mirror of
https://github.com/Telecominfraproject/OpenCellular.git
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0c3ba249ab
This reduces the number of exported header files to the minimum needed by
the existing userspace utilities and firmware implementations.
BUG=chromium:221544
BRANCH=none
TEST=manual, trybots
CQ-DEPEND=CL:47019,CL:47022,CL:47023
sudo FEATURES=test emerge vboot_reference
FEATURES=test emerge-$BOARD \
vboot_reference \
chromeos-cryptohome \
chromeos-installer \
chromeos-u-boot \
peach-u-boot \
depthcharge
Change-Id: I2946cc2dbaf5459a6c5eca92ca57d546498e6d85
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/47021
Reviewed-by: Randall Spangler <rspangler@chromium.org>
90 lines
1.9 KiB
C
90 lines
1.9 KiB
C
/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Exports the kernel commandline from a given partition/image.
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*/
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#include <getopt.h>
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#include <stdio.h>
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#include <sys/mman.h>
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#include <unistd.h>
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#include "vboot_host.h"
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enum {
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OPT_KLOADADDR = 1000,
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};
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static struct option long_opts[] = {
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{ "kloadaddr", 1, NULL, OPT_KLOADADDR },
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{ NULL, 0, NULL, 0 }
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};
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/* Print help and return error */
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static int PrintHelp(void) {
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puts("dump_kernel_config - Prints the kernel command line\n"
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"\n"
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"Usage: dump_kernel_config [--kloadaddr <ADDRESS>] "
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"<image/blockdevice>\n"
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"\n"
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"");
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return 1;
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}
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int main(int argc, char* argv[]) {
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char *infile = NULL;
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char *config = NULL;
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uint64_t kernel_body_load_address = USE_PREAMBLE_LOAD_ADDR;
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int parse_error = 0;
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char *e;
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int i;
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while (((i = getopt_long(argc, argv, ":", long_opts, NULL)) != -1) &&
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!parse_error) {
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switch (i) {
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default:
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case '?':
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/* Unhandled option */
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parse_error = 1;
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break;
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case 0:
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/* silently handled option */
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break;
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case OPT_KLOADADDR:
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kernel_body_load_address = strtoul(optarg, &e, 0);
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if (!*optarg || (e && *e)) {
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fprintf(stderr, "Invalid --kloadaddr\n");
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parse_error = 1;
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}
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break;
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}
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}
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if (optind >= argc) {
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fprintf(stderr, "Expected argument after options\n");
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parse_error = 1;
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} else
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infile = argv[optind];
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if (parse_error)
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return PrintHelp();
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if (!infile || !*infile) {
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fprintf(stderr, "Must specify filename\n");
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return 1;
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}
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config = FindKernelConfig(infile, kernel_body_load_address);
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if (!config)
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return 1;
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printf("%s", config);
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free(config);
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return 0;
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}
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