add eve efi application

Signed-off-by: Shahriyar Jalayeri <shahriyar@zededa.com>

pkg/dom0-ztools/Dockerfile

@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile-upstream:1.5.0-rc2-labs
 FROM lfedge/eve-alpine:82df60e43ab9f8c935584b8c7b4d0a4b0271d608 as zfs
 ENV BUILD_PKGS git patch ca-certificates util-linux build-base gettext-dev libtirpc-dev automake autoconf \
-    libtool linux-headers attr-dev e2fsprogs-dev glib-dev openssl-dev util-linux-dev coreutils
+    libtool linux-headers attr-dev e2fsprogs-dev glib-dev openssl-dev util-linux-dev coreutils gnu-efi gnu-efi-dev mtools
 ENV PKGS ca-certificates util-linux libintl libuuid libtirpc libblkid libcrypto1.1 zlib
 RUN eve-alpine-deploy.sh
 
@@ -42,6 +42,26 @@ RUN cp -r /tmp/zfs-out/* /out
 # Add directory for CDI files
 RUN mkdir -p /out/etc/cdi
 
+# build dosfstools, the one that is in alpine (busybox) is too old
+# and doesn't support creating small FAT filesystems.
+WORKDIR /mkfs
+ADD https://github.com/dosfstools/dosfstools.git#v4.2 dosfstools
+RUN cd dosfstools && \
+    ./autogen.sh && \
+    ./configure --prefix=/mkfs/dosfstools/bin && \
+    make && \
+    make install
+WORKDIR /efi
+COPY efi/ .
+RUN make all && \
+    mkdir -p /out/etc/ovmf && \
+    cp efi_run.sh /out/etc/ovmf/ && \
+    chmod +x /out/etc/ovmf/efi_run.sh && \
+    dd if=/dev/zero of=/out/etc/ovmf/eve_efi.img bs=1M count=1 && \
+    /mkfs/dosfstools/bin/sbin/mkfs.fat /out/etc/ovmf/eve_efi.img && \
+    mcopy -i /out/etc/ovmf/eve_efi.img startup.nsh :: && \
+    mcopy -i /out/etc/ovmf/eve_efi.img efi_eveutil.efi ::
+
 FROM scratch
 COPY --from=zfs /out/ /
 # hadolint ignore=DL3020

pkg/dom0-ztools/efi/Makefile

@@ -0,0 +1,32 @@
+ARCH            = $(shell uname -m | sed s,i[3456789]86,ia32,)
+OBJS            = main.o
+TARGE_SO        = efi_eveutil.so
+TARGET_EFI      = efi_eveutil.efi
+EFIINC          = /usr/include/efi
+EFIINCS         = -I$(EFIINC) -I$(EFIINC)/$(ARCH) -I$(EFIINC)/protocol
+LIB             = /usr/lib
+EFILIB          = /usr/lib
+EFI_CRT_OBJS    = $(EFILIB)/crt0-efi-$(ARCH).o
+EFI_LDS         = $(EFILIB)/elf_$(ARCH)_efi.lds
+
+CFLAGS          = $(EFIINCS) -fno-stack-protector -fpic \
+                      -fshort-wchar -mno-red-zone -Wall -Werror
+ifeq ($(ARCH),x86_64)
+    CFLAGS += -DEFI_FUNCTION_WRAPPER
+endif
+
+LDFLAGS         = -nostdlib -znocombreloc -T $(EFI_LDS) -shared \
+                  -Bsymbolic -L $(EFILIB) -L $(LIB) $(EFI_CRT_OBJS) 
+
+all: $(TARGET_EFI)
+
+$(TARGE_SO): $(OBJS)
+	ld $(LDFLAGS) $(OBJS) -o $@ -lefi -lgnuefi
+
+clean:
+	rm -f $(OBJS) $(TARGE_EFI) $(TARGE_SO)
+
+%.efi: %.so
+	objcopy -j .text -j .sdata -j .data -j .dynamic \
+        -j .dynsym  -j .rel -j .rela -j .reloc \
+        --target=efi-app-$(ARCH) $^ $@

pkg/dom0-ztools/efi/efi_run.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+mkdir -p /run/kvm
+cp /hostfs/etc/ovmf/eve_efi.img /run/kvm/eve_efi.img
+/usr/lib/xen/bin/qemu-system-x86_64 \
+    -machine "type=pc-q35-3.1" \
+    -drive "if=pflash,unit=0,format=raw,readonly=on,file=/usr/lib/xen/boot/OVMF_CODE.fd" \
+    -drive "if=pflash,unit=1,format=raw,readonly=off,file=${1}" \
+    -drive "file=/run/kvm/eve_efi.img,format=raw" \
+    -smbios "type=11,value=${2}" \
+    -net none \
+    -nographic