From b25bb1f0726bf81aa1af52bd1eca63b51c907bcf Mon Sep 17 00:00:00 2001 From: Antony Pavlov Date: Thu, 8 Dec 2011 18:03:49 +0400 Subject: add tlsf-based malloc implementation Signed-off-by: Antony Pavlov Signed-off-by: Sascha Hauer --- common/tlsf_malloc.c | 78 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 common/tlsf_malloc.c (limited to 'common/tlsf_malloc.c') diff --git a/common/tlsf_malloc.c b/common/tlsf_malloc.c new file mode 100644 index 0000000000..a6f82ba58d --- /dev/null +++ b/common/tlsf_malloc.c @@ -0,0 +1,78 @@ +/* + * tlsf wrapper for barebox + * + * Copyright (C) 2011 Antony Pavlov + * + * This file is part of barebox. + * See file CREDITS for list of people who contributed to this project. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include + +#include +#include +#include + +extern tlsf_pool tlsf_mem_pool; + +void *malloc(size_t bytes) +{ + return tlsf_malloc(tlsf_mem_pool, bytes); +} +EXPORT_SYMBOL(malloc); + +/* + * calloc calls malloc, then zeroes out the allocated chunk. + */ +void *calloc(size_t n, size_t elem_size) +{ + void *mem; + size_t sz; + + sz = n * elem_size; + mem = malloc(sz); + memset(mem, 0, sz); + + return mem; +} +EXPORT_SYMBOL(calloc); + +void free(void *mem) +{ + tlsf_free(tlsf_mem_pool, mem); +} +EXPORT_SYMBOL(free); + +void *realloc(void *oldmem, size_t bytes) +{ + return tlsf_realloc(tlsf_mem_pool, oldmem, bytes); +} +EXPORT_SYMBOL(realloc); + +void *memalign(size_t alignment, size_t bytes) +{ + return tlsf_memalign(tlsf_mem_pool, alignment, bytes); +} +EXPORT_SYMBOL(memalign); + +#ifdef CONFIG_CMD_MEMINFO +void malloc_stats(void) +{ +} +#endif /* CONFIG_CMD_MEMINFO */ -- cgit v1.2.3