X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Fhelper%2Fbinarybuffer.h;h=6b142dd1c7faf64fc66c440c12218f2e996b9137;hb=7bfcc10839d2a9190cb7ae9fae02280e643b3450;hp=460d0178ad17a1ef8e9176e47818d81f7320508e;hpb=a94748ec6da9bdc6e25a7f73bbea723b8b55fa33;p=openocd.git diff --git a/src/helper/binarybuffer.h b/src/helper/binarybuffer.h index 460d0178ad..6b142dd1c7 100644 --- a/src/helper/binarybuffer.h +++ b/src/helper/binarybuffer.h @@ -20,11 +20,10 @@ * Free Software Foundation, Inc., * * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * ***************************************************************************/ + #ifndef BINARYBUFFER_H #define BINARYBUFFER_H -#include "types.h" - /** @file * Support functions to access arbitrary bits in a byte array */ @@ -39,17 +38,17 @@ * @param value Up to 32 bits that will be copied to _buffer. */ static inline void buf_set_u32(void *_buffer, - unsigned first, unsigned num, uint32_t value) + unsigned first, unsigned num, uint32_t value) { - char *buffer = (char *)_buffer; + uint8_t *buffer = (uint8_t *)_buffer; + if ((num == 32) && (first == 0)) { buffer[3] = (value >> 24) & 0xff; buffer[2] = (value >> 16) & 0xff; buffer[1] = (value >> 8) & 0xff; buffer[0] = (value >> 0) & 0xff; } else { - for (unsigned i = first; i < first + num; i++) - { + for (unsigned i = first; i < first + num; i++) { if (((value >> (i - first)) & 1) == 1) buffer[i / 8] |= 1 << (i % 8); else @@ -67,18 +66,18 @@ static inline void buf_set_u32(void *_buffer, * @returns Up to 32-bits that were read from @c _buffer. */ static inline uint32_t buf_get_u32(const void *_buffer, - unsigned first, unsigned num) + unsigned first, unsigned num) { - char *buffer = (char *)_buffer; + uint8_t *buffer = (uint8_t *)_buffer; + if ((num == 32) && (first == 0)) { return (((uint32_t)buffer[3]) << 24) | - (((uint32_t)buffer[2]) << 16) | - (((uint32_t)buffer[1]) << 8) | - (((uint32_t)buffer[0]) << 0); + (((uint32_t)buffer[2]) << 16) | + (((uint32_t)buffer[1]) << 8) | + (((uint32_t)buffer[0]) << 0); } else { uint32_t result = 0; - for (unsigned i = first; i < first + num; i++) - { + for (unsigned i = first; i < first + num; i++) { if (((buffer[i / 8] >> (i % 8)) & 1) == 1) result |= 1 << (i - first); } @@ -107,7 +106,7 @@ bool buf_cmp_mask(const void *buf1, const void *buf2, * @param to The buffer that will receive the copy of @c from. * @param size The number of bits to copy. */ -void* buf_cpy(const void *from, void *to, unsigned size); +void *buf_cpy(const void *from, void *to, unsigned size); /** * Set the contents of @c buf with @c count bits, all set to 1. @@ -115,14 +114,14 @@ void* buf_cpy(const void *from, void *to, unsigned size); * @param size The number of bits. * @returns The original buffer (@c buf). */ -void* buf_set_ones(void *buf, unsigned size); +void *buf_set_ones(void *buf, unsigned size); -void* buf_set_buf(const void *src, unsigned src_start, - void *dst, unsigned dst_start, unsigned len); +void *buf_set_buf(const void *src, unsigned src_start, + void *dst, unsigned dst_start, unsigned len); int str_to_buf(const char *str, unsigned len, void *bin_buf, unsigned buf_size, unsigned radix); -char* buf_to_str(const void *buf, unsigned size, unsigned radix); +char *buf_to_str(const void *buf, unsigned size, unsigned radix); /* read a uint32_t from a buffer in target memory endianness */ static inline uint32_t fast_target_buffer_get_u32(const void *p, bool le) @@ -130,4 +129,4 @@ static inline uint32_t fast_target_buffer_get_u32(const void *p, bool le) return le ? le_to_h_u32(p) : be_to_h_u32(p); } -#endif /* BINARYBUFFER_H */ +#endif /* BINARYBUFFER_H */