massive refactor for mp and organizationHEADmaster

1 files changed, 34 insertions, 0 deletions

diff --git a/include/arch/page.h b/include/arch/page.h
new file mode 100644
index 0000000..25c5294
--- /dev/null
+++ b/include/arch/page.h
@@ -0,0 +1,34 @@
+#ifndef _JOVE_ARCH_PAGE_H
+#define _JOVE_ARCH_PAGE_H 1
+
+#define PAGE_SHIFT (12)
+#define PAGE_SIZE (1 << PAGE_SHIFT)
+#define PAGE_MASK (PAGE_SIZE - 1)
+
+#ifdef __x86_64__
+#include "x86_64/page.h"
+#endif
+
+typedef struct page_mapping_flags
+{
+    char present : 1;
+    char writeable : 1;
+    char useraccess : 1;
+    char executable : 1;
+} page_flags_t;
+
+typedef struct page_mapping
+{
+    uintptr_t phys;
+    page_flags_t pf;
+} page_mapping_t;
+
+typedef intmax_t pdid_t;
+
+page_directory_t *pd_new(void);
+page_directory_t *pd_dup(page_directory_t *pd);
+page_directory_t *pd_get(pdid_t id);
+
+void pd_switch(page_directory_t *pd);
+
+#endif