http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/69f466b5/docs/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/src/jtag/aice/aice_usb.c
----------------------------------------------------------------------
diff --git 
a/docs/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/src/jtag/aice/aice_usb.c
 
b/docs/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/src/jtag/aice/aice_usb.c
deleted file mode 100755
index 50b3b9a..0000000
--- 
a/docs/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/src/jtag/aice/aice_usb.c
+++ /dev/null
@@ -1,4125 +0,0 @@
-/***************************************************************************
- *   Copyright (C) 2013 by Andes Technology                                *
- *   Hsiangkai Wang <hkw...@andestech.com>                                 *
- *                                                                         *
- *   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.,                                       *
- *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
- ***************************************************************************/
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <jtag/drivers/libusb_common.h>
-#include <helper/log.h>
-#include <helper/time_support.h>
-#include <target/target.h>
-#include <jtag/jtag.h>
-#include <target/nds32_insn.h>
-#include <target/nds32_reg.h>
-#include "aice_usb.h"
-
-
-/* Global USB buffers */
-static uint8_t usb_in_buffer[AICE_IN_BUFFER_SIZE];
-static uint8_t usb_out_buffer[AICE_OUT_BUFFER_SIZE];
-static uint32_t jtag_clock;
-static struct aice_usb_handler_s aice_handler;
-/* AICE max retry times. If AICE command timeout, retry it. */
-static int aice_max_retry_times = 50;
-/* Default endian is little endian. */
-static enum aice_target_endian data_endian;
-
-/* Constants for AICE command format length */
-static const int32_t AICE_FORMAT_HTDA = 3;
-static const int32_t AICE_FORMAT_HTDC  = 7;
-static const int32_t AICE_FORMAT_HTDMA = 4;
-static const int32_t AICE_FORMAT_HTDMB = 8;
-static const int32_t AICE_FORMAT_HTDMC = 8;
-static const int32_t AICE_FORMAT_HTDMD = 12;
-static const int32_t AICE_FORMAT_DTHA  = 6;
-static const int32_t AICE_FORMAT_DTHB  = 2;
-static const int32_t AICE_FORMAT_DTHMA = 8;
-static const int32_t AICE_FORMAT_DTHMB = 4;
-
-/* Constants for AICE command */
-static const uint8_t AICE_CMD_SCAN_CHAIN = 0x00;
-static const uint8_t AICE_CMD_T_READ_MISC = 0x20;
-static const uint8_t AICE_CMD_T_READ_EDMSR = 0x21;
-static const uint8_t AICE_CMD_T_READ_DTR = 0x22;
-static const uint8_t AICE_CMD_T_READ_MEM_B = 0x24;
-static const uint8_t AICE_CMD_T_READ_MEM_H = 0x25;
-static const uint8_t AICE_CMD_T_READ_MEM = 0x26;
-static const uint8_t AICE_CMD_T_FASTREAD_MEM = 0x27;
-static const uint8_t AICE_CMD_T_WRITE_MISC = 0x28;
-static const uint8_t AICE_CMD_T_WRITE_EDMSR    = 0x29;
-static const uint8_t AICE_CMD_T_WRITE_DTR = 0x2A;
-static const uint8_t AICE_CMD_T_WRITE_DIM = 0x2B;
-static const uint8_t AICE_CMD_T_WRITE_MEM_B = 0x2C;
-static const uint8_t AICE_CMD_T_WRITE_MEM_H = 0x2D;
-static const uint8_t AICE_CMD_T_WRITE_MEM = 0x2E;
-static const uint8_t AICE_CMD_T_FASTWRITE_MEM = 0x2F;
-static const uint8_t AICE_CMD_T_EXECUTE = 0x3E;
-static const uint8_t AICE_CMD_READ_CTRL = 0x50;
-static const uint8_t AICE_CMD_WRITE_CTRL = 0x51;
-static const uint8_t AICE_CMD_BATCH_BUFFER_READ = 0x60;
-static const uint8_t AICE_CMD_READ_DTR_TO_BUFFER = 0x61;
-static const uint8_t AICE_CMD_BATCH_BUFFER_WRITE = 0x68;
-static const uint8_t AICE_CMD_WRITE_DTR_FROM_BUFFER = 0x69;
-
-/***************************************************************************/
-/* AICE commands' pack/unpack functions */
-static void aice_pack_htda(uint8_t cmd_code, uint8_t extra_word_length,
-               uint32_t address)
-{
-       usb_out_buffer[0] = cmd_code;
-       usb_out_buffer[1] = extra_word_length;
-       usb_out_buffer[2] = (uint8_t)(address & 0xFF);
-}
-
-static void aice_pack_htdc(uint8_t cmd_code, uint8_t extra_word_length,
-               uint32_t address, uint32_t word, enum aice_target_endian 
access_endian)
-{
-       usb_out_buffer[0] = cmd_code;
-       usb_out_buffer[1] = extra_word_length;
-       usb_out_buffer[2] = (uint8_t)(address & 0xFF);
-       if (access_endian == AICE_BIG_ENDIAN) {
-               usb_out_buffer[6] = (uint8_t)((word >> 24) & 0xFF);
-               usb_out_buffer[5] = (uint8_t)((word >> 16) & 0xFF);
-               usb_out_buffer[4] = (uint8_t)((word >> 8) & 0xFF);
-               usb_out_buffer[3] = (uint8_t)(word & 0xFF);
-       } else {
-               usb_out_buffer[3] = (uint8_t)((word >> 24) & 0xFF);
-               usb_out_buffer[4] = (uint8_t)((word >> 16) & 0xFF);
-               usb_out_buffer[5] = (uint8_t)((word >> 8) & 0xFF);
-               usb_out_buffer[6] = (uint8_t)(word & 0xFF);
-       }
-}
-
-static void aice_pack_htdma(uint8_t cmd_code, uint8_t target_id,
-               uint8_t extra_word_length, uint32_t address)
-{
-       usb_out_buffer[0] = cmd_code;
-       usb_out_buffer[1] = target_id;
-       usb_out_buffer[2] = extra_word_length;
-       usb_out_buffer[3] = (uint8_t)(address & 0xFF);
-}
-
-static void aice_pack_htdmb(uint8_t cmd_code, uint8_t target_id,
-               uint8_t extra_word_length, uint32_t address)
-{
-       usb_out_buffer[0] = cmd_code;
-       usb_out_buffer[1] = target_id;
-       usb_out_buffer[2] = extra_word_length;
-       usb_out_buffer[3] = 0;
-       usb_out_buffer[4] = (uint8_t)((address >> 24) & 0xFF);
-       usb_out_buffer[5] = (uint8_t)((address >> 16) & 0xFF);
-       usb_out_buffer[6] = (uint8_t)((address >> 8) & 0xFF);
-       usb_out_buffer[7] = (uint8_t)(address & 0xFF);
-}
-
-static void aice_pack_htdmc(uint8_t cmd_code, uint8_t target_id,
-               uint8_t extra_word_length, uint32_t address, uint32_t word,
-               enum aice_target_endian access_endian)
-{
-       usb_out_buffer[0] = cmd_code;
-       usb_out_buffer[1] = target_id;
-       usb_out_buffer[2] = extra_word_length;
-       usb_out_buffer[3] = (uint8_t)(address & 0xFF);
-       if (access_endian == AICE_BIG_ENDIAN) {
-               usb_out_buffer[7] = (uint8_t)((word >> 24) & 0xFF);
-               usb_out_buffer[6] = (uint8_t)((word >> 16) & 0xFF);
-               usb_out_buffer[5] = (uint8_t)((word >> 8) & 0xFF);
-               usb_out_buffer[4] = (uint8_t)(word & 0xFF);
-       } else {
-               usb_out_buffer[4] = (uint8_t)((word >> 24) & 0xFF);
-               usb_out_buffer[5] = (uint8_t)((word >> 16) & 0xFF);
-               usb_out_buffer[6] = (uint8_t)((word >> 8) & 0xFF);
-               usb_out_buffer[7] = (uint8_t)(word & 0xFF);
-       }
-}
-
-static void aice_pack_htdmc_multiple_data(uint8_t cmd_code, uint8_t target_id,
-               uint8_t extra_word_length, uint32_t address, uint32_t *word,
-               uint8_t num_of_words, enum aice_target_endian access_endian)
-{
-       usb_out_buffer[0] = cmd_code;
-       usb_out_buffer[1] = target_id;
-       usb_out_buffer[2] = extra_word_length;
-       usb_out_buffer[3] = (uint8_t)(address & 0xFF);
-
-       uint8_t i;
-       for (i = 0 ; i < num_of_words ; i++, word++) {
-               if (access_endian == AICE_BIG_ENDIAN) {
-                       usb_out_buffer[7 + i * 4] = (uint8_t)((*word >> 24) & 
0xFF);
-                       usb_out_buffer[6 + i * 4] = (uint8_t)((*word >> 16) & 
0xFF);
-                       usb_out_buffer[5 + i * 4] = (uint8_t)((*word >> 8) & 
0xFF);
-                       usb_out_buffer[4 + i * 4] = (uint8_t)(*word & 0xFF);
-               } else {
-                       usb_out_buffer[4 + i * 4] = (uint8_t)((*word >> 24) & 
0xFF);
-                       usb_out_buffer[5 + i * 4] = (uint8_t)((*word >> 16) & 
0xFF);
-                       usb_out_buffer[6 + i * 4] = (uint8_t)((*word >> 8) & 
0xFF);
-                       usb_out_buffer[7 + i * 4] = (uint8_t)(*word & 0xFF);
-               }
-       }
-}
-
-static void aice_pack_htdmd(uint8_t cmd_code, uint8_t target_id,
-               uint8_t extra_word_length, uint32_t address, uint32_t word,
-               enum aice_target_endian access_endian)
-{
-       usb_out_buffer[0] = cmd_code;
-       usb_out_buffer[1] = target_id;
-       usb_out_buffer[2] = extra_word_length;
-       usb_out_buffer[3] = 0;
-       usb_out_buffer[4] = (uint8_t)((address >> 24) & 0xFF);
-       usb_out_buffer[5] = (uint8_t)((address >> 16) & 0xFF);
-       usb_out_buffer[6] = (uint8_t)((address >> 8) & 0xFF);
-       usb_out_buffer[7] = (uint8_t)(address & 0xFF);
-       if (access_endian == AICE_BIG_ENDIAN) {
-               usb_out_buffer[11] = (uint8_t)((word >> 24) & 0xFF);
-               usb_out_buffer[10] = (uint8_t)((word >> 16) & 0xFF);
-               usb_out_buffer[9] = (uint8_t)((word >> 8) & 0xFF);
-               usb_out_buffer[8] = (uint8_t)(word & 0xFF);
-       } else {
-               usb_out_buffer[8] = (uint8_t)((word >> 24) & 0xFF);
-               usb_out_buffer[9] = (uint8_t)((word >> 16) & 0xFF);
-               usb_out_buffer[10] = (uint8_t)((word >> 8) & 0xFF);
-               usb_out_buffer[11] = (uint8_t)(word & 0xFF);
-       }
-}
-
-static void aice_pack_htdmd_multiple_data(uint8_t cmd_code, uint8_t target_id,
-               uint8_t extra_word_length, uint32_t address, const uint8_t 
*word,
-               enum aice_target_endian access_endian)
-{
-       usb_out_buffer[0] = cmd_code;
-       usb_out_buffer[1] = target_id;
-       usb_out_buffer[2] = extra_word_length;
-       usb_out_buffer[3] = 0;
-       usb_out_buffer[4] = (uint8_t)((address >> 24) & 0xFF);
-       usb_out_buffer[5] = (uint8_t)((address >> 16) & 0xFF);
-       usb_out_buffer[6] = (uint8_t)((address >> 8) & 0xFF);
-       usb_out_buffer[7] = (uint8_t)(address & 0xFF);
-
-       uint32_t i;
-       /* num_of_words may be over 0xFF, so use uint32_t */
-       uint32_t num_of_words = extra_word_length + 1;
-
-       for (i = 0 ; i < num_of_words ; i++, word += 4) {
-               if (access_endian == AICE_BIG_ENDIAN) {
-                       usb_out_buffer[11 + i * 4] = word[3];
-                       usb_out_buffer[10 + i * 4] = word[2];
-                       usb_out_buffer[9 + i * 4] = word[1];
-                       usb_out_buffer[8 + i * 4] = word[0];
-               } else {
-                       usb_out_buffer[8 + i * 4] = word[3];
-                       usb_out_buffer[9 + i * 4] = word[2];
-                       usb_out_buffer[10 + i * 4] = word[1];
-                       usb_out_buffer[11 + i * 4] = word[0];
-               }
-       }
-}
-
-static void aice_unpack_dtha(uint8_t *cmd_ack_code, uint8_t *extra_word_length,
-               uint32_t *word, enum aice_target_endian access_endian)
-{
-       *cmd_ack_code = usb_in_buffer[0];
-       *extra_word_length = usb_in_buffer[1];
-
-       if (access_endian == AICE_BIG_ENDIAN) {
-               *word = (usb_in_buffer[5] << 24) |
-                       (usb_in_buffer[4] << 16) |
-                       (usb_in_buffer[3] << 8) |
-                       (usb_in_buffer[2]);
-       } else {
-               *word = (usb_in_buffer[2] << 24) |
-                       (usb_in_buffer[3] << 16) |
-                       (usb_in_buffer[4] << 8) |
-                       (usb_in_buffer[5]);
-       }
-}
-
-static void aice_unpack_dtha_multiple_data(uint8_t *cmd_ack_code,
-               uint8_t *extra_word_length, uint32_t *word, uint8_t 
num_of_words,
-               enum aice_target_endian access_endian)
-{
-       *cmd_ack_code = usb_in_buffer[0];
-       *extra_word_length = usb_in_buffer[1];
-
-       uint8_t i;
-       for (i = 0 ; i < num_of_words ; i++, word++) {
-               if (access_endian == AICE_BIG_ENDIAN) {
-                       *word = (usb_in_buffer[5 + i * 4] << 24) |
-                               (usb_in_buffer[4 + i * 4] << 16) |
-                               (usb_in_buffer[3 + i * 4] << 8) |
-                               (usb_in_buffer[2 + i * 4]);
-               } else {
-                       *word = (usb_in_buffer[2 + i * 4] << 24) |
-                               (usb_in_buffer[3 + i * 4] << 16) |
-                               (usb_in_buffer[4 + i * 4] << 8) |
-                               (usb_in_buffer[5 + i * 4]);
-               }
-       }
-}
-
-static void aice_unpack_dthb(uint8_t *cmd_ack_code, uint8_t *extra_word_length)
-{
-       *cmd_ack_code = usb_in_buffer[0];
-       *extra_word_length = usb_in_buffer[1];
-}
-
-static void aice_unpack_dthma(uint8_t *cmd_ack_code, uint8_t *target_id,
-               uint8_t *extra_word_length, uint32_t *word,
-               enum aice_target_endian access_endian)
-{
-       *cmd_ack_code = usb_in_buffer[0];
-       *target_id = usb_in_buffer[1];
-       *extra_word_length = usb_in_buffer[2];
-       if (access_endian == AICE_BIG_ENDIAN) {
-               *word = (usb_in_buffer[7] << 24) |
-                       (usb_in_buffer[6] << 16) |
-                       (usb_in_buffer[5] << 8) |
-                       (usb_in_buffer[4]);
-       } else {
-               *word = (usb_in_buffer[4] << 24) |
-                       (usb_in_buffer[5] << 16) |
-                       (usb_in_buffer[6] << 8) |
-                       (usb_in_buffer[7]);
-       }
-}
-
-static void aice_unpack_dthma_multiple_data(uint8_t *cmd_ack_code,
-               uint8_t *target_id, uint8_t *extra_word_length, uint8_t *word,
-               enum aice_target_endian access_endian)
-{
-       *cmd_ack_code = usb_in_buffer[0];
-       *target_id = usb_in_buffer[1];
-       *extra_word_length = usb_in_buffer[2];
-       if (access_endian == AICE_BIG_ENDIAN) {
-               word[0] = usb_in_buffer[4];
-               word[1] = usb_in_buffer[5];
-               word[2] = usb_in_buffer[6];
-               word[3] = usb_in_buffer[7];
-       } else {
-               word[0] = usb_in_buffer[7];
-               word[1] = usb_in_buffer[6];
-               word[2] = usb_in_buffer[5];
-               word[3] = usb_in_buffer[4];
-       }
-       word += 4;
-
-       uint8_t i;
-       for (i = 0; i < *extra_word_length; i++) {
-               if (access_endian == AICE_BIG_ENDIAN) {
-                       word[0] = usb_in_buffer[8 + i * 4];
-                       word[1] = usb_in_buffer[9 + i * 4];
-                       word[2] = usb_in_buffer[10 + i * 4];
-                       word[3] = usb_in_buffer[11 + i * 4];
-               } else {
-                       word[0] = usb_in_buffer[11 + i * 4];
-                       word[1] = usb_in_buffer[10 + i * 4];
-                       word[2] = usb_in_buffer[9 + i * 4];
-                       word[3] = usb_in_buffer[8 + i * 4];
-               }
-               word += 4;
-       }
-}
-
-static void aice_unpack_dthmb(uint8_t *cmd_ack_code, uint8_t *target_id,
-               uint8_t *extra_word_length)
-{
-       *cmd_ack_code = usb_in_buffer[0];
-       *target_id = usb_in_buffer[1];
-       *extra_word_length = usb_in_buffer[2];
-}
-
-/***************************************************************************/
-/* End of AICE commands' pack/unpack functions */
-
-/* calls the given usb_bulk_* function, allowing for the data to
- * trickle in with some timeouts  */
-static int usb_bulk_with_retries(
-                       int (*f)(jtag_libusb_device_handle *, int, char *, int, 
int),
-                       jtag_libusb_device_handle *dev, int ep,
-                       char *bytes, int size, int timeout)
-{
-       int tries = 3, count = 0;
-
-       while (tries && (count < size)) {
-               int result = f(dev, ep, bytes + count, size - count, timeout);
-               if (result > 0)
-                       count += result;
-               else if ((-ETIMEDOUT != result) || !--tries)
-                       return result;
-       }
-       return count;
-}
-
-static int wrap_usb_bulk_write(jtag_libusb_device_handle *dev, int ep,
-               char *buff, int size, int timeout)
-{
-       /* usb_bulk_write() takes const char *buff */
-       return jtag_libusb_bulk_write(dev, ep, buff, size, timeout);
-}
-
-static inline int usb_bulk_write_ex(jtag_libusb_device_handle *dev, int ep,
-               char *bytes, int size, int timeout)
-{
-       return usb_bulk_with_retries(&wrap_usb_bulk_write,
-                       dev, ep, bytes, size, timeout);
-}
-
-static inline int usb_bulk_read_ex(jtag_libusb_device_handle *dev, int ep,
-               char *bytes, int size, int timeout)
-{
-       return usb_bulk_with_retries(&jtag_libusb_bulk_read,
-                       dev, ep, bytes, size, timeout);
-}
-
-/* Write data from out_buffer to USB. */
-static int aice_usb_write(uint8_t *out_buffer, int out_length)
-{
-       int result;
-
-       if (out_length > AICE_OUT_BUFFER_SIZE) {
-               LOG_ERROR("aice_write illegal out_length=%i (max=%i)",
-                               out_length, AICE_OUT_BUFFER_SIZE);
-               return -1;
-       }
-
-       result = usb_bulk_write_ex(aice_handler.usb_handle, 
aice_handler.usb_write_ep,
-                       (char *)out_buffer, out_length, AICE_USB_TIMEOUT);
-
-       DEBUG_JTAG_IO("aice_usb_write, out_length = %i, result = %i",
-                       out_length, result);
-
-       return result;
-}
-
-/* Read data from USB into in_buffer. */
-static int aice_usb_read(uint8_t *in_buffer, int expected_size)
-{
-       int32_t result = usb_bulk_read_ex(aice_handler.usb_handle, 
aice_handler.usb_read_ep,
-                       (char *)in_buffer, expected_size, AICE_USB_TIMEOUT);
-
-       DEBUG_JTAG_IO("aice_usb_read, result = %" PRId32, result);
-
-       return result;
-}
-
-static uint8_t usb_out_packets_buffer[AICE_OUT_PACKETS_BUFFER_SIZE];
-static uint8_t usb_in_packets_buffer[AICE_IN_PACKETS_BUFFER_SIZE];
-static uint32_t usb_out_packets_buffer_length;
-static uint32_t usb_in_packets_buffer_length;
-static enum aice_command_mode aice_command_mode;
-
-static int aice_batch_buffer_write(uint8_t buf_index, const uint8_t *word,
-               uint32_t num_of_words);
-
-static int aice_usb_packet_flush(void)
-{
-       if (usb_out_packets_buffer_length == 0)
-               return 0;
-
-       if (AICE_COMMAND_MODE_PACK == aice_command_mode) {
-               LOG_DEBUG("Flush usb packets (AICE_COMMAND_MODE_PACK)");
-
-               if (aice_usb_write(usb_out_packets_buffer,
-                                       usb_out_packets_buffer_length) < 0)
-                       return ERROR_FAIL;
-
-               if (aice_usb_read(usb_in_packets_buffer,
-                                       usb_in_packets_buffer_length) < 0)
-                       return ERROR_FAIL;
-
-               usb_out_packets_buffer_length = 0;
-               usb_in_packets_buffer_length = 0;
-
-       } else if (AICE_COMMAND_MODE_BATCH == aice_command_mode) {
-               LOG_DEBUG("Flush usb packets (AICE_COMMAND_MODE_BATCH)");
-
-               /* use BATCH_BUFFER_WRITE to fill command-batch-buffer */
-               if (aice_batch_buffer_write(AICE_BATCH_COMMAND_BUFFER_0,
-                               usb_out_packets_buffer,
-                               (usb_out_packets_buffer_length + 3) / 4) != 
ERROR_OK)
-                       return ERROR_FAIL;
-
-               usb_out_packets_buffer_length = 0;
-               usb_in_packets_buffer_length = 0;
-
-               /* enable BATCH command */
-               aice_command_mode = AICE_COMMAND_MODE_NORMAL;
-               if (aice_write_ctrl(AICE_WRITE_CTRL_BATCH_CTRL, 0x80000000) != 
ERROR_OK)
-                       return ERROR_FAIL;
-               aice_command_mode = AICE_COMMAND_MODE_BATCH;
-
-               /* wait 1 second (AICE bug, workaround) */
-               alive_sleep(1000);
-
-               /* check status */
-               uint32_t i;
-               uint32_t batch_status;
-
-               i = 0;
-               while (1) {
-                       aice_read_ctrl(AICE_READ_CTRL_BATCH_STATUS, 
&batch_status);
-
-                       if (batch_status & 0x1)
-                               return ERROR_OK;
-                       else if (batch_status & 0xE)
-                               return ERROR_FAIL;
-
-                       if ((i % 30) == 0)
-                               keep_alive();
-
-                       i++;
-               }
-       }
-
-       return ERROR_OK;
-}
-
-static int aice_usb_packet_append(uint8_t *out_buffer, int out_length, int 
in_length)
-{
-       uint32_t max_packet_size = AICE_OUT_PACKETS_BUFFER_SIZE;
-
-       if (AICE_COMMAND_MODE_PACK == aice_command_mode) {
-               max_packet_size = AICE_OUT_PACK_COMMAND_SIZE;
-       } else if (AICE_COMMAND_MODE_BATCH == aice_command_mode) {
-               max_packet_size = AICE_OUT_BATCH_COMMAND_SIZE;
-       } else {
-               /* AICE_COMMAND_MODE_NORMAL */
-               if (aice_usb_packet_flush() != ERROR_OK)
-                       return ERROR_FAIL;
-       }
-
-       if (usb_out_packets_buffer_length + out_length > max_packet_size)
-               if (aice_usb_packet_flush() != ERROR_OK) {
-                       LOG_DEBUG("Flush usb packets failed");
-                       return ERROR_FAIL;
-               }
-
-       LOG_DEBUG("Append usb packets 0x%02x", out_buffer[0]);
-
-       memcpy(usb_out_packets_buffer + usb_out_packets_buffer_length, 
out_buffer, out_length);
-       usb_out_packets_buffer_length += out_length;
-       usb_in_packets_buffer_length += in_length;
-
-       return ERROR_OK;
-}
-
-/***************************************************************************/
-/* AICE commands */
-static int aice_reset_box(void)
-{
-       if (aice_write_ctrl(AICE_WRITE_CTRL_CLEAR_TIMEOUT_STATUS, 0x1) != 
ERROR_OK)
-               return ERROR_FAIL;
-
-       /* turn off FASTMODE */
-       uint32_t pin_status;
-       if (aice_read_ctrl(AICE_READ_CTRL_GET_JTAG_PIN_STATUS, &pin_status)
-                       != ERROR_OK)
-               return ERROR_FAIL;
-
-       if (aice_write_ctrl(AICE_WRITE_CTRL_JTAG_PIN_STATUS, pin_status & 
(~0x2))
-                       != ERROR_OK)
-               return ERROR_FAIL;
-
-       return ERROR_OK;
-}
-
-static int aice_scan_chain(uint32_t *id_codes, uint8_t *num_of_ids)
-{
-       int32_t result;
-       int retry_times = 0;
-
-       if ((AICE_COMMAND_MODE_PACK == aice_command_mode) ||
-               (AICE_COMMAND_MODE_BATCH == aice_command_mode))
-               aice_usb_packet_flush();
-
-       do {
-               aice_pack_htda(AICE_CMD_SCAN_CHAIN, 0x0F, 0x0);
-
-               aice_usb_write(usb_out_buffer, AICE_FORMAT_HTDA);
-
-               LOG_DEBUG("SCAN_CHAIN, length: 0x0F");
-
-               /** TODO: modify receive length */
-               result = aice_usb_read(usb_in_buffer, AICE_FORMAT_DTHA);
-               if (AICE_FORMAT_DTHA != result) {
-                       LOG_ERROR("aice_usb_read failed (requested=%" PRIu32 ", 
result=%" PRId32 ")",
-                                       AICE_FORMAT_DTHA, result);
-                       return ERROR_FAIL;
-               }
-
-               uint8_t cmd_ack_code;
-               aice_unpack_dtha_multiple_data(&cmd_ack_code, num_of_ids, 
id_codes,
-                               0x10, AICE_LITTLE_ENDIAN);
-
-               if (cmd_ack_code != AICE_CMD_SCAN_CHAIN) {
-
-                       if (retry_times > aice_max_retry_times) {
-                               LOG_ERROR("aice command timeout (command=0x%" 
PRIx8 ", response=0x%" PRIx8 ")",
-                                               AICE_CMD_SCAN_CHAIN, 
cmd_ack_code);
-                               return ERROR_FAIL;
-                       }
-
-                       /* clear timeout and retry */
-                       if (aice_reset_box() != ERROR_OK)
-                               return ERROR_FAIL;
-
-                       retry_times++;
-                       continue;
-               }
-
-               LOG_DEBUG("SCAN_CHAIN response, # of IDs: %" PRIu8, 
*num_of_ids);
-
-               if (*num_of_ids == 0xFF) {
-                       LOG_ERROR("No target connected");
-                       return ERROR_FAIL;
-               } else if (*num_of_ids == AICE_MAX_NUM_CORE) {
-                       LOG_INFO("The ice chain over 16 targets");
-               } else {
-                       (*num_of_ids)++;
-               }
-               break;
-       } while (1);
-
-       return ERROR_OK;
-}
-
-int aice_read_ctrl(uint32_t address, uint32_t *data)
-{
-       int32_t result;
-
-       if ((AICE_COMMAND_MODE_PACK == aice_command_mode) ||
-               (AICE_COMMAND_MODE_BATCH == aice_command_mode))
-               aice_usb_packet_flush();
-
-       aice_pack_htda(AICE_CMD_READ_CTRL, 0, address);
-
-       aice_usb_write(usb_out_buffer, AICE_FORMAT_HTDA);
-
-       LOG_DEBUG("READ_CTRL, address: 0x%" PRIx32, address);
-
-       result = aice_usb_read(usb_in_buffer, AICE_FORMAT_DTHA);
-       if (AICE_FORMAT_DTHA != result) {
-               LOG_ERROR("aice_usb_read failed (requested=%" PRIu32 ", 
result=%" PRId32 ")",
-                               AICE_FORMAT_DTHA, result);
-               return ERROR_FAIL;
-       }
-
-       uint8_t cmd_ack_code;
-       uint8_t extra_length;
-       aice_unpack_dtha(&cmd_ack_code, &extra_length, data, 
AICE_LITTLE_ENDIAN);
-
-       LOG_DEBUG("READ_CTRL response, data: 0x%" PRIx32, *data);
-
-       if (cmd_ack_code != AICE_CMD_READ_CTRL) {
-               LOG_ERROR("aice command error (command=0x%" PRIx32 ", 
response=0x%" PRIx8 ")",
-                               (uint32_t)AICE_CMD_READ_CTRL, cmd_ack_code);
-               return ERROR_FAIL;
-       }
-
-       return ERROR_OK;
-}
-
-int aice_write_ctrl(uint32_t address, uint32_t data)
-{
-       int32_t result;
-
-       if (AICE_COMMAND_MODE_PACK == aice_command_mode) {
-               aice_usb_packet_flush();
-       } else if (AICE_COMMAND_MODE_BATCH == aice_command_mode) {
-               aice_pack_htdc(AICE_CMD_WRITE_CTRL, 0, address, data, 
AICE_LITTLE_ENDIAN);
-               return aice_usb_packet_append(usb_out_buffer, AICE_FORMAT_HTDC,
-                               AICE_FORMAT_DTHB);
-       }
-
-       aice_pack_htdc(AICE_CMD_WRITE_CTRL, 0, address, data, 
AICE_LITTLE_ENDIAN);
-
-       aice_usb_write(usb_out_buffer, AICE_FORMAT_HTDC);
-
-       LOG_DEBUG("WRITE_CTRL, address: 0x%" PRIx32 ", data: 0x%" PRIx32, 
address, data);
-
-       result = aice_usb_read(usb_in_buffer, AICE_FORMAT_DTHB);
-       if (AICE_FORMAT_DTHB != result) {
-               LOG_ERROR("aice_usb_read failed (requested=%" PRIu32 ", 
result=%" PRId32 ")",
-                               AICE_FORMAT_DTHB, result);
-               return ERROR_FAIL;
-       }
-
-       uint8_t cmd_ack_code;
-       uint8_t extra_length;
-       aice_unpack_dthb(&cmd_ack_code, &extra_length);
-
-       LOG_DEBUG("WRITE_CTRL response");
-
-       if (cmd_ack_code != AICE_CMD_WRITE_CTRL) {
-               LOG_ERROR("aice command error (command=0x%" PRIx8 ", 
response=0x%" PRIx8 ")",
-                               AICE_CMD_WRITE_CTRL, cmd_ack_code);
-               return ERROR_FAIL;
-       }
-
-       return ERROR_OK;
-}
-
-int aice_read_dtr(uint8_t target_id, uint32_t *data)
-{
-       int32_t result;
-       int retry_times = 0;
-
-       if ((AICE_COMMAND_MODE_PACK == aice_command_mode) ||
-               (AICE_COMMAND_MODE_BATCH == aice_command_mode))
-               aice_usb_packet_flush();
-
-       do {
-               aice_pack_htdma(AICE_CMD_T_READ_DTR, target_id, 0, 0);
-
-               aice_usb_write(usb_out_buffer, AICE_FORMAT_HTDMA);
-
-               LOG_DEBUG("READ_DTR, COREID: %" PRIu8, target_id);
-
-               result = aice_usb_read(usb_in_buffer, AICE_FORMAT_DTHMA);
-               if (AICE_FORMAT_DTHMA != result) {
-                       LOG_ERROR("aice_usb_read failed (requested=%" PRId32 ", 
result=%" PRId32 ")",
-                                       AICE_FORMAT_DTHMA, result);
-                       return ERROR_FAIL;
-               }
-
-               uint8_t cmd_ack_code;
-               uint8_t extra_length;
-               uint8_t res_target_id;
-               aice_unpack_dthma(&cmd_ack_code, &res_target_id, &extra_length,
-                               data, AICE_LITTLE_ENDIAN);
-
-               if (cmd_ack_code == AICE_CMD_T_READ_DTR) {
-                       LOG_DEBUG("READ_DTR response, data: 0x%" PRIx32, *data);
-                       break;
-               } else {
-
-                       if (retry_times > aice_max_retry_times) {
-                               LOG_ERROR("aice command timeout (command=0x%" 
PRIx8 ", response=0x%" PRIx8 ")",
-                                               AICE_CMD_T_READ_DTR, 
cmd_ack_code);
-                               return ERROR_FAIL;
