/*
* Read in the information about files used in making the system.
* Store it in the ftab linked list.
*/
static void
read_files(void)
{
FILE *fp;
struct file_list *tp, *pf;
struct device *dp;
struct device *save_dp;
struct opt *op;
char *wd, *this, *needs, *special, *depends, *clean, *warning;
char fname[MAXPATHLEN];
int nonoptional;
int nreqs, first = 1, configdep, isdup, std, filetype,
imp_rule, no_obj, before_depend, nowerror, mandatory;
ftab = 0;
save_dp = NULL;
if (ident == NULL) {
printf("no ident line specified\n");
exit(1);
}
snprintf(fname, sizeof(fname), "../conf/files");
openit:
fp = fopen(fname, "r");
if (fp == NULL)
err(1, "%s", fname);
next:
/*
* filename [ standard | mandatory | optional ] [ config-dependent ]
* [ dev* | profiling-routine ] [ no-obj ]
* [ compile-with "compile rule" [no-implicit-rule] ]
* [ dependency "dependency-list"] [ before-depend ]
* [ clean "file-list"] [ warning "text warning" ]
*/
wd = get_word(fp);
if (wd == (char *)EOF) {
fclose(fp);
if (first == 1) {
first++;
snprintf(fname, sizeof(fname),
"../platform/%s/conf/files",
platformname);
fp = fopen(fname, "r");
if (fp != NULL)
goto next;
snprintf(fname, sizeof(fname),
"files.%s", platformname);
goto openit;
}
if (first == 2) {
first++;
snprintf(fname, sizeof(fname),
"files.%s", raisestr(ident));
fp = fopen(fname, "r");
if (fp != NULL)
goto next;
}
return;
}
if (wd == 0)
goto next;
if (wd[0] == '#')
{
while (((wd = get_word(fp)) != (char *)EOF) && wd)
;
goto next;
}
this = strdup(wd);
next_word(fp, wd);
if (wd == 0) {
printf("%s: No type for %s.\n",
fname, this);
exit(1);
}
if ((pf = fl_lookup(this)) && (pf->f_type != INVISIBLE || pf->f_flags))
isdup = 1;
else
isdup = 0;
tp = 0;
if (first == 3 && pf == NULL && (tp = fltail_lookup(this)) != NULL) {
if (tp->f_type != INVISIBLE || tp->f_flags)
printf("%s: Local file %s overrides %s.\n",
fname, this, tp->f_fn);
else
printf("%s: Local file %s could override %s"
" with a different kernel configuration.\n",
fname, this, tp->f_fn);
}
nreqs = 0;
special = NULL;
depends = NULL;
clean = NULL;
warning = NULL;
configdep = 0;
needs = NULL;
std = mandatory = nonoptional = 0;
imp_rule = 0;
no_obj = 0;
before_depend = 0;
nowerror = 0;
filetype = NORMAL;
if (strcmp(wd, "standard") == 0) {
std = 1;
} else if (strcmp(wd, "mandatory") == 0) {
/*
* If an entry is marked "mandatory", config will abort if
* it's not called by a configuration line in the config
* file. Apart from this, the device is handled like one
* marked "optional".
*/
mandatory = 1;
} else if (strcmp(wd, "nonoptional") == 0) {
nonoptional = 1;
} else if (strcmp(wd, "optional") == 0) {
/* don't need to do anything */
} else {
printf("%s: %s must be optional, mandatory or standard\n",
fname, this);
printf("Alternatively, your version of config(8) may be out of sync with your\nkernel source.\n");
exit(1);
}
nextparam:
next_word(fp, wd);
if (wd == NULL)
goto doneparam;
if (strcmp(wd, "config-dependent") == 0) {
configdep++;
goto nextparam;
}
if (strcmp(wd, "no-obj") == 0) {
no_obj++;
goto nextparam;
}
if (strcmp(wd, "no-implicit-rule") == 0) {
if (special == NULL) {
printf("%s: alternate rule required when "
"\"no-implicit-rule\" is specified.\n",
fname);
}
imp_rule++;
goto nextparam;
}
if (strcmp(wd, "before-depend") == 0) {
before_depend++;
goto nextparam;
}
if (strcmp(wd, "dependency") == 0) {
next_quoted_word(fp, wd);
if (wd == NULL) {
printf("%s: %s missing compile command string.\n",
fname, this);
exit(1);
}
depends = strdup(wd);
goto nextparam;
}
if (strcmp(wd, "clean") == 0) {
next_quoted_word(fp, wd);
if (wd == NULL) {
printf("%s: %s missing clean file list.\n",
fname, this);
exit(1);
}
clean = strdup(wd);
goto nextparam;
}
if (strcmp(wd, "compile-with") == 0) {
next_quoted_word(fp, wd);
if (wd == NULL) {
printf("%s: %s missing compile command string.\n",
fname, this);
