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linux
linux-davinci
Commits
f4c6b6bc
Commit
f4c6b6bc
authored
Sep 17, 2009
by
Ralf Baechle
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MIPS: Consolidate all CONFIG_CPU_HAS_LLSC use in a single C file.
Signed-off-by:
Ralf Baechle
<
ralf@linux-mips.org
>
parent
6eb10bc9
Changes
4
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4 changed files
with
12 additions
and
9 deletions
+12
-9
arch/mips/include/asm/system.h
arch/mips/include/asm/system.h
+12
-0
arch/mips/kernel/octeon_switch.S
arch/mips/kernel/octeon_switch.S
+0
-3
arch/mips/kernel/r2300_switch.S
arch/mips/kernel/r2300_switch.S
+0
-3
arch/mips/kernel/r4k_switch.S
arch/mips/kernel/r4k_switch.S
+0
-3
No files found.
arch/mips/include/asm/system.h
View file @
f4c6b6bc
...
...
@@ -63,11 +63,23 @@ do { \
#define __mips_mt_fpaff_switch_to(prev) do { (void) (prev); } while (0)
#endif
#ifdef CONFIG_CPU_HAS_LLSC
#define __clear_software_ll_bit() do { } while (0)
#else
extern
unsigned
long
ll_bit
;
#define __clear_software_ll_bit() \
do { \
ll_bit = 0; \
} while (0)
#endif
#define switch_to(prev, next, last) \
do { \
__mips_mt_fpaff_switch_to(prev); \
if (cpu_has_dsp) \
__save_dsp(prev); \
__clear_software_ll_bit(); \
(last) = resume(prev, next, task_thread_info(next)); \
} while (0)
...
...
arch/mips/kernel/octeon_switch.S
View file @
f4c6b6bc
...
...
@@ -36,9 +36,6 @@
.
align
7
LEAF
(
resume
)
.
set
arch
=
octeon
#ifndef CONFIG_CPU_HAS_LLSC
sw
zero
,
ll_bit
#endif
mfc0
t1
,
CP0_STATUS
LONG_S
t1
,
THREAD_STATUS
(
a0
)
cpu_save_nonscratch
a0
...
...
arch/mips/kernel/r2300_switch.S
View file @
f4c6b6bc
...
...
@@ -46,9 +46,6 @@
*
struct
thread_info
*
next_ti
)
)
*/
LEAF
(
resume
)
#ifndef CONFIG_CPU_HAS_LLSC
sw
zero
,
ll_bit
#endif
mfc0
t1
,
CP0_STATUS
sw
t1
,
THREAD_STATUS
(
a0
)
cpu_save_nonscratch
a0
...
...
arch/mips/kernel/r4k_switch.S
View file @
f4c6b6bc
...
...
@@ -45,9 +45,6 @@
*/
.
align
5
LEAF
(
resume
)
#ifndef CONFIG_CPU_HAS_LLSC
sw
zero
,
ll_bit
#endif
mfc0
t1
,
CP0_STATUS
LONG_S
t1
,
THREAD_STATUS
(
a0
)
cpu_save_nonscratch
a0
...
...
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