On Wed, Nov 4, 2020 at 7:59 PM Heinrich Schuchardt xypron.glpk@gmx.de wrote:

How to add an emulated disk to QEMU may not be known to the user.

Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de

cf. riscv: enable SATA disk on QEMU RISC-V https://patchwork.ozlabs.org/project/uboot/list/?series=212093

---

doc/board/emulation/qemu-riscv.rst | 8 ++++++++ 1 file changed, 8 insertions(+)

diff --git a/doc/board/emulation/qemu-riscv.rst b/doc/board/emulation/qemu-riscv.rst index b68db95a45..3acd40630e 100644 --- a/doc/board/emulation/qemu-riscv.rst +++ b/doc/board/emulation/qemu-riscv.rst @@ -105,3 +105,11 @@ configurations are:

 qemu-system-riscv64 -nographic -machine virt -bios spl/u-boot-spl \
 -device loader,file=u-boot.itb,addr=0x80200000

+An attached disk can be emulated by adding::

• -device ich9-ahci,id=ahci \
• -drive if=none,file=riscv64.img,format=raw,id=mydisk \

nits: riscv.img, as I think 32-bit RISC-V should also work

• -device ide-hd,drive=mydisk,bus=ahci.0

+You will have to run 'scsi scan' to use it.

Otherwise LGTM: Reviewed-by: Bin Meng bin.meng@windriver.com