From 34e40129989e446db7233c9b757d4ebd48af7e75 Mon Sep 17 00:00:00 2001
From: Liam <byteslice@airmail.cc>
Date: Sat, 9 Dec 2023 11:22:42 -0500
Subject: [PATCH 1/3] service: use interface factory in server manager
---
src/core/hle/service/hle_ipc.h | 1 +
src/core/hle/service/server_manager.cpp | 32 ++++++++++++++++---------
src/core/hle/service/server_manager.h | 14 +++++------
src/core/hle/service/sm/sm.cpp | 6 +++--
src/core/hle/service/sm/sm.h | 7 +++---
5 files changed, 37 insertions(+), 23 deletions(-)
diff --git a/src/core/hle/service/hle_ipc.h b/src/core/hle/service/hle_ipc.h
index ad5259a5c..4436f4f83 100644
--- a/src/core/hle/service/hle_ipc.h
+++ b/src/core/hle/service/hle_ipc.h
@@ -75,6 +75,7 @@ protected:
using SessionRequestHandlerWeakPtr = std::weak_ptr<SessionRequestHandler>;
using SessionRequestHandlerPtr = std::shared_ptr<SessionRequestHandler>;
+using SessionRequestHandlerFactory = std::function<SessionRequestHandlerPtr()>;
/**
* Manages the underlying HLE requests for a session, and whether (or not) the session should be
diff --git a/src/core/hle/service/server_manager.cpp b/src/core/hle/service/server_manager.cpp
index e2e399534..6808247a9 100644
--- a/src/core/hle/service/server_manager.cpp
+++ b/src/core/hle/service/server_manager.cpp
@@ -93,13 +93,13 @@ Result ServerManager::RegisterSession(Kernel::KServerSession* session,
}
Result ServerManager::RegisterNamedService(const std::string& service_name,
- std::shared_ptr<SessionRequestHandler>&& handler,
+ SessionRequestHandlerFactory&& handler_factory,
u32 max_sessions) {
ASSERT(m_sessions.size() + m_ports.size() < MaximumWaitObjects);
// Add the new server to sm:.
ASSERT(R_SUCCEEDED(
- m_system.ServiceManager().RegisterService(service_name, max_sessions, handler)));
+ m_system.ServiceManager().RegisterService(service_name, max_sessions, handler_factory)));
// Get the registered port.
Kernel::KPort* port{};
@@ -112,7 +112,7 @@ Result ServerManager::RegisterNamedService(const std::string& service_name,
// Begin tracking the server port.
{
std::scoped_lock ll{m_list_mutex};
- m_ports.emplace(std::addressof(port->GetServerPort()), std::move(handler));
+ m_ports.emplace(std::addressof(port->GetServerPort()), std::move(handler_factory));
}
// Signal the wakeup event.
@@ -121,8 +121,18 @@ Result ServerManager::RegisterNamedService(const std::string& service_name,
R_SUCCEED();
}
+Result ServerManager::RegisterNamedService(const std::string& service_name,
+ std::shared_ptr<SessionRequestHandler>&& handler,
+ u32 max_sessions) {
+ // Make the factory.
+ const auto HandlerFactory = [handler]() { return handler; };
+
+ // Register the service with the new factory.
+ R_RETURN(this->RegisterNamedService(service_name, std::move(HandlerFactory), max_sessions));
+}
+
Result ServerManager::ManageNamedPort(const std::string& service_name,
- std::shared_ptr<SessionRequestHandler>&& handler,
+ SessionRequestHandlerFactory&& handler_factory,
u32 max_sessions) {
ASSERT(m_sessions.size() + m_ports.size() < MaximumWaitObjects);
@@ -149,7 +159,7 @@ Result ServerManager::ManageNamedPort(const std::string& service_name,
// Begin tracking the server port.
{
std::scoped_lock ll{m_list_mutex};
- m_ports.emplace(std::addressof(port->GetServerPort()), std::move(handler));
+ m_ports.emplace(std::addressof(port->GetServerPort()), std::move(handler_factory));
}
// We succeeded.
@@ -269,13 +279,13 @@ Result ServerManager::WaitAndProcessImpl() {
case HandleType::Port: {
// Port signaled.
auto* port = wait_obj->DynamicCast<Kernel::KServerPort*>();
- std::shared_ptr<SessionRequestHandler> handler;
+ SessionRequestHandlerFactory handler_factory;
// Remove from tracking.
{
std::scoped_lock ll{m_list_mutex};
ASSERT(m_ports.contains(port));
- m_ports.at(port).swap(handler);
+ m_ports.at(port).swap(handler_factory);
m_ports.erase(port);
}
@@ -283,7 +293,7 @@ Result ServerManager::WaitAndProcessImpl() {
sl.unlock();
// Finish.
- R_RETURN(this->OnPortEvent(port, std::move(handler)));
+ R_RETURN(this->OnPortEvent(port, std::move(handler_factory)));
}
case HandleType::Session: {
// Session signaled.
@@ -333,19 +343,19 @@ Result ServerManager::WaitAndProcessImpl() {
}
Result ServerManager::OnPortEvent(Kernel::KServerPort* port,
- std::shared_ptr<SessionRequestHandler>&& handler) {
+ SessionRequestHandlerFactory&& handler_factory) {
// Accept a new server session.
Kernel::KServerSession* session = port->AcceptSession();
ASSERT(session != nullptr);
// Create the session manager and install the handler.
auto manager = std::make_shared<SessionRequestManager>(m_system.Kernel(), *this);
- manager->SetSessionHandler(std::shared_ptr(handler));
+ manager->SetSessionHandler(handler_factory());
// Track the server session.
{
std::scoped_lock ll{m_list_mutex};
- m_ports.emplace(port, std::move(handler));
+ m_ports.emplace(port, std::move(handler_factory));
m_sessions.emplace(session, std::move(manager));
}
diff --git a/src/core/hle/service/server_manager.h b/src/core/hle/service/server_manager.h
index 58b0a0832..c4bc07262 100644
--- a/src/core/hle/service/server_manager.h
+++ b/src/core/hle/service/server_manager.h
@@ -13,6 +13,7 @@
#include "common/polyfill_thread.h"
#include "common/thread.h"
#include "core/hle/result.h"
+#include "core/hle/service/hle_ipc.h"
#include "core/hle/service/mutex.h"
namespace Core {
@@ -28,10 +29,6 @@ class KSynchronizationObject;
namespace Service {
-class HLERequestContext;
-class SessionRequestHandler;
-class SessionRequestManager;
-
class ServerManager {
public:
explicit ServerManager(Core::System& system);
@@ -39,11 +36,14 @@ public:
Result RegisterSession(Kernel::KServerSession* session,
std::shared_ptr<SessionRequestManager> manager);
+ Result RegisterNamedService(const std::string& service_name,
+ SessionRequestHandlerFactory&& handler_factory,
+ u32 max_sessions = 64);
Result RegisterNamedService(const std::string& service_name,
std::shared_ptr<SessionRequestHandler>&& handler,
u32 max_sessions = 64);
Result ManageNamedPort(const std::string& service_name,
- std::shared_ptr<SessionRequestHandler>&& handler, u32 max_sessions = 64);
+ SessionRequestHandlerFactory&& handler_factory, u32 max_sessions = 64);
Result ManageDeferral(Kernel::KEvent** out_event);
Result LoopProcess();
@@ -56,7 +56,7 @@ private:
Result LoopProcessImpl();
Result WaitAndProcessImpl();
- Result OnPortEvent(Kernel::KServerPort* port, std::shared_ptr<SessionRequestHandler>&& handler);
+ Result OnPortEvent(Kernel::KServerPort* port, SessionRequestHandlerFactory&& handler_factory);
Result OnSessionEvent(Kernel::KServerSession* session,
std::shared_ptr<SessionRequestManager>&& manager);
Result OnDeferralEvent(std::list<RequestState>&& deferrals);
@@ -68,7 +68,7 @@ private:
std::mutex m_list_mutex;
// Guest state tracking
- std::map<Kernel::KServerPort*, std::shared_ptr<SessionRequestHandler>> m_ports{};
+ std::map<Kernel::KServerPort*, SessionRequestHandlerFactory> m_ports{};
std::map<Kernel::KServerSession*, std::shared_ptr<SessionRequestManager>> m_sessions{};
Kernel::KEvent* m_event{};
Kernel::KEvent* m_deferral_event{};
diff --git a/src/core/hle/service/sm/sm.cpp b/src/core/hle/service/sm/sm.cpp
index 9ab718e0a..53209537f 100644
--- a/src/core/hle/service/sm/sm.cpp
+++ b/src/core/hle/service/sm/sm.cpp
@@ -51,7 +51,7 @@ static Result ValidateServiceName(const std::string& name) {
}
Result ServiceManager::RegisterService(std::string name, u32 max_sessions,
- SessionRequestHandlerPtr handler) {
+ SessionRequestHandlerFactory handler) {
R_TRY(ValidateServiceName(name));
std::scoped_lock lk{lock};
@@ -264,7 +264,9 @@ void LoopProcess(Core::System& system) {
server_manager->ManageDeferral(&deferral_event);
service_manager.SetDeferralEvent(deferral_event);
- server_manager->ManageNamedPort("sm:", std::make_shared<SM>(system.ServiceManager(), system));
+ auto sm_service = std::make_shared<SM>(system.ServiceManager(), system);
+ server_manager->ManageNamedPort("sm:", [sm_service] { return sm_service; });
+
ServerManager::RunServer(std::move(server_manager));
}
diff --git a/src/core/hle/service/sm/sm.h b/src/core/hle/service/sm/sm.h
index 14bfaf8c2..cf102c339 100644
--- a/src/core/hle/service/sm/sm.h
+++ b/src/core/hle/service/sm/sm.h
@@ -53,7 +53,8 @@ public:
explicit ServiceManager(Kernel::KernelCore& kernel_);
~ServiceManager();
- Result RegisterService(std::string name, u32 max_sessions, SessionRequestHandlerPtr handler);
+ Result RegisterService(std::string name, u32 max_sessions,
+ SessionRequestHandlerFactory handler_factory);
Result UnregisterService(const std::string& name);
Result GetServicePort(Kernel::KPort** out_port, const std::string& name);
@@ -64,7 +65,7 @@ public:
LOG_DEBUG(Service, "Can't find service: {}", service_name);
return nullptr;
}
- return std::static_pointer_cast<T>(service->second);
+ return std::static_pointer_cast<T>(service->second());
}
void InvokeControlRequest(HLERequestContext& context);
@@ -79,7 +80,7 @@ private:
/// Map of registered services, retrieved using GetServicePort.
