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Add high compression ramdisk support

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topjohnwu
2017-12-06 12:51:16 +08:00
parent 742dc137ed
commit 9f6a27c20d
15 changed files with 231 additions and 138 deletions
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34
core/jni/magiskboot/main.c
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@ -17,16 +17,21 @@ static void usage(char *arg0) {
"Usage: %s <action> [args...]\n"
"\n"
"Supported actions:\n"
" --parse <bootimg>\n"
" Parse <bootimg> only, do not unpack. Return value: \n"
" 0:OK 1:error 2:insufficient boot partition size\n"
" 3:chromeos 4:ELF32 5:ELF64\n"
"\n"
" --unpack <bootimg>\n"
" Unpack <bootimg> to kernel, ramdisk.cpio, (second), (dtb), (extra) into\n"
" the current directory\n"
" the current directory. Return value is the same as parse command\n"
"\n"
" --repack <origbootimg> [outbootimg]\n"
" Repack kernel, ramdisk.cpio[.ext], second, dtb... from current directory\n"
" to [outbootimg], or new-boot.img if not specified.\n"
" It will compress ramdisk.cpio with the same method used in <origbootimg>\n"
" if exists, or attempt to find ramdisk.cpio.[ext], and repack\n"
" directly with the compressed ramdisk file\n"
" It will compress ramdisk.cpio with the same method used in <origbootimg>,\n"
" or attempt to find ramdisk.cpio.[ext], and repack directly with the\n"
" compressed ramdisk file\n"
"\n"
" --hexpatch <file> <hexpattern1> <hexpattern2>\n"
" Search <hexpattern1> in <file>, and replace with <hexpattern2>\n"
@ -40,18 +45,19 @@ static void usage(char *arg0) {
" Create directory as an <entry>\n"
" -ln <target> <entry>\n"
" Create symlink <entry> to point to <target>\n"
" -add <mode> <entry> <infile>\n"
" Add <infile> as an <entry>; replaces <entry> if already exists\n"
" -mv <from-entry> <to-entry>\n"
" Move <from-entry> to <to-entry>\n"
" -add <mode> <entry> <infile>\n"
" Add <infile> as an <entry>; replaces <entry> if already exists\n"
" -extract [<entry> <outfile>]\n"
" Extract <entry> to <outfile>, or extract all to current directory\n"
" -test\n"
" Return value: 0/stock 1/Magisk 2/other (phh, SuperSU, Xposed)\n"
" -patch <KEEPVERITY> <KEEPFORCEENCRYPT>\n"
" Patch cpio for Magisk. KEEP**** are true/false values\n"
" -backup <origcpio> [SHA1]\n"
" Patch cpio for Magisk. KEEP**** are boolean values\n"
" -backup <origcpio> <HIGH_COMP> [SHA1]\n"
" Create ramdisk backups into <incpio> from <origcpio>\n"
" HIGH_COMP is a boolean value, toggles high compression mode\n"
" SHA1 of stock boot image is optional\n"
" -restore\n"
" Restore ramdisk from ramdisk backup within <incpio>\n"
@ -63,6 +69,9 @@ static void usage(char *arg0) {
" Supported commands:\n"
" -dump\n"
" Dump all contents from dtb for debugging\n"
" -test\n"
" Check if fstab has verity/avb flags\n"
" Return value: 0/no flags 1/flag exists"
" -patch\n"
" Search for fstab and remove verity/avb\n"
"\n"
@ -74,8 +83,7 @@ static void usage(char *arg0) {
for (int i = 0; SUP_LIST[i]; ++i)
fprintf(stderr, "%s ", SUP_LIST[i]);
fprintf(stderr,
"\n"
"\n"
"\n\n"
" --decompress <infile> [outfile]\n"
" Detect method and decompress <infile>, optionally to [outfile]\n"
" <infile>/[outfile] can be '-' to be STDIN/STDOUT\n"
@ -83,8 +91,7 @@ static void usage(char *arg0) {
for (int i = 0; SUP_LIST[i]; ++i)
fprintf(stderr, "%s ", SUP_LIST[i]);
fprintf(stderr,
"\n"
"\n"
"\n\n"
" --sha1 <file>\n"
" Print the SHA1 checksum for <file>\n"
"\n"
@ -121,6 +128,9 @@ int main(int argc, char *argv[]) {
printf("%02x", sha1[i]);
printf("\n");
munmap(buf, size);
} else if (argc > 2 && strcmp(argv[1], "--parse") == 0) {
boot_img boot;
exit(parse_img(argv[2], &boot));
} else if (argc > 2 && strcmp(argv[1], "--unpack") == 0) {
unpack(argv[2]);
} else if (argc > 2 && strcmp(argv[1], "--repack") == 0) {