]> git.sur5r.net Git - openocd/blobdiff - src/target/embeddedice.c
arm_cti: add cti command group
[openocd] / src / target / embeddedice.c
index 5502ad8a8a58590ef184e6d79df3e4efa5682aa1..7232ef1e4685ab9b0e07d143576e9d397208f27e 100644 (file)
  *   GNU General Public License for more details.                          *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  ***************************************************************************/
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #include "embeddedice.h"
 #include "register.h"
+#include <helper/time_support.h>
 
 /**
  * @file
@@ -53,9 +53,9 @@ static int embeddedice_set_reg_w_exec(struct reg *reg, uint8_t *buf);
  * From:  ARM9E-S TRM, DDI 0165, table C-4 (and similar, for other cores)
  */
 static const struct {
-       char            *name;
-       unsigned short  addr;
-       unsigned short  width;
+       const char     *name;
+       unsigned short addr;
+       unsigned short width;
 } eice_regs[] = {
        [EICE_DBG_CTRL] = {
                .name =         "debug_ctrl",
@@ -87,7 +87,7 @@ 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 +145,16 @@ 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 +170,8 @@ 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 +202,7 @@ 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 +216,10 @@ 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 +229,7 @@ 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 +288,7 @@ 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 +316,12 @@ 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 +348,8 @@ 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->tap,
+                       ice_reg->jtag_info->intest_instr, NULL, TAP_IDLE);
        if (retval != ERROR_OK)
                return retval;
 
@@ -415,7 +414,7 @@ int embeddedice_receive(struct arm_jtag *jtag_info, uint32_t *data, uint32_t siz
        retval = arm_jtag_scann(jtag_info, 0x2, TAP_IDLE);
        if (retval != ERROR_OK)
                return retval;
-       retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
+       retval = arm_jtag_set_instr(jtag_info->tap, jtag_info->intest_instr, NULL, TAP_IDLE);
        if (retval != ERROR_OK)
                return retval;
 
@@ -435,8 +434,7 @@ 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 +484,8 @@ 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 +496,12 @@ 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->tap, 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);
@@ -537,7 +535,7 @@ int embeddedice_send(struct arm_jtag *jtag_info, uint32_t *data, uint32_t size)
        retval = arm_jtag_scann(jtag_info, 0x2, TAP_IDLE);
        if (retval != ERROR_OK)
                return retval;
-       retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
+       retval = arm_jtag_set_instr(jtag_info->tap, jtag_info->intest_instr, NULL, TAP_IDLE);
        if (retval != ERROR_OK)
                return retval;
 
@@ -556,8 +554,7 @@ 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);
 
@@ -580,23 +577,22 @@ int embeddedice_handshake(struct arm_jtag *jtag_info, int hsbit, uint32_t timeou
        uint8_t field2_out[1];
        int retval;
        uint32_t hsact;
-       struct timeval lap;
        struct timeval now;
+       struct timeval timeout_end;
 
        if (hsbit == EICE_COMM_CTRL_WBIT)
                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);
        if (retval != ERROR_OK)
                return retval;
-       retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
+       retval = arm_jtag_set_instr(jtag_info->tap, jtag_info->intest_instr, NULL, TAP_IDLE);
        if (retval != ERROR_OK)
                return retval;
 
@@ -615,18 +611,19 @@ int embeddedice_handshake(struct arm_jtag *jtag_info, int hsbit, uint32_t timeou
        fields[2].in_value = NULL;
 
        jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
-       gettimeofday(&lap, NULL);
+       gettimeofday(&timeout_end, NULL);
+       timeval_add_time(&timeout_end, 0, timeout * 1000);
        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)
                        return ERROR_OK;
 
                gettimeofday(&now, NULL);
-       } while ((uint32_t)((now.tv_sec - lap.tv_sec) * 1000
-                       + (now.tv_usec - lap.tv_usec) / 1000) <= timeout);
+       } while (timeval_compare(&now, &timeout_end) <= 0);
 
        LOG_ERROR("embeddedice handshake timeout");
        return ERROR_TARGET_TIMEOUT;
@@ -637,12 +634,11 @@ int embeddedice_handshake(struct arm_jtag *jtag_info, int hsbit, uint32_t timeou
  * This is an inner loop of the open loop DCC write of data to target
  */
 void embeddedice_write_dcc(struct jtag_tap *tap,
-               int reg_addr, uint8_t *buffer, int little, int count)
+               int reg_addr, const uint8_t *buffer, int little, int count)
 {
        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;