Currently, 'vtop' command does not include 'PAGE DIRECTORY' information for RISC-V-based vmcores. Since 'PAGE DIRECTORY' is used as the root page table, we need this information. Note that Arm64, Arm32 and x86 vmcore shows 'PAGE DIRECTORY' for 'vtop' command. (before) crash> vtop 0xffffffff80d8e1e0 VIRTUAL PHYSICAL ffffffff80d8e1e0 40f8e1e0 PGD: ffffffff81c4fff0 => 4fffe801 PMD: 000000013fffa000 => 00000000103800eb PTE: 40e00000 => b35030414c583 PAGE: 002cd40c10531000 PTE PHYSICAL FLAGS b35030414c583 2cd40c10531000 (PRESENT|READ|DIRTY|SOFT) (after) crash> vtop 0xffffffff80d8e1e0 VIRTUAL PHYSICAL ffffffff80d8e1e0 40f8e1e0 PAGE DIRECTORY: ffffffff81c4f000 PGD: ffffffff81c4fff0 => 4fffe801 PMD: 000000013fffa000 => 00000000103800eb PTE: 40e00000 => b35030414c583 PAGE: 002cd40c10531000 PTE PHYSICAL FLAGS b35030414c583 2cd40c10531000 (PRESENT|READ|DIRTY|SOFT) Signed-off-by: Austin Kim <austindh.kim(a)gmail.com&gt; --- riscv64.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/riscv64.c b/riscv64.c index 073ebb9..ef5c41d 100644 --- a/riscv64.c +++ b/riscv64.c @@ -634,6 +634,9 @@ riscv64_vtop_3level_4k(ulong *pgd, ulong vaddr, physaddr_t *paddr, int verbose) ulong pte_val, pte_pfn; ulong pt_phys; + if (verbose) + fprintf(fp, "PAGE DIRECTORY: %lx\n", (ulong)pgd); + /* PGD */ pgd_ptr = pgd + pgd_index_l3_4k(vaddr); FILL_PGD(pgd, KVADDR, PAGESIZE()); @@ -1213,6 +1216,9 @@ riscv64_vtop_4level_4k(ulong *pgd, ulong vaddr, physaddr_t *paddr, int verbose) ulong pte_val, pte_pfn; ulong pt_phys; + if (verbose) + fprintf(fp, "PAGE DIRECTORY: %lx\n", (ulong)pgd); + /* PGD */ pgd_ptr = pgd + pgd_index_l4_4k(vaddr); FILL_PGD(pgd, KVADDR, PAGESIZE()); @@ -1289,6 +1295,9 @@ riscv64_vtop_5level_4k(ulong *pgd, ulong vaddr, physaddr_t *paddr, int verbose) ulong pte_val, pte_pfn; ulong pt_phys; + if (verbose) + fprintf(fp, "PAGE DIRECTORY: %lx\n", (ulong)pgd); + /* PGD */ pgd_ptr = pgd + pgd_index_l5_4k(vaddr); FILL_PGD(pgd, KVADDR, PAGESIZE()); -- 2.34.1