enh: auto-generate intel model list

scripts/update_intel_models.sh

@@ -0,0 +1,80 @@
+#!/bin/sh
+# vim: set ts=4 sw=4 sts=4 et:
+# Download and parse Linux kernel's intel-family.h to generate src/libs/003_intel_models.sh.
+# Usage: scripts/update_intel_models.sh
+
+set -eu
+
+SCRIPTDIR="$(cd "$(dirname "$0")" && pwd)"
+REPODIR="$(dirname "$SCRIPTDIR")"
+OUTFILE="$REPODIR/src/libs/003_intel_models.sh"
+URL="https://raw.githubusercontent.com/torvalds/linux/refs/heads/master/arch/x86/include/asm/intel-family.h"
+
+TMPFILE=$(mktemp /tmp/intel-family-XXXXXX.h)
+trap 'rm -f "$TMPFILE"' EXIT INT TERM
+
+echo "Downloading $URL ..."
+wget -q -O "$TMPFILE" "$URL"
+echo "Parsing intel-family.h ..."
+
+{
+    cat <<'HEADER'
+# vim: set ts=4 sw=4 sts=4 et:
+# AUTO-GENERATED FILE — DO NOT EDIT MANUALLY.
+# Generated by scripts/update_intel_models.sh from:
+#   https://raw.githubusercontent.com/torvalds/linux/refs/heads/master/arch/x86/include/asm/intel-family.h
+# Run scripts/update_intel_models.sh to refresh when new Intel CPU families are added to the kernel.
+# shellcheck disable=SC2034
+{
+HEADER
+
+    awk '
+/^#define INTEL_[A-Z0-9_]+[[:space:]]+IFM\(/ {
+    name = $2
+
+    # Skip wildcard and notational markers
+    if (name == "INTEL_ANY") next
+    if (name ~ /_START$/) next
+    if (name ~ /_LAST$/) next
+
+    # Extract the IFM(...) argument string
+    line = $0
+    sub(/.*IFM\(/, "", line)   # line is now: "N, 0xNN) ..."
+
+    # Extract family
+    family = line
+    sub(/,.*/, "", family)
+    gsub(/[[:space:]]/, "", family)
+    # Skip non-numeric families (e.g. X86_FAMILY_ANY)
+    if (family !~ /^[0-9]+$/) next
+
+    # Extract model
+    rest = line
+    sub(/^[^,]+, */, "", rest)  # remove "N, "
+    model = rest
+    sub(/\).*/, "", model)
+    gsub(/[[:space:]]/, "", model)
+
+    # Extract optional C comment and convert to shell comment
+    comment = ""
+    if (index($0, "/*") > 0) {
+        c = $0
+        sub(/.*\/\*/, "/* ", c)
+        gsub(/ +/, " ", c)
+        sub(/ *\*\/.*/, " */", c)
+        comment = "\t# " c
+    }
+
+    # Strip INTEL_ prefix; prepend INTEL_FAM<family>_
+    sub(/^INTEL_/, "", name)
+    varname = "INTEL_FAM" family "_" name
+
+    printf "\treadonly %s=$(( %s ))%s\n", varname, model, comment
+}
+' "$TMPFILE"
+
+    printf '}\n'
+
+} | shfmt -i 4 -ci -ln bash > "$OUTFILE"
+
+echo "Generated $OUTFILE ($(wc -l < "$OUTFILE") lines)"