arm64: Print ESR_EL1 on synchronous external abort

zxombie · zxombie · commit 77bf447759eb · 2025-08-21T18:48:26.000+01:00
This is useful as the register may include information about the abort.

Sponsored by:	Arm Ltd
diff --git a/sys/arm64/arm64/trap.c b/sys/arm64/arm64/trap.c
@@ -246,6 +246,7 @@ external_abort(struct thread *td, struct trapframe *frame, uint64_t esr,
 
 	print_registers(frame);
 	print_gp_register("far", far);
+	printf(" esr: 0x%.16lx\n", esr);
 	panic("Unhandled external data abort");
 }
 

Original file line number	Diff line number	Diff line change
`@@ -246,6 +246,7 @@ external_abort(struct thread td, struct trapframe frame, uint64_t esr,`
`246`	`246`
`247`	`247`	`print_registers(frame);`
`248`	`248`	`print_gp_register("far", far);`
	`249`	`+ printf(" esr: 0x%.16lx\n", esr);`
`249`	`250`	`panic("Unhandled external data abort");`
`250`	`251`	`}`
`251`	`252`