asteroids game rewrite

src/system/kernel/multitasking/mod.rs

@@ -0,0 +1,2 @@
+pub mod thread;
+mod thread_switch;

src/system/kernel/multitasking/thread.rs

@@ -0,0 +1,9 @@
+use x86_64::VirtAddr;
+use crate::system::kernel::memory::{StackBounds, ThreadId};
+
+#[derive(Debug)]
+pub struct Thread {
+	id: ThreadId,
+	stack_ptr: Option<VirtAddr>,
+	stack_bounds: Option<StackBounds>,
+}

src/system/kernel/multitasking/thread_switch.asm

@@ -0,0 +1,12 @@
+
+.intel_syntax noprefix
+    pushfq
+
+    mov rax, rsp
+    mov rsp, rdi
+
+    mov rdi, rax
+    call add_paused_thread
+
+    popfq
+    ret

src/system/kernel/multitasking/thread_switch.rs

@@ -0,0 +1,2 @@
+use core::arch::global_asm;
+global_asm!(include_str!("thread_switch.asm"));