acmacros.h revision 27f7c58306b55fe9e0cfd2934039be1729b505e9
/******************************************************************************
*
* Name: acmacros.h - C macros for the entire subsystem.
* $Revision: 1.191 $
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2006, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
#ifndef __ACMACROS_H__
#define __ACMACROS_H__
/*
* Data manipulation macros
*/
#define ACPI_LOWORD(l) ((UINT16)(UINT32)(l))
#define ACPI_HIWORD(l) ((UINT16)((((UINT32)(l)) >> 16) & 0xFFFF))
#define ACPI_LOBYTE(l) ((UINT8)(UINT16)(l))
#define ACPI_HIBYTE(l) ((UINT8)((((UINT16)(l)) >> 8) & 0xFF))
#define ACPI_SET_BIT(target,bit) ((target) |= (bit))
#define ACPI_CLEAR_BIT(target,bit) ((target) &= ~(bit))
#define ACPI_MIN(a,b) (((a)<(b))?(a):(b))
/* Size calculation */
#define ACPI_ARRAY_LENGTH(x) (sizeof(x) / sizeof((x)[0]))
#if ACPI_MACHINE_WIDTH == 16
/*
* For 16-bit addresses, we have to assume that the upper 32 bits
* (out of 64) are zero.
*/
#define ACPI_LODWORD(l) ((UINT32)(l))
#define ACPI_HIDWORD(l) ((UINT32)(0))
#define ACPI_GET_ADDRESS(a) ((a).Lo)
#define ACPI_STORE_ADDRESS(a,b) {(a).Hi=0;(a).Lo=(UINT32)(b);}
#define ACPI_VALID_ADDRESS(a) ((a).Hi | (a).Lo)
#else
#ifdef ACPI_NO_INTEGER64_SUPPORT
/*
* ACPI_INTEGER is 32-bits, no 64-bit support on this platform
*/
#define ACPI_LODWORD(l) ((UINT32)(l))
#define ACPI_HIDWORD(l) ((UINT32)(0))
#define ACPI_GET_ADDRESS(a) (a)
#define ACPI_STORE_ADDRESS(a,b) ((a)=(b))
#define ACPI_VALID_ADDRESS(a) (a)
#else
/*
* Full 64-bit address/integer on both 32-bit and 64-bit platforms
*/
#define ACPI_LODWORD(l) ((UINT32)(UINT64)(l))
#define ACPI_HIDWORD(l) ((UINT32)(((*(UINT64_STRUCT *)(void *)(&l))).Hi))
#define ACPI_GET_ADDRESS(a) (a)
#define ACPI_STORE_ADDRESS(a,b) ((a)=(ACPI_PHYSICAL_ADDRESS)(b))
#define ACPI_VALID_ADDRESS(a) (a)
#endif
#endif
/*
* printf() format helpers
*/
/* Split 64-bit integer into two 32-bit values. Use with %8.8X%8.8X */
#define ACPI_FORMAT_UINT64(i) ACPI_HIDWORD(i),ACPI_LODWORD(i)
/*
* Extract data using a pointer. Any more than a byte and we
* get into potential aligment issues -- see the STORE macros below.
* Use with care.
