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-rw-r--r--arch/x86_64/page.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/x86_64/page.h b/arch/x86_64/page.h
new file mode 100644
index 0000000..28dfad2
--- /dev/null
+++ b/arch/x86_64/page.h
@@ -0,0 +1,28 @@
+#ifndef JOVE_ARCH_x86_64_PAGING_H
+#define JOVE_ARCH_x86_64_PAGING_H 1
+
+#include <stdint.h>
+
+typedef union PageMappingLevelEntry
+{
+ struct {
+ uint8_t p : 1; /* Present */
+ uint8_t rw : 1; /* Read/write. 0 for RO.*/
+ uint8_t us : 1; /* User/supervisor. 0 for DPL3 forbid */
+ uint8_t pwt : 1;
+ uint8_t pcd : 1;
+ uint8_t a : 1; /* Accessed */
+ uint8_t d : 1; /* Dirty */
+ uint8_t ps_pat : 1;
+ uint8_t g : 1; /* Global */
+ uint8_t _r0 : 2;
+ uint8_t r : 1;
+ uint64_t paddr : 35;
+ uint8_t _r1;
+ uint8_t pk : 4;
+ uint8_t xd : 1;
+ }__attribute__((packed));
+ uint64_t value;
+} __attribute__((packed)) pmle_t;
+
+#endif