+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2003 Eric Biederman (ebiederm@xmission.com)
+ * Copyright (C) 2007-2010 coresystems GmbH
+ *
+ * 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; version 2 of the License.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
+ */
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include <libgen.h>
+#define UTIL_BUILD_OPTION_TABLE
#include "../../src/include/pc80/mc146818rtc.h"
#include "../../src/include/boot/coreboot_tables.h"
#define INPUT_LINE_MAX 256
#define MAX_VALUE_BYTE_LENGTH 64
-#define TMPFILE_LEN 256
+#define TMPFILE_LEN 25600
#define TMPFILE_TEMPLATE "/build_opt_tbl_XXXXXX"
static unsigned char cmos_table[4096];
-/* This routine loops through the entried and tests if any of the fields overlap
- input entry_start = the memory pointer to the start of the entries.
- entry_end = the byte past the entries.
- output none
- if there is an overlap, the routine exits, other wise it returns.
-*/
+/* This array is used to isolate bits that are to be changed in a byte */
+static unsigned char clip[9]={0,1,3,7,0x0f,0x1f,0x3f,0x7f,0xff};
-void test_for_entry_overlaps(void *entry_start, void *entry_end)
+#ifdef WIN32
+#include <fcntl.h>
+char *mkstemp(char* name)
+{
+ static char val='0';
+ char *c=name;
+ while (*c!='X') c++;
+ *c=val++;
+ return open(name,O_CREAT | O_RDWR);
+}
+#define UNLINK_IF_NECESSARY(x) unlink(x)
+#else
+#define UNLINK_IF_NECESSARY(x)
+#endif
+
+/**
+ * This routine loops through the entried and tests if any of the fields
+ * overlap.
+ * If there is an overlap, the routine exits, otherwise it returns.
+ *
+ * @param entry_start memory pointer to the start of the entries.
+ * @param entry_end memory pointer to the byte past the entries.
+ */
+static void test_for_entry_overlaps(void *entry_start, void *entry_end)
{
+ int ptr;
char *cptr;
- struct cmos_entries *ce = NULL;
+ int buffer_bit_size;
+ int offset;
+ int byte;
+ int byte_length;
+ struct cmos_entries *ce;
unsigned char test[CMOS_IMAGE_BUFFER_SIZE];
- int i;
-
- memset(test, 0, CMOS_IMAGE_BUFFER_SIZE);
+ unsigned char set;
- for (cptr = entry_start; cptr < (char *)entry_end; cptr += ce->size) {
- ce = (struct cmos_entries *)cptr;
-
- /* Only reserved space can be larger than 32bits */
- if ((ce->length > 32) && (ce->config != 'r')) {
- fprintf(stderr, "Error: Entry %s is longer than"
- " 32bits.\n", ce->name);
- exit(1);
- }
+ /* calculate the size of the cmos buffer in bits */
+ buffer_bit_size=(CMOS_IMAGE_BUFFER_SIZE*8);
+ /* clear the temporary test buffer */
+ for(ptr=0; ptr < CMOS_IMAGE_BUFFER_SIZE; ptr++)
+ test[ptr]=0;
+ /* loop through each entry in the table testing for errors */
+ for(cptr = entry_start; cptr < (char *)entry_end; cptr += ce->size) {
+ ce=(struct cmos_entries *)cptr;
/* test if entry goes past the end of the buffer */
- if ((ce->bit + ce->length) > (CMOS_IMAGE_BUFFER_SIZE * 8)) {
- fprintf(stderr, "Error: Entry %s exceeds CMOS"
- " space.\n", ce->name);
+ if((int)(ce->bit+ce->length) > buffer_bit_size) {
+ printf("Error - Entry %s start bit + length must be less than %d\n",
+ ce->name,buffer_bit_size);
exit(1);
}
-
- /* see whether our bits were marked before */
- for (i = ce->bit; i < (ce->bit + ce->length); i++)
- if (test[i / 8] & (0x01 << (i % 8))) {
- printf("Error: Entry %s overlaps at bit %d.\n",
- ce->name, i);
+ byte=ce->bit/8;
+ offset=ce->bit%8;
+ byte_length=ce->length/8;
+ if(byte_length) { /* entry is 8 bits long or more */
+ if(offset) { /* if 8 bits or more long, it must be byte aligned */
+ printf("Error - Entry %s length over 8 must be byte aligned\n",
+ ce->name);
exit(1);
}
-
- /* now mark our bits */
- for (i = ce->bit; i < (ce->bit + ce->length); i++)
- test[i / 8] |= 0x01 << (i % 8);
-
+ /* test if entries 8 or more in length are even bytes */
+ if(ce->length%8){
+ printf("Error - Entry %s length over 8 must be a multiple of 8\n",
+ ce->name);
+ exit(1);
+ }
