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https://github.com/Ryujinx/Ryujinx.git
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* Decoders: Make IsThumb a function of OpCode32 * OpCode32: Fix GetPc * T32: Implement B, B.cond, BL, BLX * rm usings
167 lines
4.3 KiB
C#
167 lines
4.3 KiB
C#
using ARMeilleure.State;
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using NUnit.Framework;
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namespace Ryujinx.Tests.Cpu
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{
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[Category("T32Flow")]
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public sealed class CpuTestT32Flow : CpuTest32
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{
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[Test]
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public void TestT32B1()
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{
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// BNE label
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ThumbOpcode(0xf040);
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ThumbOpcode(0x8240);
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for (int i = 0; i < 576; i++)
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{
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ThumbOpcode(0xe7fe);
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}
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// label: BX LR
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ThumbOpcode(0x4770);
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GetContext().SetPstateFlag(PState.TFlag, true);
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ExecuteOpcodes(runUnicorn: false);
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}
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[Test]
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public void TestT32B2()
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{
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// BNE label1
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ThumbOpcode(0xf040);
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ThumbOpcode(0x8242);
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// label2: BNE label3
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ThumbOpcode(0xf040);
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ThumbOpcode(0x8242);
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for (int i = 0; i < 576; i++)
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{
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ThumbOpcode(0xe7fe);
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}
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// label1: BNE label2
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ThumbOpcode(0xf47f);
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ThumbOpcode(0xadbc);
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// label3: BX LR
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ThumbOpcode(0x4770);
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GetContext().SetPstateFlag(PState.TFlag, true);
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ExecuteOpcodes(runUnicorn: false);
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}
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[Test]
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public void TestT32B3()
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{
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// B.W label
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ThumbOpcode(0xf000);
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ThumbOpcode(0xba40);
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for (int i = 0; i < 576; i++)
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{
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ThumbOpcode(0xe7fe);
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}
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// label: BX LR
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ThumbOpcode(0x4770);
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GetContext().SetPstateFlag(PState.TFlag, true);
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ExecuteOpcodes(runUnicorn: false);
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}
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[Test]
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public void TestT32B4()
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{
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// B.W label1
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ThumbOpcode(0xf000);
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ThumbOpcode(0xba42);
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// label2: B.W label3
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ThumbOpcode(0xf000);
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ThumbOpcode(0xba42);
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for (int i = 0; i < 576; i++)
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{
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ThumbOpcode(0xe7fe);
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}
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// label1: B.W label2
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ThumbOpcode(0xf7ff);
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ThumbOpcode(0xbdbc);
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// label3: BX LR
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ThumbOpcode(0x4770);
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GetContext().SetPstateFlag(PState.TFlag, true);
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ExecuteOpcodes(runUnicorn: false);
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}
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[Test]
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public void TestT32Bl()
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{
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// BL label
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ThumbOpcode(0xf000);
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ThumbOpcode(0xf840);
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for (int i = 0; i < 64; i++)
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{
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ThumbOpcode(0xe7fe);
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}
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ThumbOpcode(0x4670); // label: MOV R0, LR
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ThumbOpcode(0x2100); // MOVS R1, #0
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ThumbOpcode(0x468e); // MOV LR, R1
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ThumbOpcode(0x4770); // BX LR
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GetContext().SetPstateFlag(PState.TFlag, true);
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ExecuteOpcodes(runUnicorn: false);
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Assert.That(GetContext().GetX(0), Is.EqualTo(0x1005));
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}
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[Test]
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public void TestT32Blx1()
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{
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// BLX label
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ThumbOpcode(0xf000);
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ThumbOpcode(0xe840);
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for (int i = 0; i < 64; i++)
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{
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ThumbOpcode(0x4770);
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}
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// .arm ; label: MOV R0, LR
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Opcode(0xe1a0000e);
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// MOV LR, #0
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Opcode(0xe3a0e000);
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// BX LR
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Opcode(0xe12fff1e);
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GetContext().SetPstateFlag(PState.TFlag, true);
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ExecuteOpcodes(runUnicorn: false);
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Assert.That(GetContext().GetX(0), Is.EqualTo(0x1005));
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Assert.That(GetContext().GetPstateFlag(PState.TFlag), Is.EqualTo(false));
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}
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[Test]
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public void TestT32Blx2()
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{
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// NOP
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ThumbOpcode(0xbf00);
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// BLX label
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ThumbOpcode(0xf000);
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ThumbOpcode(0xe840);
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for (int i = 0; i < 63; i++)
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{
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ThumbOpcode(0x4770);
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}
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// .arm ; label: MOV R0, LR
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Opcode(0xe1a0000e);
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// MOV LR, #0
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Opcode(0xe3a0e000);
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// BX LR
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Opcode(0xe12fff1e);
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GetContext().SetPstateFlag(PState.TFlag, true);
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ExecuteOpcodes(runUnicorn: false);
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Assert.That(GetContext().GetX(0), Is.EqualTo(0x1007));
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Assert.That(GetContext().GetPstateFlag(PState.TFlag), Is.EqualTo(false));
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}
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}
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} |