diff options
Diffstat (limited to 'sys/gnu/misc/aic7770')
| -rw-r--r-- | sys/gnu/misc/aic7770/COPYING | 339 | ||||
| -rw-r--r-- | sys/gnu/misc/aic7770/COPYRIGHT | 16 | ||||
| -rw-r--r-- | sys/gnu/misc/aic7770/README | 94 | ||||
| -rw-r--r-- | sys/gnu/misc/aic7770/README-FIRST | 19 | ||||
| -rw-r--r-- | sys/gnu/misc/aic7770/aic7770.1 | 54 | ||||
| -rw-r--r-- | sys/gnu/misc/aic7770/aic7770.c | 584 | ||||
| -rw-r--r-- | sys/gnu/misc/aic7770/aic7770.seq | 1157 | ||||
| -rw-r--r-- | sys/gnu/misc/aic7770/aic7770_seq.h | 351 |
8 files changed, 0 insertions, 2614 deletions
diff --git a/sys/gnu/misc/aic7770/COPYING b/sys/gnu/misc/aic7770/COPYING deleted file mode 100644 index a43ea2126fb6..000000000000 --- a/sys/gnu/misc/aic7770/COPYING +++ /dev/null @@ -1,339 +0,0 @@ - GNU GENERAL PUBLIC LICENSE - Version 2, June 1991 - - Copyright (C) 1989, 1991 Free Software Foundation, Inc. - 675 Mass Ave, Cambridge, MA 02139, USA - Everyone is permitted to copy and distribute verbatim copies - of this license document, but changing it is not allowed. - - Preamble - - The licenses for most software are designed to take away your -freedom to share and change it. By contrast, the GNU General Public -License is intended to guarantee your freedom to share and change free -software--to make sure the software is free for all its users. This -General Public License applies to most of the Free Software -Foundation's software and to any other program whose authors commit to -using it. (Some other Free Software Foundation software is covered by -the GNU Library General Public License instead.) You can apply it to -your programs, too. - - When we speak of free software, we are referring to freedom, not -price. Our General Public Licenses are designed to make sure that you -have the freedom to distribute copies of free software (and charge for -this service if you wish), that you receive source code or can get it -if you want it, that you can change the software or use pieces of it -in new free programs; and that you know you can do these things. - - To protect your rights, we need to make restrictions that forbid -anyone to deny you these rights or to ask you to surrender the rights. -These restrictions translate to certain responsibilities for you if you -distribute copies of the software, or if you modify it. - - For example, if you distribute copies of such a program, whether -gratis or for a fee, you must give the recipients all the rights that -you have. You must make sure that they, too, receive or can get the -source code. And you must show them these terms so they know their -rights. - - We protect your rights with two steps: (1) copyright the software, and -(2) offer you this license which gives you legal permission to copy, -distribute and/or modify the software. - - Also, for each author's protection and ours, we want to make certain -that everyone understands that there is no warranty for this free -software. If the software is modified by someone else and passed on, we -want its recipients to know that what they have is not the original, so -that any problems introduced by others will not reflect on the original -authors' reputations. - - Finally, any free program is threatened constantly by software -patents. We wish to avoid the danger that redistributors of a free -program will individually obtain patent licenses, in effect making the -program proprietary. To prevent this, we have made it clear that any -patent must be licensed for everyone's free use or not licensed at all. - - The precise terms and conditions for copying, distribution and -modification follow. - - GNU GENERAL PUBLIC LICENSE - TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION - - 0. This License applies to any program or other work which contains -a notice placed by the copyright holder saying it may be distributed -under the terms of this General Public License. The "Program", below, -refers to any such program or work, and a "work based on the Program" -means either the Program or any derivative work under copyright law: -that is to say, a work containing the Program or a portion of it, -either verbatim or with modifications and/or translated into another -language. (Hereinafter, translation is included without limitation in -the term "modification".) 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You may copy and distribute verbatim copies of the Program's -source code as you receive it, in any medium, provided that you -conspicuously and appropriately publish on each copy an appropriate -copyright notice and disclaimer of warranty; keep intact all the -notices that refer to this License and to the absence of any warranty; -and give any other recipients of the Program a copy of this License -along with the Program. - -You may charge a fee for the physical act of transferring a copy, and -you may at your option offer warranty protection in exchange for a fee. - - 2. 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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., 675 Mass Ave, Cambridge, MA 02139, USA. - -Also add information on how to contact you by electronic and paper mail. - -If the program is interactive, make it output a short notice like this -when it starts in an interactive mode: - - Gnomovision version 69, Copyright (C) 19yy name of author - Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. - This is free software, and you are welcome to redistribute it - under certain conditions; type `show c' for details. - -The hypothetical commands `show w' and `show c' should show the appropriate -parts of the General Public License. Of course, the commands you use may -be called something other than `show w' and `show c'; they could even be -mouse-clicks or menu items--whatever suits your program. - -You should also get your employer (if you work as a programmer) or your -school, if any, to sign a "copyright disclaimer" for the program, if -necessary. Here is a sample; alter the names: - - Yoyodyne, Inc., hereby disclaims all copyright interest in the program - `Gnomovision' (which makes passes at compilers) written by James Hacker. - - <signature of Ty Coon>, 1 April 1989 - Ty Coon, President of Vice - -This General Public License does not permit incorporating your program into -proprietary programs. If your program is a subroutine library, you may -consider it more useful to permit linking proprietary applications with the -library. If this is what you want to do, use the GNU Library General -Public License instead of this License. diff --git a/sys/gnu/misc/aic7770/COPYRIGHT b/sys/gnu/misc/aic7770/COPYRIGHT deleted file mode 100644 index 905285da6759..000000000000 --- a/sys/gnu/misc/aic7770/COPYRIGHT +++ /dev/null @@ -1,16 +0,0 @@ -Adaptec 274x device driver for Linux. -Copyright (c) 1994 The University of Calgary Department of Computer Science. - -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., 675 Mass Ave, Cambridge, MA 02139, USA. diff --git a/sys/gnu/misc/aic7770/README b/sys/gnu/misc/aic7770/README deleted file mode 100644 index 1e4e5a011a69..000000000000 --- a/sys/gnu/misc/aic7770/README +++ /dev/null @@ -1,94 +0,0 @@ -@(#)README 1.16 94/11/09 jda - -AHA274x/284x DRIVER - -*** THIS SHOULD BE CONSIDERED BETA SOFTWARE *** - -BACKGROUND & LIMITATIONS - -For various reasons, we ended up with one of these cards under the -impression that support was soon forthcoming. In mid-May, I asked -Scott Ferris (the official person who's supposed to be writing this -driver) what documentation he used, _finally_ got it from Adaptec, -and started writing this driver. It is now at what I would consider -a stable