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ARC: entry.S: common'ize scrtach reg freeup in intr + exceptions

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Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Vineet Gupta
2014-10-13 15:12:25 +05:30
parent 11e14896ea
commit fbfa26ae3b
2 changed files with 18 additions and 27 deletions
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10
arch/arc/kernel/entry.S
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@@ -186,9 +186,8 @@ reserved: ; processor restart
; ---------------------------------------------
ENTRY(handle_interrupt_level2)
; TODO-vineetg for SMP this wont work
; free up r9 as scratchpad
st r9, [@int2_saved_reg]
PROLOG_FREEUP_REG r9, @int2_saved_reg
;Which mode (user/kernel) was the system in when intr occured
lr r9, [status32_l2]
@@ -234,12 +233,7 @@ END(handle_interrupt_level2)
; ---------------------------------------------
ENTRY(handle_interrupt_level1)
/* free up r9 as scratchpad */
#ifdef CONFIG_SMP
sr r9, [ARC_REG_SCRATCH_DATA0]
#else
st r9, [@int1_saved_reg]
#endif
PROLOG_FREEUP_REG r9, @int1_saved_reg
;Which mode (user/kernel) was the system in when intr occured
lr r9, [status32_l1]