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#define AluBinary32
using ARMeilleure.State;
using NUnit.Framework;
namespace Ryujinx.Tests.Cpu
{
[Category("AluBinary32")]
public sealed class CpuTestAluBinary32 : CpuTest32
{
#if AluBinary32
public struct CrcTest32
{
public uint Crc;
public uint Value;
public bool C;
public uint[] Results; // One result for each CRC variant (8, 16, 32)
public CrcTest32(uint crc, uint value, bool c, params uint[] results)
{
Crc = crc;
Value = value;
C = c;
Results = results;
}
}
#region "ValueSource (CRC32/CRC32C)"
private static CrcTest32[] _CRC32_Test_Values_()
{
// Created with http://www.sunshine2k.de/coding/javascript/crc/crc_js.html, with:
// - non-reflected polynomials
// - input reflected, result reflected
// - bytes in order of increasing significance
// - xor 0
return new[]
{
new CrcTest32(0x00000000u, 0x00_00_00_00u, false, 0x00000000, 0x00000000, 0x00000000),
new CrcTest32(0x00000000u, 0x7f_ff_ff_ffu, false, 0x2d02ef8d, 0xbe2612ff, 0x3303a3c3),
new CrcTest32(0x00000000u, 0x80_00_00_00u, false, 0x00000000, 0x00000000, 0xedb88320),
new CrcTest32(0x00000000u, 0xff_ff_ff_ffu, false, 0x2d02ef8d, 0xbe2612ff, 0xdebb20e3),
new CrcTest32(0x00000000u, 0x9d_cb_12_f0u, false, 0xbdbdf21c, 0xe70590f5, 0x3f7480c5),
new CrcTest32(0xffffffffu, 0x00_00_00_00u, false, 0x2dfd1072, 0xbe26ed00, 0xdebb20e3),
new CrcTest32(0xffffffffu, 0x7f_ff_ff_ffu, false, 0x00ffffff, 0x0000ffff, 0xedb88320),
new CrcTest32(0xffffffffu, 0x80_00_00_00u, false, 0x2dfd1072, 0xbe26ed00, 0x3303a3c3),
new CrcTest32(0xffffffffu, 0xff_ff_ff_ffu, false, 0x00ffffff, 0x0000ffff, 0x00000000),
new CrcTest32(0xffffffffu, 0x9d_cb_12_f0u, false, 0x9040e26e, 0x59237df5, 0xe1cfa026),
new CrcTest32(0x00000000u, 0x00_00_00_00u, true, 0x00000000, 0x00000000, 0x00000000),
new CrcTest32(0x00000000u, 0x7f_ff_ff_ffu, true, 0xad7d5351, 0x0e9e77d2, 0x356e8f40),
new CrcTest32(0x00000000u, 0x80_00_00_00u, true, 0x00000000, 0x00000000, 0x82f63b78),
new CrcTest32(0x00000000u, 0xff_ff_ff_ffu, true, 0xad7d5351, 0x0e9e77d2, 0xb798b438),
new CrcTest32(0x00000000u, 0x9d_cb_12_f0u, true, 0xf36e6f75, 0xb5ff99e6, 0x782dfbf1),
new CrcTest32(0xffffffffu, 0x00_00_00_00u, true, 0xad82acae, 0x0e9e882d, 0xb798b438),
new CrcTest32(0xffffffffu, 0x7f_ff_ff_ffu, true, 0x00ffffff, 0x0000ffff, 0x82f63b78),
new CrcTest32(0xffffffffu, 0x80_00_00_00u, true, 0xad82acae, 0x0e9e882d, 0x356e8f40),
new CrcTest32(0xffffffffu, 0xff_ff_ff_ffu, true, 0x00ffffff, 0x0000ffff, 0x00000000),
new CrcTest32(0xffffffffu, 0x9d_cb_12_f0u, true, 0x5eecc3db, 0xbb6111cb, 0xcfb54fc9)
};
}
#endregion
[Test, Combinatorial]
public void Crc32_Crc32c_b_h_w([Values(0u)] uint rd,
[Values(1u)] uint rn,
[Values(2u)] uint rm,
[Range(0u, 2u)] uint size,
[ValueSource(nameof(_CRC32_Test_Values_))] CrcTest32 test)
{
// Unicorn does not yet support 32bit crc instructions, so test against a known table of results/values.
uint opcode = 0xe1000040; // CRC32B R0, R0, R0
opcode |= ((rm & 15) << 0) | ((rd & 15) << 12) | ((rn & 15) << 16);
opcode |= size << 21;
if (test.C)
{
opcode |= 1 << 9;
}
uint sp = TestContext.CurrentContext.Random.NextUInt();
SingleOpcode(opcode, r1: test.Crc, r2: test.Value, sp: sp, runUnicorn: false);
ExecutionContext context = GetContext();
ulong result = context.GetX((int)rd);
Assert.That(result == test.Results[size]);
}
#endif
}
}
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