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| author | Jon Santmyer <jon@jonsantmyer.com> | 2024-05-22 13:00:41 -0400 |
|---|---|---|
| committer | Jon Santmyer <jon@jonsantmyer.com> | 2024-05-22 13:00:41 -0400 |
| commit | ace65b453151845bc361f21f3e5b651c35f9f126 (patch) | |
| tree | 262ebd29b0ca1d8584f0b6f1efa7a00d9f4f3e43 /include/arch/x86_64/gdt.h | |
| parent | f004c1ade8d617a82cea2fe249434cccb47a2358 (diff) | |
| download | jove-kernel-ace65b453151845bc361f21f3e5b651c35f9f126.tar.gz jove-kernel-ace65b453151845bc361f21f3e5b651c35f9f126.tar.bz2 jove-kernel-ace65b453151845bc361f21f3e5b651c35f9f126.zip | |
Diffstat (limited to 'include/arch/x86_64/gdt.h')
| -rw-r--r-- | include/arch/x86_64/gdt.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/arch/x86_64/gdt.h b/include/arch/x86_64/gdt.h new file mode 100644 index 0000000..c17c9eb --- /dev/null +++ b/include/arch/x86_64/gdt.h @@ -0,0 +1,23 @@ +#ifndef _JOVE_x86_64_GDT_H +#define _JOVE_x86_64_GDT_H 1 + +#include "tables.h" + +enum +{ + GDT_SEGMENT_KERNEL_NULL = 0, + GDT_SEGMENT_KERNEL_CODE, + GDT_SEGMENT_KERNEL_DATA, + + GDT_SEGMENT_USER_NULL, + GDT_SEGMENT_USER_DATA, + GDT_SEGMENT_USER_CODE, + + GDT_SEGMENT_TSS_LOW, + GDT_SEGMENT_TSS_HIGH, + + GDT_SEGMENT_COUNT +}; +typedef segment_descriptor_t gdt_t[GDT_SEGMENT_COUNT]; + +#endif |