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- /***************************************************************************
- * Copyright (C) 2005 by Dominic Rath *
- * Dominic.Rath@gmx.de *
- * *
- * Copyright (C) 2007,2008 Øyvind Harboe *
- * oyvind.harboe@zylin.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., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
- #ifdef HAVE_CONFIG_H
- #include "config.h"
- #endif
-
- #include "xsvf.h"
-
- #include "jtag.h"
- #include "command.h"
- #include "log.h"
-
- #include <stdlib.h>
- #include <unistd.h>
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <fcntl.h>
- #include <string.h>
-
- #include <sys/time.h>
- #include <time.h>
-
- #define XSTATE_MAX_PATH (12)
-
- int handle_xsvf_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-
- int xsvf_fd = 0;
-
- u8 *dr_out_buf; /* from host to device (TDI) */
- u8 *dr_in_buf; /* from device to host (TDO) */
- u8 *dr_in_mask;
-
- int xsdrsize = 0;
- int xruntest = 0; /* number of TCK cycles / microseconds */
- int xrepeat = 0x20; /* number of XC9500 retries */
-
- int xendir = 0;
- int xenddr = 0;
-
- enum tap_state xsvf_to_tap[] =
- {
- TAP_TLR, TAP_RTI,
- TAP_SDS, TAP_CD, TAP_SD, TAP_E1D, TAP_PD, TAP_E2D, TAP_UD,
- TAP_SIS, TAP_CI, TAP_SI, TAP_E1I, TAP_PI, TAP_E2I, TAP_UI,
- };
-
- int tap_to_xsvf[] =
- {
- 0x0, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x1, 0x9, 0xa, 0xb, 0xc, 0xe, 0xf
- };
-
-
- /* xsvf has it's own definition of a statemove. This needs
- * to be handled according to the specs, which has nothing
- * to do with the JTAG spec or OpenOCD as such.
- *
- * Implemented via jtag_add_pathmove().
- */
- void xsvf_add_statemove(enum tap_state state)
- {
- enum tap_state moves[7]; /* max # of transitions */
- int i;
- enum tap_state curstate = cmd_queue_cur_state;
- u8 move = TAP_MOVE(cmd_queue_cur_state, state);
-
- if ((state != TAP_TLR) && (state == cmd_queue_cur_state))
- return;
-
- for (i=0; i<7; i++)
- {
- int j = (move >> i) & 1;
- if (j)
- {
- curstate = tap_transitions[curstate].high;
- } else
- {
- curstate = tap_transitions[curstate].low;
- }
- moves[i] = curstate;
- }
-
- jtag_add_pathmove(7, moves);
- }
-
- int xsvf_register_commands(struct command_context_s *cmd_ctx)
- {
- register_command(cmd_ctx, NULL, "xsvf", handle_xsvf_command,
- COMMAND_EXEC, "run xsvf <file>");
-
- return ERROR_OK;
- }
-
- int xsvf_read_buffer(int num_bits, int fd, u8* buf)
- {
- int num_bytes;
-
- for (num_bytes = (num_bits + 7) / 8; num_bytes > 0; num_bytes--)
- {
- if (read(fd, buf + num_bytes - 1, 1) < 0)
- return ERROR_XSVF_EOF;
- }
-
- return ERROR_OK;
- }
-
- int xsvf_read_xstates(int fd, enum tap_state *path, int max_path, int *path_len)
- {
- char c;
- unsigned char uc;
-