-                       }
-
-                       /* clear timeout and retry */
-                       if (aice_reset_box() != ERROR_OK)
-                               return ERROR_FAIL;
-
-                       retry_times++;
-               }
-       } while (1);
-
-       return ERROR_OK;
-}
-
-int aice_read_dtr_to_buffer(uint8_t target_id, uint32_t buffer_idx)
-{
-       int32_t result;
-       int retry_times = 0;
-
-       if (AICE_COMMAND_MODE_PACK == aice_command_mode) {
-               aice_usb_packet_flush();
-       } else if (AICE_COMMAND_MODE_BATCH == aice_command_mode) {
-               aice_pack_htdma(AICE_CMD_READ_DTR_TO_BUFFER, target_id, 0, 
buffer_idx);
-               return aice_usb_packet_append(usb_out_buffer, AICE_FORMAT_HTDMA,
-                               AICE_FORMAT_DTHMB);
-       }
-
-       do {
-               aice_pack_htdma(AICE_CMD_READ_DTR_TO_BUFFER, target_id, 0, 
buffer_idx);
-
-               aice_usb_write(usb_out_buffer, AICE_FORMAT_HTDMA);
-
-               LOG_DEBUG("READ_DTR_TO_BUFFER, COREID: %" PRIu8, target_id);
-
-               result = aice_usb_read(usb_in_buffer, AICE_FORMAT_DTHMB);
-               if (AICE_FORMAT_DTHMB != result) {
-                       LOG_ERROR("aice_usb_read failed (requested=%" PRId32 ", 
result=%" PRId32 ")", AICE_FORMAT_DTHMB, result);
-                       return ERROR_FAIL;
-               }
-
-               uint8_t cmd_ack_code;
-               uint8_t extra_length;
-               uint8_t res_target_id;
-               aice_unpack_dthmb(&cmd_ack_code, &res_target_id, &extra_length);
-
-               if (cmd_ack_code == AICE_CMD_READ_DTR_TO_BUFFER) {
-                       break;
-               } else {
-                       if (retry_times > aice_max_retry_times) {
-                               LOG_ERROR("aice command timeout (command=0x%" 
PRIx8 ", response=0x%" PRIx8 ")",
-                                               AICE_CMD_READ_DTR_TO_BUFFER, 
cmd_ack_code);
-
-                               return ERROR_FAIL;
-                       }
-
-                       /* clear timeout and retry */
-                       if (aice_reset_box() != ERROR_OK)
-                               return ERROR_FAIL;
-
-                       retry_times++;
-               }
-       } while (1);
-
-       return ERROR_OK;
-}
-
-int aice_write_dtr(uint8_t target_id, uint32_t data)
-{
-       int32_t result;
-       int retry_times = 0;
-
-       if (AICE_COMMAND_MODE_PACK == aice_command_mode) {
-               aice_usb_packet_flush();
-       } else if (AICE_COMMAND_MODE_BATCH == aice_command_mode) {
-               aice_pack_htdmc(AICE_CMD_T_WRITE_DTR, target_id, 0, 0, data, 
AICE_LITTLE_ENDIAN);
-               return aice_usb_packet_append(usb_out_buffer, AICE_FORMAT_HTDMC,
-                               AICE_FORMAT_DTHMB);
-       }
-
-       do {
-               aice_pack_htdmc(AICE_CMD_T_WRITE_DTR, target_id, 0, 0, data, 
AICE_LITTLE_ENDIAN);
-
-               aice_usb_write(usb_out_buffer, AICE_FORMAT_HTDMC);
-
-               LOG_DEBUG("WRITE_DTR, COREID: %" PRIu8 ", data: 0x%" PRIx32, 
target_id, data);
-
-               result = aice_usb_read(usb_in_buffer, AICE_FORMAT_DTHMB);
-               if (AICE_FORMAT_DTHMB != result) {
-                       LOG_ERROR("aice_usb_read failed (requested=%" PRId32 ", 
result=%" PRId32 ")", AICE_FORMAT_DTHMB, result);
-                       return ERROR_FAIL;
-               }
-
-               uint8_t cmd_ack_code;
-               uint8_t extra_length;
-               uint8_t res_target_id;
-               aice_unpack_dthmb(&cmd_ack_code, &res_target_id, &extra_length);
-
-               if (cmd_ack_code == AICE_CMD_T_WRITE_DTR) {
-                       LOG_DEBUG("WRITE_DTR response");
-                       break;
-               } else {
-                       if (retry_times > aice_max_retry_times) {
-                               LOG_ERROR("aice command timeout (command=0x%" 
PRIx8 ", response=0x%" PRIx8 ")",
-                                               AICE_CMD_T_WRITE_DTR, 
cmd_ack_code);
-
-                               return ERROR_FAIL;
-                       }
-
-                       /* clear timeout and retry */
-                       if (aice_reset_box() != ERROR_OK)
-                               return ERROR_FAIL;
-
-                       retry_times++;
-               }
-       } while (1);
-
-       return ERROR_OK;
-}
-
-int aice_write_dtr_from_buffer(uint8_t target_id, uint32_t buffer_idx)
-{
-       int32_t result;
-       int retry_times = 0;
-
-       if (AICE_COMMAND_MODE_PACK == aice_command_mode) {
-               aice_usb_packet_flush();
-       } else if (AICE_COMMAND_MODE_BATCH == aice_command_mode) {
-               aice_pack_htdma(AICE_CMD_WRITE_DTR_FROM_BUFFER, target_id, 0, 
buffer_idx);
-               return aice_usb_packet_append(usb_out_buffer, AICE_FORMAT_HTDMA,
-                               AICE_FORMAT_DTHMB);
-       }
-
-       do {
-               aice_pack_htdma(AICE_CMD_WRITE_DTR_FROM_BUFFER, target_id, 0, 
buffer_idx);
-
-               aice_usb_write(usb_out_buffer, AICE_FORMAT_HTDMA);
-
-               LOG_DEBUG("WRITE_DTR_FROM_BUFFER, COREID: %" PRIu8 "", 
target_id);
-
-               result = aice_usb_read(usb_in_buffer, AICE_FORMAT_DTHMB);
-               if (AICE_FORMAT_DTHMB != result) {
-                       LOG_ERROR("aice_usb_read failed (requested=%" PRId32 ", 
result=%" PRId32 ")", AICE_FORMAT_DTHMB, result);
-                       return ERROR_FAIL;
-               }
-
-               uint8_t cmd_ack_code;
-               uint8_t extra_length;
-               uint8_t res_target_id;
-               aice_unpack_dthmb(&cmd_ack_code, &res_target_id, &extra_length);
-
-               if (cmd_ack_code == AICE_CMD_WRITE_DTR_FROM_BUFFER) {
-                       break;
-               } else {
-                       if (retry_times > aice_max_retry_times) {
-                               LOG_ERROR("aice command timeout (command=0x%" 
PRIx8 ", response=0x%" PRIx8 ")",
-                                               AICE_CMD_WRITE_DTR_FROM_BUFFER, 
cmd_ack_code);
-
-                               return ERROR_FAIL;
-                       }
-
-                       /* clear timeout and retry */
-                       if (aice_reset_box() != ERROR_OK)
-                               return ERROR_FAIL;
-
-                       retry_times++;
-               }
-       } while (1);
-
-       return ERROR_OK;
-}
-
-int aice_read_misc(uint8_t target_id, uint32_t address, uint32_t *data)
-{
-       int32_t result;
-       int retry_times = 0;
-
-       if ((AICE_COMMAND_MODE_PACK == aice_command_mode) ||
-               (AICE_COMMAND_MODE_BATCH == aice_command_mode))
-               aice_usb_packet_flush();
-
-       do {
-               aice_pack_htdma(AICE_CMD_T_READ_MISC, target_id, 0, address);
-
-               aice_usb_write(usb_out_buffer, AICE_FORMAT_HTDMA);
-
-               LOG_DEBUG("READ_MISC, COREID: %" PRIu8 ", address: 0x%" PRIx32, 
target_id, address);
-
-               result = aice_usb_read(usb_in_buffer, AICE_FORMAT_DTHMA);
-               if (AICE_FORMAT_DTHMA != result) {
-                       LOG_ERROR("aice_usb_read failed (requested=%" PRId32 ", 
result=%" PRId32 ")",
-                                       AICE_FORMAT_DTHMA, result);
-                       return ERROR_AICE_DISCONNECT;
-               }
-
-               uint8_t cmd_ack_code;
-               uint8_t extra_length;
-               uint8_t res_target_id;
-               aice_unpack_dthma(&cmd_ack_code, &res_target_id, &extra_length,
-                               data, AICE_LITTLE_ENDIAN);
-
-               if (cmd_ack_code == AICE_CMD_T_READ_MISC) {
-                       LOG_DEBUG("READ_MISC response, data: 0x%" PRIx32, 
*data);
-                       break;
-               } else {
-                       if (retry_times > aice_max_retry_times) {
-                               LOG_ERROR("aice command timeout (command=0x%" 
PRIx8 ", response=0x%" PRIx8 ")",
-                                               AICE_CMD_T_READ_MISC, 
cmd_ack_code);
-                               return ERROR_FAIL;
-                       }
-
-                       /* clear timeout and retry */
-                       if (aice_reset_box() != ERROR_OK)
-                               return ERROR_FAIL;
-
-                       retry_times++;
-               }
-       } while (1);
-
-       return ERROR_OK;
-}
-
-int aice_write_misc(uint8_t target_id, uint32_t address, uint32_t data)
-{
-       int32_t result;
-       int retry_times = 0;
-
-       if (AICE_COMMAND_MODE_PACK == aice_command_mode) {
-               aice_usb_packet_flush();
-       } else if (AICE_COMMAND_MODE_BATCH == aice_command_mode) {
-               aice_pack_htdmc(AICE_CMD_T_WRITE_MISC, target_id, 0, address, 
data,
-                               AICE_LITTLE_ENDIAN);
-               return aice_usb_packet_append(usb_out_buffer, AICE_FORMAT_HTDMC,
-                               AICE_FORMAT_DTHMB);
-       }
-
-       do {
-               aice_pack_htdmc(AICE_CMD_T_WRITE_MISC, target_id, 0, address,
-                               data, AICE_LITTLE_ENDIAN);
-
-               aice_usb_write(usb_out_buffer, AICE_FORMAT_HTDMC);
-
-               LOG_DEBUG("WRITE_MISC, COREID: %" PRIu8 ", address: 0x%" PRIx32 
", data: 0x%" PRIx32,
-                               target_id, address, data);
-
-               result = aice_usb_read(usb_in_buffer, AICE_FORMAT_DTHMB);
-               if (AICE_FORMAT_DTHMB != result) {
-                       LOG_ERROR("aice_usb_read failed (requested=%" PRId32 ", 
result=%" PRId32 ")",
-                                       AICE_FORMAT_DTHMB, result);
-                       return ERROR_FAIL;
-               }
-
-               uint8_t cmd_ack_code;
-               uint8_t extra_length;
-               uint8_t res_target_id;
-               aice_unpack_dthmb(&cmd_ack_code, &res_target_id, &extra_length);
-
-               if (cmd_ack_code == AICE_CMD_T_WRITE_MISC) {
-                       LOG_DEBUG("WRITE_MISC response");
-                       break;
-               } else {
-                       if (retry_times > aice_max_retry_times) {
-                               LOG_ERROR("aice command timeout (command=0x%" 
PRIx8 ", response=0x%" PRIx8 ")",
-                                               AICE_CMD_T_WRITE_MISC, 
cmd_ack_code);
-
-                               return ERROR_FAIL;
-                       }
-
-                       /* clear timeout and retry */
-                       if (aice_reset_box() != ERROR_OK)
-                               return ERROR_FAIL;
-
-                       retry_times++;
-               }
-       } while (1);
-
-       return ERROR_OK;
-}
-
-int aice_read_edmsr(uint8_t target_id, uint32_t address, uint32_t *data)
-{
-       int32_t result;
-       int retry_times = 0;
-
-       if ((AICE_COMMAND_MODE_PACK == aice_command_mode) ||
-               (AICE_COMMAND_MODE_BATCH == aice_command_mode))
-               aice_usb_packet_flush();
-
-       do {
-               aice_pack_htdma(AICE_CMD_T_READ_EDMSR, target_id, 0, address);
-
-               aice_usb_write(usb_out_buffer, AICE_FORMAT_HTDMA);
-
-               LOG_DEBUG("READ_EDMSR, COREID: %" PRIu8 ", address: 0x%" 
PRIx32, target_id, address);
-
-               result = aice_usb_read(usb_in_buffer, AICE_FORMAT_DTHMA);
-               if (AICE_FORMAT_DTHMA != result) {
-                       LOG_ERROR("aice_usb_read failed (requested=%" PRId32 ", 
result=%" PRId32 ")",
-                                       AICE_FORMAT_DTHMA, result);
-                       return ERROR_FAIL;
-               }
-
-               uint8_t cmd_ack_code;
-               uint8_t extra_length;
-               uint8_t res_target_id;
-               aice_unpack_dthma(&cmd_ack_code, &res_target_id, &extra_length,
-                               data, AICE_LITTLE_ENDIAN);
-
-               if (cmd_ack_code == AICE_CMD_T_READ_EDMSR) {
-                       LOG_DEBUG("READ_EDMSR response, data: 0x%" PRIx32, 
*data);
-                       break;
-               } else {
-                       if (retry_times > aice_max_retry_times) {
-                               LOG_ERROR("aice command timeout (command=0x%" 
PRIx8 ", response=0x%" PRIx8 ")",
-                                               AICE_CMD_T_READ_EDMSR, 
cmd_ack_code);
-
-                               return ERROR_FAIL;
-                       }
-
-                       /* clear timeout and retry */
-                       if (aice_reset_box() != ERROR_OK)
-                               return ERROR_FAIL;
-
-                       retry_times++;
-               }
-       } while (1);
-
-       return ERROR_OK;
-}
-
-int aice_write_edmsr(uint8_t target_id, uint32_t address, uint32_t data)
-{
-       int32_t result;
-       int retry_times = 0;
-
-       if (AICE_COMMAND_MODE_PACK == aice_command_mode) {
-               aice_usb_packet_flush();
-       } else if (AICE_COMMAND_MODE_BATCH == aice_command_mode) {
-               aice_pack_htdmc(AICE_CMD_T_WRITE_EDMSR, target_id, 0, address, 
data,
-                               AICE_LITTLE_ENDIAN);
-               return aice_usb_packet_append(usb_out_buffer, AICE_FORMAT_HTDMC,
-                               AICE_FORMAT_DTHMB);
-       }
-
-       do {
-               aice_pack_htdmc(AICE_CMD_T_WRITE_EDMSR, target_id, 0, address,
-                               data, AICE_LITTLE_ENDIAN);
-
-               aice_usb_write(usb_out_buffer, AICE_FORMAT_HTDMC);
-
-               LOG_DEBUG("WRITE_EDMSR, COREID: %" PRIu8 ", address: 0x%" 
PRIx32 ", data: 0x%" PRIx32,
-                               target_id, address, data);
-
-               result = aice_usb_read(usb_in_buffer, AICE_FORMAT_DTHMB);
-               if (AICE_FORMAT_DTHMB != result) {
-                       LOG_ERROR("aice_usb_read failed (requested=%" PRId32 ", 
result=%" PRId32 ")",
-                                       AICE_FORMAT_DTHMB, result);
-                       return ERROR_FAIL;
-               }
-
-               uint8_t cmd_ack_code;
-               uint8_t extra_length;
-               uint8_t res_target_id;
-               aice_unpack_dthmb(&cmd_ack_code, &res_target_id, &extra_length);
-
