acmacros.h

acpi tools for linux include acpiexec and acpixtract

                                         ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[5];\
                                         ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[4];\
                                         ((  UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[3];\
                                         ((  UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[2];\
                                         ((  UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
                                         ((  UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
#else
/*
 * Macros for little-endian machines
 */

/* This macro sets a buffer index, starting from the beginning of the buffer */

#define ACPI_BUFFER_INDEX(BufLen,BufOffset,ByteGran)  (BufOffset)

#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED

/* The hardware supports unaligned transfers, just do the little-endian move */

/* 16-bit source, 16/32/64 destination */

#define ACPI_MOVE_16_TO_16(d,s)         *(UINT16 *)(void *)(d) = *(UINT16 *)(void *)(s)
#define ACPI_MOVE_16_TO_32(d,s)         *(UINT32 *)(void *)(d) = *(UINT16 *)(void *)(s)
#define ACPI_MOVE_16_TO_64(d,s)         *(UINT64 *)(void *)(d) = *(UINT16 *)(void *)(s)

/* 32-bit source, 16/32/64 destination */

#define ACPI_MOVE_32_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)    /* Truncate to 16 */
#define ACPI_MOVE_32_TO_32(d,s)         *(UINT32 *)(void *)(d) = *(UINT32 *)(void *)(s)
#define ACPI_MOVE_32_TO_64(d,s)         *(UINT64 *)(void *)(d) = *(UINT32 *)(void *)(s)

/* 64-bit source, 16/32/64 destination */

#define ACPI_MOVE_64_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)    /* Truncate to 16 */
#define ACPI_MOVE_64_TO_32(d,s)         ACPI_MOVE_32_TO_32(d,s)    /* Truncate to 32 */
#define ACPI_MOVE_64_TO_64(d,s)         *(UINT64 *)(void *)(d) = *(UINT64 *)(void *)(s)

#else
/*
 * The hardware does not support unaligned transfers.  We must move the
 * data one byte at a time.  These macros work whether the source or
 * the destination (or both) is/are unaligned.  (Little-endian move)
 */

/* 16-bit source, 16/32/64 destination */

#define ACPI_MOVE_16_TO_16(d,s)         {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
                                         ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];}

#define ACPI_MOVE_16_TO_32(d,s)         {(*(UINT32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d,s);}
#define ACPI_MOVE_16_TO_64(d,s)         {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d,s);}

/* 32-bit source, 16/32/64 destination */

#define ACPI_MOVE_32_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)    /* Truncate to 16 */

#define ACPI_MOVE_32_TO_32(d,s)         {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
                                         ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\
                                         ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\
                                         ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];}

#define ACPI_MOVE_32_TO_64(d,s)         {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d,s);}

/* 64-bit source, 16/32/64 destination */

#define ACPI_MOVE_64_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)    /* Truncate to 16 */
#define ACPI_MOVE_64_TO_32(d,s)         ACPI_MOVE_32_TO_32(d,s)    /* Truncate to 32 */
#define ACPI_MOVE_64_TO_64(d,s)         {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
                                         ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\
                                         ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\
                                         ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];\
                                         ((  UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[4];\
                                         ((  UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[5];\
                                         ((  UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[6];\
                                         ((  UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[7];}
#endif
#endif

/* Macros based on machine integer width */

#if ACPI_MACHINE_WIDTH == 32
#define ACPI_MOVE_SIZE_TO_16(d,s)       ACPI_MOVE_32_TO_16(d,s)

#elif ACPI_MACHINE_WIDTH == 64
#define ACPI_MOVE_SIZE_TO_16(d,s)       ACPI_MOVE_64_TO_16(d,s)

#else
#error unknown ACPI_MACHINE_WIDTH
#endif


/*
 * Fast power-of-two math macros for non-optimized compilers
 */
#define _ACPI_DIV(value,PowerOf2)       ((UINT32) ((value) >> (PowerOf2)))
#define _ACPI_MUL(value,PowerOf2)       ((UINT32) ((value) << (PowerOf2)))
#define _ACPI_MOD(value,Divisor)        ((UINT32) ((value) & ((Divisor) -1)))

#define ACPI_DIV_2(a)                   _ACPI_DIV(a,1)
#define ACPI_MUL_2(a)                   _ACPI_MUL(a,1)
#define ACPI_MOD_2(a)                   _ACPI_MOD(a,2)