std::mutex lock;
- std::unordered_map<std::string, SessionRequestHandlerPtr> registered_services;
+ std::unordered_map<std::string, SessionRequestHandlerFactory> registered_services;
std::unordered_map<std::string, Kernel::KPort*> service_ports;
/// Kernel context
From 5feda37688cafee8054910cd05916742c8263f89 Mon Sep 17 00:00:00 2001
From: Liam <byteslice@airmail.cc>
Date: Sat, 9 Dec 2023 11:25:21 -0500
Subject: [PATCH 2/3] service: populate pid and handle table from client
---
src/core/hle/kernel/k_server_session.cpp | 3 +--
src/core/hle/service/hle_ipc.cpp | 15 +++++++++------
src/core/hle/service/hle_ipc.h | 14 +++++++++-----
3 files changed, 19 insertions(+), 13 deletions(-)
diff --git a/src/core/hle/kernel/k_server_session.cpp b/src/core/hle/kernel/k_server_session.cpp
index 3ea653163..598ec7878 100644
--- a/src/core/hle/kernel/k_server_session.cpp
+++ b/src/core/hle/kernel/k_server_session.cpp
@@ -462,8 +462,7 @@ Result KServerSession::ReceiveRequest(std::shared_ptr<Service::HLERequestContext
std::make_shared<Service::HLERequestContext>(m_kernel, memory, this, client_thread);
(*out_context)->SetSessionRequestManager(manager);
(*out_context)
- ->PopulateFromIncomingCommandBuffer(client_thread->GetOwnerProcess()->GetHandleTable(),
- cmd_buf);
+ ->PopulateFromIncomingCommandBuffer(*client_thread->GetOwnerProcess(), cmd_buf);
} else {
KThread* server_thread = GetCurrentThreadPointer(m_kernel);
KProcess& src_process = *client_thread->GetOwnerProcess();
diff --git a/src/core/hle/service/hle_ipc.cpp b/src/core/hle/service/hle_ipc.cpp
index ff374ae39..38955932c 100644
--- a/src/core/hle/service/hle_ipc.cpp
+++ b/src/core/hle/service/hle_ipc.cpp
@@ -146,8 +146,10 @@ HLERequestContext::HLERequestContext(Kernel::KernelCore& kernel_, Core::Memory::
HLERequestContext::~HLERequestContext() = default;
-void HLERequestContext::ParseCommandBuffer(const Kernel::KHandleTable& handle_table,
- u32_le* src_cmdbuf, bool incoming) {
+void HLERequestContext::ParseCommandBuffer(Kernel::KProcess& process, u32_le* src_cmdbuf,
+ bool incoming) {
+ client_handle_table = &process.GetHandleTable();
+
IPC::RequestParser rp(src_cmdbuf);
command_header = rp.PopRaw<IPC::CommandHeader>();
@@ -160,7 +162,8 @@ void HLERequestContext::ParseCommandBuffer(const Kernel::KHandleTable& handle_ta
if (command_header->enable_handle_descriptor) {
handle_descriptor_header = rp.PopRaw<IPC::HandleDescriptorHeader>();
if (handle_descriptor_header->send_current_pid) {
- pid = rp.Pop<u64>();
+ pid = process.GetProcessId();
+ rp.Skip(2, false);
}
if (incoming) {
// Populate the object lists with the data in the IPC request.
@@ -267,9 +270,9 @@ void HLERequestContext::ParseCommandBuffer(const Kernel::KHandleTable& handle_ta
rp.Skip(1, false); // The command is actually an u64, but we don't use the high part.
}
-Result HLERequestContext::PopulateFromIncomingCommandBuffer(
- const Kernel::KHandleTable& handle_table, u32_le* src_cmdbuf) {
- ParseCommandBuffer(handle_table, src_cmdbuf, true);
+Result HLERequestContext::PopulateFromIncomingCommandBuffer(Kernel::KProcess& process,
+ u32_le* src_cmdbuf) {
+ ParseCommandBuffer(process, src_cmdbuf, true);
if (command_header->IsCloseCommand()) {
// Close does not populate the rest of the IPC header
diff --git a/src/core/hle/service/hle_ipc.h b/src/core/hle/service/hle_ipc.h
index 4436f4f83..18d464c63 100644
--- a/src/core/hle/service/hle_ipc.h
+++ b/src/core/hle/service/hle_ipc.h
@@ -38,6 +38,7 @@ namespace Kernel {
class KAutoObject;
class KernelCore;
class KHandleTable;
+class KProcess;
class KServerSession;
class KThread;
} // namespace Kernel
@@ -195,8 +196,7 @@ public:
}
/// Populates this context with data from the requesting process/thread.
- Result PopulateFromIncomingCommandBuffer(const Kernel::KHandleTable& handle_table,
- u32_le* src_cmdbuf);
+ Result PopulateFromIncomingCommandBuffer(Kernel::KProcess& process, u32_le* src_cmdbuf);
/// Writes data from this context back to the requesting process/thread.
Result WriteToOutgoingCommandBuffer(Kernel::KThread& requesting_thread);
@@ -359,6 +359,10 @@ public:
return *thread;
}
+ Kernel::KHandleTable& GetClientHandleTable() {
+ return *client_handle_table;
+ }
+
[[nodiscard]] std::shared_ptr<SessionRequestManager> GetManager() const {
return manager.lock();
}
@@ -374,12 +378,12 @@ public:
private:
friend class IPC::ResponseBuilder;
- void ParseCommandBuffer(const Kernel::KHandleTable& handle_table, u32_le* src_cmdbuf,
- bool incoming);
+ void ParseCommandBuffer(Kernel::KProcess& process, u32_le* src_cmdbuf, bool incoming);
std::array<u32, IPC::COMMAND_BUFFER_LENGTH> cmd_buf;
Kernel::KServerSession* server_session{};
- Kernel::KThread* thread;
+ Kernel::KHandleTable* client_handle_table{};
+ Kernel::KThread* thread{};
std::vector<Handle> incoming_move_handles;
std::vector<Handle> incoming_copy_handles;
From 7ba4a8f4a305a8f5136cd745b73c30becdf7c975 Mon Sep 17 00:00:00 2001
From: Liam <byteslice@airmail.cc>
Date: Fri, 8 Dec 2023 21:10:42 -0500
Subject: [PATCH 3/3] ro: add separate ro service
---
src/core/CMakeLists.txt | 6 +
src/core/hle/service/ldr/ldr.cpp | 634 --------------------
src/core/hle/service/ro/ro.cpp | 709 +++++++++++++++++++++++
src/core/hle/service/ro/ro.h | 14 +
src/core/hle/service/ro/ro_nro_utils.cpp | 185 ++++++
src/core/hle/service/ro/ro_nro_utils.h | 26 +
src/core/hle/service/ro/ro_results.h | 24 +
src/core/hle/service/ro/ro_types.h | 181 ++++++
src/core/hle/service/service.cpp | 2 +
9 files changed, 1147 insertions(+), 634 deletions(-)
create mode 100644 src/core/hle/service/ro/ro.cpp
create mode 100644 src/core/hle/service/ro/ro.h
create mode 100644 src/core/hle/service/ro/ro_nro_utils.cpp
create mode 100644 src/core/hle/service/ro/ro_nro_utils.h
create mode 100644 src/core/hle/service/ro/ro_results.h
create mode 100644 src/core/hle/service/ro/ro_types.h
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index b483fd975..12e0534c4 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -766,6 +766,12 @@ add_library(core STATIC
hle/service/kernel_helpers.h
hle/service/mutex.cpp
hle/service/mutex.h
+ hle/service/ro/ro_nro_utils.cpp
+ hle/service/ro/ro_nro_utils.h
+ hle/service/ro/ro_results.h
+ hle/service/ro/ro_types.h
+ hle/service/ro/ro.cpp
+ hle/service/ro/ro.h
hle/service/server_manager.cpp
hle/service/server_manager.h
hle/service/service.cpp
diff --git a/src/core/hle/service/ldr/ldr.cpp b/src/core/hle/service/ldr/ldr.cpp
index 97b6a9385..ba58b3a09 100644
--- a/src/core/hle/service/ldr/ldr.cpp
+++ b/src/core/hle/service/ldr/ldr.cpp
@@ -1,117 +1,12 @@
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
-#include <memory>
-#include <fmt/format.h>
-#include <mbedtls/sha256.h>
-
-#include "common/alignment.h"
-#include "common/hex_util.h"
-#include "common/scope_exit.h"
-#include "core/core.h"
-#include "core/hle/kernel/k_page_table.h"
-#include "core/hle/kernel/svc_results.h"
-#include "core/hle/kernel/svc_types.h"
-#include "core/hle/service/ipc_helpers.h"
#include "core/hle/service/ldr/ldr.h"
#include "core/hle/service/server_manager.h"
#include "core/hle/service/service.h"
-#include "core/loader/nro.h"
-#include "core/memory.h"
namespace Service::LDR {
-constexpr Result ERROR_INSUFFICIENT_ADDRESS_SPACE{ErrorModule::RO, 2};
-
-[[maybe_unused]] constexpr Result ERROR_INVALID_MEMORY_STATE{ErrorModule::Loader, 51};
-constexpr Result ERROR_INVALID_NRO{ErrorModule::Loader, 52};
-constexpr Result ERROR_INVALID_NRR{ErrorModule::Loader, 53};
-constexpr Result ERROR_MISSING_NRR_HASH{ErrorModule::Loader, 54};
-constexpr Result ERROR_MAXIMUM_NRO{ErrorModule::Loader, 55};
-constexpr Result ERROR_MAXIMUM_NRR{ErrorModule::Loader, 56};
-constexpr Result ERROR_ALREADY_LOADED{ErrorModule::Loader, 57};
-constexpr Result ERROR_INVALID_ALIGNMENT{ErrorModule::Loader, 81};
-constexpr Result ERROR_INVALID_SIZE{ErrorModule::Loader, 82};
-constexpr Result ERROR_INVALID_NRO_ADDRESS{ErrorModule::Loader, 84};
-[[maybe_unused]] constexpr Result ERROR_INVALID_NRR_ADDRESS{ErrorModule::Loader, 85};
-constexpr Result ERROR_NOT_INITIALIZED{ErrorModule::Loader, 87};
-
-constexpr std::size_t MAXIMUM_LOADED_RO{0x40};
-constexpr std::size_t MAXIMUM_MAP_RETRIES{0x200};
-
-constexpr std::size_t TEXT_INDEX{0};
-constexpr std::size_t RO_INDEX{1};
-constexpr std::size_t DATA_INDEX{2};
-
-struct NRRCertification {
- u64_le application_id_mask;
- u64_le application_id_pattern;
- INSERT_PADDING_BYTES(0x10);
- std::array<u8, 0x100> public_key; // Also known as modulus
- std::array<u8, 0x100> signature;
-};
-static_assert(sizeof(NRRCertification) == 0x220, "NRRCertification has invalid size.");
-
-struct NRRHeader {
- u32_le magic;
- u32_le certification_signature_key_generation; // 9.0.0+
- INSERT_PADDING_WORDS(2);
- NRRCertification certification;
- std::array<u8, 0x100> signature;
- u64_le application_id;
- u32_le size;
- u8 nrr_kind; // 7.0.0+
- INSERT_PADDING_BYTES(3);
- u32_le hash_offset;
- u32_le hash_count;
- INSERT_PADDING_WORDS(2);
-};
-static_assert(sizeof(NRRHeader) == 0x350, "NRRHeader has invalid size.");
-
-struct SegmentHeader {
- u32_le memory_offset;
- u32_le memory_size;
-};
-static_assert(sizeof(SegmentHeader) == 0x8, "SegmentHeader has invalid size.");
-
-struct NROHeader {
- // Switchbrew calls this "Start" (0x10)
- INSERT_PADDING_WORDS(1);
- u32_le mod_offset;
- INSERT_PADDING_WORDS(2);
-
- // Switchbrew calls this "Header" (0x70)
- u32_le magic;
- u32_le version;
- u32_le nro_size;
- u32_le flags;
