src: add loader src description

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

diff --git a/src/target/armv4_5.c b/src/target/armv4_5.c
index d950af366403af53316e86f9cec2daf1a799288d..ac7f6236ed5824ca578783349bf2b021efc88625 100644 (file)
--- a/src/target/armv4_5.c
+++ b/src/target/armv4_5.c
@@ -634,7 +634,10 @@ COMMAND_HANDLER(handle_armv4_5_reg_command)
        }
 
        if (!is_arm_mode(armv4_5->core_mode))
+       {
+               LOG_ERROR("not a valid arm core mode - communication failure?");
                return ERROR_FAIL;
+       }
 
        if (!armv4_5->full_context) {
                command_print(CMD_CTX, "error: target doesn't support %s",
@@ -1046,7 +1049,10 @@ int arm_get_gdb_reg_list(struct target *target,
        int i;
 
        if (!is_arm_mode(armv4_5->core_mode))
+       {
+               LOG_ERROR("not a valid arm core mode - communication failure?");
                return ERROR_FAIL;
+       }
 
        *reg_list_size = 26;
        *reg_list = malloc(sizeof(struct reg*) * (*reg_list_size));
@@ -1127,7 +1133,10 @@ int armv4_5_run_algorithm_inner(struct target *target,
        }
 
        if (!is_arm_mode(armv4_5->core_mode))
+       {
+               LOG_ERROR("not a valid arm core mode - communication failure?");
                return ERROR_FAIL;
+       }
 
        /* armv5 and later can terminate with BKPT instruction; less overhead */
        if (!exit_point && armv4_5->is_armv4)
@@ -1298,6 +1307,8 @@ int arm_checksum_memory(struct target *target,
        uint32_t i;
        uint32_t exit_var = 0;
 
+       /* see contib/loaders/checksum/armv4_5_crc.s for src */
+
        static const uint32_t arm_crc_code[] = {
                0xE1A02000,             /* mov          r2, r0 */
                0xE3E00000,             /* mov          r0, #0xffffffff */