From 63708f635c1702ac512626d7afe558de2b18554a Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Tue, 22 Jun 2010 14:13:09 +0200 Subject: [PATCH] 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 --- arch/microblaze/kernel/entry.S | 5 +---- 1 file changed, 1 insertion(+), 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 -- 2.39.5