+ int err = ERROR_OK;
+ struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
+
+ bool wasRunning = false;
+ /* Only set breakpoint when halted */
+ if (target->state != TARGET_HALTED) {
+ dsp563xx_halt(target);
+ wasRunning = true;
+ }
+
+ if (dsp563xx->hardware_breakpoint[0].used) {
+ LOG_ERROR("Cannot add watchpoint. Hardware resource already used.");
+ err = ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+ }
+
+ uint32_t obcr_value = 0;
+ if (err == ERROR_OK) {
+ obcr_value |= OBCR_b0_or_b1;
+ switch (memType) {
+ case MEM_X:
+ obcr_value |= OBCR_BP_MEM_X;
+ break;
+ case MEM_Y:
+ obcr_value |= OBCR_BP_MEM_Y;
+ break;
+ case MEM_P:
+ obcr_value |= OBCR_BP_MEM_P;
+ break;
+ default:
+ LOG_ERROR("Unknown memType parameter (%" PRIu32 ")", memType);
+ err = ERROR_TARGET_INVALID;
+ }
+ }
+
+ if (err == ERROR_OK) {
+ switch (rw) {
+ case WPT_READ:
+ obcr_value |= OBCR_BP_0(OBCR_BP_ON_READ);
+ break;
+ case WPT_WRITE:
+ obcr_value |= OBCR_BP_0(OBCR_BP_ON_WRITE);
+ break;
+ case WPT_ACCESS:
+ obcr_value |= OBCR_BP_0(OBCR_BP_ON_READ|OBCR_BP_ON_WRITE);
+ break;
+ default:
+ LOG_ERROR("Unsupported write mode (%d)", rw);
+ err = ERROR_TARGET_INVALID;
+ }
+ }
+
+ if (err == ERROR_OK) {
+ switch (cond) {
+ case EQUAL:
+ obcr_value |= OBCR_BP_0(OBCR_BP_CC_EQUAL);
+ break;
+ case NOT_EQUAL:
+ obcr_value |= OBCR_BP_0(OBCR_BP_CC_NOT_EQUAL);
+ break;
+ case LESS_THAN:
+ obcr_value |= OBCR_BP_0(OBCR_BP_CC_LESS_THAN);
+ break;
+ case GREATER:
+ obcr_value |= OBCR_BP_0(OBCR_BP_CC_GREATER_THAN);
+ break;
+ default:
+ LOG_ERROR("Unsupported condition code (%d)", cond);
+ err = ERROR_TARGET_INVALID;
+ }
+ }
+
+ if (err == ERROR_OK)
+ err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OMLR0, address);
+
+ if (err == ERROR_OK)
+ err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OMLR1, 0x0);
+
+ if (err == ERROR_OK)
+ err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OBCR, obcr_value);
+
+ if (err == ERROR_OK) {
+ /* You should write the memory breakpoint counter to 0 */
+ err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OMBC, 0);
+ }
+
+ if (err == ERROR_OK) {
+ /* You should write the memory breakpoint counter to 0 */
+ err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OTC, 0);
+ }
+
+ if (err == ERROR_OK)
+ dsp563xx->hardware_breakpoint[0].used = BPU_WATCHPOINT;
+
+ if (err == ERROR_OK && wasRunning) {
+ /* Resume from current PC */
+ err = dsp563xx_resume(target, 1, 0x0, 0, 0);
+ }
+
+ return err;