#define ACPI_DIV_4(a)                   _ACPI_DIV(a,2)
#define ACPI_MUL_4(a)                   _ACPI_MUL(a,2)
#define ACPI_MOD_4(a)                   _ACPI_MOD(a,4)

#define ACPI_DIV_8(a)                   _ACPI_DIV(a,3)
#define ACPI_MUL_8(a)                   _ACPI_MUL(a,3)
#define ACPI_MOD_8(a)                   _ACPI_MOD(a,8)

#define ACPI_DIV_16(a)                  _ACPI_DIV(a,4)
#define ACPI_MUL_16(a)                  _ACPI_MUL(a,4)
#define ACPI_MOD_16(a)                  _ACPI_MOD(a,16)

#define ACPI_DIV_32(a)                  _ACPI_DIV(a,5)
#define ACPI_MUL_32(a)                  _ACPI_MUL(a,5)
#define ACPI_MOD_32(a)                  _ACPI_MOD(a,32)

/*
 * Rounding macros (Power of two boundaries only)
 */
#define ACPI_ROUND_DOWN(value,boundary)     (((ACPI_NATIVE_UINT)(value)) & \
                                                (~(((ACPI_NATIVE_UINT) boundary)-1)))

#define ACPI_ROUND_UP(value,boundary)       ((((ACPI_NATIVE_UINT)(value)) + \
                                                (((ACPI_NATIVE_UINT) boundary)-1)) & \
                                                (~(((ACPI_NATIVE_UINT) boundary)-1)))

/* Note: sizeof(ACPI_NATIVE_UINT) evaluates to either 2, 4, or 8 */

#define ACPI_ROUND_DOWN_TO_32BIT(a)         ACPI_ROUND_DOWN(a,4)
#define ACPI_ROUND_DOWN_TO_64BIT(a)         ACPI_ROUND_DOWN(a,8)
#define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a)   ACPI_ROUND_DOWN(a,sizeof(ACPI_NATIVE_UINT))

#define ACPI_ROUND_UP_TO_32BIT(a)           ACPI_ROUND_UP(a,4)
#define ACPI_ROUND_UP_TO_64BIT(a)           ACPI_ROUND_UP(a,8)
#define ACPI_ROUND_UP_TO_NATIVE_WORD(a)     ACPI_ROUND_UP(a,sizeof(ACPI_NATIVE_UINT))

#define ACPI_ROUND_BITS_UP_TO_BYTES(a)      ACPI_DIV_8((a) + 7)
#define ACPI_ROUND_BITS_DOWN_TO_BYTES(a)    ACPI_DIV_8((a))

#define ACPI_ROUND_UP_TO_1K(a)              (((a) + 1023) >> 10)

/* Generic (non-power-of-two) rounding */

#define ACPI_ROUND_UP_TO(value,boundary)    (((value) + ((boundary)-1)) / (boundary))

#define ACPI_IS_MISALIGNED(value)           (((ACPI_NATIVE_UINT)value) & (sizeof(ACPI_NATIVE_UINT)-1))

/*
 * Bitmask creation
 * Bit positions start at zero.
 * MASK_BITS_ABOVE creates a mask starting AT the position and above
 * MASK_BITS_BELOW creates a mask starting one bit BELOW the position
 */
#define ACPI_MASK_BITS_ABOVE(position)      (~((ACPI_INTEGER_MAX) << ((UINT32) (position))))
#define ACPI_MASK_BITS_BELOW(position)      ((ACPI_INTEGER_MAX) << ((UINT32) (position)))

#define ACPI_IS_OCTAL_DIGIT(d)              (((char)(d) >= '0') && ((char)(d) <= '7'))


/* Bitfields within ACPI registers */

#define ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask)      ((Val << Pos) & Mask)
#define ACPI_REGISTER_INSERT_VALUE(Reg, Pos, Mask, Val)  Reg = (Reg & (~(Mask))) | ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask)

#define ACPI_INSERT_BITS(Target, Mask, Source)          Target = ((Target & (~(Mask))) | (Source & Mask))

/* Generate a UUID */

#define ACPI_INIT_UUID(a,b,c,d0,d1,d2,d3,d4,d5,d6,d7) \
    (a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \
    (b) & 0xFF, ((b) >> 8) & 0xFF, \
    (c) & 0xFF, ((c) >> 8) & 0xFF, \
    (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7)

