initial tools to build the nerf EFI volume that goes into the firmware

Makefile.nerf

@@ -0,0 +1,120 @@
+#
+# Targets specific for the NERF firmware
+#
+
+# this assumes that we've already made the edk2 things, via
+# edk2.intermediate or something like that.
+EDK2_DIR := $(build)/$(edk2_dir)/BaseTools/BinWrappers/PosixLike
+
+initrd: initrd.intermediate
+	cat blobs/r630/acpi.initrd initrd.cpio > $(linux_dir)/initrd.cpio
+
+
+GenSec-name	= $(EDK2_DIR)/GenSec \
+	-S EFI_SECTION_USER_INTERFACE \
+	-o "$1" \
+	-n $2 \
+
+GenSec-version	= $(EDK2_DIR)/GenSec \
+	-S EFI_SECTION_VERSION \
+	-o "$1" \
+	-n $2 \
+
+GenSec-pe	= $(EDK2_DIR)/GenSec \
+	-S EFI_SECTION_PE32 \
+	-o "$1" \
+	"$2" \
+
+
+linux-pe.sec: $(build)/$(linux_dir)/arch/x86/boot/bzImage
+	$(call GenSec-pe,$@,$<)
+linux-name.sec:
+	$(call GenSec-name,$@,"HeadsNERF")
+linux-version.sec:
+	$(call GenSec-version,$@,"0.1")
+# Linux depends on the RuntimeArchProtocolGuid to have been installed,
+# so we hand code a PUSH GUID, END dependecy file.
+linux-dep.sec:
+	perl -e 'print chr(hex($$_)) for @ARGV' > $@.tmp \
+		02 \
+		e1 b4 df b7 \
+		2f 05 \
+		9f 44 \
+		87 be \
+		98 18 fc 91 b7 33 \
+		08 \
+
+	$(EDK2_DIR)/GenSec \
+		-S EFI_SECTION_DXE_DEPEX \
+		-o $@ \
+		$@.tmp
+
+	-$(RM) $@.tmp
+
+# The RuntimeDxe has no dependencies, so we create an empty
+# DEPEX file for it (TRUE, END).  GenDepex could be used, but its
+# commandline parser makes no sense.
+nop-dep.sec:
+	perl -e 'print chr(hex($$_)) for qw/06 08/' > $@.tmp
+	$(EDK2_DIR)/GenSec \
+		-S EFI_SECTION_DXE_DEPEX \
+		-o $@ \
+		$@.tmp
+
+	-$(RM) $@.tmp
+
+linux.ffs: linux-pe.sec linux-name.sec linux-version.sec nop-dep.sec
+	$(EDK2_DIR)/GenFfs \
+		-t EFI_FV_FILETYPE_DRIVER \
+		-g DECAFBAD-4865-6164-732d-2f2d4e455246 \
+		--align 64K \
+		$(addprefix -i ,$^) \
+		-o $@ \
+
+
+DxeCore-pe.sec: $(build)/$(edk2_dir)/DxeCore.efi
+	$(call GenSec-pe,$@,$<)
+DxeCore-name.sec:
+	$(call GenSec-name,$@,"DxeCore")
+DxeCore-version.sec:
+	$(call GenSec-version,$@,"1.0")
+DxeCore.ffs: DxeCore-pe.sec DxeCore-name.sec DxeCore-version.sec
+	$(EDK2_DIR)/GenFfs \
+		-t EFI_FV_FILETYPE_DXE_CORE \
+		-g D6A2CB7F-6A18-4E2F-B43B-9920A733700A \
+		--align 64K \
+		$(addprefix -i ,$^) \
+		-o $@ \
+
+RuntimeDxe-pe.sec: $(build)/$(edk2_dir)/RuntimeDxe.efi
+	$(call GenSec-pe,$@,$<)
+RuntimeDxe-name.sec:
+	$(call GenSec-name,$@,"RuntimeDxe")
+RuntimeDxe-version.sec:
+	$(call GenSec-version,$@,"1.0")
+RuntimeDxe.ffs: RuntimeDxe-pe.sec RuntimeDxe-name.sec RuntimeDxe-version.sec nop-dep.sec
+	$(EDK2_DIR)/GenFfs \
+		-t EFI_FV_FILETYPE_DRIVER \
+		-g B601F8C4-43B7-4784-95B1-F4226CB40CEE \
+		--align 64K \
+		$(addprefix -i ,$^) \
+		-o $@ \
+
+# For now we generate a FV that matches the existing UEFI image in size.
+# This will change once we modify the image
+nerf.vol: DxeCore.ffs RuntimeDxe.ffs linux.ffs
+	$(EDK2_DIR)/GenFv \
+		--numberblock 0x47 \
+		--blocksize 0x10000 \
+		--FvNameGuid 4652454e-482f-6165-6473-2f4c696e7578 \
+		-o $@ \
+		$(addprefix -f ,$^) \
+
+
+nerf.intermediate: \
+	edk2.intermediate \
+	DxeCore.ffs \
+	RuntimeDxe.ffs \
+
+no=\
+	linux.ffs \