def METHOD_NAME(self):
    self.pkgdesc = f"{pkgname} (system-{sname})"
    self.depends = [f"{pkgname}={pkgver}-r{pkgrel}"]
    self.options = ["foreignelf"]
    extras = []
    match sname:
        case "aarch64":
            extras = [
                "usr/lib/qemu/edk2-aarch64-code.fd",
                "usr/lib/qemu/firmware/60-edk2-aarch64.json",
            ]
        case "alpha":
            extras = ["usr/lib/qemu/palcode-clipper"]
        case "arm":
            extras = [
                "usr/lib/qemu/edk2-arm-code.fd",
                "usr/lib/qemu/edk2-arm-vars.fd",
                "usr/lib/qemu/npcm7xx_bootrom.bin",
                "usr/lib/qemu/firmware/60-edk2-arm.json",
            ]
        case "hppa":
            extras = [
                "usr/lib/qemu/hppa-firmware.img",
            ]
            self.options += ["execstack"]
        case "i386":
            extras = [
                "usr/lib/qemu/edk2-i386-code.fd",
                "usr/lib/qemu/edk2-i386-secure-code.fd",
                "usr/lib/qemu/edk2-i386-vars.fd",
                "usr/lib/qemu/firmware/50-edk2-i386-secure.json",
                "usr/lib/qemu/firmware/60-edk2-i386.json",
            ]
        case "ppc":
            extras = [
                "usr/lib/qemu/openbios-ppc",
                "usr/lib/qemu/u-boot.e500",
                "usr/lib/qemu/u-boot-sam460-20100605.bin",
            ]
            self.options += ["execstack"]
        case "riscv32":
            extras = [
                "usr/lib/qemu/opensbi-riscv32-generic-fw_dynamic.bin",
            ]
        case "riscv64":
            extras = [
                "usr/lib/qemu/opensbi-riscv64-generic-fw_dynamic.bin",
            ]
        case "s390x":
            extras = [
                "usr/lib/qemu/s390-ccw.img",
                "usr/lib/qemu/s390-netboot.img",
            ]
            self.options += ["execstack", "textrels"]
        case "sparc":
            extras = [
                "usr/lib/qemu/openbios-sparc32",
            ]
            self.options += ["execstack"]
        case "sparc64":
            extras = [
                "usr/lib/qemu/openbios-sparc64",
            ]
            self.options += ["execstack"]
        case "x86_64":
            extras = [
                "usr/lib/qemu/edk2-x86_64-code.fd",
                "usr/lib/qemu/edk2-x86_64-secure-code.fd",
                "usr/lib/qemu/firmware/50-edk2-x86_64-secure.json",
                "usr/lib/qemu/firmware/60-edk2-x86_64.json",
            ]
    # never strip them
    self.nostrip_files = extras
    return [f"usr/bin/qemu-system-{sname}"] + extras