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-rw-r--r--Android.mk4
-rw-r--r--bootloader_message/bootloader_message.cpp5
-rw-r--r--bootloader_message/include/bootloader_message/bootloader_message.h5
-rw-r--r--updater/install.cpp3
4 files changed, 12 insertions, 5 deletions
diff --git a/Android.mk b/Android.mk
index 8189ffae3..d6a318ba5 100644
--- a/Android.mk
+++ b/Android.mk
@@ -602,10 +602,6 @@ ifeq ($(AB_OTA_UPDATER),true)
LOCAL_CFLAGS += -DAB_OTA_UPDATER=1
endif
-ifneq ($(BOARD_RECOVERY_BLDRMSG_OFFSET),)
- LOCAL_CFLAGS += -DBOARD_RECOVERY_BLDRMSG_OFFSET=$(BOARD_RECOVERY_BLDRMSG_OFFSET)
-endif
-
include $(BUILD_SHARED_LIBRARY)
# All the APIs for testing
diff --git a/bootloader_message/bootloader_message.cpp b/bootloader_message/bootloader_message.cpp
index 4d1ce5bb4..449f40e11 100644
--- a/bootloader_message/bootloader_message.cpp
+++ b/bootloader_message/bootloader_message.cpp
@@ -159,7 +159,10 @@ static bool write_misc_partition(const void* p, size_t size, size_t offset, std:
*err = "no misc device set";
return false;
}
- int fd = (open(misc_blk_device.c_str(), O_WRONLY | O_SYNC));
+ int open_flags = O_WRONLY | O_SYNC;
+ if (offset > 0)
+ open_flags = O_RDWR | O_APPEND | O_SYNC;
+ int fd = (open(misc_blk_device.c_str(), open_flags));
if (fd == -1) {
*err = "failed to open " + misc_blk_device + ": ";
*err += strerror(errno);
diff --git a/bootloader_message/include/bootloader_message/bootloader_message.h b/bootloader_message/include/bootloader_message/bootloader_message.h
index 52d733105..e0fc2cd8a 100644
--- a/bootloader_message/include/bootloader_message/bootloader_message.h
+++ b/bootloader_message/include/bootloader_message/bootloader_message.h
@@ -25,8 +25,13 @@
// 16K - 64K Used by uncrypt and recovery to store wipe_package for A/B devices
// Note that these offsets are admitted by bootloader,recovery and uncrypt, so they
// are not configurable without changing all of them.
+#ifdef BOARD_RECOVERY_BLDRMSG_OFFSET
+static const size_t BOOTLOADER_MESSAGE_OFFSET_IN_MISC = BOARD_RECOVERY_BLDRMSG_OFFSET;
+static const size_t WIPE_PACKAGE_OFFSET_IN_MISC = 16 * 1024 + BOOTLOADER_MESSAGE_OFFSET_IN_MISC;
+#else
static const size_t BOOTLOADER_MESSAGE_OFFSET_IN_MISC = 0;
static const size_t WIPE_PACKAGE_OFFSET_IN_MISC = 16 * 1024;
+#endif
/* Bootloader Message
*
diff --git a/updater/install.cpp b/updater/install.cpp
index b17c34fb2..d4ae64ee5 100644
--- a/updater/install.cpp
+++ b/updater/install.cpp
@@ -1456,6 +1456,7 @@ Value* RebootNowFn(const char* name, State* state, int argc, Expr* argv[]) {
memset(buffer, 0, sizeof(((struct bootloader_message*)0)->command));
FILE* f = fopen(filename, "r+b");
fseek(f, offsetof(struct bootloader_message, command), SEEK_SET);
+ fseek(f, BOOTLOADER_MESSAGE_OFFSET_IN_MISC, SEEK_CUR);
ota_fwrite(buffer, sizeof(((struct bootloader_message*)0)->command), 1, f);
fclose(f);
free(filename);
@@ -1498,6 +1499,7 @@ Value* SetStageFn(const char* name, State* state, int argc, Expr* argv[]) {
// package installation.
FILE* f = fopen(filename, "r+b");
fseek(f, offsetof(struct bootloader_message, stage), SEEK_SET);
+ fseek(f, BOOTLOADER_MESSAGE_OFFSET_IN_MISC, SEEK_CUR);
int to_write = strlen(stagestr)+1;
int max_size = sizeof(((struct bootloader_message*)0)->stage);
if (to_write > max_size) {
@@ -1524,6 +1526,7 @@ Value* GetStageFn(const char* name, State* state, int argc, Expr* argv[]) {
char buffer[sizeof(((struct bootloader_message*)0)->stage)];
FILE* f = fopen(filename, "rb");
fseek(f, offsetof(struct bootloader_message, stage), SEEK_SET);
+ fseek(f, BOOTLOADER_MESSAGE_OFFSET_IN_MISC, SEEK_CUR);
ota_fread(buffer, sizeof(buffer), 1, f);
fclose(f);
buffer[sizeof(buffer)-1] = '\0';