- while ((read(fd, &c, 1) > 0) && (c == 0x12))
- {
- if (*path_len > max_path)
- {
- LOG_WARNING("XSTATE path longer than max_path");
- break;
- }
- if (read(fd, &uc, 1) < 0)
- {
- return ERROR_XSVF_EOF;
- }
- path[(*path_len)++] = xsvf_to_tap[uc];
- }
-
- lseek(fd, -1, SEEK_CUR);
-
- return ERROR_OK;
- }
-
- int handle_xsvf_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
- {
- char c;
- u8 buf4[4], buf2[2];
- unsigned char uc, uc2;
- unsigned int ui;
- unsigned short us;
-
- int do_abort = 0;
- int unsupported = 0;
- int tdo_mismatch = 0;
-
- int runtest_requires_tck = 0;
-
- 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 */
-
- if (argc < 2)
- {
- command_print(cmd_ctx, "usage: xsvf <device#|plain> <file> <variant>");
- return ERROR_OK;
- }
-
- if (strcmp(args[0], "plain") != 0)
- {
- device = strtoul(args[0], NULL, 0);
- }
-
- if ((xsvf_fd = open(args[1], O_RDONLY)) < 0)
- {
- command_print(cmd_ctx, "file %s not found", args[0]);
- return ERROR_OK;
- }
-
- if ((argc > 2) && (strcmp(args[2], "virt2") == 0))
- {
- runtest_requires_tck = 1;
- }
-
- while (read(xsvf_fd, &c, 1) > 0)
- {
- switch (c)
- {
- case 0x00: /* XCOMPLETE */
- LOG_DEBUG("XCOMPLETE");
- if (jtag_execute_queue() != ERROR_OK)
- {
- tdo_mismatch = 1;
- break;
- }
- break;
- case 0x01: /* XTDOMASK */
- LOG_DEBUG("XTDOMASK");
- if (dr_in_mask && (xsvf_read_buffer(xsdrsize, xsvf_fd, dr_in_mask) != ERROR_OK))
- do_abort = 1;
- break;
- case 0x02: /* XSIR */
- LOG_DEBUG("XSIR");
- if (read(xsvf_fd, &c, 1) < 0)
- do_abort = 1;
- else
- {
- u8 *ir_buf = malloc((c + 7) / 8);
- if (xsvf_read_buffer(c, xsvf_fd, ir_buf) != ERROR_OK)
- do_abort = 1;
- else
- {
- scan_field_t field;
- field.device = device;
- field.num_bits = c;
- field.out_value = ir_buf;
- field.out_mask = NULL;
- field.in_value = NULL;
- field.in_check_value = NULL;
- field.in_check_mask = NULL;
- field.in_handler = NULL;
- field.in_handler_priv = NULL;
- if (device == -1)
- jtag_add_plain_ir_scan(1, &field, TAP_PI);
- else
- jtag_add_ir_scan(1, &field, TAP_PI);
- if (jtag_execute_queue() != ERROR_OK)
- {
- tdo_mismatch = 1;
- free(ir_buf);
- break;
- }
- if (xruntest)
- {
- if (runtest_requires_tck)
- jtag_add_runtest(xruntest, xsvf_to_tap[xendir]);
- else
- {
- xsvf_add_statemove(TAP_RTI);
- jtag_add_sleep(xruntest);
- xsvf_add_statemove(xsvf_to_tap[xendir]);
- }
- }
- else if (xendir != 0xd) /* Pause-IR */
- xsvf_add_statemove(xsvf_to_tap[xendir]);
- }
- free(ir_buf);
- }
- break;
- case 0x03: /* XSDR */
- LOG_DEBUG("XSDR");
- if (xsvf_read_buffer(xsdrsize, xsvf_fd, dr_out_buf) != ERROR_OK)
- do_abort = 1;
- else
- {
- scan_field_t field;
- field.device = device;
- field.num_bits = xsdrsize;
- field.out_value = dr_out_buf;
- field.out_mask = NULL;
- field.in_value = NULL;
