Snap for 11491255 from 63c87a21b2ec34b79465bc70c38b5be81c57d424 to 24Q2-release (5880e9e9) · Commits · e / os / android_bootable_recovery

bootloader_message/misctrl_main.cpp

+14 −27

Original line number	Diff line number	Diff line
		@@ -13,6 +13,7 @@
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/
		#include <android-base/logging.h>
		#include <android-base/properties.h>
		#include <bootloader_message/bootloader_message.h>
		#include <log/log.h>
		@@ -21,32 +22,16 @@

		#include <cstdio>

		static void log(const char* fmt, ...) __attribute__((format(printf, 1, 2)));
		static void log(const char* fmt, ...) {
		va_list va;
		va_start(va, fmt);

		va_list vb;
		va_copy(vb, va);

		__android_log_vprint(ANDROID_LOG_ERROR, "misctrl", fmt, va);
		va_end(va);

		vfprintf(stderr, fmt, vb);
		fprintf(stderr, "\n");
		va_end(vb);
		}

		static int check_control_message() {
		misc_control_message m;
		std::string err;
		if (!ReadMiscControlMessage(&m, &err)) {
		log("Could not read misctrl message: %s", err.c_str());
		LOG(ERROR) << "Could not read misctrl message: " << err.c_str();
		return 1;
		}

		if (m.magic != MISC_CONTROL_MAGIC_HEADER \|\| m.version != MISC_CONTROL_MESSAGE_VERSION) {
		log("misctrl message invalid, resetting it");
		LOG(WARNING) << "misctrl message invalid, resetting it";
		m = { .version = MISC_CONTROL_MESSAGE_VERSION,
		.magic = MISC_CONTROL_MAGIC_HEADER,
		.misctrl_flags = 0 };
		@@ -57,7 +42,7 @@ static int check_control_message() {
		const size_t ps = getpagesize();

		if (ps != 4096 && ps != 16384) {
		log("Unrecognized page size: %zu", ps);
		LOG(ERROR) << "Unrecognized page size: " << ps;
		res = 1;
		}

		@@ -69,7 +54,7 @@ static int check_control_message() {
		res \|= android::base::SetProperty("ro.misctrl.16kb_before", before_16kb ? "1" : "0");

		if (!WriteMiscControlMessage(m, &err)) {
		log("Could not write misctrl message: %s", err.c_str());
		LOG(ERROR) << "Could not write misctrl message: " << err.c_str();
		res \|= 1;
		}

		@@ -81,22 +66,24 @@ static int check_reserved_space() {
		std::string err;
		bool success = CheckReservedSystemSpaceEmpty(&empty, &err);
		if (!success) {
		log("Could not read reserved space: %s", err.c_str());
		LOG(ERROR) << "Could not read reserved space: " << err.c_str();
		return 1;
		}
		log("System reserved space empty? %d.", empty);
		LOG(INFO) << "System reserved space empty? " << empty;

		if (!err.empty()) {
		constexpr size_t kPrintChunkSize = 256;
		for (size_t i = 0; i < err.size(); i += kPrintChunkSize) {
		log("DATA: %s", err.substr(i, kPrintChunkSize).c_str());
		}
		LOG(ERROR) << "Reserved misc space being used: " << err;
		}

		return empty ? 0 : 1;
		}

		int main() {
		int main(int argc, char** argv) {
		{
		using namespace android::base;
		(void)argc;
		InitLogging(argv, TeeLogger(LogdLogger(), &StderrLogger));
		}
		int err = 0;
		err \|= check_control_message();
		err \|= check_reserved_space();