source: core/c/jcpuid/src/jcpuid.c @ 1850e89

#include "jcpuid.h"

//Executes the indicated subfunction of the CPUID operation
JNIEXPORT jobject JNICALL Java_freenet_support_CPUInformation_CPUID_doCPUID
  (JNIEnv * env, jclass cls, jint iFunction)
{
        int a,b,c,d;
        jclass clsResult = (*env)->FindClass(env, "freenet/support/CPUInformation/CPUID$CPUIDResult");
        jmethodID constructor = (*env)->GetMethodID(env, clsResult,"<init>","(IIII)V" );
        #ifdef _MSC_VER
                //Use MSVC assembler notation
                _asm 
                {
                        mov eax, iFunction
                        cpuid
                        mov a, eax
                        mov b, ebx
                        mov c, ecx
                        mov d, edx
                }
        #else
                //Use GCC assembler notation
                asm 
                (
                        "cpuid"
                        : "=a" (a),
                          "=b" (b),
                          "=c"(c),
                          "=d"(d)
                        :"a"(iFunction)
                );
        #endif
        return (*env)->NewObject(env, clsResult,constructor,a,b,c,d);
}