- jtag_set_check_value(&field, dr_in_buf, dr_in_mask, NULL);
- if (device == -1)
- jtag_add_plain_dr_scan(1, &field, TAP_PD);
- else
- jtag_add_dr_scan(1, &field, TAP_PD);
- if (jtag_execute_queue() != ERROR_OK)
- {
- tdo_mismatch = 1;
- break;
- }
- if (xruntest)
- {
- if (runtest_requires_tck)
- jtag_add_runtest(xruntest, xsvf_to_tap[xenddr]);
- else
- {
- xsvf_add_statemove(TAP_RTI);
- jtag_add_sleep(xruntest);
- xsvf_add_statemove(xsvf_to_tap[xenddr]);
- }
- }
- else if (xendir != 0x6) /* Pause-DR */
- xsvf_add_statemove(xsvf_to_tap[xenddr]);
- }
- break;
- case 0x04: /* XRUNTEST */
- LOG_DEBUG("XRUNTEST");
- if (read(xsvf_fd, buf4, 4) < 0)
- do_abort = 1;
- else
- {
- xruntest = be_to_h_u32(buf4);
- }
- break;
- case 0x07: /* XREPEAT */
- LOG_DEBUG("XREPEAT");
- if (read(xsvf_fd, &c, 1) < 0)
- do_abort = 1;
- else
- {
- xrepeat = c;
- }
- break;
- case 0x08: /* XSDRSIZE */
- LOG_DEBUG("XSDRSIZE");
- if (read(xsvf_fd, buf4, 4) < 0)
- do_abort = 1;
- else
- {
- xsdrsize = be_to_h_u32(buf4);
- free(dr_out_buf);
- free(dr_in_buf);
- free(dr_in_mask);
- dr_out_buf = malloc((xsdrsize + 7) / 8);
- dr_in_buf = malloc((xsdrsize + 7) / 8);
- dr_in_mask = malloc((xsdrsize + 7) / 8);
- }
- break;
- case 0x09: /* XSDRTDO */
- LOG_DEBUG("XSDRTDO");
- if (xsvf_read_buffer(xsdrsize, xsvf_fd, dr_out_buf) != ERROR_OK)
- do_abort = 1;
- else
- {
- if (xsvf_read_buffer(xsdrsize, xsvf_fd, dr_in_buf) != ERROR_OK)
- do_abort = 1;
- else
- {
- scan_field_t field;
- field.device = device;
- field.num_bits = xsdrsize;
- field.out_value = dr_out_buf;
- field.out_mask = NULL;
- field.in_value = NULL;
- jtag_set_check_value(&field, dr_in_buf, dr_in_mask, NULL);
- if (device == -1)
- jtag_add_plain_dr_scan(1, &field, TAP_PD);
- else
- jtag_add_dr_scan(1, &field, TAP_PD);
- if (jtag_execute_queue() != ERROR_OK)
- {
- tdo_mismatch = 1;
- break;
- }
- if (xruntest)
- {
- if (runtest_requires_tck)
- jtag_add_runtest(xruntest, xsvf_to_tap[xenddr]);
- else
- {
- xsvf_add_statemove(TAP_RTI);
- jtag_add_sleep(xruntest);
- xsvf_add_statemove(xsvf_to_tap[xenddr]);
- }
- }
- else if (xendir != 0x6) /* Pause-DR */
- xsvf_add_statemove(xsvf_to_tap[xenddr]);
- }
- }
- break;
- case 0x0a: /* XSETDRMASKS */
- LOG_ERROR("unsupported XSETSDRMASKS\n");
- unsupported = 1;
- break;
- case 0x0b: /* XSDRINC */
- LOG_ERROR("unsupported XSDRINC\n");
- unsupported = 1;
- break;
- case 0x0c: /* XSDRB */
- unsupported = 1;
- break;
- case 0x0d: /* XSDRC */
- unsupported = 1;
- break;
- case 0x0e: /* XSDRE */
- unsupported = 1;
- break;
- case 0x0f: /* XSDRTDOB */
- unsupported = 1;
- break;
- case 0x10: /* XSDRTDOB */
- unsupported = 1;
- break;
- case 0x11: /* XSDRTDOB */
- unsupported = 1;
- break;
- case 0x12: /* XSTATE */
- LOG_DEBUG("XSTATE");
