| // 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_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), |
| }, |
| }; |