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 96a63e497adeb1256fd034555b09a9cdb6c2b967..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",
@@ -1179,6 +1180,20 @@ const struct command_registration arm_command_handlers[] = {
        COMMAND_REGISTRATION_DONE
 };
 
+/*
+ * gdb for arm targets (e.g. arm-none-eabi-gdb) supports several variants
+ * of arm architecture. You can list them using the autocompletion of gdb
+ * command prompt by typing "set architecture " and then press TAB key.
+ * The default, selected automatically, is "arm".
+ * Let's use the default value, here, to make gdb-multiarch behave in the
+ * same way as a gdb for arm. This can be changed later on. User can still
+ * set the specific architecture variant with the gdb command.
+ */
+const char *arm_get_gdb_arch(struct target *target)
+{
+       return "arm";
+}
+
 int arm_get_gdb_reg_list(struct target *target,
        struct reg **reg_list[], int *reg_list_size,
        enum target_register_class reg_class)
@@ -1347,6 +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);