1 /***************************************************************************
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2 * Copyright (C) 2005 by Dominic Rath *
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3 * Dominic.Rath@gmx.de *
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5 * This program is free software; you can redistribute it and/or modify *
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6 * it under the terms of the GNU General Public License as published by *
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7 * the Free Software Foundation; either version 2 of the License, or *
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8 * (at your option) any later version. *
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10 * This program is distributed in the hope that it will be useful, *
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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13 * GNU General Public License for more details. *
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15 * You should have received a copy of the GNU General Public License *
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16 * along with this program; if not, write to the *
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17 * Free Software Foundation, Inc., *
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18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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19 ***************************************************************************/
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20 #ifdef HAVE_CONFIG_H
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27 #include "command.h"
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32 #include <sys/types.h>
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33 #include <sys/stat.h>
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37 #include <sys/time.h>
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40 #define XSTATE_MAX_PATH (12)
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42 int handle_xsvf_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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46 u8 *dr_out_buf; /* from host to device (TDI) */
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47 u8 *dr_in_buf; /* from device to host (TDO) */
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51 int xruntest = 0; /* number of TCK cycles / microseconds */
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52 int xrepeat = 0x20; /* number of XC9500 retries */
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57 enum tap_state xsvf_to_tap[] =
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60 TAP_SDS, TAP_CD, TAP_SD, TAP_E1D, TAP_PD, TAP_E2D, TAP_UD,
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61 TAP_SIS, TAP_CI, TAP_SI, TAP_E1I, TAP_PI, TAP_E2I, TAP_UI,
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66 0x0, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x1, 0x9, 0xa, 0xb, 0xc, 0xe, 0xf
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69 int xsvf_register_commands(struct command_context_s *cmd_ctx)
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71 register_command(cmd_ctx, NULL, "xsvf", handle_xsvf_command,
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72 COMMAND_EXEC, "run xsvf <file>");
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77 int xsvf_read_buffer(int num_bits, int fd, u8* buf)
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81 for (num_bytes = (num_bits + 7) / 8; num_bytes > 0; num_bytes--)
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83 if (read(fd, buf + num_bytes - 1, 1) < 0)
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84 return ERROR_XSVF_EOF;
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90 int xsvf_read_xstates(int fd, enum tap_state *path, int max_path, int *path_len)
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95 while ((read(fd, &c, 1) > 0) && (c == 0x12))
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97 if (*path_len > max_path)
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99 WARNING("XSTATE path longer than max_path");
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102 if (read(fd, &uc, 1) < 0)
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104 return ERROR_XSVF_EOF;
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106 path[(*path_len)++] = xsvf_to_tap[uc];
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109 lseek(fd, -1, SEEK_CUR);
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114 int handle_xsvf_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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117 u8 buf4[4], buf2[2];
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118 unsigned char uc, uc2;
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123 int unsupported = 0;
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124 int tdo_mismatch = 0;
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126 int runtest_requires_tck = 0;
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128 int device = -1; /* use -1 to indicate a "plain" xsvf file which accounts for additional devices in the scan chain, otherwise the device that should be affected */
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132 command_print(cmd_ctx, "usage: xsvf <device#|plain> <file> <variant>");
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136 if (strcmp(args[0], "plain") != 0)
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138 device = strtoul(args[0], NULL, 0);
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141 if ((xsvf_fd = open(args[1], O_RDONLY)) < 0)
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143 command_print(cmd_ctx, "file %s not found", args[0]);
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147 if ((argc > 2) && (strcmp(args[2], "virt2") == 0))
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149 runtest_requires_tck = 1;
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152 while (read(xsvf_fd, &c, 1) > 0)
