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acmacros.h revision 1.1.1.2
      1      1.1  jruoho /******************************************************************************
      2      1.1  jruoho  *
      3      1.1  jruoho  * Name: acmacros.h - C macros for the entire subsystem.
      4      1.1  jruoho  *
      5      1.1  jruoho  *****************************************************************************/
      6      1.1  jruoho 
      7  1.1.1.2  jruoho /*
      8  1.1.1.2  jruoho  * Copyright (C) 2000 - 2011, Intel Corp.
      9      1.1  jruoho  * All rights reserved.
     10      1.1  jruoho  *
     11  1.1.1.2  jruoho  * Redistribution and use in source and binary forms, with or without
     12  1.1.1.2  jruoho  * modification, are permitted provided that the following conditions
     13  1.1.1.2  jruoho  * are met:
     14  1.1.1.2  jruoho  * 1. Redistributions of source code must retain the above copyright
     15  1.1.1.2  jruoho  *    notice, this list of conditions, and the following disclaimer,
     16  1.1.1.2  jruoho  *    without modification.
     17  1.1.1.2  jruoho  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
     18  1.1.1.2  jruoho  *    substantially similar to the "NO WARRANTY" disclaimer below
     19  1.1.1.2  jruoho  *    ("Disclaimer") and any redistribution must be conditioned upon
     20  1.1.1.2  jruoho  *    including a substantially similar Disclaimer requirement for further
     21  1.1.1.2  jruoho  *    binary redistribution.
     22  1.1.1.2  jruoho  * 3. Neither the names of the above-listed copyright holders nor the names
     23  1.1.1.2  jruoho  *    of any contributors may be used to endorse or promote products derived
     24  1.1.1.2  jruoho  *    from this software without specific prior written permission.
     25  1.1.1.2  jruoho  *
     26  1.1.1.2  jruoho  * Alternatively, this software may be distributed under the terms of the
     27  1.1.1.2  jruoho  * GNU General Public License ("GPL") version 2 as published by the Free
     28  1.1.1.2  jruoho  * Software Foundation.
     29  1.1.1.2  jruoho  *
     30  1.1.1.2  jruoho  * NO WARRANTY
     31  1.1.1.2  jruoho  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     32  1.1.1.2  jruoho  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     33  1.1.1.2  jruoho  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
     34  1.1.1.2  jruoho  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     35  1.1.1.2  jruoho  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     36  1.1.1.2  jruoho  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     37  1.1.1.2  jruoho  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     38  1.1.1.2  jruoho  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     39  1.1.1.2  jruoho  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
     40  1.1.1.2  jruoho  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     41  1.1.1.2  jruoho  * POSSIBILITY OF SUCH DAMAGES.
     42  1.1.1.2  jruoho  */
     43      1.1  jruoho 
     44      1.1  jruoho #ifndef __ACMACROS_H__
     45      1.1  jruoho #define __ACMACROS_H__
     46      1.1  jruoho 
     47      1.1  jruoho 
     48      1.1  jruoho /*
     49      1.1  jruoho  * Extract data using a pointer. Any more than a byte and we
     50      1.1  jruoho  * get into potential aligment issues -- see the STORE macros below.
     51      1.1  jruoho  * Use with care.
     52      1.1  jruoho  */
     53      1.1  jruoho #define ACPI_GET8(ptr)                  *ACPI_CAST_PTR (UINT8, ptr)
     54      1.1  jruoho #define ACPI_GET16(ptr)                 *ACPI_CAST_PTR (UINT16, ptr)
     55      1.1  jruoho #define ACPI_GET32(ptr)                 *ACPI_CAST_PTR (UINT32, ptr)
     56      1.1  jruoho #define ACPI_GET64(ptr)                 *ACPI_CAST_PTR (UINT64, ptr)
     57      1.1  jruoho #define ACPI_SET8(ptr)                  *ACPI_CAST_PTR (UINT8, ptr)
     58      1.1  jruoho #define ACPI_SET16(ptr)                 *ACPI_CAST_PTR (UINT16, ptr)
     59      1.1  jruoho #define ACPI_SET32(ptr)                 *ACPI_CAST_PTR (UINT32, ptr)
     60      1.1  jruoho #define ACPI_SET64(ptr)                 *ACPI_CAST_PTR (UINT64, ptr)
     61      1.1  jruoho 
     62      1.1  jruoho /*
     63      1.1  jruoho  * printf() format helpers
     64      1.1  jruoho  */
     65      1.1  jruoho 
     66      1.1  jruoho /* Split 64-bit integer into two 32-bit values. Use with %8.8X%8.8X */
     67      1.1  jruoho 
     68      1.1  jruoho #define ACPI_FORMAT_UINT64(i)           ACPI_HIDWORD(i), ACPI_LODWORD(i)
     69      1.1  jruoho 
     70      1.1  jruoho #if ACPI_MACHINE_WIDTH == 64
     71      1.1  jruoho #define ACPI_FORMAT_NATIVE_UINT(i)      ACPI_FORMAT_UINT64(i)
     72      1.1  jruoho #else
     73      1.1  jruoho #define ACPI_FORMAT_NATIVE_UINT(i)      0, (i)
     74      1.1  jruoho #endif
     75      1.1  jruoho 
     76      1.1  jruoho 
     77      1.1  jruoho /*
     78      1.1  jruoho  * Macros for moving data around to/from buffers that are possibly unaligned.
     79      1.1  jruoho  * If the hardware supports the transfer of unaligned data, just do the store.
     80      1.1  jruoho  * Otherwise, we have to move one byte at a time.
     81      1.1  jruoho  */
     82      1.1  jruoho #ifdef ACPI_BIG_ENDIAN
     83      1.1  jruoho /*
     84      1.1  jruoho  * Macros for big-endian machines
     85      1.1  jruoho  */
     86      1.1  jruoho 
     87      1.1  jruoho /* These macros reverse the bytes during the move, converting little-endian to big endian */
     88      1.1  jruoho 
     89      1.1  jruoho                                                      /* Big Endian      <==        Little Endian */
     90      1.1  jruoho                                                      /*  Hi...Lo                     Lo...Hi     */
     91      1.1  jruoho /* 16-bit source, 16/32/64 destination */
     92      1.1  jruoho 
     93      1.1  jruoho #define ACPI_MOVE_16_TO_16(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[1];\
     94      1.1  jruoho                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[0];}
     95      1.1  jruoho 
     96      1.1  jruoho #define ACPI_MOVE_16_TO_32(d, s)        {(*(UINT32 *)(void *)(d))=0;\
     97      1.1  jruoho                                            ((UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\
     98      1.1  jruoho                                            ((UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];}
     99      1.1  jruoho 
    100      1.1  jruoho #define ACPI_MOVE_16_TO_64(d, s)        {(*(UINT64 *)(void *)(d))=0;\
    101      1.1  jruoho                                            ((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
    102      1.1  jruoho                                            ((UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
    103      1.1  jruoho 
    104      1.1  jruoho /* 32-bit source, 16/32/64 destination */
    105      1.1  jruoho 
    106      1.1  jruoho #define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
    107      1.1  jruoho 
    108      1.1  jruoho #define ACPI_MOVE_32_TO_32(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[3];\
    109      1.1  jruoho                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[2];\
    110      1.1  jruoho                                          ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\
    111      1.1  jruoho                                          ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];}
    112      1.1  jruoho 
    113      1.1  jruoho #define ACPI_MOVE_32_TO_64(d, s)        {(*(UINT64 *)(void *)(d))=0;\
    114      1.1  jruoho                                            ((UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[3];\
    115      1.1  jruoho                                            ((UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[2];\
    116      1.1  jruoho                                            ((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
    117      1.1  jruoho                                            ((UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
    118      1.1  jruoho 
    119      1.1  jruoho /* 64-bit source, 16/32/64 destination */
    120      1.1  jruoho 
    121      1.1  jruoho #define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
    122      1.1  jruoho 
    123      1.1  jruoho #define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)    /* Truncate to 32 */
    124      1.1  jruoho 
    125      1.1  jruoho #define ACPI_MOVE_64_TO_64(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[7];\
    126      1.1  jruoho                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[6];\
    127      1.1  jruoho                                          ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[5];\
    128      1.1  jruoho                                          ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[4];\
    129      1.1  jruoho                                          ((  UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[3];\
    130      1.1  jruoho                                          ((  UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[2];\
    131      1.1  jruoho                                          ((  UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
    132      1.1  jruoho                                          ((  UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
    133      1.1  jruoho #else
    134      1.1  jruoho /*
    135      1.1  jruoho  * Macros for little-endian machines
    136      1.1  jruoho  */
    137      1.1  jruoho 
    138      1.1  jruoho #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
    139      1.1  jruoho 
    140      1.1  jruoho /* The hardware supports unaligned transfers, just do the little-endian move */
    141      1.1  jruoho 