- // .text, .ro, .data
- std::array<SegmentHeader, 3> segment_headers;
- u32_le bss_size;
- INSERT_PADDING_WORDS(1);
- std::array<u8, 0x20> build_id;
- u32_le dso_handle_offset;
- INSERT_PADDING_WORDS(1);
- // .apiInfo, .dynstr, .dynsym
- std::array<SegmentHeader, 3> segment_headers_2;
-};
-static_assert(sizeof(NROHeader) == 0x80, "NROHeader has invalid size.");
-
-using SHA256Hash = std::array<u8, 0x20>;
-
-struct NROInfo {
- SHA256Hash hash{};
- VAddr nro_address{};
- std::size_t nro_size{};
- VAddr bss_address{};
- std::size_t bss_size{};
- std::size_t text_size{};
- std::size_t ro_size{};
- std::size_t data_size{};
- VAddr src_addr{};
-};
-static_assert(sizeof(NROInfo) == 0x60, "NROInfo has invalid size.");
-
class DebugMonitor final : public ServiceFramework<DebugMonitor> {
public:
explicit DebugMonitor(Core::System& system_) : ServiceFramework{system_, "ldr:dmnt"} {
@@ -158,541 +53,12 @@ public:
}
};
-class RelocatableObject final : public ServiceFramework<RelocatableObject> {
-public:
- explicit RelocatableObject(Core::System& system_) : ServiceFramework{system_, "ldr:ro"} {
- // clang-format off
- static const FunctionInfo functions[] = {
- {0, &RelocatableObject::LoadModule, "LoadModule"},
- {1, &RelocatableObject::UnloadModule, "UnloadModule"},
- {2, &RelocatableObject::RegisterModuleInfo, "RegisterModuleInfo"},
- {3, &RelocatableObject::UnregisterModuleInfo, "UnregisterModuleInfo"},
- {4, &RelocatableObject::Initialize, "Initialize"},
- {10, nullptr, "RegisterModuleInfo2"},
- };
- // clang-format on
-
- RegisterHandlers(functions);
- }
-
- void RegisterModuleInfo(HLERequestContext& ctx) {
- struct Parameters {
- u64_le process_id;
- u64_le nrr_address;
- u64_le nrr_size;
- };
-
- IPC::RequestParser rp{ctx};
- const auto [process_id, nrr_address, nrr_size] = rp.PopRaw<Parameters>();
-
- LOG_DEBUG(Service_LDR,
- "called with process_id={:016X}, nrr_address={:016X}, nrr_size={:016X}",
- process_id, nrr_address, nrr_size);
-
- if (!initialized) {
- LOG_ERROR(Service_LDR, "LDR:RO not initialized before use!");
- IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(ERROR_NOT_INITIALIZED);
- return;
- }
-
- if (nrr.size() >= MAXIMUM_LOADED_RO) {
- LOG_ERROR(Service_LDR, "Loading new NRR would exceed the maximum number of loaded NRRs "
- "(0x40)! Failing...");
- IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(ERROR_MAXIMUM_NRR);
- return;
- }
-
- // NRR Address does not fall on 0x1000 byte boundary
- if (!Common::Is4KBAligned(nrr_address)) {
- LOG_ERROR(Service_LDR, "NRR Address has invalid alignment (actual {:016X})!",
- nrr_address);
- IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(ERROR_INVALID_ALIGNMENT);
- return;
- }
-
- // NRR Size is zero or causes overflow
- if (nrr_address + nrr_size <= nrr_address || nrr_size == 0 ||
- !Common::Is4KBAligned(nrr_size)) {
- LOG_ERROR(Service_LDR, "NRR Size is invalid! (nrr_address={:016X}, nrr_size={:016X})",
- nrr_address, nrr_size);
- IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(ERROR_INVALID_SIZE);
- return;
- }
-
- // Read NRR data from memory
- std::vector<u8> nrr_data(nrr_size);
- system.ApplicationMemory().ReadBlock(nrr_address, nrr_data.data(), nrr_size);
- NRRHeader header;
- std::memcpy(&header, nrr_data.data(), sizeof(NRRHeader));
-
- if (header.magic != Common::MakeMagic('N', 'R', 'R', '0')) {
- LOG_ERROR(Service_LDR, "NRR did not have magic 'NRR0' (actual {:08X})!", header.magic);
- IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(ERROR_INVALID_NRR);
- return;
- }
-
- if (header.size != nrr_size) {
- LOG_ERROR(Service_LDR,
- "NRR header reported size did not match LoadNrr parameter size! "
- "(header_size={:016X}, loadnrr_size={:016X})",
- header.size, nrr_size);
- IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(ERROR_INVALID_SIZE);
- return;
- }
-
- if (system.GetApplicationProcessProgramID() != header.application_id) {
- LOG_ERROR(Service_LDR,
- "Attempting to load NRR with title ID other than current process. (actual "
- "{:016X})!",
- header.application_id);
- IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(ERROR_INVALID_NRR);
- return;
- }
-
- std::vector<SHA256Hash> hashes;
-
- // Copy all hashes in the NRR (specified by hash count/hash offset) into vector.
- for (std::size_t i = header.hash_offset;
- i < (header.hash_offset + (header.hash_count * sizeof(SHA256Hash))); i += 8) {
- SHA256Hash hash;
- std::memcpy(hash.data(), nrr_data.data() + i, sizeof(SHA256Hash));
- hashes.emplace_back(hash);
- }
-
- nrr.insert_or_assign(nrr_address, std::move(hashes));
-
- IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(ResultSuccess);
- }
-
- void UnregisterModuleInfo(HLERequestContext& ctx) {
- IPC::RequestParser rp{ctx};
- const auto pid = rp.Pop<u64>();
- const auto nrr_address = rp.Pop<VAddr>();
-
- LOG_DEBUG(Service_LDR, "called with pid={}, nrr_address={:016X}", pid, nrr_address);
-
- nrr.erase(nrr_address);
-
- IPC::ResponseBuilder rb{ctx, 2};
-
- rb.Push(ResultSuccess);
- }
-
- bool ValidateRegionForMap(Kernel::KProcessPageTable& page_table, VAddr start,
- std::size_t size) const {
- const std::size_t padding_size{page_table.GetNumGuardPages() * Kernel::PageSize};
-
- Kernel::KMemoryInfo start_info;
- Kernel::Svc::PageInfo page_info;
- R_ASSERT(
- page_table.QueryInfo(std::addressof(start_info), std::addressof(page_info), start - 1));
-
- if (start_info.GetState() != Kernel::KMemoryState::Free) {
- return {};
- }
-
- if (start_info.GetAddress() > (start - padding_size)) {
- return {};
- }
-
- Kernel::KMemoryInfo end_info;
- R_ASSERT(page_table.QueryInfo(std::addressof(end_info), std::addressof(page_info),
- start + size));
-
- if (end_info.GetState() != Kernel::KMemoryState::Free) {
- return {};
- }
-
- return (start + size + padding_size) <= (end_info.GetAddress() + end_info.GetSize());
- }
-
- Result GetAvailableMapRegion(Kernel::KProcessPageTable& page_table, u64 size, VAddr& out_addr) {
- size = Common::AlignUp(size, Kernel::PageSize);
- size += page_table.GetNumGuardPages() * Kernel::PageSize * 4;
-
- const auto is_region_available = [&](VAddr addr) {
- const auto end_addr = addr + size;
- while (addr < end_addr) {
- if (system.ApplicationMemory().IsValidVirtualAddress(addr)) {
- return false;
- }
-
- if (!page_table.Contains(out_addr, size)) {
- return false;
- }
-
- if (page_table.IsInHeapRegion(out_addr, size)) {
- return false;
- }
-
- if (page_table.IsInAliasRegion(out_addr, size)) {
- return false;
- }
-
- addr += Kernel::PageSize;
- }
- return true;
- };
-
- bool succeeded = false;
- const auto map_region_end =
- GetInteger(page_table.GetAliasCodeRegionStart()) + page_table.GetAliasCodeRegionSize();
- while (current_map_addr < map_region_end) {
- if (is_region_available(current_map_addr)) {
- succeeded = true;
- break;
- }
- current_map_addr += 0x100000;
- }
-
- if (!succeeded) {
- ASSERT_MSG(false, "Out of address space!");
- return Kernel::ResultOutOfMemory;
- }
-
- out_addr = current_map_addr;
- current_map_addr += size;
-
- return ResultSuccess;
- }
-
- Result MapProcessCodeMemory(VAddr* out_map_location, Kernel::KProcess* process, VAddr base_addr,
- u64 size) {
- auto& page_table{process->GetPageTable()};
- VAddr addr{};
-
- for (std::size_t retry = 0; retry < MAXIMUM_MAP_RETRIES; retry++) {
- R_TRY(GetAvailableMapRegion(page_table, size, addr));
-
- const Result result{page_table.MapCodeMemory(addr, base_addr, size)};
- if (result == Kernel::ResultInvalidCurrentMemory) {
- continue;
- }
-
- R_TRY(result);
-
- if (ValidateRegionForMap(page_table, addr, size)) {
- *out_map_location = addr;
- return ResultSuccess;
- }
- }
-
- return ERROR_INSUFFICIENT_ADDRESS_SPACE;
- }
-
- Result MapNro(VAddr* out_map_location, Kernel::KProcess* process, VAddr nro_addr,
- std::size_t nro_size, VAddr bss_addr, std::size_t bss_size, std::size_t size) {
- for (std::size_t retry = 0; retry < MAXIMUM_MAP_RETRIES; retry++) {
- auto& page_table{process->GetPageTable()};
- VAddr addr{};
-
- R_TRY(MapProcessCodeMemory(&addr, process, nro_addr, nro_size));
-
- if (bss_size) {
- auto block_guard = detail::ScopeExit([&] {
- page_table.UnmapCodeMemory(addr + nro_size, bss_addr, bss_size);
- page_table.UnmapCodeMemory(addr, nro_addr, nro_size);
- });
-
- const Result result{page_table.MapCodeMemory(addr + nro_size, bss_addr, bss_size)};
-
- if (result == Kernel::ResultInvalidCurrentMemory) {
- continue;
- }
-
- if (result.IsError()) {
- return result;
- }
-
- block_guard.Cancel();
- }
-
- if (ValidateRegionForMap(page_table, addr, size)) {
- *out_map_location = addr;
- return ResultSuccess;
- }
- }
-
- return ERROR_INSUFFICIENT_ADDRESS_SPACE;
- }
-
- Result LoadNro(Kernel::KProcess* process, const NROHeader& nro_header, VAddr nro_addr,
- VAddr start) const {
- const VAddr text_start{start + nro_header.segment_headers[TEXT_INDEX].memory_offset};
- const VAddr ro_start{start + nro_header.segment_headers[RO_INDEX].memory_offset};
- const VAddr data_start{start + nro_header.segment_headers[DATA_INDEX].memory_offset};
- const VAddr bss_start{data_start + nro_header.segment_headers[DATA_INDEX].memory_size};
- const VAddr bss_end_addr{
- Common::AlignUp(bss_start + nro_header.bss_size, Kernel::PageSize)};
-
- const auto CopyCode = [this](VAddr src_addr, VAddr dst_addr, u64 size) {
- system.ApplicationMemory().CopyBlock(dst_addr, src_addr, size);
- };
- CopyCode(nro_addr + nro_header.segment_headers[TEXT_INDEX].memory_offset, text_start,
- nro_header.segment_headers[TEXT_INDEX].memory_size);
- CopyCode(nro_addr + nro_header.segment_headers[RO_INDEX].memory_offset, ro_start,
- nro_header.segment_headers[RO_INDEX].memory_size);
- CopyCode(nro_addr + nro_header.segment_headers[DATA_INDEX].memory_offset, data_start,
- nro_header.segment_headers[DATA_INDEX].memory_size);
-
- R_TRY(process->GetPageTable().SetProcessMemoryPermission(
- text_start, ro_start - text_start, Kernel::Svc::MemoryPermission::ReadExecute));
- R_TRY(process->GetPageTable().SetProcessMemoryPermission(
- ro_start, data_start - ro_start, Kernel::Svc::MemoryPermission::Read));
-
- return process->GetPageTable().SetProcessMemoryPermission(
- data_start, bss_end_addr - data_start, Kernel::Svc::MemoryPermission::ReadWrite);
- }
-
- void LoadModule(HLERequestContext& ctx) {
- struct Parameters {
- u64_le process_id;
- u64_le image_address;
- u64_le image_size;
- u64_le bss_address;
- u64_le bss_size;
- };
-
- IPC::RequestParser rp{ctx};
- const auto [process_id, nro_address, nro_size, bss_address, bss_size] =
- rp.PopRaw<Parameters>();
-
- LOG_DEBUG(Service_LDR,
- "called with pid={:016X}, nro_addr={:016X}, nro_size={:016X}, bss_addr={:016X}, "
- "bss_size={:016X}",
- process_id, nro_address, nro_size, bss_address, bss_size);
-
- if (!initialized) {
- LOG_ERROR(Service_LDR, "LDR:RO not initialized before use!");
- IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(ERROR_NOT_INITIALIZED);
- return;
- }
-
- if (nro.size() >= MAXIMUM_LOADED_RO) {
- LOG_ERROR(Service_LDR, "Loading new NRO would exceed the maximum number of loaded NROs "
- "(0x40)! Failing...");
- IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(ERROR_MAXIMUM_NRO);
- return;
- }
-
- // NRO Address does not fall on 0x1000 byte boundary
- if (!Common::Is4KBAligned(nro_address)) {
- LOG_ERROR(Service_LDR, "NRO Address has invalid alignment (actual {:016X})!",
- nro_address);
- IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(ERROR_INVALID_ALIGNMENT);
- return;
- }
-
- // NRO Size or BSS Size is zero or causes overflow
- const auto nro_size_valid =
- nro_size != 0 && nro_address + nro_size > nro_address && Common::Is4KBAligned(nro_size);
- const auto bss_size_valid = nro_size + bss_size >= nro_size &&
- (bss_size == 0 || bss_address + bss_size > bss_address);
-
- if (!nro_size_valid || !bss_size_valid) {
- LOG_ERROR(Service_LDR,
- "NRO Size or BSS Size is invalid! (nro_address={:016X}, nro_size={:016X}, "
- "bss_address={:016X}, bss_size={:016X})",
- nro_address, nro_size, bss_address, bss_size);
- IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(ERROR_INVALID_SIZE);
- return;
- }
-
- // Read NRO data from memory
- std::vector<u8> nro_data(nro_size);
- system.ApplicationMemory().ReadBlock(nro_address, nro_data.data(), nro_size);
-
- SHA256Hash hash{};
- mbedtls_sha256_ret(nro_data.data(), nro_data.size(), hash.data(), 0);
-
- // NRO Hash is already loaded
- if (std::any_of(nro.begin(), nro.end(), [&hash](const std::pair<VAddr, NROInfo>& info) {
- return info.second.hash == hash;
- })) {
- LOG_ERROR(Service_LDR, "NRO is already loaded!");
- IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(ERROR_ALREADY_LOADED);
- return;
- }
-
- // NRO Hash is not in any loaded NRR
- if (!IsValidNROHash(hash)) {
- LOG_ERROR(Service_LDR,
- "NRO hash is not present in any currently loaded NRRs (hash={})!",
- Common::HexToString(hash));
- IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(ERROR_MISSING_NRR_HASH);
- return;
- }
-
- // Load and validate the NRO header
- NROHeader header{};
- std::memcpy(&header, nro_data.data(), sizeof(NROHeader));
- if (!IsValidNRO(header, nro_size, bss_size)) {
- LOG_ERROR(Service_LDR, "NRO was invalid!");
- IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(ERROR_INVALID_NRO);
- return;
- }
-
- // Map memory for the NRO
- VAddr map_location{};
- const auto map_result{MapNro(&map_location, system.ApplicationProcess(), nro_address,
- nro_size, bss_address, bss_size, nro_size + bss_size)};
- if (map_result != ResultSuccess) {
- IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(map_result);
- }
-
- // Load the NRO into the mapped memory
- if (const auto result{
- LoadNro(system.ApplicationProcess(), header, nro_address, map_location)};
- result.IsError()) {
- IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(result);
- }
-
- // Track the loaded NRO
- nro.insert_or_assign(map_location,
- NROInfo{hash, map_location, nro_size, bss_address, bss_size,
- header.segment_headers[TEXT_INDEX].memory_size,
- header.segment_headers[RO_INDEX].memory_size,
- header.segment_headers[DATA_INDEX].memory_size, nro_address});
-
- IPC::ResponseBuilder rb{ctx, 4};
- rb.Push(ResultSuccess);
- rb.Push(map_location);
- }
-
- Result UnmapNro(const NROInfo& info) {
- // Each region must be unmapped separately to validate memory state
- auto& page_table{system.ApplicationProcess()->GetPageTable()};
-
- if (info.bss_size != 0) {
- R_TRY(page_table.UnmapCodeMemory(info.nro_address + info.text_size + info.ro_size +
- info.data_size,
- info.bss_address, info.bss_size));
- }
-
- R_TRY(page_table.UnmapCodeMemory(info.nro_address + info.text_size + info.ro_size,
- info.src_addr + info.text_size + info.ro_size,
- info.data_size));
- R_TRY(page_table.UnmapCodeMemory(info.nro_address + info.text_size,
- info.src_addr + info.text_size, info.ro_size));
- R_TRY(page_table.UnmapCodeMemory(info.nro_address, info.src_addr, info.text_size));
- return ResultSuccess;
- }
-
- void UnloadModule(HLERequestContext& ctx) {
- if (!initialized) {
- LOG_ERROR(Service_LDR, "LDR:RO not initialized before use!");
- IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(ERROR_NOT_INITIALIZED);
- return;
- }
-
- struct Parameters {
- u64_le process_id;
- u64_le nro_address;
- };
-
- IPC::RequestParser rp{ctx};
- const auto [process_id, nro_address] = rp.PopRaw<Parameters>();
- LOG_DEBUG(Service_LDR, "called with process_id={:016X}, nro_address=0x{:016X}", process_id,
- nro_address);
-
- if (!Common::Is4KBAligned(nro_address)) {
- LOG_ERROR(Service_LDR, "NRO address has invalid alignment (nro_address=0x{:016X})",
- nro_address);
- IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(ERROR_INVALID_ALIGNMENT);
- return;
- }
-
- const auto iter = nro.find(nro_address);
- if (iter == nro.end()) {
- LOG_ERROR(Service_LDR,
- "The NRO attempting to be unmapped was not mapped or has an invalid address "
- "(nro_address=0x{:016X})!",
- nro_address);
- IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(ERROR_INVALID_NRO_ADDRESS);
- return;
- }
-
- const auto result{UnmapNro(iter->second)};
-
- nro.erase(iter);
-
- IPC::ResponseBuilder rb{ctx, 2};
-
- rb.Push(result);
- }
-
- void Initialize(HLERequestContext& ctx) {
- LOG_WARNING(Service_LDR, "(STUBBED) called");
-
- initialized = true;
- current_map_addr =
- GetInteger(system.ApplicationProcess()->GetPageTable().GetAliasCodeRegionStart());
-
- IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(ResultSuccess);
- }
-
-private:
- bool initialized{};
-
- std::map<VAddr, NROInfo> nro;
- std::map<VAddr, std::vector<SHA256Hash>> nrr;
- VAddr current_map_addr{};
-
- bool IsValidNROHash(const SHA256Hash& hash) const {
- return std::any_of(nrr.begin(), nrr.end(), [&hash](const auto& p) {
- return std::find(p.second.begin(), p.second.end(), hash) != p.second.end();
- });
- }
-
- static bool IsValidNRO(const NROHeader& header, u64 nro_size, u64 bss_size) {
- return header.magic == Common::MakeMagic('N', 'R', 'O', '0') &&
- header.nro_size == nro_size && header.bss_size == bss_size &&
-
- header.segment_headers[RO_INDEX].memory_offset ==
- header.segment_headers[TEXT_INDEX].memory_offset +
- header.segment_headers[TEXT_INDEX].memory_size &&
-
- header.segment_headers[DATA_INDEX].memory_offset ==
- header.segment_headers[RO_INDEX].memory_offset +
- header.segment_headers[RO_INDEX].memory_size &&
-
- nro_size == header.segment_headers[DATA_INDEX].memory_offset +
- header.segment_headers[DATA_INDEX].memory_size &&
-
- Common::Is4KBAligned(header.segment_headers[TEXT_INDEX].memory_size) &&
- Common::Is4KBAligned(header.segment_headers[RO_INDEX].memory_size) &&
- Common::Is4KBAligned(header.segment_headers[DATA_INDEX].memory_size);
- }
-};
-
void LoopProcess(Core::System& system) {
auto server_manager = std::make_unique<ServerManager>(system);
server_manager->RegisterNamedService("ldr:dmnt", std::make_shared<DebugMonitor>(system));
server_manager->RegisterNamedService("ldr:pm", std::make_shared<ProcessManager>(system));
server_manager->RegisterNamedService("ldr:shel", std::make_shared<Shell>(system));
- server_manager->RegisterNamedService("ldr:ro", std::make_shared<RelocatableObject>(system));
ServerManager::RunServer(std::move(server_manager));
}
diff --git a/src/core/hle/service/ro/ro.cpp b/src/core/hle/service/ro/ro.cpp
new file mode 100644
index 000000000..17110d3f1
--- /dev/null
+++ b/src/core/hle/service/ro/ro.cpp
@@ -0,0 +1,709 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <mbedtls/sha256.h>
+
+#include "common/scope_exit.h"
+#include "core/hle/kernel/k_process.h"
+
+#include "core/hle/service/ipc_helpers.h"
+#include "core/hle/service/ro/ro.h"
+#include "core/hle/service/ro/ro_nro_utils.h"
+#include "core/hle/service/ro/ro_results.h"
+#include "core/hle/service/ro/ro_types.h"
+#include "core/hle/service/server_manager.h"
+#include "core/hle/service/service.h"
+
+namespace Service::RO {
+
+namespace {
+
+// Convenience definitions.
