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| author | oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2009-09-10 13:17:05 +0000 |
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| committer | oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2009-09-10 13:17:05 +0000 |
| commit | 3bade442b1f8c41895fba6428a850b20b7dd75c1 (patch) | |
| tree | 858e8f2f1f8f31025e527f86d76f4a74e8d24dcf /src | |
| parent | b4acbee47fcb29afc9958b4a9e74b9916a415dec (diff) | |
| download | openocd_libswd-3bade442b1f8c41895fba6428a850b20b7dd75c1.tar.gz openocd_libswd-3bade442b1f8c41895fba6428a850b20b7dd75c1.tar.bz2 openocd_libswd-3bade442b1f8c41895fba6428a850b20b7dd75c1.tar.xz openocd_libswd-3bade442b1f8c41895fba6428a850b20b7dd75c1.zip | |
Alexei Babich <a.babich@rez.ru> fix problems with unecessary tailend byte accesses. Use 16 bit access on tailend of a memory read if possible.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2684 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Diffstat (limited to 'src')
| -rw-r--r-- | src/target/target.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/target/target.c b/src/target/target.c index b6ea6555..56e124f7 100644 --- a/src/target/target.c +++ b/src/target/target.c @@ -1239,7 +1239,19 @@ int target_read_buffer(struct target_s *target, uint32_t address, uint32_t size, address += aligned; size -= aligned; } + + /*prevent byte access when possible (avoid AHB access limitations in some cases)*/ + if(size >=2) + { + int aligned = size - (size%2); + retval = target_read_memory(target, address, 2, aligned / 2, buffer); + if (retval != ERROR_OK) + return retval; + buffer += aligned; + address += aligned; + size -= aligned; + } /* handle tail writes of less than 4 bytes */ if (size > 0) { |