58 lines
2.6 KiB
Plaintext
58 lines
2.6 KiB
Plaintext
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# x86_64 via qemu + u-boot firmware, for q35 machine type
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declare -g UEFI_GRUB="skip" # Skip GRUB for this board
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declare -g BOARD_NAME="uefi-x86"
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declare -g BOARDFAMILY="uefi-x86"
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declare -g BOARD_MAINTAINER="rpardini"
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declare -g KERNEL_TARGET="current,edge"
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declare -g SERIALCON="ttyS0"
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# u-boot's "x86_64" is incomplete; use the 32-bit version.
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declare -g QEMU_UBOOT_BOOTCONFIG="qemu-x86_defconfig"
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declare -g INITRD_ARCH='x86' # input for mkimage, needed for extlinux
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## qemu'ed uboot on x86 can do extlinux?
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#declare -g SRC_EXTLINUX="yes"
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#declare -g SRC_CMDLINE="loglevel=7 console=ttyS0" # Those boards are serial-debug only; 'root=LABEL=armbi_root' ?
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#enable_extension "u-boot-menu" # this generates the extlinux.conf
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function post_family_config__force_uboot_rom_build_x86() {
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declare -g UBOOT_TARGET_MAP="all;;u-boot.rom" # Can't find the target that produces 'u-boot.rom', so for now 'make all'
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# x86 requires a bootscript, since it's a bzImage and non-mkimage'd initrd; extlinux chokes.
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declare -g BOOTSCRIPT="boot-qemu-x86.cmd:boot.cmd"
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}
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# Export the u-boot.rom file next to the disk image, so it can be used as qemu's firmware via the -bios option.
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function pre_umount_final_image__export_uboot_rom() {
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: "${version:?version is not set}"
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local uboot_name="linux-u-boot-${BRANCH}-${BOARD}_${REVISION}_${ARCH}"
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display_alert "Exporting u-boot.rom" "${uboot_name} - ${version}.u-boot.rom" "debug"
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run_host_command_logged cp -pv "${MOUNT}/usr/lib/${uboot_name}/u-boot.rom" "${DESTIMG}/${version}.u-boot.rom"
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}
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function board_docs__qemu-uboot-x86() {
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: "${version:?version is not set}"
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cat <<- DOCS
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## Upstream docs
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- https://u-boot.readthedocs.io/en/latest/arch/x86.html
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- https://u-boot.readthedocs.io/en/latest/board/emulation/qemu-x86.html
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## Running on qemu, via command line
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### On Linux (x86), with KVM acceleration
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\`\`\`bash
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qemu-system-x86_64 -accel kvm -machine q35,vmport=off -smp 8 -nographic -bios ${version}.u-boot.rom -m 2048 -nic user,model=virtio-net-pci -device virtio-blk-pci,drive=drive0,bootindex=0 -drive if=none,media=disk,id=drive0,file=${version}.img.qcow2,discard=unmap,detect-zeroes=unmap
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\`\`\`
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### On Mac (x86)
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\`\`\`bash
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# -accel hvf does not work for me, u-boot hangs. this makes it unpractical on macos (monterey). probably also works under darwin/arm64, it's emulated anyway.
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qemu-system-x86_64 -machine q35,vmport=off -smp 8 -nographic -bios ${version}.u-boot.rom -m 2048 -nic user,model=virtio-net-pci -device virtio-blk-pci,drive=drive0,bootindex=0 -drive if=none,media=disk,id=drive0,file=${version}.img.qcow2,discard=unmap,detect-zeroes=unmap
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\`\`\`
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DOCS
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}
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