diff --git a/doc/openocd.texi b/doc/openocd.texi index feb433459fb9fa1b0031c9d0adfaa1016556aa17..81a913541d5513fa992435dd15655812e40cf537 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -3895,10 +3895,14 @@ devices do not set the ack bit until sometime later. @section Other TAP commands +@deffn Command {jtag cget} dotted.name @option{-idcode} +Get the value of the IDCODE found in hardware. +@end deffn + @deffn Command {jtag cget} dotted.name @option{-event} event_name @deffnx Command {jtag configure} dotted.name @option{-event} event_name handler At this writing this TAP attribute -mechanism is used only for event handling. +mechanism is limited and used mostly for event handling. (It is not a direct analogue of the @code{cget}/@code{configure} mechanism for debugger targets.) See the next section for information about the available events. diff --git a/src/jtag/tcl.c b/src/jtag/tcl.c index 768301470d2d90447afe13ce3cc99e5739fb11b9..71d220b82c0bb9847b7ffff5f0e18551bcf9ac5c 100644 --- a/src/jtag/tcl.c +++ b/src/jtag/tcl.c @@ -307,11 +307,13 @@ static const struct command_registration jtag_command_handlers_to_move[] = { enum jtag_tap_cfg_param { - JCFG_EVENT + JCFG_EVENT, + JCFG_IDCODE, }; static Jim_Nvp nvp_config_opts[] = { { .name = "-event", .value = JCFG_EVENT }, + { .name = "-idcode", .value = JCFG_IDCODE }, { .name = NULL, .value = -1 } }; @@ -404,8 +406,23 @@ static int jtag_tap_configure_cmd(Jim_GetOptInfo *goi, struct jtag_tap *tap) if (e != JIM_OK) return e; break; + case JCFG_IDCODE: + if (goi->isconfigure) { + Jim_SetResultFormatted(goi->interp, + "not settable: %s", n->name); + return JIM_ERR; + } else { + if (goi->argc != 0) { + Jim_WrongNumArgs(goi->interp, + goi->argc, goi->argv, + "NO PARAMS"); + return JIM_ERR; + } + } + Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, tap->idcode)); + break; default: - Jim_SetResultFormatted(goi->interp, "unknown event: %s", n->name); + Jim_SetResultFormatted(goi->interp, "unknown value: %s", n->name); return JIM_ERR; } }