| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2009 Myles Watson <mylesgw@gmail.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc. |
| */ |
| |
| /* This file is for "nuisance prototypes" that have no other home. */ |
| |
| #ifndef __LIB_H__ |
| #define __LIB_H__ |
| #include <stdint.h> |
| #include <types.h> |
| |
| /* Defined in src/lib/lzma.c */ |
| unsigned long ulzma(unsigned char *src, unsigned char *dst); |
| |
| /* Defined in src/lib/ramtest.c */ |
| void ram_check(unsigned long start, unsigned long stop); |
| int ram_check_nodie(unsigned long start, unsigned long stop); |
| int ram_check_noprint_nodie(unsigned long start, unsigned long stop); |
| void quick_ram_check(void); |
| |
| /* Defined in primitive_memtest.c */ |
| int primitive_memtest(uintptr_t base, uintptr_t size); |
| |
| /* Defined in src/lib/stack.c */ |
| int checkstack(void *top_of_stack, int core); |
| |
| /* Defined in src/lib/hexdump.c */ |
| void hexdump(const void *memory, size_t length); |
| void hexdump32(char LEVEL, const void *d, size_t len); |
| |
| #if !defined(__ROMCC__) |
| /* Count Leading Zeroes: clz(0) == 32, clz(0xf) == 28, clz(1 << 31) == 0 */ |
| static inline int clz(u32 x) { return x ? __builtin_clz(x) : sizeof(x) * 8; } |
| /* Integer binary logarithm (rounding down): log2(0) == -1, log2(5) == 2 */ |
| static inline int log2(u32 x) { return sizeof(x) * 8 - clz(x) - 1; } |
| /* Find First Set: __ffs(1) == 0, __ffs(0) == -1, __ffs(1<<31) == 31 */ |
| static inline int __ffs(u32 x) { return log2(x & (u32)(-(s32)x)); } |
| #endif |
| |
| /* Integer binary logarithm (rounding up): log2_ceil(0) == -1, log2(5) == 3 */ |
| static inline int log2_ceil(u32 x) { return (x == 0) ? -1 : log2(x * 2 - 1); } |
| |
| #endif /* __LIB_H__ */ |