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authorFranck Jullien <franck.jullien@gmail.com>2013-08-08 23:45:47 +0200
committerSpencer Oliver <spen@spen-soft.co.uk>2013-09-26 09:52:56 +0000
commit4e79b48e2c7e535ef21178a69788c15b571c72ff (patch)
treea3f340d856d4272e3545158ecdc3b32c9a910c73 /src/helper/binarybuffer.c
parentd19fafc8bdb30974e70bfc5a6ce63e7578b6e3b2 (diff)
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Add new target type: OpenRISC
Add support for OpenRISC target. This implementation supports the adv_debug_sys debug unit core. The mohor dbg_if is not supported. Support for mohor TAP core and Altera Virtual JTAG core are also provided. Change-Id: I3b1cfab1bbb28e497c4fca6ed1bd3a4362609b72 Signed-off-by: Franck Jullien <franck.jullien@gmail.com> Reviewed-on: http://openocd.zylin.com/1547 Tested-by: jenkins Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Diffstat (limited to 'src/helper/binarybuffer.c')
-rw-r--r--src/helper/binarybuffer.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/helper/binarybuffer.c b/src/helper/binarybuffer.c
index 5defcda..6fe3664 100644
--- a/src/helper/binarybuffer.c
+++ b/src/helper/binarybuffer.c
@@ -397,3 +397,24 @@ int hexify(char *hex, const char *bin, int count, int out_maxlen)
return cmd_len;
}
+
+void buffer_shr(void *_buf, unsigned buf_len, unsigned count)
+{
+ unsigned i;
+ unsigned char *buf = _buf;
+ unsigned bytes_to_remove;
+ unsigned shift;
+
+ bytes_to_remove = count / 8;
+ shift = count - (bytes_to_remove * 8);
+
+ for (i = 0; i < (buf_len - 1); i++)
+ buf[i] = (buf[i] >> shift) | ((buf[i+1] << (8 - shift)) & 0xff);
+
+ buf[(buf_len - 1)] = buf[(buf_len - 1)] >> shift;
+
+ if (bytes_to_remove) {
+ memmove(buf, &buf[bytes_to_remove], buf_len - bytes_to_remove);
+ memset(&buf[buf_len - bytes_to_remove], 0, bytes_to_remove);
+ }
+}