIC_EXT_LVT_BASE 0x500 +#define K8_APIC_EXT_INT_MSG_FIX 0x0 +#define K8_APIC_EXT_INT_MSG_SMI 0x2 +#define K8_APIC_EXT_INT_MSG_NMI 0x4 +#define K8_APIC_EXT_INT_MSG_EXT 0x7 +#define K8_APIC_EXT_LVT_ENTRY_THRESHOLD 0 + extern int disable_timer_pin_1; -extern void setup_threshold_lvt(unsigned long lvt_off); void smp_send_timer_broadcast_ipi(void); void switch_APIC_timer_to_ipi(void *cpumask); |