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-rw-r--r--qemu/dtc/util.c448
1 files changed, 0 insertions, 448 deletions
diff --git a/qemu/dtc/util.c b/qemu/dtc/util.c
deleted file mode 100644
index 3055c16e9..000000000
--- a/qemu/dtc/util.c
+++ /dev/null
@@ -1,448 +0,0 @@
-/*
- * Copyright 2011 The Chromium Authors, All Rights Reserved.
- * Copyright 2008 Jon Loeliger, Freescale Semiconductor, Inc.
- *
- * util_is_printable_string contributed by
- * Pantelis Antoniou <pantelis.antoniou AT gmail.com>
- *
- * 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 <ctype.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <assert.h>
-
-#include <errno.h>
-#include <fcntl.h>
-#include <unistd.h>
-
-#include "libfdt.h"
-#include "util.h"
-#include "version_gen.h"
-
-char *xstrdup(const char *s)
-{
- int len = strlen(s) + 1;
- char *dup = xmalloc(len);
-
- memcpy(dup, s, len);
-
- return dup;
-}
-
-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;
-}
-
-int util_is_printable_string(const void *data, int len)
-{
- const char *s = data;
- const char *ss, *se;
-
- /* zero length is not */
- if (len == 0)
- return 0;
-
- /* must terminate with zero */
- if (s[len - 1] != '\0')
- return 0;
-
- se = s + len;
-
- while (s < se) {
- ss = s;
- while (s < se && *s && isprint(*s))
- s++;
-
- /* not zero, or not done yet */
- if (*s != '\0' || s == ss)
- return 0;
-
- s++;
- }
-
- return 1;
-}
-
-/*
- * Parse a octal encoded character starting at index i in string s. The
- * resulting character will be returned and the index i will be updated to
- * point at the character directly after the end of the encoding, this may be
- * the '\0' terminator of the string.
- */
-static char get_oct_char(const char *s, int *i)
-{
- char x[4];
- char *endx;
- long val;
-
- x[3] = '\0';
- strncpy(x, s + *i, 3);
-
- val = strtol(x, &endx, 8);
-
- assert(endx > x);
-
- (*i) += endx - x;
- return val;
-}
-
-/*
- * Parse a hexadecimal encoded character starting at index i in string s. The
- * resulting character will be returned and the index i will be updated to
- * point at the character directly after the end of the encoding, this may be
- * the '\0' terminator of the string.
- */
-static char get_hex_char(const char *s, int *i)
-{
- char x[3];
- char *endx;
- long val;
-
- x[2] = '\0';
- strncpy(x, s + *i, 2);
-
- val = strtol(x, &endx, 16);
- if (!(endx > x))
- die("\\x used with no following hex digits\n");
-
- (*i) += endx - x;
- return val;
-}
-
-char get_escape_char(const char *s, int *i)
-{
- char c = s[*i];
- int j = *i + 1;
- char val;
-
- assert(c);
- switch (c) {
- case 'a':
- val = '\a';
- break;
- case 'b':
- val = '\b';
- break;
- case 't':
- val = '\t';
- break;
- case 'n':
- val = '\n';
- break;
- case 'v':
- val = '\v';
- break;
- case 'f':
- val = '\f';
- break;
- case 'r':
- val = '\r';
- break;
- case '0':
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- j--; /* need to re-read the first digit as
- * part of the octal value */
- val = get_oct_char(s, &j);
- break;
- case 'x':
- val = get_hex_char(s, &j);
- break;
- default:
- val = c;
- }
-
- (*i) = j;
- return val;
-}
-
-int utilfdt_read_err_len(const char *filename, char **buffp, off_t *len)
-{
- int fd = 0; /* assume stdin */
- char *buf = NULL;
- off_t bufsize = 1024, offset = 0;
- int ret = 0;
-
- *buffp = NULL;
- if (strcmp(filename, "-") != 0) {
- fd = open(filename, O_RDONLY);
- if (fd < 0)
- return errno;
- }
-
- /* Loop until we have read everything */
- buf = xmalloc(bufsize);
- do {
- /* Expand the buffer to hold the next chunk */
- if (offset == bufsize) {
- bufsize *= 2;
- buf = xrealloc(buf, bufsize);
- if (!buf) {
- ret = ENOMEM;
- break;
- }
- }
-
- ret = read(fd, &buf[offset], bufsize - offset);
- if (ret < 0) {
- ret = errno;
- break;
- }
- offset += ret;
- } while (ret != 0);
-
- /* Clean up, including closing stdin; return errno on error */
- close(fd);
- if (ret)
- free(buf);
- else
- *buffp = buf;
- *len = bufsize;
- return ret;
-}
-
-int utilfdt_read_err(const char *filename, char **buffp)
-{
- off_t len;
- return utilfdt_read_err_len(filename, buffp, &len);
-}
-
