projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 7f386ac3 DH |
1 | /* MN10300 CPU cache invalidation routines |
| 2 | * | |
| 3 | * Copyright (C) 2011 Red Hat, Inc. All Rights Reserved. | |
| 4 | * Written by David Howells (dhowells@redhat.com) | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or | |
| 7 | * modify it under the terms of the GNU General Public Licence | |
| 8 | * as published by the Free Software Foundation; either version | |
| 9 | * 2 of the Licence, or (at your option) any later version. | |
| 10 | */ | |
| 11 | #include <linux/sys.h> | |
| 12 | #include <linux/linkage.h> | |
| 13 | #include <asm/smp.h> | |
| 14 | #include <asm/page.h> | |
| 15 | #include <asm/cache.h> | |
| 16 | #include <asm/irqflags.h> | |
| 17 | #include <asm/cacheflush.h> | |
| 18 | #include "cache.inc" | |
| 19 | ||
| 20 | .am33_2 | |
| 21 | ||
| 22 | .globl debugger_local_cache_flushinv | |
| 23 | ||
| 24 | ############################################################################### | |
| 25 | # | |
| 26 | # void debugger_local_cache_flushinv(void) | |
| 27 | # | |
| 28 | # Invalidate the entire icache | |
| 29 | # | |
| 30 | ############################################################################### | |
| 31 | ALIGN | |
| 32 | .globl debugger_local_cache_flushinv | |
| 33 | .type debugger_local_cache_flushinv,@function | |
| 34 | debugger_local_cache_flushinv: | |
| 35 | # | |
| 36 | # we only need to invalidate the icache in this cache mode | |
| 37 | # | |
| 38 | mov CHCTR,a0 | |
| 39 | movhu (a0),d0 | |
| 40 | btst CHCTR_ICEN,d0 | |
| 41 | beq debugger_local_cache_flushinv_end | |
| 42 | ||
| 43 | invalidate_icache 1 | |
| 44 | ||
| 45 | debugger_local_cache_flushinv_end: | |
| 46 | ret [],0 | |
| 47 | .size debugger_local_cache_flushinv,.-debugger_local_cache_flushinv |