zephyr/arch/riscv32/core/prep_c.c

41 lines
703 B
C

/*
* Copyright (c) 2016 Jean-Paul Etienne <fractalclone@gmail.com>
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file
* @brief Full C support initialization
*
*
* Initialization of full C support: zero the .bss and call _Cstart().
*
* Stack is available in this module, but not the global data/bss until their
* initialization is performed.
*/
#include <stddef.h>
#include <toolchain.h>
#include <kernel_structs.h>
#include <kernel_internal.h>
/**
*
* @brief Prepare to and run C code
*
* This routine prepares for the execution of and runs C code.
*
* @return N/A
*/
void _PrepC(void)
{
_bss_zero();
#ifdef CONFIG_XIP
_data_copy();
#endif
_Cstart();
CODE_UNREACHABLE;
}