Support for running wasm-wasi binaries #472
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…ation, added wasi zork application, added application to generate test text files
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…le directories, removed binary-specific applications, removed wasmi_simple_test
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Necessary for future usage by in-kernel WASM components, e.g., theseus-os#472
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…added description to applications/wasm Cargo.toml, improved wasm application usage text
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* See `applications/wasm` for examples on how to run WASM binaries.
* Key components and details:
* `kernel/wasm_interpreter` is the main interface between `wasmi` and the rest of Theseus.
* `applications/wasm` is the user frontend for invoking a WASM binary, which allows specifying access to directories, preopening files, and passing arguments to the WASM application.
* Basic WASI system calls are supported.
* WASM binaries are currently located in `extra_files/`, as are some test/demo files that are used by those WASM binaries. f4aa715
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This PR includes
applications/wasi_interpreter, a wasi interpreter that interfaces between Theseus and wasmi and currently supports the following wasi system calls:Additionally, this PR includes the following applications:
applications/wgrep: grep-2.0 compiled to wasi-wasm and run with wasi-interpreter sourceapplications/wzork: zork compiled to wasi-wasm and run with wasi-interpreter source, aboutapplications/wpee: pee (command to write to files) compiled to wasi-wasm and run with wasi-interpreter sourceapplications/wasmi_simple_test: Test application to verify thatwasmisuccessfully runs inno_stdenvironmentapplications/gen_test_files: Helper application to generate test text files (opening crawls from the Star Wars Saga)