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/* $NetBSD: cache.c,v 1.33 2005/12/24 23:24:01 perry Exp $ */
/*-
* Copyright 2001, 2002 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Jason R. Thorpe and Simon Burge for Wasabi Systems, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*-
* Copyright 2000, 2001
* Broadcom Corporation. All rights reserved.
*
* This software is furnished under license and may be used and copied only
* in accordance with the following terms and conditions. Subject to these
* conditions, you may download, copy, install, use, modify and distribute
* modified or unmodified copies of this software in source and/or binary
* form. No title or ownership is transferred hereby.
*
* 1) Any source code used, modified or distributed must reproduce and
* retain this copyright notice and list of conditions as they appear in
* the source file.
*
* 2) No right is granted to use any trade name, trademark, or logo of
* Broadcom Corporation. The "Broadcom Corporation" name may not be
* used to endorse or promote products derived from this software
* without the prior written permission of Broadcom Corporation.
*
* 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
* FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
* LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/systm.h>
#include <machine/cpuinfo.h>
#include <machine/cache.h>
struct mips_cache_ops mips_cache_ops;
#if defined(MIPS_DISABLE_L1_CACHE) || defined(CPU_RMI) || defined(CPU_NLM)
static void
cache_noop(vm_offset_t va, vm_size_t size)
{
}
#endif
void
mips_config_cache(struct mips_cpuinfo * cpuinfo)
{
switch (cpuinfo->l1.ic_linesize) {
case 16:
mips_cache_ops.mco_icache_sync_all = mipsNN_icache_sync_all_16;
mips_cache_ops.mco_icache_sync_range =
mipsNN_icache_sync_range_16;
mips_cache_ops.mco_icache_sync_range_index =
mipsNN_icache_sync_range_index_16;
break;
case 32:
mips_cache_ops.mco_icache_sync_all = mipsNN_icache_sync_all_32;
mips_cache_ops.mco_icache_sync_range =
mipsNN_icache_sync_range_32;
mips_cache_ops.mco_icache_sync_range_index =
mipsNN_icache_sync_range_index_32;
break;
#ifdef CPU_CNMIPS
case 128:
mips_cache_ops.mco_icache_sync_all = mipsNN_icache_sync_all_128;
mips_cache_ops.mco_icache_sync_range =
mipsNN_icache_sync_range_128;
mips_cache_ops.mco_icache_sync_range_index =
mipsNN_icache_sync_range_index_128;
break;
#endif
#ifdef MIPS_DISABLE_L1_CACHE
case 0:
mips_cache_ops.mco_icache_sync_all = cache_noop;
mips_cache_ops.mco_icache_sync_range =
(void (*)(vaddr_t, vsize_t))cache_noop;
mips_cache_ops.mco_icache_sync_range_index =
(void (*)(vaddr_t, vsize_t))cache_noop;
break;
#endif
default:
panic("no Icache ops for %d byte lines",
cpuinfo->l1.ic_linesize);
}
switch (cpuinfo->l1.dc_linesize) {
case 16:
mips_cache_ops.mco_pdcache_wbinv_all =
mips_cache_ops.mco_intern_pdcache_wbinv_all =
mipsNN_pdcache_wbinv_all_16;
mips_cache_ops.mco_pdcache_wbinv_range =
mipsNN_pdcache_wbinv_range_16;
mips_cache_ops.mco_pdcache_wbinv_range_index =
mips_cache_ops.mco_intern_pdcache_wbinv_range_index =
mipsNN_pdcache_wbinv_range_index_16;
mips_cache_ops.mco_pdcache_inv_range =
mipsNN_pdcache_inv_range_16;
mips_cache_ops.mco_pdcache_wb_range =
mips_cache_ops.mco_intern_pdcache_wb_range =
mipsNN_pdcache_wb_range_16;
break;
case 32:
mips_cache_ops.mco_pdcache_wbinv_all =
mips_cache_ops.mco_intern_pdcache_wbinv_all =
mipsNN_pdcache_wbinv_all_32;
#if defined(CPU_RMI) || defined(CPU_NLM)
mips_cache_ops.mco_pdcache_wbinv_range = cache_noop;
#else
mips_cache_ops.mco_pdcache_wbinv_range =
mipsNN_pdcache_wbinv_range_32;
#endif
#if defined(CPU_RMI) || defined(CPU_NLM)
mips_cache_ops.mco_pdcache_wbinv_range_index =
mips_cache_ops.mco_intern_pdcache_wbinv_range_index = cache_noop;
mips_cache_ops.mco_pdcache_inv_range = cache_noop;
#else
mips_cache_ops.mco_pdcache_wbinv_range_index =
mips_cache_ops.mco_intern_pdcache_wbinv_range_index =