*/
#define ACPI_GET8(ptr) *ACPI_CAST_PTR (UINT8, ptr)
#define ACPI_GET16(ptr) *ACPI_CAST_PTR (UINT16, ptr)
#define ACPI_GET32(ptr) *ACPI_CAST_PTR (UINT32, ptr)
#define ACPI_GET64(ptr) *ACPI_CAST_PTR (UINT64, ptr)
#define ACPI_SET8(ptr) *ACPI_CAST_PTR (UINT8, ptr)
#define ACPI_SET16(ptr) *ACPI_CAST_PTR (UINT16, ptr)
#define ACPI_SET32(ptr) *ACPI_CAST_PTR (UINT32, ptr)
#define ACPI_SET64(ptr) *ACPI_CAST_PTR (UINT64, ptr)
/*
* Pointer manipulation
*/
#define ACPI_CAST_PTR(t, p) ((t *) (ACPI_UINTPTR_T) (p))
#define ACPI_CAST_INDIRECT_PTR(t, p) ((t **) (ACPI_UINTPTR_T) (p))
#define ACPI_ADD_PTR(t,a,b) ACPI_CAST_PTR (t, (ACPI_CAST_PTR (UINT8,(a)) + (ACPI_NATIVE_UINT)(b)))
#define ACPI_PTR_DIFF(a,b) (ACPI_NATIVE_UINT) (ACPI_CAST_PTR (UINT8,(a)) - ACPI_CAST_PTR (UINT8,(b)))
/* Pointer/Integer type conversions */
#define ACPI_TO_POINTER(i) ACPI_ADD_PTR (void,(void *) NULL,(ACPI_NATIVE_UINT) i)
#define ACPI_TO_INTEGER(p) ACPI_PTR_DIFF (p,(void *) NULL)
#define ACPI_OFFSET(d,f) (ACPI_SIZE) ACPI_PTR_DIFF (&(((d *)0)->f),(void *) NULL)
#if ACPI_MACHINE_WIDTH == 16
#define ACPI_STORE_POINTER(d,s) ACPI_MOVE_32_TO_32(d,s)
#define ACPI_PHYSADDR_TO_PTR(i) (void *)(i)
#define ACPI_PTR_TO_PHYSADDR(i) (UINT32) ACPI_CAST_PTR (UINT8,(i))
#else
#define ACPI_PHYSADDR_TO_PTR(i) ACPI_TO_POINTER(i)
#define ACPI_PTR_TO_PHYSADDR(i) ACPI_TO_INTEGER(i)
#endif
#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
#define ACPI_COMPARE_NAME(a,b) (*ACPI_CAST_PTR (UINT32,(a)) == *ACPI_CAST_PTR (UINT32,(b)))
#else
#define ACPI_COMPARE_NAME(a,b) (!ACPI_STRNCMP (ACPI_CAST_PTR (char,(a)), ACPI_CAST_PTR (char,(b)), ACPI_NAME_SIZE))
#endif
/*
* Macros for moving data around to/from buffers that are possibly unaligned.
* If the hardware supports the transfer of unaligned data, just do the store.
* Otherwise, we have to move one byte at a time.
*/
#ifdef ACPI_BIG_ENDIAN
/*
* Macros for big-endian machines
*/
/* This macro sets a buffer index, starting from the end of the buffer */
#define ACPI_BUFFER_INDEX(BufLen,BufOffset,ByteGran) ((BufLen) - (((BufOffset)+1) * (ByteGran)))
/* These macros reverse the bytes during the move, converting little-endian to big endian */
/* Big Endian <== Little Endian */
/* Hi...Lo Lo...Hi */
/* 16-bit source, 16/32/64 destination */
#define ACPI_MOVE_16_TO_16(d,s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[1];\
(( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[0];}
#define ACPI_MOVE_16_TO_32(d,s) {(*(UINT32 *)(void *)(d))=0;\
((UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\
((UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];}
#define ACPI_MOVE_16_TO_64(d,s) {(*(UINT64 *)(void *)(d))=0;\
((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
((UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
/* 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))[3];\
(( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[2];\
(( UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\
(( UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];}
#define ACPI_MOVE_32_TO_64(d,s) {(*(UINT64 *)(void *)(d))=0;\
((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];}
/* 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))[7];\
(( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[6];\
(( 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 */
#if ACPI_MACHINE_WIDTH == 16
/* No 64-bit integers */
/* 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) ACPI_MOVE_16_TO_32(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) *(UINT32 *)(void *)(d) = *(UINT32 *)(void *)(s)
#define ACPI_MOVE_32_TO_64(d,s) 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) ACPI_MOVE_32_TO_32(d,s)
#else
/* 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)
#endif
#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 == 16
#define ACPI_MOVE_SIZE_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s)
#elif 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.
