diff options
author | Paul Mackerras <paulus@samba.org> | 2006-03-28 17:03:19 +1100 |
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committer | Paul Mackerras <paulus@samba.org> | 2006-03-28 17:03:19 +1100 |
commit | cf66c897d7fa07f57452b1a369aec37d97b11e31 (patch) | |
tree | eb74b71c2ff288f4d77423bb7e54c3c55ef08bf9 /arch/powerpc/math-emu/mtfsfi.c | |
parent | facee873de8da5fe709c194f98eb0f2cc642a38c (diff) | |
parent | 78af90629ce98c8383ea16928e110eb97b889be6 (diff) |
Merge branch '85xx' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/powerpc
Diffstat (limited to 'arch/powerpc/math-emu/mtfsfi.c')
-rw-r--r-- | arch/powerpc/math-emu/mtfsfi.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/powerpc/math-emu/mtfsfi.c b/arch/powerpc/math-emu/mtfsfi.c new file mode 100644 index 00000000000..71df854baa7 --- /dev/null +++ b/arch/powerpc/math-emu/mtfsfi.c @@ -0,0 +1,23 @@ +#include <linux/types.h> +#include <linux/errno.h> +#include <asm/uaccess.h> + +#include "soft-fp.h" + +int +mtfsfi(unsigned int crfD, unsigned int IMM) +{ + u32 mask = 0xf; + + if (!crfD) + mask = 9; + + __FPU_FPSCR &= ~(mask << ((7 - crfD) << 2)); + __FPU_FPSCR |= (IMM & 0xf) << ((7 - crfD) << 2); + +#ifdef DEBUG + printk("%s: %d %x: %08lx\n", __FUNCTION__, crfD, IMM, __FPU_FPSCR); +#endif + + return 0; +} |