diff options
| author | Vineet Gupta <vgupta@synopsys.com> | 2014-10-13 14:43:35 +0200 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2015-06-19 14:39:34 +0200 |
| commit | 09f3b37e4e3bbe22444617c273a3c046aade5db2 (patch) | |
| tree | b3f4bb8e144576aa0de20e2810a0fdbc857c1b1b /arch/arc/kernel/entry.S | |
| parent | ARC: entry.S: common'ize scrtach reg freeup in intr + exceptions (diff) | |
| download | linux-09f3b37e4e3bbe22444617c273a3c046aade5db2.tar.xz linux-09f3b37e4e3bbe22444617c273a3c046aade5db2.zip | |
ARC: entry.S: Introduce INTERRUPT_{PROLOGUE,EPILOGUE}
-common'ize macros for level 1 and level 2 interrupts
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/kernel/entry.S')
| -rw-r--r-- | arch/arc/kernel/entry.S | 22 |
1 files changed, 4 insertions, 18 deletions
diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S index 13b14b8dcd8d..03a349520b55 100644 --- a/arch/arc/kernel/entry.S +++ b/arch/arc/kernel/entry.S @@ -186,14 +186,7 @@ reserved: ; processor restart ; --------------------------------------------- ENTRY(handle_interrupt_level2) - ; free up r9 as scratchpad - PROLOG_FREEUP_REG r9, @int2_saved_reg - - ;Which mode (user/kernel) was the system in when intr occured - lr r9, [status32_l2] - - SWITCH_TO_KERNEL_STK - SAVE_ALL_INT2 + INTERRUPT_PROLOGUE 2 ;------------------------------------------------------ ; if L2 IRQ interrupted a L1 ISR, disable preemption @@ -233,13 +226,7 @@ END(handle_interrupt_level2) ; --------------------------------------------- ENTRY(handle_interrupt_level1) - PROLOG_FREEUP_REG r9, @int1_saved_reg - - ;Which mode (user/kernel) was the system in when intr occured - lr r9, [status32_l1] - - SWITCH_TO_KERNEL_STK - SAVE_ALL_INT1 + INTERRUPT_PROLOGUE 1 lr r0, [icause1] and r0, r0, 0x1f @@ -698,7 +685,7 @@ not_exception: 149: ;return from level 2 - RESTORE_ALL_INT2 + INTERRUPT_EPILOGUE 2 debug_marker_l2: rtie @@ -709,8 +696,7 @@ not_level2_interrupt: bbit0 r10, STATUS_A1_BIT, not_level1_interrupt ;return from level 1 - - RESTORE_ALL_INT1 + INTERRUPT_EPILOGUE 1 debug_marker_l1: rtie |