+ /* test if any of the bits have been previously used */
+ for(;byte_length;byte_length--,byte++) {
+ if(test[byte]) {
+ printf("Error - Entry %s uses same bits previously used\n",
+ ce->name);
+ exit(1);
+ }
+ test[byte]=clip[8]; /* set the bits defined in test */
+ }
+ } else {
+ /* test if bits overlap byte boundaries */
+ if((int)ce->length > (8-offset)) {
+ printf("Error - Entry %s length overlaps a byte boundry\n",
+ ce->name);
+ exit(1);
+ }
+ /* test for bits previously used */
+ set=(clip[ce->length]<<offset);
+ if(test[byte]&set) {
+ printf("Error - Entry %s uses same bits previously used\n",
+ ce->name);
+ exit(1);
+ }
+ test[byte]|=set; /* set the bits defined in test */
+ }
}
+ return;
}
/* This routine displays the usage options */
-void display_usage(char *name)
+static void display_usage(char *name)
{
printf("Usage: %s [--config filename]\n", name);
printf(" [--option filename]\n");
printf(" [--header filename]\n\n");
printf("--config = Build the definitions table from the given file.\n");
+ printf("--binary = Output a binary file with the definitions.\n");
printf("--option = Output a C source file with the definitions.\n");
- printf("--header = Ouput a C header file with the definitions.\n");
+ printf("--header = Output a C header file with the definitions.\n");
exit(1);
}
-
static void skip_spaces(char *line, char **ptr)
{
if (!isspace(**ptr)) {
}
return;
}
+
static unsigned long get_number(char *line, char **ptr, int base)
{
unsigned long value;
char *ptr2;
value = strtoul(*ptr, &ptr2, base);
if (ptr2 == *ptr) {
- printf("Error missing digits at: \n%s\n in line:\n%s\n",
+ printf("Error missing digits at: \n%s\n in line:\n%s\n",
*ptr, line);
exit(1);
}
return value;
}
+static int is_ident_digit(int c)
+{
+ int result;
+ switch(c) {
+ case '0': case '1': case '2': case '3':
+ case '4': case '5': case '6': case '7':
+ case '8': case '9':
+ result = 1;
+ break;
+ default:
+ result = 0;
+ break;
+ }
+ return result;
+}
+
static int is_ident_nondigit(int c)
{
- if (((c >= 'A') && (c <='Z')) ||
- ((c >= 'a') && (c <='z')) ||
- (c == '_'))
- return 1;
- else
- return 0;
+ int result;
+ switch(c) {
+ case 'A': case 'B': case 'C': case 'D':
+ case 'E': case 'F': case 'G': case 'H':
+ case 'I': case 'J': case 'K': case 'L':
+ case 'M': case 'N': case 'O': case 'P':
+ case 'Q': case 'R': case 'S': case 'T':
+ case 'U': case 'V': case 'W': case 'X':
+ case 'Y': case 'Z':
+ case 'a': case 'b': case 'c': case 'd':
+ case 'e': case 'f': case 'g': case 'h':
+ case 'i': case 'j': case 'k': case 'l':
+ case 'm': case 'n': case 'o': case 'p':
+ case 'q': case 'r': case 's': case 't':
+ case 'u': case 'v': case 'w': case 'x':
+ case 'y': case 'z':
+ case '_':
+ result = 1;
+ break;
+ default:
+ result = 0;
+ break;
+ }
+ return result;
}
static int is_ident(char *str)
do {
str++;
ch = *str;
- } while(ch && (is_ident_nondigit(ch) || isdigit(ch)));
+ } while(ch && (is_ident_nondigit(ch) || (is_ident_digit(ch))));
result = (ch == '\0');
}
return result;
}
-
-/* This routine builds the cmos definition table from the cmos layout file
- input The input comes from the configuration file which contains two parts
- entries and enumerations. Each section is started with the key words
- entries and enumerations. Records then follow in their respective
- formats.
- output The output of this program is the cmos definitions table. It is stored
- in the cmos_table array. If this module is called, and the global
- table_file has been implimented by the user, the table is also written
- to the specified file.
- This program exits on and error. It returns a 1 on successful
- completion
-*/
+/**
+ * This routine builds the cmos definition table from the cmos layout file
+ *
+ * The input comes from the configuration file which contains two parts
+ * entries and enumerations. Each section is started with the key words
+ * entries and enumerations. Records then follow in their respective
+ * formats.
