/*************************************************************************** * Copyright (C) 2005 by Dominic Rath * * Dominic.Rath@gmx.de * * * * Copyright (C) 2007,2008 Øyvind Harboe * * oyvind.harboe@zylin.com * * * * Copyright (C) 2009 SoftPLC Corporation * * http://softplc.com * * dick@softplc.com * * * * Copyright (C) 2009 Zachary T Welch * * zw@superlucidity.net * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * 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. * ***************************************************************************/ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "jtag.h" #include "minidriver.h" #include "interface.h" #ifdef HAVE_STRINGS_H #include #endif static const Jim_Nvp nvp_jtag_tap_event[] = { { .value = JTAG_TAP_EVENT_ENABLE, .name = "tap-enable" }, { .value = JTAG_TAP_EVENT_DISABLE, .name = "tap-disable" }, { .name = NULL, .value = -1 } }; /* jtag interfaces (parport, FTDI-USB, TI-USB, ...) */ #if BUILD_ECOSBOARD == 1 extern jtag_interface_t zy1000_interface; #elif defined(BUILD_MINIDRIVER_DUMMY) extern jtag_interface_t minidummy_interface; #else // standard drivers #if BUILD_PARPORT == 1 extern jtag_interface_t parport_interface; #endif #if BUILD_DUMMY == 1 extern jtag_interface_t dummy_interface; #endif #if BUILD_FT2232_FTD2XX == 1 extern jtag_interface_t ft2232_interface; #endif #if BUILD_FT2232_LIBFTDI == 1 extern jtag_interface_t ft2232_interface; #endif #if BUILD_AMTJTAGACCEL == 1 extern jtag_interface_t amt_jtagaccel_interface; #endif #if BUILD_EP93XX == 1 extern jtag_interface_t ep93xx_interface; #endif #if BUILD_AT91RM9200 == 1 extern jtag_interface_t at91rm9200_interface; #endif #if BUILD_GW16012 == 1 extern jtag_interface_t gw16012_interface; #endif #if BUILD_PRESTO_LIBFTDI == 1 || BUILD_PRESTO_FTD2XX == 1 extern jtag_interface_t presto_interface; #endif #if BUILD_USBPROG == 1 extern jtag_interface_t usbprog_interface; #endif #if BUILD_JLINK == 1 extern jtag_interface_t jlink_interface; #endif #if BUILD_VSLLINK == 1 extern jtag_interface_t vsllink_interface; #endif #if BUILD_RLINK == 1 extern jtag_interface_t rlink_interface; #endif #if BUILD_ARMJTAGEW == 1 extern jtag_interface_t armjtagew_interface; #endif #endif // standard drivers /** * The list of built-in JTAG interfaces, containing entries for those * drivers that were enabled by the @c configure script. * * The list should be defined to contain either one minidriver interface * or some number of standard driver interfaces, never both. */ jtag_interface_t *jtag_interfaces[] = { #if BUILD_ECOSBOARD == 1 &zy1000_interface, #elif defined(BUILD_MINIDRIVER_DUMMY) &minidummy_interface, #else // standard drivers #if BUILD_PARPORT == 1 &parport_interface, #endif #if BUILD_DUMMY == 1 &dummy_interface, #endif #if BUILD_FT2232_FTD2XX == 1 &ft2232_interface, #endif #if BUILD_FT2232_LIBFTDI == 1 &ft2232_interface, #endif #if BUILD_AMTJTAGACCEL == 1 &amt_jtagaccel_interface, #endif #if BUILD_EP93XX == 1 &ep93xx_interface, #endif #if BUILD_AT91RM9200 == 1 &at91rm9200_interface, #endif #if BUILD_GW16012 == 1 &gw16012_interface, #endif #if BUILD_PRESTO_LIBFTDI == 1 || BUILD_PRESTO_FTD2XX == 1 &presto_interface, #endif #if BUILD_USBPROG == 1 &usbprog_interface, #endif #if BUILD_JLINK == 1 &jlink_interface, #endif #if BUILD_VSLLINK == 1 &vsllink_interface, #endif #if BUILD_RLINK == 1 &rlink_interface, #endif #if BUILD_ARMJTAGEW == 1 &armjtagew_interface, #endif #endif // standard drivers NULL, }; extern jtag_interface_t *jtag_interface; /* jtag commands */ static int handle_interface_list_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); static int handle_interface_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); static int handle_jtag_speed_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); static int handle_jtag_khz_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); static int handle_jtag_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); static int handle_reset_config_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); static int handle_jtag_nsrst_delay_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); static int handle_jtag_ntrst_delay_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); static