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Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc, X86)
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RISC-V: Fix a PMP bug where it succeeds even if PMP entry is off 
The current implementation returns 1 (PMP check success) if the address is in
range even if the PMP entry is off. This is a bug.

For example, if there is a PMP check in S-Mode which is in range, but its PMP
entry is off, this will succeed, which it should not.

The patch fixes this bug by only checking the PMP permissions if the address is
in range and its corresponding PMP entry it not off. Otherwise, it will keep
the ret = -1 which will be checked and handled correctly at the end of the
function.

Backports commit f8162068f18f2f264a0355938784f54089234211 from qemu
2019-08-08 16:55:52 -04:00
bindings support for YMM registers ymm8-ymm15 (#1079) 2019-04-16 06:35:41 -04:00
docs fix invalid script path (#975) (#976) 2019-02-28 17:02:06 -05:00
include target/riscv: Initial introduction of the RISC-V target 2019-03-08 21:46:10 -05:00
msvc msvc: Define CONFIG_TCG 2019-01-30 13:52:30 -05:00
qemu RISC-V: Fix a PMP bug where it succeeds even if PMP entry is off 2019-08-08 16:55:52 -04:00
samples target/riscv: Initial introduction of the RISC-V target 2019-03-08 21:46:10 -05:00
tests Add missing x86_vec regression test 2019-02-28 17:08:19 -05:00
.appveyor.yml MSYS test (#852) 2017-06-25 10:11:35 +08:00
.gitignore target/riscv: Initial introduction of the RISC-V target 2019-03-08 21:46:10 -05:00
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install-cmocka-linux.sh Start moving examples in S files (#851) 2017-06-25 10:14:22 +08:00
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make.sh Update help description for make.sh (#1078) 2019-04-16 06:38:53 -04:00
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uc.c uc: Restore armeb target 2019-04-19 15:29:25 -04:00
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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.