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cb1f7306b3
All of these were defined on all but a few platforms, and those explicitly #undef them. So define them as enabled by default in config.h so the board.h files are cleaner. No functional changes; just rearranging/renaming config constants. BUG=chrome-os-partner:18343 BRANCH=none TEST=build all platforms; FEATURES=test emerge-falco chromeos-ec Change-Id: I1201a1472ae29641e9e219c2a0347691ca64cd28 Signed-off-by: Randall Spangler <rspangler@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/63102 Reviewed-by: Vic Yang <victoryang@chromium.org>
105 lines
2.4 KiB
C
105 lines
2.4 KiB
C
/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* Various utility functions and macros */
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#ifndef __CROS_EC_UTIL_H
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#define __CROS_EC_UTIL_H
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#include "common.h"
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#include "compile_time_macros.h"
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#include "panic.h"
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/**
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* Trigger a debug exception if the condition
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* is not verified at runtime.
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*/
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#ifdef CONFIG_DEBUG_ASSERT
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#ifdef CONFIG_DEBUG_ASSERT_REBOOTS
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#define ASSERT(cond) do { \
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if (!(cond)) \
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panic_assert_fail(#cond, __func__, __FILE__, \
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__LINE__); \
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} while (0)
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#else
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#define ASSERT(cond) do { \
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if (!(cond)) \
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__asm("bkpt"); \
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} while (0)
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#endif
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#else
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#define ASSERT(cond)
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#endif
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/* Standard macros / definitions */
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#ifndef MAX
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#define MAX(a, b) ((a) > (b) ? (a) : (b))
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#endif
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#ifndef MIN
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#define MIN(a, b) ((a) < (b) ? (a) : (b))
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#endif
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#ifndef NULL
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#define NULL ((void *)0)
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#endif
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/**
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* macros for integer division with various rounding variants
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* default integer division rounds down.
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*/
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#define DIV_ROUND_UP(x, y) (((x) + ((y) - 1)) / (y))
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#define DIV_ROUND_NEAREST(x, y) (((x) + ((y) / 2)) / (y))
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/* Standard library functions */
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int atoi(const char *nptr);
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int isdigit(int c);
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int isspace(int c);
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int isalpha(int c);
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int isprint(int c);
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int memcmp(const void *s1, const void *s2, int len);
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void *memcpy(void *dest, const void *src, int len);
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void *memset(void *dest, int c, int len);
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void *memmove(void *dest, const void *src, int len);
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int strcasecmp(const char *s1, const char *s2);
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int strncasecmp(const char *s1, const char *s2, int size);
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int strlen(const char *s);
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/* Like strtol(), but for integers. */
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int strtoi(const char *nptr, char **endptr, int base);
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/* Like strncpy(), but guarantees null termination. */
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char *strzcpy(char *dest, const char *src, int len);
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/**
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* Parses a boolean option from a string.
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*
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* Strings that set *dest=0 and return 1 (all case-insensitive):
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* "off"
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* "dis*"
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* "n*"
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* "f*"
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*
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* Strings that set *dest=1 and return 1 (all case-insensitive):
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* "on"
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* "ena*"
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* "y*"
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* "t*"
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*
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* Other strings return 0 and leave *dest unchanged.
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*/
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int parse_bool(const char *s, int *dest);
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int tolower(int c);
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/* 64-bit divide-and-modulo. Does the equivalent of:
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*
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* r = *n % d;
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* *n /= d;
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* return r;
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*/
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int uint64divmod(uint64_t *v, int by);
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#endif /* __CROS_EC_UTIL_H */
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