int handle_scan_chain_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); static int handle_jtag_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); static int handle_runtest_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); static int handle_irscan_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); static int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *argv); static int Jim_Command_pathmove(Jim_Interp *interp, int argc, Jim_Obj *const *argv); static int Jim_Command_flush_count(Jim_Interp *interp, int argc, Jim_Obj *const *args); static int handle_verify_ircapture_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); static int handle_verify_jtag_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); static int handle_tms_sequence_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); extern int jtag_examine_chain(void); extern int jtag_validate_chain(void); enum jtag_tap_cfg_param { JCFG_EVENT }; static Jim_Nvp nvp_config_opts[] = { { .name = "-event", .value = JCFG_EVENT }, { .name = NULL, .value = -1 } }; static int jtag_tap_configure_cmd( Jim_GetOptInfo *goi, jtag_tap_t * tap) { Jim_Nvp *n; Jim_Obj *o; int e; /* parse config or cget options */ while (goi->argc > 0) { Jim_SetEmptyResult (goi->interp); e = Jim_GetOpt_Nvp(goi, nvp_config_opts, &n); if (e != JIM_OK) { Jim_GetOpt_NvpUnknown(goi, nvp_config_opts, 0); return e; } switch (n->value) { case JCFG_EVENT: if (goi->argc == 0) { Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ..." ); return JIM_ERR; } e = Jim_GetOpt_Nvp( goi, nvp_jtag_tap_event, &n ); if (e != JIM_OK) { Jim_GetOpt_NvpUnknown(goi, nvp_jtag_tap_event, 1); return e; } if (goi->isconfigure) { if (goi->argc != 1) { Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?"); return JIM_ERR; } } else { if (goi->argc != 0) { Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?"); return JIM_ERR; } } { jtag_tap_event_action_t *jteap; jteap = tap->event_action; /* replace existing? */ while (jteap) { if (jteap->event == (enum jtag_tap_event)n->value) { break; } jteap = jteap->next; } if (goi->isconfigure) { if (jteap == NULL) { /* create new */ jteap = calloc(1, sizeof (*jteap)); } jteap->event = n->value; Jim_GetOpt_Obj( goi, &o); if (jteap->body) { Jim_DecrRefCount(interp, jteap->body); } jteap->body = Jim_DuplicateObj(goi->interp, o); Jim_IncrRefCount(jteap->body); /* add to head of event list */ jteap->next = tap->event_action; tap->event_action = jteap; Jim_SetEmptyResult(goi->interp); } else { /* get */ if (jteap == NULL) { Jim_SetEmptyResult(goi->interp); } else { Jim_SetResult(goi->interp, Jim_DuplicateObj(goi->interp, jteap->body)); } } } /* loop for more */ break; } } /* while (goi->argc) */ return JIM_OK; } extern void jtag_tap_init(jtag_tap_t *tap); extern void jtag_tap_free(jtag_tap_t *tap); static int jim_newtap_cmd( Jim_GetOptInfo *goi ) { jtag_tap_t *pTap; jim_wide w; int x; int e; int reqbits; Jim_Nvp *n; char *cp; const Jim_Nvp opts[] = { #define NTAP_OPT_IRLEN 0 { .name = "-irlen" , .value = NTAP_OPT_IRLEN }, #define NTAP_OPT_IRMASK 1 { .name = "-irmask" , .value = NTAP_OPT_IRMASK }, #define NTAP_OPT_IRCAPTURE 2 { .name = "-ircapture" , .value = NTAP_OPT_IRCAPTURE }, #define NTAP_OPT_ENABLED 3 { .name = "-enable" , .value = NTAP_OPT_ENABLED }, #define NTAP_OPT_DISABLED 4 { .name = "-disable" , .value = NTAP_OPT_DISABLED }, #define NTAP_OPT_EXPECTED_ID 5 { .name = "-expected-id" , .value = NTAP_OPT_EXPECTED_ID }, { .name = NULL , .value = -1 }, }; pTap = malloc( sizeof(jtag_tap_t) ); memset( pTap, 0, sizeof(*pTap) ); if( !pTap ){ Jim_SetResult_sprintf( goi->interp, "no memory"); return JIM_ERR; } /* * we expect CHIP + TAP + OPTIONS * */ if( goi->argc < 3 ){ Jim_SetResult_sprintf(goi->interp, "Missing CHIP TAP OPTIONS ...."); return JIM_ERR; } Jim_GetOpt_String( goi, &cp, NULL ); pTap->chip = strdup(cp); Jim_GetOpt_String( goi, &cp, NULL ); pTap->tapname = strdup(cp); /* name + dot + name + null */ x = strlen(pTap->chip) + 1 + strlen(pTap->tapname) + 1; cp = malloc( x ); sprintf( cp, "%s.