exit(1);
}
special = strdup(wd);
goto nextparam;
}
if (strcmp(wd, "nowerror") == 0) {
nowerror++;
goto nextparam;
}
if (strcmp(wd, "warning") == 0) {
next_quoted_word(fp, wd);
if (wd == NULL) {
printf("%s: %s missing warning text string.\n",
fname, this);
exit(1);
}
warning = strdup(wd);
goto nextparam;
}
nreqs++;
if (strcmp(wd, "local") == 0) {
filetype = LOCAL;
goto nextparam;
}
if (strcmp(wd, "no-depend") == 0) {
filetype = NODEPEND;
goto nextparam;
}
if (strcmp(wd, "device-driver") == 0) {
printf("%s: `device-driver' flag obsolete.\n", fname);
exit(1);
}
if (strcmp(wd, "profiling-routine") == 0) {
filetype = PROFILING;
goto nextparam;
}
if (needs == 0 && nreqs == 1)
needs = strdup(wd);
if (isdup)
goto invis;
for (dp = dtab; dp != NULL; save_dp = dp, dp = dp->d_next)
if (strcmp(dp->d_name, wd) == 0) {
if (std && dp->d_type == PSEUDO_DEVICE &&
dp->d_count <= 0)
dp->d_count = 1;
goto nextparam;
}
if (mandatory) {
printf("%s: mandatory device \"%s\" not found\n",
fname, wd);
exit(1);
}
if (std) {
dp = malloc(sizeof(*dp));
bzero(dp, sizeof(*dp));
init_dev(dp);
dp->d_name = strdup(wd);
dp->d_type = PSEUDO_DEVICE;
dp->d_count = 1;
save_dp->d_next = dp;
goto nextparam;
}
for (op = opt; op != NULL; op = op->op_next) {
if (op->op_value == 0 && opteq(op->op_name, wd)) {
if (nreqs == 1) {
free(needs);
needs = NULL;
}
goto nextparam;
}
}
if (nonoptional) {
printf("%s: the option \"%s\" MUST be specified\n",
fname, wd);
exit(1);
}
invis:
while ((wd = get_word(fp)) != 0)
;
if (tp == NULL)
tp = new_fent();
tp->f_fn = this;
tp->f_type = INVISIBLE;
tp->f_needs = needs;
tp->f_flags = isdup;
tp->f_special = special;
tp->f_depends = depends;
tp->f_clean = clean;
tp->f_warn = warning;
goto next;
doneparam:
if (std == 0 && nreqs == 0) {
printf("%s: what is %s optional on?\n",
fname, this);
exit(1);
}
if (wd != NULL) {
printf("%s: syntax error describing %s\n",
fname, this);
exit(1);
}
if (filetype == PROFILING && profiling == 0)
goto next;
if (tp == NULL)
tp = new_fent();
tp->f_fn = this;
tp->f_type = filetype;
tp->f_flags = 0;
if (configdep)
tp->f_flags |= CONFIGDEP;
if (imp_rule)
tp->f_flags |= NO_IMPLCT_RULE;
if (no_obj)
tp->f_flags |= NO_OBJ;
if (before_depend)
tp->f_flags |= BEFORE_DEPEND;
if (nowerror)
tp->f_flags |= NOWERROR;
if (imp_rule)
tp->f_flags |= NO_IMPLCT_RULE;
if (no_obj)
tp->f_flags |= NO_OBJ;
tp->f_needs = needs;
tp->f_special = special;
tp->f_depends = depends;
tp->f_clean = clean;
tp->f_warn = warning;
if (pf && pf->f_type == INVISIBLE)
pf->f_flags = 1; /* mark as duplicate */
goto next;
}
/*
* Read in the information about files used in making the system.
* Store it in the ftab linked list.
*/
void
read_files(void)
{
FILE *fp;
register struct file_list *tp, *pf;
register struct device *dp;
register struct opt *op;
const char *wd;
char *this, *needs;
const char *devorprof;
int options;
int not_option;
int ordered;
int sedit; /* SQT */
char pname[BUFSIZ];
char fname[1024];
char *rest = (char *) 0;
struct cputype *cp;
int nreqs, first = 1, isdup;
ftab = 0;
(void) sprintf(fname, "%s/files", config_directory);
openit:
fp = fopenp(VPATH, fname, pname, "r");
if (fp == 0) {
perror(fname);
exit(1);
}
next:
options = 0;
rest = (char *) 0;
/*
* filename [ standard | optional ]
* [ dev* | profiling-routine ] [ device-driver]
*/
/*
* MACHINE_SQT ONLY:
*
* filename [ standard | optional ]
* [ ordered | sedit ]
* [ dev* | profiling-routine ] [ device-driver]
*/
wd = get_word(fp);
if (wd == (char *)EOF) {
(void) fclose(fp);
if (first == 1) {
(void) sprintf(fname, "%s/files.%s", config_directory, machinename);
first++;
goto openit;
}
if (first == 2) {
(void) sprintf(fname, "files.%s", allCaps(ident));
first++;
fp = fopenp(VPATH, fname, pname, "r");
if (fp != 0)
goto next;
}
return;
}
if (wd == 0)
goto next;
/*
* Allow comment lines beginning witha '#' character.
