574 строки
22 KiB
C
574 строки
22 KiB
C
/******************************************************************************
|
|
*
|
|
* Name: acmacros.h - C macros for the entire subsystem.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
/*
|
|
* Copyright (C) 2000 - 2008, Intel Corp.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions, and the following disclaimer,
|
|
* without modification.
|
|
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
|
|
* substantially similar to the "NO WARRANTY" disclaimer below
|
|
* ("Disclaimer") and any redistribution must be conditioned upon
|
|
* including a substantially similar Disclaimer requirement for further
|
|
* binary redistribution.
|
|
* 3. Neither the names of the above-listed copyright holders nor the names
|
|
* of any contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* Alternatively, this software may be distributed under the terms of the
|
|
* GNU General Public License ("GPL") version 2 as published by the Free
|
|
* Software Foundation.
|
|
*
|
|
* NO WARRANTY
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
|
|
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGES.
|
|
*/
|
|
|
|
#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.
|
|
*/
|
|
#define ACPI_GET8(ptr) *ACPI_CAST_PTR (u8, ptr)
|
|
#define ACPI_GET16(ptr) *ACPI_CAST_PTR (u16, ptr)
|
|
#define ACPI_GET32(ptr) *ACPI_CAST_PTR (u32, ptr)
|
|
#define ACPI_GET64(ptr) *ACPI_CAST_PTR (u64, ptr)
|
|
#define ACPI_SET8(ptr) *ACPI_CAST_PTR (u8, ptr)
|
|
#define ACPI_SET16(ptr) *ACPI_CAST_PTR (u16, ptr)
|
|
#define ACPI_SET32(ptr) *ACPI_CAST_PTR (u32, ptr)
|
|
#define ACPI_SET64(ptr) *ACPI_CAST_PTR (u64, ptr)
|
|
|
|
/*
|
|
* printf() format helpers
|
|
*/
|
|
|
|
/* Split 64-bit integer into two 32-bit values. Use with %8.8_x%8.8_x */
|
|
|
|
#define ACPI_FORMAT_UINT64(i) ACPI_HIDWORD(i), ACPI_LODWORD(i)
|
|
|
|
#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
|
|
|
|
/*
|
|
* 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
|
|
*/
|
|
|
|
/* 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) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[1];\
|
|
(( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[0];}
|
|
|
|
#define ACPI_MOVE_16_TO_32(d, s) {(*(u32 *)(void *)(d))=0;\
|
|
((u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\
|
|
((u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];}
|
|
|
|
#define ACPI_MOVE_16_TO_64(d, s) {(*(u64 *)(void *)(d))=0;\
|
|
((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
|
|
((u8 *)(void *)(d))[7] = ((u8 *)(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) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[3];\
|
|
(( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[2];\
|
|
(( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\
|
|
(( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];}
|
|
|
|
#define ACPI_MOVE_32_TO_64(d, s) {(*(u64 *)(void *)(d))=0;\
|
|
((u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\
|
|
((u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\
|
|
((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
|
|
((u8 *)(void *)(d))[7] = ((u8 *)(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) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[7];\
|
|
(( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[6];\
|
|
(( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[5];\
|
|
(( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[4];\
|
|
(( u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\
|
|
(( u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\
|
|
(( u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
|
|
(( u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}
|
|
#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 */
|
|
|
|
#define ACPI_MOVE_16_TO_16(d, s) *(u16 *)(void *)(d) = *(u16 *)(void *)(s)
|
|
#define ACPI_MOVE_16_TO_32(d, s) *(u32 *)(void *)(d) = *(u16 *)(void *)(s)
|
|
#define ACPI_MOVE_16_TO_64(d, s) *(u64 *)(void *)(d) = *(u16 *)(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) *(u32 *)(void *)(d) = *(u32 *)(void *)(s)
|
|
#define ACPI_MOVE_32_TO_64(d, s) *(u64 *)(void *)(d) = *(u32 *)(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) *(u64 *)(void *)(d) = *(u64 *)(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) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
|
|
(( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];}
|
|
|
|
#define ACPI_MOVE_16_TO_32(d, s) {(*(u32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
|
|
#define ACPI_MOVE_16_TO_64(d, s) {(*(u64 *)(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) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
|
|
(( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\
|
|
(( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\
|
|
(( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];}
|
|
|
|
#define ACPI_MOVE_32_TO_64(d, s) {(*(u64 *)(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) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
|
|
(( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\
|
|
(( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\
|
|
(( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];\
|
|
(( u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[4];\
|
|
(( u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[5];\
|
|
(( u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[6];\
|
|
(( u8 *)(void *)(d))[7] = ((u8 *)(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, power_of2) ((u32) ((value) >> (power_of2)))
|
|
#define _ACPI_MUL(value, power_of2) ((u32) ((value) << (power_of2)))
|
|
#define _ACPI_MOD(value, divisor) ((u32) ((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_size)(value)) & \
|
|
(~(((acpi_size) boundary)-1)))
|
|
|
|
#define ACPI_ROUND_UP(value, boundary) ((((acpi_size)(value)) + \
|
|
(((acpi_size) boundary)-1)) & \
|
|
(~(((acpi_size) boundary)-1)))
|
|
|
|
/* Note: sizeof(acpi_size) evaluates to either 4 or 8 (32- vs 64-bit mode) */
|
|
|
|
#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_size))
|
|
|
|
#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_size))
|
|
|
|
#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_size) value) & (sizeof(acpi_size)-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) << ((u32) (position))))
|
|
#define ACPI_MASK_BITS_BELOW(position) ((ACPI_INTEGER_MAX) << ((u32) (position)))
|
|
|
|
/* 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))
|
|
|
|
/*
|
|
* A struct acpi_namespace_node can appear in some contexts
|
|
* where a pointer to a union 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) (((union acpi_descriptor *)(void *)(d))->common.descriptor_type)
