From 70ba42a943ee87c3befe8f36f85330a745614f86 Mon Sep 17 00:00:00 2001
From: achigoliu <achigoliu@google.com>
Date: Wed, 15 Jan 2020 21:34:57 +0800
Subject: [PATCH] s5: Add ramoops shell script to vendor

Bug: 147082732
Test: Encrypt and decrypt ramoops successfully
Change-Id: Ie7caf943e3e1ff3db664d6b14c06b93a7700f0ae
Signed-off-by: achigoliu <achigoliu@google.com>
---
 device.mk       |  1 +
 init.ramoops.sh | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+)
 create mode 100644 init.ramoops.sh

diff --git a/device.mk b/device.mk
index 85918c6c..826dd3c4 100644
--- a/device.mk
+++ b/device.mk
@@ -114,6 +114,7 @@ PRODUCT_COPY_FILES += \
     $(LOCAL_PATH)/sensors.hals.conf:$(TARGET_COPY_OUT_VENDOR)/etc/sensors/hals.conf \
     $(LOCAL_PATH)/thermal-engine-$(PRODUCT_HARDWARE).conf:$(TARGET_COPY_OUT_VENDOR)/etc/thermal-engine-$(PRODUCT_HARDWARE).conf \
     $(LOCAL_PATH)/ueventd.rc:$(TARGET_COPY_OUT_VENDOR)/ueventd.rc \
+    $(LOCAL_PATH)/init.ramoops.sh:$(TARGET_COPY_OUT_VENDOR)/bin/init.ramoops.sh \
 
 MSM_VIDC_TARGET_LIST := sm6150 # Get the color format from kernel headers
 MASTER_SIDE_CP_TARGET_LIST := sm6150 # ION specific settings
diff --git a/init.ramoops.sh b/init.ramoops.sh
new file mode 100644
index 00000000..526bf952
--- /dev/null
+++ b/init.ramoops.sh
@@ -0,0 +1,18 @@
+#!/vendor/bin/sh
+
+# Decrypt the keys and write them to the kernel
+ramoops -D
+
+if [ $? -eq 0 ]; then
+    # Pivot (and decrypt)
+    echo 1 > /sys/devices/virtual/ramoops/pstore/use_alt
+else
+    setprop vendor.ramoops.decryption.error $?
+fi
+
+# Trigger remount of pstore regardless of decryption state
+setprop vendor.ramoops.decrypted true
+
+# Generate keys (if none exist), and load the keys to carveout
+ramoops -g -l -c
+