From 9c89433db5d51bb9fc5d97a551ec9ee9c8fa5b67 Mon Sep 17 00:00:00 2001
From: Starnakin <camille@chauvet.pro>
Date: Wed, 29 Jan 2025 13:30:42 +0100
Subject: [PATCH] fix: task: use 8bit represent ptr instead of 32 to fix stack
 ptr

---
 headers/task.h          | 4 ++--
 src/multitasking/fork.c | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/headers/task.h b/headers/task.h
index 55115f7..5033ce8 100644
--- a/headers/task.h
+++ b/headers/task.h
@@ -14,8 +14,8 @@ enum owner { OWNER_KERNEL, OWNER_USER };
 #define STACK_SIZE PAGE_SIZE * 4
 
 struct task {
-	u32 *esp;
-	u32 *esp0;
+	u8 *esp;
+	u8 *esp0;
 	u32 *cr3;  // physical
 	u32 *heap; // virtual
 	u32 *eip;
diff --git a/src/multitasking/fork.c b/src/multitasking/fork.c
index f871d34..84629eb 100644
--- a/src/multitasking/fork.c
+++ b/src/multitasking/fork.c
@@ -12,7 +12,7 @@ u16 fork(void)
 	child->daddy = current_task;
 	current_task->child = child;
 	memcpy(child->esp0, current_task->esp0, STACK_SIZE);
-	u32 *daddy_esp = 0;
+	u8 *daddy_esp;
 	asm("movl %%esp, %0" : "=m"(daddy_esp));
 	child->esp = child->esp0 + (daddy_esp - current_task->esp0);
 	toris();