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-rw-r--r--arch/alpha/include/asm/pal.h163
1 files changed, 163 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/pal.h b/arch/alpha/include/asm/pal.h
new file mode 100644
index 00000000..6699ee58
--- /dev/null
+++ b/arch/alpha/include/asm/pal.h
@@ -0,0 +1,163 @@
+#ifndef __ALPHA_PAL_H
+#define __ALPHA_PAL_H
+
+/*
+ * Common PAL-code
+ */
+#define PAL_halt 0
+#define PAL_cflush 1
+#define PAL_draina 2
+#define PAL_bpt 128
+#define PAL_bugchk 129
+#define PAL_chmk 131
+#define PAL_callsys 131
+#define PAL_imb 134
+#define PAL_rduniq 158
+#define PAL_wruniq 159
+#define PAL_gentrap 170
+#define PAL_nphalt 190
+
+/*
+ * VMS specific PAL-code
+ */
+#define PAL_swppal 10
+#define PAL_mfpr_vptb 41
+
+/*
+ * OSF specific PAL-code
+ */
+#define PAL_cserve 9
+#define PAL_wripir 13
+#define PAL_rdmces 16
+#define PAL_wrmces 17
+#define PAL_wrfen 43
+#define PAL_wrvptptr 45
+#define PAL_jtopal 46
+#define PAL_swpctx 48
+#define PAL_wrval 49
+#define PAL_rdval 50
+#define PAL_tbi 51
+#define PAL_wrent 52
+#define PAL_swpipl 53
+#define PAL_rdps 54
+#define PAL_wrkgp 55
+#define PAL_wrusp 56
+#define PAL_wrperfmon 57
+#define PAL_rdusp 58
+#define PAL_whami 60
+#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 */