feat: implement context switching, SavedContext with pc/status fields, wire all syscall outcomes and timer preemption

2026-10-18 02:34:36 +02:00
parent 5a45c14cf5
commit 7724a5bd0a
7 changed files with 195 additions and 27 deletions
--- a/crates/kernel/src/tests/lifecycle.rs
+++ b/crates/kernel/src/tests/lifecycle.rs
@@ -28,9 +28,9 @@ fn spawn_thread_preserves_entry_and_stack() {
        SyscallOutcome::Complete(SyscallResult::Value(v)) => ThreadId::from_raw(v as u16),
        _ => panic!("expected Value"),
    };
-    let ctx = k.thread_context(tid);
+    let ctx = k.thread_context(tid).unwrap();
    assert_eq!(ctx.program_counter(), 0xDEAD);
-    assert_eq!(ctx.stack_pointer(), 0xBEEF);
+    assert_eq!(ctx.registers()[2], 0xBEEF);
 }

 #[test]