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-rw-r--r--src/core/hle/service/ro/ro.cpp709
-rw-r--r--src/core/hle/service/ro/ro.h14
-rw-r--r--src/core/hle/service/ro/ro_nro_utils.cpp185
-rw-r--r--src/core/hle/service/ro/ro_nro_utils.h26
-rw-r--r--src/core/hle/service/ro/ro_results.h24
-rw-r--r--src/core/hle/service/ro/ro_types.h181
6 files changed, 1139 insertions, 0 deletions
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
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-31 10:14:14 +0200