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| author |   Christophe Leroy <christophe.leroy@csgroup.eu> | 2020-11-27 00:10:00 +1100 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2020-12-04 01:01:10 +1100 |
| commit | d26b3817d9eefae6b777739c1ea5daba5e72624e (patch) | |
| tree | 04a752c94480f46bb3164c101585ec1d2604ad4e /arch/powerpc/include/asm/reg.h | |
| parent | powerpc/processor: Move cpu_relax() into asm/vdso/processor.h (diff) | |
| download | linux-dev-d26b3817d9eefae6b777739c1ea5daba5e72624e.tar.xz linux-dev-d26b3817d9eefae6b777739c1ea5daba5e72624e.zip | |
powerpc/time: Move timebase functions into new asm/vdso/timebase.h
In order to easily use get_tb() from C VDSO, move timebase
functions into a new header named asm/vdso/timebase.h
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201126131006.2431205-3-mpe@ellerman.id.au
Diffstat (limited to 'arch/powerpc/include/asm/reg.h')
| -rw-r--r-- | arch/powerpc/include/asm/reg.h | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index f877a576b338..602236e223c4 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -1419,37 +1419,6 @@ static inline void msr_check_and_clear(unsigned long bits) __msr_check_and_clear(bits); } -#if defined(CONFIG_PPC_CELL) || defined(CONFIG_E500) -#define mftb() ({unsigned long rval; \ - asm volatile( \ - "90: mfspr %0, %2;\n" \ - ASM_FTR_IFSET( \ - "97: cmpwi %0,0;\n" \ - " beq- 90b;\n", "", %1) \ - : "=r" (rval) \ - : "i" (CPU_FTR_CELL_TB_BUG), "i" (SPRN_TBRL) : "cr0"); \ - rval;}) -#elif defined(CONFIG_PPC_8xx) -#define mftb() ({unsigned long rval; \ - asm volatile("mftbl %0" : "=r" (rval)); rval;}) -#else -#define mftb() ({unsigned long rval; \ - asm volatile("mfspr %0, %1" : \ - "=r" (rval) : "i" (SPRN_TBRL)); rval;}) -#endif /* !CONFIG_PPC_CELL */ - -#if defined(CONFIG_PPC_8xx) -#define mftbu() ({unsigned long rval; \ - asm volatile("mftbu %0" : "=r" (rval)); rval;}) -#else -#define mftbu() ({unsigned long rval; \ - asm volatile("mfspr %0, %1" : "=r" (rval) : \ - "i" (SPRN_TBRU)); rval;}) -#endif - -#define mttbl(v) asm volatile("mttbl %0":: "r"(v)) -#define mttbu(v) asm volatile("mttbu %0":: "r"(v)) - #ifdef CONFIG_PPC32 #define mfsrin(v) ({unsigned int rval; \ asm volatile("mfsrin %0,%1" : "=r" (rval) : "r" (v)); \ |