diff options
Diffstat (limited to '')
| -rw-r--r-- | src/core/hle/service/ldr/ldr.cpp | 45 |
1 files changed, 33 insertions, 12 deletions
diff --git a/src/core/hle/service/ldr/ldr.cpp b/src/core/hle/service/ldr/ldr.cpp index 5af925515..3164ca26e 100644 --- a/src/core/hle/service/ldr/ldr.cpp +++ b/src/core/hle/service/ldr/ldr.cpp @@ -78,7 +78,7 @@ public: class RelocatableObject final : public ServiceFramework<RelocatableObject> { public: - explicit RelocatableObject() : ServiceFramework{"ldr:ro"} { + explicit RelocatableObject(Core::System& system) : ServiceFramework{"ldr:ro"}, system(system) { // clang-format off static const FunctionInfo functions[] = { {0, &RelocatableObject::LoadNro, "LoadNro"}, @@ -310,7 +310,7 @@ public: if (!IsValidNROHash(hash)) { LOG_ERROR(Service_LDR, "NRO hash is not present in any currently loaded NRRs (hash={})!", - Common::HexArrayToString(hash)); + Common::HexToString(hash)); IPC::ResponseBuilder rb{ctx, 2}; rb.Push(ERROR_MISSING_NRR_HASH); return; @@ -345,14 +345,16 @@ public: vm_manager .MirrorMemory(*map_address, nro_address, nro_size, Kernel::MemoryState::ModuleCode) .IsSuccess()); - ASSERT(vm_manager.UnmapRange(nro_address, nro_size).IsSuccess()); + ASSERT(vm_manager.ReprotectRange(nro_address, nro_size, Kernel::VMAPermission::None) + .IsSuccess()); if (bss_size > 0) { ASSERT(vm_manager .MirrorMemory(*map_address + nro_size, bss_address, bss_size, Kernel::MemoryState::ModuleCode) .IsSuccess()); - ASSERT(vm_manager.UnmapRange(bss_address, bss_size).IsSuccess()); + ASSERT(vm_manager.ReprotectRange(bss_address, bss_size, Kernel::VMAPermission::None) + .IsSuccess()); } vm_manager.ReprotectRange(*map_address, header.text_size, @@ -362,9 +364,10 @@ public: vm_manager.ReprotectRange(*map_address + header.rw_offset, header.rw_size, Kernel::VMAPermission::ReadWrite); - Core::System::GetInstance().InvalidateCpuInstructionCaches(); + system.InvalidateCpuInstructionCaches(); - nro.insert_or_assign(*map_address, NROInfo{hash, nro_size + bss_size}); + nro.insert_or_assign(*map_address, + NROInfo{hash, nro_address, nro_size, bss_address, bss_size}); IPC::ResponseBuilder rb{ctx, 4}; rb.Push(RESULT_SUCCESS); @@ -409,11 +412,25 @@ public: } auto& vm_manager = Core::CurrentProcess()->VMManager(); - const auto& nro_size = iter->second.size; + const auto& nro_info = iter->second; - ASSERT(vm_manager.UnmapRange(nro_address, nro_size).IsSuccess()); + // Unmap the mirrored memory + ASSERT( + vm_manager.UnmapRange(nro_address, nro_info.nro_size + nro_info.bss_size).IsSuccess()); + + // Reprotect the source memory + ASSERT(vm_manager + .ReprotectRange(nro_info.nro_address, nro_info.nro_size, + Kernel::VMAPermission::ReadWrite) + .IsSuccess()); + if (nro_info.bss_size > 0) { + ASSERT(vm_manager + .ReprotectRange(nro_info.bss_address, nro_info.bss_size, + Kernel::VMAPermission::ReadWrite) + .IsSuccess()); + } - Core::System::GetInstance().InvalidateCpuInstructionCaches(); + system.InvalidateCpuInstructionCaches(); nro.erase(iter); IPC::ResponseBuilder rb{ctx, 2}; @@ -473,7 +490,10 @@ private: struct NROInfo { SHA256Hash hash; - u64 size; + VAddr nro_address; + u64 nro_size; + VAddr bss_address; + u64 bss_size; }; bool initialized = false; @@ -496,13 +516,14 @@ private: Common::Is4KBAligned(header.text_size) && Common::Is4KBAligned(header.ro_size) && Common::Is4KBAligned(header.rw_size); } + Core::System& system; }; -void InstallInterfaces(SM::ServiceManager& sm) { +void InstallInterfaces(SM::ServiceManager& sm, Core::System& system) { std::make_shared<DebugMonitor>()->InstallAsService(sm); std::make_shared<ProcessManager>()->InstallAsService(sm); std::make_shared<Shell>()->InstallAsService(sm); - std::make_shared<RelocatableObject>()->InstallAsService(sm); + std::make_shared<RelocatableObject>(system)->InstallAsService(sm); } } // namespace Service::LDR |