+ *
+ * The output of this program is the cmos definitions table. It is stored
+ * in the cmos_table array. If this module is called, and the global
+ * table_file has been implimented by the user, the table is also written
+ * to the specified file.
+ *
+ * This program exits with a return code of 1 on error. It returns 0 on
+ * successful completion
+ */
int main(int argc, char **argv)
{
int i;
char *config=0;
+ char *binary=0;
char *option=0;
char *header=0;
FILE *fp;
- int tmpfile;
- char tmpfilename[TMPFILE_LEN];
+ int tempfile;
+ char tempfilename[TMPFILE_LEN];
struct cmos_option_table *ct;
struct cmos_entries *ce;
struct cmos_enums *c_enums, *c_enums_start;
- struct cmos_checksum *cs;
+ struct cmos_checksum *cs, *new_cs;
char line[INPUT_LINE_MAX];
unsigned char uc;
int entry_mode=0;
int enum_mode=0;
int checksum_mode=0;
- long ptr;
int cnt;
char *cptr;
void *entry_start, *entry_end;
int enum_length;
int len;
char buf[16];
+ char val;
for(i=1;i<argc;i++) {
if(argv[i][0]!='-') {
}
config=argv[++i];
break;
+ case 'b': /* Emit a binary file */
+ if(strcmp(&argv[i][2],"binary")) {
+ display_usage(argv[0]);
+ }
+ binary=argv[++i];
+ break;
case 'o': /* use a cmos definitions table file */
if(strcmp(&argv[i][2],"option")) {
display_usage(argv[0]);
ce=(struct cmos_entries*)(cmos_table+(ct->header_length));
cptr = (char*)ce;
for(;;){ /* this section loops through the entry records */
- if(fgets(line,INPUT_LINE_MAX,fp)==NULL)
+ if(fgets(line,INPUT_LINE_MAX,fp)==NULL)
break; /* end if no more input */
+ // FIXME mode should be a single enum.
if(!entry_mode) { /* skip input until the entries key word */
if (strstr(line,"entries") != 0) {
entry_mode=1;
+ enum_mode=0;
+ checksum_mode=0;
continue;
}
- }
- else{ /* Test if we are done with entries and starting enumerations */
+ } else { /* Test if we are done with entries and starting enumerations */
if (strstr(line,"enumerations") != 0){
entry_mode=0;
enum_mode=1;
+ checksum_mode=0;
break;
}
if (strstr(line, "checksums") != 0) {
+ entry_mode=0;
enum_mode=0;
checksum_mode=1;
break;
}
/* skip commented and blank lines */
- if(line[0]=='#') continue;
- if(line[strspn(line," ")]=='\n') continue;
+ val = line[strspn(line," ")];
+ /* takes care of *nix, Mac and Windows line ending formats */
+ if (val=='#' || val=='\n' || val=='\r') continue;
/* scan in the input data */
sscanf(line,"%d %d %c %d %s",
&ce->bit,&ce->length,&uc,&ce->config_id,&ce->name[0]);
exit(1);
}
if (!is_ident((char *)ce->name)) {
- fprintf(stderr,
- "Error - Name %s is an invalid identifier in line\n %s\n",
+ fprintf(stderr,
+ "Error - Name %s is an invalid identifier in line\n %s\n",
ce->name, line);
exit(1);
}
test_for_entry_overlaps(entry_start, entry_end);
for(;enum_mode;){ /* loop to build the enumerations section */
- if(fgets(line,INPUT_LINE_MAX,fp)==NULL)
+ long ptr;
+ if(fgets(line,INPUT_LINE_MAX,fp)==NULL)
break; /* go till end of input */
if (strstr(line, "checksums") != 0) {
c_enums->config_id=strtol(&line[ptr],(char**)NULL,10);
for(;(line[ptr]!=' ')&&(line[ptr]!='\t');ptr++);
for(;(line[ptr]==' ')||(line[ptr]=='\t');ptr++);
- c_enums->value = strtoul(&line[ptr],(char**)NULL,0);
+ c_enums->value=strtol(&line[ptr],(char**)NULL,10);
for(;(line[ptr]!=' ')&&(line[ptr]!='\t');ptr++);
for(;(line[ptr]==' ')||(line[ptr]=='\t');ptr++);
for(cnt=0;(line[ptr]!='\n')&&(cnt<31);ptr++,cnt++)
c_enums->text[cnt]=line[ptr];
c_enums->text[cnt]=0;
-
+
/* make the record int aligned */
cnt++;
if(cnt%4)
ct->size=ct->header_length+enum_length+entries_length;
/* Get the checksum records */
- cs=(struct cmos_checksum *)(cmos_table+(ct->size));
- cptr = (char*)cs;
+ new_cs = (struct cmos_checksum *)(cmos_table+(ct->size));
for(;checksum_mode;) { /* This section finds the checksums */
char *ptr;
if(fgets(line, INPUT_LINE_MAX,fp)==NULL)
if (line[strspn(line, " ")]=='\n') continue;
if (memcmp(line, "checksum", 8) != 0) continue;
+ /* We actually found a new cmos checksum entry */
+ cs = new_cs;
+
/* get the information */
ptr = line + 8;
skip_spaces(line, &ptr);
skip_spaces(line, &ptr);
cs->location = get_number(line, &ptr, 10);
-
+
/* Make certain there are spaces until the end of the line */
skip_spaces(line, &ptr);
exit(1);
}
if ((cs->location >= (CMOS_IMAGE_BUFFER_SIZE*8)) ||
- ((cs->location + 16) > (CMOS_IMAGE_BUFFER_SIZE*8)))
+ ((cs->location + 16) > (CMOS_IMAGE_BUFFER_SIZE*8)))
{
fprintf(stderr, "Error - location is to big in line\n%s\n", line);
exit(1);
}
- /* And since we are not ready to be fully general purpose yet.. */
- if ((cs->range_start/8) != LB_CKS_RANGE_START) {
- fprintf(stderr, "Error - Range start(%d) does not match define(%d) in line\n%s\n",
- cs->range_start/8, LB_CKS_RANGE_START, line);
- exit(1);
- }
- if ((cs->range_end/8) != LB_CKS_RANGE_END) {
- fprintf(stderr, "Error - Range end (%d) does not match define (%d) in line\n%s\n",
- (cs->range_end/8), LB_CKS_RANGE_END, line);
- exit(1);
- }
- if ((cs->location/8) != LB_CKS_LOC) {
- fprintf(stderr, "Error - Location does not match define in line\n%s\n", line);
- exit(1);
- }
cs->tag = LB_TAG_OPTION_CHECKSUM;
cs->size = sizeof(*cs);
cs->type = CHECKSUM_PCBIOS;
+
cptr = (char *)cs;
cptr += cs->size;
- cs = (struct cmos_checksum *)cptr;
-
+ new_cs = (struct cmos_checksum *)cptr;
}
ct->size += (cptr - (char *)(cmos_table + ct->size));
fclose(fp);
/* See if we want to output a C source file */
if(option) {
int err=0;
- strncpy(tmpfilename, dirname(option), TMPFILE_LEN);
- strncat(tmpfilename, TMPFILE_TEMPLATE, TMPFILE_LEN);
- tmpfile = mkstemp(tmpfilename);
- if(tmpfile == -1) {
+ snprintf(tempfilename, TMPFILE_LEN, "%s%s", dirname(strdup(option)), TMPFILE_TEMPLATE);
+ tempfile = mkstemp(tempfilename);
+ if(tempfile == -1) {
perror("Error - Could not create temporary file");
exit(1);
}
- if((fp=fdopen(tmpfile,"w"))==NULL){
+ if((fp=fdopen(tempfile,"w"))==NULL){
perror("Error - Could not open temporary file");
- unlink(tmpfilename);
+ unlink(tempfilename);
exit(1);
}
/* write the header */
- if(!fwrite("unsigned char option_table[] = {",1,32,fp)) {
+ if(fwrite("unsigned char option_table[] = {",1,32,fp) != 32) {
perror("Error - Could not write image file");
fclose(fp);
- unlink(tmpfilename);
+ unlink(tempfilename);
exit(1);
}
/* write the array values */
- for(i=0;i<(ct->size-1);i++) {
- if(!(i%10) && !err) err=!fwrite("\n\t",1,2,fp);
+ for(i=0; i<(int)(ct->size-1); i++) {
+ if(!(i%10) && !err) err=(fwrite("\n\t",1,2,fp) != 2);
sprintf(buf,"0x%02x,",cmos_table[i]);
- if(!err) err=!fwrite(buf,1,5,fp);
+ if(!err) err=(fwrite(buf,1,5,fp) != 5);
}
/* write the end */
sprintf(buf,"0x%02x\n",cmos_table[i]);
