X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Fhelper%2Fbinarybuffer.h;h=6d66c18938aff67132a9673d5a0c44f5dbcd1f27;hb=8b994145b849c40b0a195c3fb332b9770b2f9097;hp=34a167d4402049bb64244cca9538562374d32764;hpb=367b968809f35619e813b9352ce144b341220e22;p=openocd diff --git a/src/helper/binarybuffer.h b/src/helper/binarybuffer.h index 34a167d4..6d66c189 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 * @@ -26,28 +29,67 @@ * 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, 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 + { + unsigned int i; -extern u32 flip_u32(u32 value, unsigned int num); + for (i = first; i < first + num; i++) + { + if (((value >> (i-first))&1) == 1) + buffer[i/8] |= 1 << (i%8); + else + buffer[i/8] &= ~(1 << (i%8)); + } + } +} +static inline uint32_t buf_get_u32(const uint8_t* buffer, unsigned int first, unsigned int num) +{ + 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; -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); + for (i = first; i < first + num; i++) + { + if (((buffer[i/8]>>(i%8))&1) == 1) + result |= 1 << (i-first); + } -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); + return result; + } +} -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 uint32_t flip_u32(uint32_t value, unsigned int num); + +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 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(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); struct scan_field_s; -extern int buf_to_u32_handler(u8 *in_buf, void *priv, struct scan_field_s *field); +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(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 *buffer, int little) { if (little) return le_to_h_u32(buffer); @@ -55,5 +97,4 @@ static __inline u32 fast_target_buffer_get_u32(u8 *buffer, int little) return be_to_h_u32(buffer); } - #endif /* BINARYBUFFER_H */