44 lines
1.6 KiB
C
44 lines
1.6 KiB
C
/**
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* PROJECT: ExectOS
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* COPYRIGHT: See COPYING.md in the top level directory
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* FILE: xtoskrnl/includes/i686/asm.h
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* DESCRIPTION: i686 architecture assembly definitions
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* DEVELOPERS: Rafal Kupiec <belliash@codingworkshop.eu.org>
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*/
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#ifndef __XTOSKRNL_I686_ASMSUP_H
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#define __XTOSKRNL_I686_ASMSUP_H
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/* Selector masks */
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#define RPL_MASK 0x0003
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/* GDT selectors */
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#define KGDT_R3_DATA 0x0020
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#define KGDT_R0_PB 0x0030
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/* KTRAP_FRAME structure offsets */
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#define TrapPreviousMode 0
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#define TrapCr2 4
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#define TrapCr3 8
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#define TrapDr0 12
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#define TrapDr1 16
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#define TrapDr2 20
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#define TrapDr3 24
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#define TrapDr6 28
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#define TrapDr7 32
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#define TrapSegDs 36
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#define TrapSegEs 38
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#define TrapSegFs 40
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#define TrapSegGs 42
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#define TrapVector 72
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#define TrapSegCs 84
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#define TrapEsp 92
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#define TrapSegSs 96
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/* KTRAP_FRAME length related definitions */
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#define TRAP_FRAME_SIZE 100
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#define TRAP_REGISTERS_SIZE 56
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#endif /* __XTOSKRNL_I686_ASMSUP_H */
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