- if(!err) err=!fwrite(buf,1,4,fp);
- if(!fwrite("};\n",1,3,fp)) {
+ if(!err) err=(fwrite(buf,1,4,fp) != 4);
+ if(fwrite("};\n",1,3,fp) != 3) {
perror("Error - Could not write image file");
fclose(fp);
- unlink(tmpfilename);
+ unlink(tempfilename);
exit(1);
}
fclose(fp);
- if (rename(tmpfilename, option)) {
+ UNLINK_IF_NECESSARY(option);
+ if (rename(tempfilename, option)) {
fprintf(stderr, "Error - Could not write %s: ", option);
perror(NULL);
- unlink(tmpfilename);
+ unlink(tempfilename);
+ exit(1);
+ }
+ }
+
+ /* See if we also want to output a binary file */
+ if(binary) {
+ int err=0;
+ snprintf(tempfilename, TMPFILE_LEN, "%s%s", dirname(strdup(binary)), TMPFILE_TEMPLATE);
+ tempfile = mkstemp(tempfilename);
+ if(tempfile == -1) {
+ perror("Error - Could not create temporary file");
+ exit(1);
+ }
+
+ if((fp=fdopen(tempfile,"wb"))==NULL){
+ perror("Error - Could not open temporary file");
+ unlink(tempfilename);
+ exit(1);
+ }
+
+ /* write the array values */
+ if(fwrite(cmos_table, (int)(ct->size-1), 1, fp) != 1) {
+ perror("Error - Could not write image file");
+ fclose(fp);
+ unlink(tempfilename);
+ exit(1);
+ }
+
+ fclose(fp);
+ UNLINK_IF_NECESSARY(binary);
+ if (rename(tempfilename, binary)) {
+ fprintf(stderr, "Error - Could not write %s: ", binary);
+ perror(NULL);
+ unlink(tempfilename);
exit(1);
}
}
struct cmos_option_table *hdr;
struct lb_record *ptr, *end;
- strncpy(tmpfilename, dirname(option), TMPFILE_LEN);
- strncat(tmpfilename, TMPFILE_TEMPLATE, TMPFILE_LEN);
- tmpfile = mkstemp(tmpfilename);
- if(tmpfile == -1) {
+ snprintf(tempfilename, TMPFILE_LEN, "%s%s", dirname(strdup(header)), TMPFILE_TEMPLATE);
+ tempfile = mkstemp(tempfilename);
+ if(tempfile == -1) {
perror("Error - Could not create temporary file");
exit(1);
}
- fp = fdopen(tmpfile, "w");
+ fp = fdopen(tempfile, "w");
if (!fp) {
perror("Error - Could not open temporary file");
- unlink(tmpfilename);
+ unlink(tempfilename);
exit(1);
}
/* Walk through the entry records */
ptr = (struct lb_record *)(cmos_table + hdr->header_length);
end = (struct lb_record *)(cmos_table + hdr->size);
+ fprintf(fp, "/* This file is autogenerated.\n"
+ " * See mainboard's cmos.layout file.\n */\n\n"
+ "#ifndef __OPTION_TABLE_H\n#define __OPTION_TABLE_H\n\n");
+
for(;ptr < end; ptr = (struct lb_record *)(((char *)ptr) + ptr->size)) {
if (ptr->tag != LB_TAG_OPTION) {
continue;
fprintf(stderr, "Invalid identifier: %s\n",
ce->name);
fclose(fp);
- unlink(tmpfilename);
+ unlink(tempfilename);
exit(1);
}
fprintf(fp, "#define CMOS_VSTART_%s %d\n",
fprintf(fp, "#define CMOS_VLEN_%s %d\n",
ce->name, ce->length);
}
+
+ if (cs != NULL) {
+ fprintf(fp, "\n#define LB_CKS_RANGE_START %d\n", cs->range_start / 8);
+ fprintf(fp, "#define LB_CKS_RANGE_END %d\n", cs->range_end / 8);
+ fprintf(fp, "#define LB_CKS_LOC %d\n", cs->location / 8);
+ } else {
+ fprintf(stderr, "Error - No checksums defined.\n");
+ fclose(fp);
+ unlink(tempfilename);
+ exit(1);
+ }
+ fprintf(fp, "\n#endif // __OPTION_TABLE_H\n");
fclose(fp);
- if (rename(tmpfilename, header)) {
+ UNLINK_IF_NECESSARY(header);
+ if (rename(tempfilename, header)) {
fprintf(stderr, "Error - Could not write %s: ", header);
perror(NULL);
- unlink(tmpfilename);
+ unlink(tempfilename);
exit(1);
}
}
- return(0);
+
+ return 0;
}
projects / coreboot.git / blobdiff