1/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
2 * Use of this source code is governed by a BSD-style license that can be
3 * found in the LICENSE file.
4 *
5 * Stub API implementations which should be implemented by the caller.
6 */
7
8#include <stdarg.h>
9#include <stdio.h>
10
11#include "2sysincludes.h"
12#include "2api.h"
13
14__attribute__((weak))
15void vb2ex_printf(const char *func, const char *fmt, ...)
16{
17	va_list ap;
18	va_start(ap, fmt);
19	fprintf(stderr, "%s: ", func);
20	vfprintf(stderr, fmt, ap);
21	va_end(ap);
22}
23
24__attribute__((weak))
25int vb2ex_tpm_clear_owner(struct vb2_context *ctx)
26{
27	return VB2_ERROR_EX_TPM_CLEAR_OWNER_UNIMPLEMENTED;
28}
29
30__attribute__((weak))
31int vb2ex_read_resource(struct vb2_context *ctx,
32			enum vb2_resource_index index,
33			uint32_t offset,
34			void *buf,
35			uint32_t size)
36{
37	return VB2_ERROR_EX_READ_RESOURCE_UNIMPLEMENTED;
38}
39
40__attribute__((weak))
41int vb2ex_hwcrypto_digest_init(enum vb2_hash_algorithm hash_alg,
42			       uint32_t data_size)
43{
44	return VB2_ERROR_EX_HWCRYPTO_UNSUPPORTED;
45}
46
47__attribute__((weak))
48int vb2ex_hwcrypto_digest_extend(const uint8_t *buf,
49				 uint32_t size)
50{
51	return VB2_ERROR_SHA_EXTEND_ALGORITHM;	/* Should not be called. */
52}
53
54__attribute__((weak))
55int vb2ex_hwcrypto_digest_finalize(uint8_t *digest,
56				   uint32_t digest_size)
57{
58	return VB2_ERROR_SHA_FINALIZE_ALGORITHM; /* Should not be called. */
59}
60