From 1061a11597ad7e9e85e0833e3feef2d7fa268d7b Mon Sep 17 00:00:00 2001 From: pjht Date: Sun, 9 Jun 2024 18:31:16 -0500 Subject: [PATCH] Initial commit --- .cargo/config.toml | 5 + .gitignore | 1 + Cargo.lock | 279 ++++++++++++++++++++++++++++++++++++++++++++ Cargo.toml | 9 ++ rust-toolchain.toml | 2 + src/main.rs | 52 +++++++++ 6 files changed, 348 insertions(+) create mode 100644 .cargo/config.toml create mode 100644 .gitignore create mode 100644 Cargo.lock create mode 100644 Cargo.toml create mode 100644 rust-toolchain.toml create mode 100644 src/main.rs diff --git a/.cargo/config.toml b/.cargo/config.toml new file mode 100644 index 0000000..bec4b7a --- /dev/null +++ b/.cargo/config.toml @@ -0,0 +1,5 @@ +[build] +target = "x86_64-unknown-mikros" + +[install] +root = "../os_build/sysroot" diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..ea8c4bf --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +/target diff --git a/Cargo.lock b/Cargo.lock new file mode 100644 index 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= { version = "0.1.0", path = "../dev_driver_rpc" } +devfs_rpc = { version = "0.1.0", path = "../devfs/devfs_rpc" } +file_rpc = { version = "0.1.0", path = "../file_rpc" } diff --git a/rust-toolchain.toml b/rust-toolchain.toml new file mode 100644 index 0000000..a5535e3 --- /dev/null +++ b/rust-toolchain.toml @@ -0,0 +1,2 @@ +[toolchain] +channel = "dev-x86_64-unknown-mikros" diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..0d0b7c7 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,52 @@ +use std::os::mikros::{ipc, syscalls::{self, get_initrd}}; + +struct Serv { + initrd: &'static [u8] +} + +impl dev_driver_rpc::Server for Serv { + fn open(&self, _path: &std::path::Path) -> Result { + Ok(0) + } +} + +impl file_rpc::Server for Serv { + fn read(&self, _fd: u64, pos: u64, len: usize) -> Result, ()> { + if pos as usize >= self.initrd.len() { + return Err(()) + } + let avail_bytes = self.initrd.len() - pos as usize; + let read_len = usize::min(len, avail_bytes); + Ok(self.initrd[(pos as usize)..((pos as usize)+read_len)].to_vec()) + } + + fn write(&self, _fd: u64, _pos: u64, data: &[u8]) -> Result<(), ()> { + print!("{}", std::str::from_utf8(data).map_err(|_| ())?); + Ok(()) + } + + fn close(&self, _fd: u64) { + } + + fn size(&self, _fd: u64) -> Option { + Some(self.initrd.len() as u64) + } +} + +fn main() { + let initrd = get_initrd(); + dev_driver_rpc::register_server(Box::new(Serv {initrd})); + file_rpc::register_server(Box::new(Serv {initrd})); + let devfs_pid; + loop { + if let Some(pid) = syscalls::try_get_registered(1) { + devfs_pid = pid; + break; + } + } + devfs_rpc::Client::new(devfs_pid).register_dev("initrd").unwrap(); + loop { + ipc::process_messages() + } +} +