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354 lines
6.6 KiB
354 lines
6.6 KiB
;++
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;
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; Copyright (c) 1989 Microsoft Corporation
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;
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; Module Name:
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;
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; intmac.inc
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;
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; Abstract:
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;
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; This module contains macros to allow code running in 16 bit protected
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; mode to manipulate the virtual interrupt flag
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;
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; Author:
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;
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; Dave Hastings (daveh) 24-Apr-1992
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;
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; Revision History:
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;
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;--
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VDM_INT_TRAP_GATE EQU 00000000h
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VDM_INT_INT_GATE EQU 00000001h
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VDM_INT_32 EQU 00000002h
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VDM_INT_16 EQU 00000000h
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EFLAGS_VIF equ 080000H
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ifdef WOW_x86
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include vint.inc
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riret macro
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local a,b,c,d
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push bp
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mov bp,sp
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push ax
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push ds
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mov ax,40h
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mov ds,ax
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mov ax,[bp+6]
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test ax,200h
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jz a
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test ds:FIXED_NTVDMSTATE_REL40,RI_BIT_MASK
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jz c
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sti
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c: lock or word ptr ds:FIXED_NTVDMSTATE_REL40, VIRTUAL_INTERRUPT_BIT
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jmp short b
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a:
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test ds:FIXED_NTVDMSTATE_REL40,RI_BIT_MASK
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jz d
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cli
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d: lock and word ptr ds:FIXED_NTVDMSTATE_REL40,NOT VIRTUAL_INTERRUPT_BIT
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b:
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pop ds
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pop ax
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pop bp
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iret
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endm
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riretd macro
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local a,b,c,d
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push bp
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mov bp,sp
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push ax
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push ds
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mov ax,40h
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mov ds,ax
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mov ax,[bp+10]
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test ax,200h
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jz a
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test ds:FIXED_NTVDMSTATE_REL40,RI_BIT_MASK
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jz c
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sti
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c: lock or word ptr ds:FIXED_NTVDMSTATE_REL40, VIRTUAL_INTERRUPT_BIT
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jmp short b
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a:
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test ds:FIXED_NTVDMSTATE_REL40,RI_BIT_MASK
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jz d
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cli
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d: lock and word ptr ds:FIXED_NTVDMSTATE_REL40,NOT VIRTUAL_INTERRUPT_BIT
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b:
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pop ds
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pop ax
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pop bp
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iretd
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endm
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riretd32 macro
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local a,b,c,d
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push ebp
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mov ebp,esp
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push ax
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push ds
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mov ax,40h
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mov ds,ax
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mov ax,[ebp+0ch]
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test ax,200h
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jz a
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test ds:FIXED_NTVDMSTATE_REL40,RI_BIT_MASK
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jz c
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sti
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c: lock or word ptr ds:FIXED_NTVDMSTATE_REL40, VIRTUAL_INTERRUPT_BIT
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jmp short b
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a:
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test ds:FIXED_NTVDMSTATE_REL40,RI_BIT_MASK
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jz d
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cli
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d: lock and word ptr ds:FIXED_NTVDMSTATE_REL40,NOT VIRTUAL_INTERRUPT_BIT
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b:
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pop ds
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pop ax
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pop ebp
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iretd
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endm
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rpopf386 macro
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local a,b,c,d
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push ebp
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mov ebp,esp
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push ax
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push ds
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mov ax,40h
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mov ds,ax
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mov ax,[ebp+4]
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test ax,200h
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jz a
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test ds:FIXED_NTVDMSTATE_REL40,RI_BIT_MASK
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jz c
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sti
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c: lock or word ptr ds:FIXED_NTVDMSTATE_REL40, VIRTUAL_INTERRUPT_BIT
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jmp short b
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a:
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test ds:FIXED_NTVDMSTATE_REL40,RI_BIT_MASK
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jz d
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cli
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d: lock and word ptr ds:FIXED_NTVDMSTATE_REL40,NOT VIRTUAL_INTERRUPT_BIT
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b:
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pop ds
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pop ax
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pop ebp
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popf
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endm
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rpopf macro
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local a,b,c,d
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push bp
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mov bp,sp
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push ax
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push ds
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mov ax,40h
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mov ds,ax
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mov ax,[bp+2]
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test ax,200h
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jz a
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test ds:FIXED_NTVDMSTATE_REL40,RI_BIT_MASK
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jz c
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sti
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c: lock or word ptr ds:FIXED_NTVDMSTATE_REL40, VIRTUAL_INTERRUPT_BIT
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jmp short b
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a:
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test ds:FIXED_NTVDMSTATE_REL40,RI_BIT_MASK
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jz d
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cli
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d: lock and word ptr ds:FIXED_NTVDMSTATE_REL40,NOT VIRTUAL_INTERRUPT_BIT
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b:
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pop ds
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pop ax
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pop bp
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popf
