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crash: print actual PTE in lookup mode

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Change-Id: Ie2c1b97780347d6172ef8961ed62258117cbf115
This commit is contained in:
Balazs Gerofi
2020-03-07 05:41:58 +09:00
committed by Masamichi Takagi
parent 5224551782
commit bb725f5f50
1 changed files with 10 additions and 6 deletions
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16
tools/crash/mckernel.c
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@ -1220,7 +1220,7 @@ ptl_shift(int level)
} }
static void static void
pte_print_(ulong pte, ulong virt, int level) pte_print_(ulong pte, ulong virt, int level, int lookup)
{ {
int others = 0; int others = 0;
int pgshift = level ? ptl_shift(level) : 0; int pgshift = level ? ptl_shift(level) : 0;
@ -1290,10 +1290,14 @@ pte_print_(ulong pte, ulong virt, int level)
fprintf(fp, "%016lx", pte); fprintf(fp, "%016lx", pte);
#endif #endif
fprintf(fp, ")\n"); fprintf(fp, ")\n");
if (lookup && pte) {
fprintf(fp, "PTE: %lx\n", pte);
}
} }
static void static void
pte_print(ulong pte, ulong virt, int level) pte_print(ulong pte, ulong virt, int level, int lookup)
{ {
static ulong prev_pte, prev_virt; static ulong prev_pte, prev_virt;
static int prev_pgshift, prev_level, skipped_pte; static int prev_pgshift, prev_level, skipped_pte;
@ -1313,14 +1317,14 @@ pte_print(ulong pte, ulong virt, int level)
if (skipped_pte > 1) if (skipped_pte > 1)
fprintf(fp, "...\n"); fprintf(fp, "...\n");
if (skipped_pte) if (skipped_pte)
pte_print_(prev_pte, prev_virt, prev_level); pte_print_(prev_pte, prev_virt, prev_level, lookup);
prev_pte = skipped_pte = 0; prev_pte = skipped_pte = 0;
} }
if (!pte) if (!pte)
return; return;
pte_print_(pte, virt, level); pte_print_(pte, virt, level, lookup);
prev_pte = pte; prev_pte = pte;
prev_virt = virt; prev_virt = virt;
prev_pgshift = pgshift; prev_pgshift = pgshift;
@ -1353,7 +1357,7 @@ pte_do_walk(ulong pt, ulong virt, int level, int lookup,
continue; continue;
if (pte_is_type_page(pte, level)) { if (pte_is_type_page(pte, level)) {
pte_print(pte, (virt | prefix) + pte_print(pte, (virt | prefix) +
(i << ptl_shift(level)), level); (i << ptl_shift(level)), level, lookup);
if (lookup) if (lookup)
return; return;
} else if (level > 1) { } else if (level > 1) {
@ -1375,7 +1379,7 @@ pte_walk(ulong pt, int lookup, ulong addr, ulong prefix)
{ {
fprintf(fp, "%-16s %-16s %s %s\n", "VIRT", "PHYS", "SIZE", "FLAGS"); fprintf(fp, "%-16s %-16s %s %s\n", "VIRT", "PHYS", "SIZE", "FLAGS");
pte_do_walk(pt, 0, PGTABLE_LEVELS, lookup, addr, prefix); pte_do_walk(pt, 0, PGTABLE_LEVELS, lookup, addr, prefix);
pte_print(0, 0, 0); // flush last one if any pte_print(0, 0, 0, lookup); // flush last one if any
} }
static void static void