X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;ds=sidebyside;f=src%2Fhelper%2Fbinarybuffer.h;h=49ea6b32be0092e0f485dc214e7dfb44e7739d5e;hb=c18947b947064e7eceed8047c42d4c8dfd8ae964;hp=6f39e7cf45d1efd3a39780e9d9d2d531be9aa5df;hpb=a582e9a8d183c56d1aa8ae18afc1c11e2cbd6d2d;p=openocd.git diff --git a/src/helper/binarybuffer.h b/src/helper/binarybuffer.h index 6f39e7cf45..49ea6b32be 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 * @@ -26,23 +29,72 @@ * flip_u32 inverses the bit order inside a 32-bit word (31..0 -> 0..31) */ -extern int buf_set_u32(u8* buffer, unsigned int first, unsigned int num, u32 value); -extern u32 buf_get_u32(u8* buffer, unsigned int first, unsigned int num); +/* inlining this will help show what fn that is taking time during profiling. */ +static inline void buf_set_u32(uint8_t* buffer, unsigned int first, unsigned int num, u32 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 + { + unsigned int i; + + for (i=first; i> (i-first))&1) == 1) + buffer[i/8] |= 1 << (i%8); + else + buffer[i/8] &= ~(1 << (i%8)); + } + } +} +static inline u32 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; + unsigned int i; + + for (i=first; i>(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); +extern int buf_cmp(const uint8_t *buf1, const uint8_t *buf2, int size); +extern int buf_cmp_mask(const uint8_t *buf1, const uint8_t *buf2, const uint8_t *mask, int size); +extern uint8_t* buf_cpy(const uint8_t *from, uint8_t *to, int size); -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); +extern uint8_t* buf_set_ones(uint8_t *buf, int count); +extern uint8_t* buf_set_buf(const uint8_t *src, int src_start, uint8_t *dst, int dst_start, int len); -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); +extern int str_to_buf(const char *str, int len, uint8_t *bin_buf, int buf_size, int radix); +extern char* buf_to_str(const uint8_t *buf, int size, int radix); -extern int buf_to_u32_handler(u8 *in_buf, void *priv); +struct scan_field_s; +extern int buf_to_u32_handler(uint8_t *in_buf, void *priv, struct scan_field_s *field); #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(const uint8_t *buffer, int little) +{ + if (little) + return le_to_h_u32(buffer); + else + return be_to_h_u32(buffer); +} + #endif /* BINARYBUFFER_H */