target algo: do not write reg_param if direction is PARAM_IN

[openocd.git] / src / target / armv4_5.c

diff --git a/src/target/armv4_5.c b/src/target/armv4_5.c
index af8fd9a7f2127a410c29084de7e4e883c257beff..6c30acc46605fa9287dee0c8dd1546a04f8c8d23 100644 (file)
--- a/src/target/armv4_5.c
+++ b/src/target/armv4_5.c
@@ -1134,6 +1134,7 @@ static const struct command_registration arm_exec_command_handlers[] = {
        },
        {
                .name = "mrc",
+               .mode = COMMAND_EXEC,
                .jim_handler = &jim_mcrmrc,
                .help = "read coprocessor register",
                .usage = "cpnum op1 CRn CRm op2",
@@ -1361,6 +1362,9 @@ int armv4_5_run_algorithm_inner(struct target *target,
        }
 
        for (i = 0; i < num_reg_params; i++) {
+               if (reg_params[i].direction == PARAM_IN)
+                       continue;
+
                struct reg *reg = register_get_by_name(arm->core_cache, reg_params[i].reg_name, 0);
                if (!reg) {
                        LOG_ERROR("BUG: register '%s' not found", reg_params[i].reg_name);