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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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97026b5a5a
To reduce the complexity of flag_array, and allow the removal of default 0 value of non existing flags, lets have one flag_array table for each platform family with only the really existing flags. Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
83 lines
1.5 KiB
C
83 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* From split of dump_linuxpagetables.c
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* Copyright 2016, Rashmica Gupta, IBM Corp.
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*
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*/
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#include <linux/kernel.h>
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#include <asm/pgtable.h>
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#include "dump_linuxpagetables.h"
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static const struct flag_info flag_array[] = {
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{
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.mask = _PAGE_USER,
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.val = _PAGE_USER,
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.set = "user",
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.clear = " ",
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}, {
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.mask = _PAGE_RW,
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.val = _PAGE_RW,
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.set = "rw",
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.clear = "r ",
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}, {
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#ifndef CONFIG_PPC_BOOK3S_32
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.mask = _PAGE_EXEC,
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.val = _PAGE_EXEC,
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.set = " X ",
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.clear = " ",
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}, {
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#endif
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.mask = _PAGE_PRESENT,
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.val = _PAGE_PRESENT,
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.set = "present",
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.clear = " ",
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}, {
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.mask = _PAGE_GUARDED,
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.val = _PAGE_GUARDED,
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.set = "guarded",
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.clear = " ",
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}, {
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.mask = _PAGE_DIRTY,
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.val = _PAGE_DIRTY,
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.set = "dirty",
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.clear = " ",
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}, {
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.mask = _PAGE_ACCESSED,
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.val = _PAGE_ACCESSED,
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.set = "accessed",
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.clear = " ",
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}, {
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.mask = _PAGE_WRITETHRU,
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.val = _PAGE_WRITETHRU,
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.set = "write through",
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.clear = " ",
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}, {
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.mask = _PAGE_NO_CACHE,
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.val = _PAGE_NO_CACHE,
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.set = "no cache",
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.clear = " ",
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}, {
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.mask = _PAGE_SPECIAL,
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.val = _PAGE_SPECIAL,
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.set = "special",
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}
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};
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struct pgtable_level pg_level[5] = {
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{
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}, { /* pgd */
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.flag = flag_array,
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.num = ARRAY_SIZE(flag_array),
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}, { /* pud */
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.flag = flag_array,
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.num = ARRAY_SIZE(flag_array),
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}, { /* pmd */
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.flag = flag_array,
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.num = ARRAY_SIZE(flag_array),
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}, { /* pte */
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.flag = flag_array,
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.num = ARRAY_SIZE(flag_array),
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},
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};
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