On 03/10/2021 09:24 AM, HAGIO KAZUHITO(萩尾 一仁) wrote:
 -----Original Message-----
> Add mips64_dump_machdep_table() implementation, display machdep_table.
>
> Signed-off-by: Huacai Chen <chenhuacai(a)loongson.cn>
> Signed-off-by: Youling Tang <tangyouling(a)loongson.cn>
> ---
>   mips64.c | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>   1 file changed, 61 insertions(+)
>
> diff --git a/mips64.c b/mips64.c
> index d8a5a0a..843983a 100644
> --- a/mips64.c
> +++ b/mips64.c
> @@ -1127,9 +1127,70 @@ mips64_is_task_addr(ulong task)
>   	return (IS_KVADDR(task) && ALIGNED_STACK_OFFSET(task) == 0);
>   }
>
> +/*
> + * "help -m/M" command output
> + */
>   void
>   mips64_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, "            nr_irqs: %d\n", machdep->nr_irqs);
 Is this set?
> +	fprintf(fp, "      eframe_search: mips64_eframe_search()\n");
 This is not found.
> +	fprintf(fp, "         back_trace: mips64_back_trace_cmd()\n");
> +	fprintf(fp, "    processor_speed: mips64_processor_speed()\n");
> +	fprintf(fp, "              uvtop: mips64_uvtop()\n");
> +	fprintf(fp, "              kvtop: mips64_kvtop()\n");
> +	fprintf(fp, "       get_task_pgd: mips64_get_task_pgd()\n");
 This is not found.
> +	fprintf(fp, "           dump_irq: generic_dump_irq()\n");
> +	fprintf(fp, "    show_interrupts: generic_show_interrupts()\n");
> +	fprintf(fp, "   get_irq_affinity: generic_get_irq_affinity()\n");
 Are these set?
 If they are set later, I would prefer to display when they are set
 to avoid misunderstanding. 
I will temporarily remove the above unset or not found.
The corresponding
additions will be made in the specific settings in the future.
Thanks,
Youling
 Thanks,
 Kazu
> +	fprintf(fp, "    get_stack_frame: mips64_get_stack_frame()\n");
> +	fprintf(fp, "      get_stackbase: generic_get_stackbase()\n");
> +	fprintf(fp, "       get_stacktop: generic_get_stacktop()\n");
> +	fprintf(fp, "      translate_pte: mips64_translate_pte()\n");
> +	fprintf(fp, "        memory_size: generic_memory_size()\n");
> +	fprintf(fp, "      vmalloc_start: mips64_vmalloc_start()\n");
> +	fprintf(fp, "       is_task_addr: mips64_is_task_addr()\n");
> +	fprintf(fp, "      verify_symbol: mips64_verify_symbol()\n");
> +	fprintf(fp, "         dis_filter: generic_dis_filter()\n");
> +	fprintf(fp, "           cmd_mach: mips64_cmd_mach()\n");
> +	fprintf(fp, "       get_smp_cpus: mips64_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
> --
> 2.1.0