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https://github.com/linuxboot/linuxboot
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48 lines
1.1 KiB
Makefile
48 lines
1.1 KiB
Makefile
#
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# Specific targets and things for the OCP Winterfell board
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#
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# This is responsible for extracting the DXE section from the ROM,
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# extracting each of the images from it, and setting the sizes for
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# the different firmware images.
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#
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#
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# 16 MB ROM total size
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linuxboot-size := 0x1000000
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# 6.9 MB DXE+Linux ROM, uncompressed
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dxe-size := 0x6A0000
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dxe-path := $(BUILD)/rom/0x00860000/
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dxe-files := $(shell awk \
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'/^[0-9A-Fa-f]/ {print "$(dxe-path)/"$$1".ffs"}' \
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boards/$(BOARD)/image-files.txt \
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)
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# The Intel firmware has lots of small pieces.
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# We replace the DXE recovery image and one of the other
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# images with the LinuxBoot one. Potentially we
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# can clean up more space.
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FVS := \
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$(BUILD)/rom/0x00000000.ifd \
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$(BUILD)/rom/0x000f0000.bin \
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$(BUILD)/rom/0x00800000.fv \
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$(BUILD)/rom/0x00820000.fv \
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$(BUILD)/rom/0x00840000.bin \
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$(BUILD)/dxe.vol \
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$(BUILD)/rom/0x00f00000.fv \
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# Replace the DxeCore and SmmCore with our own
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# and add in the Linux kernel / initrd
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$(BUILD)/dxe.vol: \
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$(BUILD)/DxeCore.ffs \
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$(BUILD)/PiSmmCore.ffs \
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$(dxe-files) \
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$(BUILD)/Linux.ffs \
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$(BUILD)/Initrd.ffs \
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