* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
- * Copyright (C) 2007,2008 Øyvind Harboe *
+ * Copyright (C) 2007,2008 Øyvind Harboe *
* oyvind.harboe@zylin.com *
* *
* Copyright (C) 2009 SoftPLC Corporation *
#include "jtag.h"
#include "minidriver.h"
#include "interface.h"
+#include "interfaces.h"
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
-extern bool hasKHz;
+static const Jim_Nvp nvp_jtag_tap_event[] = {
+ { .value = JTAG_TRST_ASSERTED, .name = "post-reset" },
+ { .value = JTAG_TAP_EVENT_SETUP, .name = "setup" },
+ { .value = JTAG_TAP_EVENT_ENABLE, .name = "tap-enable" },
+ { .value = JTAG_TAP_EVENT_DISABLE, .name = "tap-disable" },
-extern const Jim_Nvp nvp_jtag_tap_event[];
-
-/* 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,
+ { .name = NULL, .value = -1 }
};
-extern struct jtag_interface_s *jtag;
-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_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);
+extern struct jtag_interface *jtag_interface;
enum jtag_tap_cfg_param {
JCFG_EVENT
{ .name = NULL, .value = -1 }
};
-static int jtag_tap_configure_cmd( Jim_GetOptInfo *goi, jtag_tap_t * tap)
+static int jtag_tap_configure_cmd(Jim_GetOptInfo *goi, struct jtag_tap * tap)
{
Jim_Nvp *n;
Jim_Obj *o;
switch (n->value) {
case JCFG_EVENT:
if (goi->argc == 0) {
- Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ..." );
+ Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
return JIM_ERR;
}
- e = Jim_GetOpt_Nvp( goi, nvp_jtag_tap_event, &n );
+ 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;
}
{
- jtag_tap_event_action_t *jteap;
+ struct jtag_tap_event_action *jteap;
jteap = tap->event_action;
/* replace existing? */
while (jteap) {
- if (jteap->event == (enum jtag_tap_event)n->value) {
+ if (jteap->event == (enum jtag_event)n->value) {
break;
}
jteap = jteap->next;
}
if (goi->isconfigure) {
+ bool replace = true;
if (jteap == NULL) {
/* create new */
jteap = calloc(1, sizeof (*jteap));
+ replace = false;
}
jteap->event = n->value;
- Jim_GetOpt_Obj( goi, &o);
+ 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;
+ if (!replace)
+ {
+ /* add to head of event list */
+ jteap->next = tap->event_action;
+ tap->event_action = jteap;
+ }
Jim_SetEmptyResult(goi->interp);
} else {
/* get */
return JIM_OK;
}
+static int is_bad_irval(int ir_length, jim_wide w)
+{
+ jim_wide v = 1;
-extern void jtag_tap_init(jtag_tap_t *tap);
-extern void jtag_tap_free(jtag_tap_t *tap);
+ v <<= ir_length;
+ v -= 1;
+ v = ~v;
+ return (w & v) != 0;
+}
-static int jim_newtap_cmd( Jim_GetOptInfo *goi )
+static int jim_newtap_cmd(Jim_GetOptInfo *goi)
{
- jtag_tap_t *pTap;
+ struct jtag_tap *pTap;
jim_wide w;
int x;
int e;
- int reqbits;
Jim_Nvp *n;
char *cp;
const Jim_Nvp opts[] = {
{ .name = NULL , .value = -1 },
};
- pTap = malloc( sizeof(jtag_tap_t) );
- memset( pTap, 0, sizeof(*pTap) );
- if( !pTap ){
- Jim_SetResult_sprintf( goi->interp, "no memory");
+ pTap = calloc(1, sizeof(struct jtag_tap));
+ if (!pTap) {
+ Jim_SetResult_sprintf(goi->interp, "no memory");
return JIM_ERR;
}
+
/*
* we expect CHIP + TAP + OPTIONS
* */
- if( goi->argc < 3 ){
+ if (goi->argc < 3) {
Jim_SetResult_sprintf(goi->interp, "Missing CHIP TAP OPTIONS ....");
+ free(pTap);
return JIM_ERR;
}
- Jim_GetOpt_String( goi, &cp, NULL );
+ Jim_GetOpt_String(goi, &cp, NULL);
pTap->chip = strdup(cp);
- Jim_GetOpt_String( goi, &cp, NULL );
+ 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 );
+ 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);
+ /* IEEE specifies that the two LSBs of an IR scan are 01, so make
+ * that the default. The "-irlen" and "-irmask" options are only
+ * needed to cope with nonstandard TAPs, or to specify more bits.