state - it runs our news server and is battered by SCSI -requests 24 hours a day without dying. There are a few devices it -reportedly doesn't like working with - those are being sorted out. Due -to some unexpected equipment loans, I am able to support this at least -for the time being. - -YOU MUST HAVE THE BIOS ENABLED OR THIS WILL NOT WORK. The BIOS extracts -some configuration information that I cannot get to portably yet, as -well as provides some self-tests which this driver does not attempt to -duplicate. - -Scott's driver development is stalled for now, and after discussions -with him, this is now officially out of "pre-alpha" status and into -beta until the remaining device problems can be resolved. The latest -patches can be obtained via anonymous ftp from ftp.cpsc.ucalgary.ca in -/pub/systems/linux/aha274x. - -It supports both EISA 274x and VL-bus 284x, either single or twin-bus cards -(but not the second SCSI bus of twin cards - see aha274x.c), and supports -disconnection, synchronous SCSI, and scatter-gather. Unlike previous -versions, abort() and reset() are now implemented, and both hosts.c and -aha274x.c should give a clean compile. Code is now present to detect parity -errors, but has not been tested. - -I wrote this using a 1.0.9 kernel. Unfortunately, I'm getting tired of -#ifdef'ing everything to handle two or three different evolutionary steps -in the SCSI kernel code, so I've upgraded my system to 1.1.49, and will -only leave in code to support versions from about 1.1.45 onward. - -Thanks to patches supplied by Mark Olson <molson@tricord.com>, this driver -will now work with the 284x series (the VL-bus version of this card). The -294x (PCI-bus) support is based on patches sent to me by Mark Olson and -Alan Hourihane <alanh@fairlite.demon.co.uk>. - -Under protest, this driver is subject to the GPL - see the file -COPYING for details. - -Thanks to the following people for bug fixes/code improvements (also -thanks to the people who have sent me feedback): - - "David F. Carlson" <dave@ee.rochester.edu> - Jimen Ching <jiching@wiliki.eng.hawaii.edu> - mday@artisoft.com (Matt Day) - "Dean W. Gehnert" <deang@ims.com> - Darcy Grant <darcy@cpsc.ucalgary.ca> - Alan Hourihane <alanh@fairlite.demon.co.uk> - isely@fncrd8.fnal.gov (Mike Isely) - Mike Jerger <jerger@ux1.cso.uiuc.edu> - tm@netcom.com (Toshiyasu Morita) - neal@interact.org (Neal Norwitz) - Mark Olson <molson@tricord.com> - map@europa.ecn.uoknor.edu (Michael A. Parker) - Thomas Scheunemann <thomas@dagobert.uni-duisburg.de> - -Special thanks to Drew Eckhardt <drew@kinglear.cs.Colorado.EDU> for -fielding my questions about synchronous negotiation. Steffen Moeller -<smoe0024@rz.uni-hildesheim.de> sent me installation instructions which -were previously included in this README. - -David Pirie <pirie@cpsc.ucalgary.ca> was nice enough to loan me his -2842 card for a week so I could track down one bug, as well as his -CD-ROM drive later, and also thanks to Doug Fortune at Riley's Data Share -in Calgary, who arranged a long-term loan of a 2842 board for further work. - -Many thanks to the fearless prerelease testers! Dean Gehnert has been -building Slackware boot disks for the driver, which are available from -ftp.cpsc.ucalgary.ca in /pub/systems/linux/aha274x/slackware_boot. - -Carl Riches <cgr@poplar1.cfr.washington.edu> has set up a mailing list -for aic7xxx driver development. To subscribe, send a message to -aic7770-list@poplar1.cfr.washington.edu with a message body of: - - subscribe AIC7770-LIST <your name here, without the angle brackets> - -Please direct questions and discussions to that list instead of me. When -sending bug reports, please include a description of your hardware, the -release numbers displayed by the driver at boot time, and as accurate a -facsimilie of any error message you're mailing about. - -John Aycock -aycock@cpsc.ucalgary.ca diff --git a/sys/gnu/misc/aic7770/README-FIRST b/sys/gnu/misc/aic7770/README-FIRST deleted file mode 100644 index 056dbc82cd61..000000000000 --- a/sys/gnu/misc/aic7770/README-FIRST +++ /dev/null @@ -1,19 +0,0 @@ -This is VERY MUCH ALPHA SOFTWARE. You MUST know what you're doing to -use this, or else!!! - -Ok, everything's been renamed to reference an "aic7xxx" driver instead -of "aha274x", and a merger of the two PCI patches I had has been put in, -along with re-doing the detection and configuration routines. To summarize -the status: it compiles cleanly. I don't expect it to work off the bat, -but it's for the 294x development people to synchronize their code -together. - -The file scsi-diffs-1.1.59 is NOT a proper patch file, but some diffs -to kernel files concatenated together. I've sent these off to Drew, -but if you're testing this you'll have to apply them - it allows a -per-driver-instance can_queue variable, which for the aic7xxx driver -is the number of SCBs the card supports. - -Good luck! I await your comments.. Mark, Alan - let me know where I -broke it, please ;-) -:ja diff --git a/sys/gnu/misc/aic7770/aic7770.1 b/sys/gnu/misc/aic7770/aic7770.1 deleted file mode 100644 index 2009f8c7ad6e..000000000000 --- a/sys/gnu/misc/aic7770/aic7770.1 +++ /dev/null @@ -1,54 +0,0 @@ -.\" Copyright (c) 1994 -.\" Justin T. Gibbs. All rights reserved. -.\" -.\" Redistribution and use in source and binary forms, with or without -.\" modification, are permitted provided that the following conditions -.\" are met: -.\" 1. Redistributions of source code must retain the above copyright -.\" notice, this list of conditions and the following disclaimer. -.\" 2. Redistributions in binary form must reproduce the above copyright -.\" notice, this list of conditions and the following disclaimer in the -.\" documentation and/or other materials provided with the distribution. -.\" 3. All advertising materials mentioning features or use of this software -.\" must display the following acknowledgement: -.\" This product includes software developed by Justin T. Gibbs. -.\" 4. The name of Justin T. Gibbs may not be used to endorse or promote -.\" products derived from this software without specific prior written -.\" permission. -.\" -.\" THIS SOFTWARE IS PROVIDED BY JUSTIN T. GIBBS ``AS IS'' AND -.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE -.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS -.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) -.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF -.\" SUCH DAMAGE. -.\" -.\" @(#)aic7770.1 11/15/94 -.\" -.Dd November 11, 1994 -.Dt AIC7770 1 -.Os BSD 4 -.Sh NAME -.Nm aic7770 -.Nd aic7770 SCSI controller assembler -.Sh SYNOPSIS -.Nm aic7770 -.Op Fl o destination -.Ar source-file -.Sh DESCRIPTION -.Ar Source-file -is a file containing Aic7770 compatible assembly code. The output of the -assembler defaults to -.Ar a.out -but can be optionally redirected to -.Ar destination. -.Pp -.Sh AUTHOR -This aic7770 compiler was written by John Aycock (aycock@cpsc.ucalgary.ca) and -is subject to the GNU Public License. - diff --git a/sys/gnu/misc/aic7770/aic7770.c b/sys/gnu/misc/aic7770/aic7770.c deleted file mode 100644 index 417a352762d3..000000000000 --- a/sys/gnu/misc/aic7770/aic7770.c +++ /dev/null @@ -1,584 +0,0 @@ -/* - * Adaptec 274x device driver for Linux. - * Copyright (c) 1994 The University of Calgary Department of Computer Science. - * - * 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., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * Comments are started by `#' and continue to the end of the line; lines - * may be of the form: - * - * <label>* - * <label>* <undef-sym> = <value> - * <label>* <opcode> <operand>* - * - * A <label> is an <undef-sym> ending in a colon. Spaces, tabs, and commas - * are token separators. - */ - -/* #define _POSIX_SOURCE 1 */ -#define _POSIX_C_SOURCE 2 - -#include <ctype.h> -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <unistd.h> - -#define MEMORY 512 /* 2^9 29-bit words */ -#define MAXLINE 1024 -#define MAXTOKEN 32 -#define ADOTOUT "a.out" -#define NOVALUE -1 - -/* - * AIC-7770 register definitions - */ -#define R_SINDEX 0x65 -#define R_ALLONES 0x69 -#define R_ALLZEROS 0x6a -#define R_NONE 0x6a - -static -char sccsid[] = - "@(#)aic7770.c 1.10 94/07/22 jda"; - -int debug; -int lineno, LC; -char *filename; -FILE *ifp, *ofp; -unsigned char M[MEMORY][4]; - -void error(char *s) -{ - fprintf(stderr, "%s: %s at line %d\n", filename, s, lineno); - exit(EXIT_FAILURE); -} - -void *Malloc(size_t size) -{ - void *p = malloc(size); - if (!p) - error("out of memory"); - return(p); -} - -void *Realloc(void *ptr, size_t size) -{ - void *p = realloc(ptr, size); - if (!p) - error("out of memory"); - return(p); -} - -char *Strdup(char *s) -{ - char *p = (char *)Malloc(strlen(s) + 1); - strcpy(p, s); - return(p); -} - -typedef struct sym_t { - struct sym_t *next; /* MUST BE FIRST */ - char *name; - int value; - int npatch, *patch; -} sym_t; - -sym_t *head; - -void define(char *name, int value) -{ - sym_t *p, *q; - - for (p = head, q = (sym_t *)&head; p; p = p->next) { - if (!strcmp(p->name, name)) - error("redefined symbol"); - q = p; - } - - p = q->next = (sym_t *)Malloc(sizeof(sym_t)); - p->next = NULL; - p->name = Strdup(name); - p->value = value; - p->npatch = 0; - p->patch = NULL; - - if (debug) { - fprintf(stderr, "\"%s\" ", p->name); - if (p->value != NOVALUE) - fprintf(stderr, "defined as 0x%x\n", p->value); - else - fprintf(stderr, "undefined\n"); - } -} - -sym_t *lookup(char *name) -{ - sym_t *p; - - for (p = head; p; p = p->next) - if (!strcmp(p->name, name)) - return(p); - return(NULL); -} - -void patch(sym_t *p, int location) -{ - p->npatch += 1; - p->patch = (int *)Realloc(p->patch, p->npatch * sizeof(int *)); - - p->patch[p->npatch - 1] = location; -} - -void backpatch(void) -{ - int i; - sym_t *p; - - for (p = head; p; p = p->next) { - - if (p->value == NOVALUE) { - fprintf(stderr, - "%s: undefined symbol \"%s\"\n", - filename, p->name); - exit(EXIT_FAILURE); - } - - if (p->npatch) { - if (debug) - fprintf(stderr, - "\"%s\" (0x%x) patched at", - p->name, p->value); - - for (i = 0; i < p->npatch; i++) { - M[p->patch[i]][0] &= ~1; - M[p->patch[i]][0] |= ((p->value >> 8) & 1); - M[p->patch[i]][1] = p->value & 0xff; - - if (debug) - fprintf(stderr, " 0x%x", p->patch[i]); - } - - if (debug) - fputc('\n', stderr); - } - } -} - -/* - * Output words in byte-reversed order (least significant first) - * since the sequencer RAM is loaded that way. - */ -void output(FILE *fp) -{ - int i; - - for (i = 0; i < LC; i++) - fprintf(fp, "\t0x%02x, 0x%02x, 0x%02x, 0x%02x,\n", - M[i][3], - M[i][2], - M[i][1], - M[i][0]); -} - -char **getl(int *n) -{ - int i; - char *p; - static char buf[MAXLINE]; - static char *a[MAXTOKEN]; - - i = 0; - - while (fgets(buf, sizeof(buf), ifp)) { - - lineno += 1; - - if (buf[strlen(buf)-1] != '\n') - error("line too long"); - - p = strchr(buf, '#'); - if (p) - *p = '\0'; - - for (p = strtok(buf, ", \t\n"); p; p = strtok(NULL, ", \t\n")) - if (i < MAXTOKEN-1) - a[i++] = p; - else - error("too many tokens"); - if (i) { - *n = i; - return(a); - } - } - return(NULL); -} - -#define A 0x8000 /* `A'ccumulator ok */ -#define I 0x4000 /* use as immediate value */ -#define SL 0x2000 /* shift left */ -#define SR 0x1000 /* shift right */ -#define RL 0x0800 /* rotate left */ -#define RR 0x0400 /* rotate right */ -#define LO 0x8000 /* lookup: ori-{jmp,jc,jnc,call} */ -#define LA 0x4000 /* lookup: and-{jz,jnz} */ -#define LX 0x2000 /* lookup: xor-{je,jne} */ -#define NA -1 /* not applicable */ - -struct { - char *name; - int n; /* number of operands, including opcode */ - unsigned int op; /* immediate or L?|pos_from_0 */ - unsigned int dest; /* NA, pos_from_0, or I|immediate */ - unsigned int src; /* NA, pos_from_0, or I|immediate */ - unsigned int imm; /* pos_from_0, A|pos_from_0, or I|immediate */ - unsigned int addr; /* NA or pos_from_0 */ - int fmt; /* instruction format - 1, 2, or 3 */ -} instr[] = { -/* - * N OP DEST SRC IMM ADDR FMT - */ - "mov", 3, 1, 1, 2, I|0xff, NA, 1, - "mov", 4, LO|2, NA, 1, I|0, 3, 3, - "mvi", 3, 0, 1, I|R_ALLZEROS, A|2, NA, 1, - "mvi", 4, LO|2, NA, I|R_ALLZEROS, 1, 3, 3, - "not", 2, 2, 1, 1, I|0xff, NA, 1, - "not", 3, 2, 1, 2, I|0xff, NA, 1, - "and", 3, 1, 1, 1, A|2, NA, 1, - "and", 4, 1, 1, 3, A|2, NA, 1, - "or", 3, 0, 1, 1, A|2, NA, 1, - "or", 4, 0, 1, 3, A|2, NA, 1, - "or", 5, LO|3, NA, 1, 2, 4, 3, - "xor", 3, 2, 1, 1, A|2, NA, 1, - "xor", 4, 2, 1, 3, A|2, NA, 1, - "nop", 1, 1, I|R_NONE, I|R_ALLZEROS, I|0xff, NA, 1, - "inc", 2, 3, 1, 1, I|1, NA, 1, - "inc", 3, 3, 1, 2, I|1, NA, 1, - "dec", 2, 3, 1, 1, I|0xff, NA, 1, - "dec", 3, 3, 1, 2, I|0xff, NA, 1, - "jmp", 2, LO|0, NA, I|R_SINDEX, I|0, 1, 3, - "jc", 2, LO|0, NA, I|R_SINDEX, I|0, 1, 3, - "jnc", 2, LO|0, NA, I|R_SINDEX, I|0, 1, 3, - "call", 2, LO|0, NA, I|R_SINDEX, I|0, 1, 3, - "test", 5, LA|3, NA, 1, A|2, 4, 3, - "cmp", 5, LX|3, NA, 1, A|2, 4, 3, - "ret", 1, 1, I|R_NONE, I|R_ALLZEROS, I|0xff, NA, 1, - "clc", 1, 3, I|R_NONE, I|R_ALLZEROS, I|1, NA, 1, - "clc", 4, 3, 2, I|R_ALLZEROS, A|3, NA, 1, - "stc", 1, 3, I|R_NONE, I|R_ALLONES, I|1, NA, 1, - "stc", 2, 3, 1, I|R_ALLONES, I|1, NA, 1, - "add", 3, 3, 1, 1, A|2, NA, 1, - "add", 4, 3, 1, 3, A|2, NA, 1, - "adc", 3, 4, 1, 1, A|2, NA, 1, - "adc", 4, 4, 1, 3, A|2, NA, 1, - "shl", 3, 5, 1, 1, SL|2, NA, 2, - "shl", 4, 5, 1, 2, SL|3, NA, 2, - "shr", 3, 5, 1, 1, SR|2, NA, 2, - "shr", 4, 5, 1, 2, SR|3, NA, 2, - "rol", 3, 5, 1, 1, RL|2, NA, 2, - "rol", 4, 5, 1, 2, RL|3, NA, 2, - "ror", 3, 5, 1, 1, RR|2, NA, 2, - "ror", 4, 5, 1, 2, RR|3, NA, 2, - /* - * Extensions (note also that mvi allows A) - */ - "clr", 2, 1, 1, I|R_ALLZEROS, I|0xff, NA, 1, - 0 -}; - -int eval_operand(char **a, int spec) -{ - int i; - unsigned int want = spec & (LO|LA|LX); - - static struct { - unsigned int what; - char *name; - int value; - } jmptab[] = { - LO, "jmp", 8, - LO, "jc", 9, - LO, "jnc", 10, - LO, "call", 11, - LA, "jz", 15, - LA, "jnz", 13, - LX, "je", 14, - LX, "jne", 12, - }; - - spec &= ~(LO|LA|LX); - - for (i = 0; i < sizeof(jmptab)/sizeof(jmptab[0]); i++) - if (jmptab[i].what == want && - !strcmp(jmptab[i].name, a[spec])) - { - return(jmptab[i].value); - } - - if (want) - error("invalid jump"); - - return(spec); /* "case 0" - no flags set */ -} - -int eval_sdi(char **a, int spec) -{ - sym_t *p; - unsigned val; - - if (spec == NA) - return(NA); - - switch (spec & (A|I|SL|SR|RL|RR)) { - case SL: - case SR: - case RL: - case RR: - if (isdigit(*a[spec &~ (SL|SR|RL|RR)])) - val = strtol(a[spec &~ (SL|SR|RL|RR)], NULL, 0); - else { - p = lookup(a[spec &~ (SL|SR|RL|RR)]); - if (!p) - error("undefined symbol used"); - val = p->value; - } - - switch (spec & (SL|SR|RL|RR)) { /* blech */ - case SL: - if (val > 7) - return(0xf0); - return(((val % 8) << 4) | - (val % 8)); - case SR: - if (val > 7) - return(0xf0); - return(((val % 8) << 4) | - (1 << 3) | - ((8 - (val % 8)) % 8)); - case RL: - return(val % 8); - case RR: - return((8 - (val % 8)) % 8); - } - case I: - return(spec &~ I); - case A: - /* - * An immediate field of zero selects - * the accumulator. Vigorously object - * if zero is given otherwise - it's - * most likely an error. - */ - spec &= ~A; - if (!strcmp("A", a[spec])) - return(0); - if (isdigit(*a[spec]) && - strtol(a[spec], NULL, 0) == 0) - { - error("immediate value of zero selects accumulator"); - } - /* falls through */ - case 0: - if (isdigit(*a[spec])) - return(strtol(a[spec], NULL, 0)); - p = lookup(a[spec]); - if (p) - return(p->value); - error("undefined symbol used"); - } - - return(NA); /* shut the compiler up */ -} - -int eval_addr(char **a, int spec) -{ - sym_t *p; - - if (spec == NA) - return(NA); - if (isdigit(*a[spec])) - return(strtol(a[spec], NULL, 0)); - - p = lookup(a[spec]); - - if (p) { - if (p->value != NOVALUE) - return(p->value); - patch(p, LC); - } else { - define(a[spec], NOVALUE); - p = lookup(a[spec]); - patch(p, LC); - } - - return(NA); /* will be patched in later */ -} - -int crack(char **a, int n) -{ - int i; - int I_imm, I_addr; - int I_op, I_dest, I_src, I_ret; - - /* - * Check for "ret" at the end of the line; remove - * it unless it's "ret" alone - we still want to - * look it up in the table. - */ - I_ret = (strcmp(a[n-1], "ret") ? 