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/**
* @file
*
* @ingroup lpc32xx
*
* @brief Startup code.
*/
/*
* Copyright (c) 2009
* embedded brains GmbH
* Obere Lagerstr. 30
* D-82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#include <stdbool.h>
#include <bspopts.h>
#include <bsp/start.h>
#include <bsp/lpc32xx.h>
#include <bsp/linker-symbols.h>
#define BSP_START_SECTION __attribute__((section(".bsp_start")))
static void BSP_START_SECTION lpc32xx_clear_bss(void)
{
const int *end = (const int *) bsp_section_bss_end;
int *out = (int *) bsp_section_bss_begin;
/* Clear BSS */
while (out != end) {
*out = 0;
++out;
}
}
void BSP_START_SECTION bsp_start_hook_0(void)
{
/* TODO */
}
void BSP_START_SECTION bsp_start_hook_1(void)
{
/* TODO */
/* Copy .text section */
bsp_start_memcpy_arm(
(int *) bsp_section_text_begin,
(const int *) bsp_section_text_load_begin,
(size_t) bsp_section_text_size
);
/* Copy .rodata section */
bsp_start_memcpy_arm(
(int *) bsp_section_rodata_begin,
(const int *) bsp_section_rodata_load_begin,
(size_t) bsp_section_rodata_size
);
/* Copy .data section */
bsp_start_memcpy_arm(
(int *) bsp_section_data_begin,
(const int *) bsp_section_data_load_begin,
(size_t) bsp_section_data_size
);
/* Copy .fast section */
bsp_start_memcpy_arm(
(int *) bsp_section_fast_begin,
(const int *) bsp_section_fast_load_begin,
(size_t) bsp_section_fast_size
);
/* Clear .bss section */
lpc32xx_clear_bss();
/* At this point we can use objects outside the .start section */
}
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