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39 lines
1020 B
39 lines
1020 B
#include <defs.h>
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#include <stdio.h>
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#include <string.h>
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#include <console.h>
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#include <kdebug.h>
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#include <picirq.h>
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#include <trap.h>
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#include <clock.h>
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#include <intr.h>
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#include <pmm.h>
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#include <proc.h>
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#include <kmonitor.h>
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int kern_init(void) __attribute__((noreturn));
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void grade_backtrace(void);
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int
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kern_init(void) {
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extern char edata[], end[];
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memset(edata, 0, end - edata);
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cons_init(); // init the console
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const char *message = "(THU.CST) os is loading ...";
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cprintf("%s\n\n", message);
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print_kerninfo();
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pmm_init(); // init physical memory management
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pic_init(); // init interrupt controller
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idt_init(); // init interrupt descriptor table
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proc_init(); // init process table
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clock_init(); // init clock interrupt
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intr_enable(); // enable irq interrupt
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schedule(); //let init proc run
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while (do_wait(1, NULL) == 0) {
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schedule();
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}
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}
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