0 : !0); - if (I_ret && n > 1) - n -= 1; - - for (i = 0; instr[i].name; i++) { - /* - * Look for match in table given constraints, - * currently just the name and the number of - * operands. - */ - if (!strcmp(instr[i].name, *a) && instr[i].n == n) - break; - } - if (!instr[i].name) - error("unknown opcode or wrong number of operands"); - - I_op = eval_operand(a, instr[i].op); - I_src = eval_sdi(a, instr[i].src); - I_imm = eval_sdi(a, instr[i].imm); - I_dest = eval_sdi(a, instr[i].dest); - I_addr = eval_addr(a, instr[i].addr); - - switch (instr[i].fmt) { - case 1: - case 2: - M[LC][0] = (I_op << 1) | I_ret; - M[LC][1] = I_dest; - M[LC][2] = I_src; - M[LC][3] = I_imm; - break; - case 3: - if (I_ret) - error("illegal use of \"ret\""); - M[LC][0] = (I_op << 1) | ((I_addr >> 8) & 1); - M[LC][1] = I_addr & 0xff; - M[LC][2] = I_src; - M[LC][3] = I_imm; - break; - } - - return(1); /* no two-byte instructions yet */ -} - -#undef SL -#undef SR -#undef RL -#undef RR -#undef LX -#undef LA -#undef LO -#undef I -#undef A - -void assemble(void) -{ - int n; - char **a; - sym_t *p; - - while ((a = getl(&n))) { - - while (a[0][strlen(*a)-1] == ':') { - a[0][strlen(*a)-1] = '\0'; - p = lookup(*a); - if (p) - p->value = LC; - else - define(*a, LC); - a += 1; - n -= 1; - } - - if (!n) /* line was all labels */ - continue; - - if (n == 3 && !strcmp("VERSION", *a)) - fprintf(ofp, "#define %s \"%s\"\n", a[1], a[2]); - else { - if (n == 3 && !strcmp("=", a[1])) - define(*a, strtol(a[2], NULL, 0)); - else - LC += crack(a, n); - } - } - - backpatch(); - output(ofp); - - if (debug) - output(stderr); -} - -int main(int argc, char **argv) -{ - int c; - - while ((c = getopt(argc, argv, "dho:")) != EOF) { - switch (c) { - case 'd': - debug = !0; - break; - case 'o': - ofp = fopen(optarg, "w"); - if (!ofp) { - perror(optarg); - exit(EXIT_FAILURE); - } - break; - case 'h': - printf("usage: %s [-d] [-ooutput] input\n", *argv); - exit(EXIT_SUCCESS); - case NULL: - /* - * An impossible option to shut the compiler - * up about sccsid[]. - */ - exit((int)sccsid); - default: - exit(EXIT_FAILURE); - } - } - - if (argc - optind != 1) { - fprintf(stderr, "%s: must have one input file\n", *argv); - exit(EXIT_FAILURE); - } - filename = argv[optind]; - - ifp = fopen(filename, "r"); - if (!ifp) { - perror(filename); - exit(EXIT_FAILURE); - } - - if (!ofp) { - ofp = fopen(ADOTOUT, "w"); - if (!ofp) { - perror(ADOTOUT); - exit(EXIT_FAILURE); - } - } - - assemble(); - exit(EXIT_SUCCESS); -} diff --git a/sys/gnu/misc/aic7770/aic7770.seq b/sys/gnu/misc/aic7770/aic7770.seq deleted file mode 100644 index a11203357e25..000000000000 --- a/sys/gnu/misc/aic7770/aic7770.seq +++ /dev/null @@ -1,1157 +0,0 @@ -# @(#)aic7xxx.seq 1.31 94/11/25 jda -# -# Adaptec 274x device driver for Linux. -# Copyright (c) 1994 The University of Calgary Department of Computer Science. -# -# 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., 675 Mass Ave, Cambridge, MA 02139, USA. - -VERSION AIC7XXX_SEQ_VERSION 1.31 - -SCBMASK = 0x1f - -SCSISEQ = 0x00 -SXFRCTL0 = 0x01 -SXFRCTL1 = 0x02 -SCSISIGI = 0x03 -SCSISIGO = 0x03 -SCSIRATE = 0x04 -SCSIID = 0x05 -SCSIDATL = 0x06 -STCNT = 0x08 -STCNT+0 = 0x08 -STCNT+1 = 0x09 -STCNT+2 = 0x0a -SSTAT0 = 0x0b -CLRSINT1 = 0x0c -SSTAT1 = 0x0c -SIMODE1 = 0x11 -SCSIBUSL = 0x12 -SHADDR = 0x14 -SELID = 0x19 -SBLKCTL = 0x1f -SEQCTL = 0x60 -A = 0x64 # == ACCUM -SINDEX = 0x65 -DINDEX = 0x66 -ALLZEROS = 0x6a -NONE = 0x6a -SINDIR = 0x6c -DINDIR = 0x6d -FUNCTION1 = 0x6e -HADDR = 0x88 -HCNT = 0x8c -HCNT+0 = 0x8c -HCNT+1 = 0x8d -HCNT+2 = 0x8e -SCBPTR = 0x90 -INTSTAT = 0x91 -DFCNTRL = 0x93 -DFSTATUS = 0x94 -DFDAT = 0x99 -QINFIFO = 0x9b -QINCNT = 0x9c -QOUTFIFO = 0x9d - -SCSICONF_A = 0x5a -SCSICONF_B = 0x5b - -# The two reserved bytes at SCBARRAY+1[23] are expected to be set to -# zero, and the reserved bit in SCBARRAY+0 is used as an internal flag -# to indicate whether or not to reload scatter-gather parameters after -# a disconnect. -# -SCBARRAY+0 = 0xa0 -SCBARRAY+1 = 0xa1 -SCBARRAY+2 = 0xa2 -SCBARRAY+3 = 0xa3 -SCBARRAY+7 = 0xa7 -SCBARRAY+11 = 0xab -SCBARRAY+14 = 0xae -SCBARRAY+15 = 0xaf -SCBARRAY+16 = 0xb0 -SCBARRAY+17 = 0xb1 -SCBARRAY+18 = 0xb2 -SCBARRAY+19 = 0xb3 -SCBARRAY+20 = 0xb4 -SCBARRAY+21 = 0xb5 -SCBARRAY+22 = 0xb6 -SCBARRAY+23 = 0xb7 -SCBARRAY+24 = 0xb8 -SCBARRAY+25 = 0xb9 - -SIGNAL_0 = 0x01 # unknown scsi bus phase -SIGNAL_1 = 0x11 # message reject -SIGNAL_2 = 0x21 # no IDENTIFY after reconnect -SIGNAL_3 = 0x31 # no cmd match for reconnect -SIGNAL_4 = 0x41 # SDTR -> SCSIRATE conversion -STATUS_ERROR = 0x51 - -# The host adapter card (at least the BIOS) uses 20-2f for SCSI -# device information, 32-33 and 5a-5f as well. As it turns out, the -# BIOS trashes 20-2f, writing the synchronous negotiation results -# on top of the BIOS values, so we re-use those for our per-target -# scratchspace (actually a value that can be copied directly into -# SCSIRATE). The kernel driver will enable synchronous negotiation -# for all targets that have a value other than 0 in the lower four -# bits of the target scratch space. This should work irregardless of -# whether the bios has been installed. NEEDSDTR has one bit per target -# indicating if an SDTR message is needed for that device - this will -# be set initially (based on a search through the target scratch space), -# as well as after a bus reset condition. -# -# The high bit of DROPATN is set if ATN should be dropped before the ACK -# when outb is called. REJBYTE contains the first byte of a MESSAGE IN -# message, so the driver can report an intelligible error if a message is -# rejected. -# -# RESELECT's high bit is true if we are currently handling a reselect; -# its next-highest bit is true ONLY IF we've seen an IDENTIFY message -# from the reselecting target. If we haven't had IDENTIFY, then we have -# no idea what the lun is, and we can't select the right SCB register -# bank, so force a kernel panic if the target attempts a data in/out or -# command phase instead of corrupting something. -# -# Note that SG_NEXT occupies four bytes. -# -SYNCNEG = 0x20 - -DROPATN = 0x30 -REJBYTE = 0x31 -DISC_DSB_A = 0x32 -DISC_DSB_B = 0x33 -RESELECT = 0x34 - -MSG_FLAGS = 0x35 -MSG_LEN = 0x36 -MSG_START+0 = 0x37 -MSG_START+1 = 0x38 -MSG_START+2 = 0x39 -MSG_START+3 = 0x3a -MSG_START+4 = 0x3b -MSG_START+5 = 0x3c --MSG_START+0 = 0xc9 # 2's complement of MSG_START+0 - -ARG_1 = 0x4c # sdtr conversion args & return -RETURN_1 = 0x4c - -SIGSTATE = 0x4d # value written to SCSISIGO -NEEDSDTR_A = 0x4e # send SDTR message, 1 bit/trgt -NEEDSDTR_B = 0x4f - -SG_SIZEOF = 0x8 # sizeof(struct scatterlist) -SG_NOLOAD = 0x50 # load SG pointer/length? -SG_COUNT = 0x51 # working value of SG count -SG_NEXT = 0x52 # working value