1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
28 #include <sys/types.h>
31 #include <netinet/in.h>
37 #define XSTATE_MAX_PATH (12)
39 int handle_xsvf_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
43 u8 *dr_out_buf; /* from host to device (TDI) */
44 u8 *dr_in_buf; /* from device to host (TDO) */
48 int xruntest = 0; /* number of TCK cycles / microseconds */
49 int xrepeat = 0x20; /* number of XC9500 retries */
54 enum tap_state xsvf_to_tap[] =
57 TAP_SDS, TAP_CD, TAP_SD, TAP_E1D, TAP_PD, TAP_E2D, TAP_UD,
58 TAP_SIS, TAP_CI, TAP_SI, TAP_E1I, TAP_PI, TAP_E2I, TAP_UI,
63 0x0, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x1, 0x9, 0xa, 0xb, 0xc, 0xe, 0xf
66 int xsvf_register_commands(struct command_context_s *cmd_ctx)
68 register_command(cmd_ctx, NULL, "xsvf", handle_xsvf_command,
69 COMMAND_EXEC, "run xsvf <file>");
74 int xsvf_read_buffer(int num_bits, int fd, u8* buf)
78 for (num_bytes = (num_bits + 7) / 8; num_bytes > 0; num_bytes--)
80 if (read(fd, buf + num_bytes - 1, 1) < 0)
81 return ERROR_XSVF_EOF;
87 int xsvf_read_xstates(int fd, enum tap_state *path, int max_path, int *path_len)
92 while ((read(fd, &c, 1) > 0) && (c == 0x12))
94 if (*path_len > max_path)
96 WARNING("XSTATE path longer than max_path");
99 if (read(fd, &uc, 1) < 0)
101 return ERROR_XSVF_EOF;
103 path[(*path_len)++] = xsvf_to_tap[uc];
106 lseek(fd, -1, SEEK_CUR);
111 int handle_xsvf_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
114 unsigned char uc, uc2;
120 int tdo_mismatch = 0;
122 int runtest_requires_tck = 0;
124 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 */
128 command_print(cmd_ctx, "usage: xsvf <device#|plain> <file> <variant>");
132 if (strcmp(args[0], "plain") != 0)
134 device = strtoul(args[0], NULL, 0);
137 if ((xsvf_fd = open(args[1], O_RDONLY)) < 0)
139 command_print(cmd_ctx, "file %s not found", args[0]);
143 if ((argc > 2) && (strcmp(args[2], "virt2") == 0))
145 runtest_requires_tck = 1;
148 while (read(xsvf_fd, &c, 1) > 0)
152 case 0x00: /* XCOMPLETE */
154 if (jtag_execute_queue() != ERROR_OK)
160 case 0x01: /* XTDOMASK */
162 if (dr_in_mask && (xsvf_read_buffer(xsdrsize, xsvf_fd, dr_in_mask) != ERROR_OK))
165 case 0x02: /* XSIR */
167 if (read(xsvf_fd, &c, 1) < 0)
171 u8 *ir_buf = malloc((c + 7) / 8);
172 if (xsvf_read_buffer(c, xsvf_fd, ir_buf) != ERROR_OK)
177 field.device = device;
179 field.out_value = ir_buf;
180 field.out_mask = NULL;
181 field.in_value = NULL;
182 field.in_check_value = NULL;
183 field.in_check_mask = NULL;
184 field.in_handler = NULL;
185 field.in_handler_priv = NULL;
187 jtag_add_plain_ir_scan(1, &field, TAP_PI);
189 jtag_add_ir_scan(1, &field, TAP_PI);
190 if (jtag_execute_queue() != ERROR_OK)
198 if (runtest_requires_tck)
199 jtag_add_runtest(xruntest, xsvf_to_tap[xendir]);
202 jtag_add_statemove(TAP_RTI);
203 jtag_add_sleep(xruntest);
204 jtag_add_statemove(xsvf_to_tap[xendir]);
207 else if (xendir != 0xd) /* Pause-IR */
208 jtag_add_statemove(xsvf_to_tap[xendir]);
213 case 0x03: /* XSDR */
215 if (xsvf_read_buffer(xsdrsize, xsvf_fd, dr_out_buf) != ERROR_OK)
220 field.device = device;
221 field.num_bits = xsdrsize;
222 field.out_value = dr_out_buf;
223 field.out_mask = NULL;
224 field.in_value = NULL;
225 field.in_check_value = dr_in_buf;
226 field.in_check_mask = dr_in_mask;
227 field.in_handler = NULL;
228 field.in_handler_priv = NULL;
230 jtag_add_plain_dr_scan(1, &field, TAP_PD);
232 jtag_add_dr_scan(1, &field, TAP_PD);
