0,0 → 1,98 |
/* |
* 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 sparc64mm |
* @{ |
*/ |
/** @file |
*/ |
|
#ifndef KERN_sparc64_TTE_H_ |
#define KERN_sparc64_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 __ASM__ |
|
#include <arch/types.h> |
|
#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. */ |
unsigned diag : 9; /**< Diagnostic data. */ |
unsigned pfn : 28; /**< Physical Address bits, bits 40:13. */ |
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 __ASM__ */ |
|
#endif |
|
/** @} |
*/ |