android/android_bootable_recovery
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supprot backup and restore of samsung kernels

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Change-Id: I6deb5918f97ca5c5466b1d78369454b3452b89c0
This commit is contained in:
Koushik Dutta 2010-12-12 12:24:02 -08:00
parent cd8af06d64
commit 03a4f5ba0d
2 changed files with 32 additions and 8 deletions
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2
Android.mk
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@ -39,7 +39,7 @@ LOCAL_MODULE := recovery
LOCAL_FORCE_STATIC_EXECUTABLE := true
RECOVERY_VERSION := ClockworkMod Recovery v2.5.1.4
RECOVERY_VERSION := ClockworkMod Recovery v2.5.1.5
LOCAL_CFLAGS += -DRECOVERY_VERSION="$(RECOVERY_VERSION)"
RECOVERY_API_VERSION := 2
LOCAL_CFLAGS += -DRECOVERY_API_VERSION=$(RECOVERY_API_VERSION)

38
bmlutils/bmlutils.c
View File

@ -25,13 +25,37 @@ extern int __system(const char *command);
int cmd_bml_restore_raw_partition(const char *partition, const char *filename)
{
printf("bml restore\n");
int fd = open("/dev/block/bml7", O_RDWR | O_LARGEFILE);
ioctl(fd, BML_UNLOCK_ALL, 0);
char tmp[PATH_MAX];
sprintf("dd if=%s of=/dev/block/bml7 bs=4096", filename);
return __system(tmp);
char *bml;
if (strcmp(partition, "boot") == 0 || strcmp(partition, "recovery") == 0)
bml = "/dev/block/bml7";
else
return 6;
char buf[4096];
int dstfd, srcfd, bytes_read, bytes_written, total_read = 0;
if (filename == NULL)
srcfd = 0;
else {
srcfd = open(filename, O_RDONLY | O_LARGEFILE);
if (srcfd < 0)
return 2;
}
dstfd = open(bml, O_RDWR | O_LARGEFILE);
if (dstfd < 0)
return 3;
if (ioctl(dstfd, BML_UNLOCK_ALL, 0))
return 4;
do {
total_read += bytes_read = read(srcfd, buf, 4096);
if (!bytes_read)
break;
if (bytes_read < 4096)
memset(&buf[bytes_read], 0, 4096 - bytes_read);
if (write(dstfd, buf, 4096) < 4096)
return 5;
} while(bytes_read == 4096);
return 0;
}
int cmd_bml_backup_raw_partition(const char *partition, const char *filename)