+ */
+ pTap->ir_capture_mask = 0x03;
+ pTap->ir_capture_value = 0x01;
- while( goi->argc ){
- e = Jim_GetOpt_Nvp( goi, opts, &n );
- if( e != JIM_OK ){
- Jim_GetOpt_NvpUnknown( goi, opts, 0 );
+ while (goi->argc) {
+ e = Jim_GetOpt_Nvp(goi, opts, &n);
+ if (e != JIM_OK) {
+ Jim_GetOpt_NvpUnknown(goi, opts, 0);
+ free((void *)pTap->dotted_name);
+ free(pTap);
return e;
}
- LOG_DEBUG("Processing option: %s", n->name );
- switch( n->value ){
+ LOG_DEBUG("Processing option: %s", n->name);
+ switch (n->value) {
case NTAP_OPT_ENABLED:
- pTap->enabled = 1;
+ pTap->disabled_after_reset = false;
break;
case NTAP_OPT_DISABLED:
- pTap->enabled = 0;
+ pTap->disabled_after_reset = true;
break;
case NTAP_OPT_EXPECTED_ID:
{
- u32 *new_expected_ids;
+ uint32_t *new_expected_ids;
- e = Jim_GetOpt_Wide( goi, &w );
- if( e != JIM_OK) {
+ e = Jim_GetOpt_Wide(goi, &w);
+ if (e != JIM_OK) {
Jim_SetResult_sprintf(goi->interp, "option: %s bad parameter", n->name);
+ free((void *)pTap->dotted_name);
+ free(pTap);
return e;
}
- new_expected_ids = malloc(sizeof(u32) * (pTap->expected_ids_cnt + 1));
+ new_expected_ids = malloc(sizeof(uint32_t) * (pTap->expected_ids_cnt + 1));
if (new_expected_ids == NULL) {
- Jim_SetResult_sprintf( goi->interp, "no memory");
+ Jim_SetResult_sprintf(goi->interp, "no memory");
+ free((void *)pTap->dotted_name);
+ free(pTap);
return JIM_ERR;
}
- memcpy(new_expected_ids, pTap->expected_ids, sizeof(u32) * pTap->expected_ids_cnt);
+ memcpy(new_expected_ids, pTap->expected_ids, sizeof(uint32_t) * pTap->expected_ids_cnt);
new_expected_ids[pTap->expected_ids_cnt] = w;
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 );
+ e = Jim_GetOpt_Wide(goi, &w);
+ if (e != JIM_OK) {
+ Jim_SetResult_sprintf(goi->interp, "option: %s bad parameter", n->name);
+ free((void *)pTap->dotted_name);
+ free(pTap);
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){
+ switch (n->value) {
case NTAP_OPT_IRLEN:
+ if (w > (jim_wide) (8 * sizeof(pTap->ir_capture_value)))
+ LOG_WARNING("%s: huge IR length %d",
+ pTap->dotted_name,
+ (int) w);
pTap->ir_length = w;
- reqbits &= (~(NTREQ_IRLEN));
break;
case NTAP_OPT_IRMASK:
+ if (is_bad_irval(pTap->ir_length, w)) {
+ LOG_ERROR("%s: IR mask %x too big",
+ pTap->dotted_name,
+ (int) w);
+ free((void *)pTap->dotted_name);
+ free(pTap);
+ return ERROR_FAIL;
+ }
+ if ((w & 3) != 3)
+ LOG_WARNING("%s: nonstandard IR mask",
+ pTap->dotted_name);
pTap->ir_capture_mask = w;
- reqbits &= (~(NTREQ_IRMASK));
break;
case NTAP_OPT_IRCAPTURE:
+ if (is_bad_irval(pTap->ir_length, w)) {
+ LOG_ERROR("%s: IR capture %x too big",
+ pTap->dotted_name,
+ (int) w);
+ free((void *)pTap->dotted_name);
+ free(pTap);
+ return ERROR_FAIL;
+ }
+ if ((w & 3) != 1)
+ LOG_WARNING("%s: nonstandard IR value",
+ pTap->dotted_name);
pTap->ir_capture_value = w;
- reqbits &= (~(NTREQ_IRCAPTURE));
break;
}
- } /* switch(n->value) */
- } /* while( goi->argc ) */
+ } /* switch (n->value) */
+ } /* while (goi->argc) */
+
+ /* default is enabled-after-reset */
+ pTap->enabled = !pTap->disabled_after_reset;
/* Did all the required option bits get cleared? */
- if (0 == reqbits)
+ if (pTap->ir_length != 0)
{
jtag_tap_init(pTap);
return ERROR_OK;
}
Jim_SetResult_sprintf(goi->interp,
- "newtap: %s missing required parameters",
+ "newtap: %s missing IR length",
pTap->dotted_name);
jtag_tap_free(pTap);
return JIM_ERR;
}
-static int jim_jtag_command( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
+static void jtag_tap_handle_event(struct jtag_tap *tap, enum jtag_event e)
+{
+ struct jtag_tap_event_action * jteap;
+
+ for (jteap = tap->event_action; jteap != NULL; jteap = jteap->next) {
+ if (jteap->event == e) {
+ LOG_DEBUG("JTAG tap: %s event: %d (%s)\n\taction: %s",
+ 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);
+ } else switch (e) {
+ case JTAG_TAP_EVENT_ENABLE:
+ case JTAG_TAP_EVENT_DISABLE:
+ /* NOTE: we currently assume the handlers
+ * can't fail. Right here is where we should
+ * really be verifying the scan chains ...
+ */
+ tap->enabled = (e == JTAG_TAP_EVENT_ENABLE);
+ LOG_INFO("JTAG tap: %s %s", tap->dotted_name,
+ tap->enabled ? "enabled" : "disabled");
+ break;
+ default:
+ break;
+ }
+ }
+ }
+}
+
+
+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;
+ struct command_context *context;
enum {
JTAG_CMD_INTERFACE,
+ JTAG_CMD_INIT,
JTAG_CMD_INIT_RESET,
JTAG_CMD_NEWTAP,
JTAG_CMD_TAPENABLE,
JTAG_CMD_TAPDISABLE,
JTAG_CMD_TAPISENABLED,
JTAG_CMD_CONFIGURE,
- JTAG_CMD_CGET
+ JTAG_CMD_CGET,
+ JTAG_CMD_NAMES,
};
const Jim_Nvp jtag_cmds[] = {
{ .name = "interface" , .value = JTAG_CMD_INTERFACE },
+ { .name = "arp_init" , .value = JTAG_CMD_INIT },
{ .name = "arp_init-reset", .value = JTAG_CMD_INIT_RESET },
{ .name = "newtap" , .value = JTAG_CMD_NEWTAP },
{ .name = "tapisenabled" , .value = JTAG_CMD_TAPISENABLED },
{ .name = "tapdisable" , .value = JTAG_CMD_TAPDISABLE },
{ .name = "configure" , .value = JTAG_CMD_CONFIGURE },
{ .name = "cget" , .value = JTAG_CMD_CGET },
+ { .name = "names" , .value = JTAG_CMD_NAMES },
{ .name = NULL, .value = -1 },
};
context = Jim_GetAssocData(interp, "context");
/* go past the command */
- Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
+ 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 );
+ 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 ){
+ 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)");
+ if (goi.argc != 0) {
+ Jim_WrongNumArgs(goi.interp, 1, goi.argv-1, "(no params)");
+ return JIM_ERR;
+ }
+ const char *name = jtag_interface ? jtag_interface->name : NULL;
+ Jim_SetResultString(goi.interp, name ? : "undefined", -1);
+ return JIM_OK;
+ case JTAG_CMD_INIT:
+ if (goi.argc != 0) {
+ Jim_WrongNumArgs(goi.interp, 1, goi.argv-1, "(no params)");
+ return JIM_ERR;
+ }
+ e = jtag_init_inner(context);
+ if (e != ERROR_OK) {
+ Jim_SetResult_sprintf(goi.interp, "error: %d", e);
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)");
+ 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);
+ 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 );
+ 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 );
+ 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 ){
+ struct jtag_tap *t;
+
+ t = jtag_tap_by_jim_obj(goi.interp, goi.argv[0]);
+ if (t == NULL)
return JIM_ERR;
- }
- switch( n->value ){
+
+ 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;
+ if (t->enabled)
+ break;
+ jtag_tap_handle_event(t, JTAG_TAP_EVENT_ENABLE);
+ if (!t->enabled)
+ break;
+
+ /* FIXME add JTAG sanity checks, w/o TLR
+ * - scan chain length grew by one (this)
+ * - IDs and IR lengths are as expected
+ */
+
+ jtag_call_event_callbacks(JTAG_TAP_EVENT_ENABLE);
break;
case JTAG_CMD_TAPDISABLE:
- jtag_tap_handle_event( t, JTAG_TAP_EVENT_DISABLE);
- e = 0;
- t->enabled = e;
+ if (!t->enabled)
+ break;
+ jtag_tap_handle_event(t, JTAG_TAP_EVENT_DISABLE);
+ if (t->enabled)
+ break;
+
+ /* FIXME add JTAG sanity checks, w/o TLR
+ * - scan chain length shrank by one (this)
+ * - IDs and IR lengths are as expected
+ */
+
+ jtag_call_event_callbacks(JTAG_TAP_EVENT_DISABLE);
break;
}
- Jim_SetResult( goi.interp, Jim_NewIntObj( goi.interp, e ) );
+ e = t->enabled;
+ 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 ...");
+ if (goi.argc < 2) {
+ Jim_WrongNumArgs(goi.interp, 0, NULL,
+ "cget tap_name queryparm");
return JIM_ERR;
}
{
- jtag_tap_t *t;
+ struct jtag_tap *t;
Jim_GetOpt_Obj(&goi, &o);
- t = jtag_tap_by_jim_obj( goi.interp, o );
- if( t == NULL ){
+ 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);
+ 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? ...");
+ if (goi.argc < 3) {
+ Jim_WrongNumArgs(goi.interp, 0, NULL,
+ "configure tap_name attribute value ...");
return JIM_ERR;
}
{
- jtag_tap_t *t;
+ struct jtag_tap *t;
Jim_GetOpt_Obj(&goi, &o);
- t = jtag_tap_by_jim_obj( goi.interp, o );
- if( t == NULL ){
+ 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 jtag_tap_configure_cmd(&goi, t);
+ }
+ break;
+
+ case JTAG_CMD_NAMES:
+ if (goi.argc != 0) {
+ Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
+ return JIM_ERR;
+ }
+ Jim_SetResult(goi.interp, Jim_NewListObj(goi.interp, NULL, 0));
+ {
+ struct jtag_tap *tap;
+
+ for (tap = jtag_all_taps(); tap; tap = tap->next_tap) {
+ Jim_ListAppendElement(goi.interp,
+ Jim_GetResult(goi.interp),
+ Jim_NewStringObj(goi.interp,
+ tap->dotted_name, -1));
+ }
+ return JIM_OK;
}
+ break;
+
}
return JIM_ERR;
}
-int jtag_register_commands(struct command_context_s *cmd_ctx)
+
+void jtag_notify_event(enum jtag_event event)
{
