...

src/boot/multiboot2.h

@@ -265,6 +265,10 @@ static inline multiboot_tag_mmap *multiboot_get_mmap() {
     return multiboot_get_tag(MULTIBOOT_TAG_TYPE_MMAP);
 }
 
+static inline size_t get_mmap_entry_count(multiboot_tag_mmap *mmap) {
+    return (mmap->size - 16) / mmap->entry_size;
+}
+
 static inline multiboot_tag_vbe *multiboot_get_vbe() {
     return multiboot_get_tag(MULTIBOOT_TAG_TYPE_VBE);
 }