Subversion Repositories HelenOS

/*
 * Copyright (c) 2003-2004 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 mips32  
 * @{
 */
/** @file
 */

#ifndef KERN_mips32_TYPES_H_
#define KERN_mips32_TYPES_H_

typedef signed char int8_t;
typedef signed short int16_t;
typedef signed long int32_t;
typedef signed long long int64_t;

typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned long uint32_t;
typedef unsigned long long uint64_t;

typedef uint32_t size_t;
typedef uint32_t count_t;
typedef uint32_t index_t;

typedef uint32_t uintptr_t;
typedef uint32_t pfn_t;

typedef uint32_t ipl_t;

typedef uint32_t unative_t;
typedef int32_t native_t;

#define PRIp "x"    /**< Format for uintptr_t. */
#define PRIs "u"    /**< Format for size_t. */
#define PRIc "u"    /**< Format for count_t. */
#define PRIi "u"    /**< Format for index_t. */

#define PRId8 "d"   /**< Format for int8_t. */
#define PRId16 "d"  /**< Format for int16_t. */
#define PRId32 "ld" /**< Format for int32_t. */
#define PRId64 "lld"    /**< Format for int64_t. */
#define PRIdn "d"   /**< Format for native_t. */

#define PRIu8 "u"   /**< Format for uint8_t. */
#define PRIu16 "u"  /**< Format for uint16_t. */
#define PRIu32 "u"  /**< Format for uint32_t. */
#define PRIu64 "llu"    /**< Format for uint64_t. */
#define PRIun "u"   /**< Format for unative_t. */

#define PRIx8 "x"   /**< Format for hexadecimal (u)int8_t. */
#define PRIx16 "x"  /**< Format for hexadecimal (u)int16_t. */
#define PRIx32 "x"  /**< Format for hexadecimal (u)uint32_t. */
#define PRIx64 "llx"    /**< Format for hexadecimal (u)int64_t. */
#define PRIxn "x"   /**< Format for hexadecimal (u)native_t. */

/** Page Table Entry. */
typedef struct {
    unsigned g : 1;         /**< Global bit. */
    unsigned p : 1;         /**< Present bit. */
    unsigned d : 1;         /**< Dirty bit. */
    unsigned cacheable : 1;     /**< Cacheable bit. */
    unsigned : 1;           /**< Unused. */
    unsigned soft_valid : 1;    /**< Valid content even if not present. */
    unsigned pfn : 24;      /**< Physical frame number. */
    unsigned w : 1;         /**< Page writable bit. */
    unsigned a : 1;         /**< Accessed bit. */
} pte_t;

#endif

/** @}
 */