| acmacros.h (238381) | acmacros.h (239340) |
|---|---|
| 1/****************************************************************************** 2 * 3 * Name: acmacros.h - C macros for the entire subsystem. 4 * 5 *****************************************************************************/ 6 7/* 8 * Copyright (C) 2000 - 2012, Intel Corp. --- 254 unchanged lines hidden (view full) --- 263 * MASK_BITS_ABOVE creates a mask starting AT the position and above 264 * MASK_BITS_BELOW creates a mask starting one bit BELOW the position 265 */ 266#define ACPI_MASK_BITS_ABOVE(position) (~((ACPI_UINT64_MAX) << ((UINT32) (position)))) 267#define ACPI_MASK_BITS_BELOW(position) ((ACPI_UINT64_MAX) << ((UINT32) (position))) 268 269/* Bitfields within ACPI registers */ 270 | 1/****************************************************************************** 2 * 3 * Name: acmacros.h - C macros for the entire subsystem. 4 * 5 *****************************************************************************/ 6 7/* 8 * Copyright (C) 2000 - 2012, Intel Corp. --- 254 unchanged lines hidden (view full) --- 263 * MASK_BITS_ABOVE creates a mask starting AT the position and above 264 * MASK_BITS_BELOW creates a mask starting one bit BELOW the position 265 */ 266#define ACPI_MASK_BITS_ABOVE(position) (~((ACPI_UINT64_MAX) << ((UINT32) (position)))) 267#define ACPI_MASK_BITS_BELOW(position) ((ACPI_UINT64_MAX) << ((UINT32) (position))) 268 269/* Bitfields within ACPI registers */ 270 |
| 271#define ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask) ((Val << Pos) & Mask) 272#define ACPI_REGISTER_INSERT_VALUE(Reg, Pos, Mask, Val) Reg = (Reg & (~(Mask))) | ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask) | 271#define ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask) \ 272 ((Val << Pos) & Mask) |
| 273 | 273 |
| 274#define ACPI_INSERT_BITS(Target, Mask, Source) Target = ((Target & (~(Mask))) | (Source & Mask)) | 274#define ACPI_REGISTER_INSERT_VALUE(Reg, Pos, Mask, Val) \ 275 Reg = (Reg & (~(Mask))) | ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask) |
| 275 | 276 |
| 277#define ACPI_INSERT_BITS(Target, Mask, Source) \ 278 Target = ((Target & (~(Mask))) | (Source & Mask)) 279 280/* Generic bitfield macros and masks */ 281 282#define ACPI_GET_BITS(SourcePtr, Position, Mask) \ 283 ((*SourcePtr >> Position) & Mask) 284 285#define ACPI_SET_BITS(TargetPtr, Position, Mask, Value) \ 286 (*TargetPtr |= ((Value & Mask) << Position)) 287 288#define ACPI_1BIT_MASK 0x00000001 289#define ACPI_2BIT_MASK 0x00000003 290#define ACPI_3BIT_MASK 0x00000007 291#define ACPI_4BIT_MASK 0x0000000F 292#define ACPI_5BIT_MASK 0x0000001F 293#define ACPI_6BIT_MASK 0x0000003F 294#define ACPI_7BIT_MASK 0x0000007F 295#define ACPI_8BIT_MASK 0x000000FF 296#define ACPI_16BIT_MASK 0x0000FFFF 297#define ACPI_24BIT_MASK 0x00FFFFFF 298 |
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| 276/* 277 * An object of type ACPI_NAMESPACE_NODE can appear in some contexts 278 * where a pointer to an object of type ACPI_OPERAND_OBJECT can also 279 * appear. This macro is used to distinguish them. 280 * 281 * The "Descriptor" field is the first field in both structures. 282 */ 283#define ACPI_GET_DESCRIPTOR_TYPE(d) (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType) --- 257 unchanged lines hidden --- | 299/* 300 * An object of type ACPI_NAMESPACE_NODE can appear in some contexts 301 * where a pointer to an object of type ACPI_OPERAND_OBJECT can also 302 * appear. This macro is used to distinguish them. 303 * 304 * The "Descriptor" field is the first field in both structures. 305 */ 306#define ACPI_GET_DESCRIPTOR_TYPE(d) (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType) --- 257 unchanged lines hidden --- |