Initial import

1 files changed, 51 insertions, 0 deletions

diff --git a/arch/arm/nwfpe/fpa11.inl b/arch/arm/nwfpe/fpa11.inl
new file mode 100644
index 000000000..ab8d68262
--- /dev/null
+++ b/arch/arm/nwfpe/fpa11.inl
@@ -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 */
+}