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156 case 0x00: /* XCOMPLETE */
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157 DEBUG("XCOMPLETE");
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158 if (jtag_execute_queue() != ERROR_OK)
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164 case 0x01: /* XTDOMASK */
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166 if (dr_in_mask && (xsvf_read_buffer(xsdrsize, xsvf_fd, dr_in_mask) != ERROR_OK))
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169 case 0x02: /* XSIR */
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171 if (read(xsvf_fd, &c, 1) < 0)
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175 u8 *ir_buf = malloc((c + 7) / 8);
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176 if (xsvf_read_buffer(c, xsvf_fd, ir_buf) != ERROR_OK)
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180 scan_field_t field;
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181 field.device = device;
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182 field.num_bits = c;
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183 field.out_value = ir_buf;
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184 field.out_mask = NULL;
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185 field.in_value = NULL;
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186 field.in_check_value = NULL;
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187 field.in_check_mask = NULL;
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188 field.in_handler = NULL;
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189 field.in_handler_priv = NULL;
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191 jtag_add_plain_ir_scan(1, &field, TAP_PI);
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193 jtag_add_ir_scan(1, &field, TAP_PI);
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194 if (jtag_execute_queue() != ERROR_OK)
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202 if (runtest_requires_tck)
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203 jtag_add_runtest(xruntest, xsvf_to_tap[xendir]);
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206 jtag_add_statemove(TAP_RTI);
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207 jtag_add_sleep(xruntest);
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208 jtag_add_statemove(xsvf_to_tap[xendir]);
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211 else if (xendir != 0xd) /* Pause-IR */
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212 jtag_add_statemove(xsvf_to_tap[xendir]);
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217 case 0x03: /* XSDR */
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219 if (xsvf_read_buffer(xsdrsize, xsvf_fd, dr_out_buf) != ERROR_OK)
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223 scan_field_t field;
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224 field.device = device;
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225 field.num_bits = xsdrsize;
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226 field.out_value = dr_out_buf;
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227 field.out_mask = NULL;
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228 field.in_value = NULL;
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229 jtag_set_check_value(&field, dr_in_buf, dr_in_mask, NULL);
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231 jtag_add_plain_dr_scan(1, &field, TAP_PD);
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233 jtag_add_dr_scan(1, &field, TAP_PD);
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234 if (jtag_execute_queue() != ERROR_OK)
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241 if (runtest_requires_tck)
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242 jtag_add_runtest(xruntest, xsvf_to_tap[xenddr]);
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245 jtag_add_statemove(TAP_RTI);
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246 jtag_add_sleep(xruntest);
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247 jtag_add_statemove(xsvf_to_tap[xenddr]);
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250 else if (xendir != 0x6) /* Pause-DR */
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251 jtag_add_statemove(xsvf_to_tap[xenddr]);
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254 case 0x04: /* XRUNTEST */
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256 if (read(xsvf_fd, buf4, 4) < 0)
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260 xruntest = be_to_h_u32(buf4);
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263 case 0x07: /* XREPEAT */
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265 if (read(xsvf_fd, &c, 1) < 0)
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272 case 0x08: /* XSDRSIZE */
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274 if (read(xsvf_fd, buf4, 4) < 0)
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278 xsdrsize = be_to_h_u32(buf4);
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282 dr_out_buf = malloc((xsdrsize + 7) / 8);
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283 dr_in_buf = malloc((xsdrsize + 7) / 8);
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284 dr_in_mask = malloc((xsdrsize + 7) / 8);
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287 case 0x09: /* XSDRTDO */
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289 if (xsvf_read_buffer(xsdrsize, xsvf_fd, dr_out_buf) != ERROR_OK)
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293 if (xsvf_read_buffer(xsdrsize, xsvf_fd, dr_in_buf) != ERROR_OK)
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297 scan_field_t field;
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298 field.device = device;
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299 field.num_bits = xsdrsize;
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300 field.out_value = dr_out_buf;
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301 field.out_mask = NULL;
