make dmm.c portable

[lunaix-os.git] / lunaix-os / includes / lunaix / mm / page.h

diff --git a/lunaix-os/includes/lunaix/mm/page.h b/lunaix-os/includes/lunaix/mm/page.h
index 4ea31bc0a5221cdb4642ebb955cdaf5642bae486..935909cbbeb17f401dc49a38b1c3c57865dae5fe 100644 (file)
--- a/lunaix-os/includes/lunaix/mm/page.h
+++ b/lunaix-os/includes/lunaix/mm/page.h
@@ -11,6 +11,8 @@
 #define PG_LAST_TABLE               PG_MAX_ENTRIES - 1
 #define PG_FIRST_TABLE              0
 
+#define PTE_NULL                    0
+
 #define P2V(paddr)          ((uintptr_t)(paddr)  +  HIGHER_HLF_BASE)
 #define V2P(vaddr)          ((uintptr_t)(vaddr)  -  HIGHER_HLF_BASE)
 
@@ -79,5 +81,12 @@ typedef struct {
     uint16_t flags;
 } v_mapping;
 
+typedef uint32_t x86_pte_t;
+typedef struct
+{
+    x86_pte_t entry[PG_MAX_ENTRIES];
+} __attribute__((packed)) x86_page_table;
+
+
 
 #endif /* __LUNAIX_PAGE_H */