x86 CPUID dump parser

1 files changed, 47 insertions, 0 deletions

diff --git a/scripts/parse-x86-cpuid-dump.py b/scripts/parse-x86-cpuid-dump.py
new file mode 100755
index 0000000..f3f112a
--- /dev/null
+++ b/scripts/parse-x86-cpuid-dump.py
@@ -0,0 +1,47 @@
+#!/usr/bin/env python
+
+from __future__ import print_function
+
+import argparse
+import sys
+import re
+
+
+parser = argparse.ArgumentParser(description='x86 CPUID dump parser')
+parser.add_argument("input", metavar="INPUT", nargs=1,
+                    help="Path to CPUID dump log")
+
+
+def main(args):
+    options = parser.parse_args(args)
+
+    cpuid_dump = list()
+    for line in open(options.input[0]).read().splitlines():
+        match = re.match(r"CPUID ([\dA-F]{8}): ([\dA-F]{8})-([\dA-F]{8})-([\dA-F]{8})-([\dA-F]{8})", line)
+        if match is not None:
+            input_eax, eax, ebx, ecx, edx = tuple(int(match.group(i), 16) for i in [1, 2, 3, 4, 5])
+            line = line[match.end(0):].strip()
+            input_ecx = None
+            match = re.match(r"\[SL (\d{2})\]", line)
+            if match is not None:
+                input_ecx = int(match.group(1), 16)
+            cpuid_dump.append((input_eax, input_ecx, eax, ebx, ecx, edx))
+
+
+    print("struct cpuinfo_mock_cpuid cpuid_dump[] = {")
+    for input_eax, input_ecx, eax, ebx, ecx, edx in cpuid_dump:
+        print("\t{")
+        print("\t\t.input_eax = 0x%08X," % input_eax)
+        if input_ecx is not None:
+            print("\t\t.input_ecx = 0x%08X," % input_ecx)
+        print("\t\t.eax = 0x%08X," % eax)
+        print("\t\t.ebx = 0x%08X," % ebx)
+        print("\t\t.ecx = 0x%08X," % ecx)
+        print("\t\t.edx = 0x%08X," % edx)
+        print("\t},")
+    print("};")
+    print()
+
+
+if __name__ == "__main__":
+    main(sys.argv[1:])