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|
;
; Copyright (c) 2006-2008 Advanced Micro Devices,Inc. ("AMD").
;
; This library is free software; you can redistribute it and/or modify
; it under the terms of the GNU Lesser General Public License as
; published by the Free Software Foundation; either version 2.1 of the
; License, or (at your option) any later version.
;
; This code is distributed in the hope that it will be useful,
; but WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
; Lesser General Public License for more details.
;
; You should have received a copy of the GNU Lesser General
; Public License along with this library; if not, write to the
; Free Software Foundation, Inc., 59 Temple Place, Suite 330,
; Boston, MA 02111-1307 USA
;
;* Function: *
;* This file contains generic VSM library functions.
.model tiny,c
.586p
.CODE
;***********************************************************************
; UCHAR in_8(USHORT io_port)
;***********************************************************************
in_8 proc pascal io_port:word
mov dx, io_port
in al, dx
ret
in_8 endp
;***********************************************************************
; void out_8(USHORT io_port, UCHAR io_data)
;***********************************************************************
out_8 proc pascal \
io_port:WORD, \
io_data:BYTE
mov dx, io_port
mov al, io_data
out dx, al
ret
out_8 endp
;***********************************************************************
; USHORT in_16(USHORT io_port)
;***********************************************************************
in_16 proc pascal, io_port:WORD
mov dx, io_port
in ax, dx
ret
in_16 endp
;***********************************************************************
; void out_16(USHORT io_port, USHORT io_data)
;***********************************************************************
out_16 proc pascal \
io_port:WORD, \
io_data:WORD
mov dx, io_port
mov ax, io_data
out dx, ax
ret
out_16 endp
;***********************************************************************
; ULONG in_32(USHORT io_port)
;***********************************************************************
in_32 proc pascal io_port: WORD
mov dx, io_port
in eax, dx
mov edx, eax
shr edx, 16
ret
in_32 endp
;***********************************************************************
;
; void out_32(USHORT io_port, ULONG io_data)
;***********************************************************************
out_32 proc pascal \
io_port:WORD, \
io_data:DWORD
mov dx, io_port
mov eax, io_data
out dx, eax
ret
out_32 endp
write_flat proc pascal \
Address: DWORD,\
Data: DWORD
mov ebx, [Address]
mov eax, [Data]
mov fs:[ebx], eax
ret
write_flat endp
read_flat proc pascal \
Address: DWORD
mov ebx, [Address]
mov eax, fs:[ebx]
mov edx, eax
shr edx, 16
ret
read_flat endp
write_flat_word proc pascal \
Address: DWORD,\
Data: WORD
mov ebx, [Address]
mov ax, [Data]
mov fs:[ebx], ax
ret
write_flat_word endp
read_flat_word proc pascal \
Address: DWORD
mov ebx, [Address]
mov ax, fs:[ebx]
ret
read_flat_word endp
write_flat_byte proc pascal \
Address: DWORD,\
Data: BYTE
mov ebx, [Address]
mov al, [Data]
mov fs:[ebx], al
ret
write_flat_byte endp
read_flat_byte proc pascal \
Address: DWORD
mov ebx, [Address]
mov al, fs:[ebx]
ret
read_flat_byte endp
read_timestamp proc
RDTSC
mov edx, eax
shr edx, 16
ret
read_timestamp endp
END
|
