From 6709aa9de5dc2a5d18ea27fac678ac27a2cfa8f9 Mon Sep 17 00:00:00 2001
From: antifallobst <antifallobst@systemausfall.org>
Date: Tue, 2 May 2023 21:19:23 +0200
Subject: [PATCH] feature (threads): added default end point for thread
 execution

---
 src/proc/scheduler.c | 4 ----
 src/proc/thread.c    | 9 +++++++--
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/proc/scheduler.c b/src/proc/scheduler.c
index b85751e..aa3de50 100644
--- a/src/proc/scheduler.c
+++ b/src/proc/scheduler.c
@@ -111,7 +111,6 @@ thread_T* scheduler_register_thread(thread_T* thread) {
     thread->process->num_threads++;
     g_scheduler.num_threads++;
 
-    log(LOG_INFO, "<Scheduler> Registered thread");
     scheduler_update_info();
 
     return thread;
@@ -119,13 +118,11 @@ thread_T* scheduler_register_thread(thread_T* thread) {
 
 void scheduler_pause_thread(thread_T* thread) {
     scheduler_queue_remove_thread(thread);
-    log(LOG_INFO, "<Scheduler> Paused thread");
     scheduler_update_info();
 }
 
 void scheduler_start_thread(thread_T* thread) {
     scheduler_queue_add_thread(thread);
-    log(LOG_INFO, "<Scheduler> Started thread");
     scheduler_update_info();
 }
 
@@ -147,7 +144,6 @@ void scheduler_kill_thread(thread_T* thread) {
     thread->process->num_threads--;
     g_scheduler.num_threads--;
 
-    log(LOG_INFO, "<Scheduler> Killed thread");
     scheduler_update_info();
 }
 
diff --git a/src/proc/thread.c b/src/proc/thread.c
index 3e4591b..c42eb18 100644
--- a/src/proc/thread.c
+++ b/src/proc/thread.c
@@ -9,6 +9,11 @@
 #include "utils/memory.h"
 #include "utils/logger.h"
 
+void thread_end_point() {
+    // this has to kill the thread in future
+    while (1) asm("hlt");
+}
+
 thread_T* thread_spawn(pid_t process, void* function) {
     thread_T* thread = memory_allocate(sizeof(thread_T));
 
@@ -29,8 +34,6 @@ thread_T* thread_spawn(pid_t process, void* function) {
 
     uint8_t* base = (uint8_t*)((process == PROCESS_KERNEL ? MEM_REGION_KERNEL_THREAD_BASE : MEM_REGION_PROCESS_THREAD_BASE) + (MEM_REGION_THREAD_OFFSET * thread->local_id));
 
-    log(LOG_DEBUG, "spawning thread with base address: 0x%x", base);
-
     thread->cpu_time   = 0;
 
     thread->stack_size = PFRAME_SIZE * 4;
@@ -41,6 +44,8 @@ thread_T* thread_spawn(pid_t process, void* function) {
         page_map_map_memory(g_kernel_page_map, MEM_REGION_KERNEL_STACK_DUMMY + i * PFRAME_SIZE, physical_address, PM_FLAG_READ_WRITE);
     }
 
+    *((uint64_t*)(MEM_REGION_KERNEL_STACK_DUMMY + (thread->stack_size - sizeof(cpu_state_T) - 8))) = (uint64_t)thread_end_point;
+
     cpu_state_T state = {
             .cr3 = (uint64_t)thread->process->page_map,
             .rax = 0,