of SG pointer -SG_NEXT+0 = 0x52 -SG_NEXT+1 = 0x53 -SG_NEXT+2 = 0x54 -SG_NEXT+3 = 0x55 - -SCBCOUNT = 0x56 # the actual number of SCBs -FLAGS = 0x57 # Device configuration flags -TWIN_BUS = 0x01 -WIDE_BUS = 0x02 - -ACTIVE_A = 0x58 -ACTIVE_B = 0x59 - -# Poll QINCNT for work - the lower bits contain -# the number of entries in the Queue In FIFO. -# -start: - test FLAGS,TWIN_BUS jz start2 # Are we a twin channel device? -# For fairness, we check the other bus first, since we just finished a -# transaction on the current channel. - xor SBLKCTL,0x08 # Toggle to the other bus - test SCSISIGI,0x4 jnz reselect # BSYI - xor SBLKCTL,0x08 # Toggle to the original bus -start2: - test SCSISIGI,0x4 jnz reselect # BSYI - test QINCNT,SCBMASK jz start - -# We have at least one queued SCB now. Set the SCB pointer -# from the FIFO so we see the right bank of SCB registers, -# then set SCSI options and set the initiator and target -# SCSI IDs. -# - mov SCBPTR,QINFIFO - -# See if there is not already an active SCB for this target. This code -# locks out on a per target basis instead of target/lun. Although this -# is not ideal for devices that have multiple luns active at the same -# time, it is faster than looping through all SCB's looking for active -# commands. It may be benificial to make findscb a more general procedure -# to see if the added cost of the search is negligible. This code also -# assumes that the kernel driver will clear the active flags on board -# initialization, board reset, and a target's SELTO. - - and FUNCTION1,0x70,SCBARRAY+1 - mov A,FUNCTION1 - test SCBARRAY+1,0x88 jz test_a # Id < 8 && A channel - - test ACTIVE_B,A jnz requeue - or ACTIVE_B,A # Mark the current target as busy - jmp start_scb - -# Place the currently active back on the queue for later processing -requeue: - mov QINFIFO, SCBPTR - jmp start - -test_a: - test ACTIVE_A,A jnz requeue - or ACTIVE_A,A # Mark the current target as busy - -start_scb: - and A,0x08,SCBARRAY+1 - mov SBLKCTL,A # select channel, !wide - mov SCBARRAY+1 call initialize - clr SG_NOLOAD - clr RESELECT - -# As soon as we get a successful selection, the target should go -# into the message out phase since we have ATN asserted. Prepare -# the message to send, locking out the device driver. If the device -# driver hasn't beaten us with an ABORT or RESET message, then tack -# on an SDTR negotiation if required. -# -# Messages are stored in scratch RAM starting with a flag byte (high bit -# set means active message), one length byte, and then the message itself. -# - mov SCBARRAY+1 call disconnect # disconnect ok? - - and SINDEX,0x7,SCBARRAY+1 # lun - or SINDEX,A # return value from disconnect - or SINDEX,0x80 call mk_mesg # IDENTIFY message - - mov A,SINDEX - cmp MSG_START+0,A jne !message # did driver beat us? - mvi MSG_START+1 call mk_sdtr # build SDTR message if needed - -!message: - -# Enable selection phase as an initiator, and do automatic ATN -# after the selection. -# - mvi SCSISEQ,0x48 # ENSELO|ENAUTOATNO - -# Wait for successful arbitration. The AIC-7770 documentation says -# that SELINGO indicates successful arbitration, and that it should -# be used to look for SELDO. However, if the sequencer is paused at -# just the right time - a parallel fsck(8) on two drives did it for -# me - then SELINGO can flip back to false before we've seen it. This -# makes the sequencer sit in the arbitration loop forever. This is -# Not Good. -# -# Therefore, I've added a check in the arbitration loop for SELDO -# too. This could arguably be made a critical section by disabling -# pauses, but I don't want to make a potentially infinite loop a CS. -# I suppose you could fold it into the select loop, too, but since -# I've been hunting this bug for four days it's kinda like a trophy. -# -arbitrate: - test SSTAT0,0x40 jnz *select # SELDO - test SSTAT0,0x10 jz arbitrate # SELINGO - -# Wait for a successful selection. If the hardware selection -# timer goes off, then the driver gets the interrupt, so we don't -# need to worry about it. -# -select: - test SSTAT0,0x40 jz select # SELDO - jmp *select - -# Reselection is being initiated by a target - we've seen the BSY -# line driven active, and we didn't do it! Enable the reselection -# hardware, and wait for it to finish. Make a note that we've been -# reselected, but haven't seen an IDENTIFY message from the target -# yet. -# -reselect: - mvi SCSISEQ,0x10 # ENRSELI - -reselect1: - test SSTAT0,0x20 jz reselect1 # SELDI - mov SELID call initialize - - mvi RESELECT,0x80 # reselected, no IDENTIFY - -# After the [re]selection, make sure that the [re]selection enable -# bit is off. This chip is flaky enough without extra things -# turned on. Also clear the BUSFREE bit in SSTAT1 since we'll be -# using it shortly. -# -*select: - clr SCSISEQ - mvi CLRSINT1,0x8 # CLRBUSFREE - -# Main loop for information transfer phases. If BSY is false, then -# we have a bus free condition, expected or not. Otherwise, wait -# for the target to assert REQ before checking MSG, C/D and I/O -# for the bus phase. -# -# We can't simply look at the values of SCSISIGI here (if we want -# to do synchronous data transfer), because the target won't assert -# REQ if it's already sent us some data that we haven't acknowledged -# yet. -# -ITloop: - test SSTAT1,0x8 jnz p_busfree # BUSFREE - test SSTAT1,0x1 jz ITloop # REQINIT - - and A,0xe0,SCSISIGI # CDI|IOI|MSGI - - cmp ALLZEROS,A je p_dataout - cmp A,0x40 je p_datain - cmp A,0x80 je p_command - cmp A,0xc0 je p_status - cmp A,0xa0 je p_mesgout - cmp A,0xe0 je p_mesgin - - mvi INTSTAT,SIGNAL_0 # unknown - signal driver - -p_dataout: - mvi 0 call scsisig # !CDO|!IOO|!MSGO - call assert - call sg_load - - mvi A,3 - mvi DINDEX,HCNT - mvi SCBARRAY+23 call bcopy - - mvi A,3 - mvi DINDEX,STCNT - mvi SCBARRAY+23 call bcopy - - mvi A,4 - mvi DINDEX,HADDR - mvi SCBARRAY+19 call bcopy - - mvi 0x3d call dma # SCSIEN|SDMAEN|HDMAEN| - # DIRECTION|FIFORESET - -# After a DMA finishes, save the final transfer pointer and count -# back into the SCB, in case a device disconnects in the middle of -# a transfer. Use SHADDR and STCNT instead of HADDR and HCNT, since -# it's a reflection of how many bytes were transferred on the SCSI -# (as opposed to the host) bus. -# - mvi A,3 - mvi DINDEX,SCBARRAY+23 - mvi STCNT call bcopy - - mvi A,4 - mvi DINDEX,SCBARRAY+19 - mvi SHADDR call bcopy - - call sg_advance - mov SCBARRAY+18,SG_COUNT # residual S/G count - - jmp ITloop - -p_datain: - mvi 0x40 call scsisig # !CDO|IOO|!MSGO - call assert - call sg_load - - mvi A,3 - mvi DINDEX,HCNT - mvi SCBARRAY+23 call bcopy - - mvi A,3 - mvi DINDEX,STCNT - mvi SCBARRAY+23 call bcopy - - mvi A,4 - mvi DINDEX,HADDR - mvi SCBARRAY+19 call bcopy - - mvi 0x39 call dma # SCSIEN|SDMAEN|HDMAEN| - # !DIRECTION|FIFORESET - mvi A,3 - mvi DINDEX,SCBARRAY+23 - mvi STCNT call bcopy - - mvi A,4 - mvi DINDEX,SCBARRAY+19 - mvi SHADDR call bcopy - - call sg_advance - mov SCBARRAY+18,SG_COUNT # residual S/G count - - jmp ITloop - -# Command phase. Set up the DMA registers and let 'er rip - the -# two bytes after the SCB SCSI_cmd_length are zeroed by the driver, -# so we can copy those three bytes directly into HCNT. -# -p_command: - mvi 0x80 call scsisig # CDO|!IOO|!MSGO - call assert - - mvi A,3 - mvi DINDEX,HCNT - mvi SCBARRAY+11 call bcopy - - mvi A,3 - mvi DINDEX,STCNT - mvi SCBARRAY+11 call bcopy - - mvi A,4 - mvi DINDEX,HADDR - mvi SCBARRAY+7 call bcopy - - mvi 0x3d call dma # SCSIEN|SDMAEN|HDMAEN| - # DIRECTION|FIFORESET - jmp ITloop - -# Status phase. Wait for the data byte to appear, then read it -# and store it into the SCB. -# -p_status: - mvi 0xc0 call