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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stfiwx.c (291B)

      1// SPDX-License-Identifier: GPL-2.0
      2#include <linux/types.h>
      3#include <linux/errno.h>
      4#include <linux/uaccess.h>
      5
      6int
      7stfiwx(u32 *frS, void *ea)
      8{
      9#ifdef DEBUG
     10	printk("%s: %p %p\n", __func__, frS, ea);
     11#endif
     12
     13	if (copy_to_user(ea, &frS[1], sizeof(frS[1])))
     14		return -EFAULT;
     15
     16	return 0;
     17}