arm: qemu: Mention -nographic in the docs
Without this option QEMU appears to hang. Add it to avoid confusion.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/doc/board/emulation/qemu-arm.rst b/doc/board/emulation/qemu-arm.rst
index 7c24e29..23abe09 100644
--- a/doc/board/emulation/qemu-arm.rst
+++ b/doc/board/emulation/qemu-arm.rst
@@ -41,14 +41,15 @@
- For ARM::
- qemu-system-arm -machine virt -bios u-boot.bin
+ qemu-system-arm -machine virt -nographic -bios u-boot.bin
- For AArch64::
- qemu-system-aarch64 -machine virt -cpu cortex-a57 -bios u-boot.bin
+ qemu-system-aarch64 -machine virt -nographic -cpu cortex-a57 -bios u-boot.bin
Note that for some odd reason qemu-system-aarch64 needs to be explicitly
-told to use a 64-bit CPU or it will boot in 32-bit mode.
+told to use a 64-bit CPU or it will boot in 32-bit mode. The -nographic argument
+ensures that output appears on the terminal. Use Ctrl-A X to quit.
Additional persistent U-boot environment support can be added as follows: