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LoongArch64: Add 'help -m/M' command support 

Add loongarch64_dump_machdep_table() implementation,
display machdep_table.

E.g. With this patch:
crash> help -m
              flags: 1 (KSYMS_START)
             kvbase: 8000000000000000
  identity_map_base: 8000000000000000
           pagesize: 16384
          pageshift: 14
           pagemask: ffffffffffffc000
         pageoffset: 3fff
        pgdir_shift: 36
       ptrs_per_pgd: 2048
       ptrs_per_pte: 2048
          stacksize: 16384
                 hz: 250
            memsize: 68689920000 (0xffe3d0000)
               bits: 64
         back_trace: loongarch64_back_trace_cmd()
    processor_speed: loongarch64_processor_speed()
...

Co-developed-by: Youling Tang <tangyouling@loongson.cn>
Signed-off-by: Youling Tang <tangyouling@loongson.cn>
Signed-off-by: Ming Wang <wangming01@loongson.cn>
This commit is contained in:
Ming Wang 2023-12-28 19:46:30 +08:00 committed by Kazuhito Hagio
parent 87f031ada9
commit ab4c69f992
1 changed files with 55 additions and 0 deletions
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55
loongarch64.c
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@ -1118,9 +1118,64 @@ loongarch64_is_task_addr(ulong task)
return (IS_KVADDR(task) && ALIGNED_STACK_OFFSET(task) == 0);
}
/*
* 'help -m/M' command output
*/
void
loongarch64_dump_machdep_table(ulong arg)
{
int others = 0;
fprintf(fp, " flags: %lx (", machdep->flags);
if (machdep->flags & KSYMS_START)
fprintf(fp, "%sKSYMS_START", others++ ? "|" : "");
fprintf(fp, ")\n");
fprintf(fp, " kvbase: %lx\n", machdep->kvbase);
fprintf(fp, " identity_map_base: %lx\n", machdep->identity_map_base);
fprintf(fp, " pagesize: %d\n", machdep->pagesize);
fprintf(fp, " pageshift: %d\n", machdep->pageshift);
fprintf(fp, " pagemask: %llx\n", machdep->pagemask);
fprintf(fp, " pageoffset: %lx\n", machdep->pageoffset);
fprintf(fp, " pgdir_shift: %d\n", PGDIR_SHIFT);
fprintf(fp, " ptrs_per_pgd: %lu\n", PTRS_PER_PGD);
fprintf(fp, " ptrs_per_pte: %ld\n", PTRS_PER_PTE);
fprintf(fp, " stacksize: %ld\n", machdep->stacksize);
fprintf(fp, " hz: %d\n", machdep->hz);
fprintf(fp, " memsize: %ld (0x%lx)\n",
machdep->memsize, machdep->memsize);
fprintf(fp, " bits: %d\n", machdep->bits);
fprintf(fp, " back_trace: loongarch64_back_trace_cmd()\n");
fprintf(fp, " processor_speed: loongarch64_processor_speed()\n");
fprintf(fp, " uvtop: loongarch64_uvtop()\n");
fprintf(fp, " kvtop: loongarch64_kvtop()\n");
fprintf(fp, " get_stack_frame: loongarch64_get_stack_frame()\n");
fprintf(fp, " get_stackbase: generic_get_stackbase()\n");
fprintf(fp, " get_stacktop: generic_get_stacktop()\n");
fprintf(fp, " translate_pte: loongarch64_translate_pte()\n");
fprintf(fp, " memory_size: generic_memory_size()\n");
fprintf(fp, " vmalloc_start: loongarch64_vmalloc_start()\n");
fprintf(fp, " is_task_addr: loongarch64_is_task_addr()\n");
fprintf(fp, " verify_symbol: loongarch64_verify_symbol()\n");
fprintf(fp, " dis_filter: generic_dis_filter()\n");
fprintf(fp, " cmd_mach: loongarch64_cmd_mach()\n");
fprintf(fp, " get_smp_cpus: loongarch64_get_smp_cpus()\n");
fprintf(fp, " is_kvaddr: generic_is_kvaddr()\n");
fprintf(fp, " is_uvaddr: generic_is_uvaddr()\n");
fprintf(fp, " verify_paddr: generic_verify_paddr()\n");
fprintf(fp, " init_kernel_pgd: NULL\n");
fprintf(fp, " value_to_symbol: generic_machdep_value_to_symbol()\n");
fprintf(fp, " line_number_hooks: NULL\n");
fprintf(fp, " last_pgd_read: %lx\n", machdep->last_pgd_read);
fprintf(fp, " last_pmd_read: %lx\n", machdep->last_pmd_read);
fprintf(fp, " last_ptbl_read: %lx\n", machdep->last_ptbl_read);
fprintf(fp, " pgd: %lx\n", (ulong)machdep->pgd);
fprintf(fp, " pmd: %lx\n", (ulong)machdep->pmd);
fprintf(fp, " ptbl: %lx\n", (ulong)machdep->ptbl);
fprintf(fp, " section_size_bits: %ld\n", machdep->section_size_bits);
fprintf(fp, " max_physmem_bits: %ld\n", machdep->max_physmem_bits);
fprintf(fp, " sections_per_root: %ld\n", machdep->sections_per_root);
fprintf(fp, " machspec: %lx\n", (ulong)machdep->machspec);
}
static void