From c442847720c985ca0de6eff5230ad7fa288bd00f Mon Sep 17 00:00:00 2001
From: Siu Kwan Lam <1929845+sklam@users.noreply.github.com>
Date: Tue, 2 Jul 2024 11:51:53 -0500
Subject: [PATCH] Print errmsg when arm64 cpu detection got invalid result

---
 pixie/targets/arm64.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pixie/targets/arm64.py b/pixie/targets/arm64.py
index 51c5a06..b03820f 100644
--- a/pixie/targets/arm64.py
+++ b/pixie/targets/arm64.py
@@ -234,7 +234,10 @@ def cpu_release_order(*args):
         bb_default = builder.append_basic_block()
         swt = builder.switch(cpu_sel, bb_default)
         with builder.goto_block(bb_default):
-            self.debug_print(builder, '[selector] unknown cpu\n')
+            message = "CPU detection returned invalid result cpu_sel=%d\n"
+            error_message = self._ctx.insert_const_string(
+                builder.module, message)
+            c.stdio.printf(builder, error_message, cpu_sel)
             # call sigabrt.
             self.debug_print(builder, "calling exit\n")
             c.stdlib.exit(builder, c.sysexits.EX_SOFTWARE)