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Kconfig: generate xxx_ENABLED defines automatically.

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This commit is contained in:
Serge Vakulenko
2015-09-08 14:25:59 -07:00
parent 717ab59efd
commit c631ae5d43
43 changed files with 110 additions and 423 deletions
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3
tools/kconfig/Makefile
View File

@@ -2,8 +2,7 @@ CC = gcc -g
CFLAGS = -O -Wall -Werror
YACC = byacc -d
DESTDIR = /usr/local
OBJS = config.o main.o lang.o mkioconf.o mkmakefile.o mkheaders.o \
mkswapconf.o
OBJS = config.o main.o lang.o mkioconf.o mkmakefile.o mkswapconf.o
PROG = kconfig
all: $(PROG) $(PROG).0

1
tools/kconfig/main.c
View File

@@ -87,7 +87,6 @@ usage: fputs("usage: kconfig [-gp] sysname\n", stderr);
exit(1);
}
makefile(); /* build Makefile */
headers(); /* make a lot of .h files */
swapconf(); /* swap config files */
exit(0);
}

200
tools/kconfig/mkheaders.c
View File

@@ -1,200 +0,0 @@
/*
* Copyright (c) 1980, 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.
*/
/*
* Make all the .h files for the optional entries
*/
#include <ctype.h>
#include "config.h"
#include "y.tab.h"
void do_header(dev, hname, count)
char *dev, *hname;
int count;
{
char *file, *name, *inw, *toheader(), *tomacro();
struct file_list *fl, *fl_head, *tflp;
FILE *inf, *outf;
int inc, oldcount;
file = toheader(hname);
name = tomacro(dev);
inf = fopen(file, "r");
oldcount = -1;
if (inf == 0) {
outf = fopen(file, "w");
if (outf == 0) {
perror(file);
exit(1);
}
fprintf(outf, "#define %s %d\n", name, count);
(void) fclose(outf);
return;
}
fl_head = NULL;
for (;;) {
char *cp;
if ((inw = get_word(inf)) == 0 || inw == (char *)EOF)
break;
if ((inw = get_word(inf)) == 0 || inw == (char *)EOF)
break;
inw = strdup(inw);
cp = get_word(inf);
if (cp == 0 || cp == (char *)EOF)
break;
inc = atoi(cp);
if (eq(inw, name)) {
oldcount = inc;
inc = count;
}
cp = get_word(inf);
if (cp == (char *)EOF)
break;
fl = (struct file_list *) malloc(sizeof *fl);
bzero(fl, sizeof(*fl));
fl->f_fn = inw;
fl->f_type = inc;
fl->f_next = fl_head;
fl_head = fl;
}
(void) fclose(inf);
if (count == oldcount) {
for (fl = fl_head; fl != NULL; fl = tflp) {
tflp = fl->f_next;
free(fl);
}
return;
}
if (oldcount == -1) {
fl = (struct file_list *) malloc(sizeof *fl);
bzero(fl, sizeof(*fl));
fl->f_fn = name;
fl->f_type = count;
fl->f_next = fl_head;
fl_head = fl;
}
outf = fopen(file, "w");
if (outf == 0) {
perror(file);
exit(1);
}
for (fl = fl_head; fl != NULL; fl = tflp) {
fprintf(outf,
"#define %s %u\n", fl->f_fn, count ? fl->f_type : 0);
tflp = fl->f_next;
free(fl);
}
(void) fclose(outf);
}
/*
* count all the devices of a certain type and recurse to count
* whatever the device is connected to
*/
void do_count(dev, hname, search)
register char *dev, *hname;
int search;
{
register struct device *dp, *mp;
register int count, hicount;
/*
* After this loop, "count" will be the actual number of units,
* and "hicount" will be the highest unit declared. do_header()
* must use this higher of these values.
*/
for (hicount = count = 0, dp = dtab; dp != 0; dp = dp->d_next)
if (dp->d_unit != -1 && eq(dp->d_name, dev)) {
if (dp->d_type == PSEUDO_DEVICE) {
count =
dp->d_slave != UNKNOWN ? dp->d_slave : 1;
break;
}
count++;
/*
* Allow holes in unit numbering,
* assumption is unit numbering starts
* at zero.
*/
if (dp->d_unit + 1 > hicount)
hicount = dp->d_unit + 1;
if (search) {
mp = dp->d_conn;
if (mp != 0 && mp->d_conn != 0) {
do_count(mp->d_name, hname, 0);
search = 0;
}
}
}
do_header(dev, hname, count > hicount ? count : hicount);
}
void headers()
{
register struct file_list *fl;
for (fl = ftab; fl != 0; fl = fl->f_next)
if (fl->f_needs != 0)
do_count(fl->f_needs, fl->f_needs, 1);
}
/*
* convert a dev name to a .h file name
*/
char *
toheader(dev)
char *dev;
{
static char hbuf[80];
(void) strcpy(hbuf, dev);
(void) strcat(hbuf, ".h");
return (hbuf);
}
/*
* convert a dev name to a macro name
*/
char *tomacro(dev)
register char *dev;
{
static char mbuf[20];
register char *cp;
cp = mbuf;
*cp++ = 'N';
while (*dev)
*cp++ = islower(*dev) ? toupper(*dev++) : *dev++;
*cp++ = 0;
return (mbuf);
}

21
tools/kconfig/mkmakefile.c
View File

@@ -410,6 +410,7 @@ void makefile()
char line[BUFSIZ];
struct opt *op;
struct cputype *cp;
struct device *dp;
read_files();
strcpy(line, "../Makefile.kconf");
@@ -432,6 +433,12 @@ void makefile()
for (cp = cputype; cp; cp = cp->cpu_next) {
fprintf(ofp, "PARAM += -D%s\n", cp->cpu_name);
}
for (dp = dtab; dp != 0; dp = dp->d_next) {
if (dp->d_unit <= 0)
fprintf(ofp, "PARAM += -D%s_ENABLED\n", raise(dp->d_name));
else
fprintf(ofp, "PARAM += -D%s%d_ENABLED\n", raise(dp->d_name), dp->d_unit);
}
for (op = opt; op; op = op->op_next) {
if (op->op_value)
fprintf(ofp, "PARAM += -D%s=\"%s\"\n", op->op_name, op->op_value);
@@ -523,16 +530,20 @@ do_systemspec(f, fl, first)
return (fl);
}
/*
* Convert a name to uppercase.
* Return a pointer to a static buffer.
*/
char *
raise(str)
register char *str;
{
register char *cp = str;
static char buf[100];
register char *cp = buf;
while (*str) {
if (islower(*str))
*str = toupper(*str);
str++;
*cp++ = islower(*str) ? toupper(*str++) : *str++;
}
return (cp);
*cp = 0;
return buf;
}