72 lines
2.6 KiB
C
72 lines
2.6 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2009 Myles Watson <mylesgw@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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/* This file is for "nuisance prototypes" that have no other home. */
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#ifndef __LIB_H__
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#define __LIB_H__
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#include <stdint.h>
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#include <types.h>
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/* Defined in src/lib/lzma.c. Returns decompressed size or 0 on error. */
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size_t ulzman(const void *src, size_t srcn, void *dst, size_t dstn);
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/* Defined in src/lib/ramtest.c */
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void ram_check(unsigned long start, unsigned long stop);
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int ram_check_nodie(unsigned long start, unsigned long stop);
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int ram_check_noprint_nodie(unsigned long start, unsigned long stop);
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void quick_ram_check(void);
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/* Defined in primitive_memtest.c */
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int primitive_memtest(uintptr_t base, uintptr_t size);
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/* Defined in src/lib/stack.c */
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int checkstack(void *top_of_stack, int core);
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/*
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* Defined in src/lib/hexdump.c
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* Use the Linux command "xxd" for matching output. xxd is found in package
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* https://packages.debian.org/jessie/amd64/vim-common/filelist
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*/
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void hexdump(const void *memory, size_t length);
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void hexdump32(char LEVEL, const void *d, size_t len);
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/*
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* hexstrtobin - Turn a string of ASCII hex characters into binary
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*
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* @str: String of hex characters to parse
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* @buf: Buffer to store the resulting bytes into
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* @len: Maximum length of buffer to fill
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*
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* Defined in src/lib/hexstrtobin.c
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* Ignores non-hex characters in the string.
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* Returns the number of bytes that have been put in the buffer.
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*/
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size_t hexstrtobin(const char *str, uint8_t *buf, size_t len);
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#if !defined(__ROMCC__)
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/* Count Leading Zeroes: clz(0) == 32, clz(0xf) == 28, clz(1 << 31) == 0 */
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static inline int clz(u32 x) { return x ? __builtin_clz(x) : sizeof(x) * 8; }
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/* Integer binary logarithm (rounding down): log2(0) == -1, log2(5) == 2 */
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static inline int log2(u32 x) { return sizeof(x) * 8 - clz(x) - 1; }
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/* Find First Set: __ffs(1) == 0, __ffs(0) == -1, __ffs(1<<31) == 31 */
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static inline int __ffs(u32 x) { return log2(x & (u32)(-(s32)x)); }
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#endif
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/* Integer binary logarithm (rounding up): log2_ceil(0) == -1, log2(5) == 3 */
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static inline int log2_ceil(u32 x) { return (x == 0) ? -1 : log2(x * 2 - 1); }
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#endif /* __LIB_H__ */
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