Merge pull request #38 from sifive/hifive-u-image

build: add support for HiFive/Unleashed disk format
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Palmer Dabbelt 2018-03-08 17:38:01 -08:00 committed by GitHub
commit e685d6ccfd
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@ -56,9 +56,12 @@ target := riscv64-unknown-linux-gnu
.PHONY: all .PHONY: all
all: $(hex) all: $(hex)
@echo @echo
@echo This image has been generated for an ISA of $(ISA) and an ABI of $(ABI) @echo "This image has been generated for an ISA of $(ISA) and an ABI of $(ABI)"
@echo Find the SD-card image in work/bbl.bin @echo "Find the image in work/bbl.bin, which should be written to a boot partition"
@echo Program it with: dd if=work/bbl.bin of=/dev/sd-your-card bs=1M @echo
@echo "To completely erase, reformat, and program a disk sdX, run:"
@echo " sudo make DISK=/dev/sdX format-boot-loader"
@echo " ... you will need gdisk and e2fsprogs installed"
@echo @echo
ifneq ($(RISCV),$(toolchain_dest)) ifneq ($(RISCV),$(toolchain_dest))
@ -214,3 +217,19 @@ qemu: $(qemu) $(bbl) $(rootfs)
$(qemu) -nographic -machine virt -kernel $(bbl) \ $(qemu) -nographic -machine virt -kernel $(bbl) \
-drive file=$(rootfs),format=raw,id=hd0 -device virtio-blk-device,drive=hd0 \ -drive file=$(rootfs),format=raw,id=hd0 -device virtio-blk-device,drive=hd0 \
-netdev user,id=net0 -device virtio-net-device,netdev=net0 -netdev user,id=net0 -device virtio-net-device,netdev=net0
# Relevant partition type codes
BBL = 2E54B353-1271-4842-806F-E436D6AF6985
LINUX = 0FC63DAF-8483-4772-8E79-3D69D8477DE4
FSBL = 5B193300-FC78-40CD-8002-E86C45580B47
.PHONY: format-boot-loader
format-boot-loader: $(bin)
@test -b $(DISK) || echo "$DISK: is not a block device"
sgdisk --clear \
--new=1:2048:67583 --change-name=1:bootloader --typecode=1:$(BBL) \
--new=2:264192: --change-name=2:root --typecode=2:$(LINUX) \
$(DISK)
@sleep 1
dd if=$< of=$(DISK)*1 bs=4096
mke2fs -t ext3 $(DISK)*2