1 files changed, 49 insertions, 0 deletions
diff --git a/include/memory.h b/include/memory.h
new file mode 100644
index 0000000..35198e6
--- /dev/null
+++ b/include/memory.h
@@ -0,0 +1,49 @@
+#ifndef _JOVE_MEMORY_H
+#define _JOVE_MEMORY_H 1
+
+#define KiB 1024ULL
+#define MiB (KiB * KiB)
+#define GiB (MiB * KiB)
+#define TiB (GiB * KiB)
+
+#include <stdbool.h>
+#include <stddef.h>
+#include "arch/page.h"
+
+typedef uintptr_t physptr_t;
+
+extern const uintptr_t USERLAND_MEMORY_BASE;
+extern const uintptr_t USERLAND_MEMORY_LIMIT;
+extern const uintptr_t PHYSMAP_MEMORY_BASE;
+extern const uintptr_t PHYSMAP_MEMORY_LIMIT;
+extern const uintptr_t KERNEL_MEMORY_BASE;
+extern const uintptr_t KERNEL_MEMORY_LIMIT;
+
+page_mapping_t vm_pd_mapping_get(page_directory_t *pd, uintptr_t addr);
+void vm_pd_mapping_set(page_directory_t *pd, page_mapping_t mapping, uintptr_t addr);
+void vm_pd_ensure(page_directory_t *pd, uintptr_t from, uintptr_t to, page_flags_t flg);
+
+page_mapping_t vm_mapping_get(uintptr_t addr);
+void vm_mapping_set(page_mapping_t mapping, uintptr_t virt);
+void vm_ensure(uintptr_t from, uintptr_t to, page_flags_t flg);
+
+physptr_t vm_tophys(uintptr_t virt);
+physptr_t vm_tophys_koff(uintptr_t virt);
+
+uintptr_t pm_tovirt(physptr_t phys);
+
+physptr_t pm_alloc(size_t pages);
+void pm_reserve(physptr_t start, physptr_t end);
+void pm_release(physptr_t start, physptr_t end);
+
+void mm_setup_early(void);
+void vm_setup_early(void);
+
+void mm_setup(void);
+void vm_setup(void);
+
+void* kmalloc(size_t width);
+void *krealloc(void *ptr, size_t width);
+void kfree(void *ptr);
+
+#endif