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https://github.com/hrydgard/ppsspp.git
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109 lines
2.5 KiB
C++
109 lines
2.5 KiB
C++
#include <cstdarg>
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#include <cstring>
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#include <memory>
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#ifndef NO_ARMIPS
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#include <string_view>
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#endif
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#include <vector>
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#include "Common/CommonTypes.h"
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#ifndef NO_ARMIPS
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#include "ext/armips/Core/Assembler.h"
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#include "ext/armips/Core/FileManager.h"
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#endif
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#include "Common/Data/Encoding/Utf8.h"
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#include "Core/Debugger/SymbolMap.h"
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#include "Core/MemMapHelpers.h"
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#include "Core/MIPS/JitCommon/JitCommon.h"
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#include "Core/MIPS/MIPSAsm.h"
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namespace MIPSAsm
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{
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static std::string errorText;
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std::string GetAssembleError()
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{
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return errorText;
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}
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#ifndef NO_ARMIPS
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class PspAssemblerFile: public AssemblerFile
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{
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public:
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PspAssemblerFile() {
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address = 0;
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}
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bool open(bool onlyCheck) override{ return true; };
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void close() override { };
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bool isOpen() override { return true; };
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bool write(void* data, size_t length) override {
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if (!Memory::IsValidAddress((u32)(address+length-1)))
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return false;
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Memory::Memcpy((u32)address, data, (u32)length, "Debugger");
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// In case this is a delay slot or combined instruction, clear cache above it too.
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mipsr4k.InvalidateICache((u32)(address - 4), (int)length + 4);
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address += length;
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return true;
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}
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int64_t getVirtualAddress() override { return address; };
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int64_t getPhysicalAddress() override { return getVirtualAddress(); };
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int64_t getHeaderSize() override { return 0; }
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bool seekVirtual(int64_t virtualAddress) override {
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if (!Memory::IsValidAddress(virtualAddress))
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return false;
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address = virtualAddress;
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return true;
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}
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bool seekPhysical(int64_t physicalAddress) override { return seekVirtual(physicalAddress); }
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const fs::path &getFileName() override { return dummyFilename_; }
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private:
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u64 address;
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fs::path dummyFilename_;
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};
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bool MipsAssembleOpcode(const char *line, DebugInterface *cpu, u32 address) {
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std::vector<std::string> errors;
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char str[64];
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snprintf(str, 64, ".psp\n.org 0x%08X\n", address);
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ArmipsArguments args;
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args.mode = ArmipsMode::MEMORY;
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args.content = str + std::string(line);
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args.silent = true;
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args.memoryFile.reset(new PspAssemblerFile());
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args.errorsResult = &errors;
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if (g_symbolMap) {
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g_symbolMap->GetLabels(args.labels);
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}
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errorText.clear();
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if (!runArmips(args))
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{
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for (size_t i = 0; i < errors.size(); i++)
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{
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errorText += errors[i];
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if (i != errors.size() - 1)
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errorText += "\n";
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}
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return false;
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}
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return true;
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}
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#else
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bool MipsAssembleOpcode(const char *line, DebugInterface *cpu, u32 address) {
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errorText = "Built without armips, cannot assemble";
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return false;
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}
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#endif
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} // namespace
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