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1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */2/******************************************************************************3 *4 * Name: acmacros.h - C macros for the entire subsystem.5 *6 * Copyright (C) 2000 - 2023, Intel Corp.7 *8 *****************************************************************************/9 10#ifndef __ACMACROS_H__11#define __ACMACROS_H__12 13/*14 * Extract data using a pointer. Any more than a byte and we15 * get into potential alignment issues -- see the STORE macros below.16 * Use with care.17 */18#define ACPI_CAST8(ptr) ACPI_CAST_PTR (u8, (ptr))19#define ACPI_CAST16(ptr) ACPI_CAST_PTR (u16, (ptr))20#define ACPI_CAST32(ptr) ACPI_CAST_PTR (u32, (ptr))21#define ACPI_CAST64(ptr) ACPI_CAST_PTR (u64, (ptr))22#define ACPI_GET8(ptr) (*ACPI_CAST8 (ptr))23#define ACPI_GET16(ptr) (*ACPI_CAST16 (ptr))24#define ACPI_GET32(ptr) (*ACPI_CAST32 (ptr))25#define ACPI_GET64(ptr) (*ACPI_CAST64 (ptr))26#define ACPI_SET8(ptr, val) (*ACPI_CAST8 (ptr) = (u8) (val))27#define ACPI_SET16(ptr, val) (*ACPI_CAST16 (ptr) = (u16) (val))28#define ACPI_SET32(ptr, val) (*ACPI_CAST32 (ptr) = (u32) (val))29#define ACPI_SET64(ptr, val) (*ACPI_CAST64 (ptr) = (u64) (val))30 31/*32 * printf() format helper. This macro is a workaround for the difficulties33 * with emitting 64-bit integers and 64-bit pointers with the same code34 * for both 32-bit and 64-bit hosts.35 */36#define ACPI_FORMAT_UINT64(i) ACPI_HIDWORD(i), ACPI_LODWORD(i)37 38/*39 * Macros for moving data around to/from buffers that are possibly unaligned.40 * If the hardware supports the transfer of unaligned data, just do the store.41 * Otherwise, we have to move one byte at a time.42 */43#ifdef ACPI_BIG_ENDIAN44/*45 * Macros for big-endian machines46 */47 48/* These macros reverse the bytes during the move, converting little-endian to big endian */49 50 /* Big Endian <== Little Endian */51 /* Hi...Lo Lo...Hi */52/* 16-bit source, 16/32/64 destination */53 54#define ACPI_MOVE_16_TO_16(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[1];\55 (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[0];}56 57#define ACPI_MOVE_16_TO_32(d, s) {(*(u32 *)(void *)(d))=0;\58 ((u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\59 ((u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];}60 61#define ACPI_MOVE_16_TO_64(d, s) {(*(u64 *)(void *)(d))=0;\62 ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\63 ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}64 65/* 32-bit source, 16/32/64 destination */66 67#define ACPI_MOVE_32_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */68 69#define ACPI_MOVE_32_TO_32(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[3];\70 (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[2];\71 (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\72 (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];}73 74#define ACPI_MOVE_32_TO_64(d, s) {(*(u64 *)(void *)(d))=0;\75 ((u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\76 ((u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\77 ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\78 ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}79 80/* 64-bit source, 16/32/64 destination */81 82#define ACPI_MOVE_64_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */83 84#define ACPI_MOVE_64_TO_32(d, s) ACPI_MOVE_32_TO_32(d, s) /* Truncate to 32 */85 86#define ACPI_MOVE_64_TO_64(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[7];\87 (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[6];\88 (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[5];\89 (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[4];\90 (( u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\91 (( u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\92 (( u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\93 (( u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}94#else95/*96 * Macros for little-endian machines97 */98 99#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED100 101/* The hardware supports unaligned transfers, just do the little-endian move */102 103/* 16-bit source, 16/32/64 destination */104 105#define ACPI_MOVE_16_TO_16(d, s) *(u16 *)(void *)(d) = *(u16 *)(void *)(s)106#define ACPI_MOVE_16_TO_32(d, s) *(u32 *)(void *)(d) = *(u16 *)(void *)(s)107#define ACPI_MOVE_16_TO_64(d, s) *(u64 *)(void *)(d) = *(u16 *)(void *)(s)108 109/* 32-bit source, 16/32/64 destination */110 111#define ACPI_MOVE_32_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */112#define ACPI_MOVE_32_TO_32(d, s) *(u32 *)(void *)(d) = *(u32 *)(void *)(s)113#define ACPI_MOVE_32_TO_64(d, s) *(u64 *)(void *)(d) = *(u32 *)(void *)(s)114 115/* 64-bit source, 16/32/64 destination */116 117#define ACPI_MOVE_64_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */118#define ACPI_MOVE_64_TO_32(d, s) ACPI_MOVE_32_TO_32(d, s) /* Truncate to 32 */119#define ACPI_MOVE_64_TO_64(d, s) *(u64 *)(void *)(d) = *(u64 *)(void *)(s)120 121#else122/*123 * The hardware does not support unaligned transfers. We must move the124 * data one byte at a time. These macros work whether the source or125 * the destination (or both) is/are unaligned. (Little-endian move)126 */127 128/* 16-bit source, 16/32/64 destination */129 130#define ACPI_MOVE_16_TO_16(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\131 (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];}132 133#define ACPI_MOVE_16_TO_32(d, s) {(*(u32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}134#define ACPI_MOVE_16_TO_64(d, s) {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}135 136/* 32-bit source, 16/32/64 destination */137 138#define ACPI_MOVE_32_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */139 140#define ACPI_MOVE_32_TO_32(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\141 (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\142 (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\143 (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];}144 