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Add DTrace support for Book-E PowerPC.

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Book-E got DTrace support for free with r281096&related.  This adds the bits to
the db_trap_glue() to support FBT.

Relnotes:	Yes
This commit is contained in:
jhibbits 2015-04-08 04:35:26 +00:00
parent 83c21d548a
commit dbea318b90
1 changed files with 8 additions and 0 deletions
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8
sys/powerpc/powerpc/trap.c
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@ -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));