From 9de9cc652377a15b2713b80bdad0f6b97e59d655 Mon Sep 17 00:00:00 2001
From: Gregory Bowne <gbowne144@gmail.com>
Date: Wed, 19 Nov 2025 08:44:15 -0800
Subject: [PATCH] Update scheduler.h

---
 kernel/scheduler.h | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/kernel/scheduler.h b/kernel/scheduler.h
index d6b6515..80aaed2 100644
--- a/kernel/scheduler.h
+++ b/kernel/scheduler.h
@@ -4,18 +4,21 @@
 #include <stdint.h>
 
 #define MAX_TASKS 8
-#define STACK_SIZE 1024
+#define STACK_SIZE 1024 // in bytes
 
 typedef struct task {
     uint32_t id;
-    void (*entry)(void);
-    uint32_t *stack_ptr;
+    
+    // The most important field: 
+    // Where was the stack pointer when we last left this task?
+    uint32_t *stack_ptr; 
+    
     struct task *next;
 } task_t;
 
 void scheduler_init();
 void scheduler_add_task(void (*entry)(void));
 void scheduler_schedule();
-void scheduler_yield();  // Optional for cooperative scheduling
+void scheduler_yield();
 
 #endif // SCHEDULER_H