Author: jhibbits
Date: Fri Mar 23 00:40:08 2018
New Revision: 331401
URL: https://svnweb.freebsd.org/changeset/base/331401
Log:
Debug interrupts aren't instruction traps
The EXC_DEBUG type is akin to the MPC74xx "Instruction Breakpoint" trap.
Don't treat it as a trap instruction.
Modified:
head/sys/powerpc/powerpc/trap.c
Modified: head/sys/powerpc/powerpc/trap.c
==============================================================================
--- head/sys/powerpc/powerpc/trap.c Fri Mar 23 00:20:42 2018
(r331400)
+++ head/sys/powerpc/powerpc/trap.c Fri Mar 23 00:40:08 2018
(r331401)
@@ -189,7 +189,7 @@ frame_is_trap_inst(struct trapframe *frame)
#ifdef AIM
return (frame->exc == EXC_PGM && frame->srr1 & EXC_PGM_TRAP);
#else
- return (frame->exc == EXC_DEBUG || frame->cpu.booke.esr & ESR_PTR);
+ return ((frame->cpu.booke.esr & ESR_PTR) != 0);
#endif
}
@@ -895,6 +895,7 @@ db_trap_glue(struct trapframe *frame)
&& (frame->exc == EXC_TRC || frame->exc == EXC_RUNMODETRC
|| frame_is_trap_inst(frame)
|| frame->exc == EXC_BPT
+ || frame->exc == EXC_DEBUG
|| frame->exc == EXC_DSI)) {
int type = frame->exc;
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