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-rw-r--r--arch/alpha/include/asm/pal.h187
1 files changed, 187 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/pal.h b/arch/alpha/include/asm/pal.h
new file mode 100644
index 000000000..db2b3b18b
--- /dev/null
+++ b/arch/alpha/include/asm/pal.h
@@ -0,0 +1,187 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ALPHA_PAL_H
+#define __ALPHA_PAL_H
+
+#include <uapi/asm/pal.h>
+
+#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);
+__CALL_PAL_RW1(wtint, unsigned long, 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 */)
+
+/*
+ * QEMU Cserv routines..
+ */
+
+static inline unsigned long
+qemu_get_walltime(void)
+{
+ register unsigned long v0 __asm__("$0");
+ register unsigned long a0 __asm__("$16") = 3;
+
+ asm("call_pal %2 # cserve get_time"
+ : "=r"(v0), "+r"(a0)
+ : "i"(PAL_cserve)
+ : "$17", "$18", "$19", "$20", "$21");
+
+ return v0;
+}
+
+static inline unsigned long
+qemu_get_alarm(void)
+{
+ register unsigned long v0 __asm__("$0");
+ register unsigned long a0 __asm__("$16") = 4;
+
+ asm("call_pal %2 # cserve get_alarm"
+ : "=r"(v0), "+r"(a0)
+ : "i"(PAL_cserve)
+ : "$17", "$18", "$19", "$20", "$21");
+
+ return v0;
+}
+
+static inline void
+qemu_set_alarm_rel(unsigned long expire)
+{
+ register unsigned long a0 __asm__("$16") = 5;
+ register unsigned long a1 __asm__("$17") = expire;
+
+ asm volatile("call_pal %2 # cserve set_alarm_rel"
+ : "+r"(a0), "+r"(a1)
+ : "i"(PAL_cserve)
+ : "$0", "$18", "$19", "$20", "$21");
+}
+
+static inline void
+qemu_set_alarm_abs(unsigned long expire)
+{
+ register unsigned long a0 __asm__("$16") = 6;
+ register unsigned long a1 __asm__("$17") = expire;
+
+ asm volatile("call_pal %2 # cserve set_alarm_abs"
+ : "+r"(a0), "+r"(a1)
+ : "i"(PAL_cserve)
+ : "$0", "$18", "$19", "$20", "$21");
+}
+
+static inline unsigned long
+qemu_get_vmtime(void)
+{
+ register unsigned long v0 __asm__("$0");
+ register unsigned long a0 __asm__("$16") = 7;
+
+ asm("call_pal %2 # cserve get_time"
+ : "=r"(v0), "+r"(a0)
+ : "i"(PAL_cserve)
+ : "$17", "$18", "$19", "$20", "$21");
+
+ return v0;
+}
+
+#endif /* !__ASSEMBLY__ */
+#endif /* __ALPHA_PAL_H */