etterna: add aarch64-linux support

From 778cb2ed0d56614fd06d2129398799e46ff51720 Mon Sep 17 00:00:00 2001

From: Marcin Serwin <marcin@serwin.dev>

Date: Mon, 3 Nov 2025 22:25:10 +0100

Subject: [PATCH] Add aarch64-linux support

Signed-off-by: Marcin Serwin <marcin@serwin.dev>

---

 src/Etterna/Models/Misc/StageStats.cpp | 23 +++++++++++++++++++++--

 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/src/Etterna/Models/Misc/StageStats.cpp b/src/Etterna/Models/Misc/StageStats.cpp

index 0c70cf25ae..671717505d 100644

--- a/src/Etterna/Models/Misc/StageStats.cpp

+++ b/src/Etterna/Models/Misc/StageStats.cpp

@@ -19,8 +19,9 @@

 #include "Etterna/Singletons/GameManager.h"

 #include "Etterna/Models/NoteData/NoteDataUtil.h"

-#if !( defined(_WIN32) || defined(__APPLE__))

-	#include <cpuid.h> //We only use cpuid.h on Linux :)

+#if !( defined(_WIN32) || defined(__APPLE__)) \

+    && (defined(__x86_64__) || defined(__i386__))

+	#include <cpuid.h> //We only use cpuid.h on x86 Linux :)

 #endif

 #ifdef _WIN32

@@ -236,6 +237,8 @@ getCpuHash()

 #else  // !DARWIN

+#if defined(__x86_64__) || defined(__i386__)

+

 uint16_t

 getCpuHash()

 {

@@ -248,6 +251,22 @@ getCpuHash()

 	return hash;

 }

+

+#else // !x86

+

+uint16_t

+getCpuHash()

+{

+	// https://www.kernel.org/doc/html/v6.17/arch/arm64/cpu-feature-registers.html

+	uint64_t midr = 0;

+	asm("mrs %0, MIDR_EL1" : "=r"(midr));

+

+	// Only leave implementer, variant, and architecture bits.

+	// See https://developer.arm.com/documentation/ddi0601/2025-09/AArch64-Registers/MIDR-EL1--Main-ID-Register?lang=en

+	return midr >> 16;

+}

+

+#endif // !x86

 #endif // !DARWIN

 std::string

-- 

2.51.0

    hash = "sha256-ZCQt99Qcov/7jGfrSmX9WftaP2U2B1d1APK1mxrUDBs=";

  };

  patches = [ ./fix-download-manager.patch ];

  patches = [

    ./fix-download-manager.patch

    # https://github.com/etternagame/etterna/pull/1396

    ./0001-Add-aarch64-linux-support.patch

  ];

  nativeBuildInputs = [

    cmake