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Diffstat (limited to 'arch/arm26/nwfpe/fpa11.h')
| -rw-r--r-- | arch/arm26/nwfpe/fpa11.h | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/arch/arm26/nwfpe/fpa11.h b/arch/arm26/nwfpe/fpa11.h deleted file mode 100644 index be09902a211..00000000000 --- a/arch/arm26/nwfpe/fpa11.h +++ /dev/null @@ -1,87 +0,0 @@ -/* - NetWinder Floating Point Emulator - (c) Rebel.com, 1998-1999 - - Direct questions, comments to Scott Bambrough <scottb@netwinder.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 of the License, 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., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -#ifndef __FPA11_H__ -#define __FPA11_H__ - -#define GET_FPA11() ((FPA11 *)(¤t_thread_info()->fpstate)) - -/* - * The processes registers are always at the very top of the 8K - * stack+task struct. Use the same method as 'current' uses to - * reach them. - */ -register unsigned int *user_registers asm("sl"); - -#define GET_USERREG() (user_registers) - -#include <linux/thread_info.h> - -/* includes */ -#include "fpsr.h" /* FP control and status register definitions */ -#include "softfloat.h" - -#define typeNone 0x00 -#define typeSingle 0x01 -#define typeDouble 0x02 -#define typeExtended 0x03 - -/* - * This must be no more and no less than 12 bytes. - */ -typedef union tagFPREG { - floatx80 fExtended; - float64 fDouble; - float32 fSingle; -} FPREG; - -/* - * FPA11 device model. - * - * This structure is exported to user space. Do not re-order. - * Only add new stuff to the end, and do not change the size of - * any element. Elements of this structure are used by user - * space, and must match struct user_fp in include/asm-arm/user.h. - * We include the byte offsets below for documentation purposes. - * - * The size of this structure and FPREG are checked by fpmodule.c - * on initialisation. If the rules have been broken, NWFPE will - * not initialise. - */ -typedef struct tagFPA11 { -/* 0 */ FPREG fpreg[8]; /* 8 floating point registers */ -/* 96 */ FPSR fpsr; /* floating point status register */ -/* 100 */ FPCR fpcr; /* floating point control register */ -/* 104 */ unsigned char fType[8]; /* type of floating point value held in - floating point registers. One of none - single, double or extended. */ -/* 112 */ int initflag; /* this is special. The kernel guarantees - to set it to 0 when a thread is launched, - so we can use it to detect whether this - instance of the emulator needs to be - initialised. */ -} FPA11; - -extern void resetFPA11(void); -extern void SetRoundingMode(const unsigned int); -extern void SetRoundingPrecision(const unsigned int); - -#endif |