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kernel/linux-rt-4.4.41/arch/mn10300/mm/cache-dbg-inv.S 1.28 KB
5113f6f70   김현기   kernel add
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  /* MN10300 CPU cache invalidation routines
   *
   * Copyright (C) 2011 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.
   */
  #include <linux/sys.h>
  #include <linux/linkage.h>
  #include <asm/smp.h>
  #include <asm/page.h>
  #include <asm/cache.h>
  #include <asm/irqflags.h>
  #include <asm/cacheflush.h>
  #include "cache.inc"
  
  	.am33_2
  
  	.globl	debugger_local_cache_flushinv
  
  ###############################################################################
  #
  # void debugger_local_cache_flushinv(void)
  #
  # Invalidate the entire icache
  #
  ###############################################################################
  	ALIGN
  	.globl	debugger_local_cache_flushinv
          .type	debugger_local_cache_flushinv,@function
  debugger_local_cache_flushinv:
  	#
  	# we only need to invalidate the icache in this cache mode
  	#
  	mov	CHCTR,a0
  	movhu	(a0),d0
  	btst	CHCTR_ICEN,d0
  	beq	debugger_local_cache_flushinv_end
  
  	invalidate_icache 1
  
  debugger_local_cache_flushinv_end:
  	ret	[],0
  	.size	debugger_local_cache_flushinv,.-debugger_local_cache_flushinv