diff options
author | john stultz <johnstul@us.ibm.com> | 2007-02-16 04:28:19 -0500 |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-16 11:14:00 -0500 |
commit | c37e7bb5d2ce36ef377caabfced0b132bb1bf6a7 (patch) | |
tree | 3cc175f6922e7921bad5e588dd3046db1a67f996 /include | |
parent | 2d0c87c3bc49c60ab5bbac401fb1ef37ff10bbe2 (diff) |
[PATCH] time: x86_64: split x86_64/kernel/time.c up
In preparation for the x86_64 generic time conversion, this patch splits out
TSC and HPET related code from arch/x86_64/kernel/time.c into respective
hpet.c and tsc.c files.
[akpm@osdl.org: fix printk timestamps]
[akpm@osdl.org: cleanup]
Signed-off-by: John Stultz <johnstul@us.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Andi Kleen <ak@muc.de>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
-rw-r--r-- | include/asm-x86_64/hpet.h | 6 | ||||
-rw-r--r-- | include/asm-x86_64/timex.h | 11 |
2 files changed, 17 insertions, 0 deletions
diff --git a/include/asm-x86_64/hpet.h b/include/asm-x86_64/hpet.h index 60d51274fcf9..59a66f084611 100644 --- a/include/asm-x86_64/hpet.h +++ b/include/asm-x86_64/hpet.h | |||
@@ -56,9 +56,15 @@ | |||
56 | extern int is_hpet_enabled(void); | 56 | extern int is_hpet_enabled(void); |
57 | extern int hpet_rtc_timer_init(void); | 57 | extern int hpet_rtc_timer_init(void); |
58 | extern int apic_is_clustered_box(void); | 58 | extern int apic_is_clustered_box(void); |
59 | extern int hpet_arch_init(void); | ||
60 | extern int hpet_timer_stop_set_go(unsigned long tick); | ||
61 | extern int hpet_reenable(void); | ||
62 | extern unsigned int hpet_calibrate_tsc(void); | ||
59 | 63 | ||
60 | extern int hpet_use_timer; | 64 | extern int hpet_use_timer; |
61 | extern unsigned long hpet_address; | 65 | extern unsigned long hpet_address; |
66 | extern unsigned long hpet_period; | ||
67 | extern unsigned long hpet_tick; | ||
62 | 68 | ||
63 | #ifdef CONFIG_HPET_EMULATE_RTC | 69 | #ifdef CONFIG_HPET_EMULATE_RTC |
64 | extern int hpet_mask_rtc_irq_bit(unsigned long bit_mask); | 70 | extern int hpet_mask_rtc_irq_bit(unsigned long bit_mask); |
diff --git a/include/asm-x86_64/timex.h b/include/asm-x86_64/timex.h index a4493a77d641..a0174757aee2 100644 --- a/include/asm-x86_64/timex.h +++ b/include/asm-x86_64/timex.h | |||
@@ -20,6 +20,17 @@ | |||
20 | extern int read_current_timer(unsigned long *timer_value); | 20 | extern int read_current_timer(unsigned long *timer_value); |
21 | #define ARCH_HAS_READ_CURRENT_TIMER 1 | 21 | #define ARCH_HAS_READ_CURRENT_TIMER 1 |
22 | 22 | ||
23 | #define USEC_PER_TICK (USEC_PER_SEC / HZ) | ||
24 | #define NSEC_PER_TICK (NSEC_PER_SEC / HZ) | ||
25 | #define FSEC_PER_TICK (FSEC_PER_SEC / HZ) | ||
26 | |||
27 | #define NS_SCALE 10 /* 2^10, carefully chosen */ | ||
28 | #define US_SCALE 32 /* 2^32, arbitralrily chosen */ | ||
29 | |||
23 | extern struct vxtime_data vxtime; | 30 | extern struct vxtime_data vxtime; |
24 | 31 | ||
32 | extern unsigned int do_gettimeoffset_hpet(void); | ||
33 | extern unsigned int do_gettimeoffset_tsc(void); | ||
34 | extern void set_cyc2ns_scale(unsigned long khz); | ||
35 | extern int notsc; | ||
25 | #endif | 36 | #endif |