6b13f685e
 김민수
BSP 최초 추가
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/*
* Linux/PA-RISC Project (http://www.parisc-linux.org/)
*
* Floating-point emulation code
* Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifdef __NO_PA_HDRS
PA header file -- do not include this header file for non-PA builds.
#endif
/*
* These macros are designed to be portable to all machines that have
* a wordsize greater than or equal to 32 bits that support the portable
* C compiler and the standard C preprocessor. Wordsize (default 32)
* and bitfield assignment (default left-to-right, unlike VAX, PDP-11)
* should be predefined using the constants HOSTWDSZ and BITFRL and
* the C compiler "-D" flag (e.g., -DHOSTWDSZ=36 -DBITFLR for the DEC-20).
* Note that the macro arguments assume that the integer being referenced
* is a 32-bit integer (right-justified on the 20) and that bit 0 is the
* most significant bit.
*/
#ifndef HOSTWDSZ
#define HOSTWDSZ 32
#endif
/*########################### Macros ######################################*/
/*-------------------------------------------------------------------------
* NewDeclareBitField_Reference - Declare a structure similar to the simulator
* function "DeclBitfR" except its use is restricted to occur within a larger
* enclosing structure or union definition. This declaration is an unnamed
* structure with the argument, name, as the member name and the argument,
* uname, as the element name.
*----------------------------------------------------------------------- */
#define Bitfield_extract(start, length, object) \
((object) >> (HOSTWDSZ - (start) - (length)) & \
((unsigned)-1 >> (HOSTWDSZ - (length))))
#define Bitfield_signed_extract(start, length, object) \
((int)((object) << start) >> (HOSTWDSZ - (length)))
#define Bitfield_mask(start, len, object) \
((object) & (((unsigned)-1 >> (HOSTWDSZ-len)) << (HOSTWDSZ-start-len)))
#define Bitfield_deposit(value,start,len,object) object = \
((object) & ~(((unsigned)-1 >> (HOSTWDSZ-len)) << (HOSTWDSZ-start-len))) | \
(((value) & ((unsigned)-1 >> (HOSTWDSZ-len))) << (HOSTWDSZ-start-len))
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