ioutil: make the file compile on MacOS
[fw/openocd] / src / target / embeddedice.c
index b171dcf72f60c18217d3b61a716adc6742f6370c..a7956950823835bc7afce9b9a1bf477706ed661a 100644 (file)
@@ -23,6 +23,7 @@
  *   Free Software Foundation, Inc.,                                       *
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
@@ -87,7 +88,7 @@ static const struct {
                .addr =         9,
                .width =        32,
        },
-       [EICE_W0_DATA_VALUE ] = {
+       [EICE_W0_DATA_VALUE] = {
                .name =         "watch_0_data_value",
                .addr =         10,
                .width =        32,
@@ -145,14 +146,16 @@ static const struct {
        },
 };
 
-
 static int embeddedice_get_reg(struct reg *reg)
 {
-       int retval;
-
-       if ((retval = embeddedice_read_reg(reg)) != ERROR_OK)
+       int retval = embeddedice_read_reg(reg);
+       if (retval != ERROR_OK) {
                LOG_ERROR("error queueing EmbeddedICE register read");
-       else if ((retval = jtag_execute_queue()) != ERROR_OK)
+               return retval;
+       }
+
+       retval = jtag_execute_queue();
+       if (retval != ERROR_OK)
                LOG_ERROR("EmbeddedICE register read failed");
 
        return retval;
@@ -168,8 +171,8 @@ static const struct reg_arch_type eice_reg_type = {
  * Different versions of the modules have different capabilities, such as
  * hardware support for vector_catch, single stepping, and monitor mode.
  */
-struct reg_cache *
-embeddedice_build_reg_cache(struct target *target, struct arm7_9_common *arm7_9)
+struct reg_cache *embeddedice_build_reg_cache(struct target *target,
+               struct arm7_9_common *arm7_9)
 {
        int retval;
        struct reg_cache *reg_cache = malloc(sizeof(struct reg_cache));
@@ -200,8 +203,7 @@ embeddedice_build_reg_cache(struct target *target, struct arm7_9_common *arm7_9)
         */
 
        /* set up registers */
-       for (i = 0; i < num_regs; i++)
-       {
+       for (i = 0; i < num_regs; i++) {
                reg_list[i].name = eice_regs[i].name;
                reg_list[i].size = eice_regs[i].width;
                reg_list[i].dirty = 0;
@@ -215,12 +217,10 @@ embeddedice_build_reg_cache(struct target *target, struct arm7_9_common *arm7_9)
 
        /* identify EmbeddedICE version by reading DCC control register */
        embeddedice_read_reg(&reg_list[EICE_COMMS_CTRL]);
-       if ((retval = jtag_execute_queue()) != ERROR_OK)
-       {
+       retval = jtag_execute_queue();
+       if (retval != ERROR_OK) {
                for (i = 0; i < num_regs; i++)
-               {
                        free(reg_list[i].value);
-               }
                free(reg_list);
                free(reg_cache);
                free(arch_info);
@@ -230,8 +230,7 @@ embeddedice_build_reg_cache(struct target *target, struct arm7_9_common *arm7_9)
        eice_version = buf_get_u32(reg_list[EICE_COMMS_CTRL].value, 28, 4);
        LOG_INFO("Embedded ICE version %d", eice_version);
 
-       switch (eice_version)
-       {
+       switch (eice_version) {
                case 1:
                        /* ARM7TDMI r3, ARM7TDMI-S r3
                         *
@@ -290,7 +289,7 @@ embeddedice_build_reg_cache(struct target *target, struct arm7_9_common *arm7_9)
                         * and do the appropriate setup itself.
                         */
                        if (strcmp(target_type_name(target), "feroceon") == 0 ||
-                           strcmp(target_type_name(target), "dragonite") == 0)
+                                       strcmp(target_type_name(target), "dragonite") == 0)
                                break;
                        LOG_ERROR("unknown EmbeddedICE version "
                                "(comms ctrl: 0x%8.8" PRIx32 ")",
@@ -318,12 +317,12 @@ int embeddedice_setup(struct target *target)
         * that manages break requests.  ARM's "Angel Debug Monitor" is one
         * common example of such code.
         */
-       if (arm7_9->has_monitor_mode)
-       {
+       if (arm7_9->has_monitor_mode) {
                struct reg *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL];
 
                embeddedice_read_reg(dbg_ctrl);
-               if ((retval = jtag_execute_queue()) != ERROR_OK)
+               retval = jtag_execute_queue();
+               if (retval != ERROR_OK)
                        return retval;
                buf_set_u32(dbg_ctrl->value, 4, 1, 0);
                embeddedice_set_reg_w_exec(dbg_ctrl, dbg_ctrl->value);
@@ -350,7 +349,8 @@ int embeddedice_read_reg_w_check(struct reg *reg,
        if (retval != ERROR_OK)
                return retval;
 
