From f033737e77d98893f3d03586215aeec026dd7e2f Mon Sep 17 00:00:00 2001 From: Vineet Gupta Date: Tue, 14 Oct 2014 12:23:50 +0530 Subject: ARC: entry.S: canonical'ize EXCEPTION_{PROLOGUE,EPILOGUE} -EXCEPTION_EPILOGUE introduced -EXCEPTION_PROLOGUE now also includes reg file saving Signed-off-by: Vineet Gupta --- arch/arc/include/asm/entry.h | 17 +---------------- 1 file changed, 1 insertion(+), 16 deletions(-) (limited to 'arch/arc/include/asm/entry.h') diff --git a/arch/arc/include/asm/entry.h b/arch/arc/include/asm/entry.h index 934bb83..f3927a1 100644 --- a/arch/arc/include/asm/entry.h +++ b/arch/arc/include/asm/entry.h @@ -401,21 +401,6 @@ /* ARC700 doesn't provide auto-stack switching */ SWITCH_TO_KERNEL_STK - /* save the regfile */ - SAVE_ALL_SYS -.endm - -/*-------------------------------------------------------------- - * Save all registers used by Exceptions (TLB Miss, Prot-V, Mem err etc) - * Requires SP to be already switched to kernel mode Stack - * sp points to the next free element on the stack at exit of this macro. - * Registers are pushed / popped in the order defined in struct ptregs - * in asm/ptrace.h - * Note that syscalls are implemented via TRAP which is also a exception - * from CPU's point of view - *-------------------------------------------------------------*/ -.macro SAVE_ALL_SYS - lr r9, [ecr] st r9, [sp, 8] /* ECR */ st r0, [sp, 4] /* orig_r0, needed only for sys calls */ @@ -446,7 +431,7 @@ * for memory load operations. If used in that way interrupts are deffered * by hardware and that is not good. *-------------------------------------------------------------*/ -.macro RESTORE_ALL_SYS +.macro EXCEPTION_EPILOGUE POPAX erbta POPAX lp_start POPAX lp_end -- cgit v1.1