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platform_system_core
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init: boot into thermal shutdown target on supported devices 

Bug: 137982557
Test: thermal shutdown
Change-Id: I4c7c4647e340be6be7a37a3dde6324b4d7903007
(cherry picked from commit 271014e832)
This commit is contained in:
Wei Wang 2019-08-27 16:35:35 -07:00
parent 8c8ce02e2e
commit 5f181bc503
1 changed files with 14 additions and 6 deletions
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20
init/reboot_utils.cpp
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@ -21,11 +21,12 @@
#include <string>
#include "android-base/file.h"
#include "android-base/logging.h"
#include "android-base/strings.h"
#include "backtrace/Backtrace.h"
#include "cutils/android_reboot.h"
#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/properties.h>
#include <android-base/strings.h>
#include <backtrace/Backtrace.h>
#include <cutils/android_reboot.h>
#include "capabilities.h"
@ -93,7 +94,14 @@ void __attribute__((noreturn)) RebootSystem(unsigned int cmd, const std::string&
break;
case ANDROID_RB_THERMOFF:
reboot(RB_POWER_OFF);
if (android::base::GetBoolProperty("ro.thermal_warmreset", false)) {
LOG(INFO) << "Try to trigger a warm reset for thermal shutdown";
static constexpr const char kThermalShutdownTarget[] = "shutdown,thermal";
syscall(__NR_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2,
LINUX_REBOOT_CMD_RESTART2, kThermalShutdownTarget);
} else {
reboot(RB_POWER_OFF);
}
break;
}
// In normal case, reboot should not return.