reading path tables now, need to make kheap sooner or later

kernel/lib/memory.c

@@ -1,4 +1,6 @@
-#include "memory.h"
+#include "lib/memory.h"
+#include "memory/mm.h"
+
 
 void memcpy(const void* src, void* dst, size_t sz) {
     for (size_t i = 0; i < sz; i++) {
@@ -6,6 +8,12 @@ void memcpy(const void* src, void* dst, size_t sz) {
     }
 }
 
+void memset(const uint8_t* dst, uint8_t val, size_t sz) {
+    for (size_t i = 0; i < sz; i++) {
+        ((uint8_t*)dst)[i] = val;
+    }
+}
+
 int strcmp(const char* s1, const char* s2) {
     while (*s1 && (*s1 == *s2)) {
         s1++;
@@ -21,4 +29,19 @@ int strlen(const char* str) {
         len++;
     }
     return len;
+}
+
+
+static void* kernel_heap = (void*)0xE0000000;
+static size_t kernel_heap_sz = 0;
+
+void kheap_init() {
+    if (kernel_heap_sz == 0) {
+        void* frame = p_alloc_frame();
+        map_page((uint32_t)kernel_heap, (uint32_t)frame, PAGE_PRESENT | PAGE_WRITABLE);
+    }
+}
+
+void* alloc(size_t sz) {
+
 }

kernel/lib/memory.h

@@ -5,9 +5,13 @@
 #include <stddef.h>
 
 void memcpy(const void* src, void* dst, size_t sz);
-void memset(const void* dst, uint8_t val, size_t sz);
+void memset(const uint8_t* dst, uint8_t val, size_t sz);
 
 int strcmp(const char *s1, const char *s2);
 int strlen(const char* str);
 
+void kheap_init();
+void* alloc(size_t sz);
+
+
 #endif