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302 field.in_value = NULL;
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303 jtag_set_check_value(&field, dr_in_buf, dr_in_mask, NULL);
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305 jtag_add_plain_dr_scan(1, &field, TAP_PD);
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307 jtag_add_dr_scan(1, &field, TAP_PD);
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308 if (jtag_execute_queue() != ERROR_OK)
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315 if (runtest_requires_tck)
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316 jtag_add_runtest(xruntest, xsvf_to_tap[xenddr]);
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319 jtag_add_statemove(TAP_RTI);
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320 jtag_add_sleep(xruntest);
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321 jtag_add_statemove(xsvf_to_tap[xenddr]);
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324 else if (xendir != 0x6) /* Pause-DR */
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325 jtag_add_statemove(xsvf_to_tap[xenddr]);
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329 case 0x0a: /* XSETDRMASKS */
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330 ERROR("unsupported XSETSDRMASKS\n");
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333 case 0x0b: /* XSDRINC */
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334 ERROR("unsupported XSDRINC\n");
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337 case 0x0c: /* XSDRB */
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340 case 0x0d: /* XSDRC */
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343 case 0x0e: /* XSDRE */
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346 case 0x0f: /* XSDRTDOB */
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349 case 0x10: /* XSDRTDOB */
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352 case 0x11: /* XSDRTDOB */
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355 case 0x12: /* XSTATE */
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357 if (read(xsvf_fd, &uc, 1) < 0)
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361 enum tap_state *path = calloc(XSTATE_MAX_PATH, 4);
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363 path[0] = xsvf_to_tap[uc];
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364 if (xsvf_read_xstates(xsvf_fd, path, XSTATE_MAX_PATH, &path_len) != ERROR_OK)
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368 jtag_add_pathmove(path_len, path);
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373 case 0x13: /* XENDIR */
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375 if (read(xsvf_fd, &c, 1) < 0)
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385 ERROR("unknown XENDIR endstate");
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390 case 0x14: /* XENDDR */
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392 if (read(xsvf_fd, &c, 1) < 0)
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402 ERROR("unknown XENDDR endstate");
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407 case 0x15: /* XSIR2 */
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409 if (read(xsvf_fd, buf2, 2) < 0)
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414 us = be_to_h_u16(buf2);
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415 ir_buf = malloc((us + 7) / 8);
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416 if (xsvf_read_buffer(us, xsvf_fd, ir_buf) != ERROR_OK)
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420 scan_field_t field;
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421 field.device = device;
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422 field.num_bits = us;
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423 field.out_value = ir_buf;
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424 field.out_mask = NULL;
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425 field.in_value = NULL;
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426 field.in_check_value = NULL;
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427 field.in_check_mask = NULL;
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428 field.in_handler = NULL;
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429 field.in_handler_priv = NULL;
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431 jtag_add_plain_ir_scan(1, &field, xsvf_to_tap[xendir]);
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433 jtag_add_ir_scan(1, &field, xsvf_to_tap[xendir]);
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438 case 0x16: /* XCOMMENT */
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441 if (read(xsvf_fd, &c, 1) < 0)
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448 case 0x17: /* XWAIT */
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450 if ((read(xsvf_fd, &uc, 1) < 0) || (read(xsvf_fd, &uc2, 1) < 0) || (read(xsvf_fd, buf4, 4) < 0))
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454 jtag_add_statemove(xsvf_to_tap[uc]);
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455 ui = be_to_h_u32(buf4);
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456 jtag_add_sleep(ui);
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457 jtag_add_statemove(xsvf_to_tap[uc2]);
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461 ERROR("unknown xsvf command (0x%2.2x)\n", c);
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465 if (do_abort || unsupported || tdo_mismatch)
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471 command_print(cmd_ctx, "TDO mismatch, aborting");
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477 command_print(cmd_ctx, "unsupported xsvf command encountered, aborting");
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483 command_print(cmd_ctx, "premature end detected, aborting");
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498 command_print(cmd_ctx, "XSVF file programmed successfully");
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