scsisig # CDO|IOO|!MSGO - - mvi SCBARRAY+14 call inb - jmp ITloop - -# Message out phase. If there is no active message, but the target -# took us into this phase anyway, build a no-op message and send it. -# -p_mesgout: - mvi 0xa0 call scsisig # CDO|!IOO|MSGO - mvi 0x8 call mk_mesg # build NOP message - -# Set up automatic PIO transfer from MSG_START. Bit 3 in -# SXFRCTL0 (SPIOEN) is already on. -# - mvi SINDEX,MSG_START+0 - mov DINDEX,MSG_LEN - clr A - -# When target asks for a byte, drop ATN if it's the last one in -# the message. Otherwise, keep going until the message is exhausted. -# (We can't use outb for this since it wants the input in SINDEX.) -# -# Keep an eye out for a phase change, in case the target issues -# a MESSAGE REJECT. -# -p_mesgout2: - test SSTAT0,0x2 jz p_mesgout2 # SPIORDY - test SSTAT1,0x10 jnz p_mesgout6 # PHASEMIS - - cmp DINDEX,1 jne p_mesgout3 # last byte? - mvi CLRSINT1,0x40 # CLRATNO - drop ATN - -# Write a byte to the SCSI bus. The AIC-7770 refuses to automatically -# send ACKs in automatic PIO or DMA mode unless you make sure that the -# "expected" bus phase in SCSISIGO matches the actual bus phase. This -# behaviour is completely undocumented and caused me several days of -# grief. -# -# After plugging in different drives to test with and using a longer -# SCSI cable, I found that I/O in Automatic PIO mode ceased to function, -# especially when transferring >1 byte. It seems to be much more stable -# if STCNT is set to one before the transfer, and SDONE (in SSTAT0) is -# polled for transfer completion - for both output _and_ input. The -# only theory I have is that SPIORDY doesn't drop right away when SCSIDATL -# is accessed (like the documentation says it does), and that on a longer -# cable run, the sequencer code was fast enough to loop back and see -# an SPIORDY that hadn't dropped yet. -# -p_mesgout3: - call one_stcnt - mov SCSIDATL,SINDIR - -p_mesgout4: - test SSTAT0,0x4 jz p_mesgout4 # SDONE - dec DINDEX - inc A - cmp MSG_LEN,A jne p_mesgout2 - -# If the next bus phase after ATN drops is a message out, it means -# that the target is requesting that the last message(s) be resent. -# -p_mesgout5: - test SSTAT1,0x8 jnz p_mesgout6 # BUSFREE - test SSTAT1,0x1 jz p_mesgout5 # REQINIT - - and A,0xe0,SCSISIGI # CDI|IOI|MSGI - cmp A,0xa0 jne p_mesgout6 - mvi 0x10 call scsisig # ATNO - re-assert ATN - - jmp ITloop - -p_mesgout6: - mvi CLRSINT1,0x40 # CLRATNO - in case of PHASEMIS - clr MSG_FLAGS # no active msg - jmp ITloop - -# Message in phase. Bytes are read using Automatic PIO mode, but not -# using inb. This alleviates a race condition, namely that if ATN had -# to be asserted under Automatic PIO mode, it had to beat the SCSI -# circuitry sending an ACK to the target. This showed up under heavy -# loads and really confused things, since ABORT commands wouldn't be -# seen by the drive after an IDENTIFY message in until it had changed -# to a data I/O phase. -# -p_mesgin: - mvi 0xe0 call scsisig # CDO|IOO|MSGO - mvi A call inb_first # read the 1st message byte - mvi REJBYTE,A # save it for the driver - - cmp ALLZEROS,A jne p_mesgin1 - -# We got a "command complete" message, so put the SCB pointer -# into the Queue Out, and trigger a completion interrupt. -# Check status for non zero return and interrupt driver if needed -# This allows the driver to interpret errors only when they occur -# instead of always uploading the scb. If the status is SCSI_CHECK, -# the driver will download a new scb requesting sense, to replace -# the old one and the sequencer code will imediately jump to start -# working on it. If the kernel driver does not wish to request sense, -# the sequencer program counter is incremented by 1, preventing another run -# on the current SCB and the command is allowed to complete. We don't -# bother to post to the QOUTFIFO in the error case since it would require -# extra work in the kernel driver to ensure that the entry was removed -# before the command complete code tried processing it. - - test SCBARRAY+14,0xff jz status_ok # 0 Status? - call inb_last # ack & turn auto PIO back on - mvi INTSTAT,STATUS_ERROR # let driver know - jmp start_scb - -status_ok: - -# First, mark this target as free. - and FUNCTION1,0x70,SCBARRAY+1 - mov A,FUNCTION1 - test SCBARRAY+1,0x88 jz clear_a - xor ACTIVE_B,A - jmp complete - -clear_a: - xor ACTIVE_A,A - -complete: - mov QOUTFIFO,SCBPTR - mvi INTSTAT,0x02 # CMDCMPLT - jmp p_mesgin_done - -# Is it an extended message? We only support the synchronous data -# transfer request message, which will probably be in response to -# an SDTR message out from us. If it's not an SDTR, reject it - -# apparently this can be done after any message in byte, according -# to the SCSI-2 spec. -# -# XXX - we should really reject this if we didn't initiate the SDTR -# negotiation; this may cause problems with unusual devices. -# -p_mesgin1: - cmp A,1 jne p_mesgin2 # extended message code? - - mvi A call inb_next - cmp A,3 jne p_mesginN # extended mesg length = 3 - mvi A call inb_next - cmp A,1 jne p_mesginN # SDTR code - - mvi ARG_1 call inb_next # xfer period - mvi A call inb_next # REQ/ACK offset - mvi INTSTAT,SIGNAL_4 # call driver to convert - - call ndx_sdtr # index sync config for target - mov DINDEX,SINDEX - not A # turn off "need sdtr" flag - test SBLKCTL,0x08 jnz p_mesgin1_b - test SCSIID,0x80 jnz p_mesgin1_b - and NEEDSDTR_A,A - jmp p_mesgin1_save - -p_mesgin1_b: - and NEEDSDTR_B,A - -p_mesgin1_save: - and A,0x80,SINDIR # get the WIDEXFER flag - or RETURN_1,A # Set WIDEXFER if necessary - mov DINDIR,RETURN_1 # save returned value - -# Even though the SCSI-2 specification says that a device responding -# to our SDTR message should honor our parameters for transmitting -# to us, it doesn't seem to work too well in real life. In particular, -# a lot of CD-ROM and tape units don't function: try using the SDTR -# parameters the device sent us for both transmitting and receiving. -# - mov SCSIRATE,RETURN_1 - jmp p_mesgin_done - -# Is it a disconnect message? Set a flag in the SCB to remind us -# and await the bus going free. -# -p_mesgin2: - cmp A,4 jne p_mesgin3 # disconnect code? - - or SCBARRAY+0,0x4 # set "disconnected" bit - jmp p_mesgin_done - -# Save data pointers message? Copy working values into the SCB, -# usually in preparation for a disconnect. -# -p_mesgin3: - cmp A,2 jne p_mesgin4 # save data pointers code? - - call sg_ram2scb - jmp p_mesgin_done - -# Restore pointers message? Data pointers are recopied from the -# SCB anyway at the start of any DMA operation, so the only thing -# to copy is the scatter-gather values. -# -p_mesgin4: - cmp A,3 jne p_mesgin5 # restore pointers code? - - call sg_scb2ram - jmp p_mesgin_done - -# Identify message? For a reconnecting target, this tells us the lun -# that the reconnection is for - find the correct SCB and switch to it, -# clearing the "disconnected" bit so we don't "find" it by accident later. -# -p_mesgin5: - test A,0x80 jz p_mesgin6 # identify message? - - test A,0x78 jnz p_mesginN # !DiscPriv|!LUNTAR|!Reserved - - mov A call findSCB # switch to correct SCB - -# If a active message is present after calling findSCB, then either it -# or the driver is trying to abort the command. Either way, something -# untoward has happened and we should just leave it alone. -# - test MSG_FLAGS,0x80 jnz p_mesgin_done - - and SCBARRAY+0,0xfb # clear disconnect bit in SCB - mvi RESELECT,0xc0 # make note of IDENTIFY - - call sg_scb2ram # implied restore pointers - # required on reselect - jmp p_mesgin_done - -# Message reject? If we have an outstanding SDTR negotiation, assume -# that it's a