* These macros are used for both the debug and non-debug versions of the code.
*/
#define ACPI_INFO(plist) AcpiUtInfo plist
#define ACPI_WARNING(plist) AcpiUtWarning plist
#define ACPI_EXCEPTION(plist) AcpiUtException plist
#define ACPI_ERROR(plist) AcpiUtError plist
#define ACPI_ERROR_NAMESPACE(s,e) AcpiNsReportError (AE_INFO, s, e);
#define ACPI_ERROR_METHOD(s,n,p,e) AcpiNsReportMethodError (AE_INFO, s, n, p, e);
#else
/* No error messages */
#define ACPI_INFO(plist)
#define ACPI_WARNING(plist)
#define ACPI_EXCEPTION(plist)
#define ACPI_ERROR(plist)
#define ACPI_ERROR_NAMESPACE(s,e)
#define ACPI_ERROR_METHOD(s,n,p,e)
#endif
/*
* Debug macros that are conditionally compiled
*/
#ifdef ACPI_DEBUG_OUTPUT
/*
* Common parameters used for debug output functions:
* line number, function name, module(file) name, component ID
*/
#define ACPI_DEBUG_PARAMETERS __LINE__, ACPI_GET_FUNCTION_NAME, _AcpiModuleName, _COMPONENT
/*
* Function entry tracing
*/
/*
* If ACPI_GET_FUNCTION_NAME was not defined in the compiler-dependent header,
* define it now. This is the case where there the compiler does not support
* a __FUNCTION__ macro or equivalent. We save the function name on the
* local stack.
*/
#ifndef ACPI_GET_FUNCTION_NAME
#define ACPI_GET_FUNCTION_NAME _AcpiFunctionName
/*
* The Name parameter should be the procedure name as a quoted string.
* This is declared as a local string ("MyFunctionName") so that it can
* be also used by the function exit macros below.
* Note: (const char) is used to be compatible with the debug interfaces
* and macros such as __FUNCTION__.
*/
#define ACPI_FUNCTION_NAME(Name) const char *_AcpiFunctionName = #Name;
#else
/* Compiler supports __FUNCTION__ (or equivalent) -- Ignore this macro */
#define ACPI_FUNCTION_NAME(Name)
#endif
#define ACPI_FUNCTION_TRACE(a) ACPI_FUNCTION_NAME(a) \
AcpiUtTrace(ACPI_DEBUG_PARAMETERS)
#define ACPI_FUNCTION_TRACE_PTR(a,b) ACPI_FUNCTION_NAME(a) \
AcpiUtTracePtr(ACPI_DEBUG_PARAMETERS,(void *)b)
#define ACPI_FUNCTION_TRACE_U32(a,b) ACPI_FUNCTION_NAME(a) \
AcpiUtTraceU32(ACPI_DEBUG_PARAMETERS,(UINT32)b)
#define ACPI_FUNCTION_TRACE_STR(a,b) ACPI_FUNCTION_NAME(a) \
AcpiUtTraceStr(ACPI_DEBUG_PARAMETERS,(char *)b)
#define ACPI_FUNCTION_ENTRY() AcpiUtTrackStackPtr()
/*
* Function exit tracing.
* WARNING: These macros include a return statement. This is usually considered
* bad form, but having a separate exit macro is very ugly and difficult to maintain.
* One of the FUNCTION_TRACE macros above must be used in conjunction with these macros
* so that "_AcpiFunctionName" is defined.
*
* Note: the DO_WHILE0 macro is used to prevent some compilers from complaining
* about these constructs.
*/
#ifdef ACPI_USE_DO_WHILE_0
#define ACPI_DO_WHILE0(a) do a while(0)
#else
#define ACPI_DO_WHILE0(a) a
#endif
#define return_VOID ACPI_DO_WHILE0 ({ \
AcpiUtExit (ACPI_DEBUG_PARAMETERS); \
return;})
/*
* There are two versions of most of the return macros. The default version is
* safer, since it avoids side-effects by guaranteeing that the argument will
* not be evaluated twice.
