From ace65b453151845bc361f21f3e5b651c35f9f126 Mon Sep 17 00:00:00 2001
From: Jon Santmyer <jon@jonsantmyer.com>
Date: Wed, 22 May 2024 13:00:41 -0400
Subject: massive refactor for mp and organization

---
 arch/x86_64/tasking.c | 86 ---------------------------------------------------
 1 file changed, 86 deletions(-)
 delete mode 100644 arch/x86_64/tasking.c

(limited to 'arch/x86_64/tasking.c')

diff --git a/arch/x86_64/tasking.c b/arch/x86_64/tasking.c
deleted file mode 100644
index 9b29330..0000000
--- a/arch/x86_64/tasking.c
+++ /dev/null
@@ -1,86 +0,0 @@
-#include "usr/tasking.h"
-#include "mem/memory.h"
-#include "io/log.h"
-#include "lib/hashtable.h"
-#include "lib/string.h"
-#include "paging.h"
-#include "cpu.h"
-#include "tss.h"
-
-struct TaskBody {
-    struct Task base;
-    struct Registers state;
-};
-
-struct Task *task_current;
-uintptr_t _kernel_task_bp = 0;
-
-//static struct SLinkedList s_tasks;
-static struct HashTable s_tasks;
-
-static struct SlabCache s_task_cache;
-static struct SlabCache s_kbp_cache;
-
-static tid_t s_task_id_next = 1;
-
-static size_t
-s_task_hash_func(const void* tid, size_t _)
-{
-    return (tid_t)tid;
-}
-
-void
-tasking_setup(void)
-{
-    hashtable_new(&s_tasks, struct TaskBody*, tid_t);
-    s_tasks.hash_function = s_task_hash_func;
- 
-    mem_slabcache_new(&s_task_cache, "tasks", sizeof(struct TaskBody));
-    mem_slabcache_new(&s_kbp_cache, "kernel stacks", 4096);
-
-    struct TaskBody *ktask = mem_slab_alloc(&s_task_cache);
-    *ktask = (struct TaskBody){
-        .base.id = s_task_id_next++,
-        .base.kbp = ((uintptr_t)mem_slab_alloc(&s_kbp_cache)) + 0xFF0,
-        .base.perm = (size_t)-1,
-        .base.pd = current_page_directory
-    };
-    hashtable_insert(&s_tasks, 0, ktask);
-
-    task_current = (struct Task*)ktask;
-    tss_set_rsp(0, task_current->kbp);
-    _kernel_task_bp = task_current->kbp;
-}
-
-struct Task*
-task_new(struct Task *parent)
-{
-    struct TaskBody *new = mem_slab_alloc(&s_task_cache);
-    memcpy(new, parent, sizeof(struct TaskBody));
-    new->base.id = s_task_id_next++;
-    
-    uintptr_t ksp_base = (uintptr_t)mem_slab_alloc(&s_kbp_cache);
-    new->base.kbp = ksp_base + 0xFFF;
-    new->base.perm = parent->perm;
-
-    hashtable_insert(&s_tasks, (void*)new->base.id, new);
-    return (struct Task*)new;
-}
-
-struct Task*
-task_get(tid_t id)
-{
-    struct Task **task = hashtable_get(&s_tasks, (void*)id, struct Task*);
-    if(task == NULL) return NULL;
-    return *task;
-}
-
-void
-task_free(struct Task *task)
-{
-    struct TaskBody *body = (struct TaskBody*)task;
-    task->pd->ref--;
-    task->kbp -= 0xFFF;
-    mem_slab_free(&s_kbp_cache, (void*)(task->kbp));
-    klogf("Need impl for task_free\n");
-}
-- 
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