diff options
Diffstat (limited to 'include/asm-powerpc/timex.h')
| -rw-r--r-- | include/asm-powerpc/timex.h | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/include/asm-powerpc/timex.h b/include/asm-powerpc/timex.h index 3b9a8e786806..92dedde761d1 100644 --- a/include/asm-powerpc/timex.h +++ b/include/asm-powerpc/timex.h | |||
| @@ -8,6 +8,7 @@ | |||
| 8 | */ | 8 | */ |
| 9 | 9 | ||
| 10 | #include <asm/cputable.h> | 10 | #include <asm/cputable.h> |
| 11 | #include <asm/reg.h> | ||
| 11 | 12 | ||
| 12 | #define CLOCK_TICK_RATE 1024000 /* Underlying HZ */ | 13 | #define CLOCK_TICK_RATE 1024000 /* Underlying HZ */ |
| 13 | 14 | ||
| @@ -15,13 +16,11 @@ typedef unsigned long cycles_t; | |||
| 15 | 16 | ||
| 16 | static inline cycles_t get_cycles(void) | 17 | static inline cycles_t get_cycles(void) |
| 17 | { | 18 | { |
| 18 | cycles_t ret; | ||
| 19 | |||
| 20 | #ifdef __powerpc64__ | 19 | #ifdef __powerpc64__ |
| 21 | 20 | return mftb(); | |
| 22 | __asm__ __volatile__("mftb %0" : "=r" (ret) : ); | ||
| 23 | |||
| 24 | #else | 21 | #else |
| 22 | cycles_t ret; | ||
| 23 | |||
| 25 | /* | 24 | /* |
| 26 | * For the "cycle" counter we use the timebase lower half. | 25 | * For the "cycle" counter we use the timebase lower half. |
| 27 | * Currently only used on SMP. | 26 | * Currently only used on SMP. |
| @@ -30,18 +29,19 @@ static inline cycles_t get_cycles(void) | |||
| 30 | ret = 0; | 29 | ret = 0; |
| 31 | 30 | ||
| 32 | __asm__ __volatile__( | 31 | __asm__ __volatile__( |
| 33 | "98: mftb %0\n" | 32 | "97: mftb %0\n" |
| 34 | "99:\n" | 33 | "99:\n" |
| 35 | ".section __ftr_fixup,\"a\"\n" | 34 | ".section __ftr_fixup,\"a\"\n" |
| 35 | ".align 2\n" | ||
| 36 | "98:\n" | ||
| 36 | " .long %1\n" | 37 | " .long %1\n" |
| 37 | " .long 0\n" | 38 | " .long 0\n" |
| 38 | " .long 98b\n" | 39 | " .long 97b-98b\n" |
| 39 | " .long 99b\n" | 40 | " .long 99b-98b\n" |
| 40 | ".previous" | 41 | ".previous" |
| 41 | : "=r" (ret) : "i" (CPU_FTR_601)); | 42 | : "=r" (ret) : "i" (CPU_FTR_601)); |
| 42 | #endif | ||
| 43 | |||
| 44 | return ret; | 43 | return ret; |
| 44 | #endif | ||
| 45 | } | 45 | } |
| 46 | 46 | ||
| 47 | #endif /* __KERNEL__ */ | 47 | #endif /* __KERNEL__ */ |
