/* * Copyright (C) 1996 Paul Mackerras. */ #include #define GETREG(reg) \ static inline int get_ ## reg (void) \ { int ret; asm volatile ("mf" #reg " %0" : "=r" (ret) :); return ret; } #define SETREG(reg) \ static inline void set_ ## reg (int val) \ { asm volatile ("mt" #reg " %0" : : "r" (val)); } GETREG(msr) SETREG(msr) GETREG(cr) #define GSETSPR(n, name) \ static inline int get_ ## name (void) \ { int ret; asm volatile ("mfspr %0," #n : "=r" (ret) : ); return ret; } \ static inline void set_ ## name (int val) \ { asm volatile ("mtspr " #n ",%0" : : "r" (val)); } GSETSPR(0, mq) GSETSPR(1, xer) GSETSPR(4, rtcu) GSETSPR(5, rtcl) GSETSPR(8, lr) GSETSPR(9, ctr) GSETSPR(18, dsisr) GSETSPR(19, dar) GSETSPR(22, dec) GSETSPR(25, sdr1) GSETSPR(26, srr0) GSETSPR(27, srr1) GSETSPR(272, sprg0) GSETSPR(273, sprg1) GSETSPR(274, sprg2) GSETSPR(275, sprg3) GSETSPR(282, ear) GSETSPR(287, pvr) #ifndef CONFIG_8xx GSETSPR(528, bat0u) GSETSPR(529, bat0l) GSETSPR(530, bat1u) GSETSPR(531, bat1l) GSETSPR(532, bat2u) GSETSPR(533, bat2l) GSETSPR(534, bat3u) GSETSPR(535, bat3l) GSETSPR(1008, hid0) GSETSPR(1009, hid1) GSETSPR(1010, iabr) GSETSPR(1013, dabr) GSETSPR(1023, pir) #else GSETSPR(144, cmpa) GSETSPR(145, cmpb) GSETSPR(146, cmpc) GSETSPR(147, cmpd) GSETSPR(158, ictrl) #endif static inline int get_sr(int n) { int ret; asm (" mfsrin %0,%1" : "=r" (ret) : "r" (n << 28)); return ret; } static inline void set_sr(int n, int val) { asm ("mtsrin %0,%1" : : "r" (val), "r" (n << 28)); } static inline void store_inst(void *p) { asm volatile ("dcbst 0,%0; sync; icbi 0,%0; isync" : : "r" (p)); } static inline void cflush(void *p) { asm volatile ("dcbf 0,%0; icbi 0,%0" : : "r" (p)); } static inline void cinval(void *p) { asm volatile ("dcbi 0,%0; icbi 0,%0" : : "r" (p)); }