vm.c File Reference

#include "param.h"
#include "types.h"
#include "defs.h"
#include "x86.h"
#include "memlayout.h"
#include "mmu.h"
#include "proc.h"
#include "elf.h"

Go to the source code of this file.

Data Structures
struct	kmap

Functions
void	seginit (void)
pde_t *	setupkvm (void)
void	kvmalloc (void)
void	switchkvm (void)
void	switchuvm (struct proc *p)
void	inituvm (pde_t *pgdir, char *init, uint sz)
int	loaduvm (pde_t *pgdir, char *addr, struct inode *ip, uint offset, uint sz)
int	allocuvm (pde_t *pgdir, uint oldsz, uint newsz)
int	deallocuvm (pde_t *pgdir, uint oldsz, uint newsz)
void	freevm (pde_t *pgdir)
void	clearpteu (pde_t *pgdir, char *uva)
pde_t *	copyuvm (pde_t *pgdir, uint sz)
char *	uva2ka (pde_t *pgdir, char *uva)
int	copyout (pde_t *pgdir, uint va, void *p, uint len)

Variables
char	data []
pde_t *	kpgdir
struct segdesc	gdt [NSEGS]

Function Documentation

int allocuvm	(	pde_t *	pgdir,
		uint	oldsz,
		uint	newsz
	)

Definition at line 221 of file vm.c.

void clearpteu	(	pde_t *	pgdir,
		char *	uva
	)

Definition at line 297 of file vm.c.

int copyout	(	pde_t *	pgdir,
		uint	va,
		void *	p,
		uint	len
	)

Definition at line 358 of file vm.c.

pde_t* copyuvm	(	pde_t *	pgdir,
		uint	sz
	)

Definition at line 310 of file vm.c.

int deallocuvm	(	pde_t *	pgdir,
		uint	oldsz,
		uint	newsz
	)

Definition at line 250 of file vm.c.

void freevm

(

pde_t *

pgdir)

Definition at line 278 of file vm.c.

void inituvm	(	pde_t *	pgdir,
		char *	init,
		uint	sz
	)

Definition at line 182 of file vm.c.

void kvmalloc

(

void

)

Definition at line 149 of file vm.c.

int loaduvm	(	pde_t *	pgdir,
		char *	addr,
		struct inode *	ip,
		uint	offset,
		uint	sz
	)

Definition at line 197 of file vm.c.

void seginit

(

void

)

Definition at line 17 of file vm.c.

pde_t* setupkvm

(

void

)

Definition at line 129 of file vm.c.

void switchkvm

(

void

)

Definition at line 158 of file vm.c.

void switchuvm

(

struct proc *

p)

Definition at line 165 of file vm.c.

char* uva2ka	(	pde_t *	pgdir,
		char *	uva
	)

Definition at line 342 of file vm.c.

Variable Documentation

char data[]

struct segdesc gdt[NSEGS]

Definition at line 12 of file vm.c.

pde_t* kpgdir

Definition at line 11 of file vm.c.