mipsNN_pdcache_wbinv_range_index_32;
mips_cache_ops.mco_pdcache_inv_range =
mipsNN_pdcache_inv_range_32;
#endif
#if defined(CPU_RMI) || defined(CPU_NLM)
mips_cache_ops.mco_pdcache_wb_range =
mips_cache_ops.mco_intern_pdcache_wb_range = cache_noop;
#else
mips_cache_ops.mco_pdcache_wb_range =
mips_cache_ops.mco_intern_pdcache_wb_range =
mipsNN_pdcache_wb_range_32;
#endif
break;
#ifdef CPU_CNMIPS
case 128:
mips_cache_ops.mco_pdcache_wbinv_all =
mips_cache_ops.mco_intern_pdcache_wbinv_all =
mipsNN_pdcache_wbinv_all_128;
mips_cache_ops.mco_pdcache_wbinv_range =
mipsNN_pdcache_wbinv_range_128;
mips_cache_ops.mco_pdcache_wbinv_range_index =
mips_cache_ops.mco_intern_pdcache_wbinv_range_index =
mipsNN_pdcache_wbinv_range_index_128;
mips_cache_ops.mco_pdcache_inv_range =
mipsNN_pdcache_inv_range_128;
mips_cache_ops.mco_pdcache_wb_range =
mips_cache_ops.mco_intern_pdcache_wb_range =
mipsNN_pdcache_wb_range_128;
break;
#endif
#ifdef MIPS_DISABLE_L1_CACHE
case 0:
mips_cache_ops.mco_pdcache_wbinv_all = cache_noop;
mips_cache_ops.mco_intern_pdcache_wbinv_all = cache_noop;
mips_cache_ops.mco_pdcache_wbinv_range =
(void (*)(vaddr_t, vsize_t))cache_noop;
mips_cache_ops.mco_pdcache_wbinv_range_index =
(void (*)(vaddr_t, vsize_t))cache_noop;
mips_cache_ops.mco_intern_pdcache_wbinv_range_index =
(void (*)(vaddr_t, vsize_t))cache_noop;
mips_cache_ops.mco_pdcache_inv_range =
(void (*)(vaddr_t, vsize_t))cache_noop;
mips_cache_ops.mco_pdcache_wb_range =
(void (*)(vaddr_t, vsize_t))cache_noop;
mips_cache_ops.mco_intern_pdcache_wb_range =
(void (*)(vaddr_t, vsize_t))cache_noop;
break;
#endif
default:
panic("no Dcache ops for %d byte lines",
cpuinfo->l1.dc_linesize);
}
mipsNN_cache_init(cpuinfo);
#if 0
if (mips_cpu_flags &
(CPU_MIPS_D_CACHE_COHERENT | CPU_MIPS_I_D_CACHE_COHERENT)) {
#ifdef CACHE_DEBUG
printf(" Dcache is coherent\n");
#endif
mips_cache_ops.mco_pdcache_wbinv_all = cache_noop;
mips_cache_ops.mco_pdcache_wbinv_range =
(void (*)(vaddr_t, vsize_t))cache_noop;
mips_cache_ops.mco_pdcache_wbinv_range_index =
(void (*)(vaddr_t, vsize_t))cache_noop;
mips_cache_ops.mco_pdcache_inv_range =
(void (*)(vaddr_t, vsize_t))cache_noop;
mips_cache_ops.mco_pdcache_wb_range =
(void (*)(vaddr_t, vsize_t))cache_noop;
}
if (mips_cpu_flags & CPU_MIPS_I_D_CACHE_COHERENT) {
#ifdef CACHE_DEBUG
printf(" Icache is coherent against Dcache\n");
#endif
mips_cache_ops.mco_intern_pdcache_wbinv_all =
cache_noop;
mips_cache_ops.mco_intern_pdcache_wbinv_range_index =
(void (*)(vaddr_t, vsize_t))cache_noop;
mips_cache_ops.mco_intern_pdcache_wb_range =
(void (*)(vaddr_t, vsize_t))cache_noop;
}
#endif
/* Check that all cache ops are set up. */
/* must have primary Icache */
if (cpuinfo->l1.ic_size) {
if (!mips_cache_ops.mco_icache_sync_all)
panic("no icache_sync_all cache op");
if (!mips_cache_ops.mco_icache_sync_range)
panic("no icache_sync_range cache op");
if (!mips_cache_ops.mco_icache_sync_range_index)
panic("no icache_sync_range_index cache op");
}
/* must have primary Dcache */
if (cpuinfo->l1.dc_size) {
if (!mips_cache_ops.mco_pdcache_wbinv_all)
panic("no pdcache_wbinv_all");
if (!mips_cache_ops.mco_pdcache_wbinv_range)
panic("no pdcache_wbinv_range");
if (!mips_cache_ops.mco_pdcache_wbinv_range_index)
panic("no pdcache_wbinv_range_index");
if (!mips_cache_ops.mco_pdcache_inv_range)
panic("no pdcache_inv_range");
if (!mips_cache_ops.mco_pdcache_wb_range)
panic("no pdcache_wb_range");
}
/* XXXMIPS: No secondary cache handlers yet */
#ifdef notyet
if (mips_sdcache_size) {
if (!mips_cache_ops.mco_sdcache_wbinv_all)
panic("no sdcache_wbinv_all");
if (!mips_cache_ops.mco_sdcache_wbinv_range)
panic("no sdcache_wbinv_range");
if (!mips_cache_ops.mco_sdcache_wbinv_range_index)
panic("no sdcache_wbinv_range_index");
if (!mips_cache_ops.mco_sdcache_inv_range)
panic("no sdcache_inv_range");
if (!mips_cache_ops.mco_sdcache_wb_range)
panic("no sdcache_wb_range");
}
#endif
}
|
