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File: [Development] / linux-2.6-xfs / arch / powerpc / math-emu / mtfsfi.c (download)

Revision 1.2, Mon Aug 4 17:03:13 2008 UTC (9 years, 2 months ago) by lachlan.longdrop.melbourne.sgi.com
Branch: MAIN
CVS Tags: HEAD
Changes since 1.1: +1 -1 lines 

Merge up to 2.6.26
Merge of 2.6.x-xfs-melb:linux:31804b by kenmcd.

#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", __func__, crfD, IMM, __FPU_FPSCR);
#endif

	return 0;
}