startup.h - Pastebin.com

/*

*

* SPDX-License-Identifier: BSD-3-Clause

*/

#ifndef STARTUP_H

#define STARTUP_H

#include <stdint.h>

#include "device_registers.h"

/**

* @page misra_violations MISRA-C:2012 violations

*

* @section [global]

* Violates MISRA 2012 Advisory Rule 2.5, Local macro not referenced.

* The defined macro is used as include guard.

*

* @section [global]

* Violates MISRA 2012 Advisory Rule 8.9, An object should be defined at block

* scope if its identifier only appears in a single function.

* All variables with this problem are defined in the linker files.

*

*/

/*******************************************************************************

* API

******************************************************************************/

/*!

* @brief define symbols that specific start and end addres of some basic sections.

*/

#if (defined(S32K14x_SERIES) || defined(S32K11x_SERIES) || defined(S32V234_SERIES) || \

defined(MPC574x_SERIES) || defined(S32R_SERIES) || defined(S32MTV_SERIES) || \

defined(SJA1110_SERIES)) || defined (S32K144W_M4_SERIES) || defined (S32K142W_M4_SERIES)

#if (defined(__ICCARM__))

#define INTERRUPTS_SECTION_START __section_begin(".intvec")

#define INTERRUPTS_SECTION_END __section_end(".intvec")

#define BSS_SECTION_START __section_begin(".bss")

#define BSS_SECTION_END __section_end(".bss")

#define DATA_SECTION_START __section_begin(".data")

#define DATA_SECTION_END __section_end(".data")

#define CUSTOMSECTION_SECTION_START __section_begin(".customSection")

#define CUSTOMSECTION_SECTION_END __section_end(".customSection")

#define CODE_RAM_SECTION_START __section_begin("__CODE_RAM")

#define CODE_RAM_SECTION_END __section_end("__CODE_RAM")

#define DATA_INIT_SECTION_START __section_begin(".data_init")

#define DATA_INIT_SECTION_END __section_end(".data_init")

#define CODE_ROM_SECTION_START __section_begin("__CODE_ROM")

#define CODE_ROM_SECTION_END __section_end("__CODE_ROM")

#elif (defined(__ARMCC_VERSION))

#define INTERRUPTS_SECTION_START (uint8_t *)__VECTOR_ROM_START

#define INTERRUPTS_SECTION_END (uint8_t *)__VECTOR_ROM_END

#define BSS_SECTION_START (uint8_t *)__BSS_START

#define BSS_SECTION_END (uint8_t *)__BSS_END

#define DATA_SECTION_START (uint8_t *)__DATA_RAM_START

#define DATA_SECTION_END (uint8_t *)__DATA_RAM_END

#define CUSTOMSECTION_SECTION_START (uint8_t *)__CUSTOM_SECTION_START

#define CUSTOMSECTION_SECTION_END (uint8_t *)__CUSTOM_SECTION_END

#define CODE_RAM_SECTION_START (uint8_t *)__CODE_RAM_START

#define CODE_RAM_SECTION_END (uint8_t *)__CODE_RAM_END

extern uint32_t __VECTOR_ROM_START;

extern uint32_t __VECTOR_ROM_END;

extern uint32_t __BSS_START;

extern uint32_t __BSS_END;

extern uint32_t __DATA_RAM_START;

extern uint32_t __DATA_RAM_END;

extern uint32_t __CUSTOM_SECTION_START;

extern uint32_t __CUSTOM_SECTION_END;

extern uint32_t __CODE_RAM_START;

extern uint32_t __CODE_RAM_END;

#else

#define INTERRUPTS_SECTION_START (uint8_t *)&__interrupts_start__

#define INTERRUPTS_SECTION_END (uint8_t *)&__interrupts_end__

#define BSS_SECTION_START (uint8_t *)&__bss_start__

#define BSS_SECTION_END (uint8_t *)&__bss_end__

#define DATA_SECTION_START (uint8_t *)&__data_start__

#define DATA_SECTION_END (uint8_t *)&__data_end__

#define CUSTOMSECTION_SECTION_START (uint8_t *)&__customSection_start__

#define CUSTOMSECTION_SECTION_END (uint8_t *)&__customSection_end__

#define CODE_RAM_SECTION_START (uint8_t *)&__code_ram_start__

#define CODE_RAM_SECTION_END (uint8_t *)&__code_ram_end__

extern uint32_t __interrupts_start__;

extern uint32_t __interrupts_end__;

extern uint32_t __bss_start__;

extern uint32_t __bss_end__;

extern uint32_t __data_start__;

extern uint32_t __data_end__;

extern uint32_t __customSection_start__;

extern uint32_t __customSection_end__;

extern uint32_t __code_ram_start__;

extern uint32_t __code_ram_end__;

#endif

#if (defined(__ICCARM__))

#pragma section = ".data"

#pragma section = ".data_init"

#pragma section = ".bss"

#pragma section = ".intvec"

#pragma section = ".customSection"

#pragma section = ".customSection_init"

#pragma section = "__CODE_RAM"

#pragma section = "__CODE_ROM"

#endif

/*!

* @brief Make necessary initializations for RAM.

*

* - Copy initialized data from ROM to RAM.

* - Clear the zero-initialized data section.

* - Copy the vector table from ROM to RAM. This could be an option.

*/

void init_data_bss(void);

#endif /* STARTUP_H*/

/*******************************************************************************

* EOF

******************************************************************************/