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@@ -38,7 +38,6 @@
* Introduction::
* QEMU PC System emulator::
* QEMU System emulator for non PC targets::
-* QEMU User space emulator::
* System requirements::
* Security::
* Implementation notes::
@@ -2487,342 +2486,6 @@ so should only be used with trusted guest OS.
@c man end
-@node QEMU User space emulator
-@chapter QEMU User space emulator
-
-@menu
-* Supported Operating Systems ::
-* Features::
-* Linux User space emulator::
-* BSD User space emulator ::
-@end menu
-
-@node Supported Operating Systems
-@section Supported Operating Systems
-
-The following OS are supported in user space emulation:
-
-@itemize @minus
-@item
-Linux (referred as qemu-linux-user)
-@item
-BSD (referred as qemu-bsd-user)
-@end itemize
-
-@node Features
-@section Features
-
-QEMU user space emulation has the following notable features:
-
-@table @strong
-@item System call translation:
-QEMU includes a generic system call translator. This means that
-the parameters of the system calls can be converted to fix
-endianness and 32/64-bit mismatches between hosts and targets.
-IOCTLs can be converted too.
-
-@item POSIX signal handling:
-QEMU can redirect to the running program all signals coming from
-the host (such as @code{SIGALRM}), as well as synthesize signals from
-virtual CPU exceptions (for example @code{SIGFPE} when the program
-executes a division by zero).
-
-QEMU relies on the host kernel to emulate most signal system
-calls, for example to emulate the signal mask. On Linux, QEMU
-supports both normal and real-time signals.
-
-@item Threading:
-On Linux, QEMU can emulate the @code{clone} syscall and create a real
-host thread (with a separate virtual CPU) for each emulated thread.
-Note that not all targets currently emulate atomic operations correctly.
-x86 and ARM use a global lock in order to preserve their semantics.
-@end table
-
-QEMU was conceived so that ultimately it can emulate itself. Although
-it is not very useful, it is an important test to show the power of the
-emulator.
-
-@node Linux User space emulator
-@section Linux User space emulator
-
-@menu
-* Quick Start::
-* Wine launch::
-* Command line options::
-* Other binaries::
-@end menu
-
-@node Quick Start
-@subsection 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.
-
-@itemize
-
-@item On x86, you can just try to launch any process by using the native
-libraries:
-
-@example
-qemu-i386 -L / /bin/ls
-@end example
-
-@code{-L /} tells that the x86 dynamic linker must be searched with a
-@file{/} prefix.
-
-@item 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):
-
-@example
-qemu-i386 -L / qemu-i386 -L / /bin/ls
-@end example
-
-@item On non x86 CPUs, you need first to download at least an x86 glibc
-(@file{qemu-runtime-i386-XXX-.tar.gz} on the QEMU web page). Ensure that
-@code{LD_LIBRARY_PATH} is not set:
-
-@example
-unset LD_LIBRARY_PATH
-@end example
-
-Then you can launch the precompiled @file{ls} x86 executable:
-
-@example
-qemu-i386 tests/i386/ls
-@end example
-You can look at @file{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 @code{binfmt_misc} module in the
-Linux kernel.
-
-@item The x86 version of QEMU is also included. You can try weird things such as:
-@example
-qemu-i386 /usr/local/qemu-i386/bin/qemu-i386 \
- /usr/local/qemu-i386/bin/ls-i386
-@end example
-
-@end itemize
-
-@node Wine launch
-@subsection Wine launch
-
-@itemize
-
-@item 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:
-
-@example
-qemu-i386 /usr/local/qemu-i386/bin/ls-i386
-@end example
-
-@item Download the binary x86 Wine install
-(@file{qemu-XXX-i386-wine.tar.gz} on the QEMU web page).
-
-@item Configure Wine on your account. Look at the provided script
-@file{/usr/local/qemu-i386/@/bin/wine-conf.sh}. Your previous
-@code{$@{HOME@}/.wine} directory is saved to @code{$@{HOME@}/.wine.org}.
-
-@item Then you can try the example @file{putty.exe}:
-
-@example
-qemu-i386 /usr/local/qemu-i386/wine/bin/wine \
- /usr/local/qemu-i386/wine/c/Program\ Files/putty.exe
-@end example
-
-@end itemize
-
-@node Command line options
-@subsection Command line options
-
-@example
-@command{qemu-i386} [@option{-h]} [@option{-d]} [@option{-L} @var{path}] [@option{-s} @var{size}] [@option{-cpu} @var{model}] [@option{-g} @var{port}] [@option{-B} @var{offset}] [@option{-R} @var{size}] @var{program} [@var{arguments}...]
-@end example
-
-@table @option
-@item -h
-Print the help
-@item -L path
-Set the x86 elf interpreter prefix (default=/usr/local/qemu-i386)
-@item -s size
-Set the x86 stack size in bytes (default=524288)
-@item -cpu model
-Select CPU model (-cpu help for list and additional feature selection)
-@item -E @var{var}=@var{value}
-Set environment @var{var} to @var{value}.
-@item -U @var{var}
-Remove @var{var} from the environment.
-@item -B offset
-Offset guest address by the specified number of bytes. This is useful when
-the address region required by guest applications is reserved on the host.
-This option is currently only supported on some hosts.
-@item -R size
-Pre-allocate a guest virtual address space of the given size (in bytes).
-"G", "M", and "k" suffixes may be used when specifying the size.
