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author | David Howells <dhowells@redhat.com> | 2018-03-08 09:48:46 +0000 |
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committer | Arnd Bergmann <arnd@arndb.de> | 2018-03-09 23:19:56 +0100 |
commit | 739d875dd6982618020d30f58f8acf10f6076e6d (patch) | |
tree | 13deb11d5b2078e49d4e5b6175e5846a22a04b95 /arch/mn10300/include/asm/frame.inc | |
parent | b67aea2bbab780e412b8af3386cc9f78f61a4cac (diff) | |
download | linux-739d875dd6982618020d30f58f8acf10f6076e6d.tar.gz linux-739d875dd6982618020d30f58f8acf10f6076e6d.tar.bz2 linux-739d875dd6982618020d30f58f8acf10f6076e6d.zip |
mn10300: Remove the architecture
Remove the MN10300 arch as the hardware is defunct.
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Masahiro Yamada <yamada.masahiro@socionext.com>
cc: linux-am33-list@redhat.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/mn10300/include/asm/frame.inc')
-rw-r--r-- | arch/mn10300/include/asm/frame.inc | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/arch/mn10300/include/asm/frame.inc b/arch/mn10300/include/asm/frame.inc deleted file mode 100644 index 1c3eb4fda958..000000000000 --- a/arch/mn10300/include/asm/frame.inc +++ /dev/null @@ -1,97 +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 -#include <asm/thread_info.h> - -#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 - - # push the exception frame onto the front of the list - GET_THREAD_INFO a1 - mov (TI_frame,a1),a0 - mov a0,(REG_NEXT,fp) - mov fp,(TI_frame,a1) - - # disable the FPU inside the kernel - and ~EPSW_FE,epsw - - # 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 - # - we need that when returning from interrupts to kernel mode - GET_THREAD_INFO a0 - mov (TI_frame,a0),fp - mov fp,sp - mov (REG_NEXT,fp),d0 - mov d0,(TI_frame,a0) # userspace has regs->next == 0 - -#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 */ |