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Auto merge of #104101 - betrusted-io:xous-libstd-initial, r=bjorn3

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Add initial libstd support for Xous

This patchset adds some minimal support to the tier-3 target `riscv32imac-unknown-xous-elf`. The following features are supported:

* alloc
* thread creation and joining
* thread sleeping
* thread_local
* panic_abort
* mutex
* condvar
* stdout

Additionally, internal support for the various Xous primitives surrounding IPC have been added as part of the Xous FFI. These may be exposed as part of `std::os::xous::ffi` in the future, however for now they are not public.

This represents the minimum viable product. A future patchset will add support for networking and filesystem support.
This commit is contained in:
bors 2023-09-19 07:38:20 +00:00
commit ae9c330629
32 changed files with 2484 additions and 10 deletions
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2
library/std/src/process.rs
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@ -101,7 +101,7 @@
#![stable(feature = "process", since = "1.0.0")]
#![deny(unsafe_op_in_unsafe_fn)]
#[cfg(all(test, not(any(target_os = "emscripten", target_env = "sgx"))))]
#[cfg(all(test, not(any(target_os = "emscripten", target_env = "sgx", target_os = "xous"))))]
mod tests;
use crate::io::prelude::*;