cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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frsp.c (528B)

      1// SPDX-License-Identifier: GPL-2.0
      2#include <linux/types.h>
      3#include <linux/errno.h>
      4#include <linux/uaccess.h>
      5
      6#include <asm/sfp-machine.h>
      7#include <math-emu/soft-fp.h>
      8#include <math-emu/double.h>
      9#include <math-emu/single.h>
     10
     11int
     12frsp(void *frD, void *frB)
     13{
     14	FP_DECL_D(B);
     15	FP_DECL_EX;
     16
     17#ifdef DEBUG
     18	printk("%s: D %p, B %p\n", __func__, frD, frB);
     19#endif
     20
     21	FP_UNPACK_DP(B, frB);
     22
     23#ifdef DEBUG
     24	printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c);
     25#endif
     26
     27	__FP_PACK_DS(frD, B);
     28
     29	return FP_CUR_EXCEPTIONS;
     30}