From 6dd7902d6f148a4ac78e5478edb3a2ca8624f74c Mon Sep 17 00:00:00 2001
From: gcontini <1121667+gcontini@users.noreply.github.com>
Date: 周日, 15 3月 2020 16:07:14 +0800
Subject: [PATCH] cpu brand
---
src/library/os/windows/cpu_info.cpp | 48 ++++++++++++++++++++++++++++++++++++------------
1 files changed, 36 insertions(+), 12 deletions(-)
diff --git a/src/library/os/windows/cpu_info.cpp b/src/library/os/windows/cpu_info.cpp
index f4b0e81..a58cc6c 100644
--- a/src/library/os/windows/cpu_info.cpp
+++ b/src/library/os/windows/cpu_info.cpp
@@ -15,7 +15,42 @@
namespace os {
using namespace std;
-CpuInfo::CpuInfo() {}
+static string get_cpu_vendor() {
+ // hypervisor flag false, try to get the vendor name, see if it's a virtual cpu
+ int cpui[4] = {0};
+ __cpuidex(cpui, 0x0, 0x0);
+
+ char vendor[13];
+ memset(vendor, 0, sizeof(vendor));
+ *reinterpret_cast<int *>(vendor) = cpui[1];
+ *reinterpret_cast<int *>(vendor + 4) = cpui[3];
+ *reinterpret_cast<int *>(vendor + 8) = cpui[2];
+ return string(vendor, 12);
+}
+
+static string get_cpu_brand() {
+ int cpui[4] = {0};
+ __cpuid(cpui, 0x80000000);
+ int maxSupported = cpui[0];
+
+ char brand[0x41];
+ memset(brand, 0, sizeof(brand));
+ string result;
+ if (maxSupported >= 0x80000004) {
+ int instruction = 0x80000002;
+ for (int i = 0; i <= 2; ++i) {
+ __cpuidex(cpui, instruction + i, 0);
+ memcpy(&brand[i * sizeof(cpui)], cpui, sizeof(cpui));
+ }
+ result = string(brand);
+ } else {
+ result = "NA";
+ }
+
+ return result;
+}
+
+CpuInfo::CpuInfo() : m_vendor(get_cpu_vendor()), m_brand(get_cpu_brand()) {}
CpuInfo::~CpuInfo() {}
/**
@@ -38,17 +73,6 @@
return (cpui[0] & 0x3FFF) | (cpui[0] & 0x3FF8000) >> 2 | (cpui[1] & 0xff) << 24;
}
-string CpuInfo::vendor() const {
- // hypervisor flag false, try to get the vendor name, see if it's a virtual cpu
- int cpui[4] = {0};
- __cpuidex(cpui, 0x0, 0x0);
- char vendor[13];
- memset(vendor, 0, sizeof(vendor));
- *reinterpret_cast<int *>(vendor) = cpui[1];
- *reinterpret_cast<int *>(vendor +4) = cpui[3];
- *reinterpret_cast<int *>(vendor + 8) = cpui[2];
- return string(vendor, 12);
-}
} // namespace os
} /* namespace license */
--
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