Support building images from outside of coreboot tree

scripts/_build/coreboot.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+set -e
+
+if [ -z "$1" -o ! -e "$1" -o -z "$2" ]
+then
+  echo "$0 [coreboot.config] [coreboot.rom]" >&2
+  exit 1
+fi
+CONFIG="$(realpath "$1")"
+COREBOOT="$(realpath "$2")"
+
+pushd coreboot >/dev/null
+  make CPUS="$(nproc)" crossgcc-i386
+  make distclean
+  cp -v "${CONFIG}" .config
+  make --jobs="$(nproc)"
+  cp -v "build/coreboot.rom" "${COREBOOT}"
+popd >/dev/null

scripts/_build/edk2.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+
+set -e
+
+if [ -z "$1" ]
+then
+  echo "$0 [UEFIPAYLOAD.fd]" >&2
+  exit 1
+fi
+UEFIPAYLOAD="$(realpath "$1")"
+
+BUILD_TYPE=RELEASE
+TOOLCHAIN=GCC5
+
+export PACKAGES_PATH="$(realpath edk2-platforms):$(realpath apps)"
+
+pushd edk2 >/dev/null
+  make -C BaseTools --jobs="$(nproc)"
+  source edksetup.sh --reconfig
+
+  build \
+    -a IA32 \
+    -a X64 \
+    -b "${BUILD_TYPE}" \
+    -t "${TOOLCHAIN}" \
+    -p CorebootPayloadPkg/CorebootPayloadPkgIa32X64.dsc
+
+  cp -v \
+    "Build/CorebootPayloadPkgX64/${BUILD_TYPE}_${TOOLCHAIN}/FV/UEFIPAYLOAD.fd" \
+    "${UEFIPAYLOAD}"
+popd >/dev/null

scripts/build.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+set -e
+
+if [ -z "$1" ]
+then
+  echo "$0 [model]" >&2
+  exit 1
+fi
+MODEL="$1"
+
+if [ ! -d "models/${MODEL}" ]
+then
+  echo "model '${MODEL}' not found" >&2
+  exit 1
+fi
+MODEL_DIR="$(realpath "models/${MODEL}")"
+
+rm -rf build
+mkdir -p build
+
+# Rebuild firmware-setup (used by edk2)
+touch apps/firmware-setup/Cargo.toml
+make -C apps/firmware-setup
+
+# Rebuild CorebootPayloadPkg using edk2
+./scripts/_build/edk2.sh build/UEFIPAYLOAD.fd
+
+# Rebuild coreboot
+export FIRMWARE_OPEN_UEFIPAYLOAD="$(realpath build/UEFIPAYLOAD.fd)"
+export FIRMWARE_OPEN_MODEL_DIR="${MODEL_DIR}"
+./scripts/_build/coreboot.sh "${MODEL_DIR}/coreboot.config" "build/$MODEL.rom"