openkylin
/
platform_system_core
mirror of https://gitee.com/openkylin/platform_system_core.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

mkbootimg: make mkbootimg print image cksum to stdout 

used by the build system as a fingerprint for the image

Change-Id: Ifaf230b881e68d921a8158ed2e8a3ee41f27a4b3
This commit is contained in:
Andres Morales 2015-05-07 13:52:55 -07:00
parent f85f111620
commit 61fc195401
1 changed files with 54 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

88
mkbootimg/mkbootimg.c
View File

@ -21,6 +21,7 @@
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <stdbool.h>
#include "mincrypt/sha.h"
#include "bootimg.h"
@ -65,6 +66,7 @@ int usage(void)
" [ --board <boardname> ]\n"
" [ --base <address> ]\n"
" [ --pagesize <pagesize> ]\n"
" [ --id ]\n"
" -o|--output <filename>\n"
);
return 1;
@ -74,6 +76,14 @@ int usage(void)
static unsigned char padding[16384] = { 0, };
static void print_id(const uint8_t *id, size_t id_len) {
printf("0x");
for (unsigned i = 0; i < id_len; i++) {
printf("%02x", id[i]);
}
printf("\n");
}
int write_padding(int fd, unsigned pagesize, unsigned itemsize)
{
unsigned pagemask = pagesize - 1;
@ -121,42 +131,48 @@ int main(int argc, char **argv)
memset(&hdr, 0, sizeof(hdr));
bool get_id = false;
while(argc > 0){
char *arg = argv[0];
char *val = argv[1];
if(argc < 2) {
return usage();
}
argc -= 2;
argv += 2;
if(!strcmp(arg, "--output") || !strcmp(arg, "-o")) {
bootimg = val;
} else if(!strcmp(arg, "--kernel")) {
kernel_fn = val;
} else if(!strcmp(arg, "--ramdisk")) {
ramdisk_fn = val;
} else if(!strcmp(arg, "--second")) {
second_fn = val;
} else if(!strcmp(arg, "--cmdline")) {
cmdline = val;
} else if(!strcmp(arg, "--base")) {
base = strtoul(val, 0, 16);
} else if(!strcmp(arg, "--kernel_offset")) {
kernel_offset = strtoul(val, 0, 16);
} else if(!strcmp(arg, "--ramdisk_offset")) {
ramdisk_offset = strtoul(val, 0, 16);
} else if(!strcmp(arg, "--second_offset")) {
second_offset = strtoul(val, 0, 16);
} else if(!strcmp(arg, "--tags_offset")) {
tags_offset = strtoul(val, 0, 16);
} else if(!strcmp(arg, "--board")) {
board = val;
} else if(!strcmp(arg,"--pagesize")) {
pagesize = strtoul(val, 0, 10);
if ((pagesize != 2048) && (pagesize != 4096)
&& (pagesize != 8192) && (pagesize != 16384)) {
fprintf(stderr,"error: unsupported page size %d\n", pagesize);
return -1;
if (!strcmp(arg, "--id")) {
get_id = true;
argc -= 1;
argv += 1;
} else if(argc >= 2) {
char *val = argv[1];
argc -= 2;
argv += 2;
if(!strcmp(arg, "--output") || !strcmp(arg, "-o")) {
bootimg = val;
} else if(!strcmp(arg, "--kernel")) {
kernel_fn = val;
} else if(!strcmp(arg, "--ramdisk")) {
ramdisk_fn = val;
} else if(!strcmp(arg, "--second")) {
second_fn = val;
} else if(!strcmp(arg, "--cmdline")) {
cmdline = val;
} else if(!strcmp(arg, "--base")) {
base = strtoul(val, 0, 16);
} else if(!strcmp(arg, "--kernel_offset")) {
kernel_offset = strtoul(val, 0, 16);
} else if(!strcmp(arg, "--ramdisk_offset")) {
ramdisk_offset = strtoul(val, 0, 16);
} else if(!strcmp(arg, "--second_offset")) {
second_offset = strtoul(val, 0, 16);
} else if(!strcmp(arg, "--tags_offset")) {
tags_offset = strtoul(val, 0, 16);
} else if(!strcmp(arg, "--board")) {
board = val;
} else if(!strcmp(arg,"--pagesize")) {
pagesize = strtoul(val, 0, 10);
if ((pagesize != 2048) && (pagesize != 4096)
&& (pagesize != 8192) && (pagesize != 16384)) {
fprintf(stderr,"error: unsupported page size %d\n", pagesize);
return -1;
}
} else {
return usage();
}
} else {
return usage();
@ -266,6 +282,10 @@ int main(int argc, char **argv)
if(write_padding(fd, pagesize, hdr.second_size)) goto fail;
}
if (get_id) {
print_id(sha, sizeof(hdr.id));
}
return 0;
fail: