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Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc, X86)
e9d507a193
In tlb_fill() we construct a syndrome register value from a fault status register value which is filled in by arm_tlb_fill(). arm_tlb_fill() returns FSR values which might be in the format used with short-format page descriptors, or the format used with long-format (LPAE) descriptors. The syndrome register always uses LPAE-format FSR status codes. It isn't actually possible to end up delivering a syndrome register value to the guest for a fault which is reported with a short-format FSR (that kind of stage 1 fault will only happen for an AArch32 translation regime which doesn't have a syndrome register, and can never be redirected to an AArch64 or Hyp exception level). Add an assertion which checks this, and adjust the code so that we construct a syndrome with an invalid status code, rather than allowing set bits in the FSR input to randomly corrupt other fields in the syndrome. Backports commit 65ed2ed90d9d81fd4b639029be850ea5651f919f from qemu |
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bindings | ||
docs | ||
include | ||
msvc | ||
qemu | ||
samples | ||
tests | ||
.appveyor.yml | ||
.gitignore | ||
.travis.yml | ||
AUTHORS.TXT | ||
Brewfile | ||
ChangeLog | ||
config.mk | ||
COPYING | ||
COPYING_GLIB | ||
COPYING.LGPL2 | ||
CREDITS.TXT | ||
install-cmocka-linux.sh | ||
list.c | ||
make.sh | ||
Makefile | ||
msvc.bat | ||
pkgconfig.mk | ||
README.md | ||
uc.c | ||
windows_export.bat |
Unicorn Engine
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.