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68 lines
2.5 KiB
C++
68 lines
2.5 KiB
C++
#ifdef DEBUG
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#include <rand.hpp>
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#include <debug.h>
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#include <cpu.hpp>
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__constructor void TestRandom()
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{
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int RDRANDFlag = 0;
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if (strcmp(CPU::Vendor(), x86_CPUID_VENDOR_AMD) == 0)
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{
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#if defined(a64)
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CPU::x64::AMD::CPUID0x1 cpuid1amd;
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#elif defined(a32)
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CPU::x32::AMD::CPUID0x1 cpuid1amd;
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#endif
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#if defined(a64) || defined(a32)
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asmv("cpuid"
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: "=a"(cpuid1amd.EAX.raw), "=b"(cpuid1amd.EBX.raw), "=c"(cpuid1amd.ECX.raw), "=d"(cpuid1amd.EDX.raw)
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: "a"(0x1));
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#endif
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RDRANDFlag = cpuid1amd.ECX.RDRAND;
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}
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else if (strcmp(CPU::Vendor(), x86_CPUID_VENDOR_INTEL) == 0)
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{
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#if defined(a64)
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CPU::x64::Intel::CPUID0x1 cpuid1intel;
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#elif defined(a32)
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CPU::x32::Intel::CPUID0x1 cpuid1intel;
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#endif
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#if defined(a64) || defined(a32)
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asmv("cpuid"
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: "=a"(cpuid1intel.EAX.raw), "=b"(cpuid1intel.EBX.raw), "=c"(cpuid1intel.ECX.raw), "=d"(cpuid1intel.EDX.raw)
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: "a"(0x1));
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#endif
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RDRANDFlag = cpuid1intel.ECX.RDRAND;
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}
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if (strcmp(CPU::Hypervisor(), x86_CPUID_VENDOR_TCG) == 0)
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RDRANDFlag = 0;
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#if defined(a64) || defined(a32)
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if (RDRANDFlag)
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{
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uint64_t RDSEEDValue = 0;
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asmv("1: rdseed %0; jnc 1b"
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: "=r"(RDSEEDValue));
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debug("RDSEED: %ld", RDSEEDValue);
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}
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#endif
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Random::ChangeSeed(0xdeadbeef);
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uint16_t Seeds16[16];
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uint32_t Seeds32[16];
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uint64_t Seeds64[16];
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for (short i = 0; i < 16; i++)
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{
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Seeds16[i] = Random::rand16();
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Seeds32[i] = Random::rand32();
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Seeds64[i] = Random::rand64();
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}
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debug("Random 16: %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld", Seeds16[0], Seeds16[1], Seeds16[2], Seeds16[3], Seeds16[4], Seeds16[5], Seeds16[6], Seeds16[7], Seeds16[8], Seeds16[9], Seeds16[10], Seeds16[11], Seeds16[12], Seeds16[13], Seeds16[14], Seeds16[15]);
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debug("Random 32: %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld", Seeds32[0], Seeds32[1], Seeds32[2], Seeds32[3], Seeds32[4], Seeds32[5], Seeds32[6], Seeds32[7], Seeds32[8], Seeds32[9], Seeds32[10], Seeds32[11], Seeds32[12], Seeds32[13], Seeds32[14], Seeds32[15]);
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debug("Random 64: %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld", Seeds64[0], Seeds64[1], Seeds64[2], Seeds64[3], Seeds64[4], Seeds64[5], Seeds64[6], Seeds64[7], Seeds64[8], Seeds64[9], Seeds64[10], Seeds64[11], Seeds64[12], Seeds64[13], Seeds64[14], Seeds64[15]);
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}
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#endif // DEBUG
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