-               if (cmd_ack_code == AICE_CMD_T_WRITE_EDMSR) {
-                       LOG_DEBUG("WRITE_EDMSR response");
-                       break;
-               } else {
-                       if (retry_times > aice_max_retry_times) {
-                               LOG_ERROR("aice command timeout (command=0x%" 
PRIx8 ", response=0x%" PRIx8 ")",
-                                               AICE_CMD_T_WRITE_EDMSR, 
cmd_ack_code);
-
-                               return ERROR_FAIL;
-                       }
-
-                       /* clear timeout and retry */
-                       if (aice_reset_box() != ERROR_OK)
-                               return ERROR_FAIL;
-
-                       retry_times++;
-               }
-       } while (1);
-
-       return ERROR_OK;
-}
-
-static int aice_switch_to_big_endian(uint32_t *word, uint8_t num_of_words)
-{
-       uint32_t tmp;
-
-       for (uint8_t i = 0 ; i < num_of_words ; i++) {
-               tmp = ((word[i] >> 24) & 0x000000FF) |
-                       ((word[i] >>  8) & 0x0000FF00) |
-                       ((word[i] <<  8) & 0x00FF0000) |
-                       ((word[i] << 24) & 0xFF000000);
-               word[i] = tmp;
-       }
-
-       return ERROR_OK;
-}
-
-static int aice_write_dim(uint8_t target_id, uint32_t *word, uint8_t 
num_of_words)
-{
-       int32_t result;
-       uint32_t big_endian_word[4];
-       int retry_times = 0;
-
-       /** instruction is big-endian */
-       memcpy(big_endian_word, word, sizeof(big_endian_word));
-       aice_switch_to_big_endian(big_endian_word, num_of_words);
-
-       if (AICE_COMMAND_MODE_PACK == aice_command_mode) {
-               aice_usb_packet_flush();
-       } else if (AICE_COMMAND_MODE_BATCH == aice_command_mode) {
-               aice_pack_htdmc_multiple_data(AICE_CMD_T_WRITE_DIM, target_id,
-                               num_of_words - 1, 0, big_endian_word, 
num_of_words,
-                               AICE_LITTLE_ENDIAN);
-               return aice_usb_packet_append(usb_out_buffer,
-                               AICE_FORMAT_HTDMC + (num_of_words - 1) * 4,
-                               AICE_FORMAT_DTHMB);
-       }
-
-       do {
-               aice_pack_htdmc_multiple_data(AICE_CMD_T_WRITE_DIM, target_id, 
num_of_words - 1, 0,
-                               big_endian_word, num_of_words, 
AICE_LITTLE_ENDIAN);
-
-               aice_usb_write(usb_out_buffer, AICE_FORMAT_HTDMC + 
(num_of_words - 1) * 4);
-
-               LOG_DEBUG("WRITE_DIM, COREID: %" PRIu8
-                               ", data: 0x%08" PRIx32 ", 0x%08" PRIx32 ", 
0x%08" PRIx32 ", 0x%08" PRIx32,
-                               target_id,
-                               big_endian_word[0],
-                               big_endian_word[1],
-                               big_endian_word[2],
-                               big_endian_word[3]);
-
-               result = aice_usb_read(usb_in_buffer, AICE_FORMAT_DTHMB);
-               if (AICE_FORMAT_DTHMB != result) {
-                       LOG_ERROR("aice_usb_read failed (requested=%" PRId32 ", 
result=%" PRId32 ")", AICE_FORMAT_DTHMB, result);
-                       return ERROR_FAIL;
-               }
-
-               uint8_t cmd_ack_code;
-               uint8_t extra_length;
-               uint8_t res_target_id;
-               aice_unpack_dthmb(&cmd_ack_code, &res_target_id, &extra_length);
-
-
-               if (cmd_ack_code == AICE_CMD_T_WRITE_DIM) {
-                       LOG_DEBUG("WRITE_DIM response");
-                       break;
-               } else {
-                       if (retry_times > aice_max_retry_times) {
-                               LOG_ERROR("aice command timeout (command=0x%" 
PRIx8
-                                               ", response=0x%" PRIx8 ")",
-                                               AICE_CMD_T_WRITE_DIM, 
cmd_ack_code);
-
-                               return ERROR_FAIL;
-                       }
-
-                       /* clear timeout and retry */
-                       if (aice_reset_box() != ERROR_OK)
-                               return ERROR_FAIL;
-
-                       retry_times++;
-               }
-       } while (1);
-
-       return ERROR_OK;
-}
-
-static int aice_do_execute(uint8_t target_id)
-{
-       int32_t result;
-       int retry_times = 0;
-
-       if (AICE_COMMAND_MODE_PACK == aice_command_mode) {
-               aice_usb_packet_flush();
-       } else if (AICE_COMMAND_MODE_BATCH == aice_command_mode) {
-               aice_pack_htdmc(AICE_CMD_T_EXECUTE, target_id, 0, 0, 0, 
AICE_LITTLE_ENDIAN);
-               return aice_usb_packet_append(usb_out_buffer,
-                               AICE_FORMAT_HTDMC,
-                               AICE_FORMAT_DTHMB);
-       }
-
-       do {
-               aice_pack_htdmc(AICE_CMD_T_EXECUTE, target_id, 0, 0, 0, 
AICE_LITTLE_ENDIAN);
-
-               aice_usb_write(usb_out_buffer, AICE_FORMAT_HTDMC);
-
-               LOG_DEBUG("EXECUTE, COREID: %" PRIu8 "", target_id);
-
-               result = aice_usb_read(usb_in_buffer, AICE_FORMAT_DTHMB);
-               if (AICE_FORMAT_DTHMB != result) {
-                       LOG_ERROR("aice_usb_read failed (requested=%" PRId32 ", 
result=%" PRId32 ")",
-                                       AICE_FORMAT_DTHMB, result);
-                       return ERROR_FAIL;
-               }
-
-               uint8_t cmd_ack_code;
-               uint8_t extra_length;
-               uint8_t res_target_id;
-               aice_unpack_dthmb(&cmd_ack_code, &res_target_id, &extra_length);
-
-               if (cmd_ack_code == AICE_CMD_T_EXECUTE) {
-                       LOG_DEBUG("EXECUTE response");
-                       break;
-               } else {
-                       if (retry_times > aice_max_retry_times) {
-                               LOG_ERROR("aice command timeout (command=0x%" 
PRIx8 ", response=0x%" PRIx8 ")",
-                                               AICE_CMD_T_EXECUTE, 
cmd_ack_code);
-
-                               return ERROR_FAIL;
-                       }
-
-                       /* clear timeout and retry */
-                       if (aice_reset_box() != ERROR_OK)
-                               return ERROR_FAIL;
-
-                       retry_times++;
-               }
-       } while (1);
-
-       return ERROR_OK;
-}
-
-int aice_write_mem_b(uint8_t target_id, uint32_t address, uint32_t data)
-{
-       int32_t result;
-       int retry_times = 0;
-
-       LOG_DEBUG("WRITE_MEM_B, COREID: %" PRIu8 ", ADDRESS %08" PRIx32 "  
VALUE %08" PRIx32,
-                       target_id,
-                       address,
-                       data);
-
-       if ((AICE_COMMAND_MODE_PACK == aice_command_mode) ||
-               (AICE_COMMAND_MODE_BATCH == aice_command_mode)) {
-               aice_pack_htdmd(AICE_CMD_T_WRITE_MEM_B, target_id, 0, address,
-                               data & 0x000000FF, data_endian);
-               return aice_usb_packet_append(usb_out_buffer, AICE_FORMAT_HTDMD,
-                               AICE_FORMAT_DTHMB);
-       } else {
-               do {
-                       aice_pack_htdmd(AICE_CMD_T_WRITE_MEM_B, target_id, 0,
-                                       address, data & 0x000000FF, 
data_endian);
-                       aice_usb_write(usb_out_buffer, AICE_FORMAT_HTDMD);
-
-                       result = aice_usb_read(usb_in_buffer, 
AICE_FORMAT_DTHMB);
-                       if (AICE_FORMAT_DTHMB != result) {
-                               LOG_ERROR("aice_usb_read failed (requested=%" 
PRId32
-                                               ", result=%" PRId32 ")", 
AICE_FORMAT_DTHMB, result);
-                               return ERROR_FAIL;
-                       }
-
-                       uint8_t cmd_ack_code;
-                       uint8_t extra_length;
-                       uint8_t res_target_id;
-                       aice_unpack_dthmb(&cmd_ack_code, &res_target_id, 
&extra_length);
-
-                       if (cmd_ack_code == AICE_CMD_T_WRITE_MEM_B) {
-                               break;
-                       } else {
-                               if (retry_times > aice_max_retry_times) {
-                                       LOG_ERROR("aice command timeout 
(command=0x%" PRIx8 ", response=0x%" PRIx8 ")",
-                                                       AICE_CMD_T_WRITE_MEM_B, 
cmd_ack_code);
-
-                                       return ERROR_FAIL;
-                               }
-
-                               /* clear timeout and retry */
-                               if (aice_reset_box() != ERROR_OK)
-                                       return ERROR_FAIL;
-
-                               retry_times++;
-                       }
-               } while (1);
-       }
-
-       return ERROR_OK;
-}
-
-int aice_write_mem_h(uint8_t target_id, uint32_t address, uint32_t data)
-{
-       int32_t result;
-       int retry_times = 0;
-
-       LOG_DEBUG("WRITE_MEM_H, COREID: %" PRIu8 ", ADDRESS %08" PRIx32 "  
VALUE %08" PRIx32,
-                       target_id,
-                       address,
-                       data);
-
-       if ((AICE_COMMAND_MODE_PACK == aice_command_mode) ||
-               (AICE_COMMAND_MODE_BATCH == aice_command_mode)) {
-               aice_pack_htdmd(AICE_CMD_T_WRITE_MEM_H, target_id, 0,
-                               (address >> 1) & 0x7FFFFFFF, data & 0x0000FFFF, 
data_endian);
-               return aice_usb_packet_append(usb_out_buffer, AICE_FORMAT_HTDMD,
-                               AICE_FORMAT_DTHMB);
-       } else {
-               do {
-                       aice_pack_htdmd(AICE_CMD_T_WRITE_MEM_H, target_id, 0,
-                                       (address >> 1) & 0x7FFFFFFF, data & 
0x0000FFFF, data_endian);
-                       aice_usb_write(usb_out_buffer, AICE_FORMAT_HTDMD);
-
-                       result = aice_usb_read(usb_in_buffer, 
AICE_FORMAT_DTHMB);
-                       if (AICE_FORMAT_DTHMB != result) {
-                               LOG_ERROR("aice_usb_read failed (requested=%" 
PRId32 ", result=%" PRId32 ")",
-                                               AICE_FORMAT_DTHMB, result);
-                               return ERROR_FAIL;
-                       }
-
-                       uint8_t cmd_ack_code;
-                       uint8_t extra_length;
-                       uint8_t res_target_id;
-                       aice_unpack_dthmb(&cmd_ack_code, &res_target_id, 
&extra_length);
-
-                       if (cmd_ack_code == AICE_CMD_T_WRITE_MEM_H) {
-                               break;
-                       } else {
-                               if (retry_times > aice_max_retry_times) {
-                                       LOG_ERROR("aice command timeout 
(command=0x%" PRIx8 ", response=0x%" PRIx8 ")",
-                                                       AICE_CMD_T_WRITE_MEM_H, 
cmd_ack_code);
-
-                                       return ERROR_FAIL;
-                               }
-
-                               /* clear timeout and retry */
-                               if (aice_reset_box() != ERROR_OK)
-                                       return ERROR_FAIL;
-
-                               retry_times++;
-                       }
-               } while (1);
-       }
-
-       return ERROR_OK;
-}
-
-int aice_write_mem(uint8_t target_id, uint32_t address, uint32_t data)
-{
-       int32_t result;
-       int retry_times = 0;
-
-       LOG_DEBUG("WRITE_MEM, COREID: %" PRIu8 ", ADDRESS %08" PRIx32 "  VALUE 
%08" PRIx32,
-                       target_id,
-                       address,
-                       data);
-
-       if ((AICE_COMMAND_MODE_PACK == aice_command_mode) ||
-               (AICE_COMMAND_MODE_BATCH == aice_command_mode)) {
-               aice_pack_htdmd(AICE_CMD_T_WRITE_MEM, target_id, 0,
-                               (address >> 2) & 0x3FFFFFFF, data, data_endian);
-               return aice_usb_packet_append(usb_out_buffer, AICE_FORMAT_HTDMD,
-                               AICE_FORMAT_DTHMB);
-       } else {
-               do {
-                       aice_pack_htdmd(AICE_CMD_T_WRITE_MEM, target_id, 0,
-                                       (address >> 2) & 0x3FFFFFFF, data, 
data_endian);
-                       aice_usb_write(usb_out_buffer, AICE_FORMAT_HTDMD);
-
-                       result = aice_usb_read(usb_in_buffer, 
AICE_FORMAT_DTHMB);
-                       if (AICE_FORMAT_DTHMB != result) {
-                               LOG_ERROR("aice_usb_read failed (requested=%" 
PRId32 ", result=%" PRId32 ")",
-                                               AICE_FORMAT_DTHMB, result);
-                               return ERROR_FAIL;
-                       }
-
-                       uint8_t cmd_ack_code;
-                       uint8_t extra_length;
-                       uint8_t res_target_id;
-                       aice_unpack_dthmb(&cmd_ack_code, &res_target_id, 
&extra_length);
-
-                       if (cmd_ack_code == AICE_CMD_T_WRITE_MEM) {
-                               break;
-                       } else {
-                               if (retry_times > aice_max_retry_times) {
-                                       LOG_ERROR("aice command timeout 
(command=0x%" PRIx8 ", response=0x%" PRIx8 ")",
-                                                       AICE_CMD_T_WRITE_MEM, 
cmd_ack_code);
-
-                                       return ERROR_FAIL;
-                               }
-
-                               /* clear timeout and retry */
-                               if (aice_reset_box() != ERROR_OK)
-                                       return ERROR_FAIL;
-
-                               retry_times++;
-                       }
-               } while (1);
-       }
-
-       return ERROR_OK;
-}
-
-int aice_fastread_mem(uint8_t target_id, uint8_t *word, uint32_t num_of_words)
-{
-       int32_t result;
-       int retry_times = 0;
-
-       if ((AICE_COMMAND_MODE_PACK == aice_command_mode) ||
-               (AICE_COMMAND_MODE_BATCH == aice_command_mode))
-               aice_usb_packet_flush();
-
-       do {
-               aice_pack_htdmb(AICE_CMD_T_FASTREAD_MEM, target_id, 
num_of_words - 1, 0);
-
