diff options
Diffstat (limited to 'arch/arc/kernel')
| -rw-r--r-- | arch/arc/kernel/entry.S | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S index 0c6d664d4a83..53655bf4c9d7 100644 --- a/arch/arc/kernel/entry.S +++ b/arch/arc/kernel/entry.S @@ -355,8 +355,8 @@ ARC_ENTRY EV_TLBProtV ; ecr and efa were not saved in case an Intr sneaks in ; after fake rtie ; - lr r3, [ecr] - lr r4, [efa] + lr r2, [ecr] + lr r1, [efa] ; Faulting Data address ; --------(4) Return from CPU Exception Mode --------- ; Fake a rtie, but rtie to next label @@ -371,23 +371,17 @@ ARC_ENTRY EV_TLBProtV ; -Access Violaton (WRITE to READ ONLY Page) - for linux COW ; -Unaligned Access (READ/WRITE on odd boundary) ; - cmp r3, 0x230400 ; Misaligned data access ? + cmp r2, 0x230400 ; Misaligned data access ? beq 4f ;========= (6a) Access Violation Processing ======== - cmp r3, 0x230100 - mov r1, 0x0 ; if LD exception ? write = 0 - mov.ne r1, 0x1 ; else write = 1 - - mov r2, r4 ; faulting address mov r0, sp ; pt_regs bl do_page_fault b ret_from_exception ;========== (6b) Non aligned access ============ 4: - mov r0, r3 ; cause code - mov r1, r4 ; faulting address + mov r0, r2 ; cause code mov r2, sp ; pt_regs #ifdef CONFIG_ARC_MISALIGN_ACCESS |