    142      1.1  jruoho /* 16-bit source, 16/32/64 destination */
    143      1.1  jruoho 
    144      1.1  jruoho #define ACPI_MOVE_16_TO_16(d, s)        *(UINT16 *)(void *)(d) = *(UINT16 *)(void *)(s)
    145      1.1  jruoho #define ACPI_MOVE_16_TO_32(d, s)        *(UINT32 *)(void *)(d) = *(UINT16 *)(void *)(s)
    146      1.1  jruoho #define ACPI_MOVE_16_TO_64(d, s)        *(UINT64 *)(void *)(d) = *(UINT16 *)(void *)(s)
    147      1.1  jruoho 
    148      1.1  jruoho /* 32-bit source, 16/32/64 destination */
    149      1.1  jruoho 
    150      1.1  jruoho #define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
    151      1.1  jruoho #define ACPI_MOVE_32_TO_32(d, s)        *(UINT32 *)(void *)(d) = *(UINT32 *)(void *)(s)
    152      1.1  jruoho #define ACPI_MOVE_32_TO_64(d, s)        *(UINT64 *)(void *)(d) = *(UINT32 *)(void *)(s)
    153      1.1  jruoho 
    154      1.1  jruoho /* 64-bit source, 16/32/64 destination */
    155      1.1  jruoho 
    156      1.1  jruoho #define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
    157      1.1  jruoho #define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)    /* Truncate to 32 */
    158      1.1  jruoho #define ACPI_MOVE_64_TO_64(d, s)        *(UINT64 *)(void *)(d) = *(UINT64 *)(void *)(s)
    159      1.1  jruoho 
    160      1.1  jruoho #else
    161      1.1  jruoho /*
    162      1.1  jruoho  * The hardware does not support unaligned transfers. We must move the
    163      1.1  jruoho  * data one byte at a time. These macros work whether the source or
    164      1.1  jruoho  * the destination (or both) is/are unaligned. (Little-endian move)
    165      1.1  jruoho  */
    166      1.1  jruoho 
    167      1.1  jruoho /* 16-bit source, 16/32/64 destination */
    168      1.1  jruoho 
    169      1.1  jruoho #define ACPI_MOVE_16_TO_16(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
    170      1.1  jruoho                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];}
    171      1.1  jruoho 
    172      1.1  jruoho #define ACPI_MOVE_16_TO_32(d, s)        {(*(UINT32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
    173      1.1  jruoho #define ACPI_MOVE_16_TO_64(d, s)        {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
    174      1.1  jruoho 
    175      1.1  jruoho /* 32-bit source, 16/32/64 destination */
    176      1.1  jruoho 
    177      1.1  jruoho #define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
    178      1.1  jruoho 
    179      1.1  jruoho #define ACPI_MOVE_32_TO_32(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
    180      1.1  jruoho                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\
    181      1.1  jruoho                                          ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\
    182      1.1  jruoho                                          ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];}
    183      1.1  jruoho 
    184      1.1  jruoho #define ACPI_MOVE_32_TO_64(d, s)        {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d, s);}
    185      1.1  jruoho 
    186      1.1  jruoho /* 64-bit source, 16/32/64 destination */
    187      1.1  jruoho 
    188      1.1  jruoho #define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
    189      1.1  jruoho #define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)    /* Truncate to 32 */
    190      1.1  jruoho #define ACPI_MOVE_64_TO_64(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
    191      1.1  jruoho                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\
    192      1.1  jruoho                                          ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\
    193      1.1  jruoho                                          ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];\
    194      1.1  jruoho                                          ((  UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[4];\
    195      1.1  jruoho                                          ((  UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[5];\
    196      1.1  jruoho                                          ((  UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[6];\
    197      1.1  jruoho                                          ((  UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[7];}
    198      1.1  jruoho #endif
    199      1.1  jruoho #endif
    200      1.1  jruoho 
    201      1.1  jruoho 
    202      1.1  jruoho /*
    203      1.1  jruoho  * Fast power-of-two math macros for non-optimized compilers
    204      1.1  jruoho  */
    205      1.1  jruoho #define _ACPI_DIV(value, PowerOf2)      ((UINT32) ((value) >> (PowerOf2)))
    206      1.1  jruoho #define _ACPI_MUL(value, PowerOf2)      ((UINT32) ((value) << (PowerOf2)))
    207      1.1  jruoho #define _ACPI_MOD(value, Divisor)       ((UINT32) ((value) & ((Divisor) -1)))
    208      1.1  jruoho 
    209      1.1  jruoho #define ACPI_DIV_2(a)                   _ACPI_DIV(a, 1)
    210      1.1  jruoho #define ACPI_MUL_2(a)                   _ACPI_MUL(a, 1)
    211      1.1  jruoho #define ACPI_MOD_2(a)                   _ACPI_MOD(a, 2)
    212      1.1  jruoho 
    213      1.1  jruoho #define ACPI_DIV_4(a)                   _ACPI_DIV(a, 2)
    214      1.1  jruoho #define ACPI_MUL_4(a)                   _ACPI_MUL(a, 2)
    215      1.1  jruoho #define ACPI_MOD_4(a)                   _ACPI_MOD(a, 4)
    216      1.1  jruoho 
    217      1.1  jruoho #define ACPI_DIV_8(a)                   _ACPI_DIV(a, 3)
    218      1.1  jruoho #define ACPI_MUL_8(a)                   _ACPI_MUL(a, 3)
    219      1.1  jruoho #define ACPI_MOD_8(a)                   _ACPI_MOD(a, 8)
    220      1.1  jruoho 
    221      1.1  jruoho #define ACPI_DIV_16(a)                  _ACPI_DIV(a, 4)
    222      1.1  jruoho #define ACPI_MUL_16(a)                  _ACPI_MUL(a, 4)
    223      1.1  jruoho #define ACPI_MOD_16(a)                  _ACPI_MOD(a, 16)
    224      1.1  jruoho 
    225      1.1  jruoho #define ACPI_DIV_32(a)                  _ACPI_DIV(a, 5)
    226      1.1  jruoho #define ACPI_MUL_32(a)                  _ACPI_MUL(a, 5)
    227      1.1  jruoho #define ACPI_MOD_32(a)                  _ACPI_MOD(a, 32)
    228      1.1  jruoho 
    229      1.1  jruoho /*
    230      1.1  jruoho  * Rounding macros (Power of two boundaries only)
    231      1.1  jruoho  */
    232      1.1  jruoho #define ACPI_ROUND_DOWN(value, boundary)    (((ACPI_SIZE)(value)) & \
    233      1.1  jruoho                                                 (~(((ACPI_SIZE) boundary)-1)))
    234      1.1  jruoho 
    235      1.1  jruoho #define ACPI_ROUND_UP(value, boundary)      ((((ACPI_SIZE)(value)) + \
    236      1.1  jruoho                                                 (((ACPI_SIZE) boundary)-1)) & \
    237      1.1  jruoho                                                 (~(((ACPI_SIZE) boundary)-1)))
    238      1.1  jruoho 
    239      1.1  jruoho /* Note: sizeof(ACPI_SIZE) evaluates to either 4 or 8 (32- vs 64-bit mode) */
    240      1.1  jruoho 
    241      1.1  jruoho #define ACPI_ROUND_DOWN_TO_32BIT(a)         ACPI_ROUND_DOWN(a, 4)
    242      1.1  jruoho #define ACPI_ROUND_DOWN_TO_64BIT(a)         ACPI_ROUND_DOWN(a, 8)
    243      1.1  jruoho #define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a)   ACPI_ROUND_DOWN(a, sizeof(ACPI_SIZE))
    244      1.1  jruoho 
    245      1.1  jruoho #define ACPI_ROUND_UP_TO_32BIT(a)           ACPI_ROUND_UP(a, 4)
    246      1.1  jruoho #define ACPI_ROUND_UP_TO_64BIT(a)           ACPI_ROUND_UP(a, 8)
    247      1.1  jruoho #define ACPI_ROUND_UP_TO_NATIVE_WORD(a)     ACPI_ROUND_UP(a, sizeof(ACPI_SIZE))
    248      1.1  jruoho 
    249      1.1  jruoho #define ACPI_ROUND_BITS_UP_TO_BYTES(a)      ACPI_DIV_8((a) + 7)
    250      1.1  jruoho #define ACPI_ROUND_BITS_DOWN_TO_BYTES(a)    ACPI_DIV_8((a))
    251      1.1  jruoho 
    252      1.1  jruoho #define ACPI_ROUND_UP_TO_1K(a)              (((a) + 1023) >> 10)
    253      1.1  jruoho 
    254      1.1  jruoho /* Generic (non-power-of-two) rounding */
    255      1.1  jruoho 
    256      1.1  jruoho #define ACPI_ROUND_UP_TO(value, boundary)   (((value) + ((boundary)-1)) / (boundary))
    257      1.1  jruoho 
    258      1.1  jruoho #define ACPI_IS_MISALIGNED(value)           (((ACPI_SIZE) value) & (sizeof(ACPI_SIZE)-1))
    259      1.1  jruoho 
    260      1.1  jruoho /*
    261      1.1  jruoho  * Bitmask creation
    262      1.1  jruoho  * Bit positions start at zero.
    263      1.1  jruoho  * MASK_BITS_ABOVE creates a mask starting AT the position and above
    264      1.1  jruoho  * MASK_BITS_BELOW creates a mask starting one bit BELOW the position
    265      1.1  jruoho  */
    266      1.1  jruoho #define ACPI_MASK_BITS_ABOVE(position)      (~((ACPI_UINT64_MAX) << ((UINT32) (position))))
    267      1.1  jruoho #define ACPI_MASK_BITS_BELOW(position)      ((ACPI_UINT64_MAX) << ((UINT32) (position)))
    268      1.1  jruoho 
    269      1.1  jruoho /* Bitfields within ACPI registers */
    270      1.1  jruoho 
    271      1.1  jruoho #define ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask)      ((Val << Pos) & Mask)
    272      1.1  jruoho #define ACPI_REGISTER_INSERT_VALUE(Reg, Pos, Mask, Val)  Reg = (Reg & (~(Mask))) | ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask)
    273      1.1  jruoho 
    274      1.1  jruoho #define ACPI_INSERT_BITS(Target, Mask, Source)          Target = ((Target & (~(Mask))) | (Source & Mask))
    275      1.1  jruoho 
    276      1.1  jruoho /*
    277      1.1  jruoho  * An ACPI_NAMESPACE_NODE can appear in some contexts
    278      1.1  jruoho  * where a pointer to an ACPI_OPERAND_OBJECT can also
    279      1.1  jruoho  * appear. This macro is used to distinguish them.
    280      1.1  jruoho  *
    281      1.1  jruoho  * The "Descriptor" field is the first field in both structures.
    282      1.1  jruoho  */
    283      1.1  jruoho #define ACPI_GET_DESCRIPTOR_TYPE(d)     (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType)
    284      1.1  jruoho #define ACPI_SET_DESCRIPTOR_TYPE(d, t)  (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType = t)
    285      1.1  jruoho 
    286      1.1  jruoho /*
    287      1.1  jruoho  * Macros for the master AML opcode table
    288      1.1  jruoho  */
    289      1.1  jruoho #if defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
    290      1.1  jruoho #define ACPI_OP(Name, PArgs, IArgs, ObjType, Class, Type, Flags) \
    291      1.1  jruoho     {Name, (UINT32)(PArgs), (UINT32)(IArgs), (UINT32)(Flags), ObjType, Class, Type}
    292      1.1  jruoho #else
    293      1.1  jruoho #define ACPI_OP(Name, PArgs, IArgs, ObjType, Class, Type, Flags) \
    294      1.1  jruoho     {(UINT32)(PArgs), (UINT32)(IArgs), (UINT32)(Flags), ObjType, Class, Type}
    295      1.1  jruoho #endif
    296      1.1  jruoho 
    297      1.1  jruoho #define ARG_TYPE_WIDTH                  5
    298      1.1  jruoho #define ARG_1(x)                        ((UINT32)(x))
    299      1.1  jruoho #define ARG_2(x)                        ((UINT32)(x) << (1 * ARG_TYPE_WIDTH))
    300      1.1  jruoho #define ARG_3(x)                        ((UINT32)(x) << (2 * ARG_TYPE_WIDTH))
    301      1.1  jruoho #define ARG_4(x)                        ((UINT32)(x) << (3 * ARG_TYPE_WIDTH))
    302      1.1  jruoho #define ARG_5(x)                        ((UINT32)(x) << (4 * ARG_TYPE_WIDTH))
    303      1.1  jruoho #define ARG_6(x)                        ((UINT32)(x) << (5 * ARG_TYPE_WIDTH))
    304      1.1  jruoho 
    305      1.1  jruoho #define ARGI_LIST1(a)                   (ARG_1(a))
    306      1.1  jruoho #define ARGI_LIST2(a, b)                (ARG_1(b)|ARG_2(a))
    307      1.1  jruoho #define ARGI_LIST3(a, b, c)             (ARG_1(c)|ARG_2(b)|ARG_3(a))
    308      1.1  jruoho #define ARGI_LIST4(a, b, c, d)          (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a))
    309      1.1  jruoho #define ARGI_LIST5(a, b, c, d, e)       (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a))
    310      1.1  jruoho #define ARGI_LIST6(a, b, c, d, e, f)    (ARG_1(f)|ARG_2(e)|ARG_3(d)|ARG_4(c)|ARG_5(b)|ARG_6(a))
    311      1.1  jruoho 
    312      1.1  jruoho #define ARGP_LIST1(a)                   (ARG_1(a))
    313      1.1  jruoho #define ARGP_LIST2(a, b)                (ARG_1(a)|ARG_2(b))
    314      1.1  jruoho #define ARGP_LIST3(a, b, c)             (ARG_1(a)|ARG_2(b)|ARG_3(c))
    315      1.1  jruoho #define ARGP_LIST4(a, b, c, d)          (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d))
    316      1.1  jruoho #define ARGP_LIST5(a, b, c, d, e)       (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e))
    317      1.1  jruoho #define ARGP_LIST6(a, b, c, d, e, f)    (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e)|ARG_6(f))
    318      1.1  jruoho 
    319      1.1  jruoho #define GET_CURRENT_ARG_TYPE(List)      (List & ((UINT32) 0x1F))
    320      1.1  jruoho #define INCREMENT_ARG_LIST(List)        (List >>= ((UINT32) ARG_TYPE_WIDTH))
    321      1.1  jruoho 
    322      1.1  jruoho /*
    323      1.1  jruoho  * Ascii error messages can be configured out
    324      1.1  jruoho  */
    325      1.1  jruoho #ifndef ACPI_NO_ERROR_MESSAGES
    326      1.1  jruoho /*
    327      1.1  jruoho  * Error reporting. Callers module and line number are inserted by AE_INFO,
    328      1.1  jruoho  * the plist contains a set of parens to allow variable-length lists.
    329      1.1  jruoho  * These macros are used for both the debug and non-debug versions of the code.
    330      1.1  jruoho  */
    331  1.1.1.2  jruoho #define ACPI_ERROR_NAMESPACE(s, e)      AcpiUtNamespaceError (AE_INFO, s, e);
    332  1.1.1.2  jruoho #define ACPI_ERROR_METHOD(s, n, p, e)   AcpiUtMethodError (AE_INFO, s, n, p, e);
    333      1.1  jruoho #define ACPI_WARN_PREDEFINED(plist)     AcpiUtPredefinedWarning plist
    334      1.1  jruoho #define ACPI_INFO_PREDEFINED(plist)     AcpiUtPredefinedInfo plist
    335      1.1  jruoho 
    336      1.1  jruoho #else
    337      1.1  jruoho 
    338      1.1  jruoho /* No error messages */
    339      1.1  jruoho 
    340      1.1  jruoho #define ACPI_ERROR_NAMESPACE(s, e)
    341      1.1  jruoho #define ACPI_ERROR_METHOD(s, n, p, e)
    342      1.1  jruoho #define ACPI_WARN_PREDEFINED(plist)
    343      1.1  jruoho #define ACPI_INFO_PREDEFINED(plist)
    344      1.1  jruoho 
    345      1.1  jruoho #endif /* ACPI_NO_ERROR_MESSAGES */
    346      1.1  jruoho 
    347      1.1  jruoho /*
    348      1.1  jruoho  * Debug macros that are conditionally compiled
    349      1.1  jruoho  */
    350      1.1  jruoho #ifdef ACPI_DEBUG_OUTPUT
    351      1.1  jruoho /*
    352      1.1  jruoho  * Function entry tracing
    353      1.1  jruoho  */
    354      1.1  jruoho #define ACPI_FUNCTION_TRACE(a)          ACPI_FUNCTION_NAME(a) \
    355      1.1  jruoho                                             AcpiUtTrace(ACPI_DEBUG_PARAMETERS)
    356      1.1  jruoho #define ACPI_FUNCTION_TRACE_PTR(a, b)   ACPI_FUNCTION_NAME(a) \
    357      1.1  jruoho                                             AcpiUtTracePtr(ACPI_DEBUG_PARAMETERS, (void *)b)
    358      1.1  jruoho #define ACPI_FUNCTION_TRACE_U32(a, b)   ACPI_FUNCTION_NAME(a) \
    359      1.1  jruoho                                             AcpiUtTraceU32(ACPI_DEBUG_PARAMETERS, (UINT32)b)
    360      1.1  jruoho #define ACPI_FUNCTION_TRACE_STR(a, b)   ACPI_FUNCTION_NAME(a) \
    361      1.1  jruoho                                             AcpiUtTraceStr(ACPI_DEBUG_PARAMETERS, (char *)b)
    362      1.1  jruoho 
    363      1.1  jruoho #define ACPI_FUNCTION_ENTRY()           AcpiUtTrackStackPtr()
    364      1.1  jruoho 
    365      1.1  jruoho /*
    366      1.1  jruoho  * Function exit tracing.
    367      1.1  jruoho  * WARNING: These macros include a return statement. This is usually considered
    368      1.1  jruoho  * bad form, but having a separate exit macro is very ugly and difficult to maintain.
    369      1.1  jruoho  * One of the FUNCTION_TRACE macros above must be used in conjunction with these macros
    370      1.1  jruoho  * so that "_AcpiFunctionName" is defined.
    371      1.1  jruoho  *
    372      1.1  jruoho  * Note: the DO_WHILE0 macro is used to prevent some compilers from complaining
    373      1.1  jruoho  * about these constructs.
    374      1.1  jruoho  */
    375      1.1  jruoho #ifdef ACPI_USE_DO_WHILE_0
    376      1.1  jruoho #define ACPI_DO_WHILE0(a)               do a while(0)
    377      1.1  jruoho #else
    378      1.1  jruoho #define ACPI_DO_WHILE0(a)               a
    379      1.1  jruoho #endif
    380      1.1  jruoho 
    381      1.1  jruoho #define return_VOID                     ACPI_DO_WHILE0 ({ \
    382      1.1  jruoho                                             AcpiUtExit (ACPI_DEBUG_PARAMETERS); \
    383      1.1  jruoho                                             return;})
    384      1.1  jruoho /*
    385      1.1  jruoho  * There are two versions of most of the return macros. The default version is
    386      1.1  jruoho  * safer, since it avoids side-effects by guaranteeing that the argument will
    387      1.1  jruoho  * not be evaluated twice.
    388      1.1  jruoho  *
    389      1.1  jruoho  * A less-safe version of the macros is provided for optional use if the
    390      1.1  jruoho  * compiler uses excessive CPU stack (for example, this may happen in the
    391      1.1  jruoho  * debug case if code optimzation is disabled.)
