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Fix arm64 buildkernel target with "nooptions KDB"

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Make kdb_trap in breakpoint exception handler conditional. If "options KDB"
is not present just panic with message that debugger is not enabled.

PR:		224653
This commit is contained in:
Oleksandr Tymoshenko 2018-04-04 01:13:28 +00:00
parent c58ed0b07f
commit de14bffe33
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=331967
1 changed files with 4 additions and 0 deletions
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4
sys/arm64/arm64/trap.c
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@ -323,8 +323,12 @@ do_el1h_sync(struct thread *td, struct trapframe *frame)
break;
}
#endif
#ifdef KDB
kdb_trap(exception, 0,
(td->td_frame != NULL) ? td->td_frame : frame);
#else
panic("No debugger in kernel.\n");
#endif
frame->tf_elr += 4;
break;
case EXCP_WATCHPT_EL1: