zephyr/arch/riscv/core/prep_c.c

44 lines
839 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 z_cstart().
*
* Stack is available in this module, but not the global data/bss until their
* initialization is performed.
*/
#include <stddef.h>
#include <zephyr/toolchain.h>
#include <zephyr/kernel_structs.h>
#include <kernel_internal.h>
#if defined(CONFIG_RISCV_SOC_INTERRUPT_INIT)
void soc_interrupt_init(void);
#endif
/**
*
* @brief Prepare to and run C code
*
* This routine prepares for the execution of and runs C code.
*/
void z_prep_c(void)
{
z_bss_zero();
z_data_copy();
#if defined(CONFIG_RISCV_SOC_INTERRUPT_INIT)
soc_interrupt_init();
#endif
z_cstart();
CODE_UNREACHABLE;
}