145#define ACPI_MOVE_32_TO_64(d, s) {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d, s);}146 147/* 64-bit source, 16/32/64 destination */148 149#define ACPI_MOVE_64_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */150#define ACPI_MOVE_64_TO_32(d, s) ACPI_MOVE_32_TO_32(d, s) /* Truncate to 32 */151#define ACPI_MOVE_64_TO_64(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\152 (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\153 (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\154 (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];\155 (( u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[4];\156 (( u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[5];\157 (( u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[6];\158 (( u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[7];}159#endif160#endif161 162/*163 * Fast power-of-two math macros for non-optimized compilers164 */165#define _ACPI_DIV(value, power_of2) ((u32) ((value) >> (power_of2)))166#define _ACPI_MUL(value, power_of2) ((u32) ((value) << (power_of2)))167#define _ACPI_MOD(value, divisor) ((u32) ((value) & ((divisor) -1)))168 169#define ACPI_DIV_2(a) _ACPI_DIV(a, 1)170#define ACPI_MUL_2(a) _ACPI_MUL(a, 1)171#define ACPI_MOD_2(a) _ACPI_MOD(a, 2)172 173#define ACPI_DIV_4(a) _ACPI_DIV(a, 2)174#define ACPI_MUL_4(a) _ACPI_MUL(a, 2)175#define ACPI_MOD_4(a) _ACPI_MOD(a, 4)176 177#define ACPI_DIV_8(a) _ACPI_DIV(a, 3)178#define ACPI_MUL_8(a) _ACPI_MUL(a, 3)179#define ACPI_MOD_8(a) _ACPI_MOD(a, 8)180 181#define ACPI_DIV_16(a) _ACPI_DIV(a, 4)182#define ACPI_MUL_16(a) _ACPI_MUL(a, 4)183#define ACPI_MOD_16(a) _ACPI_MOD(a, 16)184 185#define ACPI_DIV_32(a) _ACPI_DIV(a, 5)186#define ACPI_MUL_32(a) _ACPI_MUL(a, 5)187#define ACPI_MOD_32(a) _ACPI_MOD(a, 32)188 189/* Test for ASCII character */190 191#define ACPI_IS_ASCII(c) ((c) < 0x80)192 193/* Signed integers */194 195#define ACPI_SIGN_POSITIVE 0196#define ACPI_SIGN_NEGATIVE 1197 198/*199 * Rounding macros (Power of two boundaries only)200 */201#define ACPI_ROUND_DOWN(value, boundary) (((acpi_size)(value)) & \202 (~(((acpi_size) boundary)-1)))203 204#define ACPI_ROUND_UP(value, boundary) ((((acpi_size)(value)) + \205 (((acpi_size) boundary)-1)) & \206 (~(((acpi_size) boundary)-1)))207 208/* Note: sizeof(acpi_size) evaluates to either 4 or 8 (32- vs 64-bit mode) */209 210#define ACPI_ROUND_DOWN_TO_32BIT(a) ACPI_ROUND_DOWN(a, 4)211#define ACPI_ROUND_DOWN_TO_64BIT(a) ACPI_ROUND_DOWN(a, 8)212#define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a) ACPI_ROUND_DOWN(a, sizeof(acpi_size))213 214#define ACPI_ROUND_UP_TO_32BIT(a) ACPI_ROUND_UP(a, 4)215#define ACPI_ROUND_UP_TO_64BIT(a) ACPI_ROUND_UP(a, 8)216#define ACPI_ROUND_UP_TO_NATIVE_WORD(a) ACPI_ROUND_UP(a, sizeof(acpi_size))217 218#define ACPI_ROUND_BITS_UP_TO_BYTES(a) ACPI_DIV_8((a) + 7)219#define ACPI_ROUND_BITS_DOWN_TO_BYTES(a) ACPI_DIV_8((a))220 221#define ACPI_ROUND_UP_TO_1K(a) (((a) + 1023) >> 10)222 223/* Generic (non-power-of-two) rounding */224 225#define ACPI_ROUND_UP_TO(value, boundary) (((value) + ((boundary)-1)) / (boundary))226 227#define ACPI_IS_MISALIGNED(value) (((acpi_size) value) & (sizeof(acpi_size)-1))228 229/* Generic bit manipulation */230 231#ifndef ACPI_USE_NATIVE_BIT_FINDER232 233#define __ACPI_FIND_LAST_BIT_2(a, r) ((((u8) (a)) & 0x02) ? (r)+1 : (r))234#define __ACPI_FIND_LAST_BIT_4(a, r) ((((u8) (a)) & 0x0C) ? \235 __ACPI_FIND_LAST_BIT_2 ((a)>>2, (r)+2) : \236 __ACPI_FIND_LAST_BIT_2 ((a), (r)))237#define __ACPI_FIND_LAST_BIT_8(a, r) ((((u8) (a)) & 0xF0) ? \238 __ACPI_FIND_LAST_BIT_4 ((a)>>4, (r)+4) : \239 __ACPI_FIND_LAST_BIT_4 ((a), (r)))240#define __ACPI_FIND_LAST_BIT_16(a, r) ((((u16) (a)) & 0xFF00) ? \241 __ACPI_FIND_LAST_BIT_8 ((a)>>8, (r)+8) : \242 __ACPI_FIND_LAST_BIT_8 ((a), (r)))243#define __ACPI_FIND_LAST_BIT_32(a, r) ((((u32) (a)) & 0xFFFF0000) ? \244 __ACPI_FIND_LAST_BIT_16 ((a)>>16, (r)+16) : \245 __ACPI_FIND_LAST_BIT_16 ((a), (r)))246#define __ACPI_FIND_LAST_BIT_64(a, r) ((((u64) (a)) & 0xFFFFFFFF00000000) ? \247 __ACPI_FIND_LAST_BIT_32 ((a)>>32, (r)+32) : \248 __ACPI_FIND_LAST_BIT_32 ((a), (r)))249 250#define ACPI_FIND_LAST_BIT_8(a) ((a) ? __ACPI_FIND_LAST_BIT_8 (a, 1) : 0)251#define ACPI_FIND_LAST_BIT_16(a) ((a) ? __ACPI_FIND_LAST_BIT_16 (a, 1) : 0)252#define ACPI_FIND_LAST_BIT_32(a) ((a) ? __ACPI_FIND_LAST_BIT_32 (a, 1) : 0)253#define ACPI_FIND_LAST_BIT_64(a) ((a) ? __ACPI_FIND_LAST_BIT_64 (a, 1) : 0)254 255#define __ACPI_FIND_FIRST_BIT_2(a, r) ((((u8) (a)) & 0x01) ? (r) : (r)+1)256#define __ACPI_FIND_FIRST_BIT_4(a, r) ((((u8) (a)) & 0x03) ? \257 __ACPI_FIND_FIRST_BIT_2 ((a), (r)) : \258 __ACPI_FIND_FIRST_BIT_2 ((a)>>2, (r)+2))259#define __ACPI_FIND_FIRST_BIT_8(a, r) ((((u8) (a)) & 0x0F) ? \260 __ACPI_FIND_FIRST_BIT_4 ((a), (r)) : \261 __ACPI_FIND_FIRST_BIT_4 ((a)>>4, (r)+4))262#define __ACPI_FIND_FIRST_BIT_16(a, r) ((((u16) (a)) & 0x00FF) ? \263 __ACPI_FIND_FIRST_BIT_8 ((a), (r)) : \264 __ACPI_FIND_FIRST_BIT_8 ((a)>>8, (r)+8))265#define __ACPI_FIND_FIRST_BIT_32(a, r) ((((u32) (a)) & 0x0000FFFF) ? \266 __ACPI_FIND_FIRST_BIT_16 ((a), (r)) : \267 __ACPI_FIND_FIRST_BIT_16 ((a)>>16, (r)+16))268#define __ACPI_FIND_FIRST_BIT_64(a, r) ((((u64) (a)) & 0x00000000FFFFFFFF) ? \269 __ACPI_FIND_FIRST_BIT_32 ((a), (r)) : \270 __ACPI_FIND_FIRST_BIT_32 ((a)>>32, (r)+32))271 272#define ACPI_FIND_FIRST_BIT_8(a) ((a) ? __ACPI_FIND_FIRST_BIT_8 (a, 1) : 0)273#define ACPI_FIND_FIRST_BIT_16(a) ((a) ? __ACPI_FIND_FIRST_BIT_16 (a, 1) : 0)274#define ACPI_FIND_FIRST_BIT_32(a) ((a) ? __ACPI_FIND_FIRST_BIT_32 (a, 1) : 0)275#define ACPI_FIND_FIRST_BIT_64(a) ((a) ? __ACPI_FIND_FIRST_BIT_64 (a, 1) : 0)276 277#endif /* ACPI_USE_NATIVE_BIT_FINDER */278 279/* Generic (power-of-two) rounding */280 281#define ACPI_ROUND_UP_POWER_OF_TWO_8(a) ((u8) \282 (((u16) 1) << ACPI_FIND_LAST_BIT_8 ((a) - 1)))283#define ACPI_ROUND_DOWN_POWER_OF_TWO_8(a) ((u8) \284 (((u16) 1) << (ACPI_FIND_LAST_BIT_8 ((a)) - 1)))285#define ACPI_ROUND_UP_POWER_OF_TWO_16(a) ((u16) \286 (((u32) 1) << ACPI_FIND_LAST_BIT_16 ((a) - 1)))287#define ACPI_ROUND_DOWN_POWER_OF_TWO_16(a) ((u16) \288 (((u32) 1) << (ACPI_FIND_LAST_BIT_16 ((a)) - 1)))289#define ACPI_ROUND_UP_POWER_OF_TWO_32(a) ((u32) \290 (((u64) 1) << ACPI_FIND_LAST_BIT_32 ((a) - 1)))291#define ACPI_ROUND_DOWN_POWER_OF_TWO_32(a) ((u32) \292 (((u64) 1) << (ACPI_FIND_LAST_BIT_32 ((a)) - 1)))293#define ACPI_IS_ALIGNED(a, s) (((a) & ((s) - 1)) == 0)294#define ACPI_IS_POWER_OF_TWO(a) ACPI_IS_ALIGNED(a, a)295 296/*297 * Bitmask creation298 * Bit positions start at zero.299 * MASK_BITS_ABOVE creates a mask starting AT the position and above300 * MASK_BITS_BELOW creates a mask starting one bit BELOW the position301 * MASK_BITS_ABOVE/BELOW accepts a bit offset to create a mask302 * MASK_BITS_ABOVE/BELOW_32/64 accepts a bit width to create a mask303 * Note: The ACPI_INTEGER_BIT_SIZE check is used to bypass compiler304 * differences with the shift operator305 */306#define ACPI_MASK_BITS_ABOVE(position) (~((ACPI_UINT64_MAX) << ((u32) (position))))307#define ACPI_MASK_BITS_BELOW(position) ((ACPI_UINT64_MAX) << ((u32) (position)))308#define ACPI_MASK_BITS_ABOVE_32(width) ((u32) ACPI_MASK_BITS_ABOVE(width))309#define ACPI_MASK_BITS_BELOW_32(width) ((u32) ACPI_MASK_BITS_BELOW(width))310#define ACPI_MASK_BITS_ABOVE_64(width) ((width) == ACPI_INTEGER_BIT_SIZE ? \311 ACPI_UINT64_MAX : \312 ACPI_MASK_BITS_ABOVE(width))313#define ACPI_MASK_BITS_BELOW_64(width) ((width) == ACPI_INTEGER_BIT_SIZE ? \314 (u64) 0 : \315 ACPI_MASK_BITS_BELOW(width))316 317/* Bitfields within ACPI registers */318 319#define ACPI_REGISTER_PREPARE_BITS(val, pos, mask) \320 ((val << pos) & mask)321 322#define ACPI_REGISTER_INSERT_VALUE(reg, pos, mask, val) \323 reg = (reg & (~(mask))) | ACPI_REGISTER_PREPARE_BITS(val, pos, mask)324 325#define ACPI_INSERT_BITS(target, mask, source) \326 target = ((target & (~(mask))) | (source & mask))327 328/* Generic bitfield macros and masks */329 330#define ACPI_GET_BITS(source_ptr, position, mask) \331 ((*(source_ptr) >> (position)) & (mask))332 333#define ACPI_SET_BITS(target_ptr, position, mask, value) \334 (*(target_ptr) |= (((value) & (mask)) << (position)))335 336#define ACPI_1BIT_MASK 0x00000001337#define ACPI_2BIT_MASK 0x00000003338#define ACPI_3BIT_MASK 0x00000007339#define ACPI_4BIT_MASK 0x0000000F340#define ACPI_5BIT_MASK 0x0000001F341#define ACPI_6BIT_MASK 0x0000003F342#define ACPI_7BIT_MASK 0x0000007F343#define ACPI_8BIT_MASK 0x000000FF344#define ACPI_16BIT_MASK 0x0000FFFF345#define ACPI_24BIT_MASK 0x00FFFFFF346 347/* Macros to extract flag bits from position zero */348 349#define ACPI_GET_1BIT_FLAG(value) ((value) & ACPI_1BIT_MASK)350#define ACPI_GET_2BIT_FLAG(value) ((value) & ACPI_2BIT_MASK)351#define ACPI_GET_3BIT_FLAG(value) ((value) & ACPI_3BIT_MASK)352#define ACPI_GET_4BIT_FLAG(value) ((value) & ACPI_4BIT_MASK)353 354/* Macros to extract flag bits from position one and above */355 356#define ACPI_EXTRACT_1BIT_FLAG(field, position) (ACPI_GET_1BIT_FLAG ((field) >> position))357#define ACPI_EXTRACT_2BIT_FLAG(field, position) (ACPI_GET_2BIT_FLAG ((field) >> position))358#define ACPI_EXTRACT_3BIT_FLAG(field, position) (ACPI_GET_3BIT_FLAG ((field) >> position))359#define ACPI_EXTRACT_4BIT_FLAG(field, position) (ACPI_GET_4BIT_FLAG ((field) >> position))360 361/* ACPI Pathname helpers */362 363#define ACPI_IS_ROOT_PREFIX(c) ((c) == (u8) 0x5C) /* Backslash */364#define ACPI_IS_PARENT_PREFIX(c) ((c) == (u8) 0x5E) /* Carat */365#define ACPI_IS_PATH_SEPARATOR(c) ((c) == (u8) 0x2E) /* Period (dot) */366 367/*368 * An object of type struct acpi_namespace_node can appear in some contexts369 * where a pointer to an object of type union acpi_operand_object can also370 * appear. This macro is used to distinguish them.371 *372 * The "DescriptorType" field is the second field in both structures.373 */374#define ACPI_GET_DESCRIPTOR_PTR(d) (((union acpi_descriptor *)(void *)(d))->common.common_pointer)375#define ACPI_SET_DESCRIPTOR_PTR(d, p) (((union acpi_descriptor *)(void *)(d))->common.common_pointer = (p))376#define ACPI_GET_DESCRIPTOR_TYPE(d) (((union acpi_descriptor *)(void *)(d))->common.descriptor_type)377#define ACPI_SET_DESCRIPTOR_TYPE(d, t) (((union acpi_descriptor *)(void *)(d))->common.descriptor_type = (t))378 379/*380 * Macros for the master AML opcode table381 */382#if defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)383#define ACPI_OP(name, Pargs, Iargs, obj_type, class, type, flags) \384 {name, (u32)(Pargs), (u32)(Iargs), (u32)(flags), obj_type, class, type}385#else386#define ACPI_OP(name, Pargs, Iargs, obj_type, class, type, flags) \387 {(u32)(Pargs), (u32)(Iargs), (u32)(flags), obj_type, class, type}388#endif389 390#define ARG_TYPE_WIDTH 5391#define ARG_1(x) ((u32)(x))392#define ARG_2(x) ((u32)(x) << (1 * ARG_TYPE_WIDTH))393#define ARG_3(x) ((u32)(x) << (2 * ARG_TYPE_WIDTH))394#define ARG_4(x) ((u32)(x) << (3 * ARG_TYPE_WIDTH))395#define ARG_5(x) ((u32)(x) << (4 * ARG_TYPE_WIDTH))396#define ARG_6(x) ((u32)(x) << (5 * ARG_TYPE_WIDTH))397 398#define ARGI_LIST1(a) (ARG_1(a))399#define ARGI_LIST2(a, b) (ARG_1(b)|ARG_2(a))400#define ARGI_LIST3(a, b, c) (ARG_1(c)|ARG_2(b)|ARG_3(a))401#define ARGI_LIST4(a, b, c, d) (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a))402#define ARGI_LIST5(a, b, c, d, e) (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a))403#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))404 405#define ARGP_LIST1(a) (ARG_1(a))406#define ARGP_LIST2(a, b) (ARG_1(a)|ARG_2(b))407#define ARGP_LIST3(a, b, c) (ARG_1(a)|ARG_2(b)|ARG_3(c))408#define ARGP_LIST4(a, b, c, d) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d))409#define ARGP_LIST5(a, b, c, d, e) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e))410#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))411 412#define GET_CURRENT_ARG_TYPE(list) (list & ((u32) 0x1F))413#define INCREMENT_ARG_LIST(list) (list >>= ((u32) ARG_TYPE_WIDTH))414 415/*416 * Ascii error messages can be configured out417 */418#ifndef ACPI_NO_ERROR_MESSAGES419/*420 * Error reporting. The