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Merge remote-tracking branch 'Kernel/master'
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Kernel/tests/rng.cpp
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Kernel/tests/rng.cpp
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/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#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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CPU::x86::AMD::CPUID0x00000001 cpuid;
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RDRANDFlag = cpuid.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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CPU::x86::Intel::CPUID0x00000001 cpuid;
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RDRANDFlag = cpuid.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(a86)
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if (RDRANDFlag)
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{
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uintptr_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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