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Code Issues Releases Activity

set_sys: Use correct error codes in GetFirmwareVersion*

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This commit is contained in:
Zach Hilman 2019-03-10 19:09:23 -04:00
parent ed82bb968a
commit 597c00698d
1 changed files with 41 additions and 21 deletions
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62
src/core/hle/service/set/set_sys.cpp
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@ -2,6 +2,7 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/assert.h"
#include "common/logging/log.h"
#include "core/file_sys/system_archive/system_version.h"
#include "core/hle/ipc_helpers.h"
@ -11,50 +12,63 @@
namespace Service::Set {
void SET_SYS::GetFirmwareVersion(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_SET, "called");
constexpr u64 SYSTEM_VERSION_FILE_MINOR_REVISION_OFFSET = 0x05;
ASSERT(ctx.GetWriteBufferSize() == 0x100,
"FirmwareVersion output buffer must be 0x100 bytes in size!");
constexpr ResultCode ERROR_FAILED_MOUNT_ARCHIVE(ErrorModule::FS, 3223);
constexpr ResultCode ERROR_READ_TOO_LARGE(ErrorModule::FS, 3005);
constexpr ResultCode ERROR_INVALID_NAME(ErrorModule::FS, 6001);
enum class GetFirmwareVersionType {
Version1,
Version2,
};
namespace {
void GetFirmwareVersionImpl(Kernel::HLERequestContext& ctx, GetFirmwareVersionType type) {
LOG_WARNING(
Service_SET,
"called - Using hardcoded firmware version 'YuzuEmulated Firmware for NX 5.1.0-0.0'");
ASSERT_MSG(ctx.GetWriteBufferSize() == 0x100,
"FirmwareVersion output buffer must be 0x100 bytes in size!");
// Instead of using the normal procedure of checking for the real system archive and if it
// doesn't exist, synthesizing one, I feel that that would lead to strange bugs because a used
// is using a really old or really new SystemVersion title. The synthesized one ensures
// doesn't exist, synthesizing one, I feel that that would lead to strange bugs because a
// used is using a really old or really new SystemVersion title. The synthesized one ensures
// consistence (currently reports as 5.1.0-0.0)
const auto archive = FileSys::SystemArchive::SystemVersion();
const auto early_exit_failure = [&ctx](const std::string& desc) {
const auto early_exit_failure = [&ctx](const std::string& desc, ResultCode code) {
LOG_ERROR(Service_SET, "General failure while attempting to resolve firmware version ({}).",
desc.c_str());
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultCode(-1));
rb.Push(code);
};
if (archive == nullptr) {
early_exit_failure("The system version archive couldn't be synthesized.");
early_exit_failure("The system version archive couldn't be synthesized.",
ERROR_FAILED_MOUNT_ARCHIVE);
return;
}
const auto ver_file = archive->GetFile("file");
if (ver_file == nullptr) {
early_exit_failure("The system version archive didn't contain the file 'file'.");
early_exit_failure("The system version archive didn't contain the file 'file'.",
ERROR_INVALID_NAME);
return;
}
auto data = ver_file->ReadAllBytes();
if (data.size() != 0x100) {
early_exit_failure("The system version file 'file' was not the correct size.");
early_exit_failure("The system version file 'file' was not the correct size.",
ERROR_READ_TOO_LARGE);
return;
}
// If the command is GetFirmwareVersion (as opposed to GetFirmwareVersion2), hardware will zero
// out the REVISION_MAJOR and REVISION_MICRO fields, which are u8s at offsets 0x4 and 0x5,
// respectively. This if statement will only execute when the true intended command is
// GetFirmwareVersion, and allows removing duplicate code for the implementation of
// GetFirmwareVersion2.
if (ctx.GetCommand() == 3) {
data[0x4] = 0x0;
data[0x5] = 0x0;
// If the command is GetFirmwareVersion (as opposed to GetFirmwareVersion2), hardware will
// zero out the REVISION_MINOR field.
if (type == GetFirmwareVersionType::Version1) {
data[SYSTEM_VERSION_FILE_MINOR_REVISION_OFFSET] = 0;
}
ctx.WriteBuffer(data);
@ -62,10 +76,16 @@ void SET_SYS::GetFirmwareVersion(Kernel::HLERequestContext& ctx) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
} // namespace
void SET_SYS::GetFirmwareVersion(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_SET, "called");
GetFirmwareVersionImpl(ctx, GetFirmwareVersionType::Version1);
}
void SET_SYS::GetFirmwareVersion2(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_SET, "called - delegating to GetFirmwareVersion");
GetFirmwareVersion(ctx);
LOG_DEBUG(Service_SET, "called");
GetFirmwareVersionImpl(ctx, GetFirmwareVersionType::Version2);
}
void SET_SYS::GetColorSetId(Kernel::HLERequestContext& ctx) {