diff options
Diffstat (limited to 'arch/powerpc/include/asm/timex.h')
| -rw-r--r-- | arch/powerpc/include/asm/timex.h | 39 |
1 files changed, 3 insertions, 36 deletions
diff --git a/arch/powerpc/include/asm/timex.h b/arch/powerpc/include/asm/timex.h index 2cf846edb3fc..14b4489de52c 100644 --- a/arch/powerpc/include/asm/timex.h +++ b/arch/powerpc/include/asm/timex.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_POWERPC_TIMEX_H #define _ASM_POWERPC_TIMEX_H @@ -8,7 +9,7 @@ */ #include <asm/cputable.h> -#include <asm/reg.h> +#include <asm/vdso/timebase.h> #define CLOCK_TICK_RATE 1024000 /* Underlying HZ */ @@ -16,43 +17,9 @@ typedef unsigned long cycles_t; static inline cycles_t get_cycles(void) { -#ifdef __powerpc64__ return mftb(); -#else - cycles_t ret; - - /* - * For the "cycle" counter we use the timebase lower half. - * Currently only used on SMP. - */ - - ret = 0; - - __asm__ __volatile__( -#ifdef CONFIG_8xx - "97: mftb %0\n" -#else - "97: mfspr %0, %2\n" -#endif - "99:\n" - ".section __ftr_fixup,\"a\"\n" - ".align 2\n" - "98:\n" - " .long %1\n" - " .long 0\n" - " .long 97b-98b\n" - " .long 99b-98b\n" - " .long 0\n" - " .long 0\n" - ".previous" -#ifdef CONFIG_8xx - : "=r" (ret) : "i" (CPU_FTR_601)); -#else - : "=r" (ret) : "i" (CPU_FTR_601), "i" (SPRN_TBRL)); -#endif - return ret; -#endif } +#define get_cycles get_cycles #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_TIMEX_H */ |