diff options
| author | klaar36 <klas.arvidsson@liu.se> | 2015-03-20 17:30:24 +0100 |
|---|---|---|
| committer | klaar36 <klas.arvidsson@liu.se> | 2015-03-20 17:30:24 +0100 |
| commit | e7bc50ca8ffcaa6ed68ebd2315f78b0f5a7d10ad (patch) | |
| tree | 4de97af7207676b69cb6a9aba8cb443cc134855d /src/userprog/gdt.h | |
| parent | b0418a24e709f0632d2ede5b0f327c422931939b (diff) | |
| download | pintos-rs-e7bc50ca8ffcaa6ed68ebd2315f78b0f5a7d10ad.tar.gz | |
Initial Pintos
Diffstat (limited to 'src/userprog/gdt.h')
| -rw-r--r-- | src/userprog/gdt.h | 15 |
1 files changed, 15 insertions, 0 deletions
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 */ |