mirror of
https://github.com/torvalds/linux.git
synced 2024-12-26 21:02:19 +00:00
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>
48 lines
1.3 KiB
ArmAsm
48 lines
1.3 KiB
ArmAsm
/* 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
|