- 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 <ir_length> <ir_expected> <ir_mask>");
- 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 <ms> - delay after deasserting srst in ms");
- register_command(cmd_ctx, NULL, "jtag_ntrst_delay", handle_jtag_ntrst_delay_command,
- COMMAND_ANY, "jtag_ntrst_delay <ms> - 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 <trst> <srst>");
- register_command(cmd_ctx, NULL, "runtest", handle_runtest_command,
- COMMAND_EXEC, "move to Run-Test/Idle, and execute <num_cycles>");
- register_command(cmd_ctx, NULL, "irscan", handle_irscan_command,
- COMMAND_EXEC, "execute IR scan <device> <instr> [dev2] [instr2] ...");
- register_jim(cmd_ctx, "drscan", Jim_Command_drscan, "execute DR scan <device> <num_bits> <value> <num_bits1> <value2> ...");
- register_jim(cmd_ctx, "flush_count", Jim_Command_flush_count, "returns number of times the JTAG queue has been flushed");
-
- register_command(cmd_ctx, NULL, "verify_ircapture", handle_verify_ircapture_command,
- COMMAND_ANY, "verify value captured during Capture-IR <enable|disable>");
- register_command(cmd_ctx, NULL, "verify_jtag", handle_verify_jtag_command,
- COMMAND_ANY, "verify value capture <enable|disable>");
- register_command(cmd_ctx, NULL, "tms_sequence", handle_tms_sequence_command,
- COMMAND_ANY, "choose short(default) or long tms_sequence <short|long>");
- return ERROR_OK;
+ struct jtag_tap *tap;
+
+ for (tap = jtag_all_taps(); tap; tap = tap->next_tap)
+ jtag_tap_handle_event(tap, event);
}
+
static int default_khz(int khz, int *jtag_speed)
{
LOG_ERROR("Translation from khz to jtag_speed not implemented");
static int default_power_dropout(int *dropout)
{
- *dropout=0; /* by default we can't detect power 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 */
+ *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)
+COMMAND_HANDLER(handle_interface_list_command)
+{
+ if (strcmp(CMD_NAME, "interface_list") == 0 && CMD_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;
+}
+
+COMMAND_HANDLER(handle_interface_command)
{
/* check whether the interface is already configured */
if (jtag_interface)
}
/* interface name is a mandatory argument */
- if (argc != 1 || args[0][0] == '\0')
+ if (CMD_ARGC != 1 || CMD_ARGV[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)
+ if (strcmp(CMD_ARGV[0], jtag_interfaces[i]->name) != 0)
continue;
- int retval = jtag_interfaces[i]->register_commands(cmd_ctx);
+ int retval = jtag_interfaces[i]->register_commands(CMD_CTX);
if (ERROR_OK != retval)
return retval;
/* 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);
+ LOG_ERROR("The specified JTAG interface was not found (%s)", CMD_ARGV[0]);
+ CALL_COMMAND_HANDLER(handle_interface_list_command);
return ERROR_JTAG_INVALID_INTERFACE;
}
-static int handle_interface_list_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_scan_chain_command)
{
- 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;
+ struct jtag_tap *tap;
tap = jtag_all_taps();
- command_print(cmd_ctx, " TapName | Enabled | IdCode Expected IrLen IrCap IrMask Instr ");
- command_print(cmd_ctx, "---|--------------------|---------|------------|------------|------|------|------|---------");
+ 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;
+ while (tap) {
+ uint32_t 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,
+ 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);
+ (unsigned int)(tap->idcode),
+ (unsigned int)(tap->expected_ids_cnt > 0 ? tap->expected_ids[0] : 0),
+ (unsigned int)(tap->ir_length),
+ (unsigned int)(expected),
+ (unsigned int)(expected_mask),
+ (unsigned int)(cur_instr));
for (ii = 1; ii < tap->expected_ids_cnt; ii++) {
- command_print(cmd_ctx, " | | | | 0x%08x | | | | ",
- tap->expected_ids[ii]);
+ command_print(CMD_CTX, " | | | | 0x%08x | | | | ",
+ (unsigned int)(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)
+COMMAND_HANDLER(handle_reset_config_command)
{
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++) {
+ for (; CMD_ARGC; CMD_ARGC--, CMD_ARGV++) {
int tmp = 0;
int m;
+ /* gating */
+ m = RESET_SRST_NO_GATING;
+ if (strcmp(*CMD_ARGV, "srst_gates_jtag") == 0)
+ /* default: don't use JTAG while SRST asserted */;
+ else if (strcmp(*CMD_ARGV, "srst_nogate") == 0)
+ tmp = RESET_SRST_NO_GATING;
+ else
+ m = 0;
+ if (mask & m) {
+ LOG_ERROR("extra reset_config %s spec (%s)",
+ "gating", *CMD_ARGV);
+ return ERROR_INVALID_ARGUMENTS;
+ }
+ if (m)
+ goto next;
+
/* signals */
m = RESET_HAS_TRST | RESET_HAS_SRST;
