diff options
Diffstat (limited to 'src/xsvf/xsvf.c')
| -rw-r--r-- | src/xsvf/xsvf.c | 506 |
1 files changed, 506 insertions, 0 deletions
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; +} |