    392      1.1  jruoho  */
    393      1.1  jruoho #ifndef ACPI_SIMPLE_RETURN_MACROS
    394      1.1  jruoho 
    395      1.1  jruoho #define return_ACPI_STATUS(s)           ACPI_DO_WHILE0 ({ \
    396      1.1  jruoho                                             register ACPI_STATUS _s = (s); \
    397      1.1  jruoho                                             AcpiUtStatusExit (ACPI_DEBUG_PARAMETERS, _s); \
    398      1.1  jruoho                                             return (_s); })
    399      1.1  jruoho #define return_PTR(s)                   ACPI_DO_WHILE0 ({ \
    400      1.1  jruoho                                             register void *_s = (void *) (s); \
    401      1.1  jruoho                                             AcpiUtPtrExit (ACPI_DEBUG_PARAMETERS, (UINT8 *) _s); \
    402      1.1  jruoho                                             return (_s); })
    403      1.1  jruoho #define return_VALUE(s)                 ACPI_DO_WHILE0 ({ \
    404      1.1  jruoho                                             register UINT64 _s = (s); \
    405      1.1  jruoho                                             AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, _s); \
    406      1.1  jruoho                                             return (_s); })
    407      1.1  jruoho #define return_UINT8(s)                 ACPI_DO_WHILE0 ({ \
    408      1.1  jruoho                                             register UINT8 _s = (UINT8) (s); \
    409      1.1  jruoho                                             AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (UINT64) _s); \
    410      1.1  jruoho                                             return (_s); })
    411      1.1  jruoho #define return_UINT32(s)                ACPI_DO_WHILE0 ({ \
    412      1.1  jruoho                                             register UINT32 _s = (UINT32) (s); \
    413      1.1  jruoho                                             AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (UINT64) _s); \
    414      1.1  jruoho                                             return (_s); })
    415      1.1  jruoho #else /* Use original less-safe macros */
    416      1.1  jruoho 
    417      1.1  jruoho #define return_ACPI_STATUS(s)           ACPI_DO_WHILE0 ({ \
    418      1.1  jruoho                                             AcpiUtStatusExit (ACPI_DEBUG_PARAMETERS, (s)); \
    419      1.1  jruoho                                             return((s)); })
    420      1.1  jruoho #define return_PTR(s)                   ACPI_DO_WHILE0 ({ \
    421      1.1  jruoho                                             AcpiUtPtrExit (ACPI_DEBUG_PARAMETERS, (UINT8 *) (s)); \
    422      1.1  jruoho                                             return((s)); })
    423      1.1  jruoho #define return_VALUE(s)                 ACPI_DO_WHILE0 ({ \
    424      1.1  jruoho                                             AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (UINT64) (s)); \
    425      1.1  jruoho                                             return((s)); })
    426      1.1  jruoho #define return_UINT8(s)                 return_VALUE(s)
    427      1.1  jruoho #define return_UINT32(s)                return_VALUE(s)
    428      1.1  jruoho 
    429      1.1  jruoho #endif /* ACPI_SIMPLE_RETURN_MACROS */
    430      1.1  jruoho 
    431      1.1  jruoho 
    432      1.1  jruoho /* Conditional execution */
    433      1.1  jruoho 
    434      1.1  jruoho #define ACPI_DEBUG_EXEC(a)              a
    435      1.1  jruoho #define ACPI_DEBUG_ONLY_MEMBERS(a)      a;
    436      1.1  jruoho #define _VERBOSE_STRUCTURES
    437      1.1  jruoho 
    438      1.1  jruoho 
    439      1.1  jruoho /* Various object display routines for debug */
    440      1.1  jruoho 
    441      1.1  jruoho #define ACPI_DUMP_STACK_ENTRY(a)        AcpiExDumpOperand((a), 0)
    442      1.1  jruoho #define ACPI_DUMP_OPERANDS(a, b ,c)     AcpiExDumpOperands(a, b, c)
    443      1.1  jruoho #define ACPI_DUMP_ENTRY(a, b)           AcpiNsDumpEntry (a, b)
    444      1.1  jruoho #define ACPI_DUMP_PATHNAME(a, b, c, d)  AcpiNsDumpPathname(a, b, c, d)
    445      1.1  jruoho #define ACPI_DUMP_BUFFER(a, b)          AcpiUtDumpBuffer((UINT8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT)
    446      1.1  jruoho 
    447      1.1  jruoho #else
    448      1.1  jruoho /*
    449      1.1  jruoho  * This is the non-debug case -- make everything go away,
    450      1.1  jruoho  * leaving no executable debug code!
