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Diffstat (limited to '')
-rw-r--r-- | src/core/hle/service/ldr_ro/ldr_ro.cpp | 718 |
1 files changed, 0 insertions, 718 deletions
diff --git a/src/core/hle/service/ldr_ro/ldr_ro.cpp b/src/core/hle/service/ldr_ro/ldr_ro.cpp deleted file mode 100644 index 7255ea026..000000000 --- a/src/core/hle/service/ldr_ro/ldr_ro.cpp +++ /dev/null @@ -1,718 +0,0 @@ -// Copyright 2014 Citra Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include "common/alignment.h" -#include "common/common_types.h" -#include "common/logging/log.h" -#include "core/arm/arm_interface.h" -#include "core/core.h" -#include "core/hle/ipc_helpers.h" -#include "core/hle/kernel/process.h" -#include "core/hle/kernel/vm_manager.h" -#include "core/hle/service/ldr_ro/cro_helper.h" -#include "core/hle/service/ldr_ro/ldr_ro.h" -#include "core/hle/service/ldr_ro/memory_synchronizer.h" - -namespace Service { -namespace LDR { - -static const ResultCode ERROR_ALREADY_INITIALIZED = // 0xD9612FF9 - ResultCode(ErrorDescription::AlreadyInitialized, ErrorModule::RO, ErrorSummary::Internal, - ErrorLevel::Permanent); -static const ResultCode ERROR_NOT_INITIALIZED = // 0xD9612FF8 - ResultCode(ErrorDescription::NotInitialized, ErrorModule::RO, ErrorSummary::Internal, - ErrorLevel::Permanent); -static const ResultCode ERROR_BUFFER_TOO_SMALL = // 0xE0E12C1F - ResultCode(static_cast<ErrorDescription>(31), ErrorModule::RO, ErrorSummary::InvalidArgument, - ErrorLevel::Usage); -static const ResultCode ERROR_MISALIGNED_ADDRESS = // 0xD9012FF1 - ResultCode(ErrorDescription::MisalignedAddress, ErrorModule::RO, ErrorSummary::WrongArgument, - ErrorLevel::Permanent); -static const ResultCode ERROR_MISALIGNED_SIZE = // 0xD9012FF2 - ResultCode(ErrorDescription::MisalignedSize, ErrorModule::RO, ErrorSummary::WrongArgument, - ErrorLevel::Permanent); -static const ResultCode ERROR_ILLEGAL_ADDRESS = // 0xE1612C0F - ResultCode(static_cast<ErrorDescription>(15), ErrorModule::RO, ErrorSummary::Internal, - ErrorLevel::Usage); -static const ResultCode ERROR_INVALID_MEMORY_STATE = // 0xD8A12C08 - ResultCode(static_cast<ErrorDescription>(8), ErrorModule::RO, ErrorSummary::InvalidState, - ErrorLevel::Permanent); -static const ResultCode ERROR_NOT_LOADED = // 0xD8A12C0D - ResultCode(static_cast<ErrorDescription>(13), ErrorModule::RO, ErrorSummary::InvalidState, - ErrorLevel::Permanent); - -static MemorySynchronizer memory_synchronizer; - -// TODO(wwylele): this should be in the per-client storage when we implement multi-process -static VAddr loaded_crs; ///< the virtual address of the static module - -static bool VerifyBufferState(VAddr buffer_ptr, u32 size) { - auto vma = Kernel::g_current_process->vm_manager.FindVMA(buffer_ptr); - return vma != Kernel::g_current_process->vm_manager.vma_map.end() && - vma->second.base + vma->second.size >= buffer_ptr + size && - vma->second.permissions == Kernel::VMAPermission::ReadWrite && - vma->second.meminfo_state == Kernel::MemoryState::Private; -} - -/** - * LDR_RO::Initialize service function - * Inputs: - * 0 : 0x000100C2 - * 1 : CRS buffer pointer - * 2 : CRS Size - * 3 : Process memory address where the CRS will be mapped - * 4 : handle translation descriptor (zero) - * 5 : KProcess handle - * Outputs: - * 0 : Return header - * 1 : Result of function, 0 on success, otherwise error code - */ -static void Initialize(Interface* self) { - IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x01, 3, 2); - VAddr crs_buffer_ptr = rp.Pop<u32>(); - u32 crs_size = rp.Pop<u32>(); - VAddr crs_address = rp.Pop<u32>(); - // TODO (wwylele): RO service checks the descriptor here and return error 0xD9001830 for - // incorrect descriptor. This error return should be probably built in IPC::RequestParser. - // All other service functions below have the same issue. - Kernel::Handle process = rp.PopHandle(); - - LOG_DEBUG(Service_LDR, - "called, crs_buffer_ptr=0x%08X, crs_address=0x%08X, crs_size=0x%X, process=0x%08X", - crs_buffer_ptr, crs_address, crs_size, process); - - IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); - - if (loaded_crs != 0) { - LOG_ERROR(Service_LDR, "Already initialized"); - rb.Push(ERROR_ALREADY_INITIALIZED); - return; - } - - if (crs_size < CRO_HEADER_SIZE) { - LOG_ERROR(Service_LDR, "CRS is too small"); - rb.Push(ERROR_BUFFER_TOO_SMALL); - return; - } - - if (crs_buffer_ptr & Memory::PAGE_MASK) { - LOG_ERROR(Service_LDR, "CRS original address is not aligned"); - rb.Push(ERROR_MISALIGNED_ADDRESS); - return; - } - - if (crs_address & Memory::PAGE_MASK) { - LOG_ERROR(Service_LDR, "CRS mapping address is not aligned"); - rb.Push(ERROR_MISALIGNED_ADDRESS); - return; - } - - if (crs_size & Memory::PAGE_MASK) { - LOG_ERROR(Service_LDR, "CRS size is not aligned"); - rb.Push(ERROR_MISALIGNED_SIZE); - return; - } - - if (!VerifyBufferState(crs_buffer_ptr, crs_size)) { - LOG_ERROR(Service_LDR, "CRS original buffer is in invalid state"); - rb.Push(ERROR_INVALID_MEMORY_STATE); - return; - } - - if (crs_address < Memory::PROCESS_IMAGE_VADDR || - crs_address + crs_size > Memory::PROCESS_IMAGE_VADDR_END) { - LOG_ERROR(Service_LDR, "CRS mapping address is not in the process image region"); - rb.Push(ERROR_ILLEGAL_ADDRESS); - return; - } - - ResultCode result = RESULT_SUCCESS; - - if (crs_buffer_ptr != crs_address) { - // TODO(wwylele): should be memory aliasing - std::shared_ptr<std::vector<u8>> crs_mem = std::make_shared<std::vector<u8>>(crs_size); - Memory::ReadBlock(crs_buffer_ptr, crs_mem->data(), crs_size); - result = Kernel::g_current_process->vm_manager - .MapMemoryBlock(crs_address, crs_mem, 0, crs_size, Kernel::MemoryState::Code) - .Code(); - if (result.IsError()) { - LOG_ERROR(Service_LDR, "Error mapping memory block %08X", result.raw); - rb.Push(result); - return; - } - - result = Kernel::g_current_process->vm_manager.ReprotectRange(crs_address, crs_size, - Kernel::VMAPermission::Read); - if (result.IsError()) { - LOG_ERROR(Service_LDR, "Error reprotecting memory block %08X", result.raw); - rb.Push(result); - return; - } - - memory_synchronizer.AddMemoryBlock(crs_address, crs_buffer_ptr, crs_size); - } else { - // Do nothing if buffer_ptr == address - // TODO(wwylele): verify this behaviour. This is only seen in the web browser app, - // and the actual behaviour is unclear. "Do nothing" is probably an incorrect implement. - // There is also a chance that another issue causes the app passing wrong arguments. - LOG_WARNING(Service_LDR, "crs_buffer_ptr == crs_address (0x%08X)", crs_address); - } - - CROHelper