xref: /linux/tools/testing/selftests/sgx/test_encl.c (revision 6beeaf48db6c548fcfc2ad32739d33af2fef3a5b)
1 // SPDX-License-Identifier: GPL-2.0
2 /*  Copyright(c) 2016-20 Intel Corporation. */
3 
4 #include <stddef.h>
5 #include "defines.h"
6 
7 static uint8_t encl_buffer[8192] = { 1 };
8 
9 static void *memcpy(void *dest, const void *src, size_t n)
10 {
11 	size_t i;
12 
13 	for (i = 0; i < n; i++)
14 		((char *)dest)[i] = ((char *)src)[i];
15 
16 	return dest;
17 }
18 
19 void encl_body(void *rdi,  void *rsi)
20 {
21 	struct encl_op *op = (struct encl_op *)rdi;
22 
23 	switch (op->type) {
24 	case ENCL_OP_PUT:
25 		memcpy(&encl_buffer[0], &op->buffer, 8);
26 		break;
27 
28 	case ENCL_OP_GET:
29 		memcpy(&op->buffer, &encl_buffer[0], 8);
30 		break;
31 
32 	default:
33 		break;
34 	}
35 }
36