| /* |
| * This file is part of the libpayload project. |
| * |
| * Copyright (C) 2008 Advanced Micro Devices, Inc. |
| * Copyright 2013 Google Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #ifndef _STDLIB_H |
| #define _STDLIB_H |
| |
| #include <die.h> |
| #include <stddef.h> |
| #include <string.h> |
| |
| #define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1UL) |
| #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) |
| #define ALIGN_UP(x,a) ALIGN((x),(a)) |
| #define ALIGN_DOWN(x,a) ((x) & ~((typeof(x))(a)-1UL)) |
| #define IS_ALIGNED(x,a) (((x) & ((typeof(x))(a)-1UL)) == 0) |
| |
| /** |
| * @defgroup malloc Memory allocation functions |
| * @{ |
| */ |
| #if IS_ENABLED(CONFIG_LP_DEBUG_MALLOC) && !defined(IN_MALLOC_C) |
| #define free(p) \ |
| ({ \ |
| extern void print_malloc_map(void); \ |
| extern void free(void *); \ |
| printf("free(%p) called from %s:%s:%d...\n", p, __FILE__, __func__, \ |
| __LINE__);\ |
| printf("PRE free()\n"); \ |
| print_malloc_map(); \ |
| free(p); \ |
| printf("POST free()\n"); \ |
| print_malloc_map(); \ |
| }) |
| #define malloc(s) \ |
| ({ \ |
| extern void print_malloc_map(void); \ |
| extern void *malloc(size_t); \ |
| void *ptr; \ |
| printf("malloc(%u) called from %s:%s:%d...\n", s, __FILE__, __func__, \ |
| __LINE__);\ |
| printf("PRE malloc\n"); \ |
| print_malloc_map(); \ |
| ptr = malloc(s); \ |
| printf("POST malloc (ptr = %p)\n", ptr); \ |
| print_malloc_map(); \ |
| ptr; \ |
| }) |
| #define calloc(n,s) \ |
| ({ \ |
| extern void print_malloc_map(void); \ |
| extern void *calloc(size_t,size_t); \ |
| void *ptr; \ |
| printf("calloc(%u, %u) called from %s:%s:%d...\n", n, s, __FILE__, \ |
| __func__, __LINE__);\ |
| printf("PRE calloc\n"); \ |
| print_malloc_map(); \ |
| ptr = calloc(n,s); \ |
| printf("POST calloc (ptr = %p)\n", ptr); \ |
| print_malloc_map(); \ |
| ptr; \ |
| }) |
| #define realloc(p,s) \ |
| ({ \ |
| extern void print_malloc_map(void); \ |
| extern void *realloc(void*,size_t); \ |
| void *ptr; \ |
| printf("realloc(%p, %u) called from %s:%s:%d...\n", p, s, __FILE__, \ |
| __func__, __LINE__);\ |
| printf("PRE realloc\n"); \ |
| print_malloc_map(); \ |
| ptr = realloc(p,s); \ |
| printf("POST realloc (ptr = %p)\n", ptr); \ |
| print_malloc_map(); \ |
| ptr; \ |
| }) |
| #define memalign(a,s) \ |
| ({ \ |
| extern void print_malloc_map(void); \ |
| extern void *memalign(size_t, size_t); \ |
| void *ptr; \ |
| printf("memalign(%u, %u) called from %s:%s:%d...\n", a, s, __FILE__, \ |
| __func__, __LINE__);\ |
| printf("PRE memalign\n"); \ |
| print_malloc_map(); \ |
| ptr = memalign(a,s); \ |
| printf("POST memalign (ptr = %p)\n", ptr); \ |
| print_malloc_map(); \ |
| ptr; \ |
| }) |
| #define dma_malloc(s) \ |
| ({ \ |
| extern void print_malloc_map(void); \ |
| extern void *dma_malloc(size_t); \ |
| void *ptr; \ |
| printf("dma_malloc(%u) called from %s:%s:%d...\n", s, __FILE__, \ |
| __func__, __LINE__);\ |
| printf("PRE dma_malloc\n"); \ |
| print_malloc_map(); \ |
| ptr = dma_malloc(s); \ |
| printf("POST dma_malloc (ptr = %p)\n", ptr); \ |
| print_malloc_map(); \ |
| ptr; \ |
| }) |
| #define dma_memalign(a,s) \ |
| ({ \ |
| extern void print_malloc_map(void); \ |