/*
 * An ACPI_NAMESPACE_NODE * can appear in some contexts,
 * where a pointer to an ACPI_OPERAND_OBJECT  can also
 * appear.  This macro is used to distinguish them.
 *
 * The "Descriptor" field is the first field in both structures.
 */
#define ACPI_GET_DESCRIPTOR_TYPE(d)     (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType)
#define ACPI_SET_DESCRIPTOR_TYPE(d,t)   (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType = t)


/* Macro to test the object type */

#define ACPI_GET_OBJECT_TYPE(d)         (((ACPI_OPERAND_OBJECT *)(void *)(d))->Common.Type)

/* Macro to check the table flags for SINGLE or MULTIPLE tables are allowed */

#define ACPI_IS_SINGLE_TABLE(x)         (((x) & 0x01) == ACPI_TABLE_SINGLE ? 1 : 0)

/*
 * Macros for the master AML opcode table
 */
#if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
#define ACPI_OP(Name,PArgs,IArgs,ObjType,Class,Type,Flags)     {Name,(UINT32)(PArgs),(UINT32)(IArgs),(UINT32)(Flags),ObjType,Class,Type}
#else
#define ACPI_OP(Name,PArgs,IArgs,ObjType,Class,Type,Flags)     {(UINT32)(PArgs),(UINT32)(IArgs),(UINT32)(Flags),ObjType,Class,Type}
#endif

#ifdef ACPI_DISASSEMBLER
#define ACPI_DISASM_ONLY_MEMBERS(a)     a;
#else
#define ACPI_DISASM_ONLY_MEMBERS(a)
#endif

#define ARG_TYPE_WIDTH                  5
#define ARG_1(x)                        ((UINT32)(x))
#define ARG_2(x)                        ((UINT32)(x) << (1 * ARG_TYPE_WIDTH))
#define ARG_3(x)                        ((UINT32)(x) << (2 * ARG_TYPE_WIDTH))
#define ARG_4(x)                        ((UINT32)(x) << (3 * ARG_TYPE_WIDTH))
#define ARG_5(x)                        ((UINT32)(x) << (4 * ARG_TYPE_WIDTH))
#define ARG_6(x)                        ((UINT32)(x) << (5 * ARG_TYPE_WIDTH))

#define ARGI_LIST1(a)                   (ARG_1(a))
#define ARGI_LIST2(a,b)                 (ARG_1(b)|ARG_2(a))
#define ARGI_LIST3(a,b,c)               (ARG_1(c)|ARG_2(b)|ARG_3(a))
#define ARGI_LIST4(a,b,c,d)             (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a))
#define ARGI_LIST5(a,b,c,d,e)           (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a))
#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))

#define ARGP_LIST1(a)                   (ARG_1(a))
#define ARGP_LIST2(a,b)                 (ARG_1(a)|ARG_2(b))
#define ARGP_LIST3(a,b,c)               (ARG_1(a)|ARG_2(b)|ARG_3(c))
#define ARGP_LIST4(a,b,c,d)             (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d))
#define ARGP_LIST5(a,b,c,d,e)           (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e))
#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))

#define GET_CURRENT_ARG_TYPE(List)      (List & ((UINT32) 0x1F))
#define INCREMENT_ARG_LIST(List)        (List >>= ((UINT32) ARG_TYPE_WIDTH))


#if defined (ACPI_DEBUG_OUTPUT) || !defined (ACPI_NO_ERROR_MESSAGES)
/*
 * Module name is include in both debug and non-debug versions primarily for
 * error messages. The __FILE__ macro is not very useful for this, because it
 * often includes the entire pathname to the module
 */
#define ACPI_MODULE_NAME(Name)          static char ACPI_UNUSED_VAR *_AcpiModuleName = Name;
#else
#define ACPI_MODULE_NAME(Name)
#endif

/*
 * Ascii error messages can be configured out
 */
#ifndef ACPI_NO_ERROR_MESSAGES
#define AE_INFO                         _AcpiModuleName, __LINE__

/*
 * Error reporting. Callers module and line number are inserted by AE_INFO,
 * the plist contains a set of parens to allow variable-length lists.