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docs/platform: Update QEMU platforms documentation
Mostly reformating. Some minor edits. Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
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2 changed files with 93 additions and 59 deletions
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QEMU SiFive Unleashed Machine
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=============================
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QEMU SiFive Unleashed Machine Platform
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======================================
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The **QEMU SiFive Unleashed Machine** is an emulation of
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SiFive Unleashed platform.
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The **QEMU SiFive Unleashed Machine** is an emulation of the SiFive Unleashed
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platform.
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To build platform specific library and firmwares, provide
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`PLATFORM=qemu/sifive_u` parameter to top-level make.
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To build this platform specific library and firmwares, provide the
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*PLATFORM=qemu/sifive_u* parameter to the top level `make` command line.
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Platform Options
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----------------
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We don't have any platform specific options for this platform.
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The *QEMU SiFive Unleashed Machine* platform does not have any platform specific
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options.
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Try on QEMU RISC-V 64bit
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------------------------
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Executing on QEMU RISC-V 64bit
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------------------------------
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**No Payload**
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**No Payload Case**
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*Build*:
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Build:
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```
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make PLATFORM=qemu/virt
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```
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*Run*:
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```
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qemu-system-riscv64 -M sifive_u -m 256M -display none -serial stdio -kernel build/platform/qemu/sifive_u/firmware/fw_payload.elf
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make PLATFORM=qemu/virt
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```
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**U-Boot Payload**
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Run:
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```
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qemu-system-riscv64 -M sifive_u -m 256M -display none -serial stdio \
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-kernel build/platform/qemu/sifive_u/firmware/fw_payload.elf
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```
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*Note*: We assume that U-Boot is compiled using `qemu-riscv64_smode_defconfig`.
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**U-Boot as a Payload**
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*Build*:
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Note: the command line examples here assume that U-Boot was compiled using
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the `qemu-riscv64_smode_defconfig` configuration.
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Build:
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```
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make PLATFORM=qemu/virt FW_PAYLOAD_PATH=<uboot_build_directory>/u-boot.bin
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make PLATFORM=qemu/virt FW_PAYLOAD_PATH=<uboot_build_directory>/u-boot.bin
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```
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*Run*:
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Run:
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```
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qemu-system-riscv64 -M sifive_u -m 256M -display none -serial stdio \
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-kernel build/platform/qemu/sifive_u/firmware/fw_payload.elf
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```
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or
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```
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qemu-system-riscv64 -M sifive_u -m 256M -display none -serial stdio \
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-kernel build/platform/qemu/sifive_u/firmware/fw_jump.elf \
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-device loader,file=<uboot_build_directory>/u-boot.bin,addr=0x80200000
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```
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qemu-system-riscv64 -M sifive_u -m 256M -display none -serial stdio -kernel build/platform/qemu/sifive_u/firmware/fw_payload.elf
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or
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qemu-system-riscv64 -M sifive_u -m 256M -display none -serial stdio -kernel build/platform/qemu/sifive_u/firmware/fw_jump.elf -device loader,file=<uboot_build_directory>/u-boot.bin,addr=0x80200000
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```
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QEMU RISC-V Virt Machine
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========================
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QEMU RISC-V Virt Machine Platform
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=================================
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The **QEMU RISC-V Virt Machine** is virtual platform created
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for RISC-V software development. It is also referred to as
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QEMU RISC-V VirtIO machine because it uses VirtIO devices
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for network, storage, and other types of IO.
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The **QEMU RISC-V Virt Machine** is virtual platform created for RISC-V
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software development and test. It is also referred to as
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*QEMU RISC-V VirtIO machine* because it uses VirtIO devices for network,
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storage, and other types of IO.
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To build platform specific library and firmwares, provide
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`PLATFORM=qemu/virt` parameter to top-level make.
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To build platform specific library and firmwares, provide the
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*PLATFORM=qemu/virt* parameter to the top level `make` command.
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Platform Options
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----------------
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We don't have any platform specific options for this platform.
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The *QEMU RISC-V Virt Machine* platform does not have any platform specific
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options.
