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Diffstat (limited to 'arch/mips64')
-rw-r--r--arch/mips64/syscall_arch.h55
1 files changed, 28 insertions, 27 deletions
diff --git a/arch/mips64/syscall_arch.h b/arch/mips64/syscall_arch.h
index a653c31c..1e720c7d 100644
--- a/arch/mips64/syscall_arch.h
+++ b/arch/mips64/syscall_arch.h
@@ -53,10 +53,11 @@ static void __stat_fix(struct kernel_stat *kst, struct stat *st)
 static inline long __syscall0(long n)
 {
 	register long r7 __asm__("$7");
-	register long r2 __asm__("$2");
+	register long r2 __asm__("$2") = n;
 	__asm__ __volatile__ (
-		"daddu $2,$0,%2 ; syscall"
-		: "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7)
+		"syscall"
+		: "+&r"(r2), "=r"(r7)
+		:
 		: SYSCALL_CLOBBERLIST);
 	return r7 ? -r2 : r2;
 }
@@ -65,11 +66,11 @@ static inline long __syscall1(long n, long a)
 {
 	register long r4 __asm__("$4") = a;
 	register long r7 __asm__("$7");
-	register long r2 __asm__("$2");
+	register long r2 __asm__("$2") = n;
 	__asm__ __volatile__ (
-		"daddu $2,$0,%2 ; syscall"
-		: "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7),
-		  "r"(r4)
+		"syscall"
+		: "+&r"(r2), "=r"(r7)
+		: "r"(r4)
 		: SYSCALL_CLOBBERLIST);
 	return r7 ? -r2 : r2;
 }
@@ -81,15 +82,15 @@ static inline long __syscall2(long n, long a, long b)
 	register long r4 __asm__("$4") = a;
 	register long r5 __asm__("$5") = b;
 	register long r7 __asm__("$7");
-	register long r2 __asm__("$2");
+	register long r2 __asm__("$2") = n;
 
 	if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat)
 		r5 = (long) &kst;
 
 	__asm__ __volatile__ (
-		"daddu $2,$0,%2 ; syscall"
-		: "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7),
-		  "r"(r4), "r"(r5)
+		"syscall"
+		: "+&r"(r2), "=r"(r7)
+		: "r"(r4), "r"(r5)
 		: SYSCALL_CLOBBERLIST);
 
 	if (r7) return -r2;
@@ -109,15 +110,15 @@ static inline long __syscall3(long n, long a, long b, long c)
 	register long r5 __asm__("$5") = b;
 	register long r6 __asm__("$6") = c;
 	register long r7 __asm__("$7");
-	register long r2 __asm__("$2");
+	register long r2 __asm__("$2") = n;
 
 	if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat)
 		r5 = (long) &kst;
 
 	__asm__ __volatile__ (
-		"daddu $2,$0,%2 ; syscall"
-		: "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7),
-		  "r"(r4), "r"(r5), "r"(r6)
+		"syscall"
+		: "+&r"(r2), "=r"(r7)
+		: "r"(r4), "r"(r5), "r"(r6)
 		: SYSCALL_CLOBBERLIST);
 
 	if (r7) return -r2;
@@ -137,7 +138,7 @@ static inline long __syscall4(long n, long a, long b, long c, long d)
 	register long r5 __asm__("$5") = b;
 	register long r6 __asm__("$6") = c;
 	register long r7 __asm__("$7") = d;
-	register long r2 __asm__("$2");
+	register long r2 __asm__("$2") = n;
 
 	if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat)
 		r5 = (long) &kst;
@@ -145,9 +146,9 @@ static inline long __syscall4(long n, long a, long b, long c, long d)
 		r6 = (long) &kst;
 
 	__asm__ __volatile__ (
-		"daddu $2,$0,%2 ; syscall"
-		: "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7),
-		  "r"(r4), "r"(r5), "r"(r6)
+		"syscall"
+		: "+&r"(r2), "+r"(r7)
+		: "r"(r4), "r"(r5), "r"(r6)
 		: SYSCALL_CLOBBERLIST);
 
 	if (r7) return -r2;
@@ -170,7 +171,7 @@ static inline long __syscall5(long n, long a, long b, long c, long d, long e)
 	register long r6 __asm__("$6") = c;
 	register long r7 __asm__("$7") = d;
 	register long r8 __asm__("$8") = e;
-	register long r2 __asm__("$2");
+	register long r2 __asm__("$2") = n;
 
 	if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat)
 		r5 = (long) &kst;
@@ -178,9 +179,9 @@ static inline long __syscall5(long n, long a, long b, long c, long d, long e)
 		r6 = (long) &kst;
 
 	__asm__ __volatile__ (
-		"daddu $2,$0,%2 ; syscall"
-		: "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7),
-		  "r"(r4), "r"(r5), "r"(r6), "r"(r8)
+		"syscall"
+		: "+&r"(r2), "+r"(r7)
+		: "r"(r4), "r"(r5), "r"(r6), "r"(r8)
 		: SYSCALL_CLOBBERLIST);
 
 	if (r7) return -r2;
@@ -204,7 +205,7 @@ static inline long __syscall6(long n, long a, long b, long c, long d, long e, lo
 	register long r7 __asm__("$7") = d;
 	register long r8 __asm__("$8") = e;
 	register long r9 __asm__("$9") = f;
-	register long r2 __asm__("$2");
+	register long r2 __asm__("$2") = n;
 
 	if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat)
 		r5 = (long) &kst;
@@ -212,9 +213,9 @@ static inline long __syscall6(long n, long a, long b, long c, long d, long e, lo
 		r6 = (long) &kst;
 
 	__asm__ __volatile__ (
-		"daddu $2,$0,%2 ; syscall"
-		: "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7),
-		  "r"(r4), "r"(r5), "r"(r6), "r"(r8), "r"(r9)
+		"syscall"
+		: "+&r"(r2), "+r"(r7)
+		: "r"(r4), "r"(r5), "r"(r6), "r"(r8), "r"(r9)
 		: SYSCALL_CLOBBERLIST);
 
 	if (r7) return -r2;