main.c File Reference

SMP dual-core program to show how to use the RTE on two cores. This example runs the same code on both cores and triggers the timer and software interrupts to showcase dual-core trap handling using the NEORV32 runtime environment (RTE). More...

#include <neorv32.h>
#include "spinlock.h"

Macros
#define	BAUD_RATE   19200

Functions
void	trap_handler_mtmi (void)
void	trap_handler_mswi (void)
void	trap_handler_ecall (void)
int	app_main (void)
int	main (void)

Variables
volatile uint8_t	core1_stack [2048]

Detailed Description

SMP dual-core program to show how to use the RTE on two cores. This example runs the same code on both cores and triggers the timer and software interrupts to showcase dual-core trap handling using the NEORV32 runtime environment (RTE).

Macro Definition Documentation

BAUD_RATE

#define BAUD_RATE   19200

User configuration

Function Documentation

app_main()

int app_main

(

void

)

"Application code" executed by BOTH cores.

Returns

Irrelevant (but can be inspected by the debugger).

main()

int main

(

void

)

Main function for core 0 (primary core).

Warning

This program requires the dual-core configuration, the CLINT, UART0 and the A/Zaamo ISA extension.

Returns

Irrelevant (but can be inspected by the debugger).

trap_handler_ecall()

void trap_handler_ecall

(

void

)

Machine environment call trap handler for BOTH cores.

trap_handler_mswi()

void trap_handler_mswi

(

void

)

Machine software (CLINT) interrupt handler for BOTH cores.

trap_handler_mtmi()

void trap_handler_mtmi

(

void

)

Machine timer (CLINT) interrupt handler for BOTH cores.

Variable Documentation

core1_stack

volatile uint8_t core1_stack[2048]

Global variables