yuzu/src/core/hle/service/err_f.cpp

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// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <array>
#include <chrono>
#include <iomanip>
#include <sstream>
#include "common/bit_field.h"
#include "common/common_types.h"
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#include "common/logging/log.h"
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#include "core/hle/result.h"
#include "core/hle/service/err_f.h"
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namespace Service {
namespace ERR {
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enum class FatalErrType : u32 {
Generic = 0,
Corrupted = 1,
CardRemoved = 2,
Exception = 3,
ResultFailure = 4,
Logged = 5,
};
enum class ExceptionType : u32 {
PrefetchAbort = 0,
DataAbort = 1,
Undefined = 2,
VectorFP = 3,
};
struct ExceptionInfo {
u8 exception_type;
INSERT_PADDING_BYTES(3);
u32 sr;
u32 ar;
u32 fpexc;
u32 fpinst;
u32 fpinst2;
};
static_assert(sizeof(ExceptionInfo) == 0x18, "ExceptionInfo struct has incorrect size");
struct ExceptionContext final {
std::array<u32, 16> arm_regs;
u32 cpsr;
};
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static_assert(sizeof(ExceptionContext) == 0x44, "ExceptionContext struct has incorrect size");
struct ExceptionData {
ExceptionInfo exception_info;
ExceptionContext exception_context;
INSERT_PADDING_WORDS(1);
};
static_assert(sizeof(ExceptionData) == 0x60, "ExceptionData struct has incorrect size");
// This is used instead of ResultCode from result.h
// because we can't have non-trivial data members in unions.
union RSL {
u32 raw;
BitField<0, 10, u32> description;
BitField<10, 8, u32> module;
BitField<21, 6, u32> summary;
BitField<27, 5, u32> level;
};
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struct ErrInfo {
struct ErrInfoCommon {
u8 specifier; // 0x0
u8 rev_high; // 0x1
u16 rev_low; // 0x2
RSL result_code; // 0x4
u32 pc_address; // 0x8
u32 pid; // 0xC
u32 title_id_low; // 0x10
u32 title_id_high; // 0x14
u32 app_title_id_low; // 0x18
u32 app_title_id_high; // 0x1C
} errinfo_common;
static_assert(sizeof(ErrInfoCommon) == 0x20, "ErrInfoCommon struct has incorrect size");
union {
struct {
char data[0x60]; // 0x20
} generic;
struct {
ExceptionData exception_data; // 0x20
} exception;
struct {
char message[0x60]; // 0x20
} result_failure;
};
};
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static std::string GetErrType(u8 type_code) {
switch (static_cast<FatalErrType>(type_code)) {
case FatalErrType::Generic:
return "Generic";
case FatalErrType::Corrupted:
return "Corrupted";
case FatalErrType::CardRemoved:
return "CardRemoved";
case FatalErrType::Exception:
return "Exception";
case FatalErrType::ResultFailure:
return "ResultFailure";
case FatalErrType::Logged:
return "Logged";
default:
return "Unknown Error Type";
}
}
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static std::string GetExceptionType(u8 type_code) {
switch (static_cast<ExceptionType>(type_code)) {
case ExceptionType::PrefetchAbort:
return "Prefetch Abort";
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case ExceptionType::DataAbort:
return "Data Abort";
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case ExceptionType::Undefined:
return "Undefined Exception";
case ExceptionType::VectorFP:
return "Vector Floating Point Exception";
default:
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return "Unknown Exception Type";
}
}
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static std::string GetCurrentSystemTime() {
auto now = std::chrono::system_clock::now();
auto time = std::chrono::system_clock::to_time_t(now);
std::stringstream time_stream;
time_stream << std::put_time(std::localtime(&time), "%Y/%m/%d %H:%M:%S");
return time_stream.str();
}
static void LogGenericInfo(const ErrInfo::ErrInfoCommon& errinfo_common) {
LOG_CRITICAL(Service_ERR, "PID: 0x%08X", errinfo_common.pid);
LOG_CRITICAL(Service_ERR, "REV: 0x%08X_0x%08X", errinfo_common.rev_high,
errinfo_common.rev_low);
LOG_CRITICAL(Service_ERR, "TID: 0x%08X_0x%08X", errinfo_common.title_id_high,
errinfo_common.title_id_low);
LOG_CRITICAL(Service_ERR, "AID: 0x%08X_0x%08X", errinfo_common.app_title_id_high,
errinfo_common.app_title_id_low);
LOG_CRITICAL(Service_ERR, "ADR: 0x%08X", errinfo_common.pc_address);
LOG_CRITICAL(Service_ERR, "RSL: 0x%08X", errinfo_common.result_code.raw);
LOG_CRITICAL(Service_ERR, " Level: %u", errinfo_common.result_code.level.Value());
LOG_CRITICAL(Service_ERR, " Summary: %u", errinfo_common.result_code.summary.Value());
LOG_CRITICAL(Service_ERR, " Module: %u", errinfo_common.result_code.module.Value());
LOG_CRITICAL(Service_ERR, " Desc: %u", errinfo_common.result_code.description.Value());
}
/* ThrowFatalError function
* Inputs:
* 0 : Header code [0x00010800]
* 1-32 : FatalErrInfo
* Outputs:
* 0 : Header code
* 1 : Result code
*/
static void ThrowFatalError(Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
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LOG_CRITICAL(Service_ERR, "Fatal error");
const ErrInfo* errinfo = reinterpret_cast<ErrInfo*>(&cmd_buff[1]);
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LOG_CRITICAL(Service_ERR, "Fatal error type: %s",
GetErrType(errinfo->errinfo_common.specifier).c_str());
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// Generic Info
LogGenericInfo(errinfo->errinfo_common);
switch (static_cast<FatalErrType>(errinfo->errinfo_common.specifier)) {
case FatalErrType::Generic:
case FatalErrType::Corrupted:
case FatalErrType::CardRemoved:
case FatalErrType::Logged: {
LOG_CRITICAL(Service_ERR, "Datetime: %s", GetCurrentSystemTime().c_str());
break;
}
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case FatalErrType::Exception: {
const auto& errtype = errinfo->exception;
// Register Info
LOG_CRITICAL(Service_ERR, "ARM Registers:");
for (u32 index = 0; index < errtype.exception_data.exception_context.arm_regs.size();
++index) {
if (index < 13) {
LOG_DEBUG(Service_ERR, "r%u=0x%08X", index,
errtype.exception_data.exception_context.arm_regs.at(index));
} else if (index == 13) {
LOG_CRITICAL(Service_ERR, "SP=0x%08X",
errtype.exception_data.exception_context.arm_regs.at(index));
} else if (index == 14) {
LOG_CRITICAL(Service_ERR, "LR=0x%08X",
errtype.exception_data.exception_context.arm_regs.at(index));
} else if (index == 15) {
LOG_CRITICAL(Service_ERR, "PC=0x%08X",
errtype.exception_data.exception_context.arm_regs.at(index));
}
}
LOG_CRITICAL(Service_ERR, "CPSR=0x%08X", errtype.exception_data.exception_context.cpsr);
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// Exception Info
LOG_CRITICAL(
Service_ERR, "EXCEPTION TYPE: %s",
GetExceptionType(errtype.exception_data.exception_info.exception_type).c_str());
switch (static_cast<ExceptionType>(errtype.exception_data.exception_info.exception_type)) {
case ExceptionType::PrefetchAbort:
LOG_CRITICAL(Service_ERR, "IFSR: 0x%08X", errtype.exception_data.exception_info.sr);
LOG_CRITICAL(Service_ERR, "r15: 0x%08X", errtype.exception_data.exception_info.ar);
case ExceptionType::DataAbort:
LOG_CRITICAL(Service_ERR, "DFSR: 0x%08X", errtype.exception_data.exception_info.sr);
LOG_CRITICAL(Service_ERR, "DFAR: 0x%08X", errtype.exception_data.exception_info.ar);
break;
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case ExceptionType::VectorFP:
LOG_CRITICAL(Service_ERR, "FPEXC: 0x%08X",
errtype.exception_data.exception_info.fpinst);
LOG_CRITICAL(Service_ERR, "FINST: 0x%08X",
errtype.exception_data.exception_info.fpinst);
LOG_CRITICAL(Service_ERR, "FINST2: 0x%08X",
errtype.exception_data.exception_info.fpinst2);
break;
case ExceptionType::Undefined:
break; // Not logging exception_info for this case
}
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LOG_CRITICAL(Service_ERR, "Datetime: %s", GetCurrentSystemTime().c_str());
break;
}
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case FatalErrType::ResultFailure: {
const auto& errtype = errinfo->result_failure;
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// Failure Message
LOG_CRITICAL(Service_ERR, "Failure Message: %s", errtype.message);
LOG_CRITICAL(Service_ERR, "Datetime: %s", GetCurrentSystemTime().c_str());
break;
}
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} // switch FatalErrType
cmd_buff[0] = IPC::MakeHeader(0x1, 1, 0);
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
}
const Interface::FunctionInfo FunctionTable[] = {
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// clang-format off
{0x00010800, ThrowFatalError, "ThrowFatalError"},
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{0x00020042, nullptr, "SetUserString"},
// clang-format on
};
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ERR_F::ERR_F() {
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Register(FunctionTable);
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}
} // namespace ERR
} // namespace Service