renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-19 02:34:01 +08:00
Code

score: move save arg5 and arg6 instruction in front of enable_irq

Browse Source 
Because enable_irq clobber r8 before arg5 was saved.

	modified:   arch/score/kernel/entry.S

Signed-off-by: Chen Liqin <liqin.chen@sunplusct.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Chen Liqin 2009-06-22 17:10:57 +08:00 committed by Arnd Bergmann
parent 2f476ef61f
commit e831a9c618
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/score/kernel/entry.S
View File

@ -395,13 +395,13 @@ ENTRY(resume)
ENTRY(handle_sys) ENTRY(handle_sys)
SAVE_ALL SAVE_ALL
sw r8, [r0, 16] # argument 5 from user r8
sw r9, [r0, 20] # argument 6 from user r9
enable_irq enable_irq
sw r4, [r0, PT_ORIG_R4] #for restart syscall sw r4, [r0, PT_ORIG_R4] #for restart syscall
sw r7, [r0, PT_ORIG_R7] #for restart syscall sw r7, [r0, PT_ORIG_R7] #for restart syscall
sw r27, [r0, PT_IS_SYSCALL] # it from syscall sw r27, [r0, PT_IS_SYSCALL] # it from syscall
sw r8, [r0, 16] # argument 5 from user r8
sw r9, [r0, 20] # argument 6 from user r9
lw r9, [r0, PT_EPC] # skip syscall on return lw r9, [r0, PT_EPC] # skip syscall on return
addi r9, 4 addi r9, 4