From 709fd9d6b4791f0d0f5a08feac27424c62d91785 Mon Sep 17 00:00:00 2001 From: oharboe Date: Wed, 13 May 2009 10:21:50 +0000 Subject: [PATCH] added verify_jtag command git-svn-id: svn://svn.berlios.de/openocd/trunk@1774 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- src/jtag/jtag.c | 64 +++++++++++++++++++++++++++++++++++++------------ 1 file changed, 49 insertions(+), 15 deletions(-) diff --git a/src/jtag/jtag.c b/src/jtag/jtag.c index 0e96d210..32211ba1 100644 --- a/src/jtag/jtag.c +++ b/src/jtag/jtag.c @@ -97,6 +97,7 @@ tap_state_t cmd_queue_end_state = TAP_RESET; tap_state_t cmd_queue_cur_state = TAP_RESET; int jtag_verify_capture_ir = 1; +int jtag_verify = 1; /* how long the OpenOCD should wait before attempting JTAG communication after reset lines deasserted (in ms) */ static int jtag_nsrst_delay = 0; /* default to no nSRST delay */ @@ -259,6 +260,7 @@ 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); jtag_tap_t *jtag_AllTaps(void) { @@ -550,23 +552,25 @@ void jtag_add_ir_scan_noverify(int num_fields, scan_field_t *fields, tap_state_t void jtag_add_ir_scan(int num_fields, scan_field_t *fields, tap_state_t state) { - /* 8 x 32 bit id's is enough for all invoations */ - int j; - for (j = 0; j < num_fields; j++) + if (jtag_verify&&jtag_verify_capture_ir) { - fields[j].check_value=NULL; - fields[j].check_mask=NULL; - /* if we are to run a verification of the ir scan, we need to get the input back. - * We may have to allocate space if the caller didn't ask for the input back. - */ - if (jtag_verify_capture_ir) + /* 8 x 32 bit id's is enough for all invoations */ + int j; + for (j = 0; j < num_fields; j++) { + fields[j].check_value=NULL; + fields[j].check_mask=NULL; + /* if we are to run a verification of the ir scan, we need to get the input back. + * We may have to allocate space if the caller didn't ask for the input back. + */ fields[j].check_value=fields[j].tap->expected; fields[j].check_mask=fields[j].tap->expected_mask; } + jtag_add_scan_check(jtag_add_ir_scan_noverify, num_fields, fields, state); + } else + { + jtag_add_ir_scan_noverify(num_fields, fields, state); } - - jtag_add_scan_check(jtag_add_ir_scan_noverify, num_fields, fields, state); } int MINIDRIVER(interface_jtag_add_ir_scan)(int num_fields, scan_field_t *fields, tap_state_t state) @@ -752,12 +756,15 @@ static void jtag_add_scan_check(void (*jtag_add_scan)(int num_fields, scan_field void jtag_add_dr_scan_check(int num_fields, scan_field_t *fields, tap_state_t state) { - jtag_add_scan_check(jtag_add_dr_scan, num_fields, fields, state); + if (jtag_verify) + { + jtag_add_scan_check(jtag_add_dr_scan, num_fields, fields, state); + } else + { + jtag_add_dr_scan(num_fields, fields, state); + } } - - - int MINIDRIVER(interface_jtag_add_dr_scan)(int num_fields, scan_field_t *fields, tap_state_t state) { int j; @@ -2292,6 +2299,8 @@ int jtag_register_commands(struct command_context_s *cmd_ctx) 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 "); return ERROR_OK; } @@ -3091,6 +3100,31 @@ static int handle_verify_ircapture_command(struct command_context_s *cmd_ctx, ch return ERROR_OK; } +static int handle_verify_jtag_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + if (argc == 1) + { + if (strcmp(args[0], "enable") == 0) + { + jtag_verify = 1; + } + else if (strcmp(args[0], "disable") == 0) + { + jtag_verify = 0; + } else + { + return ERROR_COMMAND_SYNTAX_ERROR; + } + } else if (argc != 0) + { + return ERROR_COMMAND_SYNTAX_ERROR; + } + + command_print(cmd_ctx, "verify jtag capture is %s", (jtag_verify) ? "enabled": "disabled"); + + return ERROR_OK; +} + int jtag_power_dropout(int *dropout) { return jtag->power_dropout(dropout); -- 2.39.5