mips_m4k.c: EJTAGBOOT and NORMALBOOT are not supported on EJTAG 2.0
[openocd.git] / src / target / mips_m4k.c
index 49edad184a1d32e01b3bfdcc4be727805f5423ef..5b740cc45242b614800d4e66a11fc4cc73467cb8 100644 (file)
@@ -57,33 +57,37 @@ static int mips_m4k_examine_debug_reason(struct target *target)
        int retval;
 
        if ((target->debug_reason != DBG_REASON_DBGRQ)
-               && (target->debug_reason != DBG_REASON_SINGLESTEP)) {
-               /* get info about inst breakpoint support */
-               retval = target_read_u32(target,
-                       ejtag_info->ejtag_ibs_addr, &break_status);
-               if (retval != ERROR_OK)
-                       return retval;
-               if (break_status & 0x1f) {
-                       /* we have halted on a  breakpoint */
-                       retval = target_write_u32(target,
-                               ejtag_info->ejtag_ibs_addr, 0);
+                       && (target->debug_reason != DBG_REASON_SINGLESTEP)) {
+               if (ejtag_info->debug_caps & EJTAG_DCR_IB) {
+                       /* get info about inst breakpoint support */
+                       retval = target_read_u32(target,
+                               ejtag_info->ejtag_ibs_addr, &break_status);
                        if (retval != ERROR_OK)
                                return retval;
-                       target->debug_reason = DBG_REASON_BREAKPOINT;
+                       if (break_status & 0x1f) {
+                               /* we have halted on a  breakpoint */
+                               retval = target_write_u32(target,
+                                       ejtag_info->ejtag_ibs_addr, 0);
+                               if (retval != ERROR_OK)
+                                       return retval;
+                               target->debug_reason = DBG_REASON_BREAKPOINT;
+                       }
                }
 
-               /* get info about data breakpoint support */
-               retval = target_read_u32(target,
-                       ejtag_info->ejtag_dbs_addr, &break_status);
-               if (retval != ERROR_OK)
-                       return retval;
-               if (break_status & 0x1f) {
-                       /* we have halted on a  breakpoint */
-                       retval = target_write_u32(target,
-                               ejtag_info->ejtag_dbs_addr, 0);
+               if (ejtag_info->debug_caps & EJTAG_DCR_DB) {
+                       /* get info about data breakpoint support */
+                       retval = target_read_u32(target,
+                               ejtag_info->ejtag_dbs_addr, &break_status);
                        if (retval != ERROR_OK)
                                return retval;
-                       target->debug_reason = DBG_REASON_WATCHPOINT;
+                       if (break_status & 0x1f) {
+                               /* we have halted on a  breakpoint */
+                               retval = target_write_u32(target,
+                                       ejtag_info->ejtag_dbs_addr, 0);
+                               if (retval != ERROR_OK)
+                                       return retval;
+                               target->debug_reason = DBG_REASON_WATCHPOINT;
+                       }
                }
        }
 
@@ -147,7 +151,7 @@ static int mips_m4k_halt_smp(struct target *target)
                        ret = mips_m4k_halt(curr);
 
                if (ret != ERROR_OK) {
-                       LOG_ERROR("halt failed target->coreid: %d", curr->coreid);
+                       LOG_ERROR("halt failed target->coreid: %" PRId32, curr->coreid);
                        retval = ret;
                }
                head = head->next;
@@ -314,11 +318,15 @@ static int mips_m4k_assert_reset(struct target *target)
                srst_asserted = true;
        }
 
