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-rw-r--r--src/xsvf/Makefile.am5
-rw-r--r--src/xsvf/xsvf.c506
-rw-r--r--src/xsvf/xsvf.h30
3 files changed, 541 insertions, 0 deletions
diff --git a/src/xsvf/Makefile.am b/src/xsvf/Makefile.am
new file mode 100644
index 00000000..d9e80875
--- /dev/null
+++ b/src/xsvf/Makefile.am
@@ -0,0 +1,5 @@
+INCLUDES = -I$(top_srcdir)/src/gdb -I$(top_srcdir)/src/helper -I$(top_srcdir)/src/jtag $(all_includes)
+METASOURCES = AUTO
+noinst_LIBRARIES = libxsvf.a
+noinst_HEADERS = xsvf.h
+libxsvf_a_SOURCES = xsvf.c
diff --git a/src/xsvf/xsvf.c b/src/xsvf/xsvf.c
new file mode 100644
index 00000000..013803f6
--- /dev/null
+++ b/src/xsvf/xsvf.c
@@ -0,0 +1,506 @@
+/***************************************************************************
+ * Copyright (C) 2005 by Dominic Rath *
+ * Dominic.Rath@gmx.de *
+ * *
+ * 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. *
+ ***************************************************************************/
+#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 <netinet/in.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
+};
+
+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)
+ {
+ 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;
+ 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 */
+ DEBUG("XCOMPLETE");
+ if (jtag_execute_queue() != ERROR_OK)
+ {
+ tdo_mismatch = 1;
+ break;
+ }
+ break;
+ case 0x01: /* XTDOMASK */
+ DEBUG("XTDOMASK");
+ if (dr_in_mask && (xsvf_read_buffer(xsdrsize, xsvf_fd, dr_in_mask) != ERROR_OK))
+ do_abort = 1;
+ break;
+ case 0x02: /* XSIR */
+ 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
+ {
+ jtag_add_statemove(TAP_RTI);
+ jtag_add_sleep(xruntest);
+ jtag_add_statemove(xsvf_to_tap[xendir]);
+ }
+ }
+ else if (xendir != 0xd) /* Pause-IR */
+ jtag_add_statemove(xsvf_to_tap[xendir]);
+ }
+ free(ir_buf);
+ }
+ break;
+ case 0x03: /* XSDR */
+ 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;
+ field.in_check_value = dr_in_buf;
+ field.in_check_mask = dr_in_mask;
+ field.in_handler = NULL;
+ field.in_handler_priv = 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
+ {
+ jtag_add_statemove(TAP_RTI);
+ jtag_add_sleep(xruntest);
+ jtag_add_statemove(xsvf_to_tap[xenddr]);
+ }
+ }
+ else if (xendir != 0x6) /* Pause-DR */
+ jtag_add_statemove(xsvf_to_tap[xenddr]);
+ }
+ break;
+ case 0x04: /* XRUNTEST */
+ DEBUG("XRUNTEST");
+ if (read(xsvf_fd, &ui, 4) < 0)
+ do_abort = 1;
+ else
+ {
+ xruntest = ntohl(ui);
+ }
+ break;
+ case 0x07: /* XREPEAT */
+ DEBUG("XREPEAT");
+ if (read(xsvf_fd, &c, 1) < 0)
+ do_abort = 1;
+ else
+ {
+ xrepeat = c;
+ }
+ break;
+ case 0x08: /* XSDRSIZE */
+ DEBUG("XSDRSIZE");
+ if (read(xsvf_fd, &ui, 4) < 0)
+ do_abort = 1;
+ else
+ {
+ xsdrsize = ntohl(ui);
+ 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 */
+ 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;
+ field.in_check_value = dr_in_buf;
+ field.in_check_mask = dr_in_mask;
+ field.in_handler = NULL;
+ field.in_handler_priv = 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
+ {
+ jtag_add_statemove(TAP_RTI);
+ jtag_add_sleep(xruntest);
+ jtag_add_statemove(xsvf_to_tap[xenddr]);
+ }
+ }
+ else if (xendir != 0x6) /* Pause-DR */
+ jtag_add_statemove(xsvf_to_tap[xenddr]);
+ }
+ }
+ break;
+ case 0x0a: /* XSETDRMASKS */
+ printf("unsupported XSETSDRMASKS\n");
+ unsupported = 1;
+ break;
+ case 0x0b: /* XSDRINC */
+ printf("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 */
+ 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 */
+ 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
+ {
+ ERROR("unknown XENDIR endstate");
+ unsupported = 1;
+ }
+ }
+ break;
+ case 0x14: /* XENDDR */
+ 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
+ {
+ ERROR("unknown XENDDR endstate");
+ unsupported = 1;
+ }
+ }
+ break;
+ case 0x15: /* XSIR2 */
+ DEBUG("XSIR2");
+ if (read(xsvf_fd, &us, 2) < 0)
+ do_abort = 1;
+ else
+ {
+ u8 *ir_buf;
+ us = ntohs(us);
+ 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 */
+ DEBUG("XWAIT");
+ if ((read(xsvf_fd, &uc, 1) < 0) || (read(xsvf_fd, &uc2, 1) < 0) || (read(xsvf_fd, &ui, 4) < 0))
+ do_abort = 1;
+ else
+ {
+ jtag_add_statemove(xsvf_to_tap[uc]);
+ ui = ntohl(ui);
+ jtag_add_sleep(ui);
+ jtag_add_statemove(xsvf_to_tap[uc2]);
+ }
+ break;
+ default:
+ printf("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");
+ jtag_cancel_queue();
+ return ERROR_OK;
+ }
+
+ if (unsupported)
+ {
+ command_print(cmd_ctx, "unsupported xsvf command encountered, aborting");
+ jtag_cancel_queue();
+ return ERROR_OK;
+ }
+
+ if (do_abort)
+ {
+ command_print(cmd_ctx, "premature end detected, aborting");
+ jtag_cancel_queue();
+ 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;
+}
diff --git a/src/xsvf/xsvf.h b/src/xsvf/xsvf.h
new file mode 100644
index 00000000..017af882
--- /dev/null
+++ b/src/xsvf/xsvf.h
@@ -0,0 +1,30 @@
+/***************************************************************************
+ * Copyright (C) 2005 by Dominic Rath *
+ * Dominic.Rath@gmx.de *
+ * *
+ * 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. *
+ ***************************************************************************/
+#ifndef XSVF_H
+#define XSVF_H
+
+#include "command.h"
+
+extern int xsvf_register_commands(struct command_context_s *cmd_ctx);
+
+#define ERROR_XSVF_EOF (-200)
+#define ERROR_XSVF_FAILED (-201)
+
+#endif /* XSVF_H */
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