Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

#include <linux/types.h>

#include <linux/errno.h>

#include <asm/uaccess.h>

#include "soft-fp.h"

int

mtfsf(unsigned int FM, u32 *frB)

{

        u32 mask;

        if (FM == 0)

                return 0;

        if (FM == 0xff)

                mask = 0x9fffffff;

        else {

                mask = 0;

                if (FM & (1 << 0))

                        mask |= 0x90000000;

                if (FM & (1 << 1))

                        mask |= 0x0f000000;

                if (FM & (1 << 2))

                        mask |= 0x00f00000;

                if (FM & (1 << 3))

                        mask |= 0x000f0000;

                if (FM & (1 << 4))

                        mask |= 0x0000f000;

                if (FM & (1 << 5))

                        mask |= 0x00000f00;

                if (FM & (1 << 6))

                        mask |= 0x000000f0;

                if (FM & (1 << 7))

                        mask |= 0x0000000f;

        }

        __FPU_FPSCR &= ~(mask);

        __FPU_FPSCR |= (frB[1] & mask);

#ifdef DEBUG

        printk("%s: %02x %p: %08lx\n", __FUNCTION__, FM, frB, __FPU_FPSCR);

#endif

        return 0;

}