mirror of https://github.com/PCSX2/pcsx2.git
149 lines
3.7 KiB
C++
149 lines
3.7 KiB
C++
/* PCSX2 - PS2 Emulator for PCs
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* Copyright (C) 2002-2010 PCSX2 Dev Team
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*
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* PCSX2 is free software: you can redistribute it and/or modify it under the terms
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* of the GNU Lesser General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with PCSX2.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "fmt/core.h"
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// --------------------------------------------------------------------------------------
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// BaseR5900Exception
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// --------------------------------------------------------------------------------------
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// Abstract base class for R5900 exceptions; contains the cpuRegs instance at the
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// time the exception is raised.
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//
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// Translation note: EE Emulation exceptions are untranslated only. There's really no
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// point in providing translations for this hardcore mess. :)
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//
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class BaseR5900Exception : public Exception::Ps2Generic
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{
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DEFINE_EXCEPTION_COPYTORS(BaseR5900Exception, Exception::Ps2Generic)
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public:
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cpuRegisters cpuState;
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public:
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u32 GetPc() const override { return cpuState.pc; }
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bool IsDelaySlot() const override { return !!cpuState.IsDelaySlot; }
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std::string& Message() override { return m_message; }
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std::string FormatMessage() const
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{
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return fmt::format("(EE pc:{:08X}) {}", cpuRegs.pc, m_message.c_str());
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}
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protected:
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void Init(const char* msg)
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{
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m_message = msg;
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cpuState = cpuRegs;
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}
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void Init(std::string msg)
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{
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m_message = msg;
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cpuState = cpuRegs;
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}
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};
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namespace R5900Exception
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{
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// --------------------------------------------------------------------------------------
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// BaseAddressError
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// --------------------------------------------------------------------------------------
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class BaseAddressError : public BaseR5900Exception
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{
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DEFINE_EXCEPTION_COPYTORS(BaseAddressError, BaseR5900Exception)
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public:
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bool OnWrite;
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u32 Address;
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protected:
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void Init( u32 ps2addr, bool onWrite, const char* msg )
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{
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_parent::Init(fmt::format("{}, addr=0x{:x} [{}]", msg, ps2addr, onWrite ? "store" : "load"));
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OnWrite = onWrite;
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Address = ps2addr;
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}
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};
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class AddressError : public BaseAddressError
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{
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public:
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AddressError( u32 ps2addr, bool onWrite )
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{
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BaseAddressError::Init( ps2addr, onWrite, "Address error" );
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}
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};
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class TLBMiss : public BaseAddressError
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{
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DEFINE_EXCEPTION_COPYTORS(TLBMiss, BaseAddressError)
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public:
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TLBMiss( u32 ps2addr, bool onWrite )
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{
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BaseAddressError::Init( ps2addr, onWrite, "TLB Miss" );
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}
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};
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class BusError : public BaseAddressError
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{
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DEFINE_EXCEPTION_COPYTORS(BusError, BaseAddressError)
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public:
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BusError( u32 ps2addr, bool onWrite )
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{
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BaseAddressError::Init( ps2addr, onWrite, "Bus Error" );
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}
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};
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class Trap : public BaseR5900Exception
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{
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DEFINE_EXCEPTION_COPYTORS(Trap, BaseR5900Exception)
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public:
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u16 TrapCode;
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public:
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// Generates a trap for immediate-style Trap opcodes
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Trap()
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{
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_parent::Init( "Trap" );
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TrapCode = 0;
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}
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// Generates a trap for register-style Trap instructions, which contain an
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// error code in the opcode
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explicit Trap( u16 trapcode )
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{
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_parent::Init( "Trap" ),
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TrapCode = trapcode;
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}
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};
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class DebugBreakpoint : public BaseR5900Exception
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{
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DEFINE_EXCEPTION_COPYTORS(DebugBreakpoint, BaseR5900Exception)
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public:
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explicit DebugBreakpoint()
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{
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_parent::Init( "Debug Breakpoint" );
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}
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};
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}
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