1923d54bfc
Add debug statements to memalign_simple to match malloc_simple. Signed-off-by: Andrew F. Davis <afd@ti.com> Reviewed-by: Tom Rini <trini@konsulko.com>
66 lines
1.2 KiB
C
66 lines
1.2 KiB
C
/*
|
|
* Simple malloc implementation
|
|
*
|
|
* Copyright (c) 2014 Google, Inc
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <malloc.h>
|
|
#include <mapmem.h>
|
|
#include <asm/io.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
void *malloc_simple(size_t bytes)
|
|
{
|
|
ulong new_ptr;
|
|
void *ptr;
|
|
|
|
new_ptr = gd->malloc_ptr + bytes;
|
|
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;
|
|
}
|
|
|
|
#if CONFIG_IS_ENABLED(SYS_MALLOC_SIMPLE)
|
|
void *calloc(size_t nmemb, size_t elem_size)
|
|
{
|
|
size_t size = nmemb * elem_size;
|
|
void *ptr;
|
|
|
|
ptr = malloc(size);
|
|
memset(ptr, '\0', size);
|
|
|
|
return ptr;
|
|
}
|
|
#endif
|