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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lfd.c (384B)

      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/double.h>
      8
      9int
     10lfd(void *frD, void *ea)
     11{
     12	if (copy_from_user(frD, ea, sizeof(double)))
     13		return -EFAULT;
     14#ifdef DEBUG
     15	printk("%s: D %p, ea %p: ", __func__, frD, ea);
     16	dump_double(frD);
     17	printk("\n");
     18#endif
     19	return 0;
     20}