+constexpr size_t MaxSessions = 0x3;
+constexpr size_t MaxNrrInfos = 0x40;
+constexpr size_t MaxNroInfos = 0x40;
+
+constexpr u64 InvalidProcessId = 0xffffffffffffffffULL;
+constexpr u64 InvalidContextId = 0xffffffffffffffffULL;
+
+// Types.
+using Sha256Hash = std::array<u8, 32>;
+
+struct NroInfo {
+ u64 base_address;
+ u64 nro_heap_address;
+ u64 nro_heap_size;
+ u64 bss_heap_address;
+ u64 bss_heap_size;
+ u64 code_size;
+ u64 rw_size;
+ ModuleId module_id;
+};
+
+struct NrrInfo {
+ u64 nrr_heap_address;
+ u64 nrr_heap_size;
+
+ // Verification.
+ std::vector<Sha256Hash> hashes;
+};
+
+struct ProcessContext {
+ constexpr ProcessContext() = default;
+
+ void Initialize(Kernel::KProcess* process, u64 process_id) {
+ ASSERT(!m_in_use);
+
+ m_nro_in_use = {};
+ m_nrr_in_use = {};
+ m_nro_infos = {};
+ m_nrr_infos = {};
+
+ m_process = process;
+ m_process_id = process_id;
+ m_in_use = true;
+
+ if (m_process) {
+ m_process->Open();
+ }
+ }
+
+ void Finalize() {
+ ASSERT(m_in_use);
+
+ if (m_process) {
+ m_process->Close();
+ }
+
+ m_nro_in_use = {};
+ m_nrr_in_use = {};
+ m_nro_infos = {};
+ m_nrr_infos = {};
+
+ m_process = nullptr;
+ m_process_id = InvalidProcessId;
+ m_in_use = false;
+ }
+
+ Kernel::KProcess* GetProcess() const {
+ return m_process;
+ }
+
+ u64 GetProcessId() const {
+ return m_process_id;
+ }
+
+ bool IsFree() const {
+ return !m_in_use;
+ }
+
+ u64 GetProgramId(Kernel::KProcess* other_process) const {
+ // Automatically select a handle, allowing for override.
+ if (other_process) {
+ return other_process->GetProgramId();
+ } else if (m_process) {
+ return m_process->GetProgramId();
+ } else {
+ return 0;
+ }
+ }
+
+ Result GetNrrInfoByAddress(NrrInfo** out, u64 nrr_heap_address) {
+ for (size_t i = 0; i < MaxNrrInfos; i++) {
+ if (m_nrr_in_use[i] && m_nrr_infos[i].nrr_heap_address == nrr_heap_address) {
+ if (out != nullptr) {
+ *out = std::addressof(m_nrr_infos[i]);
+ }
+ R_SUCCEED();
+ }
+ }
+ R_THROW(RO::ResultNotRegistered);
+ }
+
+ Result GetFreeNrrInfo(NrrInfo** out) {
+ for (size_t i = 0; i < MaxNrrInfos; i++) {
+ if (!m_nrr_in_use[i]) {
+ if (out != nullptr) {
+ *out = std::addressof(m_nrr_infos[i]);
+ }
+ R_SUCCEED();
+ }
+ }
+ R_THROW(RO::ResultTooManyNrr);
+ }
+
+ Result GetNroInfoByAddress(NroInfo** out, u64 nro_address) {
+ for (size_t i = 0; i < MaxNroInfos; i++) {
+ if (m_nro_in_use[i] && m_nro_infos[i].base_address == nro_address) {
+ if (out != nullptr) {
+ *out = std::addressof(m_nro_infos[i]);
+ }
+ R_SUCCEED();
+ }
+ }
+ R_THROW(RO::ResultNotLoaded);
+ }
+
+ Result GetNroInfoByModuleId(NroInfo** out, const ModuleId* module_id) {
+ for (size_t i = 0; i < MaxNroInfos; i++) {
+ if (m_nro_in_use[i] && std::memcmp(std::addressof(m_nro_infos[i].module_id), module_id,
+ sizeof(*module_id)) == 0) {
+ if (out != nullptr) {
+ *out = std::addressof(m_nro_infos[i]);
+ }
+ R_SUCCEED();
+ }
+ }
+ R_THROW(RO::ResultNotLoaded);
+ }
+
+ Result GetFreeNroInfo(NroInfo** out) {
+ for (size_t i = 0; i < MaxNroInfos; i++) {
+ if (!m_nro_in_use[i]) {
+ if (out != nullptr) {
+ *out = std::addressof(m_nro_infos[i]);
+ }
+ R_SUCCEED();
+ }
+ }
+ R_THROW(RO::ResultTooManyNro);
+ }
+
+ Result ValidateHasNroHash(u64 base_address, const NroHeader* nro_header) const {
+ // Calculate hash.
+ Sha256Hash hash;
+ {
+ const u64 size = nro_header->GetSize();
+
+ std::vector<u8> nro_data(size);
+ m_process->GetMemory().ReadBlock(base_address, nro_data.data(), size);
+
+ mbedtls_sha256_ret(nro_data.data(), size, hash.data(), 0);
+ }
+
+ for (size_t i = 0; i < MaxNrrInfos; i++) {
+ // Ensure we only check NRRs that are used.
+ if (!m_nrr_in_use[i]) {
+ continue;
+ }
+
+ // Locate the hash within the hash list.
+ const auto hash_it = std::ranges::find(m_nrr_infos[i].hashes, hash);
+ if (hash_it == m_nrr_infos[i].hashes.end()) {
+ continue;
+ }
+
+ // The hash is valid!
+ R_SUCCEED();
+ }
+
+ R_THROW(RO::ResultNotAuthorized);
+ }
+
+ Result ValidateNro(ModuleId* out_module_id, u64* out_rx_size, u64* out_ro_size,
+ u64* out_rw_size, u64 base_address, u64 expected_nro_size,
+ u64 expected_bss_size) {
+ // Ensure we have a process to work on.
+ R_UNLESS(m_process != nullptr, RO::ResultInvalidProcess);
+
+ // Read the NRO header.
+ NroHeader header{};
+ m_process->GetMemory().ReadBlock(base_address, std::addressof(header), sizeof(header));
+
+ // Validate header.
+ R_UNLESS(header.IsMagicValid(), RO::ResultInvalidNro);
+
+ // Read sizes from header.
+ const u64 nro_size = header.GetSize();
+ const u64 text_ofs = header.GetTextOffset();
+ const u64 text_size = header.GetTextSize();
+ const u64 ro_ofs = header.GetRoOffset();
+ const u64 ro_size = header.GetRoSize();
+ const u64 rw_ofs = header.GetRwOffset();
+ const u64 rw_size = header.GetRwSize();
+ const u64 bss_size = header.GetBssSize();
+
+ // Validate sizes meet expected.
+ R_UNLESS(nro_size == expected_nro_size, RO::ResultInvalidNro);
+ R_UNLESS(bss_size == expected_bss_size, RO::ResultInvalidNro);
+
+ // Validate all sizes are aligned.
+ R_UNLESS(Common::IsAligned(text_size, Core::Memory::YUZU_PAGESIZE), RO::ResultInvalidNro);
+ R_UNLESS(Common::IsAligned(ro_size, Core::Memory::YUZU_PAGESIZE), RO::ResultInvalidNro);
+ R_UNLESS(Common::IsAligned(rw_size, Core::Memory::YUZU_PAGESIZE), RO::ResultInvalidNro);
+ R_UNLESS(Common::IsAligned(bss_size, Core::Memory::YUZU_PAGESIZE), RO::ResultInvalidNro);
+
+ // Validate sections are in order.
+ R_UNLESS(text_ofs <= ro_ofs, RO::ResultInvalidNro);
+ R_UNLESS(ro_ofs <= rw_ofs, RO::ResultInvalidNro);
+
+ // Validate sections are sequential and contiguous.
+ R_UNLESS(text_ofs == 0, RO::ResultInvalidNro);
+ R_UNLESS(text_ofs + text_size == ro_ofs, RO::ResultInvalidNro);
+ R_UNLESS(ro_ofs + ro_size == rw_ofs, RO::ResultInvalidNro);
+ R_UNLESS(rw_ofs + rw_size == nro_size, RO::ResultInvalidNro);
+
+ // Verify NRO hash.
+ R_TRY(this->ValidateHasNroHash(base_address, std::addressof(header)));
+
+ // Check if NRO has already been loaded.
+ const ModuleId* module_id = header.GetModuleId();
+ R_UNLESS(R_FAILED(this->GetNroInfoByModuleId(nullptr, module_id)), RO::ResultAlreadyLoaded);
+
+ // Apply patches to NRO.
+ // LocateAndApplyIpsPatchesToModule(module_id, static_cast<u8*>(mapped_memory), nro_size);
+
+ // Copy to output.
+ *out_module_id = *module_id;
+ *out_rx_size = text_size;
+ *out_ro_size = ro_size;
+ *out_rw_size = rw_size;
+ R_SUCCEED();
+ }
+
+ void SetNrrInfoInUse(const NrrInfo* info, bool in_use) {
+ ASSERT(std::addressof(m_nrr_infos[0]) <= info &&
+ info <= std::addressof(m_nrr_infos[MaxNrrInfos - 1]));
+ const size_t index = info - std::addressof(m_nrr_infos[0]);
+ m_nrr_in_use[index] = in_use;
+ }
+
+ void SetNroInfoInUse(const NroInfo* info, bool in_use) {
+ ASSERT(std::addressof(m_nro_infos[0]) <= info &&
+ info <= std::addressof(m_nro_infos[MaxNroInfos - 1]));
+ const size_t index = info - std::addressof(m_nro_infos[0]);
+ m_nro_in_use[index] = in_use;
+ }
+
+private:
+ std::array<bool, MaxNroInfos> m_nro_in_use{};
+ std::array<bool, MaxNrrInfos> m_nrr_in_use{};
+ std::array<NroInfo, MaxNroInfos> m_nro_infos{};
+ std::array<NrrInfo, MaxNrrInfos> m_nrr_infos{};
+ Kernel::KProcess* m_process{};
+ u64 m_process_id{InvalidProcessId};
+ bool m_in_use{};
+};
+
+Result ValidateAddressAndNonZeroSize(u64 address, u64 size) {
+ R_UNLESS(Common::IsAligned(address, Core::Memory::YUZU_PAGESIZE), RO::ResultInvalidAddress);
+ R_UNLESS(size != 0, RO::ResultInvalidSize);
+ R_UNLESS(Common::IsAligned(size, Core::Memory::YUZU_PAGESIZE), RO::ResultInvalidSize);
+ R_UNLESS(address < address + size, RO::ResultInvalidSize);
+ R_SUCCEED();
+}
+
+Result ValidateAddressAndSize(u64 address, u64 size) {
+ R_UNLESS(Common::IsAligned(address, Core::Memory::YUZU_PAGESIZE), RO::ResultInvalidAddress);
+ R_UNLESS(Common::IsAligned(size, Core::Memory::YUZU_PAGESIZE), RO::ResultInvalidSize);
+ R_UNLESS(size == 0 || address < address + size, RO::ResultInvalidSize);
+ R_SUCCEED();
+}
+
+class RoContext {
+public:
+ explicit RoContext() = default;
+
+ Result RegisterProcess(size_t* out_context_id, Kernel::KProcess* process, u64 process_id) {
+ // Validate process id.
+ R_UNLESS(process->GetProcessId() == process_id, RO::ResultInvalidProcess);
+
+ // Check if a process context already exists.
+ R_UNLESS(this->GetContextByProcessId(process_id) == nullptr, RO::ResultInvalidSession);
+
+ // Allocate a context to manage the process handle.
+ *out_context_id = this->AllocateContext(process, process_id);
+
+ R_SUCCEED();
+ }
+
+ Result ValidateProcess(size_t context_id, u64 process_id) {
+ const ProcessContext* ctx = this->GetContextById(context_id);
+ R_UNLESS(ctx != nullptr, RO::ResultInvalidProcess);
+ R_UNLESS(ctx->GetProcessId() == process_id, RO::ResultInvalidProcess);
+ R_SUCCEED();
+ }
+
+ void UnregisterProcess(size_t context_id) {
+ this->FreeContext(context_id);
+ }
+
+ Result RegisterModuleInfo(size_t context_id, u64 nrr_address, u64 nrr_size, NrrKind nrr_kind,
+ bool enforce_nrr_kind) {
+ // Get context.
+ ProcessContext* context = this->GetContextById(context_id);
+ ASSERT(context != nullptr);
+
+ // Validate address/size.
+ R_TRY(ValidateAddressAndNonZeroSize(nrr_address, nrr_size));
+
+ // Check we have space for a new NRR.
+ NrrInfo* nrr_info = nullptr;
+ R_TRY(context->GetFreeNrrInfo(std::addressof(nrr_info)));
+
+ // Ensure we have a valid process to read from.
+ Kernel::KProcess* process = context->GetProcess();
+ R_UNLESS(process != nullptr, RO::ResultInvalidProcess);
+
+ // Read NRR.
+ NrrHeader header{};
+ process->GetMemory().ReadBlock(nrr_address, std::addressof(header), sizeof(header));
+
+ // Set NRR info.
+ context->SetNrrInfoInUse(nrr_info, true);
+ nrr_info->nrr_heap_address = nrr_address;
+ nrr_info->nrr_heap_size = nrr_size;
+
+ // Read NRR hash list.
+ nrr_info->hashes.resize(header.GetNumHashes());
+ process->GetMemory().ReadBlock(nrr_address + header.GetHashesOffset(),
+ nrr_info->hashes.data(),
+ sizeof(Sha256Hash) * header.GetNumHashes());
+
+ R_SUCCEED();
+ }
+
+ Result UnregisterModuleInfo(size_t context_id, u64 nrr_address) {
+ // Get context.
+ ProcessContext* context = this->GetContextById(context_id);
+ ASSERT(context != nullptr);
+
+ // Validate address.
+ R_UNLESS(Common::IsAligned(nrr_address, Core::Memory::YUZU_PAGESIZE),
+ RO::ResultInvalidAddress);
+
+ // Check the NRR is loaded.
+ NrrInfo* nrr_info = nullptr;
+ R_TRY(context->GetNrrInfoByAddress(std::addressof(nrr_info), nrr_address));
+
+ // Nintendo does this unconditionally, whether or not the actual unmap succeeds.
+ context->SetNrrInfoInUse(nrr_info, false);
+ *nrr_info = {};
+
+ R_SUCCEED();
+ }
+
+ Result MapManualLoadModuleMemory(u64* out_address, size_t context_id, u64 nro_address,
+ u64 nro_size, u64 bss_address, u64 bss_size) {
+ // Get context.
+ ProcessContext* context = this->GetContextById(context_id);
+ ASSERT(context != nullptr);
+
+ // Validate address/size.
+ R_TRY(ValidateAddressAndNonZeroSize(nro_address, nro_size));
+ R_TRY(ValidateAddressAndSize(bss_address, bss_size));
+
+ const u64 total_size = nro_size + bss_size;
+ R_UNLESS(total_size >= nro_size, RO::ResultInvalidSize);
+ R_UNLESS(total_size >= bss_size, RO::ResultInvalidSize);
+
+ // Check we have space for a new NRO.
+ NroInfo* nro_info = nullptr;
+ R_TRY(context->GetFreeNroInfo(std::addressof(nro_info)));
+ nro_info->nro_heap_address = nro_address;
+ nro_info->nro_heap_size = nro_size;
+ nro_info->bss_heap_address = bss_address;
+ nro_info->bss_heap_size = bss_size;
+
+ // Map the NRO.
+ R_TRY(MapNro(std::addressof(nro_info->base_address), context->GetProcess(), nro_address,
+ nro_size, bss_address, bss_size, generate_random));
+ ON_RESULT_FAILURE {
+ UnmapNro(context->GetProcess(), nro_info->base_address, nro_address, nro_size,
+ bss_address, bss_size);
+ };
+
+ // Validate the NRO (parsing region extents).
+ u64 rx_size = 0, ro_size = 0, rw_size = 0;
+ R_TRY(context->ValidateNro(std::addressof(nro_info->module_id), std::addressof(rx_size),
+ std::addressof(ro_size), std::addressof(rw_size),
+ nro_info->base_address, nro_size, bss_size));
+
+ // Set NRO perms.
+ R_TRY(SetNroPerms(context->GetProcess(), nro_info->base_address, rx_size, ro_size,
+ rw_size + bss_size));
+
+ context->SetNroInfoInUse(nro_info, true);
+ nro_info->code_size = rx_size + ro_size;
+ nro_info->rw_size = rw_size;
+ *out_address = nro_info->base_address;
+ R_SUCCEED();
+ }
+
+ Result UnmapManualLoadModuleMemory(size_t context_id, u64 nro_address) {
+ // Get context.
+ ProcessContext* context = this->GetContextById(context_id);
+ ASSERT(context != nullptr);
+
+ // Validate address.
+ R_UNLESS(Common::IsAligned(nro_address, Core::Memory::YUZU_PAGESIZE),
+ RO::ResultInvalidAddress);
+
+ // Check the NRO is loaded.
+ NroInfo* nro_info = nullptr;
+ R_TRY(context->GetNroInfoByAddress(std::addressof(nro_info), nro_address));
+
+ // Unmap.
+ const NroInfo nro_backup = *nro_info;
+ {
+ // Nintendo does this unconditionally, whether or not the actual unmap succeeds.
+ context->SetNroInfoInUse(nro_info, false);
+ std::memset(nro_info, 0, sizeof(*nro_info));
+ }
+ R_RETURN(UnmapNro(context->GetProcess(), nro_backup.base_address,
+ nro_backup.nro_heap_address, nro_backup.code_size + nro_backup.rw_size,
+ nro_backup.bss_heap_address, nro_backup.bss_heap_size));
+ }
+
+private:
+ std::array<ProcessContext, MaxSessions> process_contexts;
+ std::mt19937_64 generate_random;
+
+ // Context Helpers.
+ ProcessContext* GetContextById(size_t context_id) {
+ if (context_id == InvalidContextId) {
+ return nullptr;
+ }
+
+ ASSERT(context_id < process_contexts.size());
+ return std::addressof(process_contexts[context_id]);
+ }
+
+ ProcessContext* GetContextByProcessId(u64 process_id) {
+ for (size_t i = 0; i < MaxSessions; i++) {
+ if (process_contexts[i].GetProcessId() == process_id) {
+ return std::addressof(process_contexts[i]);
+ }
+ }
+ return nullptr;
+ }
+
+ size_t AllocateContext(Kernel::KProcess* process, u64 process_id) {
+ // Find a free process context.
+ for (size_t i = 0; i < MaxSessions; i++) {
+ ProcessContext* context = std::addressof(process_contexts[i]);
+
+ if (context->IsFree()) {
+ context->Initialize(process, process_id);
+ return i;
+ }
+ }
+
+ // Failure to find a free context is actually an abort condition.
+ UNREACHABLE();
+ }
+
+ void FreeContext(size_t context_id) {
+ if (ProcessContext* context = GetContextById(context_id); context != nullptr) {
+ context->Finalize();
+ }
+ }
+};
+
+class RoInterface {
+public:
+ explicit RoInterface(std::shared_ptr<RoContext> ro, NrrKind nrr_kind)
+ : m_ro(ro), m_context_id(InvalidContextId), m_nrr_kind(nrr_kind) {}
+ ~RoInterface() {
+ m_ro->UnregisterProcess(m_context_id);
+ }
+
+ Result MapManualLoadModuleMemory(u64* out_load_address, u64 client_pid, u64 nro_address,
+ u64 nro_size, u64 bss_address, u64 bss_size) {
+ R_TRY(m_ro->ValidateProcess(m_context_id, client_pid));
+ R_RETURN(m_ro->MapManualLoadModuleMemory(out_load_address, m_context_id, nro_address,
+ nro_size, bss_address, bss_size));
+ }
+
+ Result UnmapManualLoadModuleMemory(u64 client_pid, u64 nro_address) {
+ R_TRY(m_ro->ValidateProcess(m_context_id, client_pid));
+ R_RETURN(m_ro->UnmapManualLoadModuleMemory(m_context_id, nro_address));
+ }
+
+ Result RegisterModuleInfo(u64 client_pid, u64 nrr_address, u64 nrr_size) {
+ R_TRY(m_ro->ValidateProcess(m_context_id, client_pid));
+ R_RETURN(
+ m_ro->RegisterModuleInfo(m_context_id, nrr_address, nrr_size, NrrKind::User, true));
+ }
+
+ Result UnregisterModuleInfo(u64 client_pid, u64 nrr_address) {
+ R_TRY(m_ro->ValidateProcess(m_context_id, client_pid));
+ R_RETURN(m_ro->UnregisterModuleInfo(m_context_id, nrr_address));
+ }
+
+ Result RegisterProcessHandle(u64 client_pid, Kernel::KProcess* process) {
+ // Register the process.
+ R_RETURN(m_ro->RegisterProcess(std::addressof(m_context_id), process, client_pid));
+ }
+
+ Result RegisterProcessModuleInfo(u64 client_pid, u64 nrr_address, u64 nrr_size,
+ Kernel::KProcess* process) {
+ // Validate the process.
+ R_TRY(m_ro->ValidateProcess(m_context_id, client_pid));
+
+ // Register the module.