-@end table
-
-Debug options:
-
-@table @option
-@item -d item1,...
-Activate logging of the specified items (use '-d help' for a list of log items)
-@item -p pagesize
-Act as if the host page size was 'pagesize' bytes
-@item -g port
-Wait gdb connection to port
-@item -singlestep
-Run the emulation in single step mode.
-@end table
-
-Environment variables:
-
-@table @env
-@item QEMU_STRACE
-Print system calls and arguments similar to the 'strace' program
-(NOTE: the actual 'strace' program will not work because the user
-space emulator hasn't implemented ptrace). At the moment this is
-incomplete. All system calls that don't have a specific argument
-format are printed with information for six arguments. Many
-flag-style arguments don't have decoders and will show up as numbers.
-@end table
-
-@node Other binaries
-@subsection Other binaries
-
-@cindex user mode (Alpha)
-@command{qemu-alpha} TODO.
-
-@cindex user mode (ARM)
-@command{qemu-armeb} TODO.
-
-@cindex user mode (ARM)
-@command{qemu-arm} is also capable of running ARM "Angel" semihosted ELF
-binaries (as implemented by the arm-elf and arm-eabi Newlib/GDB
-configurations), and arm-uclinux bFLT format binaries.
-
-@cindex user mode (ColdFire)
-@cindex user mode (M68K)
-@command{qemu-m68k} is capable of running semihosted binaries using the BDM
-(m5xxx-ram-hosted.ld) or m68k-sim (sim.ld) syscall interfaces, and
-coldfire uClinux bFLT format binaries.
-
-The binary format is detected automatically.
-
-@cindex user mode (Cris)
-@command{qemu-cris} TODO.
-
-@cindex user mode (i386)
-@command{qemu-i386} TODO.
-@command{qemu-x86_64} TODO.
-
-@cindex user mode (Microblaze)
-@command{qemu-microblaze} TODO.
-
-@cindex user mode (MIPS)
-@command{qemu-mips} executes 32-bit big endian MIPS binaries (MIPS O32 ABI).
-
-@command{qemu-mipsel} executes 32-bit little endian MIPS binaries (MIPS O32 ABI).
-
-@command{qemu-mips64} executes 64-bit big endian MIPS binaries (MIPS N64 ABI).
-
-@command{qemu-mips64el} executes 64-bit little endian MIPS binaries (MIPS N64 ABI).
-
-@command{qemu-mipsn32} executes 32-bit big endian MIPS binaries (MIPS N32 ABI).
-
-@command{qemu-mipsn32el} executes 32-bit little endian MIPS binaries (MIPS N32 ABI).
-
-@cindex user mode (NiosII)
-@command{qemu-nios2} TODO.
-
-@cindex user mode (PowerPC)
-@command{qemu-ppc64abi32} TODO.
-@command{qemu-ppc64} TODO.
-@command{qemu-ppc} TODO.
-
-@cindex user mode (SH4)
-@command{qemu-sh4eb} TODO.
-@command{qemu-sh4} TODO.
-
-@cindex user mode (SPARC)
-@command{qemu-sparc} can execute Sparc32 binaries (Sparc32 CPU, 32 bit ABI).
-
-@command{qemu-sparc32plus} can execute Sparc32 and SPARC32PLUS binaries
-(Sparc64 CPU, 32 bit ABI).
-
-@command{qemu-sparc64} can execute some Sparc64 (Sparc64 CPU, 64 bit ABI) and
-SPARC32PLUS binaries (Sparc64 CPU, 32 bit ABI).
-
-@node BSD User space emulator
-@section BSD User space emulator
-
-@menu
-* BSD Status::
-* BSD Quick Start::
-* BSD Command line options::
-@end menu
-
-@node BSD Status
-@subsection BSD Status
-
-@itemize @minus
-@item
-target Sparc64 on Sparc64: Some trivial programs work.
-@end itemize
-
-@node BSD Quick Start
-@subsection Quick Start
-
-In order to launch a BSD process, QEMU needs the process executable
-itself and all the target dynamic libraries used by it.
-
-@itemize
-
-@item On Sparc64, you can just try to launch any process by using the native
-libraries:
-
-@example
-qemu-sparc64 /bin/ls
-@end example
-
-@end itemize
-
-@node BSD Command line options
-@subsection Command line options
-
-@example
-@command{qemu-sparc64} [@option{-h]} [@option{-d]} [@option{-L} @var{path}] [@option{-s} @var{size}] [@option{-bsd} @var{type}] @var{program} [@var{arguments}...]
-@end example
-
-@table @option
-@item -h
-Print the help
-@item -L path
-Set the library root path (default=/)
-@item -s size
-Set the stack size in bytes (default=524288)
-@item -ignore-environment
-Start with an empty environment. Without this option,
-the initial environment is a copy of the caller's environment.
-@item -E @var{var}=@var{value}
-Set environment @var{var} to @var{value}.
-@item -U @var{var}
-Remove @var{var} from the environment.
-@item -bsd type
-Set the type of the emulated BSD Operating system. Valid values are
-FreeBSD, NetBSD and OpenBSD (default).
-@end table
-
-Debug options:
-
-@table @option
-@item -d item1,...
-Activate logging of the specified items (use '-d help' for a list of log items)
-@item -p pagesize
-Act as if the host page size was 'pagesize' bytes
-@item -singlestep
-Run the emulation in single step mode.
-@end table
-
@node System requirements
@chapter System requirements