| /* 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 |