crs(crs_address); - crs.InitCRS(); - - result = crs.Rebase(0, crs_size, 0, 0, 0, 0, true); - if (result.IsError()) { - LOG_ERROR(Service_LDR, "Error rebasing CRS 0x%08X", result.raw); - rb.Push(result); - return; - } - - memory_synchronizer.SynchronizeOriginalMemory(); - - loaded_crs = crs_address; - - rb.Push(RESULT_SUCCESS); -} - -/** - * LDR_RO::LoadCRR service function - * Inputs: - * 0 : 0x00020082 - * 1 : CRR buffer pointer - * 2 : CRR Size - * 3 : handle translation descriptor (zero) - * 4 : KProcess handle - * Outputs: - * 0 : Return header - * 1 : Result of function, 0 on success, otherwise error code - */ -static void LoadCRR(Interface* self) { - IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x02, 2, 2); - VAddr crr_buffer_ptr = rp.Pop<u32>(); - u32 crr_size = rp.Pop<u32>(); - Kernel::Handle process = rp.PopHandle(); - - IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); - rb.Push(RESULT_SUCCESS); - - LOG_WARNING(Service_LDR, - "(STUBBED) called, crr_buffer_ptr=0x%08X, crr_size=0x%08X, process=0x%08X", - crr_buffer_ptr, crr_size, process); -} - -/** - * LDR_RO::UnloadCRR service function - * Inputs: - * 0 : 0x00030042 - * 1 : CRR buffer pointer - * 2 : handle translation descriptor (zero) - * 3 : KProcess handle - * Outputs: - * 0 : Return header - * 1 : Result of function, 0 on success, otherwise error code - */ -static void UnloadCRR(Interface* self) { - IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x03, 1, 2); - u32 crr_buffer_ptr = rp.Pop<u32>(); - Kernel::Handle process = rp.PopHandle(); - - IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); - rb.Push(RESULT_SUCCESS); - - LOG_WARNING(Service_LDR, "(STUBBED) called, crr_buffer_ptr=0x%08X, process=0x%08X", - crr_buffer_ptr, process); -} - -/** - * LDR_RO::LoadCRO service function - * Inputs: - * 0 : 0x000402C2 (old) / 0x000902C2 (new) - * 1 : CRO buffer pointer - * 2 : memory address where the CRO will be mapped - * 3 : CRO Size - * 4 : .data segment buffer pointer - * 5 : must be zero - * 6 : .data segment buffer size - * 7 : .bss segment buffer pointer - * 8 : .bss segment buffer size - * 9 : (bool) register CRO as auto-link module - * 10 : fix level - * 11 : CRR address (zero if use loaded CRR) - * 12 : handle translation descriptor (zero) - * 13 : KProcess handle - * Outputs: - * 0 : Return header - * 1 : Result of function, 0 on success, otherwise error code - * 2 : CRO fixed size - * Note: - * This service function has two versions. The function defined here is a - * unified one of two, with an additional parameter link_on_load_bug_fix. - * There is a dispatcher template below. - */ -static void LoadCRO(Interface* self, bool link_on_load_bug_fix) { - IPC::RequestParser rp(Kernel::GetCommandBuffer(), link_on_load_bug_fix ? 