xv6/mp.c File Reference

#include "types.h"
#include "defs.h"
#include "param.h"
#include "mp.h"
#include "x86.h"
#include "mmu.h"
#include "proc.h"

Go to the source code of this file.

Functions
int	mpbcpu (void)
static uchar	sum (uchar *addr, int len)
static struct mp *	mpsearch1 (uchar *addr, int len)
static struct mp *	mpsearch (void)
static struct mpconf *	mpconfig (struct mp **pmp)
void	mpinit (void)
Variables
struct cpu	cpus [NCPU]
static struct cpu *	bcpu
int	ismp
int	ncpu
uchar	ioapicid

---

Function Documentation

int mpbcpu

(

void

)

Definition at line 20 of file mp.c.

References cpus.

Referenced by mpmain().

static struct mpconf* mpconfig

(

struct mp **

pmp

)

[static, read]

Definition at line 79 of file mp.c.

References mpconf::length, memcmp(), mpsearch(), mp::physaddr, sum(), and mpconf::version.

Referenced by mpinit().

void mpinit

(

void

)

Definition at line 98 of file mp.c.

References mpproc::apicid, mpioapic::apicno, cprintf(), cpus, e, mpproc::flags, cpu::id, mp::imcrp, inb(), ioapicid, ismp, lapic, mpconf::lapicaddr, mpconf::length, MPBOOT, MPBUS, mpconfig(), MPIOAPIC, MPIOINTR, MPLINTR, MPPROC, ncpu, outb(), and panic().

Referenced by mpmain().

static struct mp* mpsearch

(

void

)

[static, read]

Definition at line 55 of file mp.c.

References mpsearch1().

Referenced by mpconfig().

static struct mp* mpsearch1	(	uchar *	addr,
		int	len
	)			[static, read]

Definition at line 38 of file mp.c.

References e, and sum().

Referenced by mpsearch().

static uchar sum	(	uchar *	addr,
		int	len
	)			[static]

Definition at line 26 of file mp.c.

Referenced by mpconfig(), and mpsearch1().

---

Variable Documentation

struct cpu* bcpu [static]

Definition at line 14 of file mp.c.

struct cpu cpus[NCPU]

Definition at line 13 of file mp.c.

Referenced by bootothers(), ksegment(), mpbcpu(), mpinit(), and mpmain().

uchar ioapicid

Definition at line 17 of file mp.c.

Referenced by ioapicinit(), and mpinit().

int ismp

Definition at line 15 of file mp.c.

Referenced by ioapicenable(), ioapicinit(), mpinit(), and mpmain().

int ncpu

Definition at line 16 of file mp.c.

Referenced by bootothers(), ideinit(), and mpinit().