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microblaze: Move stack backup to SAVE_STATE macro

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Remove code duplicity and move it to SAVE_STATE macro.
There is no impact on performance.

Signed-off-by: Michal Simek <monstr@monstr.eu>
This commit is contained in:
Michal Simek 2010-06-22 14:13:09 +02:00
parent 96014cc39b
commit 63708f635c
1 changed files with 1 additions and 4 deletions
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5
arch/microblaze/kernel/entry.S
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@ -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