-               aice_usb_write(usb_out_buffer, AICE_FORMAT_HTDMB);
-
-               LOG_DEBUG("FASTREAD_MEM, COREID: %" PRIu8 ", # of DATA %08" 
PRIx32,
-                               target_id, num_of_words);
-
-               result = aice_usb_read(usb_in_buffer, AICE_FORMAT_DTHMA + 
(num_of_words - 1) * 4);
-               if (result < 0) {
-                       LOG_ERROR("aice_usb_read failed (requested=%" PRId32 ", 
result=%" PRId32 ")",
-                                       AICE_FORMAT_DTHMA + (num_of_words - 1) 
* 4, result);
-                       return ERROR_FAIL;
-               }
-
-               uint8_t cmd_ack_code;
-               uint8_t extra_length;
-               uint8_t res_target_id;
-               aice_unpack_dthma_multiple_data(&cmd_ack_code, &res_target_id,
-                               &extra_length, word, data_endian);
-
-               if (cmd_ack_code == AICE_CMD_T_FASTREAD_MEM) {
-                       break;
-               } else {
-                       if (retry_times > aice_max_retry_times) {
-                               LOG_ERROR("aice command timeout (command=0x%" 
PRIx8 ", response=0x%" PRIx8 ")",
-                                               AICE_CMD_T_FASTREAD_MEM, 
cmd_ack_code);
-
-                               return ERROR_FAIL;
-                       }
-
-                       /* clear timeout and retry */
-                       if (aice_reset_box() != ERROR_OK)
-                               return ERROR_FAIL;
-
-                       retry_times++;
-               }
-       } while (1);
-
-       return ERROR_OK;
-}
-
-int aice_fastwrite_mem(uint8_t target_id, const uint8_t *word, uint32_t 
num_of_words)
-{
-       int32_t result;
-       int retry_times = 0;
-
-       if (AICE_COMMAND_MODE_PACK == aice_command_mode) {
-               aice_usb_packet_flush();
-       } else if (AICE_COMMAND_MODE_BATCH == aice_command_mode) {
-               aice_pack_htdmd_multiple_data(AICE_CMD_T_FASTWRITE_MEM, 
target_id,
-                               num_of_words - 1, 0, word, data_endian);
-               return aice_usb_packet_append(usb_out_buffer,
-                               AICE_FORMAT_HTDMD + (num_of_words - 1) * 4,
-                               AICE_FORMAT_DTHMB);
-       }
-
-       do {
-               aice_pack_htdmd_multiple_data(AICE_CMD_T_FASTWRITE_MEM, 
target_id,
-                               num_of_words - 1, 0, word, data_endian);
-
-               aice_usb_write(usb_out_buffer, AICE_FORMAT_HTDMD + 
(num_of_words - 1) * 4);
-
-               LOG_DEBUG("FASTWRITE_MEM, COREID: %" PRIu8 ", # of DATA %08" 
PRIx32,
-                               target_id, num_of_words);
-
-               result = aice_usb_read(usb_in_buffer, AICE_FORMAT_DTHMB);
-               if (AICE_FORMAT_DTHMB != result) {
-                       LOG_ERROR("aice_usb_read failed (requested=%" PRId32 ", 
result=%" PRId32 ")",
-                                       AICE_FORMAT_DTHMB, result);
-                       return ERROR_FAIL;
-               }
-
-               uint8_t cmd_ack_code;
-               uint8_t extra_length;
-               uint8_t res_target_id;
-               aice_unpack_dthmb(&cmd_ack_code, &res_target_id, &extra_length);
-
-               if (cmd_ack_code == AICE_CMD_T_FASTWRITE_MEM) {
-                       break;
-               } else {
-                       if (retry_times > aice_max_retry_times) {
-                               LOG_ERROR("aice command timeout (command=0x%" 
PRIx8 ", response=0x%" PRIx8 ")",
-                                               AICE_CMD_T_FASTWRITE_MEM, 
cmd_ack_code);
-
-                               return ERROR_FAIL;
-                       }
-
-                       /* clear timeout and retry */
-                       if (aice_reset_box() != ERROR_OK)
-                               return ERROR_FAIL;
-
-                       retry_times++;
-               }
-       } while (1);
-
-       return ERROR_OK;
-}
-
-int aice_read_mem_b(uint8_t target_id, uint32_t address, uint32_t *data)
-{
-       int32_t result;
-       int retry_times = 0;
-
-       if ((AICE_COMMAND_MODE_PACK == aice_command_mode) ||
-               (AICE_COMMAND_MODE_BATCH == aice_command_mode))
-               aice_usb_packet_flush();
-
-       do {
-               aice_pack_htdmb(AICE_CMD_T_READ_MEM_B, target_id, 0, address);
-
-               aice_usb_write(usb_out_buffer, AICE_FORMAT_HTDMB);
-
-               LOG_DEBUG("READ_MEM_B, COREID: %" PRIu8 "", target_id);
-
-               result = aice_usb_read(usb_in_buffer, AICE_FORMAT_DTHMA);
-               if (AICE_FORMAT_DTHMA != result) {
-                       LOG_ERROR("aice_usb_read failed (requested=%" PRId32 ", 
result=%" PRId32 ")",
-                                       AICE_FORMAT_DTHMA, result);
-                       return ERROR_FAIL;
-               }
-
-               uint8_t cmd_ack_code;
-               uint8_t extra_length;
-               uint8_t res_target_id;
-               aice_unpack_dthma(&cmd_ack_code, &res_target_id, &extra_length,
-                               data, data_endian);
-
-               if (cmd_ack_code == AICE_CMD_T_READ_MEM_B) {
-                       LOG_DEBUG("READ_MEM_B response, data: 0x%02" PRIx32, 
*data);
-                       break;
-               } else {
-                       if (retry_times > aice_max_retry_times) {
-                               LOG_ERROR("aice command timeout (command=0x%" 
PRIx8 ", response=0x%" PRIx8 ")",
-                                               AICE_CMD_T_READ_MEM_B, 
cmd_ack_code);
-
-                               return ERROR_FAIL;
-                       }
-
-                       /* clear timeout and retry */
-                       if (aice_reset_box() != ERROR_OK)
-                               return ERROR_FAIL;
-
-                       retry_times++;
-               }
-       } while (1);
-
-       return ERROR_OK;
-}
-
-int aice_read_mem_h(uint8_t target_id, uint32_t address, uint32_t *data)
-{
-       int32_t result;
-       int retry_times = 0;
-
-       if ((AICE_COMMAND_MODE_PACK == aice_command_mode) ||
-               (AICE_COMMAND_MODE_BATCH == aice_command_mode))
-               aice_usb_packet_flush();
-
-       do {
-               aice_pack_htdmb(AICE_CMD_T_READ_MEM_H, target_id, 0, (address 
>> 1) & 0x7FFFFFFF);
-
-               aice_usb_write(usb_out_buffer, AICE_FORMAT_HTDMB);
-
-               LOG_DEBUG("READ_MEM_H, CORE_ID: %" PRIu8 "", target_id);
-
-               result = aice_usb_read(usb_in_buffer, AICE_FORMAT_DTHMA);
-               if (AICE_FORMAT_DTHMA != result) {
-                       LOG_ERROR("aice_usb_read failed (requested=%" PRId32 ", 
result=%" PRId32 ")",
-                                       AICE_FORMAT_DTHMA, result);
-                       return ERROR_FAIL;
-               }
-
-               uint8_t cmd_ack_code;
-               uint8_t extra_length;
-               uint8_t res_target_id;
-               aice_unpack_dthma(&cmd_ack_code, &res_target_id, &extra_length,
-                               data, data_endian);
-
-               if (cmd_ack_code == AICE_CMD_T_READ_MEM_H) {
-                       LOG_DEBUG("READ_MEM_H response, data: 0x%" PRIx32, 
*data);
-                       break;
-               } else {
-                       if (retry_times > aice_max_retry_times) {
-                               LOG_ERROR("aice command timeout (command=0x%" 
PRIx8 ", response=0x%" PRIx8 ")",
-                                               AICE_CMD_T_READ_MEM_H, 
cmd_ack_code);
-
-                               return ERROR_FAIL;
-                       }
-
-                       /* clear timeout and retry */
-                       if (aice_reset_box() != ERROR_OK)
-                               return ERROR_FAIL;
-
-                       retry_times++;
-               }
-       } while (1);
-
-       return ERROR_OK;
-}
-
-int aice_read_mem(uint8_t target_id, uint32_t address, uint32_t *data)
-{
-       int32_t result;
-       int retry_times = 0;
-
-       if ((AICE_COMMAND_MODE_PACK == aice_command_mode) ||
-               (AICE_COMMAND_MODE_BATCH == aice_command_mode))
-               aice_usb_packet_flush();
-
-       do {
-               aice_pack_htdmb(AICE_CMD_T_READ_MEM, target_id, 0,
-                               (address >> 2) & 0x3FFFFFFF);
-
-               aice_usb_write(usb_out_buffer, AICE_FORMAT_HTDMB);
-
-               LOG_DEBUG("READ_MEM, COREID: %" PRIu8 "", target_id);
-
-               result = aice_usb_read(usb_in_buffer, AICE_FORMAT_DTHMA);
-               if (AICE_FORMAT_DTHMA != result) {
-                       LOG_ERROR("aice_usb_read failed (requested=%" PRId32 ", 
result=%" PRId32 ")",
-                                       AICE_FORMAT_DTHMA, result);
-                       return ERROR_FAIL;
-               }
-
-               uint8_t cmd_ack_code;
-               uint8_t extra_length;
-               uint8_t res_target_id;
-               aice_unpack_dthma(&cmd_ack_code, &res_target_id, &extra_length,
-                               data, data_endian);
-
-               if (cmd_ack_code == AICE_CMD_T_READ_MEM) {
-                       LOG_DEBUG("READ_MEM response, data: 0x%" PRIx32, *data);
-                       break;
-               } else {
-                       if (retry_times > aice_max_retry_times) {
-                               LOG_ERROR("aice command timeout (command=0x%" 
PRIx8 ", response=0x%" PRIx8 ")",
-                                               AICE_CMD_T_READ_MEM, 
cmd_ack_code);
-
-                               return ERROR_FAIL;
-                       }
-
-                       /* clear timeout and retry */
-                       if (aice_reset_box() != ERROR_OK)
-                               return ERROR_FAIL;
-
-                       retry_times++;
-               }
-       } while (1);
-
-       return ERROR_OK;
-}
-
-int aice_batch_buffer_read(uint8_t buf_index, uint32_t *word, uint32_t 
num_of_words)
-{
-       int32_t result;
-       int retry_times = 0;
-
-       do {
-               aice_pack_htdma(AICE_CMD_BATCH_BUFFER_READ, 0, num_of_words - 
1, buf_index);
-
-               aice_usb_write(usb_out_buffer, AICE_FORMAT_HTDMA);
-
-               LOG_DEBUG("BATCH_BUFFER_READ, # of DATA %08" PRIx32, 
num_of_words);
-
-               result = aice_usb_read(usb_in_buffer, AICE_FORMAT_DTHMA + 
(num_of_words - 1) * 4);
-               if (result < 0) {
-                       LOG_ERROR("aice_usb_read failed (requested=%" PRId32 ", 
result=%" PRId32 ")",
-                                       AICE_FORMAT_DTHMA + (num_of_words - 1) 
* 4, result);
-                       return ERROR_FAIL;
-               }
-
-               uint8_t cmd_ack_code;
-               uint8_t extra_length;
-               uint8_t res_target_id;
-               aice_unpack_dthma_multiple_data(&cmd_ack_code, &res_target_id,
-                               &extra_length, (uint8_t *)word, data_endian);
-
-               if (cmd_ack_code == AICE_CMD_BATCH_BUFFER_READ) {
-                       break;
-               } else {
-                       if (retry_times > aice_max_retry_times) {
-                               LOG_ERROR("aice command timeout (command=0x%" 
PRIx8 ", response=0x%" PRIx8 ")",
-                                               AICE_CMD_BATCH_BUFFER_READ, 
cmd_ack_code);
-
-                               return ERROR_FAIL;
-                       }
-
-                       /* clear timeout and retry */
-                       if (aice_reset_box() != ERROR_OK)
-                               return ERROR_FAIL;
-
-                       retry_times++;
-               }
-       } while (1);
-
-       return ERROR_OK;
-}
-
-int aice_batch_buffer_write(uint8_t buf_index, const uint8_t *word, uint32_t 
num_of_words)
-{
-       int32_t result;
-       int retry_times = 0;
-
-       if (num_of_words == 0)
-               return ERROR_OK;
-
-       do {
-               /* only pack AICE_CMD_BATCH_BUFFER_WRITE command header */
-               aice_pack_htdmc(AICE_CMD_BATCH_BUFFER_WRITE, 0, num_of_words - 
1, buf_index,
-                               0, data_endian);
-
-               /* use append instead of pack */
-               memcpy(usb_out_buffer + 4, word, num_of_words * 4);
-
-               aice_usb_write(usb_out_buffer, AICE_FORMAT_HTDMC + 
(num_of_words - 1) * 4);
-
-               LOG_DEBUG("BATCH_BUFFER_WRITE, # of DATA %08" PRIx32, 
num_of_words);
-
-               result = aice_usb_read(usb_in_buffer, AICE_FORMAT_DTHMB);
-               if (AICE_FORMAT_DTHMB != result) {
-                       LOG_ERROR("aice_usb_read failed (requested=%" PRId32 ", 
result=%" PRId32 ")",
-                                       AICE_FORMAT_DTHMB, result);
-                       return ERROR_FAIL;
-               }
-
-               uint8_t cmd_ack_code;
-               uint8_t extra_length;
-               uint8_t res_target_id;
-               aice_unpack_dthmb(&cmd_ack_code, &res_target_id, &extra_length);
-
-               if (cmd_ack_code == AICE_CMD_BATCH_BUFFER_WRITE) {
-                       break;
-               } else {
-                       if (retry_times > aice_max_retry_times) {
-                               LOG_ERROR("aice command timeout (command=0x%" 
PRIx8 ", response=0x%" PRIx8 ")",
-                                               AICE_CMD_BATCH_BUFFER_WRITE, 
cmd_ack_code);
-
-                               return ERROR_FAIL;
-                       }
-
-                       /* clear timeout and retry */
-                       if (aice_reset_box() != ERROR_OK)
-                               return ERROR_FAIL;
-
-                       retry_times++;
-               }
-       } while (1);
-
-       return ERROR_OK;
-}
-
-/***************************************************************************/
-/* End of AICE commands */
-
-typedef int (*read_mem_func_t)(uint32_t coreid, uint32_t address, uint32_t 
*data);
-typedef int (*write_mem_func_t)(uint32_t coreid, uint32_t address, uint32_t 
data);
-
-struct aice_nds32_info core_info[AICE_MAX_NUM_CORE];
-static uint8_t total_num_of_core;
-
-static char *custom_srst_script;
-static char *custom_trst_script;
-static char *custom_restart_script;
-static uint32_t aice_count_to_check_dbger = 30;
-
-static int aice_read_reg(uint32_t coreid, uint32_t num, uint32_t *val);
