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authorMichal Simek <monstr@monstr.eu>2010-06-22 16:13:09 +0400
committerMichal Simek <monstr@monstr.eu>2010-08-04 12:22:45 +0400
commit63708f635c1702ac512626d7afe558de2b18554a (patch)
treee83656483ca0fc1bf569ac7e7df101ea80825e29 /arch/microblaze
parent96014cc39bffe04429bcd143aa7bbde81f659ee4 (diff)
downloadlinux-63708f635c1702ac512626d7afe558de2b18554a.tar.xz
microblaze: Move stack backup to SAVE_STATE macro
Remove code duplicity and move it to SAVE_STATE macro. There is no impact on performance. Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch/microblaze')
-rw-r--r--arch/microblaze/kernel/entry.S5
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S
index 4a6cb1d68dd4..766ff568660c 100644
--- a/arch/microblaze/kernel/entry.S
+++ b/arch/microblaze/kernel/entry.S
@@ -505,6 +505,7 @@ C_ENTRY(sys_rt_sigreturn_wrapper):
*/
#define SAVE_STATE \
+ swi r1, r0, TOPHYS(PER_CPU(ENTRY_SP)); /* save stack */ \
swi r11, r0, TOPHYS(r0_ram + PTO + PT_R11); /* Save r11 */ \
set_bip; /*equalize initial state for all possible entries*/\
clear_eip; \
@@ -552,7 +553,6 @@ C_ENTRY(sys_rt_sigreturn_wrapper):
tovirt(r1,r1)
C_ENTRY(full_exception_trap):
- swi r1, r0, TOPHYS(PER_CPU(ENTRY_SP)) /* save stack */
/* adjust exception address for privileged instruction
* for finding where is it */
addik r17, r17, -4
@@ -584,7 +584,6 @@ C_ENTRY(full_exception_trap):
* The assembler routine is in "arch/microblaze/kernel/hw_exception_handler.S"
*/
C_ENTRY(unaligned_data_trap):
- swi r1, r0, TOPHYS(PER_CPU(ENTRY_SP)) /* save stack */
SAVE_STATE /* Save registers.*/
/* where the trap should return need -8 to adjust for rtsd r15, 8 */
la r15, r0, ret_from_exc-8
@@ -617,7 +616,6 @@ C_ENTRY(unaligned_data_trap):
*/
/* data and intruction trap - which is choose is resolved int fault.c */
C_ENTRY(page_fault_data_trap):
- swi r1, r0, TOPHYS(PER_CPU(ENTRY_SP)) /* save stack */
SAVE_STATE /* Save registers.*/
/* where the trap should return need -8 to adjust for rtsd r15, 8 */
la r15, r0, ret_from_exc-8
@@ -632,7 +630,6 @@ C_ENTRY(page_fault_data_trap):
nop;
C_ENTRY(page_fault_instr_trap):
- swi r1, r0, TOPHYS(PER_CPU(ENTRY_SP)) /* save stack */
SAVE_STATE /* Save registers.*/
/* where the trap should return need -8 to adjust for rtsd r15, 8 */
la r15, r0, ret_from_exc-8