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-rw-r--r--include/asm-mn10300/frame.inc91
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 */