*/
if (*wd == '#')
{
while ((wd=get_word(fp)) && wd != (char *)EOF)
;
goto next;
}
this = ns(wd);
next_word(fp, wd);
if (wd == 0) {
printf("%s: No type for %s.\n",
fname, this);
exit(1);
}
if ((pf = fl_lookup(this)) && (pf->f_type != INVISIBLE || pf->f_flags))
isdup = 1;
else
isdup = 0;
tp = 0;
if (first == 3 && (tp = fltail_lookup(this)) != 0)
printf("%s: Local file %s overrides %s.\n",
fname, this, tp->f_fn);
nreqs = 0;
devorprof = "";
ordered = 0;
sedit = 1; /* SQT: assume sedit for now */
needs = 0;
if (eq(wd, "standard"))
goto checkdev;
if (!eq(wd, "optional")) {
printf("%s: %s must be optional or standard\n", fname, this);
exit(1);
}
if (strncmp(this, "OPTIONS/", 8) == 0)
options++;
not_option = 0;
nextopt:
next_word(fp, wd);
if (wd == 0)
goto doneopt;
if (eq(wd, "ordered")) {
ordered++;
goto nextopt;
}
if (machine == MACHINE_SQT && eq(wd, "sedit")) {
sedit++;
goto nextopt;
}
if (eq(wd, "not")) {
not_option = !not_option;
goto nextopt;
}
devorprof = wd;
if (eq(wd, "device-driver") || eq(wd, "profiling-routine")) {
next_word(fp, wd);
goto save;
}
nreqs++;
if (needs == 0 && nreqs == 1)
needs = ns(wd);
if (isdup)
goto invis;
if (options)
{
struct opt *lop = 0;
struct device tdev;
/*
* Allocate a pseudo-device entry which we will insert into
* the device list below. The flags field is set non-zero to
* indicate an internal entry rather than one generated from
* the configuration file. The slave field is set to define
* the corresponding symbol as 0 should we fail to find the
* option in the option list.
*/
init_dev(&tdev);
tdev.d_name = ns(wd);
tdev.d_type = PSEUDO_DEVICE;
tdev.d_flags++;
tdev.d_slave = 0;
for (op=opt; op; lop=op, op=op->op_next)
{
char *od = allCaps(ns(wd));
/*
* Found an option which matches the current device
* dependency identifier. Set the slave field to
* define the option in the header file.
*/
if (strcmp(op->op_name, od) == 0)
{
tdev.d_slave = 1;
if (lop == 0)
opt = op->op_next;
else
lop->op_next = op->op_next;
free(op);
op = 0;
}
free(od);
if (op == 0)
break;
}
newdev(&tdev);
}
for (dp = dtab; dp != 0; dp = dp->d_next) {
if (eq(dp->d_name, wd) && (dp->d_type != PSEUDO_DEVICE || dp->d_slave)) {
if (not_option)
goto invis; /* dont want file if option present */
else
goto nextopt;
}
}
if (not_option)
goto nextopt; /* want file if option missing */
for (op = opt; op != 0; op = op->op_next)
if (op->op_value == 0 && opteq(op->op_name, wd)) {
if (nreqs == 1) {
free(needs);
needs = 0;
}
goto nextopt;
}
for (cp = cputype; cp; cp = cp->cpu_next)
if (opteq(cp->cpu_name, wd)) {
if (nreqs == 1) {
free(needs);
needs = 0;
}
goto nextopt;
}
invis:
while ((wd = get_word(fp)) != 0)
;
if (tp == 0)
tp = new_fent();
tp->f_fn = this;
tp->f_type = INVISIBLE;
tp->f_needs = needs;
tp->f_flags = isdup;
goto next;
doneopt:
if (nreqs == 0) {
printf("%s: what is %s optional on?\n",
fname, this);
exit(1);
}
checkdev:
if (wd) {
if (*wd == '|')
goto getrest;
next_word(fp, wd);
if (wd) {
if (eq(wd, "ordered")) {
ordered++;
goto checkdev;
}
if (machine == MACHINE_SQT && eq(wd, "sedit")) {
sedit++;
goto checkdev;
}
devorprof = wd;
next_word(fp, wd);
}
}
save:
getrest:
if (wd) {
if (*wd == '|') {
rest = ns(get_rest(fp));
} else {
printf("%s: syntax error describing %s\n",
fname, this);
exit(1);
}
}
if (eq(devorprof, "profiling-routine") && profiling == 0)
goto next;
if (tp == 0)
tp = new_fent();
tp->f_fn = this;
tp->f_extra = rest;
if (options)
tp->f_type = INVISIBLE;
else
if (eq(devorprof, "device-driver"))
tp->f_type = DRIVER;
else if (eq(devorprof, "profiling-routine"))
tp->f_type = PROFILING;
else
tp->f_type = NORMAL;
tp->f_flags = 0;
if (ordered)
tp->f_flags |= ORDERED;
if (sedit) /* SQT */
tp->f_flags |= SEDIT;
tp->f_needs = needs;
if (pf && pf->f_type == INVISIBLE)
pf->f_flags = 1; /* mark as duplicate */
goto next;
}