callers module and line number are inserted by AE_INFO,421 * the plist contains a set of parens to allow variable-length lists.422 * These macros are used for both the debug and non-debug versions of the code.423 */424#define ACPI_ERROR_NAMESPACE(s, p, e) acpi_ut_prefixed_namespace_error (AE_INFO, s, p, e);425#define ACPI_ERROR_METHOD(s, n, p, e) acpi_ut_method_error (AE_INFO, s, n, p, e);426#define ACPI_WARN_PREDEFINED(plist) acpi_ut_predefined_warning plist427#define ACPI_INFO_PREDEFINED(plist) acpi_ut_predefined_info plist428#define ACPI_BIOS_ERROR_PREDEFINED(plist) acpi_ut_predefined_bios_error plist429#define ACPI_ERROR_ONLY(s) s430 431#else432 433/* No error messages */434 435#define ACPI_ERROR_NAMESPACE(s, p, e)436#define ACPI_ERROR_METHOD(s, n, p, e)437#define ACPI_WARN_PREDEFINED(plist)438#define ACPI_INFO_PREDEFINED(plist)439#define ACPI_BIOS_ERROR_PREDEFINED(plist)440#define ACPI_ERROR_ONLY(s)441 442#endif /* ACPI_NO_ERROR_MESSAGES */443 444#if (!ACPI_REDUCED_HARDWARE)445#define ACPI_HW_OPTIONAL_FUNCTION(addr) addr446#else447#define ACPI_HW_OPTIONAL_FUNCTION(addr) NULL448#endif449 450/*451 * Macros used for ACPICA utilities only452 */453 454/* Generate a UUID */455 456#define ACPI_INIT_UUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \457 (a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \458 (b) & 0xFF, ((b) >> 8) & 0xFF, \459 (c) & 0xFF, ((c) >> 8) & 0xFF, \460 (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7)461 462#define ACPI_IS_OCTAL_DIGIT(d) (((char)(d) >= '0') && ((char)(d) <= '7'))463 464/*465 * Macros used for the ASL-/ASL+ converter utility466 */467#ifdef ACPI_ASL_COMPILER468 469#define ASL_CV_LABEL_FILENODE(a) cv_label_file_node(a);470#define ASL_CV_CAPTURE_COMMENTS_ONLY(a) cv_capture_comments_only (a);471#define ASL_CV_CAPTURE_COMMENTS(a) cv_capture_comments (a);472#define ASL_CV_TRANSFER_COMMENTS(a) cv_transfer_comments (a);473#define ASL_CV_CLOSE_PAREN(a,b) cv_close_paren_write_comment(a,b);474#define ASL_CV_CLOSE_BRACE(a,b) cv_close_brace_write_comment(a,b);475#define ASL_CV_SWITCH_FILES(a,b) cv_switch_files(a,b);476#define ASL_CV_CLEAR_OP_COMMENTS(a) cv_clear_op_comments(a);477#define ASL_CV_PRINT_ONE_COMMENT(a,b,c,d) cv_print_one_comment_type (a,b,c,d);478#define ASL_CV_PRINT_ONE_COMMENT_LIST(a,b) cv_print_one_comment_list (a,b);479#define ASL_CV_FILE_HAS_SWITCHED(a) cv_file_has_switched(a)480#define ASL_CV_INIT_FILETREE(a,b) cv_init_file_tree(a,b);481 482#else483 484#define ASL_CV_LABEL_FILENODE(a)485#define ASL_CV_CAPTURE_COMMENTS_ONLY(a)486#define ASL_CV_CAPTURE_COMMENTS(a)487#define ASL_CV_TRANSFER_COMMENTS(a)488#define ASL_CV_CLOSE_PAREN(a,b) acpi_os_printf (")");489#define ASL_CV_CLOSE_BRACE(a,b) acpi_os_printf ("}");490#define ASL_CV_SWITCH_FILES(a,b)491#define ASL_CV_CLEAR_OP_COMMENTS(a)492#define ASL_CV_PRINT_ONE_COMMENT(a,b,c,d)493#define ASL_CV_PRINT_ONE_COMMENT_LIST(a,b)494#define ASL_CV_FILE_HAS_SWITCHED(a) 0495#define ASL_CV_INIT_FILETREE(a,b)496 497#endif498 499#endif /* ACMACROS_H */500