diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-04-14 00:02:16 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-04-14 00:02:22 +0200 |
commit | b5c851a88a369854c04e511cefb84ea2d0cfa209 (patch) | |
tree | 55084d3d51708f90f27d0a70db5ab63916942f14 /include/asm-mn10300/frame.inc | |
parent | eb02ce017dd83985041a7e54c6449f92d53b026f (diff) | |
parent | 80a04d3f2f94fb68b5df05e3ac6697130bc3467a (diff) |
Merge branch 'linus' into tracing/core
Merge reason: merge latest tracing fixes to avoid conflicts in
kernel/trace/trace_events_filter.c with upcoming change
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-mn10300/frame.inc')
-rw-r--r-- | include/asm-mn10300/frame.inc | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/include/asm-mn10300/frame.inc b/include/asm-mn10300/frame.inc deleted file mode 100644 index 5b1949bdf03..00000000000 --- a/include/asm-mn10300/frame.inc +++ /dev/null @@ -1,91 +0,0 @@ -/* MN10300 Microcontroller core system register definitions -*- asm -*- - * - * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public Licence - * as published by the Free Software Foundation; either version - * 2 of the Licence, or (at your option) any later version. - */ -#ifndef _ASM_FRAME_INC -#define _ASM_FRAME_INC - -#ifndef __ASSEMBLY__ -#error not for use in C files -#endif - -#ifndef __ASM_OFFSETS_H__ -#include <asm/asm-offsets.h> -#endif - -#define pi break - -#define fp a3 - -############################################################################### -# -# build a stack frame from the registers -# - the caller has subtracted 4 from SP before coming here -# -############################################################################### -.macro SAVE_ALL - add -4,sp # next exception frame ptr save area - movm [other],(sp) - mov usp,a1 - mov a1,(sp) # USP in MOVM[other] dummy slot - movm [d2,d3,a2,a3,exreg0,exreg1,exother],(sp) - mov sp,fp # FRAME pointer in A3 - add -12,sp # allow for calls to be made - mov (__frame),a1 - mov a1,(REG_NEXT,fp) - mov fp,(__frame) - - and ~EPSW_FE,epsw # disable the FPU inside the kernel - - # we may be holding current in E2 -#ifdef CONFIG_MN10300_CURRENT_IN_E2 - mov (__current),e2 -#endif -.endm - -############################################################################### -# -# restore the registers from a stack frame -# -############################################################################### -.macro RESTORE_ALL - # peel back the stack to the calling frame - # - this permits execve() to discard extra frames due to kernel syscalls - mov (__frame),fp - mov fp,sp - mov (REG_NEXT,fp),d0 # userspace has regs->next == 0 - mov d0,(__frame) - -#ifndef CONFIG_MN10300_USING_JTAG - mov (REG_EPSW,fp),d0 - btst EPSW_T,d0 - beq 99f - - or EPSW_NMID,epsw - movhu (DCR),d1 - or 0x0001, d1 - movhu d1,(DCR) - -99: -#endif - movm (sp),[d2,d3,a2,a3,exreg0,exreg1,exother] - - # must restore usp even if returning to kernel space, - # when CONFIG_PREEMPT is enabled. - mov (sp),a1 # USP in MOVM[other] dummy slot - mov a1,usp - - movm (sp),[other] - add 8,sp - rti - -.endm - - -#endif /* _ASM_FRAME_INC */ |