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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freplace_get_constant.c (396B)

      1// SPDX-License-Identifier: GPL-2.0
      2#include <linux/bpf.h>
      3#include <bpf/bpf_helpers.h>
      4#include <bpf/bpf_endian.h>
      5
      6volatile __u64 test_get_constant = 0;
      7SEC("freplace/get_constant")
      8int security_new_get_constant(long val)
      9{
     10	if (val != 123)
     11		return 0;
     12	test_get_constant = 1;
     13	return test_get_constant; /* original get_constant() returns val - 122 */
     14}
     15char _license[] SEC("license") = "GPL";