-static int aice_write_reg(uint32_t coreid, uint32_t num, uint32_t val);
-
-static int check_suppressed_exception(uint32_t coreid, uint32_t dbger_value)
-{
-       uint32_t ir4_value;
-       uint32_t ir6_value;
-       /* the default value of handling_suppressed_exception is false */
-       static bool handling_suppressed_exception;
-
-       if (handling_suppressed_exception)
-               return ERROR_OK;
-
-       if ((dbger_value & NDS_DBGER_ALL_SUPRS_EX) == NDS_DBGER_ALL_SUPRS_EX) {
-               LOG_ERROR("<-- TARGET WARNING! Exception is detected and 
suppressed. -->");
-               handling_suppressed_exception = true;
-
-               aice_read_reg(coreid, IR4, &ir4_value);
-               /* Clear IR6.SUPRS_EXC, IR6.IMP_EXC */
-               aice_read_reg(coreid, IR6, &ir6_value);
-               /*
-                * For MCU version(MSC_CFG.MCU == 1) like V3m
-                *  | SWID[30:16] | Reserved[15:10] | SUPRS_EXC[9]  | IMP_EXC[8]
-                *  |VECTOR[7:5] | INST[4] | Exc Type[3:0] |
-                *
-                * For non-MCU version(MSC_CFG.MCU == 0) like V3
-                *  | SWID[30:16] | Reserved[15:14] | SUPRS_EXC[13] | 
IMP_EXC[12]
-                *  | VECTOR[11:5] | INST[4] | Exc Type[3:0] |
-                */
-               LOG_INFO("EVA: 0x%08" PRIx32, ir4_value);
-               LOG_INFO("ITYPE: 0x%08" PRIx32, ir6_value);
-
-               ir6_value = ir6_value & (~0x300); /* for MCU */
-               ir6_value = ir6_value & (~0x3000); /* for non-MCU */
-               aice_write_reg(coreid, IR6, ir6_value);
-
-               handling_suppressed_exception = false;
-       }
-
-       return ERROR_OK;
-}
-
-static int check_privilege(uint32_t coreid, uint32_t dbger_value)
-{
-       if ((dbger_value & NDS_DBGER_ILL_SEC_ACC) == NDS_DBGER_ILL_SEC_ACC) {
-               LOG_ERROR("<-- TARGET ERROR! Insufficient security privilege "
-                               "to execute the debug operations. -->");
-
-               /* Clear DBGER.ILL_SEC_ACC */
-               if (aice_write_misc(coreid, NDS_EDM_MISC_DBGER,
-                                       NDS_DBGER_ILL_SEC_ACC) != ERROR_OK)
-                       return ERROR_FAIL;
-       }
-
-       return ERROR_OK;
-}
-
-static int aice_check_dbger(uint32_t coreid, uint32_t expect_status)
-{
-       uint32_t i = 0;
-       uint32_t value_dbger;
-
-       while (1) {
-               aice_read_misc(coreid, NDS_EDM_MISC_DBGER, &value_dbger);
-
-               if ((value_dbger & expect_status) == expect_status) {
-                       if (ERROR_OK != check_suppressed_exception(coreid, 
value_dbger))
-                               return ERROR_FAIL;
-                       if (ERROR_OK != check_privilege(coreid, value_dbger))
-                               return ERROR_FAIL;
-                       return ERROR_OK;
-               }
-
-               if ((i % 30) == 0)
-                       keep_alive();
-
-               long long then = 0;
-               if (i == aice_count_to_check_dbger)
-                       then = timeval_ms();
-               if (i >= aice_count_to_check_dbger) {
-                       if ((timeval_ms() - then) > 1000) {
-                               LOG_ERROR("Timeout (1000ms) waiting for $DBGER 
status "
-                                               "being 0x%08" PRIx32, 
expect_status);
-                               return ERROR_FAIL;
-                       }
-               }
-               i++;
-       }
-
-       return ERROR_FAIL;
-}
-
-static int aice_execute_dim(uint32_t coreid, uint32_t *insts, uint8_t n_inst)
-{
-       /** fill DIM */
-       if (aice_write_dim(coreid, insts, n_inst) != ERROR_OK)
-               return ERROR_FAIL;
-
-       /** clear DBGER.DPED */
-       if (aice_write_misc(coreid, NDS_EDM_MISC_DBGER, NDS_DBGER_DPED) != 
ERROR_OK)
-               return ERROR_FAIL;
-
-       /** execute DIM */
-       if (aice_do_execute(coreid) != ERROR_OK)
-               return ERROR_FAIL;
-
-       /** read DBGER.DPED */
-       if (aice_check_dbger(coreid, NDS_DBGER_DPED) != ERROR_OK) {
-               LOG_ERROR("<-- TARGET ERROR! Debug operations do not finish 
properly: "
-                               "0x%08" PRIx32 "0x%08" PRIx32 "0x%08" PRIx32 
"0x%08" PRIx32 ". -->",
-                               insts[0],
-                               insts[1],
-                               insts[2],
-                               insts[3]);
-               return ERROR_FAIL;
-       }
-
-       return ERROR_OK;
-}
-
-static int aice_read_reg(uint32_t coreid, uint32_t num, uint32_t *val)
-{
-       LOG_DEBUG("aice_read_reg, reg_no: 0x%08" PRIx32, num);
-
-       uint32_t instructions[4]; /** execute instructions in DIM */
-
-       if (NDS32_REG_TYPE_GPR == nds32_reg_type(num)) { /* general registers */
-               instructions[0] = MTSR_DTR(num);
-               instructions[1] = DSB;
-               instructions[2] = NOP;
-               instructions[3] = BEQ_MINUS_12;
-       } else if (NDS32_REG_TYPE_SPR == nds32_reg_type(num)) { /* user special 
registers */
-               instructions[0] = MFUSR_G0(0, nds32_reg_sr_index(num));
-               instructions[1] = MTSR_DTR(0);
-               instructions[2] = DSB;
-               instructions[3] = BEQ_MINUS_12;
-       } else if (NDS32_REG_TYPE_AUMR == nds32_reg_type(num)) { /* audio 
registers */
-               if ((CB_CTL <= num) && (num <= CBE3)) {
-                       instructions[0] = AMFAR2(0, nds32_reg_sr_index(num));
-                       instructions[1] = MTSR_DTR(0);
-                       instructions[2] = DSB;
-                       instructions[3] = BEQ_MINUS_12;
-               } else {
-                       instructions[0] = AMFAR(0, nds32_reg_sr_index(num));
-                       instructions[1] = MTSR_DTR(0);
-                       instructions[2] = DSB;
-                       instructions[3] = BEQ_MINUS_12;
-               }
-       } else if (NDS32_REG_TYPE_FPU == nds32_reg_type(num)) { /* fpu 
registers */
-               if (FPCSR == num) {
-                       instructions[0] = FMFCSR;
-                       instructions[1] = MTSR_DTR(0);
-                       instructions[2] = DSB;
-                       instructions[3] = BEQ_MINUS_12;
-               } else if (FPCFG == num) {
-                       instructions[0] = FMFCFG;
-                       instructions[1] = MTSR_DTR(0);
-                       instructions[2] = DSB;
-                       instructions[3] = BEQ_MINUS_12;
-               } else {
-                       if (FS0 <= num && num <= FS31) { /* single precision */
-                               instructions[0] = FMFSR(0, 
nds32_reg_sr_index(num));
-                               instructions[1] = MTSR_DTR(0);
-                               instructions[2] = DSB;
-                               instructions[3] = BEQ_MINUS_12;
-                       } else if (FD0 <= num && num <= FD31) { /* double 
precision */
-                               instructions[0] = FMFDR(0, 
nds32_reg_sr_index(num));
-                               instructions[1] = MTSR_DTR(0);
-                               instructions[2] = DSB;
-                               instructions[3] = BEQ_MINUS_12;
-                       }
-               }
-       } else { /* system registers */
-               instructions[0] = MFSR(0, nds32_reg_sr_index(num));
-               instructions[1] = MTSR_DTR(0);
-               instructions[2] = DSB;
-               instructions[3] = BEQ_MINUS_12;
-       }
-
-       aice_execute_dim(coreid, instructions, 4);
-
-       uint32_t value_edmsw;
-       aice_read_edmsr(coreid, NDS_EDM_SR_EDMSW, &value_edmsw);
-       if (value_edmsw & NDS_EDMSW_WDV)
-               aice_read_dtr(coreid, val);
-       else {
-               LOG_ERROR("<-- TARGET ERROR! The debug target failed to update "
-                               "the DTR register. -->");
-               return ERROR_FAIL;
-       }
-
-       return ERROR_OK;
-}
-
-static int aice_usb_read_reg(uint32_t coreid, uint32_t num, uint32_t *val)
-{
-       LOG_DEBUG("aice_usb_read_reg");
-
-       if (num == R0) {
-               *val = core_info[coreid].r0_backup;
-       } else if (num == R1) {
-               *val = core_info[coreid].r1_backup;
-       } else if (num == DR41) {
-               /* As target is halted, OpenOCD will backup DR41/DR42/DR43.
-                * As user wants to read these registers, OpenOCD should return
-                * the backup values, instead of reading the real values.
-                * As user wants to write these registers, OpenOCD should write
-                * to the backup values, instead of writing to real registers. 
*/
-               *val = core_info[coreid].edmsw_backup;
-       } else if (num == DR42) {
-               *val = core_info[coreid].edm_ctl_backup;
-       } else if ((core_info[coreid].target_dtr_valid == true) && (num == 
DR43)) {
-               *val = core_info[coreid].target_dtr_backup;
-       } else {
-               if (ERROR_OK != aice_read_reg(coreid, num, val))
-                       *val = 0xBBADBEEF;
-       }
-
-       return ERROR_OK;
-}
-
-static int aice_write_reg(uint32_t coreid, uint32_t num, uint32_t val)
-{
-       LOG_DEBUG("aice_write_reg, reg_no: 0x%08" PRIx32 ", value: 0x%08" 
PRIx32, num, val);
-
-       uint32_t instructions[4]; /** execute instructions in DIM */
-       uint32_t value_edmsw;
-
-       aice_write_dtr(coreid, val);
-       aice_read_edmsr(coreid, NDS_EDM_SR_EDMSW, &value_edmsw);
-       if (0 == (value_edmsw & NDS_EDMSW_RDV)) {
-               LOG_ERROR("<-- TARGET ERROR! AICE failed to write to the DTR 
register. -->");
-               return ERROR_FAIL;
-       }
-
-       if (NDS32_REG_TYPE_GPR == nds32_reg_type(num)) { /* general registers */
-               instructions[0] = MFSR_DTR(num);
-               instructions[1] = DSB;
-               instructions[2] = NOP;
-               instructions[3] = BEQ_MINUS_12;
-       } else if (NDS32_REG_TYPE_SPR == nds32_reg_type(num)) { /* user special 
registers */
-               instructions[0] = MFSR_DTR(0);
-               instructions[1] = MTUSR_G0(0, nds32_reg_sr_index(num));
-               instructions[2] = DSB;
-               instructions[3] = BEQ_MINUS_12;
-       } else if (NDS32_REG_TYPE_AUMR == nds32_reg_type(num)) { /* audio 
registers */
-               if ((CB_CTL <= num) && (num <= CBE3)) {
-                       instructions[0] = MFSR_DTR(0);
-                       instructions[1] = AMTAR2(0, nds32_reg_sr_index(num));
-                       instructions[2] = DSB;
-                       instructions[3] = BEQ_MINUS_12;
-               } else {
-                       instructions[0] = MFSR_DTR(0);
-                       instructions[1] = AMTAR(0, nds32_reg_sr_index(num));
-                       instructions[2] = DSB;
-                       instructions[3] = BEQ_MINUS_12;
-               }
-       } else if (NDS32_REG_TYPE_FPU == nds32_reg_type(num)) { /* fpu 
registers */
-               if (FPCSR == num) {
-                       instructions[0] = MFSR_DTR(0);
-                       instructions[1] = FMTCSR;
-                       instructions[2] = DSB;
-                       instructions[3] = BEQ_MINUS_12;
-               } else if (FPCFG == num) {
-                       /* FPCFG is readonly */
-               } else {
-                       if (FS0 <= num && num <= FS31) { /* single precision */
-                               instructions[0] = MFSR_DTR(0);
-                               instructions[1] = FMTSR(0, 
nds32_reg_sr_index(num));
-                               instructions[2] = DSB;
-                               instructions[3] = BEQ_MINUS_12;
-                       } else if (FD0 <= num && num <= FD31) { /* double 
precision */
-                               instructions[0] = MFSR_DTR(0);
-                               instructions[1] = FMTDR(0, 
nds32_reg_sr_index(num));
-                               instructions[2] = DSB;
-                               instructions[3] = BEQ_MINUS_12;
-                       }
-               }
-       } else {
-               instructions[0] = MFSR_DTR(0);
-               instructions[1] = MTSR(0, nds32_reg_sr_index(num));
-               instructions[2] = DSB;
-               instructions[3] = BEQ_MINUS_12;
-       }
-
-       return aice_execute_dim(coreid, instructions, 4);
-}
-
-static int aice_usb_write_reg(uint32_t coreid, uint32_t num, uint32_t val)
-{
-       LOG_DEBUG("aice_usb_write_reg");
-
-       if (num == R0)
-               core_info[coreid].r0_backup = val;
-       else if (num == R1)
-               core_info[coreid].r1_backup = val;
-       else if (num == DR42)
-               /* As target is halted, OpenOCD will backup DR41/DR42/DR43.
-                * As user wants to read these registers, OpenOCD should return
-                * the backup values, instead of reading the real values.
-                * As user wants to write these registers, OpenOCD should write
-                * to the backup values, instead of writing to real registers. 
*/
-               core_info[coreid].edm_ctl_backup = val;
-       else if ((core_info[coreid].target_dtr_valid == true) && (num == DR43))
-               core_info[coreid].target_dtr_backup = val;
-       else
-               return aice_write_reg(coreid, num, val);
-
-       return ERROR_OK;
-}
-
-static int aice_usb_open(struct aice_port_param_s *param)
-{
-       const uint16_t vids[] = { param->vid, 0 };
-       const uint16_t pids[] = { param->pid, 0 };
-       struct jtag_libusb_device_handle *devh;
-
-       if (jtag_libusb_open(vids, pids, NULL, &devh) != ERROR_OK)
-               return ERROR_FAIL;
-
-       /* BE ***VERY CAREFUL*** ABOUT MAKING CHANGES IN THIS
-        * AREA!!!!!!!!!!!  The behavior of libusb is not completely
-        * consistent across Windows, Linux, and Mac OS X platforms.
-        * The actions taken in the following compiler conditionals may
-        * not agree with published documentation for libusb, but were
-        * found to be necessary through trials and tribulations.  Even
-        * little tweaks can break one or more platforms, so if you do
-        * make changes test them carefully on all platforms before
-        * committing them!
