diff options
Diffstat (limited to 'include/asm-powerpc/time.h')
| -rw-r--r-- | include/asm-powerpc/time.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/include/asm-powerpc/time.h b/include/asm-powerpc/time.h index 99bfe328176..410e795f7d4 100644 --- a/include/asm-powerpc/time.h +++ b/include/asm-powerpc/time.h @@ -30,7 +30,8 @@ extern unsigned long tb_ticks_per_usec; extern unsigned long tb_ticks_per_sec; extern u64 tb_to_xs; extern unsigned tb_to_us; -extern u64 tb_last_stamp; +extern unsigned long tb_last_stamp; +extern u64 tb_last_jiffy; DECLARE_PER_CPU(unsigned long, last_jiffy); @@ -113,6 +114,17 @@ static inline unsigned int get_rtcl(void) return rtcl; } +static inline u64 get_rtc(void) +{ + unsigned int hi, lo, hi2; + + do { + asm volatile("mfrtcu %0; mfrtcl %1; mfrtcu %2" + : "=r" (hi), "=r" (lo), "=r" (hi2)); + } while (hi2 != hi); + return (u64)hi * 1000000000 + lo; +} + #ifdef CONFIG_PPC64 static inline u64 get_tb(void) { |