GKaszewski/k-os
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refactor: unsafe only in adapter + libkos; forbid(unsafe_code) everywhere else; libkos Window (volatile, bounds-checked MMIO/DMA/shared mem), entry!, thread::spawn; MapRegion returns pages; kernel const-built (with_cores/install_platform); newtype addrs

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This commit is contained in:
Gabriel Kaszewski
2026-10-27 21:43:24 +01:00
parent 83809bbe94
commit 842d14987c
107 changed files with 771 additions and 647 deletions
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12
crates/apps/spawntest/src/main.rs
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@@ -3,6 +3,7 @@
//! a child dies. Reports the whole self-test and halts.
#![no_std]
#![forbid(unsafe_code)]
#![no_main]
extern crate libkos;
@@ -19,8 +20,8 @@ const STORAGE: CapSlot = CapSlot::const_new(0);
const INIT: CapSlot = CapSlot::const_new(1);
const CONTROL: CapSlot = CapSlot::const_new(2);
/// Where storage's buffers are mapped: the whole disk's, a narrowed one's.
const STORAGE_BUF_VA: usize = 0x0180_0000;
const NARROW_BUF_VA: usize = 0x0190_0000;
const STORAGE_BUF_VA: types::address::VirtualAddress = types::address::VirtualAddress::from_raw(0x0180_0000);
const NARROW_BUF_VA: types::address::VirtualAddress = types::address::VirtualAddress::from_raw(0x0190_0000);
/// Read back from the disk image by scripts/test-qemu.sh.
const NOTE: &[u8] = b"written by k-os on ext4\n";
@@ -73,7 +74,7 @@ fn narrow_storage(fs: &mut Storage, died: CapSlot) -> Result<(), &'static str> {
if inner.create(b"x").err() != Some(FsError::Denied) {
return Err("a read-only grant created a file");
}
let widened = inner.grant(b"", true).and_then(|g| Storage::attach(g, NARROW_BUF_VA + 0x10_0000));
let widened = inner.grant(b"", true).and_then(|g| Storage::attach(g, types::address::VirtualAddress::from_raw(NARROW_BUF_VA.raw() + 0x10_0000)));
if widened.and_then(|mut w| w.create(b"x")).is_ok() {
return Err("a grant was widened to write");
}
@@ -112,8 +113,9 @@ fn check() -> Result<(), &'static str> {
Ok(())
}
#[unsafe(no_mangle)]
extern "C" fn main() {
libkos::entry!(main);
fn main() {
match check() {
Ok(()) => libkos::println!("SMPTEST PASS"),
Err(why) => libkos::println!("SMPTEST FAIL: {}", why),