-        */
-
-#if IS_WIN32 == 0
-
-       jtag_libusb_reset_device(devh);
-
-#if IS_DARWIN == 0
-
-       int timeout = 5;
-       /* reopen jlink after usb_reset
-        * on win32 this may take a second or two to re-enumerate */
-       int retval;
-       while ((retval = jtag_libusb_open(vids, pids, NULL, &devh)) != 
ERROR_OK) {
-               usleep(1000);
-               timeout--;
-               if (!timeout)
-                       break;
-       }
-       if (ERROR_OK != retval)
-               return ERROR_FAIL;
-#endif
-
-#endif
-
-       /* usb_set_configuration required under win32 */
-       jtag_libusb_set_configuration(devh, 0);
-
-       unsigned int aice_read_ep;
-       unsigned int aice_write_ep;
-       jtag_libusb_choose_interface(devh, &aice_read_ep, &aice_write_ep, -1, 
-1, -1);
-
-       aice_handler.usb_read_ep = aice_read_ep;
-       aice_handler.usb_write_ep = aice_write_ep;
-       aice_handler.usb_handle = devh;
-
-       return ERROR_OK;
-}
-
-static int aice_usb_read_reg_64(uint32_t coreid, uint32_t num, uint64_t *val)
-{
-       LOG_DEBUG("aice_usb_read_reg_64, %s", nds32_reg_simple_name(num));
-
-       uint32_t value;
-       uint32_t high_value;
-
-       if (ERROR_OK != aice_read_reg(coreid, num, &value))
-               value = 0xBBADBEEF;
-
-       aice_read_reg(coreid, R1, &high_value);
-
-       LOG_DEBUG("low: 0x%08" PRIx32 ", high: 0x%08" PRIx32 "\n", value, 
high_value);
-
-       if (data_endian == AICE_BIG_ENDIAN)
-               *val = (((uint64_t)high_value) << 32) | value;
-       else
-               *val = (((uint64_t)value) << 32) | high_value;
-
-       return ERROR_OK;
-}
-
-static int aice_usb_write_reg_64(uint32_t coreid, uint32_t num, uint64_t val)
-{
-       uint32_t value;
-       uint32_t high_value;
-
-       if (data_endian == AICE_BIG_ENDIAN) {
-               value = val & 0xFFFFFFFF;
-               high_value = (val >> 32) & 0xFFFFFFFF;
-       } else {
-               high_value = val & 0xFFFFFFFF;
-               value = (val >> 32) & 0xFFFFFFFF;
-       }
-
-       LOG_DEBUG("aice_usb_write_reg_64, %s, low: 0x%08" PRIx32 ", high: 
0x%08" PRIx32 "\n",
-                       nds32_reg_simple_name(num), value, high_value);
-
-       aice_write_reg(coreid, R1, high_value);
-       return aice_write_reg(coreid, num, value);
-}
-
-static int aice_get_version_info(void)
-{
-       uint32_t hardware_version;
-       uint32_t firmware_version;
-       uint32_t fpga_version;
-
-       if (aice_read_ctrl(AICE_READ_CTRL_GET_HARDWARE_VERSION, 
&hardware_version) != ERROR_OK)
-               return ERROR_FAIL;
-
-       if (aice_read_ctrl(AICE_READ_CTRL_GET_FIRMWARE_VERSION, 
&firmware_version) != ERROR_OK)
-               return ERROR_FAIL;
-
-       if (aice_read_ctrl(AICE_READ_CTRL_GET_FPGA_VERSION, &fpga_version) != 
ERROR_OK)
-               return ERROR_FAIL;
-
-       LOG_INFO("AICE version: hw_ver = 0x%" PRIx32 ", fw_ver = 0x%" PRIx32 ", 
fpga_ver = 0x%" PRIx32,
-                       hardware_version, firmware_version, fpga_version);
-
-       return ERROR_OK;
-}
-
-#define LINE_BUFFER_SIZE 1024
-
-static int aice_execute_custom_script(const char *script)
-{
-       FILE *script_fd;
-       char line_buffer[LINE_BUFFER_SIZE];
-       char *op_str;
-       char *reset_str;
-       uint32_t delay;
-       uint32_t write_ctrl_value;
-       bool set_op;
-
-       script_fd = fopen(script, "r");
-       if (script_fd == NULL) {
-               return ERROR_FAIL;
-       } else {
-               while (fgets(line_buffer, LINE_BUFFER_SIZE, script_fd) != NULL) 
{
-                       /* execute operations */
-                       set_op = false;
-                       op_str = strstr(line_buffer, "set");
-                       if (op_str != NULL) {
-                               set_op = true;
-                               goto get_reset_type;
-                       }
-
-                       op_str = strstr(line_buffer, "clear");
-                       if (op_str == NULL)
-                               continue;
-get_reset_type:
-                       reset_str = strstr(op_str, "srst");
-                       if (reset_str != NULL) {
-                               if (set_op)
-                                       write_ctrl_value = 
AICE_CUSTOM_DELAY_SET_SRST;
-                               else
-                                       write_ctrl_value = 
AICE_CUSTOM_DELAY_CLEAN_SRST;
-                               goto get_delay;
-                       }
-                       reset_str = strstr(op_str, "dbgi");
-                       if (reset_str != NULL) {
-                               if (set_op)
-                                       write_ctrl_value = 
AICE_CUSTOM_DELAY_SET_DBGI;
-                               else
-                                       write_ctrl_value = 
AICE_CUSTOM_DELAY_CLEAN_DBGI;
-                               goto get_delay;
-                       }
-                       reset_str = strstr(op_str, "trst");
-                       if (reset_str != NULL) {
-                               if (set_op)
-                                       write_ctrl_value = 
AICE_CUSTOM_DELAY_SET_TRST;
-                               else
-                                       write_ctrl_value = 
AICE_CUSTOM_DELAY_CLEAN_TRST;
-                               goto get_delay;
-                       }
-                       continue;
-get_delay:
-                       /* get delay */
-                       delay = strtoul(reset_str + 4, NULL, 0);
-                       write_ctrl_value |= (delay << 16);
-
-                       if (aice_write_ctrl(AICE_WRITE_CTRL_CUSTOM_DELAY,
-                                               write_ctrl_value) != ERROR_OK) {
-                               fclose(script_fd);
-                               return ERROR_FAIL;
-                       }
-               }
-               fclose(script_fd);
-       }
-
-       return ERROR_OK;
-}
-
-static int aice_usb_set_clock(int set_clock)
-{
-       if (aice_write_ctrl(AICE_WRITE_CTRL_TCK_CONTROL,
-                               AICE_TCK_CONTROL_TCK_SCAN) != ERROR_OK)
-               return ERROR_FAIL;
-
-       /* Read out TCK_SCAN clock value */
-       uint32_t scan_clock;
-       if (aice_read_ctrl(AICE_READ_CTRL_GET_ICE_STATE, &scan_clock) != 
ERROR_OK)
-               return ERROR_FAIL;
-
-       scan_clock &= 0x0F;
-
-       uint32_t scan_base_freq;
-       if (scan_clock & 0x8)
-               scan_base_freq = 48000; /* 48 MHz */
-       else
-               scan_base_freq = 30000; /* 30 MHz */
-
-       uint32_t set_base_freq;
-       if (set_clock & 0x8)
-               set_base_freq = 48000;
-       else
-               set_base_freq = 30000;
-
-       uint32_t set_freq;
-       uint32_t scan_freq;
-       set_freq = set_base_freq >> (set_clock & 0x7);
-       scan_freq = scan_base_freq >> (scan_clock & 0x7);
-
-       if (scan_freq < set_freq) {
-               LOG_ERROR("User specifies higher jtag clock than TCK_SCAN 
clock");
-               return ERROR_FAIL;
-       }
-
-       if (aice_write_ctrl(AICE_WRITE_CTRL_TCK_CONTROL, set_clock) != ERROR_OK)
-               return ERROR_FAIL;
-
-       uint32_t check_speed;
-       if (aice_read_ctrl(AICE_READ_CTRL_GET_ICE_STATE, &check_speed) != 
ERROR_OK)
-               return ERROR_FAIL;
-
-       if (((int)check_speed & 0x0F) != set_clock) {
-               LOG_ERROR("Set jtag clock failed");
-               return ERROR_FAIL;
-       }
-
-       return ERROR_OK;
-}
-
-static int aice_edm_init(uint32_t coreid)
-{
-       aice_write_edmsr(coreid, NDS_EDM_SR_DIMBR, 0xFFFF0000);
-       aice_write_misc(coreid, NDS_EDM_MISC_DIMIR, 0);
-
-       /* unconditionally try to turn on V3_EDM_MODE */
-       uint32_t edm_ctl_value;
-       aice_read_edmsr(coreid, NDS_EDM_SR_EDM_CTL, &edm_ctl_value);
-       aice_write_edmsr(coreid, NDS_EDM_SR_EDM_CTL, edm_ctl_value | 
0x00000040);
-
-       /* clear DBGER */
-       aice_write_misc(coreid, NDS_EDM_MISC_DBGER,
-                       NDS_DBGER_DPED | NDS_DBGER_CRST | NDS_DBGER_AT_MAX);
-
-       /* get EDM version */
-       uint32_t value_edmcfg;
-       aice_read_edmsr(coreid, NDS_EDM_SR_EDM_CFG, &value_edmcfg);
-       core_info[coreid].edm_version = (value_edmcfg >> 16) & 0xFFFF;
-
-       return ERROR_OK;
-}
-
-static bool is_v2_edm(uint32_t coreid)
-{
-       if ((core_info[coreid].edm_version & 0x1000) == 0)
-               return true;
-       else
-               return false;
-}
-
-static int aice_init_edm_registers(uint32_t coreid, bool clear_dex_use_psw)
-{
-       /* enable DEH_SEL & MAX_STOP & V3_EDM_MODE & DBGI_MASK */
-       uint32_t host_edm_ctl = core_info[coreid].edm_ctl_backup | 0xA000004F;
-       if (clear_dex_use_psw)
-               /* After entering debug mode, OpenOCD may set
-                * DEX_USE_PSW accidentally through backup value
-                * of target EDM_CTL.
-                * So, clear DEX_USE_PSW by force. */
-               host_edm_ctl &= ~(0x40000000);
-
-       LOG_DEBUG("aice_init_edm_registers - EDM_CTL: 0x%08" PRIx32, 
host_edm_ctl);
-
-       int result = aice_write_edmsr(coreid, NDS_EDM_SR_EDM_CTL, host_edm_ctl);
-
-       return result;
-}
-
-/**
- * EDM_CTL will be modified by OpenOCD as debugging. OpenOCD has the
- * responsibility to keep EDM_CTL untouched after debugging.
- *
- * There are two scenarios to consider:
- * 1. single step/running as debugging (running under debug session)
- * 2. detached from gdb (exit debug session)
- *
- * So, we need to bakcup EDM_CTL before halted and restore it after
- * running. The difference of these two scenarios is EDM_CTL.DEH_SEL
- * is on for scenario 1, and off for scenario 2.
- */
-static int aice_backup_edm_registers(uint32_t coreid)
-{
-       int result = aice_read_edmsr(coreid, NDS_EDM_SR_EDM_CTL,
-                       &core_info[coreid].edm_ctl_backup);
-
-       /* To call aice_backup_edm_registers() after DEX on, DEX_USE_PSW
-        * may be not correct.  (For example, hit breakpoint, then backup
-        * EDM_CTL. EDM_CTL.DEX_USE_PSW will be cleared.)  Because debug
-        * interrupt will clear DEX_USE_PSW, DEX_USE_PSW is always off after
-        * DEX is on.  It only backups correct value before OpenOCD issues DBGI.
-        * (Backup EDM_CTL, then issue DBGI actively (refer aice_usb_halt())) */
-       if (core_info[coreid].edm_ctl_backup & 0x40000000)
-               core_info[coreid].dex_use_psw_on = true;
-       else
-               core_info[coreid].dex_use_psw_on = false;
-
-       LOG_DEBUG("aice_backup_edm_registers - EDM_CTL: 0x%08" PRIx32 ", 
DEX_USE_PSW: %s",
-                       core_info[coreid].edm_ctl_backup,
-                       core_info[coreid].dex_use_psw_on ? "on" : "off");
-
-       return result;
-}
-
-static int aice_restore_edm_registers(uint32_t coreid)
-{
-       LOG_DEBUG("aice_restore_edm_registers -");
-
-       /* set DEH_SEL, because target still under EDM control */
-       int result = aice_write_edmsr(coreid, NDS_EDM_SR_EDM_CTL,
-                       core_info[coreid].edm_ctl_backup | 0x80000000);
-
-       return result;
-}
-
-static int aice_backup_tmp_registers(uint32_t coreid)
-{
-       LOG_DEBUG("backup_tmp_registers -");
-
-       /* backup target DTR first(if the target DTR is valid) */
-       uint32_t value_edmsw;
-       aice_read_edmsr(coreid, NDS_EDM_SR_EDMSW, &value_edmsw);
-       core_info[coreid].edmsw_backup = value_edmsw;
-       if (value_edmsw & 0x1) { /* EDMSW.WDV == 1 */
-               aice_read_dtr(coreid, &core_info[coreid].target_dtr_backup);
-               core_info[coreid].target_dtr_valid = true;
-
-               LOG_DEBUG("Backup target DTR: 0x%08" PRIx32, 
core_info[coreid].target_dtr_backup);
-       } else {
-               core_info[coreid].target_dtr_valid = false;
-       }
-
-       /* Target DTR has been backup, then backup $R0 and $R1 */
-       aice_read_reg(coreid, R0, &core_info[coreid].r0_backup);
-       aice_read_reg(coreid, R1, &core_info[coreid].r1_backup);
-
-       /* backup host DTR(if the host DTR is valid) */
-       if (value_edmsw & 0x2) { /* EDMSW.RDV == 1*/
-               /* read out host DTR and write into target DTR, then use 
aice_read_edmsr to
-                * read out */
-               uint32_t instructions[4] = {
-                       MFSR_DTR(R0), /* R0 has already been backup */
-                       DSB,
-                       MTSR_DTR(R0),
-                       BEQ_MINUS_12
-               };
-               aice_execute_dim(coreid, instructions, 4);
-
-               aice_read_dtr(coreid, &core_info[coreid].host_dtr_backup);
-               core_info[coreid].host_dtr_valid = true;
-
-               LOG_DEBUG("Backup host DTR: 0x%08" PRIx32, 
core_info[coreid].host_dtr_backup);
-       } else {
-               core_info[coreid].host_dtr_valid = false;
-       }
-
-       LOG_DEBUG("r0: 0x%08" PRIx32 ", r1: 0x%08" PRIx32,
-                       core_info[coreid].r0_backup, 
core_info[coreid].r1_backup);
-
-       return ERROR_OK;
-}
-
-static int aice_restore_tmp_registers(uint32_t coreid)
-{
-       LOG_DEBUG("restore_tmp_registers - r0: 0x%08" PRIx32 ", r1: 0x%08" 
PRIx32,
-                       core_info[coreid].r0_backup, 
core_info[coreid].r1_backup);
-
-       if (core_info[coreid].target_dtr_valid) {
-               uint32_t instructions[4] = {
-                       SETHI(R0, core_info[coreid].target_dtr_backup >> 12),
-                       ORI(R0, R0, core_info[coreid].target_dtr_backup & 
0x00000FFF),
-                       NOP,
-                       BEQ_MINUS_12
-               };
-               aice_execute_dim(coreid, instructions, 4);
-
-               instructions[0] = MTSR_DTR(R0);
-               instructions[1] = DSB;
-               instructions[2] = NOP;
-               instructions[3] = BEQ_MINUS_12;
-               aice_execute_dim(coreid, instructions, 4);
-
-               LOG_DEBUG("Restore target DTR: 0x%08" PRIx32, 
core_info[coreid].target_dtr_backup);
-       }
-
-       aice_write_reg(coreid, R0, core_info[coreid].r0_backup);
-       aice_write_reg(coreid, R1, core_info[coreid].r1_backup);
-
-       if (core_info[coreid].host_dtr_valid) {
-               aice_write_dtr(coreid, core_info[coreid].host_dtr_backup);
-
-               LOG_DEBUG("Restore host DTR: 0x%08" PRIx32, 
core_info[coreid].host_dtr_backup);
-       }
-
-       return ERROR_OK;
-}
-
-static int aice_open_device(struct aice_port_param_s *param)
-{
-       if (ERROR_OK != aice_usb_open(param))
-               return ERROR_FAIL;
-
-       if (ERROR_FAIL == aice_get_version_info()) {
-               LOG_ERROR("Cannot get AICE version!");
-               return ERROR_FAIL;
-       }
-
-       LOG_INFO("AICE initialization started");
-
-       /* attempt to reset Andes EDM */
-       if (ERROR_FAIL == aice_reset_box()) {
-               LOG_ERROR("Cannot initial AICE box!");
-               return ERROR_FAIL;
-       }
-
-       return ERROR_OK;
-}
-
-static int aice_usb_set_jtag_clock(uint32_t a_clock)
-{
-       jtag_clock = a_clock;
-
-       if (ERROR_OK != aice_usb_set_clock(a_clock)) {
-               LOG_ERROR("Cannot set AICE JTAG clock!");
-               return ERROR_FAIL;
-       }
-
-       return ERROR_OK;
-}
-
-static int aice_usb_close(void)
-{
-       jtag_libusb_close(aice_handler.usb_handle);
-
-       if (custom_srst_script)
-               free(custom_srst_script);
-
-       if (custom_trst_script)
-               free(custom_trst_script);
-
-       if (custom_restart_script)
-               free(custom_restart_script);
-
-       return ERROR_OK;
-}
-
-static int aice_core_init(uint32_t coreid)
-{
-       core_info[coreid].access_channel = NDS_MEMORY_ACC_CPU;
-       core_info[coreid].memory_select = NDS_MEMORY_SELECT_AUTO;
-       core_info[coreid].core_state = AICE_TARGET_UNKNOWN;
-
-       return ERROR_OK;
-}
-
-static int aice_usb_idcode(uint32_t *idcode, uint8_t *num_of_idcode)
-{
-       int retval;
-
-       retval = aice_scan_chain(idcode, num_of_idcode);
-       if (ERROR_OK == retval) {
-               for (int i = 0; i < *num_of_idcode; i++) {
-                       aice_core_init(i);
-                       aice_edm_init(i);
-               }
-               total_num_of_core = *num_of_idcode;
-       }
-
-       return retval;
-}
-
-static int aice_usb_halt(uint32_t coreid)
-{
-       if (core_info[coreid].core_state == AICE_TARGET_HALTED) {
-               LOG_DEBUG("aice_usb_halt check halted");
-               return ERROR_OK;
-       }
-
-       LOG_DEBUG("aice_usb_halt");
-
-       /** backup EDM registers */
-       aice_backup_edm_registers(coreid);
-       /** init EDM for host debugging */
-       /** no need to clear dex_use_psw, because dbgi will clear it */
-       aice_init_edm_registers(coreid, false);
-
-       /** Clear EDM_CTL.DBGIM & EDM_CTL.DBGACKM */
-       uint32_t edm_ctl_value;
-       aice_read_edmsr(coreid, NDS_EDM_SR_EDM_CTL, &edm_ctl_value);
-       if (edm_ctl_value & 0x3)
-               aice_write_edmsr(coreid, NDS_EDM_SR_EDM_CTL, edm_ctl_value & 
~(0x3));
-
-       uint32_t dbger;
-       uint32_t acc_ctl_value;
-
-       core_info[coreid].debug_under_dex_on = false;
-       aice_read_misc(coreid, NDS_EDM_MISC_DBGER, &dbger);
-
-       if (dbger & NDS_DBGER_AT_MAX)
-               LOG_ERROR("<-- TARGET ERROR! Reaching the max interrupt stack 
level. -->");
-
-       if (dbger & NDS_DBGER_DEX) {
-               if (is_v2_edm(coreid) == false) {
-                       /** debug 'debug mode'. use force_debug to issue dbgi */
-                       aice_read_misc(coreid, NDS_EDM_MISC_ACC_CTL, 
&acc_ctl_value);
-                       acc_ctl_value |= 0x8;
-                       aice_write_misc(coreid, NDS_EDM_MISC_ACC_CTL, 
acc_ctl_value);
-                       core_info[coreid].debug_under_dex_on = true;
-
-                       aice_write_misc(coreid, NDS_EDM_MISC_EDM_CMDR, 0);
-                       /* If CPU stalled due to AT_MAX, clear AT_MAX status. */
-                       if (dbger & NDS_DBGER_AT_MAX)
-                               aice_write_misc(coreid, NDS_EDM_MISC_DBGER, 
NDS_DBGER_AT_MAX);
-               }
-       } else {
-               /** Issue DBGI normally */
-               aice_write_misc(coreid, NDS_EDM_MISC_EDM_CMDR, 0);
-               /* If CPU stalled due to AT_MAX, clear AT_MAX status. */
-               if (dbger & NDS_DBGER_AT_MAX)
-                       aice_write_misc(coreid, NDS_EDM_MISC_DBGER, 
NDS_DBGER_AT_MAX);
-       }
-
-       if (aice_check_dbger(coreid, NDS_DBGER_DEX) != ERROR_OK) {
-               LOG_ERROR("<-- TARGET ERROR! Unable to stop the debug target 
through DBGI. -->");
-               return ERROR_FAIL;
-       }
-
-       if (core_info[coreid].debug_under_dex_on) {
-               if (core_info[coreid].dex_use_psw_on == false) {
-                       /* under debug 'debug mode', force $psw to 'debug mode' 
bahavior */
-                       /* !!!NOTICE!!! this is workaround for debug 'debug 
mode'.
