symbian-qemu-0.9.1-12/qemu-symbian-svp/linux-user/arm/nwfpe/fpa11.inl
changeset 1 2fb8b9db1c86
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/linux-user/arm/nwfpe/fpa11.inl	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,51 @@
+/*
+    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 */
+static inline unsigned int readFPSR(void)
+{
+  FPA11 *fpa11 = GET_FPA11();
+  return(fpa11->fpsr);
+}
+
+static 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 */
+static inline FPCR readFPCR(void)
+{
+  FPA11 *fpa11 = GET_FPA11();
+  /* clear SB, AB and DA bits before returning FPCR */
+  return(fpa11->fpcr & ~MASK_RFC);
+}
+
+static 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 */
+}