[Crash-utility] [PATCH V4 7/9] RISCV64: Add 'help -m/M' command support

Add riscv64_dump_machdep_table() implementation, display machdep_table. crash> help -m flags: 80 () kvbase: ff60000000000000 identity_map_base: ff60000000000000 pagesize: 4096 pageshift: 12 pagemask: fffffffffffff000 pageoffset: fff pgdir_shift: 48 ptrs_per_pgd: 512 ptrs_per_pte: 512 stacksize: 16384 hz: 250 memsize: 1071644672 (0x3fe00000) bits: 64 back_trace: riscv64_back_trace_cmd() processor_speed: riscv64_processor_speed() uvtop: riscv64_uvtop() kvtop: riscv64_kvtop() get_stack_frame: riscv64_get_stack_frame() get_stackbase: generic_get_stackbase() get_stacktop: generic_get_stacktop() translate_pte: riscv64_translate_pte() memory_size: generic_memory_size() vmalloc_start: riscv64_vmalloc_start() is_task_addr: riscv64_is_task_addr() verify_symbol: riscv64_verify_symbol() dis_filter: generic_dis_filter() dump_irq: generic_dump_irq() show_interrupts: generic_show_interrupts() get_irq_affinity: generic_get_irq_affinity() cmd_mach: riscv64_cmd_mach() get_smp_cpus: riscv64_get_smp_cpus() is_kvaddr: riscv64_is_kvaddr() is_uvaddr: riscv64_is_uvaddr() verify_paddr: generic_verify_paddr() init_kernel_pgd: NULL value_to_symbol: generic_machdep_value_to_symbol() line_number_hooks: NULL last_pgd_read: ffffffff810e9000 last_p4d_read: 81410000 last_pud_read: 81411000 last_pmd_read: 81412000 last_ptbl_read: 81415000 pgd: 560d586f3ab0 p4d: 560d586f4ac0 pud: 560d586f5ad0 pmd: 560d586f6ae0 ptbl: 560d586f7af0 section_size_bits: 27 max_physmem_bits: 56 sections_per_root: 0 machspec: 560d57d204a0 Signed-off-by: Xianting Tian <xianting.tian(a)linux.alibaba.com&gt; --- riscv64.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 59 insertions(+), 1 deletion(-) diff --git a/riscv64.c b/riscv64.c index ddd801c..68eff5d 100644 --- a/riscv64.c +++ b/riscv64.c @@ -132,7 +132,65 @@ riscv64_verify_symbol(const char *name, ulong value, char type) void riscv64_dump_machdep_table(ulong arg) { - /* TODO: */ + 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: %ld\n", machdep->machspec->va_bits - 9); + fprintf(fp, " ptrs_per_pgd: %u\n", PTRS_PER_PGD); + fprintf(fp, " ptrs_per_pte: %d\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: riscv64_back_trace_cmd()\n"); + fprintf(fp, " processor_speed: riscv64_processor_speed()\n"); + fprintf(fp, " uvtop: riscv64_uvtop()\n"); + fprintf(fp, " kvtop: riscv64_kvtop()\n"); + fprintf(fp, " get_stack_frame: riscv64_get_stack_frame()\n"); + fprintf(fp, " get_stackbase: generic_get_stackbase()\n"); + fprintf(fp, " get_stacktop: generic_get_stacktop()\n"); + fprintf(fp, " translate_pte: riscv64_translate_pte()\n"); + fprintf(fp, " memory_size: generic_memory_size()\n"); + fprintf(fp, " vmalloc_start: riscv64_vmalloc_start()\n"); + fprintf(fp, " is_task_addr: riscv64_is_task_addr()\n"); + fprintf(fp, " verify_symbol: riscv64_verify_symbol()\n"); + fprintf(fp, " dis_filter: generic_dis_filter()\n"); + 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"); + fprintf(fp, " cmd_mach: riscv64_cmd_mach()\n"); + fprintf(fp, " get_smp_cpus: riscv64_get_smp_cpus()\n"); + fprintf(fp, " is_kvaddr: riscv64_is_kvaddr()\n"); + fprintf(fp, " is_uvaddr: riscv64_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_p4d_read: %lx\n", machdep->machspec->last_p4d_read); + fprintf(fp, " last_pud_read: %lx\n", machdep->last_pud_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, " p4d: %lx\n", (ulong)machdep->machspec->p4d); + fprintf(fp, " pud: %lx\n", (ulong)machdep->pud); + 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 ulong -- 2.17.1