0x09 : 0x04, 11, 2); - VAddr cro_buffer_ptr = rp.Pop<u32>(); - VAddr cro_address = rp.Pop<u32>(); - u32 cro_size = rp.Pop<u32>(); - VAddr data_segment_address = rp.Pop<u32>(); - u32 zero = rp.Pop<u32>(); - u32 data_segment_size = rp.Pop<u32>(); - u32 bss_segment_address = rp.Pop<u32>(); - u32 bss_segment_size = rp.Pop<u32>(); - bool auto_link = rp.Pop<bool>(); - u32 fix_level = rp.Pop<u32>(); - VAddr crr_address = rp.Pop<u32>(); - Kernel::Handle process = rp.PopHandle(); - - LOG_DEBUG(Service_LDR, "called (%s), cro_buffer_ptr=0x%08X, cro_address=0x%08X, cro_size=0x%X, " - "data_segment_address=0x%08X, zero=%d, data_segment_size=0x%X, " - "bss_segment_address=0x%08X, bss_segment_size=0x%X, auto_link=%s, " - "fix_level=%d, crr_address=0x%08X, process=0x%08X", - link_on_load_bug_fix ? "new" : "old", cro_buffer_ptr, cro_address, cro_size, - data_segment_address, zero, data_segment_size, bss_segment_address, bss_segment_size, - auto_link ? "true" : "false", fix_level, crr_address, process); - - IPC::RequestBuilder rb = rp.MakeBuilder(2, 0); - - if (loaded_crs == 0) { - LOG_ERROR(Service_LDR, "Not initialized"); - rb.Push(ERROR_NOT_INITIALIZED); - rb.Push<u32>(0); - return; - } - - if (cro_size < CRO_HEADER_SIZE) { - LOG_ERROR(Service_LDR, "CRO too small"); - rb.Push(ERROR_BUFFER_TOO_SMALL); - rb.Push<u32>(0); - return; - } - - if (cro_buffer_ptr & Memory::PAGE_MASK) { - LOG_ERROR(Service_LDR, "CRO original address is not aligned"); - rb.Push(ERROR_MISALIGNED_ADDRESS); - rb.Push<u32>(0); - return; - } - - if (cro_address & Memory::PAGE_MASK) { - LOG_ERROR(Service_LDR, "CRO mapping address is not aligned"); - rb.Push(ERROR_MISALIGNED_ADDRESS); - rb.Push<u32>(0); - return; - } - - if (cro_size & Memory::PAGE_MASK) { - LOG_ERROR(Service_LDR, "CRO size is not aligned"); - rb.Push(ERROR_MISALIGNED_SIZE); - rb.Push<u32>(0); - return; - } - - if (!VerifyBufferState(cro_buffer_ptr, cro_size)) { - LOG_ERROR(Service_LDR, "CRO original buffer is in invalid state"); - rb.Push(ERROR_INVALID_MEMORY_STATE); - rb.Push<u32>(0); - return; - } - - if (cro_address < Memory::PROCESS_IMAGE_VADDR || - cro_address + cro_size > Memory::PROCESS_IMAGE_VADDR_END) { - LOG_ERROR(Service_LDR, "CRO mapping address is not in the process image region"); - rb.Push(ERROR_ILLEGAL_ADDRESS); - rb.Push<u32>(0); - return; - } - - if (zero) { - LOG_ERROR(Service_LDR, "Zero is not zero %d", zero); - rb.Push(ResultCode(static_cast<ErrorDescription>(29), ErrorModule::RO, - ErrorSummary::Internal, ErrorLevel::Usage)); - rb.Push<u32>(0); - return; - } - - ResultCode result = RESULT_SUCCESS; - - if (cro_buffer_ptr != cro_address) { - // TODO(wwylele): should be memory aliasing - std::shared_ptr<std::vector<u8>> cro_mem = std::make_shared<std::vector<u8>>(cro_size); - Memory::ReadBlock(cro_buffer_ptr, cro_mem->data(), cro_size); - result = Kernel::g_current_process->vm_manager - .MapMemoryBlock(cro_address, cro_mem, 0, cro_size, Kernel::MemoryState::Code) - .Code(); - if (result.IsError()) { - LOG_ERROR(Service_LDR, "Error mapping memory block %08X", result.raw); - rb.Push(result); - rb.Push<u32>(0); - return; - } - - result = Kernel::g_current_process->vm_manager.ReprotectRange(cro_address, cro_size, - Kernel::VMAPermission::Read); - if (result.IsError()) { - LOG_ERROR(Service_LDR, "Error reprotecting memory block %08X", result.raw); - Kernel::g_current_process->vm_manager.UnmapRange(cro_address, cro_size); - rb.Push(result); - rb.Push<u32>(0); - return; - } - - memory_synchronizer.AddMemoryBlock(cro_address, cro_buffer_ptr, cro_size); - } else { - // Do nothing if buffer_ptr == address - // TODO(wwylele): verify this behaviour. - // This is derived from the case of LoadCRS with buffer_ptr==address, - // and is never seen in any game. "Do