diff options
Diffstat (limited to 'common/dlmalloc.c')
| -rw-r--r-- | common/dlmalloc.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/common/dlmalloc.c b/common/dlmalloc.c index d1cd561..26ba8fd 100644 --- a/common/dlmalloc.c +++ b/common/dlmalloc.c @@ -930,6 +930,8 @@ struct mallinfo mALLINFo(); #endif /* 0 */ /* Moved to malloc.h */ #include <malloc.h> +#include <asm/io.h> + #ifdef DEBUG #if __STD_C static void malloc_update_mallinfo (void); @@ -2174,6 +2176,20 @@ Void_t* mALLOc(bytes) size_t bytes; INTERNAL_SIZE_T nb; +#ifdef CONFIG_SYS_MALLOC_F_LEN + if (!(gd->flags & GD_FLG_RELOC)) { + ulong new_ptr; + void *ptr; + + new_ptr = gd->malloc_ptr + bytes; + if (new_ptr > gd->malloc_limit) + panic("Out of pre-reloc memory"); + ptr = map_sysmem(gd->malloc_base + gd->malloc_ptr, bytes); + gd->malloc_ptr = ALIGN(new_ptr, sizeof(new_ptr)); + return ptr; + } +#endif + /* check if mem_malloc_init() was run */ if ((mem_malloc_start == 0) && (mem_malloc_end == 0)) { /* not initialized yet */ @@ -2437,6 +2453,12 @@ void fREe(mem) Void_t* mem; mchunkptr fwd; /* misc temp for linking */ int islr; /* track whether merging with last_remainder */ +#ifdef CONFIG_SYS_MALLOC_F_LEN + /* free() is a no-op - all the memory will be freed on relocation */ + if (!(gd->flags & GD_FLG_RELOC)) + return; +#endif + if (mem == NULL) /* free(0) has no effect */ return; @@ -2588,6 +2610,13 @@ Void_t* rEALLOc(oldmem, bytes) Void_t* oldmem; size_t bytes; /* realloc of null is supposed to be same as malloc */ if (oldmem == NULL) return mALLOc(bytes); +#ifdef CONFIG_SYS_MALLOC_F_LEN + if (!(gd->flags & GD_FLG_RELOC)) { + /* This is harder to support and should not be needed */ + panic("pre-reloc realloc() is not supported"); + } +#endif + newp = oldp = mem2chunk(oldmem); newsize = oldsize = chunksize(oldp); @@ -2933,6 +2962,12 @@ Void_t* cALLOc(n, elem_size) size_t n; size_t elem_size; return NULL; else { +#ifdef CONFIG_SYS_MALLOC_F_LEN + if (!(gd->flags & GD_FLG_RELOC)) { + MALLOC_ZERO(mem, sz); + return mem; + } +#endif p = mem2chunk(mem); /* Two optional cases in which clearing not necessary */ |