diff options
Diffstat (limited to 'arch/powerpc/include')
-rw-r--r-- | arch/powerpc/include/asm/ppc_asm.h | 4 | ||||
-rw-r--r-- | arch/powerpc/include/asm/reg.h | 15 | ||||
-rw-r--r-- | arch/powerpc/include/asm/timex.h | 4 |
3 files changed, 14 insertions, 9 deletions
diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h index 8fdd3da134e0..599545738af3 100644 --- a/arch/powerpc/include/asm/ppc_asm.h +++ b/arch/powerpc/include/asm/ppc_asm.h @@ -433,13 +433,13 @@ END_FTR_SECTION_IFSET(CPU_FTR_601) #if defined(CONFIG_PPC_CELL) || defined(CONFIG_PPC_FSL_BOOK3E) #define MFTB(dest) \ -90: mftb dest; \ +90: mfspr dest, SPRN_TBRL; \ BEGIN_FTR_SECTION_NESTED(96); \ cmpwi dest,0; \ beq- 90b; \ END_FTR_SECTION_NESTED(CPU_FTR_CELL_TB_BUG, CPU_FTR_CELL_TB_BUG, 96) #else -#define MFTB(dest) mftb dest +#define MFTB(dest) mfspr dest, SPRN_TBRL #endif #ifndef CONFIG_SMP diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index 55b03079d197..64264bf601f5 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -1120,7 +1120,7 @@ #if defined(CONFIG_PPC_CELL) || defined(CONFIG_PPC_FSL_BOOK3E) #define mftb() ({unsigned long rval; \ asm volatile( \ - "90: mftb %0;\n" \ + "90: mfspr %0, %2;\n" \ "97: cmpwi %0,0;\n" \ " beq- 90b;\n" \ "99:\n" \ @@ -1134,18 +1134,23 @@ " .llong 0\n" \ " .llong 0\n" \ ".previous" \ - : "=r" (rval) : "i" (CPU_FTR_CELL_TB_BUG)); rval;}) + : "=r" (rval) \ + : "i" (CPU_FTR_CELL_TB_BUG), "i" (SPRN_TBRL)); \ + rval;}) #else #define mftb() ({unsigned long rval; \ - asm volatile("mftb %0" : "=r" (rval)); rval;}) + asm volatile("mfspr %0, %1" : \ + "=r" (rval) : "i" (SPRN_TBRL)); rval;}) #endif /* !CONFIG_PPC_CELL */ #else /* __powerpc64__ */ #define mftbl() ({unsigned long rval; \ - asm volatile("mftbl %0" : "=r" (rval)); rval;}) + asm volatile("mfspr %0, %1" : "=r" (rval) : \ + "i" (SPRN_TBRL)); rval;}) #define mftbu() ({unsigned long rval; \ - asm volatile("mftbu %0" : "=r" (rval)); rval;}) + asm volatile("mfspr %0, %1" : "=r" (rval) : \ + "i" (SPRN_TBRU)); rval;}) #endif /* !__powerpc64__ */ #define mttbl(v) asm volatile("mttbl %0":: "r"(v)) diff --git a/arch/powerpc/include/asm/timex.h b/arch/powerpc/include/asm/timex.h index c55e14f7ef44..18908caa1f3b 100644 --- a/arch/powerpc/include/asm/timex.h +++ b/arch/powerpc/include/asm/timex.h @@ -29,7 +29,7 @@ static inline cycles_t get_cycles(void) ret = 0; __asm__ __volatile__( - "97: mftb %0\n" + "97: mfspr %0, %2\n" "99:\n" ".section __ftr_fixup,\"a\"\n" ".align 2\n" @@ -41,7 +41,7 @@ static inline cycles_t get_cycles(void) " .long 0\n" " .long 0\n" ".previous" - : "=r" (ret) : "i" (CPU_FTR_601)); + : "=r" (ret) : "i" (CPU_FTR_601), "i" (SPRN_TBRL)); return ret; #endif } |