X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=common%2Fmalloc_simple.c;h=c14f8b59c178ee251cc79299f9fcccfbcb1e340a;hb=b559c4af803fe22bef09a4e879fd8605391767f3;hp=64ae0365afc52f055621e2c2e6e18e9c095dc9ed;hpb=2c8571703a3aacfb09defc35c42c6250a6746d58;p=u-boot diff --git a/common/malloc_simple.c b/common/malloc_simple.c index 64ae0365af..c14f8b59c1 100644 --- a/common/malloc_simple.c +++ b/common/malloc_simple.c @@ -1,13 +1,13 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Simple malloc implementation * * Copyright (c) 2014 Google, Inc - * - * SPDX-License-Identifier: GPL-2.0+ */ #include #include +#include #include DECLARE_GLOBAL_DATA_PTR; @@ -18,14 +18,39 @@ void *malloc_simple(size_t bytes) void *ptr; new_ptr = gd->malloc_ptr + bytes; - if (new_ptr > gd->malloc_limit) + debug("%s: size=%zx, ptr=%lx, limit=%lx: ", __func__, bytes, new_ptr, + gd->malloc_limit); + if (new_ptr > gd->malloc_limit) { + debug("space exhausted\n"); return NULL; + } ptr = map_sysmem(gd->malloc_base + gd->malloc_ptr, bytes); gd->malloc_ptr = ALIGN(new_ptr, sizeof(new_ptr)); + debug("%lx\n", (ulong)ptr); + + return ptr; +} + +void *memalign_simple(size_t align, size_t bytes) +{ + ulong addr, new_ptr; + void *ptr; + + addr = ALIGN(gd->malloc_base + gd->malloc_ptr, align); + new_ptr = addr + bytes - gd->malloc_base; + if (new_ptr > gd->malloc_limit) { + debug("space exhausted\n"); + return NULL; + } + + ptr = map_sysmem(addr, bytes); + gd->malloc_ptr = ALIGN(new_ptr, sizeof(new_ptr)); + debug("%lx\n", (ulong)ptr); + return ptr; } -#ifdef CONFIG_SYS_MALLOC_SIMPLE +#if CONFIG_IS_ENABLED(SYS_MALLOC_SIMPLE) void *calloc(size_t nmemb, size_t elem_size) { size_t size = nmemb * elem_size;