1cb5859f8e
We already vendor a patched zydis and this fix should be available to everyone, not only CI.
84 lines
3.2 KiB
Bash
84 lines
3.2 KiB
Bash
#!/bin/sh
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set -eux
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MINSTACK_VERSION=v17
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# Download the linux kernel image, opensbi firmware, and the busybox userspace from the minstack repo
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wget -q "https://github.com/moste00/riscv-minstack/releases/download/${MINSTACK_VERSION}/rv32-Image"
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wget -q "https://github.com/moste00/riscv-minstack/releases/download/${MINSTACK_VERSION}/rv32-fw_dynamic.bin"
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wget -q "https://github.com/moste00/riscv-minstack/releases/download/${MINSTACK_VERSION}/rv32-busybox"
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#---------------------------------------------------------------------------------------------------------------------
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cd rizin
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# Setup cross file
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sed -i "s|<<path-to-bootlin-installation>>|${BOOTLIN_INSTALLATION}|g" doc/examples/cross_builds/meson-linux-riscv32.ini
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export PATH="${BOOTLIN_TOOLS}:${PATH}"
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# Build Rizin
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meson setup build --cross-file doc/examples/cross_builds/meson-linux-riscv32.ini
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meson compile -C build || true # Expected to fail due to Zydis bug on RISC-V 32-bit
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# Build again
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meson compile -C build
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# Install to a custom prefix
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mkdir -p ../rootfs-rv32
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DESTDIR=../../rootfs-rv32 meson install -C build
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cd ..
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# Download the test binary (TODO: Change to rizinorg/rizin-testbins when the test binary PR is merged to rizinorg's repo)
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TEST_BIN_URL=https://raw.githubusercontent.com/moste00/rizin-testbins/riscv_bitmanip_32bit/elf/riscv_bitmanip_32
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wget ${TEST_BIN_URL} -O riscv_bitmanip_32
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#---------------------------------------------------------------------------------------------------------------------
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# Create a init config for busybox
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cat << EOF > inittab
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::sysinit:/mount -t proc proc /proc
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::sysinit:/mount -t sysfs sysfs /sys
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::sysinit:/mount -t devtmpfs devtmpfs /dev
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::sysinit:/mount -t tmpfs -o size=128M,nodev,nosuid tmpfs /tmp
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::sysinit:/mkdir -p /mnt
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::sysinit:/mount -t ext4 /dev/vda /mnt
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::wait:/bin/sh -c "export PATH=/mnt/usr/local/bin && cd /test && rz-test db/archos/linux-riscv32"
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::once:/poweroff -f
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EOF
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# Describe a skeletal in-memory filesystem for booting (without Rizin installation)
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cat << EOF > initramfs
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dir /bin 0755 0 0
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dir /etc 0755 0 0
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dir /lib 0755 0 0
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dir /tmp 1777 0 0
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dir /proc 0755 0 0
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dir /sys 0755 0 0
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dir /dev 0755 0 0
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dir /test 0755 0 0
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dir /test/bins 0755 0 0
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dir /test/bins/elf 0755 0 0
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dir /test/db 0755 0 0
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dir /test/db/archos 0755 0 0
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dir /test/db/archos/linux-riscv32 0755 0 0
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nod /dev/console 0600 0 0 c 5 1
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file /bin/busybox rv32-busybox 0755 0 0
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slink /init /bin/busybox 0777 0 0
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slink /mount /bin/busybox 0777 0 0
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slink /poweroff /bin/busybox 0777 0 0
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slink /bin/sh /bin/busybox 0777 0 0
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slink /mkdir /bin/busybox 0777 0 0
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file /etc/inittab inittab 0644 0 0
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file /test/bins/elf/riscv_bitmanip_32 riscv_bitmanip_32 0755 0 0
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file /test/db/archos/linux-riscv32/dbg_basic rizin/test/db/archos/linux-riscv32/dbg_basic 0644 0 0
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file /lib/ld-musl-riscv32.so.1 ${BOOTLIN_INSTALLATION}/riscv32-buildroot-linux-musl/sysroot/lib/ld-musl-riscv32.so.1 0755 0 0
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EOF
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# Generate the boot filesystem
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gcc rizin/sys/gen_cpio_script.c -O3 -o gen_cpio
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./gen_cpio initramfs > initrd_rv32.cpio
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# Pack the Rizin installation into an ext4 filesystem
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# (ext4 is necessary because Rizin cross-built into rv32, using musl and statically linked, is too big to fit in an initramfs)
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truncate -s 4G rootfs-rv32.ext4
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mkfs.ext4 -d rootfs-rv32 rootfs-rv32.ext4
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