Add support for running QEMU version of System76 firmware

scripts/build.sh

@@ -25,25 +25,35 @@ mkdir -p "${BUILD}"
 UEFIPAYLOAD="${BUILD}/UEFIPAYLOAD.fd"
 COREBOOT="${BUILD}/coreboot.rom"
 USB="${BUILD}/usb.img"
+EDK2_ARGS=(
+    -D USE_HPET_TIMER=TRUE
+    -D SOURCE_DEBUG_ENABLE=FALSE
+)
 
 # Rebuild firmware-setup (used by edk2)
 touch apps/firmware-setup/Cargo.toml
 make -C apps/firmware-setup
+EDK2_ARGS+=(
+    -D FIRMWARE_OPEN_FIRMWARE_SETUP="firmware-setup/firmware-setup.inf"
+)
 
 # Rebuild gop-policy (used by edk2)
-touch apps/gop-policy/Cargo.toml
-FIRMWARE_OPEN_VBT="${MODEL_DIR}/vbt.rom" \
-    make -C apps/gop-policy
+if [ -e "${MODEL_DIR}/IntelGopDriver.inf" -a -e "${MODEL_DIR}/vbt.rom" ]
+then
+    touch apps/gop-policy/Cargo.toml
+    FIRMWARE_OPEN_VBT="${MODEL_DIR}/vbt.rom" \
+        make -C apps/gop-policy
+    EDK2_ARGS+=(
+        -D FIRMWARE_OPEN_GOP_POLICY="gop-policy/gop-policy.inf"
+        -D FIRMWARE_OPEN_GOP="IntelGopDriver.inf"
+    )
+fi
 
 # Rebuild CorebootPayloadPkg using edk2
 PACKAGES_PATH="${MODEL_DIR}:$(realpath edk2-platforms):$(realpath apps)" \
     ./scripts/_build/edk2.sh \
         "${UEFIPAYLOAD}" \
-        -D USE_HPET_TIMER=TRUE \
-        -D SOURCE_DEBUG_ENABLE=FALSE \
-        -D FIRMWARE_OPEN_FIRMWARE_SETUP="firmware-setup/firmware-setup.inf" \
-        -D FIRMWARE_OPEN_GOP_POLICY="gop-policy/gop-policy.inf" \
-        -D FIRMWARE_OPEN_GOP="IntelGopDriver.inf"
+        "${EDK2_ARGS[@]}"
 
 # Rebuild coreboot
 FIRMWARE_OPEN_MODEL_DIR="${MODEL_DIR}" \
@@ -60,8 +70,13 @@ pushd apps/firmware-update >/dev/null
   make "build/x86_64-efi-pe/boot.img"
   cp -v "build/x86_64-efi-pe/boot.img" "${USB}.partial"
 popd >/dev/null
+
+# Copy firmware to USB image
 mmd -i "${USB}.partial@@1M" "::${BASEDIR}/firmware"
 mcopy -i "${USB}.partial@@1M" "${COREBOOT}" "::${BASEDIR}/firmware/firmware.rom"
-mcopy -i "${USB}.partial@@1M" "${MODEL_DIR}/ec.rom" "::${BASEDIR}/firmware/ec.rom"
-mcopy -i "${USB}.partial@@1M" "${MODEL_DIR}/uecflash.efi" "::${BASEDIR}/firmware/uecflash.efi"
+if [ -e "${MODEL_DIR}/ec.rom" -a -e "${MODEL_DIR}/uecflash.efi" ]
+then
+    mcopy -i "${USB}.partial@@1M" "${MODEL_DIR}/ec.rom" "::${BASEDIR}/firmware/ec.rom"
+    mcopy -i "${USB}.partial@@1M" "${MODEL_DIR}/uecflash.efi" "::${BASEDIR}/firmware/uecflash.efi"
+fi
 mv -v "${USB}.partial" "${USB}"