diff mbox series

[v2,10/10] target/i386: Autogenerate feature_word_info.c.inc

Message ID 20230908124534.25027-11-twiederh@redhat.com
State New
Headers show
Series Generate x86 cpu features | expand

Commit Message

Tim Wiederhake Sept. 8, 2023, 12:45 p.m. UTC 
This introduces no semantic changes to the file.

Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
---
 target/i386/feature_word_info.c.inc |  2 +
 target/i386/feature_word_info.py    | 62 +++++++++++++++++++++++++++++
 target/i386/feature_word_info.yaml  |  2 +
 3 files changed, 66 insertions(+)
 create mode 100755 target/i386/feature_word_info.py

Comments

Richard Henderson Sept. 9, 2023, 11:42 p.m. UTC | #1 
On 9/8/23 05:45, Tim Wiederhake wrote:
> +++ b/target/i386/feature_word_info.yaml
> @@ -1,3 +1,5 @@
> +# Run `feature_word_info.py` when you make changes to this file.

You should integrate this into the build process instead.


r~
diff mbox series

Patch

diff --git a/target/i386/feature_word_info.c.inc b/target/i386/feature_word_info.c.inc
index 5bac4aaeba..fb699528a6 100644
--- a/target/i386/feature_word_info.c.inc
+++ b/target/i386/feature_word_info.c.inc
@@ -1,3 +1,5 @@ 
+/* This file is generated by feature_word_info.py. */
+
 FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
     [FEAT_1_EDX] = {
         .type = CPUID_FEATURE_WORD,
diff --git a/target/i386/feature_word_info.py b/target/i386/feature_word_info.py
new file mode 100755
index 0000000000..e5773c8dbf
--- /dev/null
+++ b/target/i386/feature_word_info.py
@@ -0,0 +1,62 @@ 
+#!/bin/env python3
+
+import os
+import yaml
+
+
+def write_feature_word(f, data):
+    f.write("    [{}] = {{\n".format(data["index"]))
+    f.write("        .type = {},\n".format(data["type"]))
+    f.write("        .feat_names = {\n")
+    for index in range(64):
+        name = data.get("feat_names", {}).get(index)
+        name = "NULL" if name is None else "\"" + name + "\""
+        if index % 4 == 0:
+            f.write(" " * 11)
+        f.write(" " + str(name) + ",")
+        if index % 4 == 3:
+            f.write("\n")
+    f.write("        },\n")
+    if "cpuid" in data:
+        cpuid = data["cpuid"]
+        f.write("        .cpuid = {\n")
+        f.write("            .eax = {},\n".format(cpuid["eax"]))
+        if "ecx" in cpuid:
+            f.write("            .needs_ecx = true,\n")
+            f.write("            .ecx = {},\n".format(cpuid["ecx"]))
+        f.write("            .reg = {},\n".format(cpuid["reg"]))
+        f.write("        },\n")
+    if "msr" in data:
+        f.write("        .msr = {\n")
+        f.write("            .index = {},\n".format(data["msr"]))
+        f.write("        },\n")
+    if "tcg_features" in data:
+        f.write("        .tcg_features = {},\n".format(data["tcg_features"]))
+    if "unmigratable_flags" in data:
+        f.write("        .unmigratable_flags = {},\n".format(
+            data["unmigratable_flags"]))
+    if "migratable_flags" in data:
+        f.write("        .migratable_flags = {},\n".format(
+            data["migratable_flags"]))
+    if "no_autoenable_flags" in data:
+        f.write("        .no_autoenable_flags = {},\n".format(
+            data["no_autoenable_flags"]))
+    f.write("    },\n")
+
+
+def main():
+    dirname = os.path.dirname(__file__)
+
+    with open(os.path.join(dirname, "feature_word_info.yaml"), "tr") as f:
+        feature_words = yaml.safe_load(f)
+
+    with open(os.path.join(dirname, "feature_word_info.c.inc"), "tw") as f:
+        f.write("/* This file is generated by feature_word_info.py. */\n\n")
+        f.write("FeatureWordInfo feature_word_info[FEATURE_WORDS] = {\n")
+        for feature_word in feature_words:
+            write_feature_word(f, feature_word)
+        f.write("};\n")
+
+
+if __name__ == "__main__":
+    main()
diff --git a/target/i386/feature_word_info.yaml b/target/i386/feature_word_info.yaml
index cd6cdc8053..79914a0ece 100644
--- a/target/i386/feature_word_info.yaml
+++ b/target/i386/feature_word_info.yaml
@@ -1,3 +1,5 @@ 
+# Run `feature_word_info.py` when you make changes to this file.
+
 - index: FEAT_1_EDX
   cpuid:
     eax: '1'