Date: Tue, 8 Mar 2022 11:59:41 GMT From: Andrew Turner <andrew@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: e793a55a74eb - main - Print the instruction for the unknown exception Message-ID: <202203081159.228BxfuS004175@gitrepo.freebsd.org>
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The branch main has been updated by andrew: URL: https://cgit.FreeBSD.org/src/commit/?id=e793a55a74eb34ae3225d620a9619554667efb30 commit e793a55a74eb34ae3225d620a9619554667efb30 Author: Andrew Turner <andrew@FreeBSD.org> AuthorDate: 2022-03-08 11:02:02 +0000 Commit: Andrew Turner <andrew@FreeBSD.org> CommitDate: 2022-03-08 11:54:58 +0000 Print the instruction for the unknown exception The arm64 unknown exception will be raised when we execute an instruction that id invalid or disabled. To help debug these print the instruction that failed. Sponsored by: The FreeBSD Foundation --- sys/arm64/arm64/trap.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sys/arm64/arm64/trap.c b/sys/arm64/arm64/trap.c index 93167f4d2347..fa921e39b844 100644 --- a/sys/arm64/arm64/trap.c +++ b/sys/arm64/arm64/trap.c @@ -492,6 +492,8 @@ do_el1h_sync(struct thread *td, struct trapframe *frame) case EXCP_UNKNOWN: if (undef_insn(1, frame)) break; + printf("Undefined instruction: %08x\n", + *(uint32_t *)frame->tf_elr); /* FALLTHROUGH */ default: print_registers(frame);
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