From 7393da2f4ab11959e487281f12059b4eab9fc965 Mon Sep 17 00:00:00 2001 From: Erin Date: Sat, 3 Jun 2017 13:00:01 -0500 Subject: [PATCH] Add Rust stuff (unwind stubs, kernel_main() stub) --- Cargo.lock | 217 +++++++++++++++++++++++++++++++++++++++++++++++ Cargo.toml | 11 +++ src/lib.rs | 28 ++++++ x86_64-unknown-none.json | 13 +++ 4 files changed, 269 insertions(+) create mode 100644 Cargo.lock create mode 100644 Cargo.toml create mode 100644 src/lib.rs create mode 100644 x86_64-unknown-none.json diff --git a/Cargo.lock b/Cargo.lock new file mode 100644 index 0000000..dc8e991 --- /dev/null +++ b/Cargo.lock @@ -0,0 +1,217 @@ +[root] +name = "sparkle_os" +version = "0.1.0" +dependencies = [ + "rlibc 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)", + "x86 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] +name = "bitflags" +version = "0.7.0" +source = "registry+https://github.com/rust-lang/crates.io-index" + +[[package]] +name = "byteorder" 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b/src/lib.rs @@ -0,0 +1,28 @@ +#![feature(lang_items)] +#![no_std] + +extern crate rlibc; + +#[no_mangle] +pub extern fn kernel_main() { + //////////// !!! WARNING !!! //////////// + // WE HAVE AN EXTREMELY SMALL STACK // + // AND NO GUARD PAGE // + ///////////////////////////////////////// + + loop {} +} + +#[lang = "eh_personality"] +#[no_mangle] +pub extern fn eh_personality() {} +#[lang = "panic_fmt"] +#[no_mangle] +pub extern fn panic_fmt() -> ! {loop{}} + +#[allow(non_snake_case)] +#[no_mangle] +pub extern "C" fn _Unwind_Resume() -> ! { + // we should hlt here + loop {} +} \ No newline at end of file diff --git a/x86_64-unknown-none.json b/x86_64-unknown-none.json new file mode 100644 index 0000000..a1ae421 --- /dev/null +++ b/x86_64-unknown-none.json @@ -0,0 +1,13 @@ +{ + "llvm-target": "x86_64-unknown-none", + "arch": "x86_64", + "os": "none", + "linker-flavor": "gcc", + + "data-layout": "e-m:e-i64:64-f80:128-n8:16:32:64-S128", + "target-endian": "little", + "target-pointer-width": "64", + + "disable-redzone": true, + "features": "-mmx,-sse,+soft-float" +} \ No newline at end of file