feat: refactor to use gcc types

kernel/mem/mem.c

@@ -29,8 +29,8 @@ extern void *kernel_start;
 
 typedef struct {
     void *address;
-    u32 length;
-    u32 type;
+    uint32_t length;
+    uint32_t type;
 } __attribute((packed)) mmap_entry;
 
 int malloc_entries = 0;
@@ -59,7 +59,7 @@ mmap_entry memmap[MEMMAP_ENTRIES] = {
 typedef struct malloc_map {
     struct malloc_map *next;
     struct malloc_map *pref;
-    u32 size;
+    uint32_t size;
     int type;
 } malloc_map;
 
@@ -96,8 +96,8 @@ void use_mmap_entry(struct multiboot_mmap_entry *entry) {
     }
 }
 
-void init_mmap_multiboot(struct multiboot_mmap_entry *entries, u32 count) {
-    for (u32 i = 0; i < count; ++i) {
+void init_mmap_multiboot(struct multiboot_mmap_entry *entries, uint32_t count) {
+    for (uint32_t i = 0; i < count; ++i) {
         use_mmap_entry(&entries[i]);
     }
 }
@@ -114,7 +114,7 @@ void split_malloc_map(malloc_map *entry, unsigned int size) {
     entry->size = size;
 }
 
-void *malloc(unsigned int size) {
+void *malloc(size_t size) {
     // todo replace this horrible mess!
     // this lacks any page alignment and what so ever
     for (int i = 0; i < MEMMAP_ENTRIES; ++i) {

kernel/mem/mem.h

@@ -7,13 +7,13 @@
 
 #include <multiboot.h>
 
-void init_mmap_multiboot(struct multiboot_mmap_entry *entries, u32 count);
+void init_mmap_multiboot(struct multiboot_mmap_entry *entries, uint32_t count);
 
 void print_malloc_info();
 
 void print_mmap_info();
 
-void *malloc(unsigned int size);
+void *malloc(size_t size);
 
 void free(void *mem);