diff options
| author | jkim <jkim@FreeBSD.org> | 2012-11-14 22:20:16 +0000 |
|---|---|---|
| committer | jkim <jkim@FreeBSD.org> | 2012-11-14 22:20:16 +0000 |
| commit | 526bfcf905004d9b67338a445cb661a63c3de018 (patch) | |
| tree | 2ffc551e57f0545a17c165d729c1438a26236f60 /source/include/acmacros.h | |
| parent | d8cd02b5b5893df382c08566087e32fe5b0c3abb (diff) | |
| download | FreeBSD-src-526bfcf905004d9b67338a445cb661a63c3de018.zip FreeBSD-src-526bfcf905004d9b67338a445cb661a63c3de018.tar.gz | |
Import ACPICA 20121114.
Diffstat (limited to 'source/include/acmacros.h')
| -rw-r--r-- | source/include/acmacros.h | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/source/include/acmacros.h b/source/include/acmacros.h index 8a0e384..9b44671 100644 --- a/source/include/acmacros.h +++ b/source/include/acmacros.h @@ -50,14 +50,18 @@ * 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) +#define ACPI_CAST8(ptr) ACPI_CAST_PTR (UINT8, (ptr)) +#define ACPI_CAST16(ptr) ACPI_CAST_PTR (UINT16, (ptr)) +#define ACPI_CAST32(ptr) ACPI_CAST_PTR (UINT32, (ptr)) +#define ACPI_CAST64(ptr) ACPI_CAST_PTR (UINT64, (ptr)) +#define ACPI_GET8(ptr) (*ACPI_CAST8 (ptr)) +#define ACPI_GET16(ptr) (*ACPI_CAST16 (ptr)) +#define ACPI_GET32(ptr) (*ACPI_CAST32 (ptr)) +#define ACPI_GET64(ptr) (*ACPI_CAST64 (ptr)) +#define ACPI_SET8(ptr, val) (*ACPI_CAST8 (ptr) = (UINT8) (val)) +#define ACPI_SET16(ptr, val) (*ACPI_CAST16 (ptr) = (UINT16) (val)) +#define ACPI_SET32(ptr, val) (*ACPI_CAST32 (ptr) = (UINT32) (val)) +#define ACPI_SET64(ptr, val) (*ACPI_CAST64 (ptr) = (UINT64) (val)) /* * printf() format helpers @@ -296,6 +300,20 @@ #define ACPI_16BIT_MASK 0x0000FFFF #define ACPI_24BIT_MASK 0x00FFFFFF +/* Macros to extract flag bits from position zero */ + +#define ACPI_GET_1BIT_FLAG(Value) ((Value) & ACPI_1BIT_MASK) +#define ACPI_GET_2BIT_FLAG(Value) ((Value) & ACPI_2BIT_MASK) +#define ACPI_GET_3BIT_FLAG(Value) ((Value) & ACPI_3BIT_MASK) +#define ACPI_GET_4BIT_FLAG(Value) ((Value) & ACPI_4BIT_MASK) + +/* Macros to extract flag bits from position one and above */ + +#define ACPI_EXTRACT_1BIT_FLAG(Field, Position) (ACPI_GET_1BIT_FLAG ((Field) >> Position)) +#define ACPI_EXTRACT_2BIT_FLAG(Field, Position) (ACPI_GET_2BIT_FLAG ((Field) >> Position)) +#define ACPI_EXTRACT_3BIT_FLAG(Field, Position) (ACPI_GET_3BIT_FLAG ((Field) >> Position)) +#define ACPI_EXTRACT_4BIT_FLAG(Field, Position) (ACPI_GET_4BIT_FLAG ((Field) >> Position)) + /* * An object of type ACPI_NAMESPACE_NODE can appear in some contexts * where a pointer to an object of type ACPI_OPERAND_OBJECT can also |
