Started basic paging port from skiftOS

2 files changed, 8 insertions, 0 deletions

diff --git a/libc/inc/cpu.h b/libc/inc/cpu.h
index fa82fbe..5c55913 100644
--- a/libc/inc/cpu.h
+++ b/libc/inc/cpu.h
@@ -27,6 +27,12 @@ void cpu_print(void);
 void cpu_enable_features(void);
 void fpu_restore(void);
 
+u32 cr0_get(void);
+void cr0_set(u32 cr0);
+void cr3_set(u32 cr3);
+u32 cr4_get(void);
+void cr4_set(u32 cr4);
+
 void cli(void);
 void sti(void);
 void hlt(void);
diff --git a/libc/inc/def.h b/libc/inc/def.h
index c8b9dbf..945ccb0 100644
--- a/libc/inc/def.h
+++ b/libc/inc/def.h
@@ -26,6 +26,8 @@ typedef unsigned long long u64;
 #define UNUSED(a) ((void)(a))
 
 #define NO_SANITIZE __attribute__((no_sanitize("undefined")))
+#define PACKED __attribute__((packed))
+#define ALIGNED(align) __attribute__((aligned(align)))
 
 #define EOF (-1)
 #define NULL ((void *)0)