/* 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. */ #include "fpa11.h" /* Read and write floating point status register */ extern __inline__ unsigned int readFPSR(void) { FPA11 *fpa11 = GET_FPA11(); return (fpa11->fpsr); } extern __inline__ void writeFPSR(FPSR reg) { FPA11 *fpa11 = GET_FPA11(); /* the sysid byte in the status register is readonly */ fpa11->fpsr = (fpa11->fpsr & MASK_SYSID) | (reg & ~MASK_SYSID); } /* Read and write floating point control register */ extern __inline__ FPCR readFPCR(void) { FPA11 *fpa11 = GET_FPA11(); /* clear SB, AB and DA bits before returning FPCR */ return (fpa11->fpcr & ~MASK_RFC); } extern __inline__ void writeFPCR(FPCR reg) { FPA11 *fpa11 = GET_FPA11(); fpa11->fpcr &= ~MASK_WFC; /* clear SB, AB and DA bits */ fpa11->fpcr |= (reg & MASK_WFC); /* write SB, AB and DA bits */ }