LoongArch64: Add 'irq' command support

Added support for the 'irq' series of commands in the LoongArch64
architecture, except for the 'irq -d' command, others can be used.

The result of using the 'irq' command without this patch is as follows:
crash> irq
 IRQ   IRQ_DESC/_DATA      IRQACTION      NAME
 ...
 16   9000000090423c00  9000000000f4c500
 17   9000000090423e00  9000000000f4c500
 18   9000000090495c00  9000000000f4c500
 19   9000000090494a00  9000000000f4c500
 20   9000000090496400  9000000090418480  "IPI"
 21   9000000090496200  9000000090418500  "timer"
 22   9000000090cb2600  9000000090d9c780  "acpi"
 23   9000000090cb3c00      (unused)
 24   9000000090cb1800      (unused)
 25   9000000090cb0800  900000009117f580  "loongson_i2c"
                        900000009117ee80  "loongson_i2c"
                        900000009117cc00  "loongson_i2c"
                        900000009117e800  "loongson_i2c"
                        900000009117c780  "loongson_i2c"
                        900000009117df00  "loongson_i2c"
...

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 19:46:32 +08:00 committed by Kazuhito Hagio
parent be214379cd
commit 0f34aa46ca
1 changed files with 15 additions and 0 deletions

View File

@ -1158,6 +1158,9 @@ loongarch64_dump_machdep_table(ulong arg)
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, " 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: loongarch64_cmd_mach()\n");
fprintf(fp, " get_smp_cpus: loongarch64_get_smp_cpus()\n");
fprintf(fp, " is_kvaddr: generic_is_kvaddr()\n");
@ -1240,6 +1243,9 @@ loongarch64_init(int when)
machdep->is_task_addr = loongarch64_is_task_addr;
machdep->get_smp_cpus = loongarch64_get_smp_cpus;
machdep->dis_filter = generic_dis_filter;
machdep->dump_irq = generic_dump_irq;
machdep->show_interrupts = generic_show_interrupts;
machdep->get_irq_affinity = generic_get_irq_affinity;
machdep->value_to_symbol = generic_machdep_value_to_symbol;
machdep->init_kernel_pgd = NULL;
break;
@ -1247,7 +1253,16 @@ loongarch64_init(int when)
case POST_GDB:
machdep->section_size_bits = _SECTION_SIZE_BITS;
machdep->max_physmem_bits = _MAX_PHYSMEM_BITS;
if (symbol_exists("irq_desc"))
ARRAY_LENGTH_INIT(machdep->nr_irqs, irq_desc,
"irq_desc", NULL, 0);
else if (kernel_symbol_exists("nr_irqs"))
get_symbol_data("nr_irqs", sizeof(unsigned int),
&machdep->nr_irqs);
loongarch64_stackframe_init();
if (!machdep->hz)
machdep->hz = 250;
break;