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[src/trunk]: src/sys/arch/powerpc/powerpc db_stack_trace_print():



details:   https://anonhg.NetBSD.org/src/rev/ee1b934e945e
branches:  trunk
changeset: 973618:ee1b934e945e
user:      rin <rin%NetBSD.org@localhost>
date:      Mon Jul 06 08:30:10 2020 +0000

description:
db_stack_trace_print():
For ibm4xx, show fault address in dear register also for EXC_DTMISS.

diffstat:

 sys/arch/powerpc/powerpc/db_trace.c |  17 ++++++++++++-----
 1 files changed, 12 insertions(+), 5 deletions(-)

diffs (52 lines):

diff -r 04a1d09b4c02 -r ee1b934e945e sys/arch/powerpc/powerpc/db_trace.c
--- a/sys/arch/powerpc/powerpc/db_trace.c       Mon Jul 06 08:26:10 2020 +0000
+++ b/sys/arch/powerpc/powerpc/db_trace.c       Mon Jul 06 08:30:10 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: db_trace.c,v 1.58 2018/02/28 20:11:09 mrg Exp $        */
+/*     $NetBSD: db_trace.c,v 1.59 2020/07/06 08:30:10 rin Exp $        */
 /*     $OpenBSD: db_trace.c,v 1.3 1997/03/21 02:10:48 niklas Exp $     */
 
 /*
@@ -28,7 +28,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: db_trace.c,v 1.58 2018/02/28 20:11:09 mrg Exp $");
+__KERNEL_RCSID(0, "$NetBSD: db_trace.c,v 1.59 2020/07/06 08:30:10 rin Exp $");
 
 #include "opt_ppcarch.h"
 
@@ -213,7 +213,9 @@
                                    tf->tf_dar);
 #endif
 #ifdef PPC_IBM4XX
-                               (*pr)("DSI %s trap @ %#x by ",
+                               trapstr = "DSI";
+dsi:
+                               (*pr)("%s %s trap @ %#x by ", trapstr,
                                    tf->tf_esr & ESR_DST ? "write" : "read",
                                    tf->tf_dear);
 #endif
@@ -241,7 +243,11 @@
                        case EXC_PERF: trapstr = "PERF"; break;
                        case EXC_SMI: trapstr = "SMI"; break;
                        case EXC_RST: trapstr = "RST"; break;
-                       case EXC_DTMISS: trapstr = "DTMISS"; break;
+                       case EXC_DTMISS: trapstr = "DTMISS";
+#ifdef PPC_IBM4XX
+                               goto dsi;
+#endif
+                               break;
                        case EXC_ITMISS: trapstr = "ITMISS"; break;
                        case EXC_FIT: trapstr = "FIT"; break;
                        case EXC_PIT: trapstr = "PIT"; break;
@@ -278,7 +284,8 @@
 #endif /* PPC_OEA601 */
 #endif /* PPC_OEA */
 #ifdef PPC_IBM4XX
-                       if (tf->tf_exc == EXC_DSI)
+                       if (tf->tf_exc == EXC_DSI ||
+                           tf->tf_exc == EXC_DTMISS)
                                (*pr)(" dear=%#x", tf->tf_dear);
                        (*pr)(" esr=%#x pid=%#x", tf->tf_esr, tf->tf_pid);
 #endif



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