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exectos/xtoskrnl/includes/ar/i686/asmsup.h
Aiken Harris d00577ac8d
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Fix previous mode detection by reading CS from the trap frame
2026-03-31 23:10:45 +02:00

37 lines
1.4 KiB
C

/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: xtoskrnl/includes/i686/asm.h
* DESCRIPTION: i686 architecture assembly definitions
* DEVELOPERS: Rafal Kupiec <belliash@codingworkshop.eu.org>
*/
#ifndef __XTOSKRNL_I686_ASMSUP_H
#define __XTOSKRNL_I686_ASMSUP_H
/* KTRAP_FRAME structure offsets */
#define TrapPreviousMode 0
#define TrapCr2 4
#define TrapCr3 8
#define TrapDr0 12
#define TrapDr1 16
#define TrapDr2 20
#define TrapDr3 24
#define TrapDr6 28
#define TrapDr7 32
#define TrapSegDs 36
#define TrapSegEs 38
#define TrapSegFs 40
#define TrapSegGs 42
#define TrapVector 72
#define TrapSegCs 84
#define TrapEsp 92
#define TrapSegSs 96
/* KTRAP_FRAME length related definitions */
#define TRAP_FRAME_SIZE 100
#define TRAP_REGISTERS_SIZE 56
#endif /* __XTOSKRNL_I686_ASMSUP_H */