Merge "Add hashes of initrd to the kernel footer"
diff --git a/microdroid/Android.bp b/microdroid/Android.bp
index af6031a..79378fe 100644
--- a/microdroid/Android.bp
+++ b/microdroid/Android.bp
@@ -567,6 +567,12 @@
enabled: true,
},
},
+ props: [
+ {
+ name: "trusted_ramdisk",
+ file: ":microdroid_initrd_hashes",
+ },
+ ],
}
prebuilt_etc {
diff --git a/microdroid/initrd/Android.bp b/microdroid/initrd/Android.bp
index d8e7069..eb761bf 100644
--- a/microdroid/initrd/Android.bp
+++ b/microdroid/initrd/Android.bp
@@ -159,3 +159,36 @@
},
filename: "microdroid_initrd_normal.img",
}
+
+genrule {
+ name: "microdroid_initrd_normal.sha256",
+ srcs: [":microdroid_initrd_normal"],
+ cmd: "cat $(in) | sha256sum | cut -d' ' -f1 > $(out)",
+ out: ["hash"],
+}
+
+genrule {
+ name: "microdroid_initrd_app_debuggable.sha256",
+ srcs: [":microdroid_initrd_app_debuggable"],
+ cmd: "cat $(in) | sha256sum | cut -d' ' -f1 > $(out)",
+ out: ["hash"],
+}
+
+genrule {
+ name: "microdroid_initrd_full_debuggable.sha256",
+ srcs: [":microdroid_initrd_full_debuggable"],
+ cmd: "cat $(in) | sha256sum | cut -d' ' -f1 > $(out)",
+ out: ["hash"],
+}
+
+genrule {
+ name: "microdroid_initrd_hashes",
+ srcs: [
+ ":microdroid_initrd_normal.sha256",
+ ":microdroid_initrd_app_debuggable.sha256",
+ ":microdroid_initrd_full_debuggable.sha256",
+ ],
+ // join the hashes with commas
+ cmd: "cat $(in) | tr '\n' ',' > $(out) && truncate -s -1 $(out)",
+ out: ["output"],
+}