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Clean up memaccess header.

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This commit is contained in:
Maxim Poliakovski 2021-07-27 12:58:42 +02:00
parent 094d9a9c2f
commit 4f3dd797be
1 changed files with 42 additions and 27 deletions
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69
memaccess.h
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@ -1,4 +1,4 @@
/** @file Set of macros for accessing host memory units of various sizes /** @file Set of macros for accessing host memory in units of various sizes
and endianness. and endianness.
*/ */
@ -31,7 +31,8 @@
#define READ_WORD_BE_U(addr) (((addr)[0] << 8) | (addr)[1]) #define READ_WORD_BE_U(addr) (((addr)[0] << 8) | (addr)[1])
/* read an unaligned big-endian DWORD (32bit) */ /* read an unaligned big-endian DWORD (32bit) */
#define READ_DWORD_BE_U(addr) (((addr)[0] << 24) | ((addr)[1] << 16) | ((addr)[2] << 8) | (addr)[3]) #define READ_DWORD_BE_U(addr) \
(((addr)[0] << 24) | ((addr)[1] << 16) | ((addr)[2] << 8) | (addr)[3])
/* read an unaligned big-endian QWORD (32bit) */ /* read an unaligned big-endian QWORD (32bit) */
#define READ_QWORD_BE_U(addr) \ #define READ_QWORD_BE_U(addr) \
@ -43,14 +44,15 @@
#define READ_WORD_LE_U(addr) (((addr)[1] << 8) | (addr)[0]) #define READ_WORD_LE_U(addr) (((addr)[1] << 8) | (addr)[0])
/* read an unaligned little-endian DWORD (32bit) */ /* read an unaligned little-endian DWORD (32bit) */
#define READ_DWORD_LE_U(addr) (((addr)[3] << 24) | ((addr)[2] << 16) | ((addr)[1] << 8) | (addr)[0]) #define READ_DWORD_LE_U(addr) \
(((addr)[3] << 24) | ((addr)[2] << 16) | ((addr)[1] << 8) | (addr)[0])
/* read an unaligned little-endian DWORD (32bit) */ /* read an unaligned little-endian DWORD (64bit) */
#define READ_QWORD_LE_U(addr) \ #define READ_QWORD_LE_U(addr) \
(((addr)[7] << 56) | ((addr)[6] << 48) | ((addr)[5] << 40) | ((addr)[4] << 32) | \ ((uint64_t((addr)[7]) << 56) | (uint64_t((addr)[6]) << 48) | \
(uint64_t((addr)[5]) << 40) | (uint64_t((addr)[4]) << 32) | \
((addr)[3] << 24) | ((addr)[2] << 16) | ((addr)[1] << 8) | (addr)[0]) ((addr)[3] << 24) | ((addr)[2] << 16) | ((addr)[1] << 8) | (addr)[0])
/* write an aligned big-endian WORD (16bit) */ /* write an aligned big-endian WORD (16bit) */
#define WRITE_WORD_BE_A(addr, val) (*((uint16_t*)((addr))) = BYTESWAP_16(val)) #define WRITE_WORD_BE_A(addr, val) (*((uint16_t*)((addr))) = BYTESWAP_16(val))
@ -61,19 +63,32 @@
#define WRITE_QWORD_BE_A(addr, val) (*((uint64_t*)((addr))) = BYTESWAP_64(val)) #define WRITE_QWORD_BE_A(addr, val) (*((uint64_t*)((addr))) = BYTESWAP_64(val))
/* write an unaligned big-endian WORD (16bit) */ /* write an unaligned big-endian WORD (16bit) */
#define WRITE_WORD_BE_U(addr, val) \ #define WRITE_WORD_BE_U(addr, val) \
do { \ do { \
(addr)[0] = ((val) >> 8) & 0xFF; \ (addr)[0] = ((val) >> 8) & 0xFF; \
(addr)[1] = (val)&0xFF; \ (addr)[1] = (val) & 0xFF; \
} while (0) } while (0)
/* write an unaligned big-endian DWORD (32bit) */ /* write an unaligned big-endian DWORD (32bit) */
#define WRITE_DWORD_BE_U(addr, val) \ #define WRITE_DWORD_BE_U(addr, val) \
do { \ do { \
(addr)[0] = ((val) >> 24) & 0xFF; \ (addr)[0] = ((val) >> 24) & 0xFF; \
(addr)[1] = ((val) >> 16) & 0xFF; \ (addr)[1] = ((val) >> 16) & 0xFF; \
(addr)[2] = ((val) >> 8) & 0xFF; \ (addr)[2] = ((val) >> 8) & 0xFF; \
(addr)[3] = (val)&0xFF; \ (addr)[3] = (val) & 0xFF; \
} while (0)
/* write an unaligned big-endian DWORD (64bit) */
#define WRITE_QWORD_BE_U(addr, val) \
do { \
(addr)[0] = ((uint64_t)(val) >> 56) & 0xFF; \
(addr)[1] = ((uint64_t)(val) >> 48) & 0xFF; \
(addr)[2] = ((uint64_t)(val) >> 40) & 0xFF; \
(addr)[3] = ((uint64_t)(val) >> 32) & 0xFF; \
(addr)[4] = ((val) >> 24) & 0xFF; \
(addr)[5] = ((val) >> 16) & 0xFF; \
(addr)[6] = ((val) >> 8) & 0xFF; \
(addr)[7] = (val) & 0xFF; \
} while (0) } while (0)
/* write an aligned little-endian WORD (16bit) */ /* write an aligned little-endian WORD (16bit) */
@ -86,19 +101,19 @@
#define WRITE_QWORD_LE_A(addr, val) (*((uint64_t*)((addr))) = (val)) #define WRITE_QWORD_LE_A(addr, val) (*((uint64_t*)((addr))) = (val))
/* write an unaligned little-endian WORD (16bit) */ /* write an unaligned little-endian WORD (16bit) */
#define WRITE_WORD_LE_U(addr, val) \ #define WRITE_WORD_LE_U(addr, val) \
do { \ do { \
(addr)[0] = (val)&0xFF; \ (addr)[0] = (val)&0xFF; \
(addr)[1] = ((val) >> 8) & 0xFF; \ (addr)[1] = ((val) >> 8) & 0xFF; \
} while (0) } while (0)
/* write an unaligned little-endian DWORD (32bit) */ /* write an unaligned little-endian DWORD (32bit) */
#define WRITE_DWORD_LE_U(addr, val) \ #define WRITE_DWORD_LE_U(addr, val) \
do { \ do { \
(addr)[0] = (val)&0xFF; \ (addr)[0] = (val)&0xFF; \
(addr)[1] = ((val) >> 8) & 0xFF; \ (addr)[1] = ((val) >> 8) & 0xFF; \
(addr)[2] = ((val) >> 16) & 0xFF; \ (addr)[2] = ((val) >> 16) & 0xFF; \
(addr)[3] = ((val) >> 24) & 0xFF; \ (addr)[3] = ((val) >> 24) & 0xFF; \
} while (0) } while (0)
/* read value of the specified size from memory starting at addr, /* read value of the specified size from memory starting at addr,