%s", pTap->chip, pTap->tapname ); pTap->dotted_name = cp; LOG_DEBUG("Creating New Tap, Chip: %s, Tap: %s, Dotted: %s, %d params", pTap->chip, pTap->tapname, pTap->dotted_name, goi->argc); /* default is enabled */ pTap->enabled = 1; /* deal with options */ #define NTREQ_IRLEN 1 #define NTREQ_IRCAPTURE 2 #define NTREQ_IRMASK 4 /* clear them as we find them */ reqbits = (NTREQ_IRLEN | NTREQ_IRCAPTURE | NTREQ_IRMASK); while( goi->argc ){ e = Jim_GetOpt_Nvp( goi, opts, &n ); if( e != JIM_OK ){ Jim_GetOpt_NvpUnknown( goi, opts, 0 ); return e; } LOG_DEBUG("Processing option: %s", n->name ); switch( n->value ){ case NTAP_OPT_ENABLED: pTap->enabled = 1; break; case NTAP_OPT_DISABLED: pTap->enabled = 0; break; case NTAP_OPT_EXPECTED_ID: { u32 *new_expected_ids; e = Jim_GetOpt_Wide( goi, &w ); if( e != JIM_OK) { Jim_SetResult_sprintf(goi->interp, "option: %s bad parameter", n->name); return e; } new_expected_ids = malloc(sizeof(u32) * (pTap->expected_ids_cnt + 1)); if (new_expected_ids == NULL) { Jim_SetResult_sprintf( goi->interp, "no memory"); return JIM_ERR; } memcpy(new_expected_ids, pTap->expected_ids, sizeof(u32) * pTap->expected_ids_cnt); new_expected_ids[pTap->expected_ids_cnt] = w; free(pTap->expected_ids); pTap->expected_ids = new_expected_ids; pTap->expected_ids_cnt++; break; } case NTAP_OPT_IRLEN: case NTAP_OPT_IRMASK: case NTAP_OPT_IRCAPTURE: e = Jim_GetOpt_Wide( goi, &w ); if( e != JIM_OK ){ Jim_SetResult_sprintf( goi->interp, "option: %s bad parameter", n->name ); return e; } if( (w < 0) || (w > 0xffff) ){ /* wacky value */ Jim_SetResult_sprintf( goi->interp, "option: %s - wacky value: %d (0x%x)", n->name, (int)(w), (int)(w)); return JIM_ERR; } switch(n->value){ case NTAP_OPT_IRLEN: pTap->ir_length = w; reqbits &= (~(NTREQ_IRLEN)); break; case NTAP_OPT_IRMASK: pTap->ir_capture_mask = w; reqbits &= (~(NTREQ_IRMASK)); break; case NTAP_OPT_IRCAPTURE: pTap->ir_capture_value = w; reqbits &= (~(NTREQ_IRCAPTURE)); break; } } /* switch(n->value) */ } /* while( goi->argc ) */ /* Did all the required option bits get cleared? */ if (0 == reqbits) { jtag_tap_init(pTap); return ERROR_OK; } Jim_SetResult_sprintf(goi->interp, "newtap: %s missing required parameters", pTap->dotted_name); jtag_tap_free(pTap); return JIM_ERR; } static void jtag_tap_handle_event( jtag_tap_t * tap, enum jtag_tap_event e) { jtag_tap_event_action_t * jteap; int done; jteap = tap->event_action; done = 0; while (jteap) { if (jteap->event == e) { done = 1; LOG_DEBUG( "JTAG tap: %s event: %d (%s) action: %s\n", tap->dotted_name, e, Jim_Nvp_value2name_simple(nvp_jtag_tap_event, e)->name, Jim_GetString(jteap->body, NULL) ); if (Jim_EvalObj(interp, jteap->body) != JIM_OK) { Jim_PrintErrorMessage(interp); } } jteap = jteap->next; } if (!done) { LOG_DEBUG( "event %d %s - no action", e, Jim_Nvp_value2name_simple( nvp_jtag_tap_event, e)->name); } } static int jim_jtag_command( Jim_Interp *interp, int argc, Jim_Obj *const *argv ) { Jim_GetOptInfo goi; int e; Jim_Nvp *n; Jim_Obj *o; struct command_context_s *context; enum { JTAG_CMD_INTERFACE, JTAG_CMD_INIT_RESET, JTAG_CMD_NEWTAP, JTAG_CMD_TAPENABLE, JTAG_CMD_TAPDISABLE, JTAG_CMD_TAPISENABLED, JTAG_CMD_CONFIGURE, JTAG_CMD_CGET }; const Jim_Nvp jtag_cmds[] = { { .name = "interface" , .value = JTAG_CMD_INTERFACE }, { .name = "arp_init-reset", .value = JTAG_CMD_INIT_RESET }, { .name = "newtap" , .value = JTAG_CMD_NEWTAP }, { .name = "tapisenabled" , .value = JTAG_CMD_TAPISENABLED }, { .name = "tapenable" , .value = JTAG_CMD_TAPENABLE }, { .name = "tapdisable" , .value = JTAG_CMD_TAPDISABLE }, { .name = "configure" , .value = JTAG_CMD_CONFIGURE }, { .name = "cget" , .value = JTAG_CMD_CGET }, { .name = NULL, .value = -1 }, }; context = Jim_GetAssocData(interp, "context"); /* go past the command */ Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 ); e = Jim_GetOpt_Nvp( &goi, jtag_cmds, &n ); if( e != JIM_OK ){ Jim_GetOpt_NvpUnknown( &goi, jtag_cmds, 0 ); return e; } Jim_SetEmptyResult( goi.interp ); switch( n->value ){ case JTAG_CMD_INTERFACE: /* return the name of the interface */ /* TCL code might need to know the exact type... */ /* FUTURE: we allow this as a means to "set" the interface. */ if( goi.argc != 0 ){ Jim_WrongNumArgs( goi.interp, 1, goi.argv-1, "(no params)"); return JIM_ERR; } Jim_SetResultString( goi.interp, jtag_interface->name, -1 ); return JIM_OK; case JTAG_CMD_INIT_RESET: if( goi.argc != 0 ){ Jim_WrongNumArgs( goi.interp, 1, goi.argv-1, "(no params)"); return JIM_ERR; } e = jtag_init_reset(context); if( e != ERROR_OK ){ Jim_SetResult_sprintf( goi.interp, "error: %d", e); return JIM_ERR; } return JIM_OK; case JTAG_CMD_NEWTAP: return jim_newtap_cmd( &goi ); break; case JTAG_CMD_TAPISENABLED: case JTAG_CMD_TAPENABLE: case JTAG_CMD_TAPDISABLE: if( goi.argc != 1 ){ Jim_SetResultString( goi.interp, "Too many parameters",-1 ); return JIM_ERR; } { jtag_tap_t *t; t = jtag_tap_by_jim_obj( goi.interp, goi.argv[0] ); if( t == NULL ){ return JIM_ERR; } switch( n->value ){ case JTAG_CMD_TAPISENABLED: e = t->enabled; break; case JTAG_CMD_TAPENABLE: jtag_tap_handle_event( t, JTAG_TAP_EVENT_ENABLE); e = 1; t->enabled = e; break; case JTAG_CMD_TAPDISABLE: jtag_tap_handle_event( t, JTAG_TAP_EVENT_DISABLE); e = 0; t->enabled = e; break; } Jim_SetResult( goi.interp, Jim_NewIntObj( goi.interp, e ) ); return JIM_OK; } break; case JTAG_CMD_CGET: if( goi.argc < 2 ){ Jim_WrongNumArgs( goi.interp, 0, NULL, "?tap-name? -option ..."); return JIM_ERR; } { jtag_tap_t *t; Jim_GetOpt_Obj(&goi, &o); t = jtag_tap_by_jim_obj( goi.interp, o ); if( t == NULL ){ return JIM_ERR; } goi.isconfigure = 0; return jtag_tap_configure_cmd( &goi, t); } break; case JTAG_CMD_CONFIGURE: if( goi.argc < 3 ){ Jim_WrongNumArgs( goi.interp, 0, NULL, "?tap-name? -option ?VALUE? ..."); return JIM_ERR; } { jtag_tap_t *t; Jim_GetOpt_Obj(&goi, &o); t = jtag_tap_by_jim_obj( goi.interp, o ); if( t == NULL ){ return JIM_ERR; } goi.isconfigure = 1; return jtag_tap_configure_cmd( &goi, t); } } return JIM_ERR; } int jtag_register_commands(struct command_context_s *cmd_ctx) { register_jim( cmd_ctx, "jtag", jim_jtag_command, "perform jtag tap actions"); register_command(cmd_ctx, NULL, "interface", handle_interface_command, COMMAND_CONFIG, "try to configure interface"); register_command(cmd_ctx, NULL, "interface_list", &handle_interface_list_command, COMMAND_ANY, "list all built-in interfaces"); register_command(cmd_ctx, NULL, "jtag_speed", handle_jtag_speed_command, COMMAND_ANY, "(DEPRECATED) set jtag speed (if supported)"); register_command(cmd_ctx, NULL, "jtag_khz", handle_jtag_khz_command, COMMAND_ANY, "set maximum jtag speed (if supported); " "parameter is maximum khz, or 0 for adaptive clocking (RTCK)."); register_command(cmd_ctx, NULL, "jtag_device", handle_jtag_device_command, COMMAND_CONFIG, "(DEPRECATED) jtag_device "); register_command(cmd_ctx, NULL, "reset_config", handle_reset_config_command, COMMAND_ANY, "[none/trst_only/srst_only/trst_and_srst] [srst_pulls_trst/trst_pulls_srst] [combined/separate] [trst_push_pull/trst_open_drain] [srst_push_pull/srst_open_drain]"); register_command(cmd_ctx, NULL, "jtag_nsrst_delay", handle_jtag_nsrst_delay_command, COMMAND_ANY, "jtag_nsrst_delay - delay after deasserting srst in ms"); register_command(cmd_ctx, NULL, "jtag_ntrst_delay", handle_jtag_ntrst_delay_command, COMMAND_ANY, "jtag_ntrst_delay - delay after deasserting trst in ms"); register_command(cmd_ctx, NULL, "scan_chain", handle_scan_chain_command, COMMAND_EXEC, "print current scan chain configuration"); register_command(cmd_ctx, NULL, "jtag_reset", handle_jtag_reset_command, COMMAND_EXEC, "toggle reset lines "); register_command(cmd_ctx, NULL, "runtest", handle_runtest_command, COMMAND_EXEC, "move to Run-Test/Idle, and execute "); register_command(cmd_ctx, NULL, "irscan", handle_irscan_command, COMMAND_EXEC, "execute IR scan [dev2] [instr2] ..."); register_jim(cmd_ctx, "drscan", Jim_Command_drscan, "execute DR scan ..."); register_jim(cmd_ctx, "flush_count", Jim_Command_flush_count, "returns number of times the JTAG queue has been flushed"); register_jim(cmd_ctx, "pathmove", Jim_Command_pathmove, "move JTAG to state1 then to state2, state3, etc. ,,..."); register_command(cmd_ctx, NULL, "verify_ircapture", handle_verify_ircapture_command, COMMAND_ANY, "verify value captured during Capture-IR "); register_command(cmd_ctx, NULL, "verify_jtag", handle_verify_jtag_command, COMMAND_ANY, "verify value capture "); register_command(cmd_ctx, NULL, "tms_sequence", handle_tms_sequence_command, COMMAND_ANY, "choose short(default) or long tms_sequence "); return ERROR_OK; } static