#include <linux/types.h> #include <linux/errno.h> #include <asm/uaccess.h> #include "soft-fp.h" int mcrfs(u32 *ccr, u32 crfD, u32 crfS) { u32 value, clear; #ifdef DEBUG printk("%s: %p (%08x) %d %d\n", __FUNCTION__, ccr, *ccr, crfD, crfS); #endif clear = 15 << ((7 - crfS) << 2); if (!crfS) clear = 0x90000000; value = (__FPU_FPSCR >> ((7 - crfS) << 2)) & 15; __FPU_FPSCR &= ~(clear); *ccr &= ~(15 << ((7 - crfD) << 2)); *ccr |= (value << ((7 - crfD) << 2)); #ifdef DEBUG printk("CR: %08x\n", __FUNCTION__, *ccr); #endif return 0; }