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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2013-05-19 Bernard The first version for LPC40xx
*/
#include "board.h"
#include "drv_sram.h"
#include <rtthread.h>
#ifdef BSP_DRV_SDRAM
struct rt_memheap system_heap;
void sram_init(void)
{
rt_kprintf("system ram: [0x%08x - 0x%08x]\n", HEAP_BEGIN, HEAP_END);
/* initialize the built-in SRAM as a memory heap */
rt_memheap_init(&system_heap,
"system",
(void *)HEAP_BEGIN,
(rt_uint32_t)HEAP_END - (rt_uint32_t)HEAP_BEGIN);
}
void *sram_malloc(unsigned long size)
{
return rt_memheap_alloc(&system_heap, size);
}
RTM_EXPORT(sram_malloc);
void sram_free(void *ptr)
{
rt_memheap_free(ptr);
}
RTM_EXPORT(sram_free);
void *sram_realloc(void *ptr, unsigned long size)
{
return rt_memheap_realloc(&system_heap, ptr, size);
}
RTM_EXPORT(sram_realloc);
#endif
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