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authorTomas Vanek <vanekt@fbl.cz>2018-12-18 17:17:33 +0100
committerMatthias Welwarsky <matthias@welwarsky.de>2019-02-07 07:51:50 +0000
commit7a3eec2b4d9dbb9533acfb271dbe91afa0727c8e (patch)
tree8b8d19f57f6f12dec1c1c0b728f04f1c6309bbbf /src/target/armv7m.c
parent0d48104e03320112db1e8825d0700ea8be735cef (diff)
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target algo: do not write reg_param if direction is PARAM_IN
Without this change xxx_start_algorithm() writes all register parameters no matter of their direction. It usually results in writing of uninitialized reg_params[].value - possibly reported by valgrind. While on it fix the wrong parameter direction in kinetis_disable_wdog_algo(). This bug did not have any impact because of unconditional write of reg_params. Change-Id: Ia9c6a7b37f77d5eb6e5f5463012dddd50471742b Signed-off-by: Tomas Vanek <vanekt@fbl.cz> Reviewed-on: http://openocd.zylin.com/4813 Tested-by: jenkins Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com> Reviewed-by: Matthias Welwarsky <matthias@welwarsky.de>
Diffstat (limited to 'src/target/armv7m.c')
-rw-r--r--src/target/armv7m.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/target/armv7m.c b/src/target/armv7m.c
index a1962fe..ecca0e7 100644
--- a/src/target/armv7m.c
+++ b/src/target/armv7m.c
@@ -388,6 +388,9 @@ int armv7m_start_algorithm(struct target *target,
}
for (int i = 0; i < num_reg_params; i++) {
+ if (reg_params[i].direction == PARAM_IN)
+ continue;
+
struct reg *reg =
register_get_by_name(armv7m->arm.core_cache, reg_params[i].reg_name, 0);
/* uint32_t regvalue; */