-char *utilfdt_read_len(const char *filename, off_t *len)
-{
- char *buff;
- int ret = utilfdt_read_err_len(filename, &buff, len);
-
- if (ret) {
- fprintf(stderr, "Couldn't open blob from '%s': %s\n", filename,
- strerror(ret));
- return NULL;
- }
- /* Successful read */
- return buff;
-}
-
-char *utilfdt_read(const char *filename)
-{
- off_t len;
- return utilfdt_read_len(filename, &len);
-}
-
-int utilfdt_write_err(const char *filename, const void *blob)
-{
- int fd = 1; /* assume stdout */
- int totalsize;
- int offset;
- int ret = 0;
- const char *ptr = blob;
-
- if (strcmp(filename, "-") != 0) {
- fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0666);
- if (fd < 0)
- return errno;
- }
-
- totalsize = fdt_totalsize(blob);
- offset = 0;
-
- while (offset < totalsize) {
- ret = write(fd, ptr + offset, totalsize - offset);
- if (ret < 0) {
- ret = -errno;
- break;
- }
- offset += ret;
- }
- /* Close the file/stdin; return errno on error */
- if (fd != 1)
- close(fd);
- return ret < 0 ? -ret : 0;
-}
-
-
-int utilfdt_write(const char *filename, const void *blob)
-{
- int ret = utilfdt_write_err(filename, blob);
-
- if (ret) {
- fprintf(stderr, "Couldn't write blob to '%s': %s\n", filename,
- strerror(ret));
- }
- return ret ? -1 : 0;
-}
-
-int utilfdt_decode_type(const char *fmt, int *type, int *size)
-{
- int qualifier = 0;
-
- if (!*fmt)
- return -1;
-
- /* get the conversion qualifier */
- *size = -1;
- if (strchr("hlLb", *fmt)) {
- qualifier = *fmt++;
- if (qualifier == *fmt) {
- switch (*fmt++) {
-/* TODO: case 'l': qualifier = 'L'; break;*/
- case 'h':
- qualifier = 'b';
- break;
- }
- }
- }
-
- /* we should now have a type */
- if ((*fmt == '\0') || !strchr("iuxs", *fmt))
- return -1;
-
- /* convert qualifier (bhL) to byte size */
- if (*fmt != 's')
- *size = qualifier == 'b' ? 1 :
- qualifier == 'h' ? 2 :
- qualifier == 'l' ? 4 : -1;
- *type = *fmt++;
-
- /* that should be it! */
- if (*fmt)
- return -1;
- return 0;
-}
-
-void utilfdt_print_data(const char *data, int len)
-{
- int i;
- const char *p = data;
- const char *s;
-
- /* no data, don't print */
- if (len == 0)
- return;
-
- if (util_is_printable_string(data, len)) {
- printf(" = ");
-
- s = data;
- do {
- printf("\"%s\"", s);
- s += strlen(s) + 1;
- if (s < data + len)
- printf(", ");
- } while (s < data + len);
-
- } else if ((len % 4) == 0) {
- const uint32_t *cell = (const uint32_t *)data;
-
- printf(" = <");
- for (i = 0; i < len; i += 4)
- printf("0x%08x%s", fdt32_to_cpu(cell[i]),
- i < (len - 4) ? " " : "");
- printf(">");
- } else {
- printf(" = [");
- for (i = 0; i < len; i++)
- printf("%02x%s", *p++, i < len - 1 ? " " : "");
- printf("]");
- }
-}
-
-void util_version(void)
-{
- printf("Version: %s\n", DTC_VERSION);
- exit(0);
-}
-
-void util_usage(const char *errmsg, const char *synopsis,
- const char *short_opts, struct option const long_opts[],
- const char * const opts_help[])
-{
- FILE *fp = errmsg ? stderr : stdout;
- const char a_arg[] = "<arg>";
- size_t a_arg_len = strlen(a_arg) + 1;
- size_t i;
- int optlen;
-
- fprintf(fp,
- "Usage: %s\n"
- "\n"
- "Options: -[%s]\n", synopsis, short_opts);
-
- /* prescan the --long opt length to auto-align */
- optlen = 0;
- for (i = 0; long_opts[i].name; ++i) {
- /* +1 is for space between --opt and help text */
- int l = strlen(long_opts[i].name) + 1;
- if (long_opts[i].has_arg == a_argument)
- l += a_arg_len;
- if (optlen < l)
- optlen = l;
- }
-
- for (i = 0; long_opts[i].name; ++i) {
- /* helps when adding new applets or options */
- assert(opts_help[i] != NULL);
-
- /* first output the short flag if it has one */
- if (long_opts[i].val > '~')
- fprintf(fp, " ");
- else
- fprintf(fp, " -%c, ", long_opts[i].val);
-
- /* then the long flag */
- if (long_opts[i].has_arg == no_argument)
- fprintf(fp, "--%-*s", optlen, long_opts[i].name);
- else
- fprintf(fp, "--%s %s%*s", long_opts[i].name, a_arg,
- (int)(optlen - strlen(long_opts[i].name) - a_arg_len), "");
-
- /* finally the help text */
- fprintf(fp, "%s\n", opts_help[i]);
- }
-
- if (errmsg) {
- fprintf(fp, "\nError: %s\n", errmsg);
- exit(EXIT_FAILURE);
- } else
- exit(EXIT_SUCCESS);
-}