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authorPaolo Bonzini <pbonzini@redhat.com>2016-10-06 14:59:26 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2016-10-07 10:05:11 +0200
commit1f3e7e41bb0ca09e322e95aab98e2593e1f6ff55 (patch)
treed4ce5bebec750cbd9ba2218db950a1eba0f9401e /qemu-tech.texi
parentf91c7e5235357d3bc0db02d6459238b901384bff (diff)
downloadqemu-arm-1f3e7e41bb0ca09e322e95aab98e2593e1f6ff55.tar.gz
qemu-doc: replace introduction with the one from the internals manual
The user manual has an obsolete introduction, and the one in the internals manual lists QEMU's features quite nicely. Drop the obsolete content and remove generic user-level documentation from qemu-tech. Reviewed-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'qemu-tech.texi')
-rw-r--r--qemu-tech.texi88
1 files changed, 0 insertions, 88 deletions
diff --git a/qemu-tech.texi b/qemu-tech.texi
index be1c210678..2ab7cd4cc3 100644
--- a/qemu-tech.texi
+++ b/qemu-tech.texi
@@ -41,7 +41,6 @@
@chapter Introduction
@menu
-* intro_features:: Features
* intro_x86_emulation:: x86 and x86-64 emulation
* intro_arm_emulation:: ARM emulation
* intro_mips_emulation:: MIPS emulation
@@ -51,93 +50,6 @@
* intro_other_emulation:: Other CPU emulation
@end menu
-@node intro_features
-@section Features
-
-QEMU is a FAST! processor emulator using a portable dynamic
-translator.
-
-QEMU has two operating modes:
-
-@itemize @minus
-
-@item
-Full system emulation. In this mode (full platform virtualization),
-QEMU emulates a full system (usually a PC), including a processor and
-various peripherals. It can be used to launch several different
-Operating Systems at once without rebooting the host machine or to
-debug system code.
-
-@item
-User mode emulation. In this mode (application level virtualization),
-QEMU can launch processes compiled for one CPU on another CPU, however
-the Operating Systems must match. This can be used for example to ease
-cross-compilation and cross-debugging.
-@end itemize
-
-As QEMU requires no host kernel driver to run, it is very safe and
-easy to use.
-
-QEMU generic features:
-
-@itemize
-
-@item User space only or full system emulation.
-
-@item Using dynamic translation to native code for reasonable speed.
-
-@item
-Working on x86, x86_64 and PowerPC32/64 hosts. Being tested on ARM,
-S390x, Sparc32 and Sparc64.
-
-@item Self-modifying code support.
-
-@item Precise exceptions support.
-
-@item
-Floating point library supporting both full software emulation and
-native host FPU instructions.
-
-@end itemize
-
-QEMU user mode emulation features:
-@itemize
-@item Generic Linux system call converter, including most ioctls.
-
-@item clone() emulation using native CPU clone() to use Linux scheduler for threads.
-
-@item Accurate signal handling by remapping host signals to target signals.
-@end itemize
-
-Linux user emulator (Linux host only) can be used to launch the Wine
-Windows API emulator (@url{http://www.winehq.org}). A BSD user emulator for BSD
-hosts is under development. It would also be possible to develop a
-similar user emulator for Solaris.
-
-QEMU full system emulation features:
-@itemize
-@item
-QEMU uses a full software MMU for maximum portability.
-
-@item
-QEMU can optionally use an in-kernel accelerator, like kvm. The accelerators
-execute some of the guest code natively, while
-continuing to emulate the rest of the machine.
-
-@item
-Various hardware devices can be emulated and in some cases, host
-devices (e.g. serial and parallel ports, USB, drives) can be used
-transparently by the guest Operating System. Host device passthrough
-can be used for talking to external physical peripherals (e.g. a
-webcam, modem or tape drive).
-
-@item
-Symmetric multiprocessing (SMP) even on a host with a single CPU. On a
-SMP host system, QEMU can use only one CPU fully due to difficulty in
-implementing atomic memory accesses efficiently.
-
-@end itemize
-
@node intro_x86_emulation
@section x86 and x86-64 emulation