microdroid/initrd/Android.bp

package {
    default_applicable_licenses: ["Android-Apache-2.0"],
}

rust_binary_host {
    name: "initrd_bootconfig",
    srcs: ["src/main.rs"],
    rustlibs: [
        "libanyhow",
        "libclap",
    ],
    prefer_rlib: true,
}

python_binary_host {
    name: "gen_vbmeta_bootconfig",
    srcs: ["gen_vbmeta_bootconfig.py"],
}

genrule {
    name: "microdroid_initrd_gen",
    srcs: [
        ":microdroid_ramdisk",
        ":microdroid_vendor_ramdisk",
    ],
    out: ["microdroid_initrd.img"],
    cmd: "cat $(in) > $(out)",
}

// This contains vbmeta hashes & related (boot)configs which are passed to kernel/init
genrule {
    name: "microdroid_vbmeta_bootconfig_gen",
    srcs: [":microdroid_vbmeta"],
    out: ["bootconfig_microdroid_vbmeta"],
    tools: [
        "gen_vbmeta_bootconfig",
        "avbtool",
    ],
    cmd: "$(location gen_vbmeta_bootconfig) $(location avbtool) $(in) > $(out)",
}

bootconfigs_arm64 = [
    ":microdroid_bootconfig_arm64_gen",
    ":microdroid_vbmeta_bootconfig_gen",
]

bootconfigs_x86_64 = [
    ":microdroid_bootconfig_x86_64_gen",
    ":microdroid_vbmeta_bootconfig_gen",
]

genrule {
    name: "microdroid_initrd_full_debuggable_arm64",
    tools: ["initrd_bootconfig"],
    srcs: [
        ":microdroid_initrd_gen",
        ":microdroid_bootconfig_full_debuggable_src",
    ] + bootconfigs_arm64,
    out: ["microdroid_initrd_full_debuggable_arm64"],
    cmd: "$(location initrd_bootconfig) --output $(out) $(in)",
}

genrule {
    name: "microdroid_initrd_full_debuggable_x86_64",
    tools: ["initrd_bootconfig"],
    srcs: [
        ":microdroid_initrd_gen",
        ":microdroid_bootconfig_full_debuggable_src",
    ] + bootconfigs_x86_64,
    out: ["microdroid_initrd_full_debuggable_x86_64"],
    cmd: "$(location initrd_bootconfig) --output $(out) $(in)",
}

genrule {
    name: "microdroid_initrd_normal_arm64",
    tools: ["initrd_bootconfig"],
    srcs: [
        ":microdroid_initrd_gen",
        ":microdroid_bootconfig_normal_src",
    ] + bootconfigs_arm64,
    out: ["microdroid_initrd_normal_arm64"],
    cmd: "$(location initrd_bootconfig) --output $(out) $(in)",
}

genrule {
    name: "microdroid_initrd_normal_x86_64",
    tools: ["initrd_bootconfig"],
    srcs: [
        ":microdroid_initrd_gen",
        ":microdroid_bootconfig_normal_src",
    ] + bootconfigs_x86_64,
    out: ["microdroid_initrd_normal_x86_64"],
    cmd: "$(location initrd_bootconfig) --output $(out) $(in)",
}

prebuilt_etc {
    name: "microdroid_initrd_full_debuggable",
    // We don't have ramdisk for architectures other than x86_64 & arm64
    src: "empty_file",
    arch: {
        x86_64: {
            src: ":microdroid_initrd_full_debuggable_x86_64",
        },
        arm64: {
            src: ":microdroid_initrd_full_debuggable_arm64",
        },
    },
    filename: "microdroid_initrd_full_debuggable.img",
}

prebuilt_etc {
    name: "microdroid_initrd_normal",
    // We don't have ramdisk for architectures other than x86_64 & arm64
    src: "empty_file",
    arch: {
        x86_64: {
            src: ":microdroid_initrd_normal_x86_64",
        },
        arm64: {
            src: ":microdroid_initrd_normal_arm64",
        },
    },
    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_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_full_debuggable.sha256",
    ],
    // join the hashes with commas
    cmd: "cat $(in) | tr '\n' ',' > $(out) && truncate -s -1 $(out)",
    out: ["output"],
}