|
|
#define ACPI_SET_DESCRIPTOR_TYPE(d, t) (((union acpi_descriptor *)(void *)(d))->common.descriptor_type = t)
|
|
|
|
/*
|
|
* Macros for the master AML opcode table
|
|
*/
|
|
#if defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
|
|
#define ACPI_OP(name, Pargs, Iargs, obj_type, class, type, flags) \
|
|
{name, (u32)(Pargs), (u32)(Iargs), (u32)(flags), obj_type, class, type}
|
|
#else
|
|
#define ACPI_OP(name, Pargs, Iargs, obj_type, class, type, flags) \
|
|
{(u32)(Pargs), (u32)(Iargs), (u32)(flags), obj_type, class, type}
|
|
#endif
|
|
|
|
#define ARG_TYPE_WIDTH 5
|
|
#define ARG_1(x) ((u32)(x))
|
|
#define ARG_2(x) ((u32)(x) << (1 * ARG_TYPE_WIDTH))
|
|
#define ARG_3(x) ((u32)(x) << (2 * ARG_TYPE_WIDTH))
|
|
#define ARG_4(x) ((u32)(x) << (3 * ARG_TYPE_WIDTH))
|
|
#define ARG_5(x) ((u32)(x) << (4 * ARG_TYPE_WIDTH))
|
|
#define ARG_6(x) ((u32)(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 & ((u32) 0x1F))
|
|
#define INCREMENT_ARG_LIST(list) (list >>= ((u32) ARG_TYPE_WIDTH))
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
#define ACPI_ERROR_NAMESPACE(s, e) acpi_ns_report_error (AE_INFO, s, e);
|
|
#define ACPI_ERROR_METHOD(s, n, p, e) acpi_ns_report_method_error (AE_INFO, s, n, p, e);
|
|
|
|
#else
|
|
|
|
/* No error messages */
|
|
|
|
#define ACPI_ERROR_NAMESPACE(s, e)
|
|
#define ACPI_ERROR_METHOD(s, n, p, e)
|
|
#endif /* ACPI_NO_ERROR_MESSAGES */
|
|
|
|
/*
|
|
* Debug macros that are conditionally compiled
|
|
*/
|
|
#ifdef ACPI_DEBUG_OUTPUT
|
|
|
|
/*
|
|
* Function entry tracing
|
|
*/
|
|
#ifdef CONFIG_ACPI_DEBUG_FUNC_TRACE
|
|
|
|
#define ACPI_FUNCTION_TRACE(a) ACPI_FUNCTION_NAME(a) \
|
|
acpi_ut_trace(ACPI_DEBUG_PARAMETERS)
|
|
#define ACPI_FUNCTION_TRACE_PTR(a, b) ACPI_FUNCTION_NAME(a) \
|
|
acpi_ut_trace_ptr(ACPI_DEBUG_PARAMETERS, (void *)b)
|
|
#define ACPI_FUNCTION_TRACE_U32(a, b) ACPI_FUNCTION_NAME(a) \
|
|
acpi_ut_trace_u32(ACPI_DEBUG_PARAMETERS, (u32)b)
|
|
#define ACPI_FUNCTION_TRACE_STR(a, b) ACPI_FUNCTION_NAME(a) \
|
|
acpi_ut_trace_str(ACPI_DEBUG_PARAMETERS, (char *)b)
|
|
|
|
#define ACPI_FUNCTION_ENTRY() acpi_ut_track_stack_ptr()
|
|
|
|
/*
|
|
* 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 ({ \
|
|
acpi_ut_exit (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); \
|
|
acpi_ut_status_exit (ACPI_DEBUG_PARAMETERS, _s); \
|
|
return (_s); })
|
|
#define return_PTR(s) ACPI_DO_WHILE0 ({ \
|
|
register void *_s = (void *) (s); \
|
|
acpi_ut_ptr_exit (ACPI_DEBUG_PARAMETERS, (u8 *) _s); \
|
|
return (_s); })
|
|
#define return_VALUE(s) ACPI_DO_WHILE0 ({ \
|
|
register acpi_integer _s = (s); \
|
|
acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, _s); \
|
|
return (_s); })
|
|
#define return_UINT8(s) ACPI_DO_WHILE0 ({ \
|
|
register u8 _s = (u8) (s); \
|
|
acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, (acpi_integer) _s); \
|
|
return (_s); })
|
|
#define return_UINT32(s) ACPI_DO_WHILE0 ({ \
|
|
register u32 _s = (u32) (s); \
|
|
acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, (acpi_integer) _s); \
|
|
return (_s); })
|
|
#else /* Use original less-safe macros */
|
|
|
|
#define return_ACPI_STATUS(s) ACPI_DO_WHILE0 ({ \
|
|
acpi_ut_status_exit (ACPI_DEBUG_PARAMETERS, (s)); \
|
|
return((s)); })
|
|
#define return_PTR(s) ACPI_DO_WHILE0 ({ \
|
|
acpi_ut_ptr_exit (ACPI_DEBUG_PARAMETERS, (u8 *) (s)); \
|
|
return((s)); })
|
|
#define return_VALUE(s) ACPI_DO_WHILE0 ({ \
|
|
acpi_ut_value_exit (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 */
|
|
|
|
#else /* !CONFIG_ACPI_DEBUG_FUNC_TRACE */
|
|
|
|
#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_TRACE(a)
|
|
#define ACPI_FUNCTION_ENTRY()
|
|
|
|
#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 /* CONFIG_ACPI_DEBUG_FUNC_TRACE */
|
|
|
|
/* 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) acpi_ex_dump_operand((a), 0)
|
|
#define ACPI_DUMP_OPERANDS(a, b, c) acpi_ex_dump_operands(a, b, c)
|
|
|
|
#define ACPI_DUMP_ENTRY(a, b) acpi_ns_dump_entry (a, b)
|
|
#define ACPI_DUMP_PATHNAME(a, b, c, d) acpi_ns_dump_pathname(a, b, c, d)
|
|
#define ACPI_DUMP_RESOURCE_LIST(a) acpi_rs_dump_resource_list(a)
|
|
#define ACPI_DUMP_BUFFER(a, b) acpi_ut_dump_buffer((u8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT)
|
|
|
|
#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) do { } while(0)
|
|
#define ACPI_DEBUG_ONLY_MEMBERS(a) do { } while(0)
|
|
#define ACPI_FUNCTION_TRACE(a) do { } while(0)
|
|
#define ACPI_FUNCTION_TRACE_PTR(a, b) do { } while(0)
|
|
#define ACPI_FUNCTION_TRACE_U32(a, b) do { } while(0)
|
|
#define ACPI_FUNCTION_TRACE_STR(a, b) do { } while(0)
|
|
#define ACPI_FUNCTION_EXIT do { } while(0)
|
|
#define ACPI_FUNCTION_STATUS_EXIT(s) do { } while(0)
|
|
#define ACPI_FUNCTION_VALUE_EXIT(s) do { } while(0)
|
|
#define ACPI_FUNCTION_ENTRY() do { } while(0)
|
|
#define ACPI_DUMP_STACK_ENTRY(a) do { } while(0)
|
|
#define ACPI_DUMP_OPERANDS(a, b, c) do { } while(0)
|
|
#define ACPI_DUMP_ENTRY(a, b) do { } while(0)
|
|
#define ACPI_DUMP_TABLES(a, b) do { } while(0)
|
|
#define ACPI_DUMP_PATHNAME(a, b, c, d) do { } while(0)
|
|
#define ACPI_DUMP_RESOURCE_LIST(a) do { } while(0)
|
|
#define ACPI_DUMP_BUFFER(a, b) do { } while(0)
|
|
|
|
#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
|
|
|
|
#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, acpi_gbl_ns_type_names[b], sizeof (a->common.name))
|
|
#else
|
|
|
|
#define ACPI_ADD_OBJECT_NAME(a,b)
|
|
#endif
|
|
|
|
/*
|
|
* Memory allocation tracking (DEBUG ONLY)
|
|
*/
|
|
#define ACPI_MEM_PARAMETERS _COMPONENT, _acpi_module_name, __LINE__
|
|
|
|
#ifndef ACPI_DBG_TRACK_ALLOCATIONS
|
|
|
|
/* Memory allocation */
|
|
|
|
#ifndef ACPI_ALLOCATE
|
|
#define ACPI_ALLOCATE(a) acpi_ut_allocate((acpi_size)(a), ACPI_MEM_PARAMETERS)
|
|
#endif
|
|
#ifndef ACPI_ALLOCATE_ZEROED
|
|
#define ACPI_ALLOCATE_ZEROED(a) acpi_ut_allocate_zeroed((acpi_size)(a), ACPI_MEM_PARAMETERS)
|
|
#endif
|
|
#ifndef ACPI_FREE
|
|
#define ACPI_FREE(a) acpio_os_free(a)
|
|
#endif
|
|
#define ACPI_MEM_TRACKING(a)
|
|
|
|
#else
|
|
|
|
/* Memory allocation */
|
|
|
|
#define ACPI_ALLOCATE(a) acpi_ut_allocate_and_track((acpi_size)(a), ACPI_MEM_PARAMETERS)
|
|
#define ACPI_ALLOCATE_ZEROED(a) acpi_ut_allocate_zeroed_and_track((acpi_size)(a), ACPI_MEM_PARAMETERS)
|
|
#define ACPI_FREE(a) acpi_ut_free_and_track(a, ACPI_MEM_PARAMETERS)
|
|
#define ACPI_MEM_TRACKING(a) a
|
|
|
|
#endif /* ACPI_DBG_TRACK_ALLOCATIONS */
|
|
|
|
/* Preemption point */
|
|
#ifndef ACPI_PREEMPTION_POINT
|
|
#define ACPI_PREEMPTION_POINT() /* no preemption */
|
|
#endif
|
|
|
|
#endif /* ACMACROS_H */
|