fix(core): swap ecx/edx registers when parsing CPUID (yvt#1052)

Fixes corrupted output when reading a CPU vendor name.
devnexen · May 4, 2023 · f6f5108 · f6f5108
1 parent 3444084
commit f6f5108
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/Sources/Core/CpuID.cpp b/Sources/Core/CpuID.cpp
@@ -43,9 +43,11 @@ namespace spades {
 		{
 			auto ar = cpuid(0);
 			char buf[13];
-			buf[12] = 0;
 			maxStdLevel = ar[0];
-			memcpy(buf, ar.data() + 1, 12);
+			memcpy(&buf[0], &ar[1], 4);
+			memcpy(&buf[4], &ar[3], 4);
+			memcpy(&buf[8], &ar[2], 4);
+			buf[12] = 0;
 			vendor = buf;
 		}
 		{