diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/nwfpe/fpa11.h')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/nwfpe/fpa11.h | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/ANDROID_3.4.5/arch/arm/nwfpe/fpa11.h b/ANDROID_3.4.5/arch/arm/nwfpe/fpa11.h deleted file mode 100644 index d3a6f929..00000000 --- a/ANDROID_3.4.5/arch/arm/nwfpe/fpa11.h +++ /dev/null @@ -1,121 +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. - */ -#define GET_USERREG() ((struct pt_regs *)(THREAD_START_SP + (unsigned long)current_thread_info()) - 1) - -#include <linux/thread_info.h> - -/* includes */ -#include "fpsr.h" /* FP control and status register definitions */ -#include "milieu.h" - -struct roundingData { - int8 mode; - int8 precision; - signed char exception; -}; - -#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 { - float32 fSingle; - float64 fDouble; -#ifdef CONFIG_FPE_NWFPE_XP - floatx80 fExtended; -#else - u32 padding[3]; -#endif -} __attribute__ ((packed,aligned(4))) 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 <asm/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. */ -} __attribute__ ((packed,aligned(4))) FPA11; - -extern int8 SetRoundingMode(const unsigned int); -extern int8 SetRoundingPrecision(const unsigned int); -extern void nwfpe_init_fpa(union fp_state *fp); - -extern unsigned int EmulateAll(unsigned int opcode); - -extern unsigned int EmulateCPDT(const unsigned int opcode); -extern unsigned int EmulateCPDO(const unsigned int opcode); -extern unsigned int EmulateCPRT(const unsigned int opcode); - -/* fpa11_cpdt.c */ -extern unsigned int PerformLDF(const unsigned int opcode); -extern unsigned int PerformSTF(const unsigned int opcode); -extern unsigned int PerformLFM(const unsigned int opcode); -extern unsigned int PerformSFM(const unsigned int opcode); - -/* single_cpdo.c */ - -extern unsigned int SingleCPDO(struct roundingData *roundData, - const unsigned int opcode, FPREG * rFd); -/* double_cpdo.c */ -extern unsigned int DoubleCPDO(struct roundingData *roundData, - const unsigned int opcode, FPREG * rFd); - -/* extneded_cpdo.c */ -extern unsigned int ExtendedCPDO(struct roundingData *roundData, - const unsigned int opcode, FPREG * rFd); - -#endif |