| extern void *dma_memalign(size_t, size_t); \ |
| void *ptr; \ |
| printf("dma_memalign(%u, %u) called from %s:%s:%d...\n", a, s, \ |
| __FILE__, __func__, __LINE__);\ |
| printf("PRE dma_memalign\n"); \ |
| print_malloc_map(); \ |
| ptr = dma_memalign(a,s); \ |
| printf("POST dma_memalign (ptr = %p)\n", ptr); \ |
| print_malloc_map(); \ |
| ptr; \ |
| }) |
| #else |
| void free(void *ptr); |
| void *malloc(size_t size); |
| void *calloc(size_t nmemb, size_t size); |
| void *realloc(void *ptr, size_t size); |
| void *memalign(size_t align, size_t size); |
| void *dma_malloc(size_t size); |
| void *dma_memalign(size_t align, size_t size); |
| #endif |
| void init_dma_memory(void *start, u32 size); |
| int dma_initialized(void); |
| int dma_coherent(void *ptr); |
| |
| static inline void *xmalloc_work(size_t size, const char *file, |
| const char *func, int line) |
| { |
| void *ret = malloc(size); |
| if (!ret && size) { |
| die_work(file, func, line, "Failed to malloc %zu bytes.\n", |
| size); |
| } |
| return ret; |
| } |
| #define xmalloc(size) xmalloc_work((size), __FILE__, __FUNCTION__, __LINE__) |
| |
| static inline void *xzalloc_work(size_t size, const char *file, |
| const char *func, int line) |
| { |
| void *ret = xmalloc_work(size, file, func, line); |
| memset(ret, 0, size); |
| return ret; |
| } |
| #define xzalloc(size) xzalloc_work((size), __FILE__, __FUNCTION__, __LINE__) |
| |
| static inline void *xmemalign_work(size_t align, size_t size, const char *file, |
| const char *func, int line) |
| { |
| void *ret = memalign(align, size); |
| if (!ret && size) { |
| die_work(file, func, line, |
| "Failed to memalign %zu bytes with %zu alignment.\n", |
| size, align); |
| } |
| return ret; |
| } |
| #define xmemalign(align, size) \ |
| xmemalign_work((align), (size), __FILE__, __func__, __LINE__) |
| /** @} */ |
| |
| /** |
| * @defgroup stdlib String conversion functions |
| * @{ |
| */ |
| long int strtol(const char *s, char **nptr, int base); |
| unsigned long int strtoul(const char *s, char **nptr, int base); |
| unsigned long long int strtoull(const char *s, char **nptr, int base); |
| long atol(const char *nptr); |
| |
| /** @} */ |
| |
| /** |
| * @defgroup rand Random number generator functions |
| * @{ |
| */ |
| int rand_r(unsigned int *seed); |
| int rand(void); |
| void srand(unsigned int seed); |
| /** @} */ |
| |
| /** |
| * Stop execution and halt the processor (this function does not return). |
| */ |
| void halt(void) __attribute__ ((noreturn)); |
| void exit(int status) __attribute__ ((noreturn)); |
| #define abort() halt() /**< Alias for the halt() function */ |
| #if IS_ENABLED(CONFIG_LP_REMOTEGDB) |
| /* Override abort()/halt() to trap into GDB if it is enabled. */ |
| #define halt() do { gdb_enter(); halt(); } while (0) |
| #endif |
| |
| /** @} */ |
| |
| void qsort(void *aa, size_t n, size_t es, int (*cmp)(const void *, const void *)); |
| char *getenv(const char*); |
| uint64_t __umoddi3(uint64_t num, uint64_t den); |
| uint64_t __udivdi3(uint64_t num, uint64_t den); |
| uint64_t __ashldi3(uint64_t num, unsigned shift); |
| uint64_t __lshrdi3(uint64_t num, unsigned shift); |
| |
| #endif |