nothing" is probably an incorrect implement. - // There is also a chance that this case is just prohibited. - LOG_WARNING(Service_LDR, "cro_buffer_ptr == cro_address (0x%08X)", cro_address); - } - - CROHelper cro(cro_address); - - result = cro.VerifyHash(cro_size, crr_address); - if (result.IsError()) { - LOG_ERROR(Service_LDR, "Error verifying CRO in CRR %08X", result.raw); - Kernel::g_current_process->vm_manager.UnmapRange(cro_address, cro_size); - rb.Push(result); - rb.Push<u32>(0); - return; - } - - result = cro.Rebase(loaded_crs, cro_size, data_segment_address, data_segment_size, - bss_segment_address, bss_segment_size, false); - if (result.IsError()) { - LOG_ERROR(Service_LDR, "Error rebasing CRO %08X", result.raw); - Kernel::g_current_process->vm_manager.UnmapRange(cro_address, cro_size); - rb.Push(result); - rb.Push<u32>(0); - return; - } - - result = cro.Link(loaded_crs, link_on_load_bug_fix); - if (result.IsError()) { - LOG_ERROR(Service_LDR, "Error linking CRO %08X", result.raw); - Kernel::g_current_process->vm_manager.UnmapRange(cro_address, cro_size); - rb.Push(result); - rb.Push<u32>(0); - return; - } - - cro.Register(loaded_crs, auto_link); - - u32 fix_size = cro.Fix(fix_level); - - memory_synchronizer.SynchronizeOriginalMemory(); - - // TODO(wwylele): verify the behaviour when buffer_ptr == address - if (cro_buffer_ptr != cro_address) { - if (fix_size != cro_size) { - result = Kernel::g_current_process->vm_manager.UnmapRange(cro_address + fix_size, - cro_size - fix_size); - if (result.IsError()) { - LOG_ERROR(Service_LDR, "Error unmapping memory block %08X", result.raw); - Kernel::g_current_process->vm_manager.UnmapRange(cro_address, cro_size); - rb.Push(result); - rb.Push<u32>(0); - return; - } - } - - // Changes the block size - memory_synchronizer.ResizeMemoryBlock(cro_address, cro_buffer_ptr, fix_size); - } - - VAddr exe_begin; - u32 exe_size; - std::tie(exe_begin, exe_size) = cro.GetExecutablePages(); - if (exe_begin) { - result = Kernel::g_current_process->vm_manager.ReprotectRange( - exe_begin, exe_size, Kernel::VMAPermission::ReadExecute); - if (result.IsError()) { - LOG_ERROR(Service_LDR, "Error reprotecting memory block %08X", result.raw); - Kernel::g_current_process->vm_manager.UnmapRange(cro_address, fix_size); - rb.Push(result); - rb.Push<u32>(0); - return; - } - } - - Core::CPU().ClearInstructionCache(); - - LOG_INFO(Service_LDR, "CRO \"%s\" loaded at 0x%08X, fixed_end=0x%08X", cro.ModuleName().data(), - cro_address, cro_address + fix_size); - - rb.Push(RESULT_SUCCESS, fix_size); -} - -template <bool link_on_load_bug_fix> -static void LoadCRO(Interface* self) { - LoadCRO(self, link_on_load_bug_fix); -} - -/** - * LDR_RO::UnloadCRO service function - * Inputs: - * 0 : 0x000500C2 - * 1 : mapped CRO pointer - * 2 : zero? (RO service doesn't care) - * 3 : original CRO pointer - * 4 : handle translation descriptor (zero) - * 5 : KProcess handle - * Outputs: - * 0 : Return header - * 1 : Result of function, 0 on success, otherwise error code - */ -static void UnloadCRO(Interface* self) { - IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x05, 3, 2); - VAddr cro_address = rp.Pop<u32>(); - u32 zero = rp.Pop<u32>(); - VAddr cro_buffer_ptr = rp.Pop<u32>(); - Kernel::Handle process = rp.PopHandle(); - - LOG_DEBUG(Service_LDR, - "called, cro_address=0x%08X, zero=%d, cro_buffer_ptr=0x%08X, process=0x%08X", - cro_address, zero, cro_buffer_ptr, process); - - CROHelper cro(cro_address); - - IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); - - if (loaded_crs == 0) { - LOG_ERROR(Service_LDR, "Not initialized"); - rb.Push(ERROR_NOT_INITIALIZED); - return; - } - - if (cro_address & Memory::PAGE_MASK) { - LOG_ERROR(Service_LDR, "CRO address is not aligned"); - rb.Push(ERROR_MISALIGNED_ADDRESS); - return; - } - - if (!cro.IsLoaded()) { - LOG_ERROR(Service_LDR, "Invalid or not loaded CRO"); - rb.Push(ERROR_NOT_LOADED); - return; - } - - LOG_INFO(Service_LDR, "Unloading CRO \"%s\"", cro.ModuleName().data()); - - u32 fixed_size = cro.GetFixedSize(); - - cro.Unregister(loaded_crs); - - ResultCode result = cro.Unlink(loaded_crs); - if (result.IsError()) { - LOG_ERROR(Service_LDR, "Error unlinking CRO %08X", result.raw); - rb.Push(result); - return; - } - - // If the module is not fixed, clears all external/internal relocations - // to restore the state before loading, so that it can be loaded again(?) - if (!cro.IsFixed()) { - result = cro.ClearRelocations(); - if (result.IsError()) { - LOG_ERROR(Service_LDR, "Error clearing relocations %08X", result.raw); - rb.Push(result); - return; - } - } - - cro.Unrebase(false); - - memory_synchronizer.SynchronizeOriginalMemory(); - - // TODO(wwylele): verify the behaviour when buffer_ptr == address - if (cro_address != cro_buffer_ptr) { - result = Kernel::g_current_process->vm_manager.UnmapRange(cro_address, fixed_size); - if (result.IsError()) { - LOG_ERROR(Service_LDR, "Error unmapping CRO %08X", result.raw); - } - memory_synchronizer.RemoveMemoryBlock(cro_address, cro_buffer_ptr); - } - - Core::CPU().ClearInstructionCache(); - - rb.Push(result); -} - -/** - * LDR_RO::LinkCRO service function - * Inputs: - * 0 : 0x00060042 - * 1 : mapped CRO pointer - * 2 : handle translation descriptor (zero) - * 3 : KProcess handle - * Outputs: - * 0 : Return header - * 1 : Result of function, 0 on success, otherwise error code - */ -static void LinkCRO(Interface* self) { - IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x06, 1, 2); - VAddr cro_address = rp.Pop<u32>(); - Kernel::Handle process = rp.PopHandle(); - - LOG_DEBUG(Service_LDR, "called, cro_address=0x%08X, process=0x%08X", cro_address, process); - - CROHelper cro(cro_address); - - IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); - - if (loaded_crs == 0) { - LOG_ERROR(Service_LDR, "Not initialized"); - rb.Push(ERROR_NOT_INITIALIZED); - return; - } - - if (cro_address & Memory::PAGE_MASK) { - LOG_ERROR(Service_LDR, "CRO address is not aligned"); - rb.Push(ERROR_MISALIGNED_ADDRESS); - return; - } - - if (!cro.IsLoaded()) { - LOG_ERROR(Service_LDR, "Invalid or not loaded CRO"); - rb.Push(ERROR_NOT_LOADED); - return; - } - - LOG_INFO(Service_LDR, "Linking CRO \"%s\"", cro.ModuleName().data()); - - ResultCode result = cro.Link(loaded_crs, false); - if (result.IsError()) { - LOG_ERROR(Service_LDR, "Error linking CRO %08X", result.raw); - } - - memory_synchronizer.SynchronizeOriginalMemory(); - Core::CPU().ClearInstructionCache(); - - rb.Push(result); -} - -/** - * LDR_RO::UnlinkCRO service function - * Inputs: - * 0 : 0x00070042 - * 1 : mapped CRO pointer - * 2 : handle translation descriptor (zero) - * 3 : KProcess handle - * Outputs: - * 0 : Return header - * 1 : Result of function, 0 on success, otherwise error code - */ -static void UnlinkCRO(Interface* self) { - IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x07, 1, 2); - VAddr cro_address = rp.Pop<u32>(); - Kernel::Handle process = rp.PopHandle(); - - LOG_DEBUG(Service_LDR, "called, cro_address=0x%08X, process=0x%08X", cro_address, process); - - CROHelper cro(cro_address); - - IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); - - if (loaded_crs == 0) { - LOG_ERROR(Service_LDR, "Not initialized"); - rb.Push(ERROR_NOT_INITIALIZED); - return; - } - - if (cro_address & Memory::PAGE_MASK) { - LOG_ERROR(Service_LDR, "CRO address is not aligned"); - rb.Push(ERROR_MISALIGNED_ADDRESS); - return; - } - - if (!cro.IsLoaded()) { - LOG_ERROR(Service_LDR, "Invalid or not loaded CRO"); - rb.Push(ERROR_NOT_LOADED); - return; - } - - LOG_INFO(Service_LDR, "Unlinking CRO \"%s\"", cro.ModuleName().data()); - - ResultCode result = cro.Unlink(loaded_crs); - if (result.IsError()) { - LOG_ERROR(Service_LDR, "Error unlinking CRO %08X", result.raw); - } - - memory_synchronizer.SynchronizeOriginalMemory(); - Core::CPU().ClearInstructionCache(); - - rb.Push(result); -} - -/** - * LDR_RO::Shutdown service function - * Inputs: - * 0 : 0x00080042 - * 1 : original CRS buffer pointer - * 2 : handle translation descriptor (zero) - * 3 : KProcess handle - * Outputs: - * 0 : Return header - * 1 : Result of function, 0 on success, otherwise error code - */ -static void Shutdown(Interface* self) { - IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x08, 1, 2); - VAddr crs_buffer_ptr = rp.Pop<u32>(); - Kernel::Handle process = rp.PopHandle(); - - LOG_DEBUG(Service_LDR, "called, crs_buffer_ptr=0x%08X, process=0x%08X", crs_buffer_ptr, - process); - - IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); - - if (loaded_crs == 0) { - LOG_ERROR(Service_LDR, "Not initialized"); - rb.Push(ERROR_NOT_INITIALIZED); - return; - } - - CROHelper crs(loaded_crs); - crs.Unrebase(true); - - memory_synchronizer.SynchronizeOriginalMemory(); - - ResultCode result = RESULT_SUCCESS; - - // TODO(wwylele): verify the behaviour when buffer_ptr == address - if (loaded_crs != crs_buffer_ptr) { - result = Kernel::g_current_process->vm_manager.UnmapRange(loaded_crs, crs.GetFileSize()); - if (result.IsError()) { - LOG_ERROR(Service_LDR, "Error unmapping CRS %08X", result.raw); - } - memory_synchronizer.RemoveMemoryBlock(loaded_crs, crs_buffer_ptr); - } - - loaded_crs = 0; - rb.Push(result); -} - -const Interface::FunctionInfo FunctionTable[] = { - // clang-format off - {0x000100C2, Initialize, "Initialize"}, - {0x00020082, LoadCRR, "LoadCRR"}, - {0x00030042, UnloadCRR, "UnloadCRR"}, - {0x000402C2, LoadCRO<false>, "LoadCRO"}, - {0x000500C2, UnloadCRO, "UnloadCRO"}, - {0x00060042, LinkCRO, "LinkCRO"}, - {0x00070042, UnlinkCRO, "UnlinkCRO"}, - {0x00080042, Shutdown, "Shutdown"}, - {0x000902C2, LoadCRO<true>, "LoadCRO_New"}, - // clang-format on -}; - -LDR_RO::LDR_RO() { - Register(FunctionTable); - - loaded_crs = 0; - memory_synchronizer.Clear(); -} - -} // namespace LDR -} // namespace Service |