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Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc, X86)
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Peter Maydell 92bf8ee620
target/arm: Correctly implement handling of HCR_EL2.{VI, VF} 
In commit 8a0fc3a29fc2315325400 we tried to implement HCR_EL2.{VI,VF},
but we got it wrong and had to revert it.

In that commit we implemented them as simply tracking whether there
is a pending virtual IRQ or virtual FIQ. This is not correct -- these
bits cause a software-generated VIRQ/VFIQ, which is distinct from
whether there is a hardware-generated VIRQ/VFIQ caused by the
external interrupt controller. So we need to track separately
the HCR_EL2 bit state and the external virq/vfiq line state, and
OR the two together to get the actual pending VIRQ/VFIQ state.

Fixes: 8a0fc3a29fc2315325400c738f807d0d4ae0ab7f

Backports commit 89430fc6f80a5aef1d4cbd6fc26b40c30793786c from qemu
2018-11-16 21:53:53 -05:00
bindings bindings/README: Add D bindings 2018-10-06 04:51:47 -04:00
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 cpu: Convert cpu_index into a bitmap 2018-03-21 08:06:07 -04:00
msvc Makefile: Rename TARGET_DIRS to TARGET_LIST 2018-06-08 19:22:45 -04:00
qemu target/arm: Correctly implement handling of HCR_EL2.{VI, VF} 2018-11-16 21:53:53 -05:00
samples Fuzz 2018-10-06 04:49:11 -04:00
tests Fuzz builds ok 2018-10-06 04:55:02 -04:00
.appveyor.yml MSYS test (#852) 2017-06-25 10:11:35 +08:00
.gitignore qapi: Move qapi-schema.json to qapi/, rename generated files 2018-03-09 11:35:11 -05:00
.travis.yml use new travis osx image and brew (#935) 2018-01-05 10:29:49 +08:00
AUTHORS.TXT
Brewfile Update Brewfile 2017-09-30 17:36:44 +07:00
ChangeLog
config.mk
COPYING
COPYING_GLIB
COPYING.LGPL2 LGPL2 for all header files under include/unicorn/ 2017-12-16 10:08:42 +08:00
CREDITS.TXT Adding Philippe Antoine to CREDITS 2018-10-06 04:50:10 -04:00
install-cmocka-linux.sh Start moving examples in S files (#851) 2017-06-25 10:14:22 +08:00
list.c
make.sh
Makefile Fuzz 2018-10-06 04:49:11 -04:00
msvc.bat
pkgconfig.mk
README.md add Clojure 2017-12-23 00:32:33 +08:00
uc.c i386: Fix initialization of x86 targets 2018-09-03 09:14:35 -04:00
windows_export.bat

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.