acmacros.h revision 571909175b4f9a1ef15ec4afead6d6d463dbe760
/******************************************************************************
*
* Name: acmacros.h - C macros for the entire subsystem.
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2009, 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
* 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
* 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
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* 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__
/*
* 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.
*/
/*
* printf() format helpers
*/
/* Split 64-bit integer into two 32-bit values. Use with %8.8X%8.8X */
#if ACPI_MACHINE_WIDTH == 64
#define ACPI_FORMAT_NATIVE_UINT(i) ACPI_FORMAT_UINT64(i)
#else
#define ACPI_FORMAT_NATIVE_UINT(i) 0, (i)
#endif
/*
* 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
*/
/* 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_32(d, s) {(*(UINT32 *)(void *)(d))=0;\
#define ACPI_MOVE_16_TO_64(d, s) {(*(UINT64 *)(void *)(d))=0;\
/* 32-bit source, 16/32/64 destination */
#define ACPI_MOVE_32_TO_64(d, s) {(*(UINT64 *)(void *)(d))=0;\
/* 64-bit source, 16/32/64 destination */
#else
/*
* Macros for little-endian machines
*/
#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
/* The hardware supports unaligned transfers, just do the little-endian move */
/* 16-bit source, 16/32/64 destination */
/* 32-bit source, 16/32/64 destination */
/* 64-bit source, 16/32/64 destination */
#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
*/
/* 16-bit source, 16/32/64 destination */
/* 32-bit source, 16/32/64 destination */
/* 64-bit source, 16/32/64 destination */
#endif
#endif
/*
* Fast power-of-two math macros for non-optimized compilers
*/
/*
* Rounding macros (Power of two boundaries only)
*/
/* Note: sizeof(ACPI_SIZE) evaluates to either 4 or 8 (32- vs 64-bit mode) */
#define ACPI_ROUND_BITS_DOWN_TO_BYTES(a) ACPI_DIV_8((a))
/* Generic (non-power-of-two) rounding */
/*
* 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
*/
/* Bitfields within ACPI registers */
#define ACPI_REGISTER_INSERT_VALUE(Reg, Pos, Mask, Val) Reg = (Reg & (~(Mask))) | ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask)
/*
* 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_SET_DESCRIPTOR_TYPE(d, t) (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType = t)
/*
* Macros for the master AML opcode table
*/
#if defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
#else
#endif
#define ARG_TYPE_WIDTH 5
#define ARGI_LIST1(a) (ARG_1(a))
#define ARGP_LIST1(a) (ARG_1(a))
/*
* Ascii error messages can be configured out
*/
#ifndef ACPI_NO_ERROR_MESSAGES
/*
* 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.
*/
#else
/* No error messages */
#define ACPI_ERROR_NAMESPACE(s, e)
#define ACPI_ERROR_METHOD(s, n, p, e)
#define ACPI_WARN_PREDEFINED(plist)
#define ACPI_INFO_PREDEFINED(plist)
#endif /* ACPI_NO_ERROR_MESSAGES */
/*
* Debug macros that are conditionally compiled
*/
#ifdef ACPI_DEBUG_OUTPUT
/*
* Function entry tracing
*/
#define ACPI_FUNCTION_TRACE(a) ACPI_FUNCTION_NAME(a) \
#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) \
#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 ({ \
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); \
return (_s); })
#define return_PTR(s) ACPI_DO_WHILE0 ({ \
register void *_s = (void *) (s); \
return (_s); })
#define return_VALUE(s) ACPI_DO_WHILE0 ({ \
register ACPI_INTEGER _s = (s); \
return (_s); })
#define return_UINT8(s) ACPI_DO_WHILE0 ({ \
return (_s); })
#define return_UINT32(s) ACPI_DO_WHILE0 ({ \
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 ({ \
return((s)); })
#define return_VALUE(s) ACPI_DO_WHILE0 ({ \
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_DEBUG_ONLY_MEMBERS(a) a;
#define _VERBOSE_STRUCTURES
/* Various object display routines for debug */
#define ACPI_DUMP_STACK_ENTRY(a) AcpiExDumpOperand((a), 0)
#define ACPI_DUMP_OPERANDS(a, b ,c) AcpiExDumpOperands(a, b, c)
#define ACPI_DUMP_ENTRY(a, b) AcpiNsDumpEntry (a, b)
#define ACPI_DUMP_PATHNAME(a, b, c, d) AcpiNsDumpPathname(a, b, c, d)
#else
/*
* This is the non-debug case -- make everything go away,
* leaving no executable debug code!
*/
#define ACPI_DEBUG_EXEC(a)
#define ACPI_DEBUG_ONLY_MEMBERS(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)
#define ACPI_DUMP_ENTRY(a, b)
#define ACPI_DUMP_TABLES(a, b)
#define ACPI_DUMP_PATHNAME(a, b, c, d)
#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 /* ACPI_DEBUG_OUTPUT */
/*
* 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
/*
* Memory allocation tracking (DEBUG ONLY)
*/
#ifndef ACPI_DBG_TRACK_ALLOCATIONS
/* Memory allocation */
#define ACPI_FREE(a) AcpiOsFree(a)
#define ACPI_MEM_TRACKING(a)
#else
/* Memory allocation */
#define ACPI_MEM_TRACKING(a) a
#endif /* ACPI_DBG_TRACK_ALLOCATIONS */
/*
* Macros used for ACPICA utilities only
*/
/* Generate a UUID */
(a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \
(b) & 0xFF, ((b) >> 8) & 0xFF, \
(c) & 0xFF, ((c) >> 8) & 0xFF, \
#endif /* ACMACROS_H */