Author: jhibbits
Date: Wed Apr 8 04:35:26 2015
New Revision: 281261
URL: https://svnweb.freebsd.org/changeset/base/281261
Log:
Add DTrace support for Book-E PowerPC.
Book-E got DTrace support for free with r281096&related. This adds the bits
to
the db_trap_glue() to support FBT.
Relnotes: Yes
Modified:
head/sys/powerpc/powerpc/trap.c
Modified: head/sys/powerpc/powerpc/trap.c
==============================================================================
--- head/sys/powerpc/powerpc/trap.c Wed Apr 8 04:01:02 2015
(r281260)
+++ head/sys/powerpc/powerpc/trap.c Wed Apr 8 04:35:26 2015
(r281261)
@@ -796,8 +796,12 @@ db_trap_glue(struct trapframe *frame)
{
if (!(frame->srr1 & PSL_PR)
&& (frame->exc == EXC_TRC || frame->exc == EXC_RUNMODETRC
+#ifdef AIM
|| (frame->exc == EXC_PGM
&& (frame->srr1 & 0x20000))
+#else
+ || (frame->exc == EXC_DEBUG)
+#endif
|| frame->exc == EXC_BPT
|| frame->exc == EXC_DSI)) {
int type = frame->exc;
@@ -805,7 +809,11 @@ db_trap_glue(struct trapframe *frame)
/* Ignore DTrace traps. */
if (*(uint32_t *)frame->srr0 == EXC_DTRACE)
return (0);
+#ifdef AIM
if (type == EXC_PGM && (frame->srr1 & 0x20000)) {
+#else
+ if (frame->cpu.booke.esr & ESR_PTR) {
+#endif
type = T_BREAKPOINT;
}
return (kdb_trap(type, 0, frame));
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