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Merge pull request #1577 from lioncash/err

kernel/error: Amend error return code values
This commit is contained in:
bunnei 2018-10-25 01:10:26 -04:00 committed by GitHub
commit c94db0e071
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5 changed files with 16 additions and 34 deletions

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@ -14,11 +14,6 @@ namespace IPC {
/// Size of the command buffer area, in 32-bit words.
constexpr std::size_t COMMAND_BUFFER_LENGTH = 0x100 / sizeof(u32);
// These errors are commonly returned by invalid IPC translations, so alias them here for
// convenience.
// TODO(yuriks): These will probably go away once translation is implemented inside the kernel.
constexpr auto ERR_INVALID_HANDLE = Kernel::ERR_INVALID_HANDLE_OS;
enum class ControlCommand : u32 {
ConvertSessionToDomain = 0,
ConvertDomainToSession = 1,

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@ -10,11 +10,6 @@ namespace Kernel {
namespace ErrCodes {
enum {
// TODO(Subv): Remove these 3DS OS error codes.
SessionClosedByRemote = 26,
NoPendingSessions = 35,
InvalidBufferDescriptor = 48,
// Confirmed Switch OS error codes
MaxConnectionsReached = 7,
InvalidSize = 101,
@ -26,6 +21,7 @@ enum {
InvalidThreadPriority = 112,
InvalidProcessorId = 113,
InvalidHandle = 114,
InvalidPointer = 115,
InvalidCombination = 116,
Timeout = 117,
SynchronizationCanceled = 118,
@ -33,6 +29,7 @@ enum {
InvalidEnumValue = 120,
NoSuchEntry = 121,
AlreadyRegistered = 122,
SessionClosed = 123,
InvalidState = 125,
ResourceLimitExceeded = 132,
};
@ -41,18 +38,14 @@ enum {
// WARNING: The kernel is quite inconsistent in it's usage of errors code. Make sure to always
// double check that the code matches before re-using the constant.
// TODO(bunnei): Replace -1 with correct errors for Switch OS
constexpr ResultCode ERR_HANDLE_TABLE_FULL(ErrorModule::Kernel, ErrCodes::HandleTableFull);
constexpr ResultCode ERR_SESSION_CLOSED_BY_REMOTE(-1);
constexpr ResultCode ERR_SESSION_CLOSED_BY_REMOTE(ErrorModule::Kernel, ErrCodes::SessionClosed);
constexpr ResultCode ERR_PORT_NAME_TOO_LONG(ErrorModule::Kernel, ErrCodes::TooLarge);
constexpr ResultCode ERR_MAX_CONNECTIONS_REACHED(ErrorModule::Kernel,
ErrCodes::MaxConnectionsReached);
constexpr ResultCode ERR_INVALID_ENUM_VALUE(ErrorModule::Kernel, ErrCodes::InvalidEnumValue);
constexpr ResultCode ERR_INVALID_ENUM_VALUE_FND(-1);
constexpr ResultCode ERR_INVALID_COMBINATION(-1);
constexpr ResultCode ERR_INVALID_COMBINATION_KERNEL(ErrorModule::Kernel,
ErrCodes::InvalidCombination);
constexpr ResultCode ERR_OUT_OF_MEMORY(-1);
constexpr ResultCode ERR_INVALID_ADDRESS(ErrorModule::Kernel, ErrCodes::InvalidAddress);
constexpr ResultCode ERR_INVALID_ADDRESS_STATE(ErrorModule::Kernel, ErrCodes::InvalidMemoryState);
constexpr ResultCode ERR_INVALID_MEMORY_PERMISSIONS(ErrorModule::Kernel,
@ -65,14 +58,8 @@ constexpr ResultCode ERR_ALREADY_REGISTERED(ErrorModule::Kernel, ErrCodes::Alrea
constexpr ResultCode ERR_INVALID_STATE(ErrorModule::Kernel, ErrCodes::InvalidState);
constexpr ResultCode ERR_INVALID_THREAD_PRIORITY(ErrorModule::Kernel,
ErrCodes::InvalidThreadPriority);
constexpr ResultCode ERR_INVALID_POINTER(-1);
constexpr ResultCode ERR_INVALID_OBJECT_ADDR(-1);
constexpr ResultCode ERR_NOT_AUTHORIZED(-1);
/// Alternate code returned instead of ERR_INVALID_HANDLE in some code paths.
constexpr ResultCode ERR_INVALID_HANDLE_OS(-1);
constexpr ResultCode ERR_INVALID_POINTER(ErrorModule::Kernel, ErrCodes::InvalidPointer);
constexpr ResultCode ERR_NOT_FOUND(ErrorModule::Kernel, ErrCodes::NoSuchEntry);
constexpr ResultCode RESULT_TIMEOUT(ErrorModule::Kernel, ErrCodes::Timeout);
/// Returned when Accept() is called on a port with no sessions to be accepted.
constexpr ResultCode ERR_NO_PENDING_SESSIONS(-1);
} // namespace Kernel

