[src/trunk]: src/sys/arch/aarch64/aarch64 add "machine cpuinfo/a" to show cpu...

[ryo <ryo%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/63031f4d6564
branches:  trunk
changeset: 454151:63031f4d6564
user:      ryo <ryo%NetBSD.org@localhost>
date:      Sat Sep 07 09:21:17 2019 +0000

description:
add "machine cpuinfo/a" to show cpuinfo[] of all cpus

diffstat:

 sys/arch/aarch64/aarch64/db_machdep.c |  42 ++++++++++++++++++++++++++++------
 1 files changed, 34 insertions(+), 8 deletions(-)

diffs (77 lines):

diff -r 313aabee42e5 -r 63031f4d6564 sys/arch/aarch64/aarch64/db_machdep.c
--- a/sys/arch/aarch64/aarch64/db_machdep.c     Fri Sep 06 21:09:11 2019 +0000
+++ b/sys/arch/aarch64/aarch64/db_machdep.c     Sat Sep 07 09:21:17 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: db_machdep.c,v 1.17 2019/08/11 15:52:55 skrll Exp $ */
+/* $NetBSD: db_machdep.c,v 1.18 2019/09/07 09:21:17 ryo Exp $ */
 
 /*-
  * Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: db_machdep.c,v 1.17 2019/08/11 15:52:55 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: db_machdep.c,v 1.18 2019/09/07 09:21:17 ryo Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_compat_netbsd32.h"
@@ -260,19 +260,17 @@
 }
 
 #if defined(_KERNEL)
-void
-db_md_cpuinfo_cmd(db_expr_t addr, bool have_addr, db_expr_t count,
-    const char *modif)
+static void
+show_cpuinfo(struct cpu_info *ci)
 {
-       struct cpu_info *ci, cpuinfobuf;
+       struct cpu_info cpuinfobuf;
        cpuid_t cpuid;
        int i;
 
-       ci = curcpu();
        db_read_bytes((db_addr_t)ci, sizeof(cpuinfobuf), (char *)&cpuinfobuf);
 
        cpuid = cpuinfobuf.ci_cpuid;
-       db_printf("cpu_info=%p\n", ci);
+       db_printf("cpu_info=%p, cpu_name=%s\n", ci, cpuinfobuf.ci_cpuname);
        db_printf("%p cpu[%lu].ci_cpuid        = %lu\n",
            &ci->ci_cpuid, cpuid, cpuinfobuf.ci_cpuid);
        db_printf("%p cpu[%lu].ci_curlwp       = %p\n",
@@ -296,6 +294,34 @@
 }
 
 void
+db_md_cpuinfo_cmd(db_expr_t addr, bool have_addr, db_expr_t count,
+    const char *modif)
+{
+#ifdef MULTIPROCESSOR
+       CPU_INFO_ITERATOR cii;
+       struct cpu_info *ci;
+       bool showall = false;
+
+       if (modif != NULL) {
+               for (; *modif != '\0'; modif++) {
+                       switch (*modif) {
+                       case 'a':
+                               showall = true;
+                               break;
+                       }
+               }
+       }
+
+       if (showall) {
+               for (CPU_INFO_FOREACH(cii, ci)) {
+                       show_cpuinfo(ci);
+               }
+       } else
+#endif /* MULTIPROCESSOR */
+               show_cpuinfo(curcpu());
+}
+
+void
 db_md_frame_cmd(db_expr_t addr, bool have_addr, db_expr_t count,
     const char *modif)
 {