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kernel.c File Reference

Generic routines for kernel. More...

#include <const.h>
#include <arch/i386.h>
#include <kernel/clock.h>
#include <kernel/console.h>
#include <kernel/keyboard.h>
#include <kernel/speaker.h>
#include <kernel/task.h>
#include <kernel/kernel.h>

Go to the source code of this file.

Functions
void	error (const byte *msg)
	Report a critical error to the console. Parameters: msg  The message you want to display. Warning: If this routine is invoked by a task it will be killed. PANIC: if this routine is invoked by the kernel the system will be halted!!!
void	reboot ()
	Reboot the system using the keyboard CPU reset line. Warning: If it cannot reboot, the system will be halted.

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Detailed Description

Generic routines for kernel.

Author:

Andrea Righi <drizzt@inwind.it>

Date:

Last update: 2003-08-23

Note:

Copyright (©) 2003 Andrea Righi

Definition in file kernel.c.

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Function Documentation

void error (  const byte *    msg )

Report a critical error to the console. Parameters: msg  The message you want to display. Warning: If this routine is invoked by a task it will be killed. PANIC: if this routine is invoked by the kernel the system will be halted!!! Definition at line 27 of file kernel.c. { disable(); beep(); set_color(LIGHT_RED); kprintf("\n\rERROR: %s", msg); set_color(DEFAULT_COLOR); kprintf("\n\rTask [%s] (%i) killed!", get_pname(), get_pid()); sched_leave_critical_region(); // If the kernel has generated this error HALT the system! // if (get_pid()) auto_kill( 1 ); else halt(); }

void reboot (    )

Reboot the system using the keyboard CPU reset line. Warning: If it cannot reboot, the system will be halted. Definition at line 48 of file kernel.c. { // Disable all interrupts // disable(); beep(); set_color(DEFAULT_COLOR); kprintf("\n\r"); // Reset system clock // kprintf("Reset system clock..."); stop_clock(); set_color(GREEN); kprintf("\n [ OK ]\n\r"); set_color(DEFAULT_COLOR); kprintf("\n\rRebooting system..."); // Pulse the CPU reset line // keyb_wait(); outportb(0x64, 0xFE); // If doesn't reboot => halt the system! // halt(); }

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