int default_khz(int khz, int *jtag_speed) { LOG_ERROR("Translation from khz to jtag_speed not implemented"); return ERROR_FAIL; } static int default_speed_div(int speed, int *khz) { LOG_ERROR("Translation from jtag_speed to khz not implemented"); return ERROR_FAIL; } static int default_power_dropout(int *dropout) { *dropout=0; /* by default we can't detect power dropout */ return ERROR_OK; } static int default_srst_asserted(int *srst_asserted) { *srst_asserted=0; /* by default we can't detect srst asserted */ return ERROR_OK; } static int handle_interface_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { /* check whether the interface is already configured */ if (jtag_interface) { LOG_WARNING("Interface already configured, ignoring"); return ERROR_OK; } /* interface name is a mandatory argument */ if (argc != 1 || args[0][0] == '\0') return ERROR_COMMAND_SYNTAX_ERROR; for (unsigned i = 0; NULL != jtag_interfaces[i]; i++) { if (strcmp(args[0], jtag_interfaces[i]->name) != 0) continue; int retval = jtag_interfaces[i]->register_commands(cmd_ctx); if (ERROR_OK != retval) return retval; jtag_interface = jtag_interfaces[i]; if (jtag_interface->khz == NULL) jtag_interface->khz = default_khz; if (jtag_interface->speed_div == NULL) jtag_interface->speed_div = default_speed_div; if (jtag_interface->power_dropout == NULL) jtag_interface->power_dropout = default_power_dropout; if (jtag_interface->srst_asserted == NULL) jtag_interface->srst_asserted = default_srst_asserted; return ERROR_OK; } /* no valid interface was found (i.e. the configuration option, * didn't match one of the compiled-in interfaces */ LOG_ERROR("The specified JTAG interface was not found (%s)", args[0]); handle_interface_list_command(cmd_ctx, cmd, args, argc); return ERROR_JTAG_INVALID_INTERFACE; } static int handle_interface_list_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { if (strcmp(cmd, "interface_list") == 0 && argc > 0) return ERROR_COMMAND_SYNTAX_ERROR; command_print(cmd_ctx, "The following JTAG interfaces are available:"); for (unsigned i = 0; NULL != jtag_interfaces[i]; i++) { const char *name = jtag_interfaces[i]->name; command_print(cmd_ctx, "%u: %s", i + 1, name); } return ERROR_OK; } static int handle_jtag_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { int e; char buf[1024]; Jim_Obj *newargs[ 10 ]; /* * CONVERT SYNTAX * argv[-1] = command * argv[ 0] = ir length * argv[ 1] = ir capture * argv[ 2] = ir mask * argv[ 3] = not actually used by anything but in the docs */ if( argc < 4 ){ command_print( cmd_ctx, "OLD DEPRECATED SYNTAX: Please use the NEW syntax"); return ERROR_OK; } command_print( cmd_ctx, "OLD SYNTAX: DEPRECATED - translating to new syntax"); command_print( cmd_ctx, "jtag newtap CHIP TAP -irlen %s -ircapture %s -irvalue %s", args[0], args[1], args[2] ); command_print( cmd_ctx, "Example: STM32 has 2 taps, the cortexM3(len4) + boundaryscan(len5)"); command_print( cmd_ctx, "jtag newtap stm32 cortexm3 ....., thus creating the tap: \"stm32.cortexm3\""); command_print( cmd_ctx, "jtag newtap stm32 boundary ....., and the tap: \"stm32.boundary\""); command_print( cmd_ctx, "And then refer to the taps by the dotted name."); newargs[0] = Jim_NewStringObj( interp, "jtag", -1 ); newargs[1] = Jim_NewStringObj( interp, "newtap", -1 ); sprintf( buf, "chip%d", jtag_tap_count() ); newargs[2] = Jim_NewStringObj( interp, buf, -1 ); sprintf( buf, "tap%d", jtag_tap_count() ); newargs[3] = Jim_NewStringObj( interp, buf, -1 ); newargs[4] = Jim_NewStringObj( interp, "-irlen", -1 ); newargs[5] = Jim_NewStringObj( interp, args[0], -1 ); newargs[6] = Jim_NewStringObj( interp, "-ircapture", -1 ); newargs[7] = Jim_NewStringObj( interp, args[1], -1 ); newargs[8] = Jim_NewStringObj( interp, "-irmask", -1 ); newargs[9] = Jim_NewStringObj( interp, args[2], -1 ); command_print( cmd_ctx, "NEW COMMAND:"); sprintf( buf, "%s %s %s %s %s %s %s %s %s %s", Jim_GetString( newargs[0], NULL ), Jim_GetString( newargs[1], NULL ), Jim_GetString( newargs[2], NULL ), Jim_GetString( newargs[3], NULL ), Jim_GetString( newargs[4], NULL ), Jim_GetString( newargs[5], NULL ), Jim_GetString( newargs[6], NULL ), Jim_GetString( newargs[7], NULL ), Jim_GetString( newargs[8], NULL ), Jim_GetString( newargs[9], NULL ) ); e = jim_jtag_command( interp, 10, newargs ); if( e != JIM_OK ){ command_print( cmd_ctx, "%s", Jim_GetString( Jim_GetResult(interp), NULL ) ); } return e; } static int handle_scan_chain_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { jtag_tap_t *tap; tap = jtag_all_taps(); command_print(cmd_ctx, " TapName | Enabled | IdCode Expected IrLen IrCap IrMask Instr "); command_print(cmd_ctx, "---|--------------------|---------|------------|------------|------|------|------|---------"); while( tap ){ u32 expected, expected_mask, cur_instr, ii; expected = buf_get_u32(tap->expected, 0, tap->ir_length); expected_mask = buf_get_u32(tap->expected_mask, 0, tap->ir_length); cur_instr = buf_get_u32(tap->cur_instr, 0, tap->ir_length); command_print(cmd_ctx, "%2d | %-18s | %c | 0x%08x | 0x%08x | 0x%02x | 0x%02x | 0x%02x | 0x%02x", tap->abs_chain_position, tap->dotted_name, tap->enabled ? 'Y' : 'n', tap->idcode, (tap->expected_ids_cnt > 0 ? tap->expected_ids[0] : 0), tap->ir_length, expected, expected_mask, cur_instr); for (ii = 1; ii < tap->expected_ids_cnt; ii++) { command_print(cmd_ctx, " | | | | 0x%08x | | | | ", tap->expected_ids[ii]); } tap = tap->next_tap; } return ERROR_OK; } static int handle_reset_config_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { int new_cfg = 0; int mask = 0; if (argc < 1) return ERROR_COMMAND_SYNTAX_ERROR; /* Original versions cared about the order of these tokens: * reset_config signals [combination [trst_type [srst_type]]] * They also clobbered the previous configuration even on error. * * Here we don't care about the order, and only change values * which have been explicitly specified. */ for (; argc; argc--, args++) { int tmp = 0; int m; /* signals */ m = RESET_HAS_TRST | RESET_HAS_SRST; if (strcmp(*args, "none") == 0) tmp = RESET_NONE; else if (strcmp(*args, "trst_only") == 0) tmp = RESET_HAS_TRST; else if (strcmp(*args, "srst_only") == 0) tmp = RESET_HAS_SRST; else if (strcmp(*args, "trst_and_srst") == 0) tmp = RESET_HAS_TRST | RESET_HAS_SRST; else m = 0; if (mask & m) { LOG_ERROR("extra reset_config %s spec (%s)", "signal", *args); return ERROR_INVALID_ARGUMENTS; } if (m) goto next; /* combination (options for broken wiring) */ m = RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST; if (strcmp(*args, "separate") == 0) /* separate reset lines - default */; else if (strcmp(*args, "srst_pulls_trst") == 0) tmp |= RESET_SRST_PULLS_TRST; else if (strcmp(*args, "trst_pulls_srst") == 0) tmp |= RESET_TRST_PULLS_SRST; else if (strcmp(*args, "combined") == 0) tmp |= RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST; else m = 0; if (mask & m) { LOG_ERROR("extra reset_config %s spec (%s)", "combination", *args); return ERROR_INVALID_ARGUMENTS; } if (m) goto next; /* trst_type (NOP without HAS_TRST) */ m = RESET_TRST_OPEN_DRAIN; if (strcmp(*args, "trst_open_drain") == 0) tmp |= RESET_TRST_OPEN_DRAIN; else if (strcmp(*args, "trst_push_pull") == 0) /* push/pull from adapter - default */; else m = 0; if (mask & m) { LOG_ERROR("extra reset_config %s spec (%s)", "trst_type", *args); return ERROR_INVALID_ARGUMENTS; } if (m) goto next; /* srst_type (NOP without HAS_SRST) */ m |= RESET_SRST_PUSH_PULL; if (strcmp(*args, "srst_push_pull") == 0) tmp |= RESET_SRST_PUSH_PULL; else if (strcmp(*args, "srst_open_drain") == 0) /* open drain from adapter - default */; else m = 0; if (mask & m) { LOG_ERROR("extra reset_config %s spec (%s)", "srst_type", *args); return ERROR_INVALID_ARGUMENTS; } if (m) goto next; /* caller provided nonsense; fail */ LOG_ERROR("unknown reset_config flag (%s)", *args); return ERROR_INVALID_ARGUMENTS; next: /* Remember the bits which were specified (mask) * and their new values (new_cfg). */ mask |= m; new_cfg |= tmp; } /* clear previous values of those bits, save new values */ enum reset_types old_cfg = jtag_get_reset_config(); old_cfg &= ~mask; new_cfg |= old_cfg; jtag_set_reset_config(new_cfg); return ERROR_OK; } static int handle_jtag_nsrst_delay_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { if (argc > 1) return ERROR_COMMAND_SYNTAX_ERROR; if (argc == 1) jtag_set_nsrst_delay(strtoul(args[0], NULL, 0)); command_print(cmd_ctx, "jtag_nsrst_delay: %u", jtag_get_nsrst_delay()); return ERROR_OK; } static int handle_jtag_ntrst_delay_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { if (argc > 1) return ERROR_COMMAND_SYNTAX_ERROR; if (argc == 1) jtag_set_ntrst_delay(strtoul(args[0], NULL, 0)); command_print(cmd_ctx, "jtag_ntrst_delay: %u", jtag_get_ntrst_delay()); return ERROR_OK; } static int handle_jtag_speed_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { int retval = ERROR_OK; if (argc > 1) return ERROR_COMMAND_SYNTAX_ERROR; if (argc == 1) { LOG_DEBUG("handle jtag speed"); int cur_speed = 0; cur_speed = strtoul(args[0], NULL, 0); retval = jtag_set_speed(cur_speed); } command_print(cmd_ctx, "jtag_speed: %d", jtag_get_speed()); return retval; } static int handle_jtag_khz_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { if (argc > 1) return ERROR_COMMAND_SYNTAX_ERROR; int retval = ERROR_OK; if (argc == 1) { retval = jtag_config_khz(strtoul(args[0], NULL, 0)); if (ERROR_OK != retval) return retval; } int cur_speed; retval = jtag_get_speed_readable(&cur_speed); if (ERROR_OK != retval) return retval; if (cur_speed) command_print(cmd_ctx, "%d kHz", cur_speed); else command_print(cmd_ctx, "RCLK - adaptive"); return retval; } static int handle_jtag_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { if (argc != 2) return ERROR_COMMAND_SYNTAX_ERROR; int trst = -1; if (args[0][0] == '1') trst = 1; else if (args[0][0] == '0') trst = 0; else return ERROR_COMMAND_SYNTAX_ERROR; int srst = -1; if (args[1][0] == '1') srst = 1; else if (args[1][0] == '0') srst = 0; else return ERROR_COMMAND_SYNTAX_ERROR; if (jtag_interface_init(cmd_ctx) != ERROR_OK) return ERROR_JTAG_INIT_FAILED; jtag_add_reset(trst, srst); jtag_execute_queue(); return ERROR_OK; } static int handle_runtest_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { if (argc != 1) return ERROR_COMMAND_SYNTAX_ERROR; jtag_add_runtest(strtol(args[0], NULL, 0), jtag_get_end_state()); jtag_execute_queue(); return ERROR_OK; } /* * For "irscan" or "drscan" commands, the "end" (really, "next") state * should be stable ... and *NOT* a shift state, otherwise free-running * jtag clocks could change the values latched by the update state. */ static bool scan_is_safe(tap_state_t state) { switch (state) { case TAP_RESET: case TAP_IDLE: case TAP_DRPAUSE: case TAP_IRPAUSE: return true; default: return false; } } static int handle_irscan_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { int i; scan_field_t *fields; jtag_tap_t *tap; tap_state_t endstate; if ((argc < 2) || (argc % 2)) { return ERROR_COMMAND_SYNTAX_ERROR; } /* optional "-endstate" "statename" at the end of the arguments, * so that e.g. IRPAUSE can let us load the data register before * entering RUN/IDLE to execute the instruction we load here. */ endstate = TAP_IDLE; if( argc >= 4 ){ /* have at least one pair of numbers. */ /* is last pair the magic text? */ if( 0 == strcmp( "-endstate", args[ argc - 2 ] ) ){ const char *cpA; const char *cpS; cpA = args[ argc-1 ]; for( endstate = 0 ; endstate < TAP_NUM_STATES ; endstate++ ){ cpS = tap_state_name( endstate ); if( 0 == strcmp( cpA, cpS ) ){ break; } } if( endstate >= TAP_NUM_STATES ){ return ERROR_COMMAND_SYNTAX_ERROR; } else { if (!scan_is_safe(endstate)) LOG_WARNING("irscan with unsafe " "endstate \"%s\"", cpA); /* found - remove the last 2 args */ argc -= 2; } } } int num_fields = argc / 2; fields = malloc(sizeof(scan_field_t) * num_fields); for (i = 0; i < num_fields; i++) { tap = jtag_tap_by_string( args[i*2] ); if (tap==NULL) { command_print( cmd_ctx, "Tap: %s unknown", args[i*2] ); return ERROR_FAIL; } int field_size = tap->ir_length; fields[i].tap = tap; fields[i].num_bits = field_size; fields[i].out_value = malloc(CEIL(field_size, 8)); buf_set_u32(fields[i].out_value, 0, field_size, strtoul(args[i*2+1], NULL, 0)); fields[i].in_value = NULL; } /* did we have an endstate? */ jtag_add_ir_scan(num_fields, fields, endstate); int retval=jtag_execute_queue(); for (i = 0; i < num_fields; i++) free(fields[i].out_value); free (fields); return retval; } static int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *args) { int retval; scan_field_t *fields; int num_fields; int field_count = 0; int i, e; jtag_tap_t *tap; tap_state_t endstate; /* args[1] = device * args[2] = num_bits * args[3] = hex string * ... repeat num bits and hex string ... * * .. optionally: * args[N-2] = "-endstate" * args[N-1] = statename */ if ((argc < 4) || ((argc % 2)!