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;------------------------------------------------------------------------------
; Return the current FPU rounding mode.
;
; MASM implementation of the flt_rounds function by:
; J.T. Conklin, Apr 4, 1995
; Public domain.
;
; Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
; This program and the accompanying materials
; are licensed and made available under the terms and conditions of the BSD License
; which accompanies this distribution. The full text of the license may be found at
; http://opensource.org/licenses/bsd-license.php.
;
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
;
; NetBSD: flt_rounds.S,v 1.6 1999/08/23 08:45:09 kleink Exp
;------------------------------------------------------------------------------
.686
.model flat,C
.code
;_map BYTE 1 ; round to nearest
; BYTE 3 ; round to negative infinity
; BYTE 2 ; round to positive infinity
; BYTE 0 ; round to zero
;------------------------------------------------------------------------------
; int
; EFIAPI
; fpu_rmode( void );
;
;------------------------------------------------------------------------------
internal_FPU_rmode PROC
sub esp, 4 ; Create a local variable for fnstcw
fnstcw [esp]
mov eax, [esp]
shr eax, 10
and eax, 3
add esp, 4 ; Delete the local variable
ret
internal_FPU_rmode ENDP
END
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