diff options
Diffstat (limited to 'arch/alpha/include/asm/pal.h')
| -rw-r--r-- | arch/alpha/include/asm/pal.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/pal.h b/arch/alpha/include/asm/pal.h index 9b4ba0d6f00..6699ee58342 100644 --- a/arch/alpha/include/asm/pal.h +++ b/arch/alpha/include/asm/pal.h @@ -48,4 +48,116 @@ #define PAL_retsys 61 #define PAL_rti 63 +#ifdef __KERNEL__ +#ifndef __ASSEMBLY__ + +extern void halt(void) __attribute__((noreturn)); +#define __halt() __asm__ __volatile__ ("call_pal %0 #halt" : : "i" (PAL_halt)) + +#define imb() \ +__asm__ __volatile__ ("call_pal %0 #imb" : : "i" (PAL_imb) : "memory") + +#define draina() \ +__asm__ __volatile__ ("call_pal %0 #draina" : : "i" (PAL_draina) : "memory") + +#define __CALL_PAL_R0(NAME, TYPE) \ +extern inline TYPE NAME(void) \ +{ \ + register TYPE __r0 __asm__("$0"); \ + __asm__ __volatile__( \ + "call_pal %1 # " #NAME \ + :"=r" (__r0) \ + :"i" (PAL_ ## NAME) \ + :"$1", "$16", "$22", "$23", "$24", "$25"); \ + return __r0; \ +} + +#define __CALL_PAL_W1(NAME, TYPE0) \ +extern inline void NAME(TYPE0 arg0) \ +{ \ + register TYPE0 __r16 __asm__("$16") = arg0; \ + __asm__ __volatile__( \ + "call_pal %1 # "#NAME \ + : "=r"(__r16) \ + : "i"(PAL_ ## NAME), "0"(__r16) \ + : "$1", "$22", "$23", "$24", "$25"); \ +} + +#define __CALL_PAL_W2(NAME, TYPE0, TYPE1) \ +extern inline void NAME(TYPE0 arg0, TYPE1 arg1) \ +{ \ + register TYPE0 __r16 __asm__("$16") = arg0; \ + register TYPE1 __r17 __asm__("$17") = arg1; \ + __asm__ __volatile__( \ + "call_pal %2 # "#NAME \ + : "=r"(__r16), "=r"(__r17) \ + : "i"(PAL_ ## NAME), "0"(__r16), "1"(__r17) \ + : "$1", "$22", "$23", "$24", "$25"); \ +} + +#define __CALL_PAL_RW1(NAME, RTYPE, TYPE0) \ +extern inline RTYPE NAME(TYPE0 arg0) \ +{ \ + register RTYPE __r0 __asm__("$0"); \ + register TYPE0 __r16 __asm__("$16") = arg0; \ + __asm__ __volatile__( \ + "call_pal %2 # "#NAME \ + : "=r"(__r16), "=r"(__r0) \ + : "i"(PAL_ ## NAME), "0"(__r16) \ + : "$1", "$22", "$23", "$24", "$25"); \ + return __r0; \ +} + +#define __CALL_PAL_RW2(NAME, RTYPE, TYPE0, TYPE1) \ +extern inline RTYPE NAME(TYPE0 arg0, TYPE1 arg1) \ +{ \ + register RTYPE __r0 __asm__("$0"); \ + register TYPE0 __r16 __asm__("$16") = arg0; \ + register TYPE1 __r17 __asm__("$17") = arg1; \ + __asm__ __volatile__( \ + "call_pal %3 # "#NAME \ + : "=r"(__r16), "=r"(__r17), "=r"(__r0) \ + : "i"(PAL_ ## NAME), "0"(__r16), "1"(__r17) \ + : "$1", "$22", "$23", "$24", "$25"); \ + return __r0; \ +} + +__CALL_PAL_W1(cflush, unsigned long); +__CALL_PAL_R0(rdmces, unsigned long); +__CALL_PAL_R0(rdps, unsigned long); +__CALL_PAL_R0(rdusp, unsigned long); +__CALL_PAL_RW1(swpipl, unsigned long, unsigned long); +__CALL_PAL_R0(whami, unsigned long); +__CALL_PAL_W2(wrent, void*, unsigned long); +__CALL_PAL_W1(wripir, unsigned long); +__CALL_PAL_W1(wrkgp, unsigned long); +__CALL_PAL_W1(wrmces, unsigned long); +__CALL_PAL_RW2(wrperfmon, unsigned long, unsigned long, unsigned long); +__CALL_PAL_W1(wrusp, unsigned long); +__CALL_PAL_W1(wrvptptr, unsigned long); + +/* + * TB routines.. + */ +#define __tbi(nr,arg,arg1...) \ +({ \ + register unsigned long __r16 __asm__("$16") = (nr); \ + register unsigned long __r17 __asm__("$17"); arg; \ + __asm__ __volatile__( \ + "call_pal %3 #__tbi" \ + :"=r" (__r16),"=r" (__r17) \ + :"0" (__r16),"i" (PAL_tbi) ,##arg1 \ + :"$0", "$1", "$22", "$23", "$24", "$25"); \ +}) + +#define tbi(x,y) __tbi(x,__r17=(y),"1" (__r17)) +#define tbisi(x) __tbi(1,__r17=(x),"1" (__r17)) +#define tbisd(x) __tbi(2,__r17=(x),"1" (__r17)) +#define tbis(x) __tbi(3,__r17=(x),"1" (__r17)) +#define tbiap() __tbi(-1, /* no second argument */) +#define tbia() __tbi(-2, /* no second argument */) + +#endif /* !__ASSEMBLY__ */ +#endif /* __KERNEL__ */ + #endif /* __ALPHA_PAL_H */ |