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Diffstat (limited to 'arch/arc/cpu/arc700/start.S')
| -rw-r--r-- | arch/arc/cpu/arc700/start.S | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/arc/cpu/arc700/start.S b/arch/arc/cpu/arc700/start.S index 563513b690..4d505bfb7c 100644 --- a/arch/arc/cpu/arc700/start.S +++ b/arch/arc/cpu/arc700/start.S @@ -57,11 +57,13 @@ .endm .macro SAVE_ALL_SYS - + /* saving %r0 to reg->r0 in advance since we read %ecr into it */ + st %r0, [%sp, -8] + lr %r0, [%ecr] /* all stack addressing is manual so far */ st %r0, [%sp] - lr %r0, [%ecr] - st %r0, [%sp, 8] /* ECR */ - st %sp, [%sp, 4] + st %sp, [%sp, -4] + /* now move %sp to reg->r0 position so we can do "push" automatically */ + sub %sp, %sp, 8 SAVE_R1_TO_R24 PUSH %r25 |