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Diffstat (limited to 'usr.sbin/config/config.y')
| -rw-r--r-- | usr.sbin/config/config.y | 1109 |
1 files changed, 1109 insertions, 0 deletions
diff --git a/usr.sbin/config/config.y b/usr.sbin/config/config.y new file mode 100644 index 0000000..6784d9e --- /dev/null +++ b/usr.sbin/config/config.y @@ -0,0 +1,1109 @@ +%union { + char *str; + int val; + struct file_list *file; + struct idlst *lst; +} + +%token AND +%token ANY +%token ARGS +%token AT +%token BIO +%token COMMA +%token CONFIG +%token CONTROLLER +%token CPU +%token CSR +%token DEVICE +%token DISK +%token DRIVE +%token DRQ +%token DST +%token DUMPS +%token EQUALS +%token FLAGS +%token HZ +%token IDENT +%token INTERLEAVE +%token IOMEM +%token IOSIZ +%token IRQ +%token MACHINE +%token MAJOR +%token MASTER +%token MAXUSERS +%token MINOR +%token MINUS +%token NET +%token NEXUS +%token ON +%token OPTIONS +%token MAKEOPTIONS +%token PORT +%token PRIORITY +%token PSEUDO_DEVICE +%token ROOT +%token SEMICOLON +%token SEQUENTIAL +%token SIZE +%token SLAVE +%token SWAP +%token TIMEZONE +%token TTY +%token TRACE +%token VECTOR + +%token <str> ID +%token <val> NUMBER +%token <val> FPNUMBER + +%type <str> Save_id +%type <str> Opt_value +%type <str> Dev +%type <lst> Id_list +%type <val> optional_size +%type <val> optional_sflag +%type <str> device_name +%type <val> major_minor +%type <val> arg_device_spec +%type <val> root_device_spec +%type <val> dump_device_spec +%type <file> swap_device_spec +%type <file> comp_device_spec + +%{ + +/* + * Copyright (c) 1988, 1993 + * The Regents of the University of California. 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 the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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. + * + * @(#)config.y 8.1 (Berkeley) 6/6/93 + */ + +#include "config.h" +#include <ctype.h> +#include <stdio.h> + +struct device cur; +struct device *curp = 0; +char *temp_id; +char *val_id; + +%} +%% +Configuration: + Many_specs + = { verifysystemspecs(); } + ; + +Many_specs: + Many_specs Spec + | + /* lambda */ + ; + +Spec: + Device_spec SEMICOLON + = { newdev(&cur); } | + Config_spec SEMICOLON + | + TRACE SEMICOLON + = { do_trace = !do_trace; } | + SEMICOLON + | + error SEMICOLON + ; + +Config_spec: + MACHINE Save_id + = { + if (!strcmp($2, "vax")) { + machine = MACHINE_VAX; + machinename = "vax"; + } else if (!strcmp($2, "tahoe")) { + machine = MACHINE_TAHOE; + machinename = "tahoe"; + } else if (!strcmp($2, "hp300")) { + machine = MACHINE_HP300; + machinename = "hp300"; + } else if (!strcmp($2, "i386")) { + machine = MACHINE_I386; + machinename = "i386"; + } else if (!strcmp($2, "mips")) { + machine = MACHINE_MIPS; + machinename = "mips"; + } else if (!strcmp($2, "pmax")) { + machine = MACHINE_PMAX; + machinename = "pmax"; + } else if (!strcmp($2, "luna68k")) { + machine = MACHINE_LUNA68K; + machinename = "luna68k"; + } else if (!strcmp($2, "news3400")) { + machine = MACHINE_NEWS3400; + machinename = "news3400"; + } else + yyerror("Unknown machine type"); + } | + CPU Save_id + = { + struct cputype *cp = + (struct cputype *)malloc(sizeof (struct cputype)); + cp->cpu_name = ns($2); + cp->cpu_next = cputype; + cputype = cp; + free(temp_id); + } | + OPTIONS Opt_list + | + MAKEOPTIONS Mkopt_list + | + IDENT ID + = { ident = ns($2); } | + System_spec + | + HZ NUMBER + = { hz = $2; }| + TIMEZONE NUMBER + = { zone = 60 * $2; check_tz(); } | + TIMEZONE NUMBER DST NUMBER + = { zone = 60 * $2; dst = $4; check_tz(); } | + TIMEZONE NUMBER DST + = { zone = 60 * $2; dst = 1; check_tz(); } | + TIMEZONE FPNUMBER + = { zone = $2; check_tz(); } | + TIMEZONE FPNUMBER DST NUMBER + = { zone = $2; dst = $4; check_tz(); } | + TIMEZONE FPNUMBER DST + = { zone = $2; dst = 1; check_tz(); } | + TIMEZONE MINUS NUMBER + = { zone = -60 * $3; check_tz(); } | + TIMEZONE MINUS NUMBER DST NUMBER + = { zone = -60 * $3; dst = $5; check_tz(); } | + TIMEZONE MINUS NUMBER DST + = { zone = -60 * $3; dst = 1; check_tz(); } | + TIMEZONE MINUS FPNUMBER + = { zone = -$3; check_tz(); } | + TIMEZONE MINUS FPNUMBER DST NUMBER + = { zone = -$3; dst = $5; check_tz(); } | + TIMEZONE MINUS FPNUMBER DST + = { zone = -$3; dst = 1; check_tz(); } | + MAXUSERS NUMBER + = { maxusers = $2; }; + +System_spec: + System_id System_parameter_list + = { checksystemspec(*confp); } + ; + +System_id: + CONFIG Save_id + = { mkconf($2); } + ; + +System_parameter_list: + System_parameter_list System_parameter + | System_parameter + ; + +System_parameter: + swap_spec + | root_spec + | dump_spec + | arg_spec + ; + +swap_spec: + SWAP optional_on swap_device_list + ; + +swap_device_list: + swap_device_list AND swap_device + | swap_device + ; + +swap_device: + swap_device_spec optional_size optional_sflag + = { mkswap(*confp, $1, $2, $3); } + ; + +swap_device_spec: + device_name + = { + struct file_list *fl = newflist(SWAPSPEC); + + if (eq($1, "generic")) + fl->f_fn = $1; + else { + fl->f_swapdev = nametodev($1, 0, 'b'); + fl->f_fn = devtoname(fl->f_swapdev); + } + $$ = fl; + } + | major_minor + = { + struct file_list *fl = newflist(SWAPSPEC); + + fl->f_swapdev = $1; + fl->f_fn = devtoname($1); + $$ = fl; + } + ; + +root_spec: + ROOT optional_on root_device_spec + = { + struct file_list *fl = *confp; + + if (fl && fl->f_rootdev != NODEV) + yyerror("extraneous root device specification"); + else + fl->f_rootdev = $3; + } + ; + +root_device_spec: + device_name + = { $$ = nametodev($1, 0, 'a'); } + | major_minor + ; + +dump_spec: + DUMPS optional_on dump_device_spec + = { + struct file_list *fl = *confp; + + if (fl && fl->f_dumpdev != NODEV) + yyerror("extraneous dump device specification"); + else + fl->f_dumpdev = $3; + } + + ; + +dump_device_spec: + device_name + = { $$ = nametodev($1, 0, 'b'); } + | major_minor + ; + +arg_spec: + ARGS optional_on arg_device_spec + = { yyerror("arg device specification obsolete, ignored"); } + ; + +arg_device_spec: + device_name + = { $$ = nametodev($1, 0, 'b'); } + | major_minor + ; + +major_minor: + MAJOR NUMBER MINOR NUMBER + = { $$ = makedev($2, $4); } + ; + +optional_on: + ON + | /* empty */ + ; + +optional_size: + SIZE NUMBER + = { $$ = $2; } + | /* empty */ + = { $$ = 0; } + ; + +optional_sflag: + SEQUENTIAL + = { $$ = 2; } + | /* empty */ + = { $$ = 0; } + ; + +device_name: + Save_id + = { $$ = $1; } + | Save_id NUMBER + = { + char buf[80]; + + (void) sprintf(buf, "%s%d", $1, $2); + $$ = ns(buf); free($1); + } + | Save_id NUMBER ID + = { + char buf[80]; + + (void) sprintf(buf, "%s%d%s", $1, $2, $3); + $$ = ns(buf); free($1); + } + ; + +Opt_list: + Opt_list COMMA Option + | + Option + ; + +Option: + Save_id + = { + struct opt *op = (struct opt *)malloc(sizeof (struct opt)); + op->op_name = ns($1); + op->op_next = opt; + op->op_value = 0; + opt = op; + free(temp_id); + } | + Save_id EQUALS Opt_value + = { + struct opt *op = (struct opt *)malloc(sizeof (struct opt)); + op->op_name = ns($1); + op->op_next = opt; + op->op_value = ns($3); + opt = op; + free(temp_id); + free(val_id); + } ; + +Opt_value: + ID + = { $$ = val_id = ns($1); } | + NUMBER + = { + char nb[16]; + (void) sprintf(nb, "%d", $1); + $$ = val_id = ns(nb); + } ; + + +Save_id: + ID + = { $$ = temp_id = ns($1); } + ; + +Mkopt_list: + Mkopt_list COMMA Mkoption + | + Mkoption + ; + +Mkoption: + Save_id EQUALS Opt_value + = { + struct opt *op = (struct opt *)malloc(sizeof (struct opt)); + op->op_name = ns($1); + op->op_next = mkopt; + op->op_value = ns($3); + mkopt = op; + free(temp_id); + free(val_id); + } ; + +Dev: + ID + = { $$ = ns($1); } + ; + +Device_spec: + DEVICE Dev_name Dev_info Int_spec + = { cur.d_type = DEVICE; } | + MASTER Dev_name Dev_info Int_spec + = { cur.d_type = MASTER; } | + DISK Dev_name Dev_info Int_spec + = { cur.d_dk = 1; cur.d_type = DEVICE; } | + CONTROLLER Dev_name Dev_info Int_spec + = { cur.d_type = CONTROLLER; } | + PSEUDO_DEVICE Init_dev Dev + = { + cur.d_name = $3; + cur.d_type = PSEUDO_DEVICE; + } | + PSEUDO_DEVICE Init_dev Dev NUMBER + = { + cur.d_name = $3; + cur.d_type = PSEUDO_DEVICE; + cur.d_slave = $4; + } | + PSEUDO_DEVICE Dev_name Cdev_init Cdev_info + = { + if (!eq(cur.d_name, "cd")) + yyerror("improper spec for pseudo-device"); + seen_cd = 1; + cur.d_type = DEVICE; + verifycomp(*compp); + }; + +Cdev_init: + /* lambda */ + = { mkcomp(&cur); }; + +Cdev_info: + optional_on comp_device_list comp_option_list + ; + +comp_device_list: + comp_device_list AND comp_device + | comp_device + ; + +comp_device: + comp_device_spec + = { addcomp(*compp, $1); } + ; + +comp_device_spec: + device_name + = { + struct file_list *fl = newflist(COMPSPEC); + + fl->f_compdev = nametodev($1, 0, 'c'); + fl->f_fn = devtoname(fl->f_compdev); + $$ = fl; + } + | major_minor + = { + struct file_list *fl = newflist(COMPSPEC); + + fl->f_compdev = $1; + fl->f_fn = devtoname($1); + $$ = fl; + } + ; + +comp_option_list: + comp_option_list comp_option + | + /* lambda */ + ; + +comp_option: + INTERLEAVE NUMBER + = { cur.d_pri = $2; } | + FLAGS NUMBER + = { cur.d_flags = $2; }; + +Dev_name: + Init_dev Dev NUMBER + = { + cur.d_name = $2; + if (eq($2, "mba")) + seen_mba = 1; + else if (eq($2, "uba")) + seen_uba = 1; + else if (eq($2, "vba")) + seen_vba = 1; + else if (eq($2, "isa")) + seen_isa = 1; + cur.d_unit = $3; + }; + +Init_dev: + /* lambda */ + = { init_dev(&cur); }; + +Dev_info: + Con_info Info_list + | + /* lambda */ + ; + +Con_info: + AT Dev NUMBER + = { + if (eq(cur.d_name, "mba") || eq(cur.d_name, "uba")) { + (void) sprintf(errbuf, + "%s must be connected to a nexus", cur.d_name); + yyerror(errbuf); + } + cur.d_conn = connect($2, $3); + } | + AT NEXUS NUMBER + = { check_nexus(&cur, $3); cur.d_conn = TO_NEXUS; }; + +Info_list: + Info_list Info + | + /* lambda */ + ; + +Info: + CSR NUMBER + = { cur.d_addr = $2; } | + DRIVE NUMBER + = { cur.d_drive = $2; } | + SLAVE NUMBER + = { + if (cur.d_conn != 0 && cur.d_conn != TO_NEXUS && + cur.d_conn->d_type == MASTER) + cur.d_slave = $2; + else + yyerror("can't specify slave--not to master"); + } | + IRQ NUMBER + = { cur.d_irq = $2; } | + DRQ NUMBER + = { cur.d_drq = $2; } | + IOMEM NUMBER + = { cur.d_maddr = $2; } | + IOSIZ NUMBER + = { cur.d_msize = $2; } | + PORT device_name + = { cur.d_port = ns($2); } | + PORT NUMBER + = { cur.d_portn = $2; } | + TTY + = { cur.d_mask = "tty"; } | + BIO + = { cur.d_mask = "bio"; } | + NET + = { cur.d_mask = "net"; } | + FLAGS NUMBER + = { cur.d_flags = $2; }; + +Int_spec: + VECTOR Id_list + = { cur.d_vec = $2; } | + PRIORITY NUMBER + = { cur.d_pri = $2; } | + /* lambda */ + ; + +Id_list: + Save_id + = { + struct idlst *a = (struct idlst *)malloc(sizeof(struct idlst)); + a->id = $1; a->id_next = 0; $$ = a; + } | + Save_id Id_list = + { + struct idlst *a = (struct idlst *)malloc(sizeof(struct idlst)); + a->id = $1; a->id_next = $2; $$ = a; + }; + +%% + +yyerror(s) + char *s; +{ + + fprintf(stderr, "config: line %d: %s\n", yyline + 1, s); +} + +/* + * return the passed string in a new space + */ +char * +ns(str) + register char *str; +{ + register char *cp; + + cp = malloc((unsigned)(strlen(str)+1)); + (void) strcpy(cp, str); + return (cp); +} + +/* + * add a device to the list of devices + */ +newdev(dp) + register struct device *dp; +{ + register struct device *np; + + np = (struct device *) malloc(sizeof *np); + *np = *dp; + np->d_next = 0; + if (curp == 0) + dtab = np; + else + curp->d_next = np; + curp = np; +} + +/* + * note that a configuration should be made + */ +mkconf(sysname) + char *sysname; +{ + register struct file_list *fl, **flp; + + fl = (struct file_list *) malloc(sizeof *fl); + fl->f_type = SYSTEMSPEC; + fl->f_needs = sysname; + fl->f_rootdev = NODEV; + fl->f_dumpdev = NODEV; + fl->f_fn = 0; + fl->f_next = 0; + for (flp = confp; *flp; flp = &(*flp)->f_next) + ; + *flp = fl; + confp = flp; +} + +struct file_list * +newflist(ftype) + u_char ftype; +{ + struct file_list *fl = (struct file_list *)malloc(sizeof (*fl)); + + fl->f_type = ftype; + fl->f_next = 0; + fl->f_swapdev = NODEV; + fl->f_swapsize = 0; + fl->f_needs = 0; + fl->f_fn = 0; + return (fl); +} + +/* + * Add a swap device to the system's configuration + */ +mkswap(system, fl, size, flag) + struct file_list *system, *fl; + int size, flag; +{ + register struct file_list **flp; + char name[80]; + + if (system == 0 || system->f_type != SYSTEMSPEC) { + yyerror("\"swap\" spec precedes \"config\" specification"); + return; + } + if (size < 0) { + yyerror("illegal swap partition size"); + return; + } + /* + * Append swap description to the end of the list. + */ + flp = &system->f_next; + for (; *flp && (*flp)->f_type == SWAPSPEC; flp = &(*flp)->f_next) + ; + fl->f_next = *flp; + *flp = fl; + fl->f_swapsize = size; + fl->f_swapflag = flag; + /* + * If first swap device for this system, + * set up f_fn field to insure swap + * files are created with unique names. + */ + if (system->f_fn) + return; + if (eq(fl->f_fn, "generic")) + system->f_fn = ns(fl->f_fn); + else + system->f_fn = ns(system->f_needs); +} + +mkcomp(dp) + register struct device *dp; +{ + register struct file_list *fl, **flp; + char buf[80]; + + fl = (struct file_list *) malloc(sizeof *fl); + fl->f_type = COMPDEVICE; + fl->f_compinfo = dp->d_unit; + fl->f_fn = ns(dp->d_name); + (void) sprintf(buf, "%s%d", dp->d_name, dp->d_unit); + fl->f_needs = ns(buf); + fl->f_next = 0; + for (flp = compp; *flp; flp = &(*flp)->f_next) + ; + *flp = fl; + compp = flp; +} + +addcomp(compdev, fl) + struct file_list *compdev, *fl; +{ + register struct file_list **flp; + char name[80]; + + if (compdev == 0 || compdev->f_type != COMPDEVICE) { + yyerror("component spec precedes device specification"); + return; + } + /* + * Append description to the end of the list. + */ + flp = &compdev->f_next; + for (; *flp && (*flp)->f_type == COMPSPEC; flp = &(*flp)->f_next) + ; + fl->f_next = *flp; + *flp = fl; +} + +/* + * find the pointer to connect to the given device and number. + * returns 0 if no such device and prints an error message + */ +struct device * +connect(dev, num) + register char *dev; + register int num; +{ + register struct device *dp; + struct device *huhcon(); + + if (num == QUES) + return (huhcon(dev)); + for (dp = dtab; dp != 0; dp = dp->d_next) { + if ((num != dp->d_unit) || !eq(dev, dp->d_name)) + continue; + if (dp->d_type != CONTROLLER && dp->d_type != MASTER) { + (void) sprintf(errbuf, + "%s connected to non-controller", dev); + yyerror(errbuf); + return (0); + } + return (dp); + } + (void) sprintf(errbuf, "%s %d not defined", dev, num); + yyerror(errbuf); + return (0); +} + +/* + * connect to an unspecific thing + */ +struct device * +huhcon(dev) + register char *dev; +{ + register struct device *dp, *dcp; + struct device rdev; + int oldtype; + + /* + * First make certain that there are some of these to wildcard on + */ + for (dp = dtab; dp != 0; dp = dp->d_next) + if (eq(dp->d_name, dev)) + break; + if (dp == 0) { + (void) sprintf(errbuf, "no %s's to wildcard", dev); + yyerror(errbuf); + return (0); + } + oldtype = dp->d_type; + dcp = dp->d_conn; + /* + * Now see if there is already a wildcard entry for this device + * (e.g. Search for a "uba ?") + */ + for (; dp != 0; dp = dp->d_next) + if (eq(dev, dp->d_name) && dp->d_unit == -1) + break; + /* + * If there isn't, make one because everything needs to be connected + * to something. + */ + if (dp == 0) { + dp = &rdev; + init_dev(dp); + dp->d_unit = QUES; + dp->d_name = ns(dev); + dp->d_type = oldtype; + newdev(dp); + dp = curp; + /* + * Connect it to the same thing