mirror of
https://github.com/Telecominfraproject/OpenCellular.git
synced 2025-11-30 21:23:40 +00:00
e49e8af65f
Third time's the charm. Now that we've moved to u-boot-next, this won't break the ARM build. BUG=chromium-os:17006 TEST=make && make runtests; emerge vboot_reference; emerge-tegra2_seaboard chromeos-bootimage Change-Id: Ib4fa26c7a23868dd2ffd2b321ee8dc08c66ea322 Original-Change-Id: I771085dcdf79d9592de64f35e3b758111a80dd9f Original-Reviewed-on: http://gerrit.chromium.org/gerrit/3263 Original-Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-on: http://gerrit.chromium.org/gerrit/3803 Tested-by: Randall Spangler <rspangler@chromium.org> Reviewed-by: Simon Glass <sjg@chromium.org>
104 lines
3.6 KiB
C
104 lines
3.6 KiB
C
/* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
/* Helper functions/wrappers for memory allocations, manipulation and
|
|
* comparison.
|
|
*/
|
|
|
|
#ifndef VBOOT_REFERENCE_UTILITY_H_
|
|
#define VBOOT_REFERENCE_UTILITY_H_
|
|
|
|
#include "sysincludes.h"
|
|
|
|
/* Debug and error output */
|
|
#ifdef VBOOT_DEBUG
|
|
#define VBDEBUG(params) VbExDebug params
|
|
#else
|
|
#define VBDEBUG(params)
|
|
#endif
|
|
|
|
#ifndef VBOOT_PERFORMANCE
|
|
/* Define performance macros as nothing. If you enable VBOOT_PERFORMANCE,
|
|
* you must define these macros in your platform's biosincludes.h.
|
|
*
|
|
* Intended usage for using a performance counter called 'foo':
|
|
*
|
|
* VBPERFSTART("foo")
|
|
* ...code to be tested...
|
|
* VBPERFEND("foo")
|
|
*
|
|
* Names should be <= 8 characters to be compatible with all platforms.
|
|
*/
|
|
#define VBPERFSTART(name)
|
|
#define VBPERFEND(name)
|
|
#endif
|
|
|
|
#ifdef VBOOT_DEBUG
|
|
#define VbAssert(expr) do { if (!(expr)) { \
|
|
VbExError("assert fail: %s at %s:%d\n", \
|
|
#expr, __FILE__, __LINE__); }} while(0)
|
|
#else
|
|
#define VbAssert(expr)
|
|
#endif
|
|
|
|
/* Combine [msw] and [lsw] uint16s to a uint32_t with its [msw] and
|
|
* [lsw] forming the most and least signficant 16-bit words.
|
|
*/
|
|
#define CombineUint16Pair(msw,lsw) (((msw) << 16) | \
|
|
(((lsw)) & 0xFFFF))
|
|
/* Return the minimum of (a) or (b). */
|
|
#define Min(a, b) (((a) < (b)) ? (a) : (b))
|
|
|
|
/* Compare [n] bytes in [src1] and [src2]
|
|
* Returns an integer less than, equal to, or greater than zero if the first [n]
|
|
* bytes of [src1] is found, respectively, to be less than, to match, or be
|
|
* greater than the first n bytes of [src2]. */
|
|
int Memcmp(const void* src1, const void* src2, size_t n);
|
|
|
|
/* Copy [n] bytes from [src] to [dest]. */
|
|
void* Memcpy(void* dest, const void* src, uint64_t n);
|
|
|
|
|
|
/* Implementations of the functions below must be built as part of the firmware
|
|
* and defined in lib/utility.c */
|
|
|
|
/* Set [n] bytes starting at [s] to [c]. */
|
|
void* Memset(void *dest, const uint8_t c, uint64_t n);
|
|
|
|
/* Compare [n] bytes starting at [s1] with [s2] and return 0 if they match,
|
|
* 1 if they don't. Time taken to perform the comparison is only dependent on
|
|
* [n] and not on the relationship of the match between [s1] and [s2].
|
|
*/
|
|
int SafeMemcmp(const void* s1, const void* s2, size_t n);
|
|
|
|
/* Buffer size required to hold the longest possible output of
|
|
* Uint64ToString() - that is, Uint64ToString(~0, 2). */
|
|
#define UINT64_TO_STRING_MAX 65
|
|
|
|
/* Convert a value to a string in the specified radix (2=binary, 10=decimal,
|
|
* 16=hex) and store it in <buf>, which is <bufsize> chars long. If
|
|
* <zero_pad_width>, left-pads the string to at least that width with '0'.
|
|
* Returns the length of the stored string, not counting the terminating
|
|
* null. */
|
|
uint32_t Uint64ToString(char *buf, uint32_t bufsize, uint64_t value,
|
|
uint32_t radix, uint32_t zero_pad_width);
|
|
|
|
/* Concatenate <src> onto <dest>, which has space for <destlen> characters
|
|
* including the terminating null. Note that <dest> will always be
|
|
* null-terminated if <destlen> > 0. Returns the number of characters
|
|
* used in <dest>, not counting the terminating null. */
|
|
uint32_t Strncat(char *dest, const char *src, uint32_t destlen);
|
|
|
|
/* Ensure that only our stub implementations are used, not standard C */
|
|
#ifndef _STUB_IMPLEMENTATION_
|
|
#define malloc _do_not_use_standard_malloc
|
|
#define free _do_not_use_standard_free
|
|
#define memcmp _do_not_use_standard_memcmp
|
|
#define memcpy _do_not_use_standard_memcpy
|
|
#define memset _do_not_use_standard_memset
|
|
#endif
|
|
|
|
#endif /* VBOOT_REFERENCE_UTILITY_H_ */
|