diff options
| -rw-r--r-- | src/svf/svf.c | 54 | ||||
| -rw-r--r-- | src/xsvf/xsvf.c | 77 |
2 files changed, 72 insertions, 59 deletions
diff --git a/src/svf/svf.c b/src/svf/svf.c index a25b3580..5b96971c 100644 --- a/src/svf/svf.c +++ b/src/svf/svf.c @@ -1,22 +1,21 @@ -/*************************************************************************** - * Copyright (C) 2009 by Simon Qian * - * SimonQian@SimonQian.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. * - ***************************************************************************/ +/* + * Copyright (C) 2009 by Simon Qian + * SimonQian@SimonQian.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 + */ /* The specification for SVF is available here: @@ -98,7 +97,22 @@ typedef struct tap_state_t paths[8]; }svf_statemove_t; -svf_statemove_t svf_statemoves[] = +/* + * These paths are from the SVF specification for the STATE command, to be + * used when the STATE command only includes the final state. The first + * element of the path is the "from" (current) state, and the last one is + * the "to" (target) state. + * + * All specified paths are the shortest ones in the JTAG spec, and are thus + * not (!!) exact matches for the paths used elsewhere in OpenOCD. Note + * that PAUSE-to-PAUSE transitions all go through UPDATE and then CAPTURE, + * which has specific effects on the various registers; they are not NOPs. + * + * Paths to RESET are disabled here. As elsewhere in OpenOCD, and in XSVF + * and many SVF implementations, we don't want to risk missing that state. + * To get to RESET, always we ignore the current state. + */ +static const svf_statemove_t svf_statemoves[] = { // from to num_of_moves, paths[8] // {TAP_RESET, TAP_RESET, 1, {TAP_RESET}}, diff --git a/src/xsvf/xsvf.c b/src/xsvf/xsvf.c index b1935095..083e6e32 100644 --- a/src/xsvf/xsvf.c +++ b/src/xsvf/xsvf.c @@ -1,31 +1,30 @@ -/*************************************************************************** - * Copyright (C) 2005 by Dominic Rath * - * Dominic.Rath@gmx.de * - * * - * Copyright (C) 2007,2008 Øyvind Harboe * - * oyvind.harboe@zylin.com * - * * - * Copyright (C) 2008 Peter Hettkamp * - * peter.hettkamp@htp-tel.de * - * * - * Copyright (C) 2009 SoftPLC Corporation. http://softplc.com * - * Dick Hollenbeck <dick@softplc.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. * - ***************************************************************************/ +/* + * Copyright (C) 2005 by Dominic Rath + * Dominic.Rath@gmx.de + * + * Copyright (C) 2007,2008 Øyvind Harboe + * oyvind.harboe@zylin.com + * + * Copyright (C) 2008 Peter Hettkamp + * peter.hettkamp@htp-tel.de + * + * Copyright (C) 2009 SoftPLC Corporation. http://softplc.com + * Dick Hollenbeck <dick@softplc.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 + */ /* The specification for SVF is available here: @@ -186,7 +185,7 @@ static int xsvf_read_buffer(int num_bits, int fd, uint8_t* buf) static int handle_xsvf_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { - uint8_t *dr_out_buf = NULL; /* from host to device (TDI) */ + uint8_t *dr_out_buf = NULL; /* from host to device (TDI) */ uint8_t *dr_in_buf = NULL; /* from device to host (TDO) */ uint8_t *dr_in_mask = NULL; @@ -197,7 +196,7 @@ static int handle_xsvf_command(struct command_context_s *cmd_ctx, char *cmd, cha tap_state_t xendir = TAP_IDLE; /* see page 8 of the SVF spec, initial xendir to be TAP_IDLE */ tap_state_t xenddr = TAP_IDLE; - uint8_t opcode; + uint8_t opcode; uint8_t uc; long file_offset = 0; @@ -206,14 +205,14 @@ static int handle_xsvf_command(struct command_context_s *cmd_ctx, char *cmd, cha int loop_clocks = 0; int loop_usecs = 0; - int do_abort = 0; - int unsupported = 0; - int tdo_mismatch = 0; - int result; + int do_abort = 0; + int unsupported = 0; + int tdo_mismatch = 0; + int result; int verbose = 1; char* filename; - int runtest_requires_tck = 0; /* a flag telling whether to clock TCK during waits, or simply sleep, controled by virt2 */ + int runtest_requires_tck = 0; /* a flag telling whether to clock TCK during waits, or simply sleep, controled by virt2 */ /* use NULL to indicate a "plain" xsvf file which accounts for @@ -500,7 +499,7 @@ static int handle_xsvf_command(struct command_context_s *cmd_ctx, char *cmd, cha LOG_DEBUG("XSTATE 0x%02X %s", uc, tap_state_name(mystate)); - /* there is no need for the lookahead code that was here since we + /* there is no need for the lookahead code that was here since we queue up the jtag commands anyway. This is a simple way to handle the XSTATE. */ @@ -654,7 +653,7 @@ static int handle_xsvf_command(struct command_context_s *cmd_ctx, char *cmd, cha case XCOMMENT: { unsigned int ndx = 0; - char comment[128]; + char comment[128]; do { @@ -687,7 +686,7 @@ static int handle_xsvf_command(struct command_context_s *cmd_ctx, char *cmd, cha tap_state_t wait_state; tap_state_t end_state; - int delay; + int delay; if (read(xsvf_fd, &wait, 1) < 0 || read(xsvf_fd, &end, 1) < 0 @@ -723,7 +722,7 @@ static int handle_xsvf_command(struct command_context_s *cmd_ctx, char *cmd, cha */ uint8_t clock_buf[4]; - uint8_t usecs_buf[4]; + uint8_t usecs_buf[4]; uint8_t wait; uint8_t end; tap_state_t wait_state; |