- if (read(xsvf_fd, &uc, 1) < 0)
- do_abort = 1;
- else
- {
- enum tap_state *path = calloc(XSTATE_MAX_PATH, 4);
- int path_len = 1;
- path[0] = xsvf_to_tap[uc];
- if (xsvf_read_xstates(xsvf_fd, path, XSTATE_MAX_PATH, &path_len) != ERROR_OK)
- do_abort = 1;
- else
- {
- jtag_add_pathmove(path_len, path);
- }
- free(path);
- }
- break;
- case 0x13: /* XENDIR */
- LOG_DEBUG("XENDIR");
- if (read(xsvf_fd, &c, 1) < 0)
- do_abort = 1;
- else
- {
- if (c == 0)
- xendir = 1;
- else if (c == 1)
- xendir = 0xd;
- else
- {
- LOG_ERROR("unknown XENDIR endstate");
- unsupported = 1;
- }
- }
- break;
- case 0x14: /* XENDDR */
- LOG_DEBUG("XENDDR");
- if (read(xsvf_fd, &c, 1) < 0)
- do_abort = 1;
- else
- {
- if (c == 0)
- xenddr = 1;
- else if (c == 1)
- xenddr = 0x6;
- else
- {
- LOG_ERROR("unknown XENDDR endstate");
- unsupported = 1;
- }
- }
- break;
- case 0x15: /* XSIR2 */
- LOG_DEBUG("XSIR2");
- if (read(xsvf_fd, buf2, 2) < 0)
- do_abort = 1;
- else
- {
- u8 *ir_buf;
- us = be_to_h_u16(buf2);
- ir_buf = malloc((us + 7) / 8);
- if (xsvf_read_buffer(us, xsvf_fd, ir_buf) != ERROR_OK)
- do_abort = 1;
- else
- {
- scan_field_t field;
- field.device = device;
- field.num_bits = us;
- field.out_value = ir_buf;
- field.out_mask = NULL;
- field.in_value = NULL;
- field.in_check_value = NULL;
- field.in_check_mask = NULL;
- field.in_handler = NULL;
- field.in_handler_priv = NULL;
- if (device == -1)
- jtag_add_plain_ir_scan(1, &field, xsvf_to_tap[xendir]);
- else
- jtag_add_ir_scan(1, &field, xsvf_to_tap[xendir]);
- }
- free(ir_buf);
- }
- break;
- case 0x16: /* XCOMMENT */
- do
- {
- if (read(xsvf_fd, &c, 1) < 0)
- {
- do_abort = 1;
- break;
- }
- } while (c != 0);
- break;
- case 0x17: /* XWAIT */
- LOG_DEBUG("XWAIT");
- if ((read(xsvf_fd, &uc, 1) < 0) || (read(xsvf_fd, &uc2, 1) < 0) || (read(xsvf_fd, buf4, 4) < 0))
- do_abort = 1;
- else
- {
- xsvf_add_statemove(xsvf_to_tap[uc]);
- ui = be_to_h_u32(buf4);
- jtag_add_sleep(ui);
- xsvf_add_statemove(xsvf_to_tap[uc2]);
- }
- break;
- default:
- LOG_ERROR("unknown xsvf command (0x%2.2x)\n", c);
- unsupported = 1;
- }
-
- if (do_abort || unsupported || tdo_mismatch)
- break;
- }
-
- if (tdo_mismatch)
- {
- command_print(cmd_ctx, "TDO mismatch, aborting");
- return ERROR_OK;
- }
-
- if (unsupported)
- {
- command_print(cmd_ctx, "unsupported xsvf command encountered, aborting");
- return ERROR_OK;
- }
-
- if (do_abort)
- {
- command_print(cmd_ctx, "premature end detected, aborting");
- return ERROR_OK;
- }
-
- if (dr_out_buf)
- free(dr_out_buf);
-
- if (dr_in_buf)
- free(dr_in_buf);
-
- if (dr_in_mask)
- free(dr_in_mask);
-
- close(xsvf_fd);
-
- command_print(cmd_ctx, "XSVF file programmed successfully");
-
- return ERROR_OK;
- }
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