From 9c2587bca54a306ea7d17f7e92b1008af759960c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Lesimple?= <speed47_github@speed47.net>
Date: Sun, 30 Jul 2023 11:55:12 +0200
Subject: [PATCH] enh: when CPUID can't be read, built it by ourselves

---
 spectre-meltdown-checker.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/spectre-meltdown-checker.sh b/spectre-meltdown-checker.sh
index 237808b..9ca3ab0 100755
--- a/spectre-meltdown-checker.sh
+++ b/spectre-meltdown-checker.sh
@@ -1866,7 +1866,9 @@ parse_cpu_details()
 	if read_cpuid 0x1 0x0 $EAX 0 0xFFFFFFFF; then
 		cpu_cpuid="$read_cpuid_value"
 	else
-		cpu_cpuid=0
+		# try to build it by ourselves
+		_debug "parse_cpu_details: build the CPUID by ourselves"
+		cpu_cpuid=$(fms2cpuid "$cpu_family" "$cpu_model" "$cpu_stepping")
 	fi
 
 	# under BSD, linprocfs often doesn't export ucode information, so fetch it ourselves the good old way