diff options
Diffstat (limited to 'src/Ryujinx.Cpu/LightningJit/Arm32/Target/Arm64/InstEmitMemory.cs')
| -rw-r--r-- | src/Ryujinx.Cpu/LightningJit/Arm32/Target/Arm64/InstEmitMemory.cs | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/src/Ryujinx.Cpu/LightningJit/Arm32/Target/Arm64/InstEmitMemory.cs b/src/Ryujinx.Cpu/LightningJit/Arm32/Target/Arm64/InstEmitMemory.cs index 6ab4b949..d8caee6e 100644 --- a/src/Ryujinx.Cpu/LightningJit/Arm32/Target/Arm64/InstEmitMemory.cs +++ b/src/Ryujinx.Cpu/LightningJit/Arm32/Target/Arm64/InstEmitMemory.cs @@ -1126,11 +1126,23 @@ namespace Ryujinx.Cpu.LightningJit.Arm32.Target.Arm64 Operand destination64 = new(destination.Kind, OperandType.I64, destination.Value); Operand basePointer = new(regAlloc.FixedPageTableRegister, RegisterType.Integer, OperandType.I64); - if (mmType == MemoryManagerType.HostMapped || mmType == MemoryManagerType.HostMappedUnsafe) + // We don't need to mask the address for the safe mode, since it is already naturally limited to 32-bit + // and can never reach out of the guest address space. + + if (mmType.IsHostTracked()) { - // We don't need to mask the address for the safe mode, since it is already naturally limited to 32-bit - // and can never reach out of the guest address space. + int tempRegister = regAlloc.AllocateTempGprRegister(); + + Operand pte = new(tempRegister, RegisterType.Integer, OperandType.I64); + + asm.Lsr(pte, guestAddress, new Operand(OperandKind.Constant, OperandType.I32, 12)); + asm.LdrRr(pte, basePointer, pte, ArmExtensionType.Uxtx, true); + asm.Add(destination64, pte, guestAddress); + regAlloc.FreeTempGprRegister(tempRegister); + } + else if (mmType.IsHostMapped()) + { asm.Add(destination64, basePointer, guestAddress); } else |
