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IDT access levels and gate types
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This commit is contained in:
Rafal Kupiec 2023-02-01 00:51:13 +01:00
parent 9a1e9b1084
commit 5bbda188c6
Signed by: belliash
GPG Key ID: 4E829243E0CFE6B4
1 changed files with 10 additions and 0 deletions
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10
sdk/xtdk/i686/ketypes.h
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@ -51,6 +51,16 @@
#define KGDT_TYPE_CODE (0x10 | KGDT_DESCRIPTOR_CODE | KGDT_DESCRIPTOR_EXECUTE_READ) #define KGDT_TYPE_CODE (0x10 | KGDT_DESCRIPTOR_CODE | KGDT_DESCRIPTOR_EXECUTE_READ)
#define KGDT_TYPE_DATA (0x10 | KGDT_DESCRIPTOR_READ_WRITE) #define KGDT_TYPE_DATA (0x10 | KGDT_DESCRIPTOR_READ_WRITE)
/* IDT access levels */
#define KIDT_ACCESS_RING0 0x00
#define KIDT_ACCESS_RING3 0x60
/* IDT gate types */
#define KIDT_TYPE_TASK 0x05
#define KIDT_TYPE_CALL 0x0C
#define KIDT_TYPE_INTERRUPT 0x0E
#define KIDT_TYPE_TRAP 0x0F
/* TSS Offsets */ /* TSS Offsets */
#define KTSS_ESP0 0x04 #define KTSS_ESP0 0x04
#define KTSS_CR3 0x1C #define KTSS_CR3 0x1C