diff options
Diffstat (limited to 'sys/powerpc/include/cpufunc.h')
| -rw-r--r-- | sys/powerpc/include/cpufunc.h | 38 |
1 files changed, 31 insertions, 7 deletions
diff --git a/sys/powerpc/include/cpufunc.h b/sys/powerpc/include/cpufunc.h index 66b5df38ad6f..2bf1161a29f9 100644 --- a/sys/powerpc/include/cpufunc.h +++ b/sys/powerpc/include/cpufunc.h @@ -71,7 +71,7 @@ mtmsr(register_t value) static __inline register_t mfmsr(void) { - register_t value; + register_t value; __asm __volatile ("mfmsr %0" : "=r"(value)); @@ -88,7 +88,7 @@ mtsrin(vm_offset_t va, register_t value) static __inline register_t mfsrin(vm_offset_t va) { - register_t value; + register_t value; __asm __volatile ("mfsrin %0,%1" : "=r"(value) : "r"(va)); @@ -105,7 +105,7 @@ mtdec(register_t value) static __inline register_t mfdec(void) { - register_t value; + register_t value; __asm __volatile ("mfdec %0" : "=r"(value)); @@ -115,13 +115,37 @@ mfdec(void) static __inline register_t mfpvr(void) { - register_t value; + register_t value; __asm __volatile ("mfpvr %0" : "=r"(value)); return (value); } +static __inline u_quad_t +mftb(void) +{ + u_quad_t tb; + uint32_t *tbup = (uint32_t *)&tb; + uint32_t *tblp = tbup + 1; + + do { + *tbup = mfspr(TBR_TBU); + *tblp = mfspr(TBR_TBL); + } while (*tbup != mfspr(TBR_TBU)); + + return (tb); +} + +static __inline void +mttb(u_quad_t time) +{ + + mtspr(TBR_TBWL, 0); + mtspr(TBR_TBWU, (uint32_t)(time >> 32)); + mtspr(TBR_TBWL, (uint32_t)(time & 0xffffffff)); +} + static __inline void eieio(void) { @@ -146,7 +170,7 @@ powerpc_sync(void) static __inline register_t intr_disable(void) { - register_t msr; + register_t msr; msr = mfmsr(); mtmsr(msr & ~PSL_EE); @@ -163,11 +187,11 @@ intr_restore(register_t msr) static __inline struct pcpu * powerpc_get_pcpup(void) { - struct pcpu *ret; + struct pcpu *ret; __asm __volatile("mfsprg %0, 0" : "=r"(ret)); - return(ret); + return (ret); } #endif /* _KERNEL */ |