[POWERPC] Merge dtc upstream source
This incorporates a copy of dtc into the kernel source, in arch/powerpc/boot/dtc-src. This commit only imports the upstream sources verbatim, a later commit will actually link it into the kernel Makefiles and use the embedded code during the kernel build. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
David Gibson
committed by
Paul Mackerras
Paul Mackerras
parent
70e47528aa
commit
a4da2e3ec8
231
arch/powerpc/boot/dtc-src/dtc.c
Normal file
231
arch/powerpc/boot/dtc-src/dtc.c
Normal file
@@ -0,0 +1,231 @@
|
||||
/*
|
||||
* (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
|
||||
*
|
||||
*
|
||||
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
|
||||
* USA
|
||||
*/
|
||||
|
||||
#include "dtc.h"
|
||||
#include "srcpos.h"
|
||||
|
||||
#include "version_gen.h"
|
||||
|
||||
/*
|
||||
* Command line options
|
||||
*/
|
||||
int quiet; /* Level of quietness */
|
||||
int reservenum; /* Number of memory reservation slots */
|
||||
int minsize; /* Minimum blob size */
|
||||
int padsize; /* Additional padding to blob */
|
||||
|
||||
char *join_path(const char *path, const char *name)
|
||||
{
|
||||
int lenp = strlen(path);
|
||||
int lenn = strlen(name);
|
||||
int len;
|
||||
int needslash = 1;
|
||||
char *str;
|
||||
|
||||
len = lenp + lenn + 2;
|
||||
if ((lenp > 0) && (path[lenp-1] == '/')) {
|
||||
needslash = 0;
|
||||
len--;
|
||||
}
|
||||
|
||||
str = xmalloc(len);
|
||||
memcpy(str, path, lenp);
|
||||
if (needslash) {
|
||||
str[lenp] = '/';
|
||||
lenp++;
|
||||
}
|
||||
memcpy(str+lenp, name, lenn+1);
|
||||
return str;
|
||||
}
|
||||
|
||||
void fill_fullpaths(struct node *tree, const char *prefix)
|
||||
{
|
||||
struct node *child;
|
||||
const char *unit;
|
||||
|
||||
tree->fullpath = join_path(prefix, tree->name);
|
||||
|
||||
unit = strchr(tree->name, '@');
|
||||
if (unit)
|
||||
tree->basenamelen = unit - tree->name;
|
||||
else
|
||||
tree->basenamelen = strlen(tree->name);
|
||||
|
||||
for_each_child(tree, child)
|
||||
fill_fullpaths(child, tree->fullpath);
|
||||
}
|
||||
|
||||
static void __attribute__ ((noreturn)) usage(void)
|
||||
{
|
||||
fprintf(stderr, "Usage:\n");
|
||||
fprintf(stderr, "\tdtc [options] <input file>\n");
|
||||
fprintf(stderr, "\nOptions:\n");
|
||||
fprintf(stderr, "\t-h\n");
|
||||
fprintf(stderr, "\t\tThis help text\n");
|
||||
fprintf(stderr, "\t-q\n");
|
||||
fprintf(stderr, "\t\tQuiet: -q suppress warnings, -qq errors, -qqq all\n");
|
||||
fprintf(stderr, "\t-I <input format>\n");
|
||||
fprintf(stderr, "\t\tInput formats are:\n");
|
||||
fprintf(stderr, "\t\t\tdts - device tree source text\n");
|
||||
fprintf(stderr, "\t\t\tdtb - device tree blob\n");
|
||||
fprintf(stderr, "\t\t\tfs - /proc/device-tree style directory\n");
|
||||
fprintf(stderr, "\t-o <output file>\n");
|
||||
fprintf(stderr, "\t-O <output format>\n");
|
||||
fprintf(stderr, "\t\tOutput formats are:\n");
|
||||
fprintf(stderr, "\t\t\tdts - device tree source text\n");
|
||||
fprintf(stderr, "\t\t\tdtb - device tree blob\n");
|
||||
fprintf(stderr, "\t\t\tasm - assembler source\n");
|
||||
fprintf(stderr, "\t-V <output version>\n");
|
||||
fprintf(stderr, "\t\tBlob version to produce, defaults to %d (relevant for dtb\n\t\tand asm output only)\n", DEFAULT_FDT_VERSION);
|
||||
fprintf(stderr, "\t-R <number>\n");
|
||||
fprintf(stderr, "\t\tMake space for <number> reserve map entries (relevant for \n\t\tdtb and asm output only)\n");
|
||||
fprintf(stderr, "\t-S <bytes>\n");
|
||||
fprintf(stderr, "\t\tMake the blob at least <bytes> long (extra space)\n");