response from the target selecting asynchronous transfer, -# otherwise just ignore it since we have no clue what it pertains to. -# -# XXX - I don't have a device that responds this way. Does this code -# actually work? -# -p_mesgin6: - cmp A,7 jne p_mesgin7 # message reject code? - - and FUNCTION1,0x70,SCSIID # outstanding SDTR message? - mov A,FUNCTION1 - - test SBLKCTL,0x08 jnz p_mesgin6_b - test SCSIID,0x80 jnz p_mesgin6_b - test NEEDSDTR_A,A jz p_mesgin_done # no - ignore rejection - call ndx_sdtr # note use of asynch xfer - mov DINDEX,SINDEX - clr DINDIR - - not A - and NEEDSDTR_A,A - jmp p_mesgin6_done - -p_mesgin6_b: - test NEEDSDTR_B,A jz p_mesgin_done # no - ignore rejection - call ndx_sdtr # note use of asynch xfer - mov DINDEX,SINDEX - clr DINDIR - - not A - and NEEDSDTR_B,A - -p_mesgin6_done: - - clr SCSIRATE # select asynch xfer - jmp p_mesgin_done - -# [ ADD MORE MESSAGE HANDLING HERE ] -# -p_mesgin7: - -# We have no idea what this message in is, and there's no way -# to pass it up to the kernel, so we issue a message reject and -# hope for the best. Since we're now using manual PIO mode to -# read in the message, there should no longer be a race condition -# present when we assert ATN. In any case, rejection should be a -# rare occurrence - signal the driver when it happens. -# -p_mesginN: - or SINDEX,0x10,SIGSTATE # turn on ATNO - call scsisig - mvi INTSTAT,SIGNAL_1 # let driver know - - mvi 0x7 call mk_mesg # MESSAGE REJECT message - -p_mesgin_done: - call inb_last # ack & turn auto PIO back on - jmp ITloop - -# Bus free phase. It might be useful to interrupt the device -# driver if we aren't expecting this. For now, make sure that -# ATN isn't being asserted and look for a new command. -# -p_busfree: - mvi CLRSINT1,0x40 # CLRATNO - clr SIGSTATE - jmp start - -# Bcopy: number of bytes to transfer should be in A, DINDEX should -# contain the destination address, and SINDEX should contain the -# source address. All input parameters are trashed on return. -# -bcopy: - mov DINDIR,SINDIR - dec A - cmp ALLZEROS,A jne bcopy - ret - -# Locking the driver out, build a one-byte message passed in SINDEX -# if there is no active message already. SINDEX is returned intact. -# -mk_mesg: - mvi SEQCTL,0x50 # PAUSEDIS|FASTMODE - test MSG_FLAGS,0x80 jnz mk_mesg1 # active message? - - mvi MSG_FLAGS,0x80 # if not, there is now - mvi MSG_LEN,1 # length = 1 - mov MSG_START+0,SINDEX # 1-byte message - -mk_mesg1: - mvi SEQCTL,0x10 # !PAUSEDIS|FASTMODE - ret - -# Input byte in Automatic PIO mode. The address to store the byte -# in should be in SINDEX. DINDEX will be used by this routine. -# -inb: - test SSTAT0,0x2 jz inb # SPIORDY - mov DINDEX,SINDEX - call one_stcnt # xfer one byte - mov DINDIR,SCSIDATL -inb1: - test SSTAT0,0x4 jz inb1 # SDONE - wait to "finish" - ret - -# Carefully read data in Automatic PIO mode. I first tried this using -# Manual PIO mode, but it gave me continual underrun errors, probably -# indicating that I did something wrong, but I feel more secure leaving -# Automatic PIO on all the time. -# -# According to Adaptec's documentation, an ACK is not sent on input from -# the target until SCSIDATL is read from. So we wait until SCSIDATL is -# latched (the usual way), then read the data byte directly off the bus -# using SCSIBUSL. When we have pulled the ATN line, or we just want to -# acknowledge the byte, then we do a dummy read from SCISDATL. The SCSI -# spec guarantees that the target will hold the data byte on the bus until -# we send our ACK. -# -# The assumption here is that these are called in a particular sequence, -# and that REQ is already set when inb_first is called. inb_{first,next} -# use the same calling convention as inb. -# -inb_first: - mov DINDEX,SINDEX - mov DINDIR,SCSIBUSL ret # read byte directly from bus - -inb_next: - mov DINDEX,SINDEX # save SINDEX - - call one_stcnt # xfer one byte - mov NONE,SCSIDATL # dummy read from latch to ACK -inb_next1: - test SSTAT0,0x4 jz inb_next1 # SDONE -inb_next2: - test SSTAT0,0x2 jz inb_next2 # SPIORDY - wait for next byte - mov DINDIR,SCSIBUSL ret # read byte directly from bus - -inb_last: - call one_stcnt # ACK with dummy read - mov NONE,SCSIDATL -inb_last1: - test SSTAT0,0x4 jz inb_last1 # wait for completion - ret - -# Output byte in Automatic PIO mode. The byte to output should be -# in SINDEX. If DROPATN's high bit is set, then ATN will be dropped -# before the byte is output. -# -outb: - test SSTAT0,0x2 jz outb # SPIORDY - call one_stcnt # xfer one byte - - test DROPATN,0x80 jz outb1 - mvi CLRSINT1,0x40 # CLRATNO - clr DROPATN -outb1: - mov SCSIDATL,SINDEX -outb2: - test SSTAT0,0x4 jz outb2 # SDONE - ret - -# Write the value "1" into the STCNT registers, for Automatic PIO -# transfers. -# -one_stcnt: - clr STCNT+2 - clr STCNT+1 - mvi STCNT+0,1 ret - -# DMA data transfer. HADDR and HCNT must be loaded first, and -# SINDEX should contain the value to load DFCNTRL with - 0x3d for -# host->scsi, or 0x39 for scsi->host. The SCSI channel is cleared -# during initialization. -# -dma: - mov DFCNTRL,SINDEX -dma1: -dma2: - test SSTAT0,0x1 jnz dma3 # DMADONE - test SSTAT1,0x10 jz dma1 # PHASEMIS, ie. underrun - -# We will be "done" DMAing when the transfer count goes to zero, or -# the target changes the phase (in light of this, it makes sense that -# the DMA circuitry doesn't ACK when PHASEMIS is active). If we are -# doing a SCSI->Host transfer, the data FIFO should be flushed auto- -# magically on STCNT=0 or a phase change, so just wait for FIFO empty -# status. -# -dma3: - test SINDEX,0x4 jnz dma5 # DIRECTION -dma4: - test DFSTATUS,0x1 jz dma4 # FIFOEMP - -# Now shut the DMA enables off, and copy STCNT (ie. the underrun -# amount, if any) to the SCB registers; SG_COUNT will get copied to -# the SCB's residual S/G count field after sg_advance is called. Make -# sure that the DMA enables are actually off first lest we get an ILLSADDR. -# -dma5: - clr DFCNTRL # disable DMA -dma6: - test DFCNTRL,0x38 jnz dma6 # SCSIENACK|SDMAENACK|HDMAENACK - - mvi A,3 - mvi DINDEX,SCBARRAY+15 - mvi STCNT call bcopy - - ret - -# Common SCSI initialization for selection and reselection. Expects -# the target SCSI ID to be in the upper four bits of SINDEX, and A's -# contents are stomped on return. -# -initialize: - and SCSIID,0xf0,SINDEX # target ID - test SBLKCTL,0x08 jnz initialize_b - mvi SINDEX,SCSICONF_A - test FLAGS,WIDE_BUS jnz initialize_wide - and A,0x7,SCSICONF_A # SCSI_ID_A[210] - jmp initialize_2 -initialize_b: - and A,0x7,SCSICONF_B # SCSI_ID_B[210] - mvi SCSICONF_B jmp initialize_2 - -initialize_wide: - and A, 0xf,SCSICONF_B - -initialize_2: - or SCSIID,A - -# Esundry initialization. -# - clr DROPATN - clr SIGSTATE - -# Turn on Automatic PIO mode now, before we expect to see an REQ -# from the target. It shouldn't hurt anything to leave it on. Set -# CLRCHN here before the target has entered a data transfer mode - -# with synchronous SCSI, if you do it later, you blow away some -# data in the SCSI FIFO that the target has already sent to you. -# -# DFON is a 7870 bit enabling digital filtering of REQ and ACK signals. -# - mvi SXFRCTL0,0x8a # DFON|SPIOEN|CLRCHN - -# Set SCSI bus parity checking and the selection timeout value, -# and enable the hardware selection timer. Set the SELTO interrupt -# to signal the driver. -# -# STPWEN is 7870-specific, enabling an external termination power source. -# - and A,0x38,SINDIR # PARITY_ENB|SEL_TIM[10] - or SXFRCTL1,0x7,A # ENSTIMER|ACTNEGEN|STPWEN - mvi SIMODE1,0x84 # ENSELTIMO|ENSCSIPERR - -# Initialize scatter-gather pointers by setting up the working copy -# in scratch RAM. -# - call