233 if (jtag_execute_queue() != ERROR_OK)
240 if (runtest_requires_tck)
241 jtag_add_runtest(xruntest, xsvf_to_tap[xenddr]);
244 jtag_add_statemove(TAP_RTI);
245 jtag_add_sleep(xruntest);
246 jtag_add_statemove(xsvf_to_tap[xenddr]);
249 else if (xendir != 0x6) /* Pause-DR */
250 jtag_add_statemove(xsvf_to_tap[xenddr]);
253 case 0x04: /* XRUNTEST */
255 if (read(xsvf_fd, &ui, 4) < 0)
259 xruntest = ntohl(ui);
262 case 0x07: /* XREPEAT */
264 if (read(xsvf_fd, &c, 1) < 0)
271 case 0x08: /* XSDRSIZE */
273 if (read(xsvf_fd, &ui, 4) < 0)
277 xsdrsize = ntohl(ui);
281 dr_out_buf = malloc((xsdrsize + 7) / 8);
282 dr_in_buf = malloc((xsdrsize + 7) / 8);
283 dr_in_mask = malloc((xsdrsize + 7) / 8);
286 case 0x09: /* XSDRTDO */
288 if (xsvf_read_buffer(xsdrsize, xsvf_fd, dr_out_buf) != ERROR_OK)
292 if (xsvf_read_buffer(xsdrsize, xsvf_fd, dr_in_buf) != ERROR_OK)
297 field.device = device;
298 field.num_bits = xsdrsize;
299 field.out_value = dr_out_buf;
300 field.out_mask = NULL;
301 field.in_value = NULL;
302 field.in_check_value = dr_in_buf;
303 field.in_check_mask = dr_in_mask;
304 field.in_handler = NULL;
305 field.in_handler_priv = NULL;
307 jtag_add_plain_dr_scan(1, &field, TAP_PD);
309 jtag_add_dr_scan(1, &field, TAP_PD);
310 if (jtag_execute_queue() != ERROR_OK)
317 if (runtest_requires_tck)
318 jtag_add_runtest(xruntest, xsvf_to_tap[xenddr]);
321 jtag_add_statemove(TAP_RTI);
322 jtag_add_sleep(xruntest);
323 jtag_add_statemove(xsvf_to_tap[xenddr]);
326 else if (xendir != 0x6) /* Pause-DR */
327 jtag_add_statemove(xsvf_to_tap[xenddr]);
331 case 0x0a: /* XSETDRMASKS */
332 printf("unsupported XSETSDRMASKS\n");
335 case 0x0b: /* XSDRINC */
336 printf("unsupported XSDRINC\n");
339 case 0x0c: /* XSDRB */
342 case 0x0d: /* XSDRC */
345 case 0x0e: /* XSDRE */
348 case 0x0f: /* XSDRTDOB */
351 case 0x10: /* XSDRTDOB */
354 case 0x11: /* XSDRTDOB */
357 case 0x12: /* XSTATE */
359 if (read(xsvf_fd, &uc, 1) < 0)
363 enum tap_state *path = calloc(XSTATE_MAX_PATH, 4);
365 path[0] = xsvf_to_tap[uc];
366 if (xsvf_read_xstates(xsvf_fd, path, XSTATE_MAX_PATH, &path_len) != ERROR_OK)
370 jtag_add_pathmove(path_len, path);
375 case 0x13: /* XENDIR */
377 if (read(xsvf_fd, &c, 1) < 0)
387 ERROR("unknown XENDIR endstate");
392 case 0x14: /* XENDDR */
394 if (read(xsvf_fd, &c, 1) < 0)
404 ERROR("unknown XENDDR endstate");
409 case 0x15: /* XSIR2 */
411 if (read(xsvf_fd, &us, 2) < 0)
417 ir_buf = malloc((us + 7) / 8);
418 if (xsvf_read_buffer(us, xsvf_fd, ir_buf) != ERROR_OK)
423 field.device = device;
425 field.out_value = ir_buf;
426 field.out_mask = NULL;
427 field.in_value = NULL;
428 field.in_check_value = NULL;
429 field.in_check_mask = NULL;
430 field.in_handler = NULL;
431 field.in_handler_priv = NULL;
433 jtag_add_plain_ir_scan(1, &field, xsvf_to_tap[xendir]);
435 jtag_add_ir_scan(1, &field, xsvf_to_tap[xendir]);
440 case 0x16: /* XCOMMENT */
443 if (read(xsvf_fd, &c, 1) < 0)
450 case 0x17: /* XWAIT */
452 if ((read(xsvf_fd, &uc, 1) < 0) || (read(xsvf_fd, &uc2, 1) < 0) || (read(xsvf_fd, &ui, 4) < 0))
456 jtag_add_statemove(xsvf_to_tap[uc]);
459 jtag_add_statemove(xsvf_to_tap[uc2]);
463 printf("unknown xsvf command (0x%2.2x)\n", c);
467 if (do_abort || unsupported || tdo_mismatch)
473 command_print(cmd_ctx, "TDO mismatch, aborting");
480 command_print(cmd_ctx, "unsupported xsvf command encountered, aborting");
487 command_print(cmd_ctx, "premature end detected, aborting");
503 command_print(cmd_ctx, "XSVF file programmed successfully");