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memaccess: Fix unaligned 8 byte read.

This commit is contained in:
joevt 2023-12-04 03:47:46 -08:00 committed by Maxim Poliakovski
parent 5859b4cd66
commit 9e54fb88f8
1 changed files with 2 additions and 2 deletions
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4
memaccess.h
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@ -59,7 +59,7 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
#define READ_QWORD_BE_U(addr) \
((uint64_t((addr)[0]) << 56) | (uint64_t((addr)[1]) << 48) | \
(uint64_t((addr)[2]) << 40) | (uint64_t((addr)[3]) << 32) | \
((addr)[4] << 24) | ((addr)[5] << 16) | ((addr)[6] << 8) | (addr)[7])
(uint64_t((addr)[4]) << 24) | ((addr)[5] << 16) | ((addr)[6] << 8) | (addr)[7])
/* read an unaligned little-endian WORD (16bit) */
#define READ_WORD_LE_U(addr) (((addr)[1] << 8) | (addr)[0])
@ -72,7 +72,7 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
#define READ_QWORD_LE_U(addr) \
((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])
(uint64_t((addr)[3]) << 24) | ((addr)[2] << 16) | ((addr)[1] << 8) | (addr)[0])
/* write an aligned big-endian WORD (16bit) */
#define WRITE_WORD_BE_A(addr, val) (*((uint16_t*)((addr))) = BYTESWAP_16(val))