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endm
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rpopfd macro
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local a,b,c,d
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push bp
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mov bp,sp
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push ax
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push ds
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mov ax,40h
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mov ds,ax
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mov ax,[bp+2]
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test ax,200h
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jz a
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test ds:FIXED_NTVDMSTATE_REL40,RI_BIT_MASK
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jz c
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sti
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c: lock or word ptr ds:FIXED_NTVDMSTATE_REL40, VIRTUAL_INTERRUPT_BIT
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jmp short b
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a:
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test ds:FIXED_NTVDMSTATE_REL40,RI_BIT_MASK
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jz d
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cli
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d: lock and word ptr ds:FIXED_NTVDMSTATE_REL40,NOT VIRTUAL_INTERRUPT_BIT
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b:
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pop ds
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pop ax
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pop bp
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popfd
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endm
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;
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; The following assume that the RI bit implies a virtual interrupt flag
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; in eflags. See appendix h of the Pentium user's manual
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;
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rpushf macro
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local a,b,c,d
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.386p
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pushf
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push ebp
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mov ebp,esp
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push eax
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push ds
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mov ax,ss
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movzx eax,ax
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lar eax,eax
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test eax,(AB_BIG SHL 8)
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jnz @f
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movzx ebp,bp
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@@:
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mov ax,40h
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mov ds,ax
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mov ax,word ptr ds:FIXED_NTVDMSTATE_REL40
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test ax,RI_BIT_MASK
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jz c
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pushfd
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test dword ptr [ebp-10],EFLAGS_VIF
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jz d
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or word ptr [ebp+4],200h
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popfd
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jmp b
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d:
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and word ptr [ebp+4],NOT 200h
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popfd
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jmp b
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c:
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test ax,VIRTUAL_INTERRUPT_BIT
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jz a
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or word ptr [ebp+4],200h
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jmp b
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a:
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and word ptr [ebp+4],NOT 200h
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b:
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pop ds
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pop eax
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pop ebp
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.286p
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endm
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rpushfd macro
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local a,b,c,d
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pushfd
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push bp
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mov bp,sp
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push ax
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push ds
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mov ax,40h
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mov ds,ax
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mov ax,word ptr ds:FIXED_NTVDMSTATE_REL40
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test ax,RI_BIT_MASK
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jz c
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test dword ptr [bp+2],EFLAGS_VIF
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jz d
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or word ptr [bp+2],200h
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jmp b
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d:
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and word ptr [bp+2],NOT 200h
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jmp b
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c:
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test ax,VIRTUAL_INTERRUPT_BIT
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jz a
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or word ptr [bp+2],200h
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jmp b
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a:
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and word ptr [bp+2],NOT 200h
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b:
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pop ds
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pop ax
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pop bp
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endm
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rpushfd32 macro
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local a,b,c,d
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pushfd
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push ebp
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mov ebp,esp
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push ax
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push ds
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mov ax,40h
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mov ds,ax
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mov ax,word ptr ds:FIXED_NTVDMSTATE_REL40
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test ax,RI_BIT_MASK
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jz c
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test dword ptr [ebp+4],EFLAGS_VIF
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jz d
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or word ptr [ebp+4],200h
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jmp b
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d:
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and word ptr [ebp+4],NOT 200h
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jmp b
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c:
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test ax,VIRTUAL_INTERRUPT_BIT
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jz a
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or word ptr [ebp+4],200h
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jmp b
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a:
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and word ptr [ebp+4],NOT 200h
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b:
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pop ds
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pop ax
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pop ebp
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endm
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ELSE
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riret macro
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iret
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endm
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riretd macro
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iretd
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endm
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riretd32 macro
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iretd
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endm
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rpopf macro
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popf
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endm
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rpopfd macro
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popfd
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endm
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rpushf macro
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pushf
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endm
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rpushfd macro
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pushfd
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endm
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rpushfd32 macro
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pushfd
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endm
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FCLI macro
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cli
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endm
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FSTI macro
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sti
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endm
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ENDIF
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