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| // SPDX-License-Identifier: GPL-2.0
| /*
| * From split of dump_linuxpagetables.c
| * Copyright 2016, Rashmica Gupta, IBM Corp.
| *
| */
| #include <linux/kernel.h>
| #include <linux/pgtable.h>
|
| #include "ptdump.h"
|
| static const struct flag_info flag_array[] = {
| {
| .mask = _PAGE_PRIVILEGED,
| .val = 0,
| .set = "user",
| .clear = " ",
| }, {
| .mask = _PAGE_READ,
| .val = _PAGE_READ,
| .set = "r",
| .clear = " ",
| }, {
| .mask = _PAGE_WRITE,
| .val = _PAGE_WRITE,
| .set = "w",
| .clear = " ",
| }, {
| .mask = _PAGE_EXEC,
| .val = _PAGE_EXEC,
| .set = " X ",
| .clear = " ",
| }, {
| .mask = _PAGE_PTE,
| .val = _PAGE_PTE,
| .set = "pte",
| .clear = " ",
| }, {
| .mask = _PAGE_PRESENT,
| .val = _PAGE_PRESENT,
| .set = "valid",
| .clear = " ",
| }, {
| .mask = _PAGE_PRESENT | _PAGE_INVALID,
| .val = 0,
| .set = " ",
| .clear = "present",
| }, {
| .mask = H_PAGE_HASHPTE,
| .val = H_PAGE_HASHPTE,
| .set = "hpte",
| .clear = " ",
| }, {
| .mask = _PAGE_DIRTY,
| .val = _PAGE_DIRTY,
| .set = "dirty",
| .clear = " ",
| }, {
| .mask = _PAGE_ACCESSED,
| .val = _PAGE_ACCESSED,
| .set = "accessed",
| .clear = " ",
| }, {
| .mask = _PAGE_NON_IDEMPOTENT,
| .val = _PAGE_NON_IDEMPOTENT,
| .set = "non-idempotent",
| .clear = " ",
| }, {
| .mask = _PAGE_TOLERANT,
| .val = _PAGE_TOLERANT,
| .set = "tolerant",
| .clear = " ",
| }, {
| .mask = H_PAGE_BUSY,
| .val = H_PAGE_BUSY,
| .set = "busy",
| }, {
| #ifdef CONFIG_PPC_64K_PAGES
| .mask = H_PAGE_COMBO,
| .val = H_PAGE_COMBO,
| .set = "combo",
| }, {
| .mask = H_PAGE_4K_PFN,
| .val = H_PAGE_4K_PFN,
| .set = "4K_pfn",
| }, {
| #else /* CONFIG_PPC_64K_PAGES */
| .mask = H_PAGE_F_GIX,
| .val = H_PAGE_F_GIX,
| .set = "f_gix",
| .is_val = true,
| .shift = H_PAGE_F_GIX_SHIFT,
| }, {
| .mask = H_PAGE_F_SECOND,
| .val = H_PAGE_F_SECOND,
| .set = "f_second",
| }, {
| #endif /* CONFIG_PPC_64K_PAGES */
| .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),
| },
| };
|
|