    451      1.1  jruoho  */
    452      1.1  jruoho #define ACPI_DEBUG_EXEC(a)
    453      1.1  jruoho #define ACPI_DEBUG_ONLY_MEMBERS(a)
    454      1.1  jruoho #define ACPI_FUNCTION_TRACE(a)
    455      1.1  jruoho #define ACPI_FUNCTION_TRACE_PTR(a, b)
    456      1.1  jruoho #define ACPI_FUNCTION_TRACE_U32(a, b)
    457      1.1  jruoho #define ACPI_FUNCTION_TRACE_STR(a, b)
    458      1.1  jruoho #define ACPI_FUNCTION_EXIT
    459      1.1  jruoho #define ACPI_FUNCTION_STATUS_EXIT(s)
    460      1.1  jruoho #define ACPI_FUNCTION_VALUE_EXIT(s)
    461      1.1  jruoho #define ACPI_FUNCTION_ENTRY()
    462      1.1  jruoho #define ACPI_DUMP_STACK_ENTRY(a)
    463      1.1  jruoho #define ACPI_DUMP_OPERANDS(a, b, c)
    464      1.1  jruoho #define ACPI_DUMP_ENTRY(a, b)
    465      1.1  jruoho #define ACPI_DUMP_TABLES(a, b)
    466      1.1  jruoho #define ACPI_DUMP_PATHNAME(a, b, c, d)
    467      1.1  jruoho #define ACPI_DUMP_BUFFER(a, b)
    468      1.1  jruoho #define ACPI_DEBUG_PRINT(pl)
    469      1.1  jruoho #define ACPI_DEBUG_PRINT_RAW(pl)
    470      1.1  jruoho 
    471      1.1  jruoho #define return_VOID                     return
    472      1.1  jruoho #define return_ACPI_STATUS(s)           return(s)
    473      1.1  jruoho #define return_VALUE(s)                 return(s)
    474      1.1  jruoho #define return_UINT8(s)                 return(s)
    475      1.1  jruoho #define return_UINT32(s)                return(s)
    476      1.1  jruoho #define return_PTR(s)                   return(s)
    477      1.1  jruoho 
    478      1.1  jruoho #endif /* ACPI_DEBUG_OUTPUT */
    479      1.1  jruoho 
    480      1.1  jruoho /*
    481      1.1  jruoho  * Some code only gets executed when the debugger is built in.
    482      1.1  jruoho  * Note that this is entirely independent of whether the
    483      1.1  jruoho  * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not.
    484      1.1  jruoho  */
    485      1.1  jruoho #ifdef ACPI_DEBUGGER
    486      1.1  jruoho #define ACPI_DEBUGGER_EXEC(a)           a
    487      1.1  jruoho #else
    488      1.1  jruoho #define ACPI_DEBUGGER_EXEC(a)
    489      1.1  jruoho #endif
    490      1.1  jruoho 
    491      1.1  jruoho 
    492      1.1  jruoho /*
    493      1.1  jruoho  * Memory allocation tracking (DEBUG ONLY)
    494      1.1  jruoho  */
    495      1.1  jruoho #define ACPI_MEM_PARAMETERS         _COMPONENT, _AcpiModuleName, __LINE__
    496      1.1  jruoho 
    497      1.1  jruoho #ifndef ACPI_DBG_TRACK_ALLOCATIONS
    498      1.1  jruoho 
    499      1.1  jruoho /* Memory allocation */
    500      1.1  jruoho 
    501      1.1  jruoho #define ACPI_ALLOCATE(a)            AcpiUtAllocate((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
    502      1.1  jruoho #define ACPI_ALLOCATE_ZEROED(a)     AcpiUtAllocateZeroed((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
    503      1.1  jruoho #define ACPI_FREE(a)                AcpiOsFree(a)
    504      1.1  jruoho #define ACPI_MEM_TRACKING(a)
    505      1.1  jruoho 
    506      1.1  jruoho #else
    507      1.1  jruoho 
    508      1.1  jruoho /* Memory allocation */
    509      1.1  jruoho 
    510      1.1  jruoho #define ACPI_ALLOCATE(a)            AcpiUtAllocateAndTrack((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
    511      1.1  jruoho #define ACPI_ALLOCATE_ZEROED(a)     AcpiUtAllocateZeroedAndTrack((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
    512      1.1  jruoho #define ACPI_FREE(a)                AcpiUtFreeAndTrack(a, ACPI_MEM_PARAMETERS)
    513      1.1  jruoho #define ACPI_MEM_TRACKING(a)        a
    514      1.1  jruoho 
    515      1.1  jruoho #endif /* ACPI_DBG_TRACK_ALLOCATIONS */
    516      1.1  jruoho 
    517      1.1  jruoho 
    518      1.1  jruoho /*
    519      1.1  jruoho  * Macros used for ACPICA utilities only
    520      1.1  jruoho  */
    521      1.1  jruoho 
    522      1.1  jruoho /* Generate a UUID */
    523      1.1  jruoho 
    524      1.1  jruoho #define ACPI_INIT_UUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
    525      1.1  jruoho     (a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \
    526      1.1  jruoho     (b) & 0xFF, ((b) >> 8) & 0xFF, \
    527      1.1  jruoho     (c) & 0xFF, ((c) >> 8) & 0xFF, \
    528      1.1  jruoho     (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7)
    529      1.1  jruoho 
    530      1.1  jruoho #define ACPI_IS_OCTAL_DIGIT(d)              (((char)(d) >= '0') && ((char)(d) <= '7'))
    531      1.1  jruoho 
    532      1.1  jruoho 
    533      1.1  jruoho #endif /* ACMACROS_H */
    534