- if (strcmp(*args, "none") == 0)
+ if (strcmp(*CMD_ARGV, "none") == 0)
tmp = RESET_NONE;
- else if (strcmp(*args, "trst_only") == 0)
+ else if (strcmp(*CMD_ARGV, "trst_only") == 0)
tmp = RESET_HAS_TRST;
- else if (strcmp(*args, "srst_only") == 0)
+ else if (strcmp(*CMD_ARGV, "srst_only") == 0)
tmp = RESET_HAS_SRST;
- else if (strcmp(*args, "trst_and_srst") == 0)
+ else if (strcmp(*CMD_ARGV, "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);
+ "signal", *CMD_ARGV);
return ERROR_INVALID_ARGUMENTS;
}
if (m)
/* combination (options for broken wiring) */
m = RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST;
- if (strcmp(*args, "separate") == 0)
+ if (strcmp(*CMD_ARGV, "separate") == 0)
/* separate reset lines - default */;
- else if (strcmp(*args, "srst_pulls_trst") == 0)
+ else if (strcmp(*CMD_ARGV, "srst_pulls_trst") == 0)
tmp |= RESET_SRST_PULLS_TRST;
- else if (strcmp(*args, "trst_pulls_srst") == 0)
+ else if (strcmp(*CMD_ARGV, "trst_pulls_srst") == 0)
tmp |= RESET_TRST_PULLS_SRST;
- else if (strcmp(*args, "combined") == 0)
+ else if (strcmp(*CMD_ARGV, "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);
+ "combination", *CMD_ARGV);
return ERROR_INVALID_ARGUMENTS;
}
if (m)
/* trst_type (NOP without HAS_TRST) */
m = RESET_TRST_OPEN_DRAIN;
- if (strcmp(*args, "trst_open_drain") == 0)
+ if (strcmp(*CMD_ARGV, "trst_open_drain") == 0)
tmp |= RESET_TRST_OPEN_DRAIN;
- else if (strcmp(*args, "trst_push_pull") == 0)
+ else if (strcmp(*CMD_ARGV, "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);
+ "trst_type", *CMD_ARGV);
return ERROR_INVALID_ARGUMENTS;
}
if (m)
/* srst_type (NOP without HAS_SRST) */
m |= RESET_SRST_PUSH_PULL;
- if (strcmp(*args, "srst_push_pull") == 0)
+ if (strcmp(*CMD_ARGV, "srst_push_pull") == 0)
tmp |= RESET_SRST_PUSH_PULL;
- else if (strcmp(*args, "srst_open_drain") == 0)
+ else if (strcmp(*CMD_ARGV, "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);
+ "srst_type", *CMD_ARGV);
return ERROR_INVALID_ARGUMENTS;
}
if (m)
goto next;
/* caller provided nonsense; fail */
- LOG_ERROR("unknown reset_config flag (%s)", *args);
+ LOG_ERROR("unknown reset_config flag (%s)", *CMD_ARGV);
return ERROR_INVALID_ARGUMENTS;
next:
}
/* 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);
+ if (mask) {
+ int old_cfg = jtag_get_reset_config();
+
+ old_cfg &= ~mask;
+ new_cfg |= old_cfg;
+ jtag_set_reset_config(new_cfg);
+ } else
+ new_cfg = jtag_get_reset_config();
+
+
+ /*
+ * Display the (now-)current reset mode
+ */
+ char *modes[5];
+
+ /* minimal JTAG has neither SRST nor TRST (so that's the default) */
+ switch (new_cfg & (RESET_HAS_TRST | RESET_HAS_SRST)) {
+ case RESET_HAS_SRST:
+ modes[0] = "srst_only";
+ break;
+ case RESET_HAS_TRST:
+ modes[0] = "trst_only";
+ break;
+ case RESET_TRST_AND_SRST:
+ modes[0] = "trst_and_srst";
+ break;
+ default:
+ modes[0] = "none";
+ break;
+ }
+
+ /* normally SRST and TRST are decoupled; but bugs happen ... */
+ switch (new_cfg & (RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST)) {
+ case RESET_SRST_PULLS_TRST:
+ modes[1] = "srst_pulls_trst";
+ break;
+ case RESET_TRST_PULLS_SRST:
+ modes[1] = "trst_pulls_srst";
+ break;
+ case RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST:
+ modes[1] = "combined";
+ break;
+ default:
+ modes[1] = "separate";
+ break;
+ }
+
+ /* TRST-less connectors include Altera, Xilinx, and minimal JTAG */
+ if (new_cfg & RESET_HAS_TRST) {
+ if (new_cfg & RESET_TRST_OPEN_DRAIN)
+ modes[3] = " trst_open_drain";
+ else
+ modes[3] = " trst_push_pull";
+ } else
+ modes[3] = "";
+
+ /* SRST-less connectors include TI-14, Xilinx, and minimal JTAG */
+ if (new_cfg & RESET_HAS_SRST) {
+ if (new_cfg & RESET_SRST_NO_GATING)
+ modes[2] = " srst_nogate";
+ else
+ modes[2] = " srst_gates_jtag";
+
+ if (new_cfg & RESET_SRST_PUSH_PULL)
+ modes[4] = " srst_push_pull";
+ else
+ modes[4] = " srst_open_drain";
+ } else {
+ modes[2] = "";
+ modes[4] = "";
+ }
+
+ command_print(CMD_CTX, "%s %s%s%s%s",
+ modes[0], modes[1],
+ modes[2], modes[3], modes[4]);
return ERROR_OK;
}
-static int handle_jtag_nsrst_delay_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_jtag_nsrst_delay_command)
{
- if (argc > 1)
+ if (CMD_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());
+ if (CMD_ARGC == 1)
+ {
+ unsigned delay;
+ COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], delay);
+
+ jtag_set_nsrst_delay(delay);
+ }
+ 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)
+COMMAND_HANDLER(handle_jtag_ntrst_delay_command)
{
