5 files changed, 80 insertions, 20 deletions
diff --git a/include/bump.h b/include/bump.h
new file mode 100644
index 0000000..81cd571
--- /dev/null
+++ b/include/bump.h
@@ -0,0 +1,10 @@
+#pragma once
+#include <types.h>
+#include <dtb.h>
+#include <mem.h>
+#define EHEAP_SIZE (512 * 1024)
+
+
+void* kemalloc(size_t size);
+struct mem_info *km_find_memory(struct dt_node *head);
+
diff --git a/include/common.h b/include/common.h
new file mode 100644
index 0000000..86f1f9c
--- /dev/null
+++ b/include/common.h
@@ -0,0 +1,19 @@
+#pragma once
+#include <types.h>
+
+static inline size_t strlen(const char *s) {
+    size_t len = 0;
+    while (*s++) {
+        ++len;
+    }
+    return len;
+}
+static inline int strcmp(const char *str1, const char* str2) {
+    while (*str1 && (*str1 == *str2)) {
+        ++str1;
+        ++str2;
+    }
+    return *(const unsigned char *)str1 - *(const unsigned char *)str2;
+}
+
+
diff --git a/include/dtb.h b/include/dtb.h
new file mode 100644
index 0000000..1f8f14f
--- /dev/null
+++ b/include/dtb.h
@@ -0,0 +1,46 @@
+#pragma once
+#include <types.h>
+
+#define FDT_MAGIC 0xEDFE0DD0
+#define FDT_BEGIN_NODE 1
+#define FDT_END_NODE 2
+#define FDT_PROP 3
+#define FDT_NOP 4
+#define FDT_END 9
+
+#define DTB_MAX_NODES 16 
+
+struct dt_node {
+    char *name;
+    struct dt_prop *props;
+    struct dt_node *children;
+    struct dt_node *next;
+};
+
+struct dt_prop {
+    char *name;
+    char *value;
+    size_t len;
+    struct dt_prop *next;
+};
+
+struct fdt_header {
+    uint32_t magic;
+    uint32_t totalsize;
+    uint32_t off_dt_struct;
+    uint32_t off_dt_strings;
+    uint32_t off_mem_rsvmap;
+    uint32_t version;
+    uint32_t last_comp_version;
+    uint32_t boot_cpuid_phys;
+    uint32_t size_dt_strings;
+    uint32_t size_dt_struct;
+};
+
+struct dt_node *dt_parse(void *fdt);
+void *dt_get_prop(struct dt_node *node, char *name, size_t *len);
+uint32_t dt_read_u32(struct dt_node *node, char *name, uint32_t *out);
+
+
+struct dt_node *dt_node_alloc(char *name);
+struct dt_prop *dt_prop_alloc(char *name, void *value, size_t len);
diff --git a/include/mem.h b/include/mem.h
index 12976df..6135786 100644
--- a/include/mem.h
+++ b/include/mem.h
@@ -1,8 +1,6 @@
 #pragma once
 #include <types.h>
 
-#define EHEAP_SIZE (512 * 1024)
-
 typedef enum {
     PAGE_FREE,
     PAGE_ALLOCATED
@@ -14,6 +12,11 @@ struct page {
     struct page* next;
 };
 
+struct mem_info {
+    void* start;
+    size_t size;
+};
+
 void* kmalloc(size_t size);
 void* memcpy(void* to, const void* from,size_t size);
 
diff --git a/include/wdt.h b/include/wdt.h
deleted file mode 100644
index 31739ab..0000000
--- a/include/wdt.h
+++ /dev/null
@@ -1,18 +0,0 @@
-#pragma once
-#include <types.h>
-
-#define WDT_MAGIC 0x67674141
-
-struct wdt_device {
-    uint32_t type;
-    uint32_t driver_id;
-    uint32_t start;
-    uint32_t size;
-};
-
-struct wdt_root {
-    uint32_t magic;
-    uint32_t count;
-    struct wdt_device devices[];
-};
-