sg_scb2ram - -# Initialize SCSIRATE with the appropriate value for this target. -# - call ndx_sdtr - mov SCSIRATE,SINDIR - ret - -# Assert that if we've been reselected, then we've seen an IDENTIFY -# message. -# -assert: - test RESELECT,0x80 jz assert1 # reselected? - test RESELECT,0x40 jnz assert1 # seen IDENTIFY? - - mvi INTSTAT,SIGNAL_2 # no - cause a kernel panic - -assert1: - ret - -# Find out if disconnection is ok from the information the BIOS has left -# us. The tcl from SCBARRAY+1 should be in SINDEX; A will -# contain either 0x40 (disconnection ok) or 0x00 (disconnection not ok) -# on exit. -# -# To allow for wide or twin busses, we check the upper bit of the target ID -# and the channel ID and look at the appropriate disconnect register. -# -disconnect: - and FUNCTION1,0x70,SINDEX # strip off extra just in case - mov A,FUNCTION1 - test SINDEX, 0x88 jz disconnect_a - - test DISC_DSB_B,A jz disconnect1 # bit nonzero if DISabled - clr A ret - -disconnect_a: - test DISC_DSB_A,A jz disconnect1 # bit nonzero if DISabled - clr A ret - -disconnect1: - mvi A,0x40 ret - -# Locate the SCB matching the target ID in SELID and the lun in the lower -# three bits of SINDEX, and switch the SCB to it. Have the kernel print -# a warning message if it can't be found, and generate an ABORT message -# to the target. We keep the value of the t/c/l that we are trying to find -# in DINDEX so it is not overwritten during our check to see if we are -# at the last SCB. -# -findSCB: - and A,0x7,SINDEX # lun in lower three bits - or DINDEX,A,SELID - and DINDEX,0xf7 - and A,0x08,SBLKCTL # B Channel?? - or DINDEX,A - clr SINDEX - -findSCB1: - mov A,DINDEX - mov SCBPTR,SINDEX # switch to new SCB - cmp SCBARRAY+1,A jne findSCB2 # target ID/channel/lun match? - test SCBARRAY+0,0x4 jz findSCB2 # should be disconnected - ret - -findSCB2: - inc SINDEX - mov A,SCBCOUNT - cmp SINDEX,A jne findSCB1 - - mvi INTSTAT,SIGNAL_3 # not found - signal kernel - mvi 0x6 call mk_mesg # ABORT message - - or SINDEX,0x10,SIGSTATE # assert ATNO - call scsisig - ret - -# Make a working copy of the scatter-gather parameters in the SCB. -# -sg_scb2ram: - mov SG_COUNT,SCBARRAY+2 - - mvi A,4 - mvi DINDEX,SG_NEXT - mvi SCBARRAY+3 call bcopy - - mvi SG_NOLOAD,0x80 - test SCBARRAY+0,0x10 jnz sg_scb2ram1 # don't reload s/g? - clr SG_NOLOAD - -sg_scb2ram1: - ret - -# Copying RAM values back to SCB, for Save Data Pointers message. -# -sg_ram2scb: - mov SCBARRAY+2,SG_COUNT - - mvi A,4 - mvi DINDEX,SCBARRAY+3 - mvi SG_NEXT call bcopy - - and SCBARRAY+0,0xef,SCBARRAY+0 - test SG_NOLOAD,0x80 jz sg_ram2scb1 # reload s/g? - or SCBARRAY+0,0x10 - -sg_ram2scb1: - ret - -# Load a struct scatter if needed and set up the data address and -# length. If the working value of the SG count is nonzero, then -# we need to load a new set of values. -# -# This, like the above DMA, assumes a little-endian host data storage. -# -sg_load: - test SG_COUNT,0xff jz sg_load3 # SG being used? - test SG_NOLOAD,0x80 jnz sg_load3 # don't reload s/g? - - clr HCNT+2 - clr HCNT+1 - mvi HCNT+0,SG_SIZEOF - - mvi A,4 - mvi DINDEX,HADDR - mvi SG_NEXT call bcopy - - mvi DFCNTRL,0xd # HDMAEN|DIRECTION|FIFORESET - -# Wait for DMA from host memory to data FIFO to complete, then disable -# DMA and wait for it to acknowledge that it's off. -# -sg_load1: - test DFSTATUS,0x8 jz sg_load1 # HDONE - - clr DFCNTRL # disable DMA -sg_load2: - test DFCNTRL,0x8 jnz sg_load2 # HDMAENACK - -# Copy data from FIFO into SCB data pointer and data count. This assumes -# that the struct scatterlist has this structure (this and sizeof(struct -# scatterlist) == 12 are asserted in aic7xxx.c): -# -# struct scatterlist { -# char *address; /* four bytes, little-endian order */ -# ... /* four bytes, ignored */ -# unsigned short length; /* two bytes, little-endian order */ -# } -# - -# Not in FreeBSD. the scatter list is only 8 bytes. -# -# struct ahc_dma_seg { -# physaddr addr; /* four bytes, little-endian order */ -# long len; /* four bytes, little endian order */ -# }; -# - - mov SCBARRAY+19,DFDAT # new data address - mov SCBARRAY+20,DFDAT - mov SCBARRAY+21,DFDAT - mov SCBARRAY+22,DFDAT - - mov SCBARRAY+23,DFDAT - mov SCBARRAY+24,DFDAT - mov SCBARRAY+25,DFDAT - mov NONE,DFDAT #Only support 24 bit length. - -sg_load3: - ret - -# Advance the scatter-gather pointers only IF NEEDED. If SG is enabled, -# and the SCSI transfer count is zero (note that this should be called -# right after a DMA finishes), then move the working copies of the SG -# pointer/length along. If the SCSI transfer count is not zero, then -# presumably the target is disconnecting - do not reload the SG values -# next time. -# -sg_advance: - test SG_COUNT,0xff jz sg_advance2 # s/g enabled? - - test STCNT+0,0xff jnz sg_advance1 # SCSI transfer count nonzero? - test STCNT+1,0xff jnz sg_advance1 - test STCNT+2,0xff jnz sg_advance1 - - clr SG_NOLOAD # reload s/g next time - dec SG_COUNT # one less segment to go - - clr A # add sizeof(struct scatter) - add SG_NEXT+0,SG_SIZEOF,SG_NEXT+0 - adc SG_NEXT+1,A,SG_NEXT+1 - adc SG_NEXT+2,A,SG_NEXT+2 - adc SG_NEXT+3,A,SG_NEXT+3 - - ret - -sg_advance1: - mvi SG_NOLOAD,0x80 # don't reload s/g next time -sg_advance2: - ret - -# Add the array base SYNCNEG to the target offset (the target address -# is in SCSIID), and return the result in SINDEX. The accumulator -# contains the 3->8 decoding of the target ID on return. -# -ndx_sdtr: - shr A,SCSIID,4 - test SBLKCTL,0x08 jz ndx_sdtr_2 - or A,0x08 # Channel B entries add 8 -ndx_sdtr_2: - add SINDEX,SYNCNEG,A - - and FUNCTION1,0x70,SCSIID # 3-bit target address decode - mov A,FUNCTION1 ret - -# If we need to negotiate transfer parameters, build the SDTR message -# starting at the address passed in SINDEX. DINDEX is modified on return. -# -mk_sdtr: - mov DINDEX,SINDEX # save SINDEX - - call ndx_sdtr - test SCBARRAY+1,0x88 jz mk_sdtr1_a - test NEEDSDTR_B,A jnz mk_sdtr1 # do we need negotiation? - ret -mk_sdtr1_a: - test NEEDSDTR_A,A jnz mk_sdtr1 # do we need negotiation? - ret - -mk_sdtr1: - mvi DINDIR,1 # extended message - mvi DINDIR,3 # extended message length = 3 - mvi DINDIR,1 # SDTR code - mvi DINDIR,25 # REQ/ACK transfer period - mvi DINDIR,15 # REQ/ACK offset - - add MSG_LEN,-MSG_START+0,DINDEX # update message length - ret - -# Set SCSI bus control signal state. This also saves the last-written -# value into a location where the higher-level driver can read it - if -# it has to send an ABORT or RESET message, then it needs to know this -# so it can assert ATN without upsetting SCSISIGO. The new value is -# expected in SINDEX. Change the actual state last to avoid contention -# from the driver. -# -scsisig: - mov SIGSTATE,SINDEX - mov SCSISIGO,SINDEX ret diff --git a/sys/gnu/misc/aic7770/aic7770_seq.h b/sys/gnu/misc/aic7770/aic7770_seq.h deleted file mode 100644 index 24fa91b65fa6..000000000000 --- a/sys/gnu/misc/aic7770/aic7770_seq.h +++ /dev/null @@ -1,351 +0,0 @@ -#define AIC7XXX_SEQ_VERSION "1.31" - 0x04, 0x03, 0x18, 0x1a, - 0x1f, 0x9c, 0x00, 0x1e, - 0xff, 0x9b, 0x90, 0x02, - 0x70, 0xa1, 0x6e, 0x02, - 0xff, 0x6e, 0x64, 0x02, - 0x00, 0x57, 0x08, 0x1e, - 0xff, 0x90, 0x9b, 0x02, - 0x00, 0x65, 0x00, 0x10, - 0x00, 0x57, 0x57, 0x00, - 0x00, 0xa1, 0xf1, 0x16, - 0xff, 0x6a, 0x50, 0x02, - 0xff, 0x6a, 0x34, 0x02, - 0x00, 0xa1, 0x03, 0x17, - 0x07, 0xa1, 0x65, 0x02, - 0x00, 0x65, 0x65, 0x00, - 0x80, 0x65, 0xc2, 0x16, - 0xff, 0x65, 0x64, 0x02, - 0x00, 0x37, 0x13, 0x18, - 0x38, 0x6a, 0x51, 0x17, - 0x48, 0x6a, 0x00, 0x00, - 0x40, 0x0b, 0x1c, 0x1a, - 0x10, 0x0b, 0x14, 0x1e, - 0x40, 0x0b, 0x16, 0x1e, - 0x00, 0x65, 0x1c, 0x10, - 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