From e7bc50ca8ffcaa6ed68ebd2315f78b0f5a7d10ad Mon Sep 17 00:00:00 2001 From: klaar36 Date: Fri, 20 Mar 2015 17:30:24 +0100 Subject: Initial Pintos --- src/userprog/gdt.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 src/userprog/gdt.h (limited to 'src/userprog/gdt.h') diff --git a/src/userprog/gdt.h b/src/userprog/gdt.h new file mode 100644 index 0000000..81fe50c --- /dev/null +++ b/src/userprog/gdt.h @@ -0,0 +1,15 @@ +#ifndef USERPROG_GDT_H +#define USERPROG_GDT_H + +#include "threads/loader.h" + +/* Segment selectors. + More selectors are defined by the loader in loader.h. */ +#define SEL_UCSEG 0x1B /* User code selector. */ +#define SEL_UDSEG 0x23 /* User data selector. */ +#define SEL_TSS 0x28 /* Task-state segment. */ +#define SEL_CNT 6 /* Number of segments. */ + +void gdt_init (void); + +#endif /* userprog/gdt.h */ -- cgit v1.2.1