hypervisor/src/greatlakes/common/include/cache.h

/*
* ========== Copyright Header Begin ==========================================
*
* Hypervisor Software File: cache.h
*
* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
*
*  - Do no alter or remove copyright notices
*
*  - Redistribution and use of this software in source and binary forms, with
*    or without modification, are permitted provided that the following
*    conditions are met:
*
*  - Redistribution of source code must retain the above copyright notice,
*    this list of conditions and the following disclaimer.
*
*  - Redistribution 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.
*
*    Neither the name of Sun Microsystems, Inc. or the names of contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
*     This software is provided "AS IS," without a warranty of any kind.
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN
* OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR
* FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed, licensed or
* intended for use in the design, construction, operation or maintenance of
* any nuclear facility.
*
* ========== Copyright Header End ============================================
*/
/*
 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _CACHE_H
#define _CACHE_H

#pragma ident   "@(#)cache.h    1.8     07/05/03 SMI"

#ifdef __cplusplus
extern "C" {
#endif

#include <platform/cache.h>

/*
 * L1 icache
 */
#define ICACHE_MAX_WAYS         4
#define ICACHE_NUM_OF_WORDS     8

/*
 * L1 Instruction Cache Data Diagnostic Addressing
 */
#define ICACHE_INSTR_WAY_SHIFT  16
#define ICACHE_INSTR_WAY_MASK   (0x2 << ICACHE_INSTR_WAY_SHIFT)
#define ICACHE_INSTR_SET_SHIFT  6
#define ICACHE_INSTR_SET_MASK   (0x7f << ICACHE_INSTR_SET_SHIFT)
#define ICACHE_INSTR_WORD_SHIFT 3
#define ICACHE_INSTR_WORD_MASK  (0x3 << ICACHE_INSTR_WORD_SHIFT)

#define ICACHE_PA_SET_SHIFT     5
#define ICACHE_PA_SET_MASK      (0x7f << ICACHE_PA_SET_SHIFT)
#define ICACHE_PA_WORD_SHIFT    2
#define ICACHE_PA_WORD_MASK     (0x3 << ICACHE_PA_WORD_SHIFT)

/*
 * L1 Instruction Cache Tag Diagnostic Addressing
 */
#define ICACHE_TAG_WAY_SHIFT    16
#define ICACHE_TAG_WAY_MASK     (0x2 << ICACHE_TAG_WAY_SHIFT)
#define ICACHE_TAG_SET_SHIFT    6
#define ICACHE_TAG_SET_MASK     (0x7f << ICACHE_TAG_SET_SHIFT)
#define ICACHE_PA2SET_SHIFT     5
#define ICACHE_PA2SET_MASK      (0x7f << ICACHE_PA2SET_SHIFT)
#define ICACHE_SETFROMPA_SHIFT  1
#define ICACHE_TAG_VALID        34

/*
 * L1 Data Cache Diagnostic Addressing
 */
#define DCACHE_MAX_WAYS         4
#define DCACHE_NUM_OF_WORDS     2
#define DCACHE_WAY_SHIFT        11
#define DCACHE_SET_MASK         0x7f
#define DCACHE_SET_SHIFT        4
#define DCACHE_SET              (DCACHE_SET_MASK << DCACHE_SET_SHIFT)
#define DCACHE_TAG_MASK         0x3ffffffe
#define DCACHE_TAG_SHIFT        11
#define DCACHE_TAG_VALID        1
#define DCACHE_WORD_MASK        0x1
#define DCACHE_WORD_SHIFT       3

/*
 * L2 diagnostic tag fields
 */
#define L2_PA_TAG_SHIFT         18
#ifdef _ASM
#define L2_PA_TAG_MASK          0xfffffc0000
#else
#define L2_PA_TAG_MASK          (0x3fffffULL << L2_PA_TAG_SHIFT)
#endif
#define L2_TAG_SHIFT            6
#ifdef _ASM
#define L2_TAG_MASK             0xfffffc0
#else
#define L2_TAG_MASK             (0x3fffffULL << L2_TAG_SHIFT)
#endif
#define L2_TAG(pa)              ((pa & L2_PA_TAG_MASK) >> L2_PA_TAG_SHIFT)

#define L2_TAG_ECC_SHIFT        0
#define L2_TAG_ECC_MASK         (0x3fULL << L2_TAG_ECC_SHIFT)

#define L2_TAG_DIAG_SELECT              0xa4
#define L2_TAG_DIAG_SELECT_SHIFT        32
#define L2_INDEX_MASK                   (L2_SET_MASK << L2_SET_SHIFT) | \
                                        (L2_BANK_MASK << L2_BANK_SHIFT)

#ifdef __cplusplus
}
#endif

#endif /* _CACHE_H */