- if (argc > 1)
+ if (CMD_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());
+ if (CMD_ARGC == 1)
+ {
+ unsigned delay;
+ COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], delay);
+
+ jtag_set_ntrst_delay(delay);
+ }
+ 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)
+COMMAND_HANDLER(handle_jtag_nsrst_assert_width_command)
{
- int retval = ERROR_OK;
-
- if (argc > 1)
+ if (CMD_ARGC > 1)
return ERROR_COMMAND_SYNTAX_ERROR;
- if (argc == 1)
+ if (CMD_ARGC == 1)
{
- LOG_DEBUG("handle jtag speed");
-
- int cur_speed = 0;
- cur_speed = strtoul(args[0], NULL, 0);
- retval = jtag_set_speed(cur_speed);
+ unsigned delay;
+ COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], delay);
+ jtag_set_nsrst_assert_width(delay);
}
- command_print(cmd_ctx, "jtag_speed: %d", jtag_get_speed());
+ command_print(CMD_CTX, "jtag_nsrst_assert_width: %u", jtag_get_nsrst_assert_width());
+ return ERROR_OK;
+}
- return retval;
+COMMAND_HANDLER(handle_jtag_ntrst_assert_width_command)
+{
+ if (CMD_ARGC > 1)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ if (CMD_ARGC == 1)
+ {
+ unsigned delay;
+ COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], delay);
+
+ jtag_set_ntrst_assert_width(delay);
+ }
+ command_print(CMD_CTX, "jtag_ntrst_assert_width: %u", jtag_get_ntrst_assert_width());
+ return ERROR_OK;
}
-static int handle_jtag_khz_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_jtag_khz_command)
{
- if (argc > 1)
+ if (CMD_ARGC > 1)
return ERROR_COMMAND_SYNTAX_ERROR;
int retval = ERROR_OK;
- int cur_speed = 0;
- if (argc == 1)
+ if (CMD_ARGC == 1)
{
- LOG_DEBUG("handle jtag khz");
+ unsigned khz = 0;
+ COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], khz);
- jtag_set_speed_khz(strtoul(args[0], NULL, 0));
- if (jtag != NULL)
- {
- LOG_DEBUG("have interface set up");
- int speed_div1;
- retval = jtag->khz(jtag_get_speed_khz(), &speed_div1);
- if (ERROR_OK != retval)
- {
- jtag_set_speed_khz(0);
- return retval;
- }
- cur_speed = speed_div1;
-
- retval = jtag_set_speed(cur_speed);
- }
- else
- hasKHz = true;
+ retval = jtag_config_khz(khz);
+ if (ERROR_OK != retval)
+ return retval;
}
- cur_speed = jtag_get_speed_khz();
- if (jtag != NULL)
+ int cur_speed = jtag_get_speed_khz();
+ 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;
+}
+
+COMMAND_HANDLER(handle_jtag_rclk_command)
+{
+ if (CMD_ARGC > 1)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ int retval = ERROR_OK;
+ if (CMD_ARGC == 1)
{
- retval = jtag->speed_div(jtag_get_speed(), &cur_speed);
+ unsigned khz = 0;
+ COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], khz);
+
+ retval = jtag_config_rclk(khz);
if (ERROR_OK != retval)
return retval;
}
- if (cur_speed)
- command_print(cmd_ctx, "%d kHz", cur_speed);
+ int cur_khz = jtag_get_speed_khz();
+ retval = jtag_get_speed_readable(&cur_khz);
+ if (ERROR_OK != retval)
+ return retval;
+
+ if (cur_khz)
+ command_print(CMD_CTX, "RCLK not supported - fallback to %d kHz", cur_khz);
else
- command_print(cmd_ctx, "RCLK - adaptive");
- return retval;
+ 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)
+COMMAND_HANDLER(handle_jtag_reset_command)
{
- if (argc != 2)
+ if (CMD_ARGC != 2)
return ERROR_COMMAND_SYNTAX_ERROR;
int trst = -1;
- if (args[0][0] == '1')
+ if (CMD_ARGV[0][0] == '1')
trst = 1;
- else if (args[0][0] == '0')
+ else if (CMD_ARGV[0][0] == '0')
trst = 0;
else
return ERROR_COMMAND_SYNTAX_ERROR;
int srst = -1;
- if (args[1][0] == '1')
+ if (CMD_ARGV[1][0] == '1')
srst = 1;
- else if (args[1][0] == '0')
+ else if (CMD_ARGV[1][0] == '0')
srst = 0;
else
return ERROR_COMMAND_SYNTAX_ERROR;
- if (jtag_interface_init(cmd_ctx) != ERROR_OK)
+ if (jtag_interface_init(CMD_CTX) != ERROR_OK)
return ERROR_JTAG_INIT_FAILED;
jtag_add_reset(trst, srst);
- jtag_execute_queue();
-
- return ERROR_OK;
+ return jtag_execute_queue();
}
-static int handle_runtest_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_runtest_command)
{
- if (argc != 1)
+ if (CMD_ARGC != 1)
return ERROR_COMMAND_SYNTAX_ERROR;
- jtag_add_runtest(strtol(args[0], NULL, 0), jtag_get_end_state());
- jtag_execute_queue();
+ unsigned num_clocks;
+ COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], num_clocks);
- return ERROR_OK;
+ jtag_add_runtest(num_clocks, TAP_IDLE);
+ return jtag_execute_queue();
}
/*
* 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.
+ * Not surprisingly, this is the same constraint as SVF; the "irscan"
+ * and "drscan" commands are a write-only subset of what SVF provides.