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Try on QEMU RISC-V 64bit
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------------------------
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Execution on QEMU RISC-V 64bit
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------------------------------
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**No Payload**
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**No Payload Case**
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*Build*:
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Build:
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```
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make PLATFORM=qemu/virt
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make PLATFORM=qemu/virt
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```
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*Run*:
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Run:
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```
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qemu-system-riscv64 -M virt -m 256M -display none -serial stdio -kernel build/platform/qemu/virt/firmware/fw_payload.elf
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qemu-system-riscv64 -M virt -m 256M -display none -serial stdio \
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-kernel build/platform/qemu/virt/firmware/fw_payload.elf
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```
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**U-Boot Payload**
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*Note*: We assume that U-Boot is compiled using `qemu-riscv64_smode_defconfig`.
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Note: the command line examples here assume that U-Boot was compiled using
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the `qemu-riscv64_smode_defconfig` configuration.
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*Build*:
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Build:
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```
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make PLATFORM=qemu/virt FW_PAYLOAD_PATH=<uboot_build_directory>/u-boot.bin
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```
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*Run*:
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```
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qemu-system-riscv64 -M virt -m 256M -display none -serial stdio -kernel build/platform/qemu/virt/firmware/fw_payload.elf
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or
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qemu-system-riscv64 -M virt -m 256M -display none -serial stdio -kernel build/platform/qemu/virt/firmware/fw_jump.elf -device loader,file=<uboot_build_directory>/u-boot.bin,addr=0x80200000
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make PLATFORM=qemu/virt FW_PAYLOAD_PATH=<uboot_build_directory>/u-boot.bin
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```
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**Linux Payload**
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Run:
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```
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qemu-system-riscv64 -M virt -m 256M -display none -serial stdio \
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-kernel build/platform/qemu/virt/firmware/fw_payload.elf
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```
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or
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```
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qemu-system-riscv64 -M virt -m 256M -display none -serial stdio \
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-kernel build/platform/qemu/virt/firmware/fw_jump.elf \
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-device loader,file=<uboot_build_directory>/u-boot.bin,addr=0x80200000
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```
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*Note*: We assume that Linux is compiled using `defconfig`.
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**Linux Kernel Payload**
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*Build*:
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Note: We assume that Linux kernel is compiled using
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*arch/riscv/configs/defconfig*.
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Build:
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```
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make PLATFORM=qemu/virt FW_PAYLOAD_PATH=<linux_build_directory>/arch/riscv/boot/Image
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make PLATFORM=qemu/virt FW_PAYLOAD_PATH=<linux_build_directory>/arch/riscv/boot/Image
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```
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*Run*:
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Run:
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```
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qemu-system-riscv64 -M virt -m 256M -display none -serial stdio -kernel build/platform/qemu/virt/firmware/fw_payload.elf -drive file=<path_to_linux_rootfs>,format=raw,id=hd0 -device virtio-blk-device,drive=hd0 -append "root=/dev/vda rw console=ttyS0"
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or
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qemu-system-riscv64 -M virt -m 256M -display none -serial stdio -kernel build/platform/qemu/virt/firmware/fw_jump.elf -device loader,file=<linux_build_directory>/arch/riscv/boot/Image,addr=0x80200000 -drive file=<path_to_linux_rootfs>,format=raw,id=hd0 -device virtio-blk-device,drive=hd0 -append "root=/dev/vda rw console=ttyS0"
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```
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qemu-system-riscv64 -M virt -m 256M -display none -serial stdio \
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-kernel build/platform/qemu/virt/firmware/fw_payload.elf \
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-drive file=<path_to_linux_rootfs>,format=raw,id=hd0 \
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-device virtio-blk-device,drive=hd0 \
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-append "root=/dev/vda rw console=ttyS0"
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```
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or
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```
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qemu-system-riscv64 -M virt -m 256M -display none -serial stdio \
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-kernel build/platform/qemu/virt/firmware/fw_jump.elf \
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-device loader,file=<linux_build_directory>/arch/riscv/boot/Image,addr=0x80200000 \
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-drive file=<path_to_linux_rootfs>,format=raw,id=hd0 \
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-device virtio-blk-device,drive=hd0 \
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-append "root=/dev/vda rw console=ttyS0"
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```
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