+ R_RETURN(m_ro->RegisterModuleInfo(m_context_id, nrr_address, nrr_size, m_nrr_kind,
+ m_nrr_kind == NrrKind::JitPlugin));
+ }
+
+private:
+ std::shared_ptr<RoContext> m_ro{};
+ size_t m_context_id{};
+ NrrKind m_nrr_kind{};
+};
+
+class IRoInterface : public ServiceFramework<IRoInterface> {
+public:
+ explicit IRoInterface(Core::System& system_, const char* name_, std::shared_ptr<RoContext> ro,
+ NrrKind nrr_kind)
+ : ServiceFramework{system_, name_}, interface {
+ ro, nrr_kind
+ } {
+ // clang-format off
+ static const FunctionInfo functions[] = {
+ {0, &IRoInterface::MapManualLoadModuleMemory, "MapManualLoadModuleMemory"},
+ {1, &IRoInterface::UnmapManualLoadModuleMemory, "UnmapManualLoadModuleMemory"},
+ {2, &IRoInterface::RegisterModuleInfo, "RegisterModuleInfo"},
+ {3, &IRoInterface::UnregisterModuleInfo, "UnregisterModuleInfo"},
+ {4, &IRoInterface::RegisterProcessHandle, "RegisterProcessHandle"},
+ {10, &IRoInterface::RegisterProcessModuleInfo, "RegisterProcessModuleInfo"},
+ };
+ // clang-format on
+
+ RegisterHandlers(functions);
+ }
+
+private:
+ void MapManualLoadModuleMemory(HLERequestContext& ctx) {
+ LOG_DEBUG(Service_LDR, "(called)");
+
+ struct InputParameters {
+ u64 client_pid;
+ u64 nro_address;
+ u64 nro_size;
+ u64 bss_address;
+ u64 bss_size;
+ };
+
+ IPC::RequestParser rp{ctx};
+ auto params = rp.PopRaw<InputParameters>();
+
+ u64 load_address = 0;
+ auto result = interface.MapManualLoadModuleMemory(&load_address, ctx.GetPID(),
+ params.nro_address, params.nro_size,
+ params.bss_address, params.bss_size);
+
+ IPC::ResponseBuilder rb{ctx, 4};
+ rb.Push(result);
+ rb.Push(load_address);
+ }
+
+ void UnmapManualLoadModuleMemory(HLERequestContext& ctx) {
+ LOG_DEBUG(Service_LDR, "(called)");
+
+ struct InputParameters {
+ u64 client_pid;
+ u64 nro_address;
+ };
+
+ IPC::RequestParser rp{ctx};
+ auto params = rp.PopRaw<InputParameters>();
+ auto result = interface.UnmapManualLoadModuleMemory(ctx.GetPID(), params.nro_address);
+
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(result);
+ }
+
+ void RegisterModuleInfo(HLERequestContext& ctx) {
+ LOG_DEBUG(Service_LDR, "(called)");
+
+ struct InputParameters {
+ u64 client_pid;
+ u64 nrr_address;
+ u64 nrr_size;
+ };
+
+ IPC::RequestParser rp{ctx};
+ auto params = rp.PopRaw<InputParameters>();
+ auto result =
+ interface.RegisterModuleInfo(ctx.GetPID(), params.nrr_address, params.nrr_size);
+
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(result);
+ }
+
+ void UnregisterModuleInfo(HLERequestContext& ctx) {
+ LOG_DEBUG(Service_LDR, "(called)");
+
+ struct InputParameters {
+ u64 client_pid;
+ u64 nrr_address;
+ };
+
+ IPC::RequestParser rp{ctx};
+ auto params = rp.PopRaw<InputParameters>();
+ auto result = interface.UnregisterModuleInfo(ctx.GetPID(), params.nrr_address);
+
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(result);
+ }
+
+ void RegisterProcessHandle(HLERequestContext& ctx) {
+ LOG_DEBUG(Service_LDR, "(called)");
+
+ auto process_h = ctx.GetClientHandleTable().GetObject(ctx.GetCopyHandle(0));
+ auto client_pid = ctx.GetPID();
+ auto result = interface.RegisterProcessHandle(client_pid,
+ process_h->DynamicCast<Kernel::KProcess*>());
+
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(result);
+ }
+
+ void RegisterProcessModuleInfo(HLERequestContext& ctx) {
+ LOG_DEBUG(Service_LDR, "(called)");
+
+ struct InputParameters {
+ u64 client_pid;
+ u64 nrr_address;
+ u64 nrr_size;
+ };
+
+ IPC::RequestParser rp{ctx};
+ auto params = rp.PopRaw<InputParameters>();
+ auto process_h = ctx.GetClientHandleTable().GetObject(ctx.GetCopyHandle(0));
+
+ auto client_pid = ctx.GetPID();
+ auto result =
+ interface.RegisterProcessModuleInfo(client_pid, params.nrr_address, params.nrr_size,
+ process_h->DynamicCast<Kernel::KProcess*>());
+
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(result);
+ }
+
+ RoInterface interface;
+};
+
+} // namespace
+
+void LoopProcess(Core::System& system) {
+ auto server_manager = std::make_unique<ServerManager>(system);
+
+ auto ro = std::make_shared<RoContext>();
+
+ const auto RoInterfaceFactoryForUser = [&, ro] {
+ return std::make_shared<IRoInterface>(system, "ldr:ro", ro, NrrKind::User);
+ };
+
+ const auto RoInterfaceFactoryForJitPlugin = [&, ro] {
+ return std::make_shared<IRoInterface>(system, "ro:1", ro, NrrKind::JitPlugin);
+ };
+
+ server_manager->RegisterNamedService("ldr:ro", std::move(RoInterfaceFactoryForUser));
+ server_manager->RegisterNamedService("ro:1", std::move(RoInterfaceFactoryForJitPlugin));
+
+ ServerManager::RunServer(std::move(server_manager));
+}
+
+} // namespace Service::RO
diff --git a/src/core/hle/service/ro/ro.h b/src/core/hle/service/ro/ro.h
new file mode 100644
index 000000000..74dc08536
--- /dev/null
+++ b/src/core/hle/service/ro/ro.h
@@ -0,0 +1,14 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+namespace Core {
+class System;
+}
+
+namespace Service::RO {
+
+void LoopProcess(Core::System& system);
+
+} // namespace Service::RO
diff --git a/src/core/hle/service/ro/ro_nro_utils.cpp b/src/core/hle/service/ro/ro_nro_utils.cpp
new file mode 100644
index 000000000..268c7f93e
--- /dev/null
+++ b/src/core/hle/service/ro/ro_nro_utils.cpp
@@ -0,0 +1,185 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/service/ro/ro_nro_utils.h"
+#include "core/hle/service/ro/ro_results.h"
+
+namespace Service::RO {
+
+namespace {
+
+struct ProcessMemoryRegion {
+ u64 address;
+ u64 size;
+};
+
+size_t GetTotalProcessMemoryRegionSize(const ProcessMemoryRegion* regions, size_t num_regions) {
+ size_t total = 0;
+
+ for (size_t i = 0; i < num_regions; ++i) {
+ total += regions[i].size;
+ }
+
+ return total;
+}
+
+size_t SetupNroProcessMemoryRegions(ProcessMemoryRegion* regions, u64 nro_heap_address,
+ u64 nro_heap_size, u64 bss_heap_address, u64 bss_heap_size) {
+ // Reset region count.
+ size_t num_regions = 0;
+
+ // We always want a region for the nro.
+ regions[num_regions++] = {nro_heap_address, nro_heap_size};
+
+ // If we have bss, create a region for bss.
+ if (bss_heap_size > 0) {
+ regions[num_regions++] = {bss_heap_address, bss_heap_size};
+ }
+
+ return num_regions;
+}
+
+Result SetProcessMemoryPermission(Kernel::KProcess* process, u64 address, u64 size,
+ Kernel::Svc::MemoryPermission permission) {
+ auto& page_table = process->GetPageTable();
+
+ // Set permission.
+ R_RETURN(page_table.SetProcessMemoryPermission(address, size, permission));
+}
+
+Result UnmapProcessCodeMemory(Kernel::KProcess* process, u64 process_code_address,
+ const ProcessMemoryRegion* regions, size_t num_regions) {
+ // Get the total process memory region size.
+ const size_t total_size = GetTotalProcessMemoryRegionSize(regions, num_regions);
+
+ auto& page_table = process->GetPageTable();
+
+ // Unmap each region in order.
+ size_t cur_offset = total_size;
+ for (size_t i = 0; i < num_regions; ++i) {
+ // We want to unmap in reverse order.
+ const auto& cur_region = regions[num_regions - 1 - i];
+
+ // Subtract to update the current offset.
+ cur_offset -= cur_region.size;
+
+ // Unmap.
+ R_TRY(page_table.UnmapCodeMemory(process_code_address + cur_offset, cur_region.address,
+ cur_region.size));
+ }
+
+ R_SUCCEED();
+}
+
+Result EnsureGuardPages(Kernel::KProcessPageTable& page_table, u64 map_address, u64 map_size) {
+ Kernel::KMemoryInfo memory_info;
+ Kernel::Svc::PageInfo page_info;
+
+ // Ensure page before mapping is unmapped.
+ R_TRY(page_table.QueryInfo(std::addressof(memory_info), std::addressof(page_info),
+ map_address - 1));
+ R_UNLESS(memory_info.GetSvcState() == Kernel::Svc::MemoryState::Free,
+ Kernel::ResultInvalidState);
+
+ // Ensure page after mapping is unmapped.
+ R_TRY(page_table.QueryInfo(std::addressof(memory_info), std::addressof(page_info),
+ map_address + map_size));
+ R_UNLESS(memory_info.GetSvcState() == Kernel::Svc::MemoryState::Free,
+ Kernel::ResultInvalidState);
+
+ // Successfully verified guard pages.
+ R_SUCCEED();
+}
+
+Result MapProcessCodeMemory(u64* out, Kernel::KProcess* process, const ProcessMemoryRegion* regions,
+ size_t num_regions, std::mt19937_64& generate_random) {
+ auto& page_table = process->GetPageTable();
+ const u64 alias_code_start =
+ GetInteger(page_table.GetAliasCodeRegionStart()) / Kernel::PageSize;
+ const u64 alias_code_size = page_table.GetAliasCodeRegionSize() / Kernel::PageSize;
+
+ for (size_t trial = 0; trial < 64; trial++) {
+ // Generate a new trial address.
+ const u64 mapped_address =
+ (alias_code_start + (generate_random() % alias_code_size)) * Kernel::PageSize;
+
+ const auto MapRegions = [&] {
+ // Map the regions in order.
+ u64 mapped_size = 0;
+ for (size_t i = 0; i < num_regions; ++i) {
+ // If we fail, unmap up to where we've mapped.
+ ON_RESULT_FAILURE {
+ R_ASSERT(UnmapProcessCodeMemory(process, mapped_address, regions, i));
+ };
+
+ // Map the current region.
+ R_TRY(page_table.MapCodeMemory(mapped_address + mapped_size, regions[i].address,
+ regions[i].size));
+
+ mapped_size += regions[i].size;
+ }
+
+ // If we fail, unmap all mapped regions.
+ ON_RESULT_FAILURE {
+ R_ASSERT(UnmapProcessCodeMemory(process, mapped_address, regions, num_regions));
+ };
+
+ // Ensure guard pages.
+ R_RETURN(EnsureGuardPages(page_table, mapped_address, mapped_size));
+ };
+
+ if (R_SUCCEEDED(MapRegions())) {
+ // Set the output address.
+ *out = mapped_address;
+ R_SUCCEED();
+ }
+ }
+
+ // We failed to map anything.
+ R_THROW(RO::ResultOutOfAddressSpace);
+}
+
+} // namespace
+
+Result MapNro(u64* out_base_address, Kernel::KProcess* process, u64 nro_heap_address,
+ u64 nro_heap_size, u64 bss_heap_address, u64 bss_heap_size,
+ std::mt19937_64& generate_random) {
+ // Set up the process memory regions.
