aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-mips/bitops.h
diff options
context:
space:
mode:
authorMaciej W. Rozycki <macro@linux-mips.org>2005-06-23 15:57:15 +0000
committerRalf Baechle <ralf@linux-mips.org>2005-10-29 19:31:31 +0100
commitc4559f67b73d6c34fde0faac5c6c890a2cf3527c (patch)
tree4063b3a937215684db85cc4f70eabd99cf3b8573 /include/asm-mips/bitops.h
parent69c75fb458cd81bb29e1d9580469110b00316748 (diff)
downloadkernel_samsung_espresso10-c4559f67b73d6c34fde0faac5c6c890a2cf3527c.zip
kernel_samsung_espresso10-c4559f67b73d6c34fde0faac5c6c890a2cf3527c.tar.gz
kernel_samsung_espresso10-c4559f67b73d6c34fde0faac5c6c890a2cf3527c.tar.bz2
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.h26
1 files changed, 12 insertions, 14 deletions
diff --git a/include/asm-mips/bitops.h b/include/asm-mips/bitops.h
index 1dc3587..d9c02bd 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"