mirror of
https://github.com/reactos/reactos.git
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115 lines
2.7 KiB
C
115 lines
2.7 KiB
C
/*
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* ReactOS kernel
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* Copyright (C) 2000 David Welch <welch@cwcom.net>
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*
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* Moved to MSVC-compatible inline assembler by Mike Nordell, 2003-12-26
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*
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* FILE: ntoskrnl/ke/i386/vm86_sup.S
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* PURPOSE: V86 mode support
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* PROGRAMMER: David Welch (welch@cwcom.net)
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* UPDATE HISTORY:
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* Created 09/10/00
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*/
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/* INCLUDES ******************************************************************/
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#pragma hdrstop
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#include <ddk/ntddk.h>
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#include <ddk/status.h>
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#include <internal/i386/segment.h>
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#include <internal/i386/fpu.h>
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#include <internal/ps.h>
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#include <ddk/defines.h>
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#include <internal/v86m.h>
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#include <ntos/tss.h>
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#include <internal/trap.h>
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#include <internal/ps.h>
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#include <roscfg.h>
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#include <internal/ntoskrnl.h>
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#include <internal/i386/segment.h>
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// no arg-list, but asm doesn't care anyway
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void KiInterruptDispatch();
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#define DEFINE_INT_HANDLER(N) \
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__declspec(naked) \
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void irq_handler_##N() \
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{ \
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__asm pushad \
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__asm push ds \
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__asm push es \
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__asm push fs \
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__asm mov eax, 0xceafbeef \
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__asm push eax \
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__asm mov ax, KERNEL_DS \
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__asm mov ds, ax \
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__asm mov es, ax \
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__asm mov ax, PCR_SELECTOR \
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__asm mov fs, ax \
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__asm push esp \
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__asm push N \
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__asm call KiInterruptDispatch \
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__asm pop eax \
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__asm pop eax \
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__asm pop eax \
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__asm pop fs \
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__asm pop es \
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__asm pop ds \
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__asm popad \
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__asm iretd
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// NOTE: The inline assembler can't deal with having the final brace,
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// ending the function, on the same line as an __asm, why there is
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// none here and it MUST be added when using the macro!
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DEFINE_INT_HANDLER(0)
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}
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DEFINE_INT_HANDLER(1)
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}
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DEFINE_INT_HANDLER(2)
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}
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DEFINE_INT_HANDLER(3)
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}
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DEFINE_INT_HANDLER(4)
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}
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DEFINE_INT_HANDLER(5)
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}
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DEFINE_INT_HANDLER(6)
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}
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DEFINE_INT_HANDLER(7)
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}
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DEFINE_INT_HANDLER(8)
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}
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DEFINE_INT_HANDLER(9)
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}
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DEFINE_INT_HANDLER(10)
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}
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DEFINE_INT_HANDLER(11)
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}
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DEFINE_INT_HANDLER(12)
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}
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DEFINE_INT_HANDLER(13)
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}
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DEFINE_INT_HANDLER(14)
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}
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DEFINE_INT_HANDLER(15)
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}
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