=0)) { Jim_WrongNumArgs(interp, 1, args, "wrong arguments"); return JIM_ERR; } endstate = TAP_IDLE; /* validate arguments as numbers */ e = JIM_OK; for (i = 2; i < argc; i+=2) { long bits; const char *cp; e = Jim_GetLong(interp, args[i], &bits); /* If valid - try next arg */ if( e == JIM_OK ){ continue; } /* Not valid.. are we at the end? */ if ( ((i+2) != argc) ){ /* nope, then error */ return e; } /* it could be: "-endstate FOO" * e.g. DRPAUSE so we can issue more instructions * before entering RUN/IDLE and executing them. */ /* get arg as a string. */ cp = Jim_GetString( args[i], NULL ); /* is it the magic? */ if( 0 == strcmp( "-endstate", cp ) ){ /* is the statename valid? */ cp = Jim_GetString( args[i+1], NULL ); /* see if it is a valid state name */ endstate = tap_state_by_name(cp); if( endstate < 0 ){ /* update the error message */ Jim_SetResult_sprintf(interp,"endstate: %s invalid", cp ); } else { if (!scan_is_safe(endstate)) LOG_WARNING("drscan with unsafe " "endstate \"%s\"", cp); /* valid - so clear the error */ e = JIM_OK; /* and remove the last 2 args */ argc -= 2; } } /* Still an error? */ if( e != JIM_OK ){ return e; /* too bad */ } } /* validate args */ tap = jtag_tap_by_jim_obj( interp, args[1] ); if( tap == NULL ){ return JIM_ERR; } num_fields=(argc-2)/2; fields = malloc(sizeof(scan_field_t) * num_fields); for (i = 2; i < argc; i+=2) { long bits; int len; const char *str; Jim_GetLong(interp, args[i], &bits); str = Jim_GetString(args[i+1], &len); fields[field_count].tap = tap; fields[field_count].num_bits = bits; fields[field_count].out_value = malloc(CEIL(bits, 8)); str_to_buf(str, len, fields[field_count].out_value, bits, 0); fields[field_count].in_value = fields[field_count].out_value; field_count++; } jtag_add_dr_scan(num_fields, fields, endstate); retval = jtag_execute_queue(); if (retval != ERROR_OK) { Jim_SetResultString(interp, "drscan: jtag execute failed",-1); return JIM_ERR; } field_count=0; Jim_Obj *list = Jim_NewListObj(interp, NULL, 0); for (i = 2; i < argc; i+=2) { long bits; char *str; Jim_GetLong(interp, args[i], &bits); str = buf_to_str(fields[field_count].in_value, bits, 16); free(fields[field_count].out_value); Jim_ListAppendElement(interp, list, Jim_NewStringObj(interp, str, strlen(str))); free(str); field_count++; } Jim_SetResult(interp, list); free(fields); return JIM_OK; } static int Jim_Command_pathmove(Jim_Interp *interp, int argc, Jim_Obj *const *args) { tap_state_t states[8]; if ((argc < 2) || ((size_t)argc > (sizeof(states)/sizeof(*states)+1))) { Jim_WrongNumArgs(interp, 1, args, "wrong arguments"); return JIM_ERR; } int i; for (i=0; i 1) return ERROR_COMMAND_SYNTAX_ERROR; if (argc == 1) { if (strcmp(args[0], "enable") == 0) jtag_set_verify_capture_ir(true); else if (strcmp(args[0], "disable") == 0) jtag_set_verify_capture_ir(false); else return ERROR_COMMAND_SYNTAX_ERROR; } const char *status = jtag_will_verify_capture_ir() ? "enabled": "disabled"; command_print(cmd_ctx, "verify Capture-IR is %s", status); return ERROR_OK; } static int handle_verify_jtag_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { if (argc > 1) return ERROR_COMMAND_SYNTAX_ERROR; if (argc == 1) { if (strcmp(args[0], "enable") == 0) jtag_set_verify(true); else if (strcmp(args[0], "disable") == 0) jtag_set_verify(false); else return ERROR_COMMAND_SYNTAX_ERROR; } const char *status = jtag_will_verify() ? "enabled": "disabled"; command_print(cmd_ctx, "verify jtag capture is %s", status); return ERROR_OK; } static int handle_tms_sequence_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { if (argc > 1) return ERROR_COMMAND_SYNTAX_ERROR; if (argc == 1) { bool use_new_table; if (strcmp(args[0], "short") == 0) use_new_table = true; else if (strcmp(args[0], "long") == 0) use_new_table = false; else return ERROR_COMMAND_SYNTAX_ERROR; tap_use_new_tms_table(use_new_table); } command_print(cmd_ctx, "tms sequence is %s", tap_uses_new_tms_table() ? "short": "long"); return ERROR_OK; }