mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-27 14:43:58 +08:00
3859810521
"extern inline" will have different semantics with gcc 4.3. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
/*
|
|
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 */
|
|
}
|