From 5ac87ba7f341181eba53340da651a56d93785e60 Mon Sep 17 00:00:00 2001
From: Emma <me@emiyl.com>
Date: Sat, 18 Apr 2026 17:53:21 +0000
Subject: [PATCH] mac: Log CPU and OS version (#1879)

---
 src/Cafe/CafeSystem.cpp     | 18 +++++++++++++++++-
 src/Common/cpu_features.cpp | 23 ++++++++++++++++++++++-
 2 files changed, 39 insertions(+), 2 deletions(-)

diff --git a/src/Cafe/CafeSystem.cpp b/src/Cafe/CafeSystem.cpp
index 879085b9..f016773c 100644
--- a/src/Cafe/CafeSystem.cpp
+++ b/src/Cafe/CafeSystem.cpp
@@ -539,7 +539,23 @@ namespace CafeSystem
 		else
 			platform = "Linux";
 		#elif BOOST_OS_MACOS
-		platform = "MacOS";
+		char productVersion[256]{};
+		size_t productVersionSize = sizeof(productVersion);
+		const int productVersionResult = sysctlbyname("kern.osproductversion", productVersion, &productVersionSize, nullptr, 0);
+
+		char buildVersion[256]{};
+		size_t buildVersionSize = sizeof(buildVersion);
+		const int buildVersionResult = sysctlbyname("kern.osversion", buildVersion, &buildVersionSize, nullptr, 0);
+
+		if (productVersionResult == 0 && buildVersionResult == 0)
+			buffer = fmt::format("macOS {} ({})", productVersion, buildVersion);
+		else if (productVersionResult == 0)
+			buffer = fmt::format("macOS {}", productVersion);
+		else
+			buffer = "macOS";
+
+		platform = buffer.c_str();
+		
 		#elif BOOST_OS_BSD
 		#if defined(__FreeBSD__)
 		platform = "FreeBSD";
diff --git a/src/Common/cpu_features.cpp b/src/Common/cpu_features.cpp
index dfea8851..cbc90a15 100644
--- a/src/Common/cpu_features.cpp
+++ b/src/Common/cpu_features.cpp
@@ -1,5 +1,10 @@
 #include "cpu_features.h"
 
+#if BOOST_OS_MACOS
+#include <sys/types.h>
+#include <sys/sysctl.h>
+#endif
+
 // wrappers with uniform prototype for implementation-specific x86 CPU id
 #if defined(ARCH_X86_64)
 #ifdef __GNUC__
@@ -30,7 +35,23 @@ inline void cpuidex(int cpuInfo[4], int functionId, int subFunctionId) {
 
 CPUFeaturesImpl::CPUFeaturesImpl()
 {
-#if defined(ARCH_X86_64)
+#if BOOST_OS_MACOS
+	std::string cpuName;
+	size_t size = 0;
+
+	if (sysctlbyname("machdep.cpu.brand_string", nullptr, &size, nullptr, 0) == 0 && size > 0)
+	{
+		std::vector<char> buffer(size);
+
+		if (sysctlbyname("machdep.cpu.brand_string", buffer.data(), &size, nullptr, 0) == 0 && size > 0)
+		{
+			cpuName.assign(buffer.data());
+		}
+	}
+
+	strncpy(m_cpuBrandName, cpuName.c_str(), sizeof(m_cpuBrandName) - 1);
+	m_cpuBrandName[sizeof(m_cpuBrandName) - 1] = '\0';
+#elif defined(ARCH_X86_64)
 	int cpuInfo[4];
 	cpuid(cpuInfo, 0x80000001);
 	x86.lzcnt = ((cpuInfo[2] >> 5) & 1) != 0;