ppsspp/Core/MIPS/MIPSAsm.cpp
2016-05-01 11:39:59 +02:00

109 lines
2.3 KiB
C++

#ifdef _WIN32
#include "stdafx.h"
#endif
#include <cstdarg>
#include <cstring>
#include <vector>
#include "Common/CommonTypes.h"
#if defined(_WIN32) || defined(ANDROID)
// This has to be before basictypes to avoid a define conflict.
#include "ext/armips/Core/Assembler.h"
#endif
#include "util/text/utf8.h"
#include "Core/Debugger/SymbolMap.h"
#include "Core/MemMapHelpers.h"
#include "Core/MIPS/JitCommon/JitCommon.h"
#include "Core/MIPS/MIPSAsm.h"
namespace MIPSAsm
{
static std::wstring errorText;
std::wstring GetAssembleError()
{
return errorText;
}
#if defined(_WIN32) || defined(ANDROID)
class PspAssemblerFile: public AssemblerFile
{
public:
PspAssemblerFile()
{
address = 0;
}
bool open(bool onlyCheck) override{ return true; };
void close() override { };
bool isOpen() override { return true; };
bool write(void* data, size_t length) override
{
if (!Memory::IsValidAddress((u32)(address+length-1)))
return false;
Memory::Memcpy((u32)address,data,(u32)length);
// In case this is a delay slot or combined instruction, clear cache above it too.
if (MIPSComp::jit)
MIPSComp::jit->InvalidateCacheAt((u32)(address - 4),(int)length+4);
address += length;
return true;
}
u64 getVirtualAddress() override { return address; };
u64 getPhysicalAddress() override { return getVirtualAddress(); };
bool seekVirtual(u64 virtualAddress) override
{
if (!Memory::IsValidAddress(virtualAddress))
return false;
address = virtualAddress;
return true;
}
bool seekPhysical(u64 physicalAddress) override { return seekVirtual(physicalAddress); }
private:
u64 address;
};
#endif
bool MipsAssembleOpcode(const char* line, DebugInterface* cpu, u32 address)
{
#if defined(_WIN32) || defined(ANDROID)
PspAssemblerFile file;
StringList errors;
wchar_t str[64];
swprintf(str,64,L".psp\n.org 0x%08X\n",address);
ArmipsArguments args;
args.mode = ArmipsMode::MEMORY;
args.content = str + ConvertUTF8ToWString(line);
args.silent = true;
args.memoryFile = &file;
args.errorsResult = &errors;
g_symbolMap->GetLabels(args.labels);
errorText = L"";
if (!runArmips(args))
{
for (size_t i = 0; i < errors.size(); i++)
{
errorText += errors[i];
if (i != errors.size()-1)
errorText += L"\n";
}
return false;
}
return true;
#else
errorText = L"Unsupported platform";
return false;
#endif
}
}