nuttx/arch/xtensa/src/esp32/esp32_modtext.c

97 lines
3.2 KiB
C

/****************************************************************************
* arch/xtensa/src/esp32/esp32_modtext.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 <nuttx/arch.h>
#include <nuttx/fs/procfs.h>
#include <nuttx/mm/mm.h>
#include <sys/types.h>
#include <debug.h>
/****************************************************************************
* Public Data
****************************************************************************/
extern uint32_t _smodtext;
extern uint32_t _emodtext;
/****************************************************************************
* Private Data
****************************************************************************/
struct mm_heap_s g_module_text;
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: up_module_text_init
*
* Description:
* Initialize the module text allocator
*
****************************************************************************/
void up_module_text_init()
{
mm_initialize(&g_module_text, &_smodtext, &_emodtext - &_smodtext);
#if defined(CONFIG_FS_PROCFS) && !defined(CONFIG_FS_PROCFS_EXCLUDE_MEMINFO)
static struct procfs_meminfo_entry_s g_modtext_procfs;
g_modtext_procfs.name = "modtext";
g_modtext_procfs.mallinfo = (void *)mm_mallinfo;
g_modtext_procfs.user_data = &g_module_text;
procfs_register_meminfo(&g_modtext_procfs);
#endif
}
/****************************************************************************
* Name: up_module_text_alloc
*
* Description:
* Allocate memory for module text.
*
****************************************************************************/
FAR void *up_module_text_alloc(size_t size)
{
return mm_malloc(&g_module_text, size);
}
/****************************************************************************
* Name: up_module_text_free
*
* Description:
* Free memory for module text.
*
****************************************************************************/
void up_module_text_free(FAR void *p)
{
return mm_free(&g_module_text, p);
}