-                        * it is only for debugging 'debug exception handler' 
purpose.
-                        * after openocd detaches from target, target behavior 
is
-                        * undefined. */
-                       uint32_t ir0_value;
-                       uint32_t debug_mode_ir0_value;
-                       aice_read_reg(coreid, IR0, &ir0_value);
-                       debug_mode_ir0_value = ir0_value | 0x408; /* turn on 
DEX, set POM = 1 */
-                       debug_mode_ir0_value &= ~(0x000000C1); /* turn off 
DT/IT/GIE */
-                       aice_write_reg(coreid, IR0, debug_mode_ir0_value);
-               }
-       }
-
-       /** set EDM_CTL.DBGIM & EDM_CTL.DBGACKM after halt */
-       if (edm_ctl_value & 0x3)
-               aice_write_edmsr(coreid, NDS_EDM_SR_EDM_CTL, edm_ctl_value);
-
-       /* backup r0 & r1 */
-       aice_backup_tmp_registers(coreid);
-       core_info[coreid].core_state = AICE_TARGET_HALTED;
-
-       return ERROR_OK;
-}
-
-static int aice_usb_state(uint32_t coreid, enum aice_target_state_s *state)
-{
-       uint32_t dbger_value;
-       uint32_t ice_state;
-
-       int result = aice_read_misc(coreid, NDS_EDM_MISC_DBGER, &dbger_value);
-
-       if (ERROR_AICE_TIMEOUT == result) {
-               if (aice_read_ctrl(AICE_READ_CTRL_GET_ICE_STATE, &ice_state) != 
ERROR_OK) {
-                       LOG_ERROR("<-- AICE ERROR! AICE is unplugged. -->");
-                       return ERROR_FAIL;
-               }
-
-               if ((ice_state & 0x20) == 0) {
-                       LOG_ERROR("<-- TARGET ERROR! Target is disconnected 
with AICE. -->");
-                       return ERROR_FAIL;
-               } else {
-                       return ERROR_FAIL;
-               }
-       } else if (ERROR_AICE_DISCONNECT == result) {
-               LOG_ERROR("<-- AICE ERROR! AICE is unplugged. -->");
-               return ERROR_FAIL;
-       }
-
-       if ((dbger_value & NDS_DBGER_ILL_SEC_ACC) == NDS_DBGER_ILL_SEC_ACC) {
-               LOG_ERROR("<-- TARGET ERROR! Insufficient security privilege. 
-->");
-
-               /* Clear ILL_SEC_ACC */
-               aice_write_misc(coreid, NDS_EDM_MISC_DBGER, 
NDS_DBGER_ILL_SEC_ACC);
-
-               *state = AICE_TARGET_RUNNING;
-               core_info[coreid].core_state = AICE_TARGET_RUNNING;
-       } else if ((dbger_value & NDS_DBGER_AT_MAX) == NDS_DBGER_AT_MAX) {
-               /* Issue DBGI to exit cpu stall */
-               aice_usb_halt(coreid);
-
-               /* Read OIPC to find out the trigger point */
-               uint32_t ir11_value;
-               aice_read_reg(coreid, IR11, &ir11_value);
-
-               LOG_ERROR("<-- TARGET ERROR! Reaching the max interrupt stack 
level; "
-                               "CPU is stalled at 0x%08" PRIx32 " for 
debugging. -->", ir11_value);
-
-               *state = AICE_TARGET_HALTED;
-       } else if ((dbger_value & NDS_DBGER_CRST) == NDS_DBGER_CRST) {
-               LOG_DEBUG("DBGER.CRST is on.");
-
-               *state = AICE_TARGET_RESET;
-               core_info[coreid].core_state = AICE_TARGET_RUNNING;
-
-               /* Clear CRST */
-               aice_write_misc(coreid, NDS_EDM_MISC_DBGER, NDS_DBGER_CRST);
-       } else if ((dbger_value & NDS_DBGER_DEX) == NDS_DBGER_DEX) {
-               if (AICE_TARGET_RUNNING == core_info[coreid].core_state) {
-                       /* enter debug mode, init EDM registers */
-                       /* backup EDM registers */
-                       aice_backup_edm_registers(coreid);
-                       /* init EDM for host debugging */
-                       aice_init_edm_registers(coreid, true);
-                       aice_backup_tmp_registers(coreid);
-                       core_info[coreid].core_state = AICE_TARGET_HALTED;
-               } else if (AICE_TARGET_UNKNOWN == core_info[coreid].core_state) 
{
-                       /* debug 'debug mode', use force debug to halt core */
-                       aice_usb_halt(coreid);
-               }
-               *state = AICE_TARGET_HALTED;
-       } else {
-               *state = AICE_TARGET_RUNNING;
-               core_info[coreid].core_state = AICE_TARGET_RUNNING;
-       }
-
-       return ERROR_OK;
-}
-
-static int aice_usb_reset(void)
-{
-       if (aice_reset_box() != ERROR_OK)
-               return ERROR_FAIL;
-
-       /* issue TRST */
-       if (custom_trst_script == NULL) {
-               if (aice_write_ctrl(AICE_WRITE_CTRL_JTAG_PIN_CONTROL,
-                                       AICE_JTAG_PIN_CONTROL_TRST) != ERROR_OK)
-                       return ERROR_FAIL;
-       } else {
-               /* custom trst operations */
-               if (aice_execute_custom_script(custom_trst_script) != ERROR_OK)
-                       return ERROR_FAIL;
-       }
-
-       if (aice_usb_set_clock(jtag_clock) != ERROR_OK)
-               return ERROR_FAIL;
-
-       return ERROR_OK;
-}
-
-static int aice_issue_srst(uint32_t coreid)
-{
-       LOG_DEBUG("aice_issue_srst");
-
-       /* After issuing srst, target will be running. So we need to restore 
EDM_CTL. */
-       aice_restore_edm_registers(coreid);
-
-       if (custom_srst_script == NULL) {
-               if (aice_write_ctrl(AICE_WRITE_CTRL_JTAG_PIN_CONTROL,
-                                       AICE_JTAG_PIN_CONTROL_SRST) != ERROR_OK)
-                       return ERROR_FAIL;
-       } else {
-               /* custom srst operations */
-               if (aice_execute_custom_script(custom_srst_script) != ERROR_OK)
-                       return ERROR_FAIL;
-       }
-
-       /* wait CRST infinitely */
-       uint32_t dbger_value;
-       int i = 0;
-       while (1) {
-               if (aice_read_misc(coreid,
-                                       NDS_EDM_MISC_DBGER, &dbger_value) != 
ERROR_OK)
-                       return ERROR_FAIL;
-
-               if (dbger_value & NDS_DBGER_CRST)
-                       break;
-
-               if ((i % 30) == 0)
-                       keep_alive();
-               i++;
-       }
-
-       core_info[coreid].host_dtr_valid = false;
-       core_info[coreid].target_dtr_valid = false;
-
-       core_info[coreid].core_state = AICE_TARGET_RUNNING;
-       return ERROR_OK;
-}
-
-static int aice_issue_reset_hold(uint32_t coreid)
-{
-       LOG_DEBUG("aice_issue_reset_hold");
-
-       /* set no_dbgi_pin to 0 */
-       uint32_t pin_status;
-       aice_read_ctrl(AICE_READ_CTRL_GET_JTAG_PIN_STATUS, &pin_status);
-       if (pin_status | 0x4)
-               aice_write_ctrl(AICE_WRITE_CTRL_JTAG_PIN_STATUS, pin_status & 
(~0x4));
-
-       /* issue restart */
-       if (custom_restart_script == NULL) {
-               if (aice_write_ctrl(AICE_WRITE_CTRL_JTAG_PIN_CONTROL,
-                                       AICE_JTAG_PIN_CONTROL_RESTART) != 
ERROR_OK)
-                       return ERROR_FAIL;
-       } else {
-               /* custom restart operations */
-               if (aice_execute_custom_script(custom_restart_script) != 
ERROR_OK)
-                       return ERROR_FAIL;
-       }
-
-       if (aice_check_dbger(coreid, NDS_DBGER_CRST | NDS_DBGER_DEX) == 
ERROR_OK) {
-               aice_backup_tmp_registers(coreid);
-               core_info[coreid].core_state = AICE_TARGET_HALTED;
-
-               return ERROR_OK;
-       } else {
-               /* set no_dbgi_pin to 1 */
-               aice_write_ctrl(AICE_WRITE_CTRL_JTAG_PIN_STATUS, pin_status | 
0x4);
-
-               /* issue restart again */
-               if (custom_restart_script == NULL) {
-                       if (aice_write_ctrl(AICE_WRITE_CTRL_JTAG_PIN_CONTROL,
-                                               AICE_JTAG_PIN_CONTROL_RESTART) 
!= ERROR_OK)
-                               return ERROR_FAIL;
-               } else {
-                       /* custom restart operations */
-                       if (aice_execute_custom_script(custom_restart_script) 
!= ERROR_OK)
-                               return ERROR_FAIL;
-               }
-
-               if (aice_check_dbger(coreid, NDS_DBGER_CRST | NDS_DBGER_DEX) == 
ERROR_OK) {
-                       aice_backup_tmp_registers(coreid);
-                       core_info[coreid].core_state = AICE_TARGET_HALTED;
-
-                       return ERROR_OK;
-               }
-
-               /* do software reset-and-hold */
-               aice_issue_srst(coreid);
-               aice_usb_halt(coreid);
-
-               uint32_t value_ir3;
-               aice_read_reg(coreid, IR3, &value_ir3);
-               aice_write_reg(coreid, PC, value_ir3 & 0xFFFF0000);
-       }
-
-       return ERROR_FAIL;
-}
-
-static int aice_issue_reset_hold_multi(void)
-{
-       uint32_t write_ctrl_value = 0;
-
-       /* set SRST */
-       write_ctrl_value = AICE_CUSTOM_DELAY_SET_SRST;
-       write_ctrl_value |= (0x200 << 16);
-       if (aice_write_ctrl(AICE_WRITE_CTRL_CUSTOM_DELAY,
-                               write_ctrl_value) != ERROR_OK)
-               return ERROR_FAIL;
-
-       for (uint8_t i = 0 ; i < total_num_of_core ; i++)
-               aice_write_misc(i, NDS_EDM_MISC_EDM_CMDR, 0);
-
-       /* clear SRST */
-       write_ctrl_value = AICE_CUSTOM_DELAY_CLEAN_SRST;
-       write_ctrl_value |= (0x200 << 16);
-       if (aice_write_ctrl(AICE_WRITE_CTRL_CUSTOM_DELAY,
-                               write_ctrl_value) != ERROR_OK)
-               return ERROR_FAIL;
-
-       for (uint8_t i = 0; i < total_num_of_core; i++)
-               aice_edm_init(i);
-
-       return ERROR_FAIL;
-}
-
-static int aice_usb_assert_srst(uint32_t coreid, enum aice_srst_type_s srst)
-{
-       if ((AICE_SRST != srst) && (AICE_RESET_HOLD != srst))
-               return ERROR_FAIL;
-
-       /* clear DBGER */
-       if (aice_write_misc(coreid, NDS_EDM_MISC_DBGER,
-                               NDS_DBGER_CLEAR_ALL) != ERROR_OK)
-               return ERROR_FAIL;
-
-       int result = ERROR_OK;
-       if (AICE_SRST == srst)
-               result = aice_issue_srst(coreid);
-       else {
-               if (1 == total_num_of_core)
-                       result = aice_issue_reset_hold(coreid);
-               else
-                       result = aice_issue_reset_hold_multi();
-       }
-
-       /* Clear DBGER.CRST after reset to avoid 'core-reset checking' errors.
-        * assert_srst is user-intentional reset behavior, so we could
-        * clear DBGER.CRST safely.
-        */
-       if (aice_write_misc(coreid,
-                               NDS_EDM_MISC_DBGER, NDS_DBGER_CRST) != ERROR_OK)
-               return ERROR_FAIL;
-
-       return result;
-}
-
-static int aice_usb_run(uint32_t coreid)
-{
-       LOG_DEBUG("aice_usb_run");
-
-       uint32_t dbger_value;
-       if (aice_read_misc(coreid,
-                               NDS_EDM_MISC_DBGER, &dbger_value) != ERROR_OK)
-               return ERROR_FAIL;
-
-       if ((dbger_value & NDS_DBGER_DEX) != NDS_DBGER_DEX) {
-               LOG_WARNING("<-- TARGET WARNING! The debug target exited "
-                               "the debug mode unexpectedly. -->");
-               return ERROR_FAIL;
-       }
-
-       /* restore r0 & r1 before free run */
-       aice_restore_tmp_registers(coreid);
-       core_info[coreid].core_state = AICE_TARGET_RUNNING;
-
-       /* clear DBGER */
-       aice_write_misc(coreid, NDS_EDM_MISC_DBGER,
-                       NDS_DBGER_CLEAR_ALL);
-
-       /** restore EDM registers */
-       /** OpenOCD should restore EDM_CTL **before** to exit debug state.
-        *  Otherwise, following instruction will read wrong EDM_CTL value.
-        *
-        *  pc -> mfsr $p0, EDM_CTL (single step)
-        *        slli $p0, $p0, 1
-        *        slri $p0, $p0, 31
-        */
-       aice_restore_edm_registers(coreid);
-
-       /** execute instructions in DIM */
-       uint32_t instructions[4] = {
-               NOP,
-               NOP,
-               NOP,
-               IRET
-       };
-       int result = aice_execute_dim(coreid, instructions, 4);
-
-       return result;
-}
-
-static int aice_usb_step(uint32_t coreid)

<TRUNCATED>

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