ia64/linux-2.6.18-xen.hg

view arch/powerpc/math-emu/mtfsfi.c @ 912:dd42cdb0ab89

[IA64] Build blktap2 driver by default in x86 builds.

add CONFIG_XEN_BLKDEV_TAP2=y to buildconfigs/linux-defconfig_xen_ia64.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
author Isaku Yamahata <yamahata@valinux.co.jp>
date Mon Jun 29 12:09:16 2009 +0900 (2009-06-29)
parents 831230e53067
children
line source
1 #include <linux/types.h>
2 #include <linux/errno.h>
3 #include <asm/uaccess.h>
5 #include "soft-fp.h"
7 int
8 mtfsfi(unsigned int crfD, unsigned int IMM)
9 {
10 u32 mask = 0xf;
12 if (!crfD)
13 mask = 9;
15 __FPU_FPSCR &= ~(mask << ((7 - crfD) << 2));
16 __FPU_FPSCR |= (IMM & 0xf) << ((7 - crfD) << 2);
18 #ifdef DEBUG
19 printk("%s: %d %x: %08lx\n", __FUNCTION__, crfD, IMM, __FPU_FPSCR);
20 #endif
22 return 0;
23 }