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@ -18,7 +18,7 @@ ServerPort::~ServerPort() = default;
ResultVal<SharedPtr<ServerSession>> ServerPort::Accept() {
if (pending_sessions.empty()) {
return ERR_NO_PENDING_SESSIONS;
return ERR_NOT_FOUND;
}
auto session = std::move(pending_sessions.back());
@ -28,7 +28,7 @@ ResultVal<SharedPtr<ServerSession>> ServerPort::Accept() {
bool ServerPort::ShouldWait(Thread* thread) const {
// If there are no pending sessions, we wait until a new one is added.
return pending_sessions.size() == 0;
return pending_sessions.empty();
}
void ServerPort::Acquire(Thread* thread) {

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@ -80,20 +80,19 @@ SharedPtr<SharedMemory> SharedMemory::CreateForApplet(
ResultCode SharedMemory::Map(Process* target_process, VAddr address, MemoryPermission permissions,
MemoryPermission other_permissions) {
MemoryPermission own_other_permissions =
const MemoryPermission own_other_permissions =
target_process == owner_process ? this->permissions : this->other_permissions;
// Automatically allocated memory blocks can only be mapped with other_permissions = DontCare
if (base_address == 0 && other_permissions != MemoryPermission::DontCare) {
return ERR_INVALID_COMBINATION;
return ERR_INVALID_MEMORY_PERMISSIONS;
}
// Error out if the requested permissions don't match what the creator process allows.
if (static_cast<u32>(permissions) & ~static_cast<u32>(own_other_permissions)) {
LOG_ERROR(Kernel, "cannot map id={}, address=0x{:X} name={}, permissions don't match",
GetObjectId(), address, name);
return ERR_INVALID_COMBINATION;
return ERR_INVALID_MEMORY_PERMISSIONS;
}
// Error out if the provided permissions are not compatible with what the creator process needs.

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@ -594,16 +594,17 @@ static ResultCode SetThreadPriority(Handle handle, u32 priority) {
}
const auto* const current_process = Core::CurrentProcess();
SharedPtr<Thread> thread = current_process->GetHandleTable().Get<Thread>(handle);
if (!thread) {
return ERR_INVALID_HANDLE;
}
// Note: The kernel uses the current process's resource limit instead of
// the one from the thread owner's resource limit.
const ResourceLimit& resource_limit = current_process->GetResourceLimit();
if (resource_limit.GetMaxResourceValue(ResourceType::Priority) > priority) {
return ERR_NOT_AUTHORIZED;
return ERR_INVALID_THREAD_PRIORITY;
}
SharedPtr<Thread> thread = current_process->GetHandleTable().Get<Thread>(handle);
if (!thread) {
return ERR_INVALID_HANDLE;
}
thread->SetPriority(priority);
@ -745,7 +746,7 @@ static ResultCode CreateThread(Handle* out_handle, VAddr entry_point, u64 arg, V
auto* const current_process = Core::CurrentProcess();
const ResourceLimit& resource_limit = current_process->GetResourceLimit();
if (resource_limit.GetMaxResourceValue(ResourceType::Priority) > priority) {
return ERR_NOT_AUTHORIZED;
return ERR_INVALID_THREAD_PRIORITY;
}
if (processor_id == THREADPROCESSORID_DEFAULT) {