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Diffstat (limited to 'arch/mips/syscall_arch.h')
-rw-r--r--arch/mips/syscall_arch.h63
1 files changed, 32 insertions, 31 deletions
diff --git a/arch/mips/syscall_arch.h b/arch/mips/syscall_arch.h
index 808aa41d..6ea73437 100644
--- a/arch/mips/syscall_arch.h
+++ b/arch/mips/syscall_arch.h
@@ -18,10 +18,11 @@
static inline long __syscall0(long n)
{
register long r7 __asm__("$7");
- register long r2 __asm__("$2");
+ register long r2 __asm__("$2") = n;
__asm__ __volatile__ (
- "addu $2,$0,%2 ; syscall"
- : "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7)
+ "syscall"
+ : "+r"(r2), "=r"(r7)
+ :
: SYSCALL_CLOBBERLIST, "$8", "$9", "$10");
return r7 ? -r2 : r2;
}
@@ -30,11 +31,11 @@ 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__ (
- "addu $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, "$8", "$9", "$10");
return r7 ? -r2 : r2;
}
@@ -44,11 +45,11 @@ 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;
__asm__ __volatile__ (
- "addu $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, "$8", "$9", "$10");
return r7 ? -r2 : r2;
}
@@ -59,11 +60,11 @@ 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;
__asm__ __volatile__ (
- "addu $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, "$8", "$9", "$10");
return r7 ? -r2 : r2;
}
@@ -74,11 +75,11 @@ 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;
__asm__ __volatile__ (
- "addu $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, "$8", "$9", "$10");
return r7 ? -r2 : r2;
}
@@ -90,13 +91,13 @@ 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;
__asm__ __volatile__ (
"subu $sp,$sp,32 ; sw $8,16($sp) ; "
- "addu $2,$0,%3 ; syscall ;"
+ "syscall ;"
"addu $sp,$sp,32"
- : "=&r"(r2), "=r"(r7), "+r"(r8)
- : "ir"(n), "0"(r2), "1"(r7), "r"(r4), "r"(r5), "r"(r6)
+ : "+r"(r2), "+r"(r7), "+r"(r8)
+ : "r"(r4), "r"(r5), "r"(r6)
: SYSCALL_CLOBBERLIST, "$9", "$10");
return r7 ? -r2 : r2;
}
@@ -109,13 +110,13 @@ 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;
__asm__ __volatile__ (
"subu $sp,$sp,32 ; sw $8,16($sp) ; sw $9,20($sp) ; "
- "addu $2,$0,%4 ; syscall ;"
+ "syscall ;"
"addu $sp,$sp,32"
- : "=&r"(r2), "=r"(r7), "+r"(r8), "+r"(r9)
- : "ir"(n), "0"(r2), "1"(r7), "r"(r4), "r"(r5), "r"(r6)
+ : "+r"(r2), "+r"(r7), "+r"(r8), "+r"(r9)
+ : "r"(r4), "r"(r5), "r"(r6)
: SYSCALL_CLOBBERLIST, "$10");
return r7 ? -r2 : r2;
}
@@ -129,13 +130,13 @@ static inline long __syscall7(long n, long a, long b, long c, long d, long e, lo
register long r8 __asm__("$8") = e;
register long r9 __asm__("$9") = f;
register long r10 __asm__("$10") = g;
- register long r2 __asm__("$2");
+ register long r2 __asm__("$2") = n;
__asm__ __volatile__ (
"subu $sp,$sp,32 ; sw $8,16($sp) ; sw $9,20($sp) ; sw $10,24($sp) ; "
- "addu $2,$0,%5 ; syscall ;"
+ "syscall ;"
"addu $sp,$sp,32"
- : "=&r"(r2), "=r"(r7), "+r"(r8), "+r"(r9), "+r"(r10)
- : "ir"(n), "0"(r2), "1"(r7), "r"(r4), "r"(r5), "r"(r6)
+ : "+r"(r2), "+r"(r7), "+r"(r8), "+r"(r9), "+r"(r10)
+ : "r"(r4), "r"(r5), "r"(r6)
: SYSCALL_CLOBBERLIST);
return r7 ? -r2 : r2;
}