From f0b1831864db8c1f234983672f414ced35ee3902 Mon Sep 17 00:00:00 2001
From: Heinrich Schuchardt <xypron.glpk@gmx.de>
Date: Wed, 4 Nov 2020 12:59:13 +0100
Subject: [PATCH] doc: qemu-riscv: describe attaching a disk image
How to add an emulated disk to QEMU may not be known to the user.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
---
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 \
+ -device ide-hd,drive=mydisk,bus=ahci.0
+
+You will have to run 'scsi scan' to use it.
--
2.39.5