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