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Implemented fatal:u properly (#1347)

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* Implemented fatal:u properly

fatal:u now is properly implemented with all the ipc cmds. Error reports/Crash reports are also now implemented for fatal:u. Crash reports save to yuzu/logs/crash_reports/
The register dump is currently known as sysmodules send all zeros. If there are any non zero values for the "registers" or the unknown values, let me know!

* Fatal:U fixups

* Made fatal:u execution break more clear

* Fatal fixups
This commit is contained in:
David 2018-09-24 12:34:11 +10:00 committed by bunnei
parent 2513e086ab
commit 367c52ff0d
3 changed files with 140 additions and 4 deletions
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141
src/core/hle/service/fatal/fatal.cpp
View file

@ -2,8 +2,17 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <array>
#include <cstring>
#include <ctime>
#include <fmt/time.h>
#include "common/common_paths.h"
#include "common/file_util.h"
#include "common/logging/log.h"
#include "common/scm_rev.h"
#include "common/swap.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/process.h"
#include "core/hle/service/fatal/fatal.h"
#include "core/hle/service/fatal/fatal_p.h"
#include "core/hle/service/fatal/fatal_u.h"
@ -15,16 +24,142 @@ Module::Interface::Interface(std::shared_ptr<Module> module, const char* name)
Module::Interface::~Interface() = default;
struct FatalInfo {
std::array<u64_le, 31> registers{}; // TODO(ogniK): See if this actually is registers or
// not(find a game which has non zero valeus)
u64_le unk0{};
u64_le unk1{};
u64_le unk2{};
u64_le unk3{};
u64_le unk4{};
u64_le unk5{};
u64_le unk6{};
std::array<u64_le, 32> backtrace{};
u64_le unk7{};
u64_le unk8{};
u32_le backtrace_size{};
u32_le unk9{};
u32_le unk10{}; // TODO(ogniK): Is this even used or is it just padding?
};
static_assert(sizeof(FatalInfo) == 0x250, "FatalInfo is an invalid size");
enum class FatalType : u32 {
ErrorReportAndScreen = 0,
ErrorReport = 1,
ErrorScreen = 2,
};
static void GenerateErrorReport(ResultCode error_code, const FatalInfo& info) {
const auto title_id = Core::CurrentProcess()->program_id;
std::string crash_report =
fmt::format("Yuzu {}-{} crash report\n"
"Title ID: {:016x}\n"
"Result: 0x{:X} ({:04}-{:04d})\n"
"\n",
Common::g_scm_branch, Common::g_scm_desc, title_id, error_code.raw,
2000 + static_cast<u32>(error_code.module.Value()),
static_cast<u32>(error_code.description.Value()), info.unk8, info.unk7);
if (info.backtrace_size != 0x0) {
crash_report += "Registers:\n";
// TODO(ogniK): This is just a guess, find a game which actually has non zero values
for (size_t i = 0; i < info.registers.size(); i++) {
crash_report +=
fmt::format(" X[{:02d}]: {:016x}\n", i, info.registers[i]);
}
crash_report += fmt::format(" Unknown 0: {:016x}\n", info.unk0);
crash_report += fmt::format(" Unknown 1: {:016x}\n", info.unk1);
crash_report += fmt::format(" Unknown 2: {:016x}\n", info.unk2);
crash_report += fmt::format(" Unknown 3: {:016x}\n", info.unk3);
crash_report += fmt::format(" Unknown 4: {:016x}\n", info.unk4);
crash_report += fmt::format(" Unknown 5: {:016x}\n", info.unk5);
crash_report += fmt::format(" Unknown 6: {:016x}\n", info.unk6);
crash_report += "\nBacktrace:\n";
for (size_t i = 0; i < info.backtrace_size; i++) {
crash_report +=
fmt::format(" Backtrace[{:02d}]: {:016x}\n", i, info.backtrace[i]);
}
crash_report += fmt::format("\nUnknown 7: 0x{:016x}\n", info.unk7);
crash_report += fmt::format("Unknown 8: 0x{:016x}\n", info.unk8);
