98 lines
2.8 KiB
C
98 lines
2.8 KiB
C
/****************************************************************************
|
|
* arch/arm/src/cxd56xx/cxd56_textheap.c
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <sys/types.h>
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
#include <assert.h>
|
|
#include <debug.h>
|
|
|
|
#include <nuttx/arch.h>
|
|
#include <nuttx/kmalloc.h>
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
#define SYSBUS_ADDRESS_OFFSET 0x20000000
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: up_textheap_memalign()
|
|
****************************************************************************/
|
|
|
|
FAR void *up_textheap_memalign(size_t align, size_t size)
|
|
{
|
|
FAR void *ret;
|
|
ret = (FAR void *)kmm_malloc(size);
|
|
|
|
#ifdef CONFIG_CXD56_USE_SYSBUS
|
|
if (ret)
|
|
{
|
|
binfo("** ret=%p \n", ret);
|
|
|
|
/* NOTE:
|
|
* kmm_malloc() will return the address in SYSBUS.
|
|
* So convert the address to I/D BUS.
|
|
*/
|
|
|
|
ret -= SYSBUS_ADDRESS_OFFSET;
|
|
|
|
binfo("** mapped to %p \n", ret);
|
|
}
|
|
#endif
|
|
|
|
return ret;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: up_textheap_free()
|
|
****************************************************************************/
|
|
|
|
void up_textheap_free(FAR void *p)
|
|
{
|
|
#ifdef CONFIG_CXD56_USE_SYSBUS
|
|
if (p)
|
|
{
|
|
binfo("** p=%p \n", p);
|
|
|
|
/* NOTE:
|
|
* The address p will be in I/D BUS.
|
|
* So convert the address to SYSBUS.
|
|
*/
|
|
|
|
p += SYSBUS_ADDRESS_OFFSET;
|
|
|
|
binfo("** mapped to %p \n", p);
|
|
}
|
|
#endif
|
|
|
|
kmm_free(p);
|
|
}
|