forked from mirrors/linux
e66c3209c7
This patch moves the files related to page table dump in a dedicated subdirectory. The purpose is to clean a bit arch/powerpc/mm by regrouping multiple files handling a dedicated function. Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> [mpe: Shorten the file names while we're at it] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
80 lines
1.5 KiB
C
80 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* From split of dump_linuxpagetables.c
|
|
* Copyright 2016, Rashmica Gupta, IBM Corp.
|
|
*
|
|
*/
|
|
#include <linux/kernel.h>
|
|
#include <asm/pgtable.h>
|
|
|
|
#include "ptdump.h"
|
|
|
|
static const struct flag_info flag_array[] = {
|
|
{
|
|
.mask = _PAGE_USER,
|
|
.val = _PAGE_USER,
|
|
.set = "user",
|
|
.clear = " ",
|
|
}, {
|
|
.mask = _PAGE_RW,
|
|
.val = _PAGE_RW,
|
|
.set = "rw",
|
|
.clear = "r ",
|
|
}, {
|
|
.mask = _PAGE_EXEC,
|
|
.val = _PAGE_EXEC,
|
|
.set = " X ",
|
|
.clear = " ",
|
|
}, {
|
|
.mask = _PAGE_PRESENT,
|
|
.val = _PAGE_PRESENT,
|
|
.set = "present",
|
|
.clear = " ",
|
|
}, {
|
|
.mask = _PAGE_GUARDED,
|
|
.val = _PAGE_GUARDED,
|
|
.set = "guarded",
|
|
.clear = " ",
|
|
}, {
|
|
.mask = _PAGE_DIRTY,
|
|
.val = _PAGE_DIRTY,
|
|
.set = "dirty",
|
|
.clear = " ",
|
|
}, {
|
|
.mask = _PAGE_ACCESSED,
|
|
.val = _PAGE_ACCESSED,
|
|
.set = "accessed",
|
|
.clear = " ",
|
|
}, {
|
|
.mask = _PAGE_WRITETHRU,
|
|
.val = _PAGE_WRITETHRU,
|
|
.set = "write through",
|
|
.clear = " ",
|
|
}, {
|
|
.mask = _PAGE_NO_CACHE,
|
|
.val = _PAGE_NO_CACHE,
|
|
.set = "no cache",
|
|
.clear = " ",
|
|
}, {
|
|
.mask = _PAGE_SPECIAL,
|
|
.val = _PAGE_SPECIAL,
|
|
.set = "special",
|
|
}
|
|
};
|
|
|
|
struct pgtable_level pg_level[5] = {
|
|
{
|
|
}, { /* pgd */
|
|
.flag = flag_array,
|
|
.num = ARRAY_SIZE(flag_array),
|
|
}, { /* pud */
|
|
.flag = flag_array,
|
|
.num = ARRAY_SIZE(flag_array),
|
|
}, { /* pmd */
|
|
.flag = flag_array,
|
|
.num = ARRAY_SIZE(flag_array),
|
|
}, { /* pte */
|
|
.flag = flag_array,
|
|
.num = ARRAY_SIZE(flag_array),
|
|
},
|
|
};
|