diff options
Diffstat (limited to 'arch/x86/include/asm/time.h')
-rw-r--r-- | arch/x86/include/asm/time.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/x86/include/asm/time.h b/arch/x86/include/asm/time.h new file mode 100644 index 000000000000..50c733aac421 --- /dev/null +++ b/arch/x86/include/asm/time.h | |||
@@ -0,0 +1,63 @@ | |||
1 | #ifndef _ASM_X86_TIME_H | ||
2 | #define _ASM_X86_TIME_H | ||
3 | |||
4 | extern void hpet_time_init(void); | ||
5 | |||
6 | #include <asm/mc146818rtc.h> | ||
7 | #ifdef CONFIG_X86_32 | ||
8 | #include <linux/efi.h> | ||
9 | |||
10 | static inline unsigned long native_get_wallclock(void) | ||
11 | { | ||
12 | unsigned long retval; | ||
13 | |||
14 | if (efi_enabled) | ||
15 | retval = efi_get_time(); | ||
16 | else | ||
17 | retval = mach_get_cmos_time(); | ||
18 | |||
19 | return retval; | ||
20 | } | ||
21 | |||
22 | static inline int native_set_wallclock(unsigned long nowtime) | ||
23 | { | ||
24 | int retval; | ||
25 | |||
26 | if (efi_enabled) | ||
27 | retval = efi_set_rtc_mmss(nowtime); | ||
28 | else | ||
29 | retval = mach_set_rtc_mmss(nowtime); | ||
30 | |||
31 | return retval; | ||
32 | } | ||
33 | |||
34 | #else | ||
35 | extern void native_time_init_hook(void); | ||
36 | |||
37 | static inline unsigned long native_get_wallclock(void) | ||
38 | { | ||
39 | return mach_get_cmos_time(); | ||
40 | } | ||
41 | |||
42 | static inline int native_set_wallclock(unsigned long nowtime) | ||
43 | { | ||
44 | return mach_set_rtc_mmss(nowtime); | ||
45 | } | ||
46 | |||
47 | #endif | ||
48 | |||
49 | extern void time_init(void); | ||
50 | |||
51 | #ifdef CONFIG_PARAVIRT | ||
52 | #include <asm/paravirt.h> | ||
53 | #else /* !CONFIG_PARAVIRT */ | ||
54 | |||
55 | #define get_wallclock() native_get_wallclock() | ||
56 | #define set_wallclock(x) native_set_wallclock(x) | ||
57 | #define choose_time_init() hpet_time_init | ||
58 | |||
59 | #endif /* CONFIG_PARAVIRT */ | ||
60 | |||
61 | extern unsigned long __init calibrate_cpu(void); | ||
62 | |||
63 | #endif /* _ASM_X86_TIME_H */ | ||