/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - 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.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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.
*/
/** @addtogroup kernel_sparc64_mm
* @{
*/
/** @file
*/
#ifndef KERN_sparc64_sun4u_TTE_H_
#define KERN_sparc64_sun4u_TTE_H_
#define TTE_G (1 << 0)
#define TTE_W (1 << 1)
#define TTE_P (1 << 2)
#define TTE_E (1 << 3)
#define TTE_CV (1 << 4)
#define TTE_CP (1 << 5)
#define TTE_L (1 << 6)
#define TTE_V_SHIFT 63
#define TTE_SIZE_SHIFT 61
#ifndef __ASSEMBLER__
#include <stdint.h>
/* TTE tag's VA_tag field contains bits <63:VA_TAG_PAGE_SHIFT> of the VA */
#define VA_TAG_PAGE_SHIFT 22
/** Translation Table Entry - Tag. */
union tte_tag {
uint64_t value;
struct {
unsigned g : 1; /**< Global. */
unsigned : 2; /**< Reserved. */
unsigned context : 13; /**< Context identifier. */
unsigned : 6; /**< Reserved. */
uint64_t va_tag : 42; /**< Virtual Address Tag, bits 63:22. */
} __attribute__((packed));
};
typedef union tte_tag tte_tag_t;
/** Translation Table Entry - Data. */
union tte_data {
uint64_t value;
struct {
unsigned v : 1; /**< Valid. */
unsigned size : 2; /**< Page size of this entry. */
unsigned nfo : 1; /**< No-Fault-Only. */
unsigned ie : 1; /**< Invert Endianness. */
unsigned soft2 : 9; /**< Software defined field. */
#if defined (US)
unsigned diag : 9; /**< Diagnostic data. */
unsigned pfn : 28; /**< Physical Address bits, bits 40:13. */
#elif defined (US3)
unsigned : 7; /**< Reserved. */
unsigned pfn : 30; /**< Physical Address bits, bits 42:13 */
#endif
unsigned soft : 6; /**< Software defined field. */
unsigned l : 1; /**< Lock. */
unsigned cp : 1; /**< Cacheable in physically indexed cache. */
unsigned cv : 1; /**< Cacheable in virtually indexed cache. */
unsigned e : 1; /**< Side-effect. */
unsigned p : 1; /**< Privileged. */
unsigned w : 1; /**< Writable. */
unsigned g : 1; /**< Global. */
} __attribute__((packed));
};
typedef union tte_data tte_data_t;
#endif /* !def __ASSEMBLER__ */
#endif
/** @}
*/