xv6/trap.c File Reference

#include "types.h"
#include "defs.h"
#include "param.h"
#include "mmu.h"
#include "proc.h"
#include "x86.h"
#include "traps.h"
#include "spinlock.h"

Go to the source code of this file.

Functions
void	tvinit (void)
void	idtinit (void)
void	trap (struct trapframe *tf)
Variables
struct gatedesc	idt [256]
uint	vectors []
struct spinlock	tickslock
int	ticks

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Function Documentation

void idtinit

(

void

)

Definition at line 29 of file trap.c.

References idt, and lidt().

void trap

(

struct trapframe *

tf

)

Definition at line 35 of file trap.c.

References acquire(), cprintf(), trapframe::cs, DPL_USER, trapframe::eip, trapframe::err, exit(), ideintr(), IRQ_COM1, IRQ_IDE, IRQ_KBD, IRQ_SPURIOUS, IRQ_TIMER, kbdintr(), lapiceoi(), panic(), release(), RUNNING, syscall(), T_IRQ0, T_SYSCALL, ticks, tickslock, trapframe::trapno, uartintr(), wakeup(), and yield().

void tvinit

(

void

)

Definition at line 17 of file trap.c.

References DPL_USER, idt, initlock(), SEG_KCODE, SETGATE, T_SYSCALL, tickslock, and vectors.

Referenced by mpmain().

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Variable Documentation

struct gatedesc idt[256]

Definition at line 11 of file trap.c.

Referenced by idtinit(), and tvinit().

int ticks

Definition at line 14 of file trap.c.

Referenced by sys_sleep(), and trap().

struct spinlock tickslock

Definition at line 13 of file trap.c.

Referenced by sys_sleep(), trap(), and tvinit().

uint vectors[]

Referenced by tvinit().