ardix/init/main.c

81 lines
1.7 KiB
C

/* See the end of this file for copyright, license, and warranty information. */
#include <arch/hardware.h>
#include <ardix/io.h>
#include <ardix/kent.h>
#include <ardix/kevent.h>
#include <ardix/sched.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <unistd.h>
#define REG_PIOB_PER (*(uint32_t *)0x400E1000U)
#define REG_PIOB_PDR (*(uint32_t *)0x400E1004U)
#define REG_PIOB_OER (*(uint32_t *)0x400E1010U)
#define REG_PIOB_ODR (*(uint32_t *)0x400E1014U)
#define REG_PIOB_SODR (*(uint32_t *)0x400E1030U)
#define REG_PIOB_CODR (*(uint32_t *)0x400E1034U)
/**
* Core init routine.
*
* This is invoked from the startup code (usually) located in
* arch/<architecture>/startup.c.
*/
int main(void)
{
volatile unsigned int print_count = 0;
int err = kent_root_init();
if (err != 0)
return err;
kevents_init();
err = sched_init();
if (err != 0)
return err;
err = devices_init();
if (err != 0)
return err;
err = io_init();
if (err != 0)
return err;
/* we should have a serial console now */
REG_PIOB_OER = 1 << 27;
REG_PIOB_PER = 1 << 27;
REG_PIOB_CODR = 1 << 27;
while (true) {
printf("hello, world (%u)\n", print_count);
sleep(1000);
print_count++;
if (print_count % 2)
REG_PIOB_CODR = 1 << 27;
else
REG_PIOB_SODR = 1 << 27;
}
}
/*
* This file is part of Ardix.
* Copyright (c) 2020, 2021 Felix Kopp <owo@fef.moe>.
*
* Ardix is non-violent software: you may only use, redistribute,
* and/or modify it under the terms of the CNPLv6+ as found in
* the LICENSE file in the source code root directory or at
* <https://git.pixie.town/thufie/CNPL>.
*
* Ardix comes with ABSOLUTELY NO WARRANTY, to the extent
* permitted by applicable law. See the CNPLv6+ for details.
*/