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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endian.c (1433B)

      1// SPDX-License-Identifier: GPL-2.0
      2/* Copyright (c) 2020 Facebook */
      3
      4#include <test_progs.h>
      5#include "test_endian.skel.h"
      6
      7static int duration;
      8
      9#define IN16 0x1234
     10#define IN32 0x12345678U
     11#define IN64 0x123456789abcdef0ULL
     12
     13#define OUT16 0x3412
     14#define OUT32 0x78563412U
     15#define OUT64 0xf0debc9a78563412ULL
     16
     17void test_endian(void)
     18{
     19	struct test_endian* skel;
     20	struct test_endian__bss *bss;
     21	int err;
     22
     23	skel = test_endian__open_and_load();
     24	if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
     25		return;
     26	bss = skel->bss;
     27
     28	bss->in16 = IN16;
     29	bss->in32 = IN32;
     30	bss->in64 = IN64;
     31
     32	err = test_endian__attach(skel);
     33	if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
     34		goto cleanup;
     35
     36	usleep(1);
     37
     38	CHECK(bss->out16 != OUT16, "out16", "got 0x%llx != exp 0x%llx\n",
     39	      (__u64)bss->out16, (__u64)OUT16);
     40	CHECK(bss->out32 != OUT32, "out32", "got 0x%llx != exp 0x%llx\n",
     41	      (__u64)bss->out32, (__u64)OUT32);
     42	CHECK(bss->out64 != OUT64, "out16", "got 0x%llx != exp 0x%llx\n",
     43	      (__u64)bss->out64, (__u64)OUT64);
     44
     45	CHECK(bss->const16 != OUT16, "const16", "got 0x%llx != exp 0x%llx\n",
     46	      (__u64)bss->const16, (__u64)OUT16);
     47	CHECK(bss->const32 != OUT32, "const32", "got 0x%llx != exp 0x%llx\n",
     48	      (__u64)bss->const32, (__u64)OUT32);
     49	CHECK(bss->const64 != OUT64, "const64", "got 0x%llx != exp 0x%llx\n",
     50	      (__u64)bss->const64, (__u64)OUT64);
     51cleanup:
     52	test_endian__destroy(skel);
     53}