WIP: Experimental changes to help study GIC state

Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>

1 files changed, 12 insertions, 0 deletions

diff --git a/lib/nmi_backtrace.c b/lib/nmi_backtrace.c
index f338f867a9a5..1efd7a77e552 100644
--- a/lib/nmi_backtrace.c
+++ b/lib/nmi_backtrace.c
@@ -54,6 +54,7 @@ void nmi_trigger_all_cpu_backtrace(bool include_self,
 {
 	struct nmi_seq_buf *s;
 	int i, cpu, this_cpu = get_cpu();
+	bool gic_dump = true;
 
 	if (test_and_set_bit(0, &backtrace_flag)) {
 		/*
@@ -119,6 +120,17 @@ void nmi_trigger_all_cpu_backtrace(bool include_self,
 		}
 	}
 
+	/* Ensure debug info is easy to find. */
+	for_each_cpu(cpu, to_cpumask(backtrace_mask)) {
+
+		pr_err("No reply from cpu %d\n", cpu);
+	}
+
+	{
+		void gic_dump_regs(void);
+		gic_dump_regs();
+	}
+
 	clear_bit(0, &backtrace_flag);
 	smp_mb__after_atomic();
 	put_cpu();