commit ec2a9a0c7ac5d981862093b47be2d24c36518ecd
author Jason Chiu <jasoncschiu@google.com> Thu Nov 30 22:25:57 2023 +0800
committer Jason Chiu <jasoncschiu@google.com> Tue Dec 05 09:14:48 2023 +0800
tree bca888978ae28032140d12e112497cbbd8df861f
parent 2a201a74c221ed6bf4adf597d7437b3a724a3898

gs-common: bootctrl: integrate blowAR() for gs101 & zuma

Common bootcontrol use zuma version for the base, and blowAR()
can't be used by gs101. So we need to port ag/18743149 into
common bootcontrol.

Bug: 313615120
Change-Id: I25febde96a56279e6592a6d7740be9a2e385543b
Signed-off-by: Jason Chiu <jasoncschiu@google.com>

bootctrl/aidl/BootControl.cpp

diff --git a/bootctrl/aidl/BootControl.cpp b/bootctrl/aidl/BootControl.cpp
index 0221514..e771845 100644
--- a/bootctrl/aidl/BootControl.cpp
+++ b/bootctrl/aidl/BootControl.cpp
@@ -47,6 +47,8 @@
 #define BOOT_B_PATH     "/dev/block/by-name/boot_b"
 #define DEVINFO_PATH    "/dev/block/by-name/devinfo"
 
+#define BLOW_AR_PATH    "/sys/kernel/boot_control/blow_ar"
+
 // slot flags
 #define AB_ATTR_PRIORITY_SHIFT      52
 #define AB_ATTR_PRIORITY_MASK       (3UL << AB_ATTR_PRIORITY_SHIFT)
@@ -227,7 +229,7 @@
     return 0;
 }
 
-static bool blowAR() {
+static bool blowAR_zuma() {
     int ret = blow_otp_AR(true);
     if (ret) {
         ALOGI("Blow secure anti-rollback OTP failed");
@@ -243,6 +245,24 @@
     return true;
 }
 
+static bool blowAR_gs101() {
+    ::android::base::unique_fd fd(open(BLOW_AR_PATH, O_WRONLY | O_DSYNC));
+    return ::android::base::WriteStringToFd("1", fd);
+}
+
+static bool blowAR() {
+    char platform[PROPERTY_VALUE_MAX];
+    property_get("ro.boot.hardware.platform", platform, "");
+
+    if (std::string(platform) == "gs101") {
+        return blowAR_gs101();
+    } else if (std::string(platform) == "gs201" || std::string(platform) == "zuma") {
+        return blowAR_zuma();
+    }
+
+    return true;
+}
+
 static constexpr MergeStatus ToAIDLMergeStatus(HIDLMergeStatus status) {
     switch (status) {
         case HIDLMergeStatus::NONE: