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-rw-r--r--include/asm-alpha/system.h143
1 files changed, 74 insertions, 69 deletions
diff --git a/include/asm-alpha/system.h b/include/asm-alpha/system.h
index 2be0ced69..6939d37ab 100644
--- a/include/asm-alpha/system.h
+++ b/include/asm-alpha/system.h
@@ -86,16 +86,6 @@ struct el_common_EV5_uncorrectable_mcheck {
unsigned long ld_lock; /* Contents of EV5 LD_LOCK register*/
};
-
-extern void wrent(void *, unsigned long);
-extern void wrkgp(unsigned long);
-extern void wrusp(unsigned long);
-extern unsigned long rdusp(void);
-extern unsigned long rdmces (void);
-extern void wrmces (unsigned long);
-extern unsigned long whami(void);
-extern void wripir(unsigned long);
-
extern void halt(void) __attribute__((noreturn));
#define switch_to(prev,next,last) \
@@ -159,73 +149,86 @@ enum amask_enum {
__asm__ ("amask %1,%0" : "=r"(__amask) : "rI"(__input)); \
__amask; })
-static inline unsigned long
-wrperfmon(unsigned long perf_fun, unsigned long arg)
-{
- register unsigned long __r0 __asm__("$0");
- register unsigned long __r16 __asm__("$16");
- register unsigned long __r17 __asm__("$17");
- __r16 = perf_fun;
- __r17 = arg;
- __asm__ __volatile__(
- "call_pal %1"
- : "=r"(__r0)
- : "i"(PAL_wrperfmon), "r"(__r16), "r"(__r17)
- : "$1", "$22", "$23", "$24", "$25", "$26");
- return __r0;
+#define __CALL_PAL_R0(NAME, TYPE) \
+static 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) \
+static 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_pal1(palno,arg) \
-({ \
- register unsigned long __r0 __asm__("$0"); \
- register unsigned long __r16 __asm__("$16"); __r16 = arg; \
- __asm__ __volatile__( \
- "call_pal %3 #call_pal1" \
- :"=r" (__r0),"=r" (__r16) \
- :"1" (__r16),"i" (palno) \
- :"$1", "$22", "$23", "$24", "$25", "memory"); \
- __r0; \
-})
-
-#define getipl() \
-({ \
- register unsigned long r0 __asm__("$0"); \
- __asm__ __volatile__( \
- "call_pal %1 #getipl" \
- :"=r" (r0) \
- :"i" (PAL_rdps) \
- :"$1", "$16", "$22", "$23", "$24", "$25", "memory"); \
- r0; \
-})
+#define __CALL_PAL_W2(NAME, TYPE0, TYPE1) \
+static 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 setipl(ipl) \
-({ \
- register unsigned long __r16 __asm__("$16"); __r16 = (ipl); \
- __asm__ __volatile__( \
- "call_pal %2 #setipl" \
- :"=r" (__r16) \
- :"0" (__r16),"i" (PAL_swpipl) \
- :"$0", "$1", "$22", "$23", "$24", "$25", "memory"); \
-})
+#define __CALL_PAL_RW1(NAME, RTYPE, TYPE0) \
+static 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 swpipl(ipl) \
-({ \
- register unsigned long __r0 __asm__("$0"); \
- register unsigned long __r16 __asm__("$16") = (ipl); \
+#define __CALL_PAL_RW2(NAME, RTYPE, TYPE0, TYPE1) \
+static 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 #swpipl" \
- :"=r" (__r0),"=r" (__r16) \
- :"1" (__r16),"i" (PAL_swpipl) \
- :"$1", "$22", "$23", "$24", "$25", "memory"); \
- __r0; \
-})
+ "call_pal %3 # "#NAME \
+ : "=r"(__r16), "=r"(__r17), "=r"(__r0) \
+ : "i"(PAL_ ## NAME), "0"(__r16), "1"(__r17) \
+ : "$1", "$22", "$23", "$24", "$25"); \
+ return __r0; \
+}
-#define __cli() setipl(7)
-#define __sti() setipl(0)
-#define __save_flags(flags) ((flags) = getipl())
+__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);
+
+#define __cli() ((void) swpipl(7))
+#define __sti() ((void) swpipl(0))
+#define __save_flags(flags) ((flags) = rdps())
#define __save_and_cli(flags) ((flags) = swpipl(7))
-#define __restore_flags(flags) setipl(flags)
+#define __restore_flags(flags) ((void) swpipl(flags))
#define local_irq_save(flags) __save_and_cli(flags)
#define local_irq_restore(flags) __restore_flags(flags)
@@ -294,6 +297,7 @@ extern __inline__ unsigned long xchg_u32(volatile int *m, unsigned long val)
" bis $31,%3,%1\n"
" stl_c %1,%2\n"
" beq %1,2f\n"
+ " mb\n"
".section .text2,\"ax\"\n"
"2: br 1b\n"
".previous"
@@ -312,6 +316,7 @@ extern __inline__ unsigned long xchg_u64(volatile long * m, unsigned long val)
" bis $31,%3,%1\n"
" stq_c %1,%2\n"
" beq %1,2f\n"
+ " mb\n"
".section .text2,\"ax\"\n"
"2: br 1b\n"
".previous"
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