[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH] docs/user: Remove outdated 'Quick Start' section
From: |
Laurent Vivier |
Subject: |
Re: [PATCH] docs/user: Remove outdated 'Quick Start' section |
Date: |
Sat, 13 Feb 2021 23:43:42 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 |
Le 22/11/2020 à 01:01, Peter Maydell a écrit :
> The 'Quick Start' section of the userspace emulator documentation is
> very old and outdated. In particular:
> - it suggests running x86-on-x86 emulation, which is the least
> interesting possible use case
> - it recommends that users download tarballs of guest binaries
> from the QEMU web page which we no longer provide there
>
> There's nothing salvageable here; delete it all.
>
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
> ---
> I'm open to suggestions that this is being too drastic;
> the main aim here is to remove references to tar.gz files
> that we haven't provided for years, as noted by
> https://bugs.launchpad.net/qemu/+bug/1884982
> Ideally the whole of docs/user could use a lot of love...
>
> docs/user/main.rst | 61 ----------------------------------------------
> 1 file changed, 61 deletions(-)
>
> diff --git a/docs/user/main.rst b/docs/user/main.rst
> index bd99b0fdbe9..49ccae3ecab 100644
> --- a/docs/user/main.rst
> +++ b/docs/user/main.rst
> @@ -45,67 +45,6 @@ emulator.
> Linux User space emulator
> -------------------------
>
> -Quick Start
> -~~~~~~~~~~~
> -
> -In order to launch a Linux process, QEMU needs the process executable
> -itself and all the target (x86) dynamic libraries used by it.
> -
> -- On x86, you can just try to launch any process by using the native
> - libraries::
> -
> - qemu-i386 -L / /bin/ls
> -
> - ``-L /`` tells that the x86 dynamic linker must be searched with a
> - ``/`` prefix.
> -
> -- Since QEMU is also a linux process, you can launch QEMU with QEMU
> - (NOTE: you can only do that if you compiled QEMU from the sources)::
> -
> - qemu-i386 -L / qemu-i386 -L / /bin/ls
> -
> -- On non x86 CPUs, you need first to download at least an x86 glibc
> - (``qemu-runtime-i386-XXX-.tar.gz`` on the QEMU web page). Ensure that
> - ``LD_LIBRARY_PATH`` is not set::
> -
> - unset LD_LIBRARY_PATH
> -
> - Then you can launch the precompiled ``ls`` x86 executable::
> -
> - qemu-i386 tests/i386/ls
> -
> - You can look at ``scripts/qemu-binfmt-conf.sh`` so that QEMU is
> - automatically launched by the Linux kernel when you try to launch x86
> - executables. It requires the ``binfmt_misc`` module in the Linux
> - kernel.
> -
> -- The x86 version of QEMU is also included. You can try weird things
> - such as::
> -
> - qemu-i386 /usr/local/qemu-i386/bin/qemu-i386 \
> - /usr/local/qemu-i386/bin/ls-i386
> -
> -Wine launch
> -~~~~~~~~~~~
> -
> -- Ensure that you have a working QEMU with the x86 glibc distribution
> - (see previous section). In order to verify it, you must be able to
> - do::
> -
> - qemu-i386 /usr/local/qemu-i386/bin/ls-i386
> -
> -- Download the binary x86 Wine install (``qemu-XXX-i386-wine.tar.gz``
> - on the QEMU web page).
> -
> -- Configure Wine on your account. Look at the provided script
> - ``/usr/local/qemu-i386/bin/wine-conf.sh``. Your previous
> - ``${HOME}/.wine`` directory is saved to ``${HOME}/.wine.org``.
> -
> -- Then you can try the example ``putty.exe``::
> -
> - qemu-i386 /usr/local/qemu-i386/wine/bin/wine \
> - /usr/local/qemu-i386/wine/c/Program\ Files/putty.exe
> -
> Command line options
> ~~~~~~~~~~~~~~~~~~~~
>
>
Applied to my linux-user-for-6.0 branch.
Thanks,
Laurent