qemu-doc: remove target OS documentation
This section covers OSes up to Windows 2000, and as such it is mostly obsolete. Zap it. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Tested-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20200228153619.9906-3-peter.maydell@linaro.org Message-id: 20200226113034.6741-3-pbonzini@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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@ -148,7 +148,6 @@ accelerator is required to use more than one host CPU for emulation.
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* vnc_security:: VNC security
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* vnc_security:: VNC security
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* network_tls:: TLS setup for network services
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* network_tls:: TLS setup for network services
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* gdb_usage:: GDB usage
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* gdb_usage:: GDB usage
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* pcsys_os_specific:: Target OS specific information
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@end menu
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@end menu
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@node pcsys_introduction
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@node pcsys_introduction
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@ -1605,101 +1604,6 @@ received: "OK"
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@end example
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@end example
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@end table
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@end table
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@node pcsys_os_specific
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@section Target OS specific information
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@subsection Linux
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To have access to SVGA graphic modes under X11, use the @code{vesa} or
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the @code{cirrus} X11 driver. For optimal performances, use 16 bit
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color depth in the guest and the host OS.
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When using a 2.6 guest Linux kernel, you should add the option
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@code{clock=pit} on the kernel command line because the 2.6 Linux
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kernels make very strict real time clock checks by default that QEMU
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cannot simulate exactly.
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When using a 2.6 guest Linux kernel, verify that the 4G/4G patch is
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not activated because QEMU is slower with this patch. The QEMU
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Accelerator Module is also much slower in this case. Earlier Fedora
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Core 3 Linux kernel (< 2.6.9-1.724_FC3) were known to incorporate this
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patch by default. Newer kernels don't have it.
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@subsection Windows
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If you have a slow host, using Windows 95 is better as it gives the
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best speed. Windows 2000 is also a good choice.
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@subsubsection SVGA graphic modes support
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QEMU emulates a Cirrus Logic GD5446 Video
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card. All Windows versions starting from Windows 95 should recognize
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and use this graphic card. For optimal performances, use 16 bit color
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depth in the guest and the host OS.
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If you are using Windows XP as guest OS and if you want to use high
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resolution modes which the Cirrus Logic BIOS does not support (i.e. >=
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1280x1024x16), then you should use the VESA VBE virtual graphic card
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(option @option{-std-vga}).
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@subsubsection CPU usage reduction
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Windows 9x does not correctly use the CPU HLT
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instruction. The result is that it takes host CPU cycles even when
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idle. You can install the utility from
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@url{https://web.archive.org/web/20060212132151/http://www.user.cityline.ru/~maxamn/amnhltm.zip}
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to solve this problem. Note that no such tool is needed for NT, 2000 or XP.
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@subsubsection Windows 2000 disk full problem
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Windows 2000 has a bug which gives a disk full problem during its
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installation. When installing it, use the @option{-win2k-hack} QEMU
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option to enable a specific workaround. After Windows 2000 is
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installed, you no longer need this option (this option slows down the
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IDE transfers).
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@subsubsection Windows 2000 shutdown
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Windows 2000 cannot automatically shutdown in QEMU although Windows 98
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can. It comes from the fact that Windows 2000 does not automatically
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use the APM driver provided by the BIOS.
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In order to correct that, do the following (thanks to Struan
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Bartlett): go to the Control Panel => Add/Remove Hardware & Next =>
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Add/Troubleshoot a device => Add a new device & Next => No, select the
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hardware from a list & Next => NT Apm/Legacy Support & Next => Next
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(again) a few times. Now the driver is installed and Windows 2000 now
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correctly instructs QEMU to shutdown at the appropriate moment.
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@subsubsection Share a directory between Unix and Windows
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See @ref{sec_invocation} about the help of the option
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@option{'-netdev user,smb=...'}.
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@subsubsection Windows XP security problem
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Some releases of Windows XP install correctly but give a security
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error when booting:
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@example
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A problem is preventing Windows from accurately checking the
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license for this computer. Error code: 0x800703e6.
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@end example
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The workaround is to install a service pack for XP after a boot in safe
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mode. Then reboot, and the problem should go away. Since there is no
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network while in safe mode, its recommended to download the full
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installation of SP1 or SP2 and transfer that via an ISO or using the
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vvfat block device ("-hdb fat:directory_which_holds_the_SP").
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@subsection MS-DOS and FreeDOS
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@subsubsection CPU usage reduction
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DOS does not correctly use the CPU HLT instruction. The result is that
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it takes host CPU cycles even when idle. You can install the utility from
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@url{https://web.archive.org/web/20051222085335/http://www.vmware.com/software/dosidle210.zip}
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to solve this problem.
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@node QEMU System emulator for non PC targets
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@node QEMU System emulator for non PC targets
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@chapter QEMU System emulator for non PC targets
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@chapter QEMU System emulator for non PC targets
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