ARM: add comments re DAP assumptions

[openocd.git] / src / target / target.c

diff --git a/src/target/target.c b/src/target/target.c
index 9a605f3dca81401c9f445425a47d3867d19bdb04..73a762d4990a82df9a3cd619385ab48f461989da 100644 (file)
--- a/src/target/target.c
+++ b/src/target/target.c
@@ -33,15 +33,16 @@
 #include "config.h"
 #endif
 
+#include <helper/time_support.h>
+#include <jtag/jtag.h>
+
 #include "target.h"
 #include "target_type.h"
 #include "target_request.h"
 #include "breakpoints.h"
-#include "time_support.h"
 #include "register.h"
 #include "trace.h"
 #include "image.h"
-#include "jtag.h"
 
 
 static int target_array2mem(Jim_Interp *interp, struct target *target, int argc, Jim_Obj *const *argv);
@@ -63,6 +64,7 @@ extern struct target_type cortexa8_target;
 extern struct target_type arm11_target;
 extern struct target_type mips_m4k_target;
 extern struct target_type avr_target;
+extern struct target_type dsp563xx_target;
 extern struct target_type testee_target;
 
 struct target_type *target_types[] =
@@ -82,6 +84,7 @@ struct target_type *target_types[] =
        &arm11_target,
        &mips_m4k_target,
        &avr_target,
+       &dsp563xx_target,
        &testee_target,
        NULL,
 };
@@ -90,7 +93,7 @@ struct target *all_targets = NULL;
 struct target_event_callback *target_event_callbacks = NULL;
 struct target_timer_callback *target_timer_callbacks = NULL;
 
-const Jim_Nvp nvp_assert[] = {
+static const Jim_Nvp nvp_assert[] = {
        { .name = "assert", NVP_ASSERT },
        { .name = "deassert", NVP_DEASSERT },
        { .name = "T", NVP_ASSERT },
@@ -100,7 +103,7 @@ const Jim_Nvp nvp_assert[] = {
        { .name = NULL, .value = -1 }
 };
 
-const Jim_Nvp nvp_error_target[] = {
+static const Jim_Nvp nvp_error_target[] = {
        { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
        { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
        { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
@@ -178,7 +181,7 @@ static const Jim_Nvp nvp_target_event[] = {
        { .name = NULL, .value = -1 }
 };
 
-const Jim_Nvp nvp_target_state[] = {
+static const Jim_Nvp nvp_target_state[] = {
        { .name = "unknown", .value = TARGET_UNKNOWN },
        { .name = "running", .value = TARGET_RUNNING },
        { .name = "halted",  .value = TARGET_HALTED },
@@ -187,7 +190,7 @@ const Jim_Nvp nvp_target_state[] = {
        { .name = NULL, .value = -1 },
 };
 
-const Jim_Nvp nvp_target_debug_reason [] = {
+static const Jim_Nvp nvp_target_debug_reason [] = {
        { .name = "debug-request"            , .value = DBG_REASON_DBGRQ },
        { .name = "breakpoint"               , .value = DBG_REASON_BREAKPOINT },
        { .name = "watchpoint"               , .value = DBG_REASON_WATCHPOINT },
@@ -198,7 +201,7 @@ const Jim_Nvp nvp_target_debug_reason [] = {
        { .name = NULL, .value = -1 },
 };
 
-const Jim_Nvp nvp_target_endian[] = {
+static const Jim_Nvp nvp_target_endian[] = {
        { .name = "big",    .value = TARGET_BIG_ENDIAN },
        { .name = "little", .value = TARGET_LITTLE_ENDIAN },
        { .name = "be",     .value = TARGET_BIG_ENDIAN },
@@ -206,7 +209,7 @@ const Jim_Nvp nvp_target_endian[] = {
        { .name = NULL,     .value = -1 },
 };
 
-const Jim_Nvp nvp_reset_modes[] = {
+static const Jim_Nvp nvp_reset_modes[] = {
        { .name = "unknown", .value = RESET_UNKNOWN },
        { .name = "run"    , .value = RESET_RUN },
        { .name = "halt"   , .value = RESET_HALT },
@@ -214,6 +217,19 @@ const Jim_Nvp nvp_reset_modes[] = {
        { .name = NULL     , .value = -1 },
 };
 
+const char *debug_reason_name(struct target *t)
+{
+       const char *cp;
+
+       cp = Jim_Nvp_value2name_simple(nvp_target_debug_reason,
+                       t->debug_reason)->name;
+       if (!cp) {
+               LOG_ERROR("Invalid debug reason: %d", (int)(t->debug_reason));
+               cp = "(*BUG*unknown*BUG*)";
+       }
+       return cp;
+}
+
 const char *
 target_state_name( struct target *t )
 {
@@ -2141,8 +2157,9 @@ static void handle_md_output(struct command_context *cmd_ctx,
        case 2: value_fmt = "%4.2x "; break;
        case 1: value_fmt = "%2.2x "; break;
        default:
+               /* "can't happen", caller checked */
                LOG_ERROR("invalid memory read size: %u", size);
-               exit(-1);
+               return;
        }
 
        for (unsigned i = 0; i < count; i++)
@@ -2471,7 +2488,7 @@ COMMAND_HANDLER(handle_dump_image_command)
        if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
        {
                command_print(CMD_CTX,
-                               "dumped %zu bytes in %fs (%0.3f kb/s)", fileio.size,
+                               "dumped %ld bytes in %fs (%0.3f kb/s)", (long)fileio.size,
                                duration_elapsed(&bench), duration_kbps(&bench, fileio.size));
        }
 
@@ -4062,6 +4079,11 @@ static int jim_target_reset(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
        struct target *target = Jim_CmdPrivData(goi.interp);
        if (!target->tap->enabled)
                return jim_target_tap_disabled(interp);
+       if (!(target_was_examined(target)))
+       {
+               LOG_ERROR("Target not examined yet");
+               return ERROR_TARGET_NOT_EXAMINED;
+       }
        if (!target->type->assert_reset || !target->type->deassert_reset)
        {
                Jim_SetResult_sprintf(interp,
@@ -4844,7 +4866,7 @@ static const struct command_registration target_exec_command_handlers[] = {
        {
                .name = "fast_load",
                .handler = &handle_fast_load_command,
-               .mode = COMMAND_ANY,
+               .mode = COMMAND_EXEC,
                .help = "loads active fast load image to current target "
                        "- mainly for profiling purposes",
        },