mango/init/main.c

#include <mango/arg.h>
#include <mango/clock.h>
#include <mango/cpu.h>
#include <mango/init.h>
#include <mango/input.h>
#include <mango/libc/stdio.h>
#include <mango/machine/init.h>
#include <mango/object.h>
#include <mango/panic.h>
#include <mango/printk.h>
#include <mango/sched.h>
#include <mango/test.h>
#include <stdint.h>

extern unsigned long get_rflags(void);

extern char __pstart[], __pend[];

void print_kernel_banner(void)
{
	printk("Mango kernel version " BUILD_ID);
}

static void hang(void)
{
	struct task *self = current_task();
	struct thread *thread = current_thread();

	while (1) {
		printk("[cpu %u, task %u, thread %u]: tick",
		       this_cpu(),
		       self->t_id,
		       thread->tr_id);
		milli_sleep(2000);
	}
}

void background_thread(void)
{
	struct task *self = current_task();
	struct thread *thread = current_thread();
	printk("background_thread() running on processor %u", this_cpu());
	milli_sleep(1000);

	while (1) {
		printk("[cpu %u, task %u, thread %u]: tock",
		       this_cpu(),
		       self->t_id,
		       thread->tr_id);
		milli_sleep(2000);
	}
}

static void putchar(char c)
{
	unsigned long flags;
	struct queue *consoles = get_consoles(&flags);
	queue_foreach(struct console, con, consoles, c_list)
	{
		console_write(con, &c, 1);
	}

	put_consoles(consoles, flags);
}

void kernel_init(uintptr_t arg)
{
	ml_init(arg);

	printk("kernel_init() running on processor %u", this_cpu());

	create_kernel_thread(background_thread);

	hang();
}