crash_report += fmt::format("Unknown 9: 0x{:016x}\n", info.unk9);
crash_report += fmt::format("Unknown 10: 0x{:016x}\n", info.unk10);
}
LOG_ERROR(Service_Fatal, "{}", crash_report);
const std::string crashreport_dir =
FileUtil::GetUserPath(FileUtil::UserPath::LogDir) + "crash_logs";
if (!FileUtil::CreateFullPath(crashreport_dir)) {
LOG_ERROR(
Service_Fatal,
"Unable to create crash report directory. Possible log directory permissions issue.");
return;
}
const std::time_t t = std::time(nullptr);
const std::string crashreport_filename =
fmt::format("{}/{:016x}-{:%F-%H%M%S}.log", crashreport_dir, title_id, *std::localtime(&t));
auto file = FileUtil::IOFile(crashreport_filename, "wb");
if (file.IsOpen()) {
file.WriteString(crash_report);
LOG_ERROR(Service_Fatal, "Saving error report to {}", crashreport_filename);
} else {
LOG_ERROR(Service_Fatal, "Failed to save error report to {}", crashreport_filename);
}
}
static void ThrowFatalError(ResultCode error_code, FatalType fatal_type, const FatalInfo& info) {
LOG_ERROR(Service_Fatal, "Threw fatal error type {}", static_cast<u32>(fatal_type));
switch (fatal_type) {
case FatalType::ErrorReportAndScreen:
GenerateErrorReport(error_code, info);
[[fallthrough]];
case FatalType::ErrorScreen:
// Since we have no fatal:u error screen. We should just kill execution instead
ASSERT(false);
break;
// Should not throw a fatal screen but should generate an error report
case FatalType::ErrorReport:
GenerateErrorReport(error_code, info);
break;
};
}
void Module::Interface::ThrowFatal(Kernel::HLERequestContext& ctx) {
LOG_ERROR(Service_Fatal, "called");
IPC::RequestParser rp{ctx};
auto error_code = rp.Pop<ResultCode>();
ThrowFatalError(error_code, FatalType::ErrorScreen, {});
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
void Module::Interface::ThrowFatalWithPolicy(Kernel::HLERequestContext& ctx) {
LOG_ERROR(Service_Fatal, "called");
IPC::RequestParser rp(ctx);
u32 error_code = rp.Pop<u32>();
LOG_WARNING(Service_Fatal, "(STUBBED) called, error_code=0x{:X}", error_code);
auto error_code = rp.Pop<ResultCode>();
auto fatal_type = rp.PopEnum<FatalType>();
ThrowFatalError(error_code, fatal_type, {}); // No info is passed with ThrowFatalWithPolicy
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
void Module::Interface::ThrowFatalWithCpuContext(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_Fatal, "(STUBBED) called");
LOG_ERROR(Service_Fatal, "called");
IPC::RequestParser rp(ctx);
auto error_code = rp.Pop<ResultCode>();
auto fatal_type = rp.PopEnum<FatalType>();
auto fatal_info = ctx.ReadBuffer();
FatalInfo info{};
ASSERT_MSG(fatal_info.size() == sizeof(FatalInfo), "Invalid fatal info buffer size!");
std::memcpy(&info, fatal_info.data(), sizeof(FatalInfo));
ThrowFatalError(error_code, fatal_type, info);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}

1
src/core/hle/service/fatal/fatal.h
View file

@ -15,6 +15,7 @@ public:
explicit Interface(std::shared_ptr<Module> module, const char* name);
~Interface() override;
void ThrowFatal(Kernel::HLERequestContext& ctx);
void ThrowFatalWithPolicy(Kernel::HLERequestContext& ctx);
void ThrowFatalWithCpuContext(Kernel::HLERequestContext& ctx);

2
src/core/hle/service/fatal/fatal_u.cpp
View file

@ -8,7 +8,7 @@ namespace Service::Fatal {
Fatal_U::Fatal_U(std::shared_ptr<Module> module) : Module::Interface(std::move(module), "fatal:u") {
static const FunctionInfo functions[] = {
{0, nullptr, "ThrowFatal"},
{0, &Fatal_U::ThrowFatal, "ThrowFatal"},
{1, &Fatal_U::ThrowFatalWithPolicy, "ThrowFatalWithPolicy"},
{2, &Fatal_U::ThrowFatalWithCpuContext, "ThrowFatalWithCpuContext"},
};