X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fhelper%2Fbinarybuffer.h;h=60077b31ad2b30680465893cbeb26c3088a327f3;hp=47ae193e9f83e934567d26958a4d3c15d69fbbfe;hb=82fc2f9628e0f1dbd9010e0146ff63832e4a77a1;hpb=ee793f0fcbd2d7e4ad08e61d242ba178e8909b45 diff --git a/src/helper/binarybuffer.h b/src/helper/binarybuffer.h index 47ae193e9f..60077b31ad 100644 --- a/src/helper/binarybuffer.h +++ b/src/helper/binarybuffer.h @@ -2,6 +2,9 @@ * Copyright (C) 2004, 2005 by Dominic Rath * * Dominic.Rath@gmx.de * * * + * Copyright (C) 2007,2008 Øyvind Harboe * + * oyvind.harboe@zylin.com * + * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * @@ -22,77 +25,72 @@ #include "types.h" -/* support functions to access arbitrary bits in a byte array - * flip_u32 inverses the bit order inside a 32-bit word (31..0 -> 0..31) +/** @file + * Support functions to access arbitrary bits in a byte array */ /* inlining this will help show what fn that is taking time during profiling. */ -static __inline void buf_set_u32(u8* buffer, unsigned int first, unsigned int num, u32 value) +static inline void buf_set_u32(uint8_t* buffer, + unsigned int first, unsigned int num, uint32_t value) { - 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 - { + 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 { unsigned int i; - - for (i=first; i> (i-first))&1) == 1) - buffer[i/8] |= 1 << (i%8); + if (((value >> (i - first)) & 1) == 1) + buffer[i / 8] |= 1 << (i % 8); else - buffer[i/8] &= ~(1 << (i%8)); + buffer[i / 8] &= ~(1 << (i % 8)); } } } -static __inline u32 buf_get_u32(u8* buffer, unsigned int first, unsigned int num) +static inline uint32_t buf_get_u32(const uint8_t* buffer, + unsigned int first, unsigned int num) { - if ((num==32)&&(first==0)) - { - return (((u32)buffer[3])<<24)|(((u32)buffer[2])<<16)|(((u32)buffer[1])<<8)|(((u32)buffer[0])<<0); - } else - { - u32 result = 0; + 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); + } else { + uint32_t result = 0; unsigned int i; - - for (i=first; i>(i%8))&1) == 1) - result |= 1 << (i-first); + if (((buffer[i / 8] >> (i % 8)) & 1) == 1) + result |= 1 << (i - first); } - return result; } } -extern u32 flip_u32(u32 value, unsigned int num); - -extern int buf_cmp(u8 *buf1, u8 *buf2, int size); -extern int buf_cmp_mask(u8 *buf1, u8 *buf2, u8 *mask, int size); -extern u8* buf_cpy(u8 *from, u8 *to, int size); +/// flip_u32 inverts the bit order inside a 32-bit word (31..0 -> 0..31) +uint32_t flip_u32(uint32_t value, unsigned int num); -extern u8* buf_set_ones(u8 *buf, int count); -extern u8* buf_set_buf(u8 *src, int src_start, u8 *dst, int dst_start, int len); +int buf_cmp(const uint8_t *buf1, const uint8_t *buf2, int size); +int buf_cmp_mask(const uint8_t *buf1, const uint8_t *buf2, + const uint8_t *mask, int size); +uint8_t* buf_cpy(const uint8_t *from, uint8_t *to, int size); -extern int str_to_buf(char* str, int len, u8 *bin_buf, int buf_size, int radix); -extern char* buf_to_str(u8 *buf, int size, int radix); +uint8_t* buf_set_ones(uint8_t *buf, int count); +uint8_t* buf_set_buf(const uint8_t *src, int src_start, + uint8_t *dst, int dst_start, int len); -struct scan_field_s; -extern int buf_to_u32_handler(u8 *in_buf, void *priv, struct scan_field_s *field); +int str_to_buf(const char *str, int len, + uint8_t *bin_buf, int buf_size, int radix); +char* buf_to_str(const uint8_t *buf, int size, int radix); -#define CEIL(m, n) ((m + n - 1) / n) +#define CEIL(m, n) (((m) + (n) - 1) / (n)) -/* read a u32 from a buffer in target memory endianness */ -static __inline u32 fast_target_buffer_get_u32(u8 *buffer, int little) +/* read a uint32_t from a buffer in target memory endianness */ +static inline uint32_t fast_target_buffer_get_u32(const uint8_t *p, int le) { - if (little) - return le_to_h_u32(buffer); - else - return be_to_h_u32(buffer); + return le ? le_to_h_u32(p) : be_to_h_u32(p); } - #endif /* BINARYBUFFER_H */