rtt-f030/components/init/components.c

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/*
* File : components.c
* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2012 - 2013, RT-Thread Development Team
*
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* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2012-09-20 Bernard Change the name to components.c
* And all components related header files.
* 2012-12-23 Bernard fix the pthread initialization issue.
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* 2013-06-23 Bernard Add the init_call for components initialization.
*/
#include "components.h"
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static int rti_start(void)
{
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return 0;
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}
INIT_EXPORT(rti_start, "0");
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static int rti_board_end(void)
{
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return 0;
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}
INIT_EXPORT(rti_board_end, "1.post");
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static int rti_end(void)
{
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return 0;
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}
INIT_EXPORT(rti_end,"7");
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#if defined(_MSC_VER) || (defined(__GNUC__) && defined(__x86_64__))
/* fixed for MSC_VC and x86_64 in GNU GCC */
#define NEXT_COMPONENT_FN(fn_ptr, end) fn_ptr = _next_component_fn(fn_ptr, end)
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const init_fn_t *_next_component_fn(const init_fn_t *fn, const init_fn_t *end)
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{
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unsigned int *ptr;
ptr = (unsigned int*) (fn + 1);
while ((*ptr == 0) && ((unsigned int*)ptr < (unsigned int*)end))
ptr ++;
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return (const init_fn_t*)ptr;
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}
#else
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#define NEXT_COMPONENT_FN(fn_ptr, end) fn_ptr++
#endif
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/**
* RT-Thread Components Initialization for board
*/
void rt_components_board_init(void)
{
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const init_fn_t *fn_ptr;
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for (fn_ptr = &__rt_init_rti_start; fn_ptr < &__rt_init_rti_board_end; )
{
(*fn_ptr)();
NEXT_COMPONENT_FN(fn_ptr, __rt_init_rti_board_end);
}
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}
/**
* RT-Thread Components Initialization
*/
void rt_components_init(void)
{
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const init_fn_t *fn_ptr;
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for (fn_ptr = &__rt_init_rti_board_end; fn_ptr < &__rt_init_rti_end; )
{
(*fn_ptr)();
NEXT_COMPONENT_FN(fn_ptr, __rt_init_rti_end);
}
}
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