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QEMU SiFive Unleashed Machine Platform
======================================
The **QEMU SiFive Unleashed Machine** is an emulation of the SiFive Unleashed
platform.
To build this platform specific library and firmwares, provide the
*PLATFORM=qemu/sifive_u* parameter to the top level `make` command line.
Platform Options
----------------
The *QEMU SiFive Unleashed Machine* platform does not have any platform specific
options.
Executing on QEMU RISC-V 64bit
------------------------------
**No Payload Case**
Build:
```
make PLATFORM=qemu/sifive_u
```
Run:
```
qemu-system-riscv64 -M sifive_u -m 256M -display none -serial stdio \
-kernel build/platform/qemu/sifive_u/firmware/fw_payload.elf
```
**U-Boot as a Payload**
Note: the command line examples here assume that U-Boot was compiled using
the `sifive_fu540_defconfig` configuration.
Build:
```
make PLATFORM=qemu/sifive_u FW_PAYLOAD_PATH=<uboot_build_directory>/u-boot.bin
```
Run:
```
qemu-system-riscv64 -M sifive_u -m 256M -display none -serial stdio \
-kernel build/platform/qemu/sifive_u/firmware/fw_payload.elf
```
or
```
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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