exception.c File Reference

Functions which manage the Interrupt Service Routines (ISRs). More...

Macros
#define	__DEBUG_HEADER__   "[EXEPT ]"
	Change header.
#define	__DEBUG_LEVEL__   LOGLEVEL_NOTICE
	Set log level.

Functions
static void	default_isr_handler (pt_regs *f)
	Default handler for exceptions. More...
void	isr_handler (pt_regs *f)
	Interrupt Service Routines handler called from the assembly. More...
void	isrs_init (void)
	For each exceptions isrs_init sets a default handler which prints the rose exceptions and stops kernel execution.
int	isr_install_handler (unsigned i, interrupt_handler_t handler, char *description)
	Installs an ISR to handle an interrupt. More...
int	isr_uninstall_handler (unsigned i)
	Uninstall an ISR handler. More...

Variables
static const char *	exception_messages [32]
	Default error messages for exceptions.
static interrupt_handler_t	isr_routines [IDT_SIZE]
	Array of interrupt service routines for execptions and interrupts.
static char *	isr_routines_description [IDT_SIZE]
	Descriptions of routines.

Detailed Description

Functions which manage the Interrupt Service Routines (ISRs).

Copyright

(c) 2014-2024 This file is distributed under the MIT License. See LICENSE.md for details.

Function Documentation

default_isr_handler()

static void default_isr_handler ( pt_regs *  f )

inlinestatic

Default handler for exceptions.

Parameters

f	CPU registers when calling this function.

isr_handler()

void isr_handler

(

pt_regs *

f

)

Interrupt Service Routines handler called from the assembly.

Parameters

f	CPU registers when calling this function.