that other similar things are + * connected to, but make sure it is a wildcard unit + * (e.g. up connected to sc ?, here we make connect sc? to a + * uba?). If other things like this are on the NEXUS or + * if they aren't connected to anything, then make the same + * connection, else call ourself to connect to another + * unspecific device. + */ + if (dcp == TO_NEXUS || dcp == 0) + dp->d_conn = dcp; + else + dp->d_conn = connect(dcp->d_name, QUES); + } + return (dp); +} + +init_dev(dp) + register struct device *dp; +{ + + dp->d_name = "OHNO!!!"; + dp->d_type = DEVICE; + dp->d_conn = 0; + dp->d_vec = 0; + dp->d_addr = dp->d_flags = dp->d_dk = 0; + dp->d_pri = -1; + dp->d_slave = dp->d_drive = dp->d_unit = UNKNOWN; + dp->d_port = (char *)0; + dp->d_portn = 0; + dp->d_irq = -1; + dp->d_drq = -1; + dp->d_maddr = 0; + dp->d_msize = 0; + dp->d_mask = "null"; +} + +/* + * make certain that this is a reasonable type of thing to connect to a nexus + */ +check_nexus(dev, num) + register struct device *dev; + int num; +{ + + switch (machine) { + + case MACHINE_VAX: + if (!eq(dev->d_name, "uba") && !eq(dev->d_name, "mba") && + !eq(dev->d_name, "bi")) + yyerror("only uba's, mba's, and bi's should be connected to the nexus"); + if (num != QUES) + yyerror("can't give specific nexus numbers"); + break; + + case MACHINE_TAHOE: + if (!eq(dev->d_name, "vba")) + yyerror("only vba's should be connected to the nexus"); + break; + + case MACHINE_HP300: + case MACHINE_LUNA68K: + if (num != QUES) + dev->d_addr = num; + break; + + case MACHINE_I386: + if (!eq(dev->d_name, "isa")) + yyerror("only isa's should be connected to the nexus"); + break; + + case MACHINE_NEWS3400: + if (!eq(dev->d_name, "iop") && !eq(dev->d_name, "hb") && + !eq(dev->d_name, "vme")) + yyerror("only iop's, hb's and vme's should be connected to the nexus"); + break; + } +} + +/* + * Check the timezone to make certain it is sensible + */ + +check_tz() +{ + if (abs(zone) > 12 * 60) + yyerror("timezone is unreasonable"); + else + hadtz = 1; +} + +/* + * Check system specification and apply defaulting + * rules on root, argument, dump, and swap devices. + */ +checksystemspec(fl) + register struct file_list *fl; +{ + char buf[BUFSIZ]; + register struct file_list *swap; + int generic; + + if (fl == 0 || fl->f_type != SYSTEMSPEC) { + yyerror("internal error, bad system specification"); + exit(1); + } + swap = fl->f_next; + generic = swap && swap->f_type == SWAPSPEC && eq(swap->f_fn, "generic"); + if (fl->f_rootdev == NODEV && !generic) { + yyerror("no root device specified"); + exit(1); + } + /* + * Default swap area to be in 'b' partition of root's + * device. If root specified to be other than on 'a' + * partition, give warning, something probably amiss. + */ + if (swap == 0 || swap->f_type != SWAPSPEC) { + dev_t dev; + + swap = newflist(SWAPSPEC); + dev = fl->f_rootdev; + if (minor(dev) & 07) { + (void) sprintf(buf, +"Warning, swap defaulted to 'b' partition with root on '%c' partition", + (minor(dev) & 07) + 'a'); + yyerror(buf); + } + swap->f_swapdev = + makedev(major(dev), (minor(dev) &~ 07) | ('b' - 