*/
static bool scan_is_safe(tap_state_t state)
{
}
-static int handle_irscan_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_irscan_command)
{
int i;
- scan_field_t *fields;
- jtag_tap_t *tap;
+ struct scan_field *fields;
+ struct jtag_tap *tap;
tap_state_t endstate;
- if ((argc < 2) || (argc % 2))
+ if ((CMD_ARGC < 2) || (CMD_ARGC % 2))
{
return ERROR_COMMAND_SYNTAX_ERROR;
}
*/
endstate = TAP_IDLE;
- if( argc >= 4 ){
+ if (CMD_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 ){
+ if (strcmp("-endstate", CMD_ARGV[CMD_ARGC - 2]) == 0) {
+ endstate = tap_state_by_name(CMD_ARGV[CMD_ARGC - 1]);
+ if (endstate == TAP_INVALID)
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;
- }
+ if (!scan_is_safe(endstate))
+ LOG_WARNING("unstable irscan endstate \"%s\"",
+ CMD_ARGV[CMD_ARGC - 1]);
+ CMD_ARGC -= 2;
}
}
- int num_fields = argc / 2;
-
- fields = malloc(sizeof(scan_field_t) * num_fields);
+ int num_fields = CMD_ARGC / 2;
+ size_t fields_len = sizeof(struct scan_field) * num_fields;
+ fields = malloc(fields_len);
+ memset(fields, 0, fields_len);
+ int retval;
for (i = 0; i < num_fields; i++)
{
- tap = jtag_tap_by_string( args[i*2] );
- if (tap==NULL)
+ tap = jtag_tap_by_string(CMD_ARGV[i*2]);
+ if (tap == NULL)
{
- command_print( cmd_ctx, "Tap: %s unknown", args[i*2] );
+ int j;
+ for (j = 0; j < i; j++)
+ free(fields[j].out_value);
+ free(fields);
+ command_print(CMD_CTX, "Tap: %s unknown", CMD_ARGV[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].out_value = malloc(DIV_ROUND_UP(field_size, 8));
+
+ uint32_t value;
+ retval = parse_u32(CMD_ARGV[i * 2 + 1], &value);
+ if (ERROR_OK != retval)
+ goto error_return;
+ buf_set_u32(fields[i].out_value, 0, field_size, value);
fields[i].in_value = NULL;
}
/* did we have an endstate? */
jtag_add_ir_scan(num_fields, fields, endstate);
- int retval=jtag_execute_queue();
+ retval = jtag_execute_queue();
+error_return:
for (i = 0; i < num_fields; i++)
- free(fields[i].out_value);
+ {
+ if (NULL != fields[i].out_value)
+ free(fields[i].out_value);
+ }
free (fields);
static int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *args)
{
int retval;
- scan_field_t *fields;
+ struct scan_field *fields;
int num_fields;
int field_count = 0;
int i, e;
- jtag_tap_t *tap;
+ struct jtag_tap *tap;
tap_state_t endstate;
/* args[1] = device
* args[N-2] = "-endstate"
* args[N-1] = statename
*/
- if ((argc < 4) || ((argc % 2)!=0))
+ if ((argc < 4) || ((argc % 2) != 0))
{
Jim_WrongNumArgs(interp, 1, args, "wrong arguments");
return JIM_ERR;
endstate = TAP_IDLE;
+ script_debug(interp, "drscan", argc, args);
+
/* validate arguments as numbers */
e = JIM_OK;
- for (i = 2; i < argc; i+=2)
+ 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 ){
+ if (e == JIM_OK) {
continue;
}
/* Not valid.. are we at the end? */
- if ( ((i+2) != argc) ){
+ if (((i + 2) != argc)) {
/* nope, then error */
return e;
}
*/
/* get arg as a string. */
- cp = Jim_GetString( args[i], NULL );
+ cp = Jim_GetString(args[i], NULL);
/* is it the magic? */
- if( 0 == strcmp( "-endstate", cp ) ){
+ if (0 == strcmp("-endstate", cp)) {
/* is the statename valid? */
- cp = Jim_GetString( args[i+1], NULL );
+ cp = Jim_GetString(args[i + 1], NULL);
/* see if it is a valid state name */
endstate = tap_state_by_name(cp);
- if( endstate < 0 ){
+ if (endstate < 0) {
/* update the error message */
- Jim_SetResult_sprintf(interp,"endstate: %s invalid", cp );
+ Jim_SetResult_sprintf(interp,"endstate: %s invalid", cp);
} else {
if (!scan_is_safe(endstate))
LOG_WARNING("drscan with unsafe "
}
/* Still an error? */
- if( e != JIM_OK ){
+ if (e != JIM_OK) {
return e; /* too bad */
}
} /* validate args */
- tap = jtag_tap_by_jim_obj( interp, args[1] );
- if( tap == NULL ){
+ 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)
+ num_fields = (argc-2)/2;
+ fields = malloc(sizeof(struct scan_field) * 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);
+ 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));
+ fields[field_count].out_value = malloc(DIV_ROUND_UP(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++;
return JIM_ERR;
}
- field_count=0;
+ field_count = 0;
Jim_Obj *list = Jim_NewListObj(interp, NULL, 0);
- for (i = 2; i < argc; i+=2)
+ for (i = 2; i < argc; i += 2)
{
long bits;
char *str;
}
+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;
+ }
+
+ script_debug(interp, "pathmove", argc, args);
+
+ int i;
+ for (i = 0; i < argc-1; i++)
+ {
+ const char *cp;
+ cp = Jim_GetString(args[i + 1], NULL);
+ states[i] = tap_state_by_name(cp);
+ if (states[i] < 0)
+ {
+ /* update the error message */
+ Jim_SetResult_sprintf(interp,"endstate: %s invalid", cp);
