From 95cd78840f0891e60f5ebecc8a8eb4fbaf3c2ebf Mon Sep 17 00:00:00 2001
From: Danny Holman <dholman@gymli.org>
Date: Sun, 12 Jan 2025 01:17:36 -0600
Subject: PROJECT RESTRUCTURING

Move the entire kernel into its own directory. Create new directories
for system commands, libraries and other required essentials for a
complete Unix-like operating system.

Signed-off-by: Danny Holman <dholman@gymli.org>
---
 arch/i386/kernel/kmalloc.c | 68 ----------------------------------------------
 1 file changed, 68 deletions(-)
 delete mode 100644 arch/i386/kernel/kmalloc.c

(limited to 'arch/i386/kernel/kmalloc.c')

diff --git a/arch/i386/kernel/kmalloc.c b/arch/i386/kernel/kmalloc.c
deleted file mode 100644
index ea77428..0000000
--- a/arch/i386/kernel/kmalloc.c
+++ /dev/null
@@ -1,68 +0,0 @@
-#include <libk/kmalloc.h>
-#include <kernel/paging.h>
-#include <kernel/pmem.h>
-#include <kernel/asm.h>
-#include <kernel/vmem.h>
-#include <kernel/panic.h>
-#include <stdint.h>
-
-static uintptr_t heap_start = KEND + 0xC0001000;
-static uintptr_t heap_end = 0xFFBFF000;
-
-static void *kbrk = NULL;
-static struct mem_block *first = NULL;
-
-void _request_page(void) {
-        uintptr_t paddr = pfa_alloc(1);
-        uintptr_t vaddr = PGROUNDDN((uintptr_t)kbrk + PAGE_SIZE);
-        kbrk += PAGE_SIZE;
-        map_page(paddr, vaddr, PD_PRES | PD_RW);
-}
-
-void kmalloc_init(void) {
-        kbrk = PGROUNDDN(heap_start);
-        _request_page();
-        first = (struct mem_block*)kbrk;
-        first->start = (uintptr_t)kbrk + sizeof(struct mem_block);
-        first->size = 0;
-        first->alloc = 1;
-        first->next = NULL;
-}
-
-void* kmalloc(size_t sz) {
-        if (kbrk == NULL)
-                panic("Attmpted to malloc before initialization");
-        if ((uintptr_t)kbrk >= heap_end)
-                return NULL;
-
-        struct mem_block *temp = first;
-        while (temp->next != NULL) {
-                if (temp->next->size <= sz && temp->next->alloc == 0) {
-                        temp->next->alloc = 1;
-                        return (void*)temp->next->start;
-                }
-                temp = temp->next;
-        }
-
-        temp->next = (struct mem_block*)((uintptr_t)temp + sizeof(struct mem_block) + temp->size);
-        if (temp->next > kbrk)
-                _request_page();
-        temp->next->prev = temp;
-        temp->next->start = (uintptr_t)(temp->next + sizeof(struct mem_block));
-        temp->next->size = sz;
-        temp->next->alloc = 1;
-        temp->next->next = NULL;
-        return (void*)temp->start;
-}
-
-void kfree(void *ptr) {
-        struct mem_block *temp = first;
-        while (temp != NULL) {
-                if (temp->start == (uintptr_t)ptr) {
-                        temp->alloc = 0;
-                        return;
-                }
-                temp = temp->next;
-        }
-        panic("Attempted to free memory not alloc'd");
-}
-- 
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