linux_dsm_epyc7002/arch/parisc/math-emu/fpbits.h
Thomas Gleixner 660662f857 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 150
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 42 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190524100845.259718220@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:25:19 -07:00

53 lines
2.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Linux/PA-RISC Project (http://www.parisc-linux.org/)
*
* Floating-point emulation code
* Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
*/
#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))