|
||||
fprintf(stderr, "\t-p <bytes>\n");
|
||||
fprintf(stderr, "\t\tAdd padding to the blob of <bytes> long (extra space)\n");
|
||||
fprintf(stderr, "\t-b <number>\n");
|
||||
fprintf(stderr, "\t\tSet the physical boot cpu\n");
|
||||
fprintf(stderr, "\t-f\n");
|
||||
fprintf(stderr, "\t\tForce - try to produce output even if the input tree has errors\n");
|
||||
fprintf(stderr, "\t-v\n");
|
||||
fprintf(stderr, "\t\tPrint DTC version and exit\n");
|
||||
exit(2);
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
struct boot_info *bi;
|
||||
const char *inform = "dts";
|
||||
const char *outform = "dts";
|
||||
const char *outname = "-";
|
||||
int force = 0, check = 0;
|
||||
const char *arg;
|
||||
int opt;
|
||||
FILE *inf = NULL;
|
||||
FILE *outf = NULL;
|
||||
int outversion = DEFAULT_FDT_VERSION;
|
||||
int boot_cpuid_phys = 0xfeedbeef;
|
||||
|
||||
quiet = 0;
|
||||
reservenum = 0;
|
||||
minsize = 0;
|
||||
padsize = 0;
|
||||
|
||||
while ((opt = getopt(argc, argv, "hI:O:o:V:R:S:p:fcqb:v")) != EOF) {
|
||||
switch (opt) {
|
||||
case 'I':
|
||||
inform = optarg;
|
||||
break;
|
||||
case 'O':
|
||||
outform = optarg;
|
||||
break;
|
||||
case 'o':
|
||||
outname = optarg;
|
||||
break;
|
||||
case 'V':
|
||||
outversion = strtol(optarg, NULL, 0);
|
||||
break;
|
||||
case 'R':
|
||||
reservenum = strtol(optarg, NULL, 0);
|
||||
break;
|
||||
case 'S':
|
||||
minsize = strtol(optarg, NULL, 0);
|
||||
break;
|
||||
case 'p':
|
||||
padsize = strtol(optarg, NULL, 0);
|
||||
break;
|
||||
case 'f':
|
||||
force = 1;
|
||||
break;
|
||||
case 'c':
|
||||
check = 1;
|
||||
break;
|
||||
case 'q':
|
||||
quiet++;
|
||||
break;
|
||||
case 'b':
|
||||
boot_cpuid_phys = strtol(optarg, NULL, 0);
|
||||
break;
|
||||
case 'v':
|
||||
printf("Version: %s\n", DTC_VERSION);
|
||||
exit(0);
|
||||
case 'h':
|
||||
default:
|
||||
usage();
|
||||
}
|
||||
}
|
||||
|
||||
if (argc > (optind+1))
|
||||
usage();
|
||||
else if (argc < (optind+1))
|
||||
arg = "-";
|
||||
else
|
||||
arg = argv[optind];
|
||||
|
||||
/* minsize and padsize are mutually exclusive */
|
||||
if ((minsize) && (padsize)) {
|
||||
die("Can't set both -p and -S\n");
|
||||
}
|
||||
|
||||
fprintf(stderr, "DTC: %s->%s on file \"%s\"\n",
|
||||
inform, outform, arg);
|
||||
|
||||
if (streq(inform, "dts")) {
|
||||
bi = dt_from_source(arg);
|
||||
} else if (streq(inform, "fs")) {
|
||||
bi = dt_from_fs(arg);
|
||||
} else if(streq(inform, "dtb")) {
|
||||
inf = dtc_open_file(arg);
|
||||
bi = dt_from_blob(inf);
|
||||
} else {
|
||||
die("Unknown input format \"%s\"\n", inform);
|
||||
}
|
||||
|
||||
if (inf && (inf != stdin))
|
||||
fclose(inf);
|
||||
|
||||
if (! bi || ! bi->dt)
|
||||
die("Couldn't read input tree\n");
|
||||
|
||||
process_checks(force, bi, check, outversion, boot_cpuid_phys);
|
||||
|
||||
if (streq(outname, "-")) {
|
||||
outf = stdout;
|
||||
} else {
|
||||
outf = fopen(outname, "w");
|
||||
if (! outf)
|
||||
die("Couldn't open output file %s: %s\n",
|
||||
outname, strerror(errno));
|
||||
}
|
||||
|
||||
if (streq(outform, "dts")) {
|
||||
dt_to_source(outf, bi);
|
||||
} else if (streq(outform, "dtb")) {
|
||||
dt_to_blob(outf, bi, outversion, boot_cpuid_phys);
|
||||
} else if (streq(outform, "asm")) {
|
||||
dt_to_asm(outf, bi, outversion, boot_cpuid_phys);
|
||||
} else if (streq(outform, "null")) {
|
||||
/* do nothing */
|
||||
} else {
|
||||
die("Unknown output format \"%s\"\n", outform);
|
||||
}
|
||||
|
||||
exit(0);
|
||||
}
|
||||
Reference in New Issue
Block a user