'a')); + swap->f_fn = devtoname(swap->f_swapdev); + mkswap(fl, swap, 0); + } + /* + * Make sure a generic swap isn't specified, along with + * other stuff (user must really be confused). + */ + if (generic) { + if (fl->f_rootdev != NODEV) + yyerror("root device specified with generic swap"); + if (fl->f_dumpdev != NODEV) + yyerror("dump device specified with generic swap"); + return; + } + /* + * Default dump device and warn if place is not a + * swap area. + */ + if (fl->f_dumpdev == NODEV) + fl->f_dumpdev = swap->f_swapdev; + if (fl->f_dumpdev != swap->f_swapdev) { + struct file_list *p = swap->f_next; + + for (; p && p->f_type == SWAPSPEC; p = p->f_next) + if (fl->f_dumpdev == p->f_swapdev) + return; + (void) sprintf(buf, + "Warning: dump device is not a swap partition"); + yyerror(buf); + } +} + +/* + * Verify all devices specified in the system specification + * are present in the device specifications. + */ +verifysystemspecs() +{ + register struct file_list *fl; + dev_t checked[50], *verifyswap(); + register dev_t *pchecked = checked; + + for (fl = conf_list; fl; fl = fl->f_next) { + if (fl->f_type != SYSTEMSPEC) + continue; + if (!finddev(fl->f_rootdev)) + deverror(fl->f_needs, "root"); + *pchecked++ = fl->f_rootdev; + pchecked = verifyswap(fl->f_next, checked, pchecked); +#define samedev(dev1, dev2) \ + ((minor(dev1) &~ 07) != (minor(dev2) &~ 07)) + if (!alreadychecked(fl->f_dumpdev, checked, pchecked)) { + if (!finddev(fl->f_dumpdev)) + deverror(fl->f_needs, "dump"); + *pchecked++ = fl->f_dumpdev; + } + } +} + +/* + * Do as above, but for swap devices. + */ +dev_t * +verifyswap(fl, checked, pchecked) + register struct file_list *fl; + dev_t checked[]; + register dev_t *pchecked; +{ + + for (;fl && fl->f_type == SWAPSPEC; fl = fl->f_next) { + if (eq(fl->f_fn, "generic")) + continue; + if (alreadychecked(fl->f_swapdev, checked, pchecked)) + continue; + if (!finddev(fl->f_swapdev)) + fprintf(stderr, + "config: swap device %s not configured", fl->f_fn); + *pchecked++ = fl->f_swapdev; + } + return (pchecked); +} + +/* + * Verify that components of a compound device have themselves been config'ed + */ +verifycomp(fl) + register struct file_list *fl; +{ + char *dname = fl->f_needs; + + for (fl = fl->f_next; fl; fl = fl->f_next) { + if (fl->f_type != COMPSPEC || finddev(fl->f_compdev)) + continue; + fprintf(stderr, + "config: %s: component device %s not configured\n", + dname, fl->f_needs); + } +} + +/* + * Has a device already been checked + * for it's existence in the configuration? + */ +alreadychecked(dev, list, last) + dev_t dev, list[]; + register dev_t *last; +{ + register dev_t *p; + + for (p = list; p < last; p++) + if (samedev(*p, dev)) + return (1); + return (0); +} + +deverror(systemname, devtype) + char *systemname, *devtype; +{ + + fprintf(stderr, "config: %s: %s device not configured\n", + systemname, devtype); +} + +/* + * Look for the device in the list of + * configured hardware devices. Must + * take into account stuff wildcarded. + */ +/*ARGSUSED*/ +finddev(dev) + dev_t dev; +{ + + /* punt on this right now */ + return (1); +} |
