main.c File Reference

x86-specific tests for MMU features and page tables More...

#include <zephyr/kernel.h>
#include <zephyr/ztest.h>
#include <zephyr/tc_util.h>
#include <zephyr/arch/x86/mmustructs.h>
#include <x86_mmu.h>
#include <zephyr/linker/linker-defs.h>
#include <mmu.h>
#include "main.h"
#include <zephyr/sys/libc-hooks.h>
#include <zephyr/syscalls/dump_my_ptables_mrsh.c>

Macros
#define	PT_LEVEL   1
#define	FLAGS_MASK
#define	LPTR(name, suffix)
#define	LSIZE(name, suffix)
#define	IN_REGION(name, virt)

Functions
static pentry_t	get_entry (pentry_t *flags, void *addr)
void	test_ram_perms (void)
	Test that MMU flags on RAM virtual address range are set properly.
void	test_null_map (void)
	Test that the NULL virtual page is always non-present.
void	dump_pagetables (void)
void	test_dump_ptables_user (void)
	Dump kernel's page tables to console.
void	test_dump_ptables (void)
	ZTEST_SUITE (x86_pagetables, NULL, NULL, NULL, NULL, NULL)

Detailed Description

x86-specific tests for MMU features and page tables

Macro Definition Documentation

FLAGS_MASK

#define FLAGS_MASK

Value:

                         (MMU_P | MMU_RW | MMU_US | MMU_PWT | MMU_PCD | \
                         MMU_G | MMU_PS | MMU_XD)

IN_REGION

#define IN_REGION	(		name,
			virt )

Value:

        (virt >= LPTR(name, _start) && \
         virt < (LPTR(name, _start) + LSIZE(name, _size)))

LPTR

#define LPTR	(		name,
			suffix )

Value:

((uint8_t *)&_CONCAT(name, suffix))

LSIZE

#define LSIZE	(		name,
			suffix )

Value:

((size_t)&_CONCAT(name, suffix))

PT_LEVEL

#define PT_LEVEL   1

Function Documentation

dump_pagetables()

void dump_pagetables

(

void

)

get_entry()

static pentry_t get_entry ( pentry_t * flags, void * addr )

static

test_dump_ptables()

void test_dump_ptables

(

void

)

ZTEST_SUITE()

ZTEST_SUITE	(	x86_pagetables	,
		NULL	,
		NULL	,
		NULL	,
		NULL	,
		NULL	)