1 files changed, 0 insertions, 55 deletions
diff --git a/i686/include/gdt.h b/i686/include/gdt.h
deleted file mode 100644
index 2bdfb22..0000000
--- a/i686/include/gdt.h
+++ /dev/null
@@ -1,55 +0,0 @@
-#pragma once
-
-#include <stdbool.h>
-#include <stdint.h>
-
-enum Ring { Ring0 = 0x0, Ring1 = 0x1, Ring2 = 0x2, Ring3 = 0x3 };
-
-struct __attribute__((packed)) Access {
-  unsigned accessed : 1;   /* if 0, is set by processor when accessed */
-  unsigned readwrite : 1;  /* code seg: read toggle; data seg: write toggle */
-  unsigned direction : 1;  /* code seg: conforming bit; data seg: direction bit */
-  unsigned executable : 1; /* executable bit */
-  unsigned segment : 1;    /* true for code/data; false for gates/tss */
-  unsigned privilege : 2;  /* descriptor privilege level */
-  unsigned present : 1;    /* true for every active segment */
-};
-/* _Static_assert(sizeof(struct Access) == 1, "access byte size"); */
-
-static const struct Access null_access = {0, 0, 0, 0, 0, Ring0, 0};
-static const struct Access ktext_access = {0, 1, 0, 1, 1, Ring0, 1};
-static const struct Access kdata_access = {0, 1, 0, 0, 1, Ring0, 1};
-
-/* Segment Descriptor
- * A memory structure (part of a table) that tells the CPU the attributes of a given segment
- * |31|  |  |  |  |  |  |24|23|22|21|20|19|  |  |16|15|  |  |  |  |  |  | 8| 7|  |  |  |  |  |  | 0|
- * |   base_31_24          | G|DB|  | A| lim_19_16 |   access              |   base_23_16          |
- * |   base_15_0                                   |   limit_15_0                                  |
- * |31|  |  |  |  |  |  |  |  |  |  |  |  |  |  |16|15|  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0|
- * limit    size of segment - 1, either in bytes or in 4KiB chunks (check flags)
- * base     address of segment
- * access
- * flags    defines the segment chunks and 16/32 bit */
-struct __attribute__((packed)) SegmentDescriptor_t {
-  uint16_t limit_15_0;      /* low bits of segment limit */
-  uint16_t base_15_0;       /* low bits of segment base address */
-  uint8_t base_23_16;       /* middle bits of segment base address */
-  uint8_t access;           /* access byte */
-  unsigned limit_19_16 : 4; /* high bits of segment limit */
-  /* flags */
-  bool a : 1;           /* unused, available for software use */
-  bool rsv : 1;         /* reserved */
-  bool db : 1;          /* false => 16-bit seg; true => 32-bit seg */
-  bool granularity : 1; /* limit scaled by 4k when set */
-  uint8_t base_31_24;   /* high bits of segment address */
-};
-/* _Static_assert(sizeof(struct SegmentDescriptor_t) == 8, "segment descriptor size"); */
-
-void SegmentDescriptor(struct SegmentDescriptor_t *self, unsigned base, unsigned limit, uint8_t access);
-
-void gdt_install();
-
-enum SegmentIndex {
-  ktextDescriptor = 2 * sizeof(struct SegmentDescriptor_t),
-  kdataDescriptor = 3 * sizeof(struct SegmentDescriptor_t)
-};