-       if (target->reset_halt) {
-               /* use hardware to catch reset */
-               mips_ejtag_set_instr(ejtag_info, EJTAG_INST_EJTAGBOOT);
-       } else
-               mips_ejtag_set_instr(ejtag_info, EJTAG_INST_NORMALBOOT);
+
+       /* EJTAG before v2.5/2.6 does not support EJTAGBOOT or NORMALBOOT */
+       if (ejtag_info->ejtag_version != EJTAG_VERSION_20) {
+               if (target->reset_halt) {
+                       /* use hardware to catch reset */
+                       mips_ejtag_set_instr(ejtag_info, EJTAG_INST_EJTAGBOOT);
+               } else
+                       mips_ejtag_set_instr(ejtag_info, EJTAG_INST_NORMALBOOT);
+       }
 
        if (jtag_reset_config & RESET_HAS_SRST) {
                /* here we should issue a srst only, but we may have to assert trst as well */
@@ -370,12 +378,6 @@ static int mips_m4k_deassert_reset(struct target *target)
        return ERROR_OK;
 }
 
-static int mips_m4k_soft_reset_halt(struct target *target)
-{
-       /* TODO */
-       return ERROR_OK;
-}
-
 static int mips_m4k_single_step_core(struct target *target)
 {
        struct mips32_common *mips32 = target_to_mips32(target);
@@ -411,7 +413,7 @@ static int mips_m4k_restore_smp(struct target *target, uint32_t address, int han
                                                   handle_breakpoints, 0);
 
                        if (ret != ERROR_OK) {
-                               LOG_ERROR("target->coreid :%d failed to resume at address :0x%x",
+                               LOG_ERROR("target->coreid :%" PRId32 " failed to resume at address :0x%" PRIx32,
                                                  curr->coreid, address);
                                retval = ret;
                        }
@@ -608,7 +610,7 @@ static int mips_m4k_set_breakpoint(struct target *target,
                while (comparator_list[bp_num].used && (bp_num < mips32->num_inst_bpoints))
                        bp_num++;
                if (bp_num >= mips32->num_inst_bpoints) {
-                       LOG_ERROR("Can not find free FP Comparator(bpid: %d)",
+                       LOG_ERROR("Can not find free FP Comparator(bpid: %" PRIu32 ")",
                                        breakpoint->unique_id);
                        return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
                }
@@ -628,11 +630,11 @@ static int mips_m4k_set_breakpoint(struct target *target,
                                 ejtag_info->ejtag_ibm_offs, 0x00000000);
                target_write_u32(target, comparator_list[bp_num].reg_address +
                                 ejtag_info->ejtag_ibc_offs, 1);
-               LOG_DEBUG("bpid: %d, bp_num %i bp_value 0x%" PRIx32 "",
+               LOG_DEBUG("bpid: %" PRIu32 ", bp_num %i bp_value 0x%" PRIx32 "",
                                  breakpoint->unique_id,
                                  bp_num, comparator_list[bp_num].bp_value);
        } else if (breakpoint->type == BKPT_SOFT) {
-               LOG_DEBUG("bpid: %d", breakpoint->unique_id);
+               LOG_DEBUG("bpid: %" PRIu32, breakpoint->unique_id);
                if (breakpoint->length == 4) {
                        uint32_t verify = 0xffffffff;
 
@@ -696,11 +698,11 @@ static int mips_m4k_unset_breakpoint(struct target *target,
        if (breakpoint->type == BKPT_HARD) {
                int bp_num = breakpoint->set - 1;
                if ((bp_num < 0) || (bp_num >= mips32->num_inst_bpoints)) {
-                       LOG_DEBUG("Invalid FP Comparator number in breakpoint (bpid: %d)",
+                       LOG_DEBUG("Invalid FP Comparator number in breakpoint (bpid: %" PRIu32 ")",
                                          breakpoint->unique_id);
                        return ERROR_OK;
                }
-               LOG_DEBUG("bpid: %d - releasing hw: %d",
+               LOG_DEBUG("bpid: %" PRIu32 " - releasing hw: %d",
                                breakpoint->unique_id,
                                bp_num);
                comparator_list[bp_num].used = 0;
@@ -710,7 +712,7 @@ static int mips_m4k_unset_breakpoint(struct target *target,
 
        } else {
                /* restore original instruction (kept in target endianness) */
-               LOG_DEBUG("bpid: %d", breakpoint->unique_id);
+               LOG_DEBUG("bpid: %" PRIu32, breakpoint->unique_id);
                if (breakpoint->length == 4) {
                        uint32_t current_instr;
 
@@ -1054,9 +1056,9 @@ static int mips_m4k_write_memory(struct target *target, uint32_t address,
        /* if noDMA off, use DMAACC mode for memory write */
        int retval;
        if (ejtag_info->impcode & EJTAG_IMP_NODMA)
-               retval = mips32_pracc_write_mem(ejtag_info, address, size, count, (void *)buffer);
+               retval = mips32_pracc_write_mem(ejtag_info, address, size, count, buffer);
        else
-               retval = mips32_dmaacc_write_mem(ejtag_info, address, size, count, (void *)buffer);
+               retval = mips32_dmaacc_write_mem(ejtag_info, address, size, count, buffer);
 
        if (t != NULL)
                free(t);
@@ -1137,6 +1139,7 @@ static int mips_m4k_bulk_write_memory(struct target *target, uint32_t address,
 {
        struct mips32_common *mips32 = target_to_mips32(target);
        struct mips_ejtag *ejtag_info = &mips32->ejtag_info;
+       struct working_area *fast_data_area;
        int retval;
        int write_t = 1;
 
@@ -1163,6 +1166,17 @@ static int mips_m4k_bulk_write_memory(struct target *target, uint32_t address,
                ejtag_info->fast_access_save = -1;
        }
 
+       fast_data_area = mips32->fast_data_area;
+
+       if (address <= fast_data_area->address + fast_data_area->size &&
+                       fast_data_area->address <= address + count) {
+               LOG_ERROR("fast_data (0x%8.8" PRIx32 ") is within write area "
+                         "(0x%8.8" PRIx32 "-0x%8.8" PRIx32 ").",
+                         fast_data_area->address, address, address + count);
+               LOG_ERROR("Change work-area-phys or load_image address!");
+               return ERROR_FAIL;
+       }
+
        /* mips32_pracc_fastdata_xfer requires uint32_t in host endianness, */
        /* but byte array represents target endianness                      */
        uint32_t *t = NULL;
@@ -1302,7 +1316,7 @@ COMMAND_HANDLER(mips_m4k_handle_smp_gdb_command)
                        target->gdb_service->core[1] = coreid;
 
                }
-               command_print(CMD_CTX, "gdb coreid  %d -> %d", target->gdb_service->core[0]
+               command_print(CMD_CTX, "gdb coreid  %" PRId32 " -> %" PRId32, target->gdb_service->core[0]
                        , target->gdb_service->core[1]);
        }
        return ERROR_OK;
@@ -1315,7 +1329,7 @@ COMMAND_HANDLER(mips_m4k_handle_scan_delay_command)
        struct mips_ejtag *ejtag_info = &mips_m4k->mips32.ejtag_info;
 
        if (CMD_ARGC == 1)
-               COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], ejtag_info->scan_delay);
+               COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], ejtag_info->scan_delay);
        else if (CMD_ARGC > 1)
                        return ERROR_COMMAND_SYNTAX_ERROR;
 
@@ -1390,15 +1404,12 @@ struct target_type mips_m4k_target = {
        .poll = mips_m4k_poll,
        .arch_state = mips32_arch_state,
 
-       .target_request_data = NULL,
-
        .halt = mips_m4k_halt,
        .resume = mips_m4k_resume,
        .step = mips_m4k_step,
 
        .assert_reset = mips_m4k_assert_reset,
        .deassert_reset = mips_m4k_deassert_reset,
-       .soft_reset_halt = mips_m4k_soft_reset_halt,
 
        .get_gdb_reg_list = mips32_get_gdb_reg_list,
 

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