cast address and offset calculations

1 files changed, 22 insertions, 3 deletions

diff --git a/kernel/memory.h b/kernel/memory.h
index 9093985..67b0648 100644
--- a/kernel/memory.h
+++ b/kernel/memory.h
@@ -1,8 +1,11 @@
 #pragma once
 
+#include <kernel/memory/paging.h>
+#include <kernel/memory/range.h>
+
 #include <stddef.h>
 
-#include <kernel/memory/range.h>
+typdef int (*memory_space_handler_func)(uint32_t code, void *vaddr);
 
 enum page_map_flags
 {
@@ -17,6 +20,19 @@ enum page_map_flags
     SIZE_MASK = 0xc,
 };
 
+enum memory_space_flags
+{
+    SYSTEM_SPACE = 0x1, // memory cannot be swapped
+};
+
+struct memory_space
+{
+    enum memory_space_flags flags;
+    memory_space_handler_func handler;
+    void *base;
+    void *head;
+};
+
 void memory_init(struct memory_range *ranges, int count);
 
 void *memcpy(void *dest, const void *src, size_t size);
@@ -30,5 +46,8 @@ void page_unmap(void *vaddr);
 phys_addr_t page_alloc(void);
 void page_free(phys_addr_t paddr);
 
-void *malloc(size_t size);
-void free(void *block);
+void *heap_alloc(size_t size);
+void heap_free(void *block);
+
+void *memory_alloc(size_t size);
+void memory_free(void *block);