arm_adi_v5: enhance command error reporting

avoid the usage of ERROR_COMMAND_SYNTAX_ERROR when
ERROR_COMMAND_ARGUMENT_INVALID is more adequate.

Change-Id: Ic9aaedb93fedd45efee1b39f8ea20185f01af2da
Signed-off-by: Tarek BOCHKATI <tarek.bouchkati@gmail.com>
Reviewed-on: http://openocd.zylin.com/5654
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>

diff --git a/src/target/arm_adi_v5.c b/src/target/arm_adi_v5.c
index 2d47da3ea6c24787ea8671e48e167c3c9076b51a..5f6f1ff38e7dfab893ce760c258167f0089fa0df 100644 (file)
--- a/src/target/arm_adi_v5.c
+++ b/src/target/arm_adi_v5.c
@@ -1610,8 +1610,10 @@ COMMAND_HANDLER(handle_dap_info_command)
                break;
        case 1:
                COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel);
-               if (apsel > DP_APSEL_MAX)
-                       return ERROR_COMMAND_SYNTAX_ERROR;
+               if (apsel > DP_APSEL_MAX) {
+                       command_print(CMD, "Invalid AP number");
+                       return ERROR_COMMAND_ARGUMENT_INVALID;
+               }
                break;
        default:
                return ERROR_COMMAND_SYNTAX_ERROR;
@@ -1633,8 +1635,10 @@ COMMAND_HANDLER(dap_baseaddr_command)
        case 1:
                COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel);
                /* AP address is in bits 31:24 of DP_SELECT */
-               if (apsel > DP_APSEL_MAX)
-                       return ERROR_COMMAND_SYNTAX_ERROR;
+               if (apsel > DP_APSEL_MAX) {
+                       command_print(CMD, "Invalid AP number");
+                       return ERROR_COMMAND_ARGUMENT_INVALID;
+               }
                break;
        default:
                return ERROR_COMMAND_SYNTAX_ERROR;
@@ -1692,8 +1696,10 @@ COMMAND_HANDLER(dap_apsel_command)
        case 1:
                COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel);
                /* AP address is in bits 31:24 of DP_SELECT */
-               if (apsel > DP_APSEL_MAX)
-                       return ERROR_COMMAND_SYNTAX_ERROR;
+               if (apsel > DP_APSEL_MAX) {
+                       command_print(CMD, "Invalid AP number");
+                       return ERROR_COMMAND_ARGUMENT_INVALID;
+               }
                break;
        default:
                return ERROR_COMMAND_SYNTAX_ERROR;
@@ -1722,7 +1728,7 @@ COMMAND_HANDLER(dap_apcsw_command)
 
                if (csw_val & (CSW_SIZE_MASK | CSW_ADDRINC_MASK)) {
                        LOG_ERROR("CSW value cannot include 'Size' and 'AddrInc' bit-fields");
-                       return ERROR_COMMAND_SYNTAX_ERROR;
+                       return ERROR_COMMAND_ARGUMENT_INVALID;
                }
                apcsw = csw_val;
                break;
@@ -1731,7 +1737,7 @@ COMMAND_HANDLER(dap_apcsw_command)
                COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], csw_mask);
                if (csw_mask & (CSW_SIZE_MASK | CSW_ADDRINC_MASK)) {
                        LOG_ERROR("CSW mask cannot include 'Size' and 'AddrInc' bit-fields");
-                       return ERROR_COMMAND_SYNTAX_ERROR;
+                       return ERROR_COMMAND_ARGUMENT_INVALID;
                }
                apcsw = (apcsw & ~csw_mask) | (csw_val & csw_mask);
                break;
@@ -1758,8 +1764,10 @@ COMMAND_HANDLER(dap_apid_command)
        case 1:
                COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel);
                /* AP address is in bits 31:24 of DP_SELECT */
-               if (apsel > DP_APSEL_MAX)
-                       return ERROR_COMMAND_SYNTAX_ERROR;
+               if (apsel > DP_APSEL_MAX) {
+                       command_print(CMD, "Invalid AP number");
+                       return ERROR_COMMAND_ARGUMENT_INVALID;
+               }
                break;
        default:
                return ERROR_COMMAND_SYNTAX_ERROR;
@@ -1789,13 +1797,18 @@ COMMAND_HANDLER(dap_apreg_command)
 
        COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel);
        /* AP address is in bits 31:24 of DP_SELECT */
-       if (apsel > DP_APSEL_MAX)
-               return ERROR_COMMAND_SYNTAX_ERROR;
+       if (apsel > DP_APSEL_MAX) {
+               command_print(CMD, "Invalid AP number");
+               return ERROR_COMMAND_ARGUMENT_INVALID;
+       }
+
        ap = dap_ap(dap, apsel);
 
        COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], reg);
-       if (reg >= 256 || (reg & 3))
-               return ERROR_COMMAND_SYNTAX_ERROR;
+       if (reg >= 256 || (reg & 3)) {
+               command_print(CMD, "Invalid reg value (should be less than 256 and 4 bytes aligned)");
+               return ERROR_COMMAND_ARGUMENT_INVALID;
+       }
 
        if (CMD_ARGC == 3) {
                COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], value);
@@ -1839,8 +1852,10 @@ COMMAND_HANDLER(dap_dpreg_command)
                return ERROR_COMMAND_SYNTAX_ERROR;
 
        COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], reg);
-       if (reg >= 256 || (reg & 3))
-               return ERROR_COMMAND_SYNTAX_ERROR;
+       if (reg >= 256 || (reg & 3)) {
+               command_print(CMD, "Invalid reg value (should be less than 256 and 4 bytes aligned)");
+               return ERROR_COMMAND_ARGUMENT_INVALID;
+       }
 
        if (CMD_ARGC == 2) {
                COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], value);
@@ -1871,7 +1886,7 @@ COMMAND_HANDLER(dap_ti_be_32_quirks_command)
        case 1:
                COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], enable);
                if (enable > 1)
-                       return ERROR_COMMAND_SYNTAX_ERROR;
+                       return ERROR_COMMAND_ARGUMENT_INVALID;
                break;
        default:
                return ERROR_COMMAND_SYNTAX_ERROR;