From 56cfe9f2be542bcaddf71e0641efadaac43f183e Mon Sep 17 00:00:00 2001
From: 0x35c <>
Date: Tue, 4 Nov 2025 12:40:42 +0100
Subject: [PATCH] wip: handle new task creation

---
 src/kernel.c            |  1 +
 src/memory/memory.c     |  2 +-
 src/multitasking/task.c | 10 +++++++---
 3 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/kernel.c b/src/kernel.c
index b34cb2c..811d9b4 100644
--- a/src/kernel.c
+++ b/src/kernel.c
@@ -46,5 +46,6 @@ void kernel_main(multiboot_info_t *mbd, uint32_t magic)
 	create_kernel_task();
 	signal(4, bozo);
 	kill(0, 4);
+	create_task(42);
 	shell_init();
 }
diff --git a/src/memory/memory.c b/src/memory/memory.c
index 1aebc63..94610b1 100644
--- a/src/memory/memory.c
+++ b/src/memory/memory.c
@@ -13,7 +13,7 @@ struct frame_zone *head;
 
 void switch_pd(uint32_t *pd, uint32_t *cr3)
 {
-	current_pd = pd;
+	// current_pd = pd;
 	asm volatile("mov %0, %%cr3" ::"r"(cr3));
 }
 
diff --git a/src/multitasking/task.c b/src/multitasking/task.c
index d64dbbf..a295df4 100644
--- a/src/multitasking/task.c
+++ b/src/multitasking/task.c
@@ -34,12 +34,14 @@ struct task *create_task(uint8_t uid)
 		return NULL;
 	}
 	new_task->heap[768] = ((uint32_t)boot_page_table1 - HEAP_END) | 0x03;
-	memcpy(new_task->heap, current_task->heap, 4096);
-	switch_pd(new_task->heap, new_task->cr3);
+	// memcpy(new_task->heap, current_task->heap, 4096);
+	current_pd = new_task->heap;
+	// switch_pd(new_task->heap, new_task->cr3);
 
 	// Allocate new stack on the newly allocated pd
 	new_task->esp0 = alloc_pages(STACK_SIZE, NULL);
-	switch_pd(current_task->heap, current_task->cr3);
+	current_pd = kernel_pd;
+	// switch_pd(current_task->heap, current_task->cr3);
 	if (!new_task->esp0) {
 		vfree(new_task);
 		free_pages(new_task->heap, 4096);
@@ -49,6 +51,8 @@ struct task *create_task(uint8_t uid)
 	new_task->next = current_task->next;
 	new_task->prev = current_task;
 	current_task->next = new_task;
+	if (current_task->prev == current_task)
+		current_task->prev = new_task;
 
 	new_task->signals.pending = SIG_IGN;