X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fhelper%2Fbinarybuffer.h;h=49050074fb226cd6e82315152a9363b9362a64b9;hp=0a688945002a39f9509be5d186a38fa8454c7c94;hb=d50caa97d17187ed96746cc1527e5dbf57d4a81a;hpb=8b4e882a1630d63bbc9840fa3f968e36b6ac3702

diff --git a/src/helper/binarybuffer.h b/src/helper/binarybuffer.h
index 0a68894500..49050074fb 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     *
@@ -22,27 +25,70 @@
 
 #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
  */
 
-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 {
+		for (unsigned 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;
+		for (unsigned i = first; i < first + num; i++)
+		{
+			if (((buffer[i / 8] >> (i % 8)) & 1) == 1)
+				result |= 1 << (i - first);
+		}
+		return result;
+	}
+}
 
-extern u32 flip_u32(u32 value, unsigned int num);
+/// 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 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);
+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 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);
+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);
 
-extern char* buf_to_char(u8 *buf, int size);
-extern int char_to_buf(char *buf, int len, u8 *bin_buf, int buf_size);
+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);
 
-extern int buf_to_u32_handler(u8 *in_buf, void *priv);
+#define CEIL(m, n)	(((m) + (n) - 1) / (n))
 
-#define CEIL(m, n)	((m + n - 1) / n)
+/* 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)
+{
+	return le ? le_to_h_u32(p) : be_to_h_u32(p);
+}
 
 #endif /* BINARYBUFFER_H */