Files
mango/init/main.c

114 lines
2.5 KiB
C

#include <kernel/arg.h>
#include <kernel/bsp.h>
#include <kernel/channel.h>
#include <kernel/clock.h>
#include <kernel/cpu.h>
#include <kernel/handle.h>
#include <kernel/init.h>
#include <kernel/input.h>
#include <kernel/libc/stdio.h>
#include <kernel/machine/init.h>
#include <kernel/object.h>
#include <kernel/panic.h>
#include <kernel/port.h>
#include <kernel/printk.h>
#include <kernel/sched.h>
#include <kernel/test.h>
#include <kernel/vm-object.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) {
#if 0
printk("[cpu %u, task %u, thread %u]: tick",
this_cpu(),
self->t_id,
thread->tr_id);
#endif
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);
struct boot_module bsp_image = {0};
bsp_get_location(&bsp_image);
tracek("kernel_init() running on processor %u", this_cpu());
if (!bsp_image.mod_base) {
printk("FATAL: no bsp image specified");
hang();
}
tracek("bsp image at [0x%llx-0x%llx]",
bsp_image.mod_base,
bsp_image.mod_base + bsp_image.mod_size);
struct bsp bsp;
kern_status_t status = bsp_load(&bsp, &bsp_image);
if (status != KERN_OK) {
printk("FATAL: bsp image is corrupt/invalid");
hang();
}
tracek("bsp image loaded. text=[%06llx-%06llx], data=[%06llx-%06llx], "
"entry=%06llx, vmo=%p",
bsp.bsp_trailer.bsp_text_vaddr,
bsp.bsp_trailer.bsp_text_size + bsp.bsp_trailer.bsp_text_vaddr,
bsp.bsp_trailer.bsp_data_vaddr,
bsp.bsp_trailer.bsp_data_size + bsp.bsp_trailer.bsp_data_vaddr,
bsp.bsp_trailer.bsp_exec_entry,
bsp.bsp_vmo);
struct task *bootstrap_task = task_create("bootstrap", 9);
tracek("created bootstrap task (pid=%u)", bootstrap_task->t_id);
bsp_launch_async(&bsp, bootstrap_task);
hang();
}