diff options
Diffstat (limited to 'arch/arc/kernel/entry.S')
| -rw-r--r-- | arch/arc/kernel/entry.S | 40 |
1 files changed, 17 insertions, 23 deletions
diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S index fb0fe3265637..1d7165156e17 100644 --- a/arch/arc/kernel/entry.S +++ b/arch/arc/kernel/entry.S @@ -274,10 +274,8 @@ ARC_ENTRY instr_service SWITCH_TO_KERNEL_STK SAVE_ALL_SYS - lr r0, [ecr] - lr r1, [efa] - - mov r2, sp + lr r0, [efa] + mov r1, sp FAKE_RET_FROM_EXCPN r9 @@ -298,9 +296,8 @@ ARC_ENTRY mem_service SWITCH_TO_KERNEL_STK SAVE_ALL_SYS - lr r0, [ecr] - lr r1, [efa] - mov r2, sp + lr r0, [efa] + mov r1, sp bl do_memory_error b ret_from_exception ARC_EXIT mem_service @@ -317,11 +314,11 @@ ARC_ENTRY EV_MachineCheck SWITCH_TO_KERNEL_STK SAVE_ALL_SYS - lr r0, [ecr] - lr r1, [efa] - mov r2, sp + lr r2, [ecr] + lr r0, [efa] + mov r1, sp - lsr r3, r0, 8 + lsr r3, r2, 8 bmsk r3, r3, 7 brne r3, ECR_C_MCHK_DUP_TLB, 1f @@ -384,12 +381,12 @@ ARC_ENTRY EV_TLBProtV ;========== (6b) Non aligned access ============ 4: - mov r0, r2 ; cause code - mov r2, sp ; pt_regs + mov r0, r1 + mov r1, sp ; pt_regs #ifdef CONFIG_ARC_MISALIGN_ACCESS SAVE_CALLEE_SAVED_USER - mov r3, sp ; callee_regs + mov r2, sp ; callee_regs bl do_misaligned_access @@ -416,9 +413,8 @@ ARC_ENTRY EV_PrivilegeV SWITCH_TO_KERNEL_STK SAVE_ALL_SYS - lr r0, [ecr] - lr r1, [efa] - mov r2, sp + lr r0, [efa] + mov r1, sp FAKE_RET_FROM_EXCPN r9 @@ -437,9 +433,8 @@ ARC_ENTRY EV_Extension SWITCH_TO_KERNEL_STK SAVE_ALL_SYS - lr r0, [ecr] - lr r1, [efa] - mov r2, sp + lr r0, [efa] + mov r1, sp bl do_extension_fault b ret_from_exception ARC_EXIT EV_Extension @@ -495,9 +490,8 @@ tracesys_exit: trap_with_param: ; stop_pc info by gdb needs this info - mov r0, r12 - lr r1, [efa] - mov r2, sp + lr r0, [efa] + mov r1, sp ; Now that we have read EFA, its safe to do "fake" rtie ; and get out of CPU exception mode |