C++ (Cpp) arm11_in_handler_SCAN_N Exemples

Exemple #1

Fichier : arm11_dbgtap.c Projet : unnamet/estick-jtag

int arm11_add_debug_SCAN_N(struct arm11_common *arm11,
		uint8_t chain, tap_state_t state)
{
	/* Don't needlessly switch the scan chain.
	 * NOTE:  the ITRSEL instruction fakes SCREG changing;
	 * but leaves its actual value unchanged.
	 */
	if (arm11->jtag_info.cur_scan_chain == chain) {
		JTAG_DEBUG("SCREG <= %d SKIPPED", chain);
		return jtag_add_statemove((state == ARM11_TAP_DEFAULT)
					? TAP_DRPAUSE : state);
	}
	JTAG_DEBUG("SCREG <= %d", chain);

	arm11_add_IR(arm11, ARM11_SCAN_N, ARM11_TAP_DEFAULT);

	struct scan_field		field;

	uint8_t tmp[1];
	arm11_setup_field(arm11, 5, &chain, &tmp, &field);

	arm11_add_dr_scan_vc(1, &field, state == ARM11_TAP_DEFAULT ? TAP_DRPAUSE : state);

	jtag_execute_queue_noclear();

	arm11_in_handler_SCAN_N(tmp);

	arm11->jtag_info.cur_scan_chain = chain;

	return jtag_execute_queue();
}

Exemple #2

Fichier : arm11_dbgtap.c Projet : Xplorer001/openocd

int arm11_add_debug_SCAN_N(struct arm11_common *arm11,
		uint8_t chain, tap_state_t state)
{
	/* Don't needlessly switch the scan chain.
	 * NOTE:  the ITRSEL instruction fakes SCREG changing;
	 * but leaves its actual value unchanged.
	 */
#if 0
	// FIX!!! the optimization below is broken because we do not
	// invalidate the cur_scan_chain upon a TRST/TMS. See arm_jtag.c
	// for example on how to invalidate cur_scan_chain. Tested patches gladly
	// accepted!
	if (arm11->jtag_info.cur_scan_chain == chain) {
		JTAG_DEBUG("SCREG <= %d SKIPPED", chain);
		return jtag_add_statemove((state == ARM11_TAP_DEFAULT)
					? TAP_DRPAUSE : state);
	}
#endif
	JTAG_DEBUG("SCREG <= %d", chain);

	arm11_add_IR(arm11, ARM11_SCAN_N, ARM11_TAP_DEFAULT);

	struct scan_field		field;

	uint8_t tmp[1];
	arm11_setup_field(arm11, 5, &chain, &tmp, &field);

	arm11_add_dr_scan_vc(arm11->arm.target->tap, 1, &field, state == ARM11_TAP_DEFAULT ? TAP_DRPAUSE : state);

	jtag_execute_queue_noclear();

	arm11_in_handler_SCAN_N(tmp);

	arm11->jtag_info.cur_scan_chain = chain;

	return jtag_execute_queue();
}