create wdt device discovery

discuss: per wrv32em status, consider moving custom wdt format to dtb or
pci device discovery (potentially both: we have the framework for pci.ko
extension after using dtb to discover memory and pci devices)

1 files changed, 22 insertions, 0 deletions

diff --git a/include/mem.h b/include/mem.h
new file mode 100644
index 0000000..12976df
--- /dev/null
+++ b/include/mem.h
@@ -0,0 +1,22 @@
+#pragma once
+#include <types.h>
+
+#define EHEAP_SIZE (512 * 1024)
+
+typedef enum {
+    PAGE_FREE,
+    PAGE_ALLOCATED
+} MemoryPageAvailability;
+
+struct page {
+    void* locator;
+    MemoryPageAvailability availability;
+    struct page* next;
+};
+
+void* kmalloc(size_t size);
+void* memcpy(void* to, const void* from,size_t size);
+
+void* kemalloc(size_t size);
+
+extern struct page root;