From: Bin Meng Date: Thu, 18 Jul 2019 07:34:15 +0000 (-0700) Subject: doc: board: Convert README.qemu-arm to reST X-Git-Tag: v2019.10-rc1~16^2~20 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c586ff0122eadc7063ae9ee5c8aef88724c981d7;p=platform%2Fkernel%2Fu-boot.git doc: board: Convert README.qemu-arm to reST Convert plain text documentation to reStructuredText format and add it to Sphinx TOC tree. No essential content change. Signed-off-by: Bin Meng --- diff --git a/doc/board/emulation/index.rst b/doc/board/emulation/index.rst index 6d533f3..a2b1a60 100644 --- a/doc/board/emulation/index.rst +++ b/doc/board/emulation/index.rst @@ -6,4 +6,5 @@ Emulation .. toctree:: :maxdepth: 2 + qemu-arm qemu-x86 diff --git a/doc/README.qemu-arm b/doc/board/emulation/qemu-arm.rst similarity index 80% rename from doc/README.qemu-arm rename to doc/board/emulation/qemu-arm.rst index e67bc13..ca751d4 100644 --- a/doc/README.qemu-arm +++ b/doc/board/emulation/qemu-arm.rst @@ -1,9 +1,8 @@ -# SPDX-License-Identifier: GPL-2.0+ -# -# Copyright (C) 2017, Tuomas Tynkkynen +.. SPDX-License-Identifier: GPL-2.0+ +.. Copyright (C) 2017, Tuomas Tynkkynen -U-Boot on QEMU's 'virt' machine on ARM & AArch64 -================================================ +QEMU ARM +======== QEMU for ARM supports a special 'virt' machine designed for emulation and virtualization purposes. This document describes how to run U-Boot under it. @@ -26,11 +25,13 @@ Building U-Boot --------------- Set the CROSS_COMPILE environment variable as usual, and run: -- For ARM: +- For ARM:: + make qemu_arm_defconfig make -- For AArch64: +- For AArch64:: + make qemu_arm64_defconfig make @@ -38,31 +39,44 @@ Running U-Boot -------------- The minimal QEMU command line to get U-Boot up and running is: -- For ARM: +- For ARM:: + qemu-system-arm -machine virt -bios u-boot.bin -- For AArch64: +- For AArch64:: + qemu-system-aarch64 -machine virt -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. Additional persistent U-boot environment support can be added as follows: -- Create envstore.img using qemu-img: + +- Create envstore.img using qemu-img:: + qemu-img create -f raw envstore.img 64M -- Add a pflash drive parameter to the command line: + +- Add a pflash drive parameter to the command line:: + -drive if=pflash,format=raw,index=1,file=envstore.img Additional peripherals that have been tested to work in both U-Boot and Linux can be enabled with the following command line parameters: -- To add a Serial ATA disk via an Intel ICH9 AHCI controller, pass e.g.: +- To add a Serial ATA disk via an Intel ICH9 AHCI controller, pass e.g.:: + -drive if=none,file=disk.img,id=mydisk -device ich9-ahci,id=ahci -device ide-drive,drive=mydisk,bus=ahci.0 -- To add an Intel E1000 network adapter, pass e.g.: + +- To add an Intel E1000 network adapter, pass e.g.:: + -netdev user,id=net0 -device e1000,netdev=net0 -- To add an EHCI-compliant USB host controller, pass e.g.: + +- To add an EHCI-compliant USB host controller, pass e.g.:: + -device usb-ehci,id=ehci -- To add a NVMe disk, pass e.g.: + +- To add a NVMe disk, pass e.g.:: + -drive if=none,file=disk.img,id=mydisk -device nvme,drive=mydisk,serial=foo These have been tested in QEMU 2.9.0 but should work in at least 2.5.0 as well.