7f386ac327
Create general kernel debugger cache flushing for MN10300 and get rid of the old stuff that gdbstub was using. Signed-off-by: David Howells <dhowells@redhat.com>
47 lines
1.3 KiB
ArmAsm
47 lines
1.3 KiB
ArmAsm
/* MN10300 CPU cache invalidation routines
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*
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* Copyright (C) 2011 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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*/
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#include <linux/sys.h>
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#include <linux/linkage.h>
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#include <asm/smp.h>
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#include <asm/page.h>
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#include <asm/cache.h>
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#include <asm/irqflags.h>
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#include <asm/cacheflush.h>
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#include "cache.inc"
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.am33_2
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.globl debugger_local_cache_flushinv
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###############################################################################
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#
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# void debugger_local_cache_flushinv(void)
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#
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# Invalidate the entire icache
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#
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###############################################################################
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ALIGN
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.globl debugger_local_cache_flushinv
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.type debugger_local_cache_flushinv,@function
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debugger_local_cache_flushinv:
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#
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# we only need to invalidate the icache in this cache mode
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#
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mov CHCTR,a0
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movhu (a0),d0
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btst CHCTR_ICEN,d0
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beq debugger_local_cache_flushinv_end
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invalidate_icache 1
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debugger_local_cache_flushinv_end:
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ret [],0
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.size debugger_local_cache_flushinv,.-debugger_local_cache_flushinv
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