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-rw-r--r--applypatch/Android.mk8
-rw-r--r--applypatch/applypatch.c42
2 files changed, 46 insertions, 4 deletions
diff --git a/applypatch/Android.mk b/applypatch/Android.mk
index a146dfa82..98981a6d9 100644
--- a/applypatch/Android.mk
+++ b/applypatch/Android.mk
@@ -15,6 +15,14 @@
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
+BOARD_RECOVERY_DEFINES := BOARD_BML_BOOT BOARD_BML_RECOVERY
+
+$(foreach board_define,$(BOARD_RECOVERY_DEFINES), \
+ $(if $($(board_define)), \
+ $(eval LOCAL_CFLAGS += -D$(board_define)=\"$($(board_define))\") \
+ ) \
+ )
+
LOCAL_SRC_FILES := applypatch.c bspatch.c freecache.c imgpatch.c utils.c
LOCAL_MODULE := libapplypatch
LOCAL_MODULE_TAGS := eng
diff --git a/applypatch/applypatch.c b/applypatch/applypatch.c
index 6b8da2a8a..b5ff12c80 100644
--- a/applypatch/applypatch.c
+++ b/applypatch/applypatch.c
@@ -27,6 +27,7 @@
#include "mincrypt/sha.h"
#include "applypatch.h"
+#include "bmlutils/bmlutils.h"
#include "mtdutils/mtdutils.h"
#include "edify/expr.h"
@@ -57,7 +58,8 @@ int LoadFileContents(const char* filename, FileContents* file,
// A special 'filename' beginning with "MTD:" or "EMMC:" means to
// load the contents of a partition.
if (strncmp(filename, "MTD:", 4) == 0 ||
- strncmp(filename, "EMMC:", 5) == 0) {
+ strncmp(filename, "EMMC:", 5) == 0 ||
+ strncmp(filename, "BML:", 4) == 0) {
return LoadPartitionContents(filename, file);
}
@@ -147,6 +149,8 @@ static int LoadPartitionContents(const char* filename, FileContents* file) {
type = MTD;
} else if (strcmp(magic, "EMMC") == 0) {
type = EMMC;
+ } else if (strcmp(magic, "BML") == 0) {
+ type = EMMC;
} else {
printf("LoadPartitionContents called with bad filename (%s)\n",
filename);
@@ -154,6 +158,14 @@ static int LoadPartitionContents(const char* filename, FileContents* file) {
}
const char* partition = strtok(NULL, ":");
+ if (strcmp(magic, "BML") == 0) {
+ if (strcmp(partition, "boot") == 0) {
+ partition = BOARD_BML_BOOT;
+ } else if (strcmp(partition, "recovery") == 0) {
+ partition = BOARD_BML_RECOVERY;
+ }
+ }
+
int i;
int colons = 0;
for (i = 0; filename[i] != '\0'; ++i) {
@@ -368,12 +380,31 @@ int WriteToPartition(unsigned char* data, size_t len,
type = MTD;
} else if (strcmp(magic, "EMMC") == 0) {
type = EMMC;
+ } else if (strcmp(magic, "BML") == 0) {
+ type = EMMC;
} else {
printf("WriteToPartition called with bad target (%s)\n", target);
return -1;
}
const char* partition = strtok(NULL, ":");
+ if (strcmp(magic, "BML") == 0) {
+ if (strcmp(partition, "boot") == 0) {
+ partition = BOARD_BML_BOOT;
+ } else if (strcmp(partition, "recovery") == 0) {
+ partition = BOARD_BML_RECOVERY;
+ }
+
+ int bmlpartition = open(partition, O_RDWR | O_LARGEFILE);
+ if (bmlpartition < 0)
+ return -1;
+ if (ioctl(bmlpartition, BML_UNLOCK_ALL, 0)) {
+ printf("failed to unlock BML partition: (%s)\n", partition);
+ return -1;
+ }
+ close(bmlpartition);
+ }
+
if (partition == NULL) {
printf("bad partition target name \"%s\"\n", target);
return -1;
@@ -845,7 +876,8 @@ static int GenerateTarget(FileContents* source_file,
// file?
if (strncmp(target_filename, "MTD:", 4) == 0 ||
- strncmp(target_filename, "EMMC:", 5) == 0) {
+ strncmp(target_filename, "EMMC:", 5) == 0 ||
+ strncmp(target_filename, "BML:", 4) == 0) {
// If the target is a partition, we're actually going to
// write the output to /tmp and then copy it to the
// partition. statfs() always returns 0 blocks free for
@@ -887,7 +919,8 @@ static int GenerateTarget(FileContents* source_file,
// location.
if (strncmp(source_filename, "MTD:", 4) == 0 ||
- strncmp(source_filename, "EMMC:", 5) == 0) {
+ strncmp(source_filename, "EMMC:", 5) == 0 ||
+ strncmp(source_filename, "BML:", 4) == 0) {
// It's impossible to free space on the target filesystem by
// deleting the source if the source is a partition. If
// we're ever in a state where we need to do this, fail.
@@ -932,7 +965,8 @@ static int GenerateTarget(FileContents* source_file,
output = -1;
outname = NULL;
if (strncmp(target_filename, "MTD:", 4) == 0 ||
- strncmp(target_filename, "EMMC:", 5) == 0) {
+ strncmp(target_filename, "EMMC:", 5) == 0 ||
+ strncmp(target_filename, "BML:", 4) == 0) {
// We store the decoded output in memory.
msi.buffer = malloc(target_size);
if (msi.buffer == NULL) {