diff options
| author | Maciej W. Rozycki <macro@linux-mips.org> | 2005-06-23 17:57:15 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2005-10-29 20:31:31 +0200 |
| commit | c4559f67b73d6c34fde0faac5c6c890a2cf3527c (patch) | |
| tree | 4063b3a937215684db85cc4f70eabd99cf3b8573 /include/asm-mips/bitops.h | |
| parent | Actual handlers for bus errors for Pmax and 3min. (diff) | |
| download | linux-c4559f67b73d6c34fde0faac5c6c890a2cf3527c.tar.xz linux-c4559f67b73d6c34fde0faac5c6c890a2cf3527c.zip | |
Always use ".set mips3" rather than select between "mips2" or "mips3"
for assembling ll/sc sequences to avoid problems with 64-bit
configurations.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include/asm-mips/bitops.h')
| -rw-r--r-- | include/asm-mips/bitops.h | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/include/asm-mips/bitops.h b/include/asm-mips/bitops.h index 1dc35879b362..d9c02bd0b18e 100644 --- a/include/asm-mips/bitops.h +++ b/include/asm-mips/bitops.h @@ -20,14 +20,12 @@ #define SZLONG_MASK 31UL #define __LL "ll " #define __SC "sc " -#define __SET_MIPS ".set mips2 " #define cpu_to_lelongp(x) cpu_to_le32p((__u32 *) (x)) #elif (_MIPS_SZLONG == 64) #define SZLONG_LOG 6 #define SZLONG_MASK 63UL #define __LL "lld " #define __SC "scd " -#define __SET_MIPS ".set mips3 " #define cpu_to_lelongp(x) cpu_to_le64p((__u64 *) (x)) #endif @@ -74,7 +72,7 @@ static inline void set_bit(unsigned long nr, volatile unsigned long *addr) if (cpu_has_llsc && R10000_LLSC_WAR) { __asm__ __volatile__( - " " __SET_MIPS " \n" + " .set mips3 \n" "1: " __LL "%0, %1 # set_bit \n" " or %0, %2 \n" " " __SC "%0, %1 \n" @@ -84,7 +82,7 @@ static inline void set_bit(unsigned long nr, volatile unsigned long *addr) : "ir" (1UL << (nr & SZLONG_MASK)), "m" (*m)); } else if (cpu_has_llsc) { __asm__ __volatile__( - " " __SET_MIPS " \n" + " .set mips3 \n" "1: " __LL "%0, %1 # set_bit \n" " or %0, %2 \n" " " __SC "%0, %1 \n" @@ -138,7 +136,7 @@ static inline void clear_bit(unsigned long nr, volatile unsigned long *addr) if (cpu_has_llsc && R10000_LLSC_WAR) { __asm__ __volatile__( - " " __SET_MIPS " \n" + " .set mips3 \n" "1: " __LL "%0, %1 # clear_bit \n" " and %0, %2 \n" " " __SC "%0, %1 \n" @@ -148,7 +146,7 @@ static inline void clear_bit(unsigned long nr, volatile unsigned long *addr) : "ir" (~(1UL << (nr & SZLONG_MASK))), "m" (*m)); } else if (cpu_has_llsc) { __asm__ __volatile__( - " " __SET_MIPS " \n" + " .set mips3 \n" "1: " __LL "%0, %1 # clear_bit \n" " and %0, %2 \n" " " __SC "%0, %1 \n" @@ -201,7 +199,7 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr) unsigned long temp; __asm__ __volatile__( - " " __SET_MIPS " \n" + " .set mips3 \n" "1: " __LL "%0, %1 # change_bit \n" " xor %0, %2 \n" " " __SC "%0, %1 \n" @@ -214,7 +212,7 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr) unsigned long temp; __asm__ __volatile__( - " " __SET_MIPS " \n" + " .set mips3 \n" "1: " __LL "%0, %1 # change_bit \n" " xor %0, %2 \n" " " __SC "%0, %1 \n" @@ -267,7 +265,7 @@ static inline int test_and_set_bit(unsigned long nr, unsigned long temp, res; __asm__ __volatile__( - " " __SET_MIPS " \n" + " .set mips3 \n" "1: " __LL "%0, %1 # test_and_set_bit \n" " or %2, %0, %3 \n" " " __SC "%2, %1 \n" @@ -289,7 +287,7 @@ static inline int test_and_set_bit(unsigned long nr, __asm__ __volatile__( " .set push \n" " .set noreorder \n" - " " __SET_MIPS " \n" + " .set mips3 \n" "1: " __LL "%0, %1 # test_and_set_bit \n" " or %2, %0, %3 \n" " " __SC "%2, %1 \n" @@ -361,7 +359,7 @@ static inline int test_and_clear_bit(unsigned long nr, unsigned long temp, res; __asm__ __volatile__( - " " __SET_MIPS " \n" + " .set mips3 \n" "1: " __LL "%0, %1 # test_and_clear_bit \n" " or %2, %0, %3 \n" " xor %2, %3 \n" @@ -384,7 +382,7 @@ static inline int test_and_clear_bit(unsigned long nr, __asm__ __volatile__( " .set push \n" " .set noreorder \n" - " " __SET_MIPS " \n" + " .set mips3 \n" "1: " __LL "%0, %1 # test_and_clear_bit \n" " or %2, %0, %3 \n" " xor %2, %3 \n" @@ -457,7 +455,7 @@ static inline int test_and_change_bit(unsigned long nr, unsigned long temp, res; __asm__ __volatile__( - " " __SET_MIPS " \n" + " .set mips3 \n" "1: " __LL "%0, %1 # test_and_change_bit \n" " xor %2, %0, %3 \n" " " __SC "%2, %1 \n" @@ -479,7 +477,7 @@ static inline int test_and_change_bit(unsigned long nr, __asm__ __volatile__( " .set push \n" " .set noreorder \n" - " " __SET_MIPS " \n" + " .set mips3 \n" "1: " __LL "%0, %1 # test_and_change_bit \n" " xor %2, %0, %3 \n" " " __SC "\t%2, %1 \n" |