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Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc, X86)
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Paolo Bonzini 55c2a21fe8
target-i386: Fix addr16 prefix 
While ADDSEG will only be false in 16-bit mode for LEA, it can be
false even in other cases when 16-bit addresses are obtained via
the 67h prefix in 32-bit mode. In this case, gen_lea_v_seg forgets
to add a nonzero FS or GS base if CS/DS/ES/SS are all zero. This
case is pretty rare but happens when booting Windows 95/98, and
this patch fixes it.

The bug is visible since commit d6a291498, but it was introduced
together with gen_lea_v_seg and it probably could be reproduced
with a "addr16 gs movsb" instruction as early as in commit
ca2f29f555805d07fb0b9ebfbbfc4e3656530977.

Backports commit e2e02a820741ec4d96b8f313b06a2a7ed5e94fbd from qemu
2018-02-21 21:21:26 -05:00
bindings link to Crystal binding 2017-12-23 00:26:40 +08:00
docs Added note about installing tests dependencies on Mac OS X. Added note about tests failing when required architecture support is disabled in build. (#908) 2017-10-12 19:56:00 +08:00
include include: Move RAMList to ramlist.h 2018-02-20 08:47:51 -05:00
msvc qapi-visit: Less indirection in visit_type_Foo_fields() 2018-02-20 16:00:37 -05:00
qemu target-i386: Fix addr16 prefix 2018-02-21 21:21:26 -05:00
samples Fixed register mistake in comments (#894) 2017-09-17 16:40:01 +07:00
tests add 64-bit test demonstrating setting MSRs and FS/GS segments (#901) 2017-09-29 04:26:23 +08:00
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install-cmocka-linux.sh Start moving examples in S files (#851) 2017-06-25 10:14:22 +08:00
list.c callback to count number of instructions in uc_emu_start() should be executed first. fix #727 2017-06-16 13:22:38 +08:00
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README.md

Unicorn Engine

Join the chat at https://gitter.im/unicorn-engine/chat

Build Status Build status

Unicorn is a lightweight, multi-platform, multi-architecture CPU emulator framework based on QEMU.

Unicorn offers some unparalleled features:

  • Multi-architecture: ARM, ARM64 (ARMv8), M68K, MIPS, SPARC, and X86 (16, 32, 64-bit)
  • Clean/simple/lightweight/intuitive architecture-neutral API
  • Implemented in pure C language, with bindings for Crystal, Clojure, Visual Basic, Perl, Rust, Ruby, Python, Java, .NET, Go, Delphi/Free Pascal and Haskell.
  • Native support for Windows & *nix (with Mac OSX, Linux, *BSD & Solaris confirmed)
  • High performance via Just-In-Time compilation
  • Support for fine-grained instrumentation at various levels
  • Thread-safety by design
  • Distributed under free software license GPLv2

Further information is available at http://www.unicorn-engine.org

License

This project is released under the GPL license.

Compilation & Docs

See docs/COMPILE.md file for how to compile and install Unicorn.

More documentation is available in docs/README.md.

Contact

Contact us via mailing list, email or twitter for any questions.

Contribute

If you want to contribute, please pick up something from our Github issues.

We also maintain a list of more challenged problems in a TODO list.

CREDITS.TXT records important contributors of our project.