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MIPS: asm: local: Set the appropriate ISA level for MIPS R6

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MIPS R6 changed the opcodes for LL/SC instructions so we need to set
the appropriate ISA level.

Cc: Matthew Fortune <Matthew.Fortune@imgtec.com>
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
This commit is contained in:
Markos Chandras 2015-01-15 10:31:36 +00:00
parent 5753762cbd
commit 82e7ce8149
1 changed files with 3 additions and 2 deletions
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5
arch/mips/include/asm/local.h
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@ -5,6 +5,7 @@
#include <linux/bitops.h>
#include <linux/atomic.h>
#include <asm/cmpxchg.h>
#include <asm/compiler.h>
#include <asm/war.h>
typedef struct
@ -47,7 +48,7 @@ static __inline__ long local_add_return(long i, local_t * l)
unsigned long temp;
__asm__ __volatile__(
" .set arch=r4000 \n"
" .set "MIPS_ISA_ARCH_LEVEL" \n"
"1:" __LL "%1, %2 # local_add_return \n"
" addu %0, %1, %3 \n"
__SC "%0, %2 \n"
@ -92,7 +93,7 @@ static __inline__ long local_sub_return(long i, local_t * l)
unsigned long temp;
__asm__ __volatile__(
" .set arch=r4000 \n"
" .set "MIPS_ISA_ARCH_LEVEL" \n"
"1:" __LL "%1, %2 # local_sub_return \n"
" subu %0, %1, %3 \n"
__SC "%0, %2 \n"