+ return JIM_ERR;
+ }
+ }
+
+ if ((jtag_add_statemove(states[0]) != ERROR_OK) || (jtag_execute_queue()!= ERROR_OK))
+ {
+ Jim_SetResultString(interp, "pathmove: jtag execute failed",-1);
+ return JIM_ERR;
+ }
+
+ jtag_add_pathmove(argc-2, states + 1);
+
+ if (jtag_execute_queue()!= ERROR_OK)
+ {
+ Jim_SetResultString(interp, "pathmove: failed",-1);
+ return JIM_ERR;
+ }
+
+ return JIM_OK;
+}
+
+
static int Jim_Command_flush_count(Jim_Interp *interp, int argc, Jim_Obj *const *args)
{
+ script_debug(interp, "flush_count", argc, args);
+
Jim_SetResult(interp, Jim_NewIntObj(interp, jtag_get_flush_queue_count()));
return JIM_OK;
}
-static int handle_verify_ircapture_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_verify_ircapture_command)
{
- if (argc == 1)
+ if (CMD_ARGC > 1)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ if (CMD_ARGC == 1)
{
- if (strcmp(args[0], "enable") == 0)
- {
- jtag_verify_capture_ir = 1;
- }
- else if (strcmp(args[0], "disable") == 0)
- {
- jtag_verify_capture_ir = 0;
- } else
- {
+ if (strcmp(CMD_ARGV[0], "enable") == 0)
+ jtag_set_verify_capture_ir(true);
+ else if (strcmp(CMD_ARGV[0], "disable") == 0)
+ jtag_set_verify_capture_ir(false);
+ else
return ERROR_COMMAND_SYNTAX_ERROR;
- }
- } else if (argc != 0)
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
}
- command_print(cmd_ctx, "verify Capture-IR is %s", (jtag_verify_capture_ir) ? "enabled": "disabled");
+ 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)
+COMMAND_HANDLER(handle_verify_jtag_command)
{
- if (argc > 1)
+ if (CMD_ARGC > 1)
return ERROR_COMMAND_SYNTAX_ERROR;
- if (argc == 1)
+ if (CMD_ARGC == 1)
{
- if (strcmp(args[0], "enable") == 0)
+ if (strcmp(CMD_ARGV[0], "enable") == 0)
jtag_set_verify(true);
- else if (strcmp(args[0], "disable") == 0)
+ else if (strcmp(CMD_ARGV[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);
+ 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)
+COMMAND_HANDLER(handle_tms_sequence_command)
{
- if (argc > 1)
+ if (CMD_ARGC > 1)
return ERROR_COMMAND_SYNTAX_ERROR;
- if (argc == 1)
+ if (CMD_ARGC == 1)
{
bool use_new_table;
- if (strcmp(args[0], "short") == 0)
+ if (strcmp(CMD_ARGV[0], "short") == 0)
use_new_table = true;
- else if (strcmp(args[0], "long") == 0)
+ else if (strcmp(CMD_ARGV[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",
+ command_print(CMD_CTX, "tms sequence is %s",
tap_uses_new_tms_table() ? "short": "long");
return ERROR_OK;
}
+int jtag_register_commands(struct command_context *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_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_rclk",
+ handle_jtag_rclk_command, COMMAND_ANY,
+ "fallback_speed_khz - set JTAG speed to RCLK or use fallback speed");
+ register_command(cmd_ctx, NULL, "reset_config",
+ handle_reset_config_command, COMMAND_ANY,
+ "reset_config "
+ "[none|trst_only|srst_only|trst_and_srst] "
+ "[srst_pulls_trst|trst_pulls_srst|combined|separate] "
+ "[srst_gates_jtag|srst_nogate] "
+ "[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 <ms> "
+ "- delay after deasserting srst in ms");
+ register_command(cmd_ctx, NULL, "jtag_ntrst_delay",
+ handle_jtag_ntrst_delay_command, COMMAND_ANY,
+ "jtag_ntrst_delay <ms> "
+ "- delay after deasserting trst in ms");
+
+ register_command(cmd_ctx, NULL, "jtag_nsrst_assert_width",
+ handle_jtag_nsrst_assert_width_command, COMMAND_ANY,
+ "jtag_nsrst_assert_width <ms> "
+ "- delay after asserting srst in ms");
+ register_command(cmd_ctx, NULL, "jtag_ntrst_assert_width",
+ handle_jtag_ntrst_assert_width_command, COMMAND_ANY,
+ "jtag_ntrst_assert_width <ms> "
+ "- delay after asserting 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 <trst> <srst>");
+ register_command(cmd_ctx, NULL, "runtest",
+ handle_runtest_command, COMMAND_EXEC,
+ "move to Run-Test/Idle, and execute <num_cycles>");
+ register_command(cmd_ctx, NULL, "irscan",
+ handle_irscan_command, COMMAND_EXEC,
+ "execute IR scan <device> <instr> [dev2] [instr2] ...");
+
+ register_jim(cmd_ctx, "drscan", Jim_Command_drscan,
+ "execute DR scan <device> "
+ "<num_bits> <value> <num_bits1> <value2> ...");
+
+ 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,
+ "<state1>,<state2>,<state3>... "
+ "- 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 <enable | disable>");
+ register_command(cmd_ctx, NULL, "verify_jtag",
+ handle_verify_jtag_command, COMMAND_ANY,
+ "verify value capture <enable | disable>");
+
+ register_command(cmd_ctx, NULL, "tms_sequence",
+ handle_tms_sequence_command, COMMAND_ANY,
+ "choose short(default) or long tms_sequence <short | long>");
+
+ return ERROR_OK;
+}
+
+
projects / fw / openocd / blobdiff