From f09441141999dbfd1980f5d0be071170a23b57fa Mon Sep 17 00:00:00 2001
From: Yingchi Long <longyingchi24s@ict.ac.cn>
Date: Sat, 4 Jan 2025 20:53:21 +0800
Subject: [PATCH] sunway: init

Feature detect library for Sunway CPUs
---
 src/sunway.ts | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 src/sunway.ts

diff --git a/src/sunway.ts b/src/sunway.ts
new file mode 100644
index 0000000..eccf819
--- /dev/null
+++ b/src/sunway.ts
@@ -0,0 +1,19 @@
+/**
+ * Utilities to determine platform variants on sunway.
+ */
+
+import { cpus } from "os";
+
+export type SunwayGeneration = "8a" | "6b";
+
+export function getHostGeneration(): SunwayGeneration {
+    const cpu = cpus()[0];
+    if (cpu.model.includes("H8000")) {
+        return "8a";
+    }
+    return '6b';
+}
+
+export function mcpu(gen: SunwayGeneration): string {
+    return `-mcpu=sw${gen}`;
+}
\ No newline at end of file