*
* A less-safe version of the macros is provided for optional use if the
* compiler uses excessive CPU stack (for example, this may happen in the
* debug case if code optimzation is disabled.)
*/
#ifndef ACPI_SIMPLE_RETURN_MACROS
#define return_ACPI_STATUS(s) ACPI_DO_WHILE0 ({ \
register ACPI_STATUS _s = (s); \
AcpiUtStatusExit (ACPI_DEBUG_PARAMETERS, _s); \
return (_s); })
#define return_PTR(s) ACPI_DO_WHILE0 ({ \
register void *_s = (void *) (s); \
AcpiUtPtrExit (ACPI_DEBUG_PARAMETERS, (UINT8 *) _s); \
return (_s); })
#define return_VALUE(s) ACPI_DO_WHILE0 ({ \
register ACPI_INTEGER _s = (s); \
AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, _s); \
return (_s); })
#define return_UINT8(s) ACPI_DO_WHILE0 ({ \
register UINT8 _s = (UINT8) (s); \
AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (ACPI_INTEGER) _s); \
return (_s); })
#define return_UINT32(s) ACPI_DO_WHILE0 ({ \
register UINT32 _s = (UINT32) (s); \
AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (ACPI_INTEGER) _s); \
return (_s); })
#else /* Use original less-safe macros */
#define return_ACPI_STATUS(s) ACPI_DO_WHILE0 ({ \
AcpiUtStatusExit (ACPI_DEBUG_PARAMETERS, (s)); \
return((s)); })
#define return_PTR(s) ACPI_DO_WHILE0 ({ \
AcpiUtPtrExit (ACPI_DEBUG_PARAMETERS, (UINT8 *) (s)); \
return((s)); })
#define return_VALUE(s) ACPI_DO_WHILE0 ({ \
AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (ACPI_INTEGER) (s)); \
return((s)); })
#define return_UINT8(s) return_VALUE(s)
#define return_UINT32(s) return_VALUE(s)
#endif /* ACPI_SIMPLE_RETURN_MACROS */
/* Conditional execution */
#define ACPI_DEBUG_EXEC(a) a
#define ACPI_NORMAL_EXEC(a)
#define ACPI_DEBUG_DEFINE(a) a;
#define ACPI_DEBUG_ONLY_MEMBERS(a) a;
#define _VERBOSE_STRUCTURES
/* Stack and buffer dumping */
#define ACPI_DUMP_STACK_ENTRY(a) AcpiExDumpOperand((a),0)
#define ACPI_DUMP_OPERANDS(a,b,c,d,e) AcpiExDumpOperands(a,b,c,d,e,_AcpiModuleName,__LINE__)
#define ACPI_DUMP_ENTRY(a,b) AcpiNsDumpEntry (a,b)
#define ACPI_DUMP_PATHNAME(a,b,c,d) AcpiNsDumpPathname(a,b,c,d)
#define ACPI_DUMP_RESOURCE_LIST(a) AcpiRsDumpResourceList(a)
#define ACPI_DUMP_BUFFER(a,b) AcpiUtDumpBuffer((UINT8 *)a,b,DB_BYTE_DISPLAY,_COMPONENT)
/*
* Master debug print macros
* Print iff:
* 1) Debug print for the current component is enabled
* 2) Debug error level or trace level for the print statement is enabled
*/
#define ACPI_DEBUG_PRINT(plist) AcpiUtDebugPrint plist
#define ACPI_DEBUG_PRINT_RAW(plist) AcpiUtDebugPrintRaw plist
#else
/*
* This is the non-debug case -- make everything go away,
* leaving no executable debug code!
*/
#define ACPI_DEBUG_EXEC(a)
#define ACPI_NORMAL_EXEC(a) a;
#define ACPI_DEBUG_DEFINE(a)
#define ACPI_DEBUG_ONLY_MEMBERS(a)
#define ACPI_FUNCTION_NAME(a)
#define ACPI_FUNCTION_TRACE(a)
#define ACPI_FUNCTION_TRACE_PTR(a,b)
#define ACPI_FUNCTION_TRACE_U32(a,b)
#define ACPI_FUNCTION_TRACE_STR(a,b)
#define ACPI_FUNCTION_EXIT
#define ACPI_FUNCTION_STATUS_EXIT(s)
#define ACPI_FUNCTION_VALUE_EXIT(s)
#define ACPI_FUNCTION_ENTRY()
#define ACPI_DUMP_STACK_ENTRY(a)
#define ACPI_DUMP_OPERANDS(a,b,c,d,e)
#define ACPI_DUMP_ENTRY(a,b)
#define ACPI_DUMP_TABLES(a,b)
#define ACPI_DUMP_PATHNAME(a,b,c,d)
#define ACPI_DUMP_RESOURCE_LIST(a)
#define ACPI_DUMP_BUFFER(a,b)
#define ACPI_DEBUG_PRINT(pl)
#define ACPI_DEBUG_PRINT_RAW(pl)
#define return_VOID return
#define return_ACPI_STATUS(s) return(s)
#define return_VALUE(s) return(s)
#define return_UINT8(s) return(s)
#define return_UINT32(s) return(s)
#define return_PTR(s) return(s)
#endif
/*
* Some code only gets executed when the debugger is built in.
* Note that this is entirely independent of whether the
* DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not.
*/
#ifdef ACPI_DEBUGGER
#define ACPI_DEBUGGER_EXEC(a) a
#else
#define ACPI_DEBUGGER_EXEC(a)
#endif
/*
* For 16-bit code, we want to shrink some things even though
* we are using ACPI_DEBUG_OUTPUT to get the debug output
*/
#if ACPI_MACHINE_WIDTH == 16
#undef ACPI_DEBUG_ONLY_MEMBERS
#undef _VERBOSE_STRUCTURES
#define ACPI_DEBUG_ONLY_MEMBERS(a)
#endif
#ifdef ACPI_DEBUG_OUTPUT
/*
* 1) Set name to blanks
* 2) Copy the object name
*/
#define ACPI_ADD_OBJECT_NAME(a,b) ACPI_MEMSET (a->Common.Name, ' ', sizeof (a->Common.Name));\
ACPI_STRNCPY (a->Common.Name, AcpiGbl_NsTypeNames[b], sizeof (a->Common.Name))
#else
#define ACPI_ADD_OBJECT_NAME(a,b)
#endif
/*
* Memory allocation tracking (DEBUG ONLY)
*/
#ifndef ACPI_DBG_TRACK_ALLOCATIONS
/* Memory allocation */
#define ACPI_ALLOCATE(a) AcpiUtAllocate((ACPI_SIZE)(a),_COMPONENT,_AcpiModuleName,__LINE__)
#define ACPI_ALLOCATE_ZEROED(a) AcpiUtAllocateZeroed((ACPI_SIZE)(a), _COMPONENT,_AcpiModuleName,__LINE__)
#define ACPI_FREE(a) AcpiOsFree(a)
#define ACPI_MEM_TRACKING(a)
#else
/* Memory allocation */
#define ACPI_ALLOCATE(a) AcpiUtAllocateAndTrack((ACPI_SIZE)(a),_COMPONENT,_AcpiModuleName,__LINE__)
#define ACPI_ALLOCATE_ZEROED(a) AcpiUtAllocateZeroedAndTrack((ACPI_SIZE)(a), _COMPONENT,_AcpiModuleName,__LINE__)
#define ACPI_FREE(a) AcpiUtFreeAndTrack(a,_COMPONENT,_AcpiModuleName,__LINE__)
#define ACPI_MEM_TRACKING(a) a
#endif /* ACPI_DBG_TRACK_ALLOCATIONS */
#endif /* ACMACROS_H */