+ std::array<ProcessMemoryRegion, 2> regions{};
+ const size_t num_regions = SetupNroProcessMemoryRegions(
+ regions.data(), nro_heap_address, nro_heap_size, bss_heap_address, bss_heap_size);
+
+ // Re-map the nro/bss as code memory in the destination process.
+ R_RETURN(MapProcessCodeMemory(out_base_address, process, regions.data(), num_regions,
+ generate_random));
+}
+
+Result SetNroPerms(Kernel::KProcess* process, u64 base_address, u64 rx_size, u64 ro_size,
+ u64 rw_size) {
+ const u64 rx_offset = 0;
+ const u64 ro_offset = rx_offset + rx_size;
+ const u64 rw_offset = ro_offset + ro_size;
+
+ R_TRY(SetProcessMemoryPermission(process, base_address + rx_offset, rx_size,
+ Kernel::Svc::MemoryPermission::ReadExecute));
+ R_TRY(SetProcessMemoryPermission(process, base_address + ro_offset, ro_size,
+ Kernel::Svc::MemoryPermission::Read));
+ R_TRY(SetProcessMemoryPermission(process, base_address + rw_offset, rw_size,
+ Kernel::Svc::MemoryPermission::ReadWrite));
+
+ R_SUCCEED();
+}
+
+Result UnmapNro(Kernel::KProcess* process, u64 base_address, u64 nro_heap_address,
+ u64 nro_heap_size, u64 bss_heap_address, u64 bss_heap_size) {
+ // Set up the process memory regions.
+ std::array<ProcessMemoryRegion, 2> regions{};
+ const size_t num_regions = SetupNroProcessMemoryRegions(
+ regions.data(), nro_heap_address, nro_heap_size, bss_heap_address, bss_heap_size);
+
+ // Unmap the nro/bss.
+ R_RETURN(UnmapProcessCodeMemory(process, base_address, regions.data(), num_regions));
+}
+
+} // namespace Service::RO
diff --git a/src/core/hle/service/ro/ro_nro_utils.h b/src/core/hle/service/ro/ro_nro_utils.h
new file mode 100644
index 000000000..f7083a1ba
--- /dev/null
+++ b/src/core/hle/service/ro/ro_nro_utils.h
@@ -0,0 +1,26 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <random>
+
+#include "common/common_types.h"
+
+namespace Kernel {
+class KProcess;
+}
+
+union Result;
+
+namespace Service::RO {
+
+Result MapNro(u64* out_base_address, Kernel::KProcess* process, u64 nro_heap_address,
+ u64 nro_heap_size, u64 bss_heap_address, u64 bss_heap_size,
+ std::mt19937_64& generate_random);
+Result SetNroPerms(Kernel::KProcess* process, u64 base_address, u64 rx_size, u64 ro_size,
+ u64 rw_size);
+Result UnmapNro(Kernel::KProcess* process, u64 base_address, u64 nro_heap_address,
+ u64 nro_heap_size, u64 bss_heap_address, u64 bss_heap_size);
+
+} // namespace Service::RO
diff --git a/src/core/hle/service/ro/ro_results.h b/src/core/hle/service/ro/ro_results.h
new file mode 100644
index 000000000..00f05c5a5
--- /dev/null
+++ b/src/core/hle/service/ro/ro_results.h
@@ -0,0 +1,24 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/hle/result.h"
+
+namespace Service::RO {
+
+constexpr Result ResultOutOfAddressSpace{ErrorModule::RO, 2};
+constexpr Result ResultAlreadyLoaded{ErrorModule::RO, 3};
+constexpr Result ResultInvalidNro{ErrorModule::RO, 4};
+constexpr Result ResultInvalidNrr{ErrorModule::RO, 6};
+constexpr Result ResultTooManyNro{ErrorModule::RO, 7};
+constexpr Result ResultTooManyNrr{ErrorModule::RO, 8};
+constexpr Result ResultNotAuthorized{ErrorModule::RO, 9};
+constexpr Result ResultInvalidNrrKind{ErrorModule::RO, 10};
+constexpr Result ResultInternalError{ErrorModule::RO, 1023};
+constexpr Result ResultInvalidAddress{ErrorModule::RO, 1025};
+constexpr Result ResultInvalidSize{ErrorModule::RO, 1026};
+constexpr Result ResultNotLoaded{ErrorModule::RO, 1028};
+constexpr Result ResultNotRegistered{ErrorModule::RO, 1029};
+constexpr Result ResultInvalidSession{ErrorModule::RO, 1030};
+constexpr Result ResultInvalidProcess{ErrorModule::RO, 1031};
+
+} // namespace Service::RO
diff --git a/src/core/hle/service/ro/ro_types.h b/src/core/hle/service/ro/ro_types.h
new file mode 100644
index 000000000..624d52ee5
--- /dev/null
+++ b/src/core/hle/service/ro/ro_types.h
@@ -0,0 +1,181 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/assert.h"
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+
+namespace Service::RO {
+
+enum class NrrKind : u8 {
+ User = 0,
+ JitPlugin = 1,
+ Count,
+};
+
+static constexpr size_t ModuleIdSize = 0x20;
+struct ModuleId {
+ std::array<u8, ModuleIdSize> data;
+};
+static_assert(sizeof(ModuleId) == ModuleIdSize);
+
+struct NrrCertification {
+ static constexpr size_t RsaKeySize = 0x100;
+ static constexpr size_t SignedSize = 0x120;
+
+ u64 program_id_mask;
+ u64 program_id_pattern;
+ std::array<u8, 0x10> reserved_10;
+ std::array<u8, RsaKeySize> modulus;
+ std::array<u8, RsaKeySize> signature;
+};
+static_assert(sizeof(NrrCertification) ==
+ NrrCertification::RsaKeySize + NrrCertification::SignedSize);
+
+class NrrHeader {
+public:
+ static constexpr u32 Magic = Common::MakeMagic('N', 'R', 'R', '0');
+
+public:
+ bool IsMagicValid() const {
+ return m_magic == Magic;
+ }
+
+ bool IsProgramIdValid() const {
+ return (m_program_id & m_certification.program_id_mask) ==
+ m_certification.program_id_pattern;
+ }
+
+ NrrKind GetNrrKind() const {
+ const NrrKind kind = static_cast<NrrKind>(m_nrr_kind);
+ ASSERT(kind < NrrKind::Count);
+ return kind;
+ }
+
+ u64 GetProgramId() const {
+ return m_program_id;
+ }
+
+ u32 GetSize() const {
+ return m_size;
+ }
+
+ u32 GetNumHashes() const {
+ return m_num_hashes;
+ }
+
+ size_t GetHashesOffset() const {
+ return m_hashes_offset;
+ }
+
+ u32 GetKeyGeneration() const {
+ return m_key_generation;
+ }
+
+ const u8* GetCertificationSignature() const {
+ return m_certification.signature.data();
+ }
+
+ const u8* GetCertificationSignedArea() const {
+ return reinterpret_cast<const u8*>(std::addressof(m_certification));
+ }
+
+ const u8* GetCertificationModulus() const {
+ return m_certification.modulus.data();
+ }
+
+ const u8* GetSignature() const {
+ return m_signature.data();
+ }
+
+ size_t GetSignedAreaSize() const {
+ return m_size - GetSignedAreaOffset();
+ }
+
+ static constexpr size_t GetSignedAreaOffset() {
+ return offsetof(NrrHeader, m_program_id);
+ }
+
+private:
+ u32 m_magic;
+ u32 m_key_generation;
+ INSERT_PADDING_BYTES_NOINIT(8);
+ NrrCertification m_certification;
+ std::array<u8, 0x100> m_signature;
+ u64 m_program_id;
+ u32 m_size;
+ u8 m_nrr_kind; // 7.0.0+
+ INSERT_PADDING_BYTES_NOINIT(3);
+ u32 m_hashes_offset;
+ u32 m_num_hashes;
+ INSERT_PADDING_BYTES_NOINIT(8);
+};
+static_assert(sizeof(NrrHeader) == 0x350, "NrrHeader has wrong size");
+
+class NroHeader {
+public:
+ static constexpr u32 Magic = Common::MakeMagic('N', 'R', 'O', '0');
+
+public:
+ bool IsMagicValid() const {
+ return m_magic == Magic;
+ }
+
+ u32 GetSize() const {
+ return m_size;
+ }
+
+ u32 GetTextOffset() const {
+ return m_text_offset;
+ }
+
+ u32 GetTextSize() const {
+ return m_text_size;
+ }
+
+ u32 GetRoOffset() const {
+ return m_ro_offset;
+ }
+
+ u32 GetRoSize() const {
+ return m_ro_size;
+ }
+
+ u32 GetRwOffset() const {
+ return m_rw_offset;
+ }
+
+ u32 GetRwSize() const {
+ return m_rw_size;
+ }
+
+ u32 GetBssSize() const {
+ return m_bss_size;
+ }
+
+ const ModuleId* GetModuleId() const {
+ return std::addressof(m_module_id);
+ }
+
+private:
+ u32 m_entrypoint_insn;
+ u32 m_mod_offset;
+ INSERT_PADDING_BYTES_NOINIT(0x8);
+ u32 m_magic;
+ INSERT_PADDING_BYTES_NOINIT(0x4);
+ u32 m_size;
+ INSERT_PADDING_BYTES_NOINIT(0x4);
+ u32 m_text_offset;
+ u32 m_text_size;
+ u32 m_ro_offset;
+ u32 m_ro_size;
+ u32 m_rw_offset;
+ u32 m_rw_size;
+ u32 m_bss_size;
+ INSERT_PADDING_BYTES_NOINIT(0x4);
+ ModuleId m_module_id;
+ INSERT_PADDING_BYTES_NOINIT(0x20);
+};
+static_assert(sizeof(NroHeader) == 0x80, "NroHeader has wrong size");
+
+} // namespace Service::RO
diff --git a/src/core/hle/service/service.cpp b/src/core/hle/service/service.cpp
index 0ad607391..00531b021 100644
--- a/src/core/hle/service/service.cpp
+++ b/src/core/hle/service/service.cpp
@@ -59,6 +59,7 @@
#include "core/hle/service/prepo/prepo.h"
#include "core/hle/service/psc/psc.h"
#include "core/hle/service/ptm/ptm.h"
+#include "core/hle/service/ro/ro.h"
#include "core/hle/service/service.h"
#include "core/hle/service/set/settings.h"
#include "core/hle/service/sm/sm.h"
@@ -270,6 +271,7 @@ Services::Services(std::shared_ptr<SM::ServiceManager>& sm, Core::System& system
kernel.RunOnGuestCoreProcess("ProcessManager", [&] { PM::LoopProcess(system); });
kernel.RunOnGuestCoreProcess("psc", [&] { PSC::LoopProcess(system); });
kernel.RunOnGuestCoreProcess("ptm", [&] { PTM::LoopProcess(system); });
+ kernel.RunOnGuestCoreProcess("ro", [&] { RO::LoopProcess(system); });
kernel.RunOnGuestCoreProcess("settings", [&] { Set::LoopProcess(system); });
kernel.RunOnGuestCoreProcess("spl", [&] { SPL::LoopProcess(system); });
kernel.RunOnGuestCoreProcess("ssl", [&] { SSL::LoopProcess(system); });