-       retval = arm_jtag_set_instr(ice_reg->jtag_info, ice_reg->jtag_info->intest_instr, NULL, TAP_IDLE);
+       retval = arm_jtag_set_instr(ice_reg->jtag_info,
+                       ice_reg->jtag_info->intest_instr, NULL, TAP_IDLE);
        if (retval != ERROR_OK)
                return retval;
 
@@ -435,8 +435,7 @@ int embeddedice_receive(struct arm_jtag *jtag_info, uint32_t *data, uint32_t siz
 
        jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
 
-       while (size > 0)
-       {
+       while (size > 0) {
                /* when reading the last item, set the register address to the DCC control reg,
                 * to avoid reading additional data from the DCC data reg
                 */
@@ -486,7 +485,8 @@ static int embeddedice_set_reg_w_exec(struct reg *reg, uint8_t *buf)
        int retval;
 
        embeddedice_set_reg(reg, buf_get_u32(buf, 0, reg->size));
-       if ((retval = jtag_execute_queue()) != ERROR_OK)
+       retval = jtag_execute_queue();
+       if (retval != ERROR_OK)
                LOG_ERROR("register write failed");
        return retval;
 }
@@ -497,13 +497,12 @@ static int embeddedice_set_reg_w_exec(struct reg *reg, uint8_t *buf)
 void embeddedice_write_reg(struct reg *reg, uint32_t value)
 {
        struct embeddedice_reg *ice_reg = reg->arch_info;
-       int retval;
 
        LOG_DEBUG("%i: 0x%8.8" PRIx32 "", ice_reg->addr, value);
 
-       retval = arm_jtag_scann(ice_reg->jtag_info, 0x2, TAP_IDLE);
+       arm_jtag_scann(ice_reg->jtag_info, 0x2, TAP_IDLE);
 
-       retval = arm_jtag_set_instr(ice_reg->jtag_info, ice_reg->jtag_info->intest_instr, NULL, TAP_IDLE);
+       arm_jtag_set_instr(ice_reg->jtag_info, ice_reg->jtag_info->intest_instr, NULL, TAP_IDLE);
 
        uint8_t reg_addr = ice_reg->addr & 0x1f;
        embeddedice_write_reg_inner(ice_reg->jtag_info->tap, reg_addr, value);
@@ -556,8 +555,7 @@ int embeddedice_send(struct arm_jtag *jtag_info, uint32_t *data, uint32_t size)
 
        fields[2].in_value = NULL;
 
-       while (size > 0)
-       {
+       while (size > 0) {
                buf_set_u32(field0_out, 0, 32, *data);
                jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
 
@@ -587,10 +585,9 @@ int embeddedice_handshake(struct arm_jtag *jtag_info, int hsbit, uint32_t timeou
                hsact = 1;
        else if (hsbit == EICE_COMM_CTRL_RBIT)
                hsact = 0;
-       else
-       {
+       else {
                LOG_ERROR("Invalid arguments");
-               return ERROR_INVALID_ARGUMENTS;
+               return ERROR_COMMAND_SYNTAX_ERROR;
        }
 
        retval = arm_jtag_scann(jtag_info, 0x2, TAP_IDLE);
@@ -618,7 +615,8 @@ int embeddedice_handshake(struct arm_jtag *jtag_info, int hsbit, uint32_t timeou
        gettimeofday(&lap, NULL);
        do {
                jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
-               if ((retval = jtag_execute_queue()) != ERROR_OK)
+               retval = jtag_execute_queue();
+               if (retval != ERROR_OK)
                        return retval;
 
                if (buf_get_u32(field0_in, hsbit, 1) == hsact)
@@ -641,8 +639,7 @@ void embeddedice_write_dcc(struct jtag_tap *tap,
 {
        int i;
 
-       for (i = 0; i < count; i++)
-       {
+       for (i = 0; i < count; i++) {
                embeddedice_write_reg_inner(tap, reg_addr,
                                fast_target_buffer_get_u32(buffer, little));
                buffer += 4;