mirror of
https://github.com/PabloMK7/citra.git
synced 2025-10-31 13:50:03 +00:00
ldr_ro: create per-client storage; pass process where needed
This commit is contained in:
wwylele
parent
8e4e663113
commit
9749a43cc4
4 changed files with 77 additions and 56 deletions
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@ -40,9 +40,9 @@ static const ResultCode ERROR_NOT_LOADED = // 0xD8A12C0D
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ResultCode(static_cast<ErrorDescription>(13), ErrorModule::RO, ErrorSummary::InvalidState,
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ErrorLevel::Permanent);
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static bool VerifyBufferState(VAddr buffer_ptr, u32 size) {
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auto vma = Kernel::g_current_process->vm_manager.FindVMA(buffer_ptr);
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return vma != Kernel::g_current_process->vm_manager.vma_map.end() &&
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static bool VerifyBufferState(Kernel::Process& process, VAddr buffer_ptr, u32 size) {
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auto vma = process.vm_manager.FindVMA(buffer_ptr);
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return vma != process.vm_manager.vma_map.end() &&
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vma->second.base + vma->second.size >= buffer_ptr + size &&
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vma->second.permissions == Kernel::VMAPermission::ReadWrite &&
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vma->second.meminfo_state == Kernel::MemoryState::Private;
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@ -63,12 +63,15 @@ void RO::Initialize(Kernel::HLERequestContext& ctx) {
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IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
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if (loaded_crs != 0) {
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auto insert_result = slots.insert({process->process_id, {}});
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if (!insert_result.second) {
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LOG_ERROR(Service_LDR, "Already initialized");
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rb.Push(ERROR_ALREADY_INITIALIZED);
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return;
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}
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auto& slot = insert_result.first->second;
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if (crs_size < CRO_HEADER_SIZE) {
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LOG_ERROR(Service_LDR, "CRS is too small");
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rb.Push(ERROR_BUFFER_TOO_SMALL);
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@ -93,7 +96,7 @@ void RO::Initialize(Kernel::HLERequestContext& ctx) {
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return;
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}
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if (!VerifyBufferState(crs_buffer_ptr, crs_size)) {
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if (!VerifyBufferState(*process, crs_buffer_ptr, crs_size)) {
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LOG_ERROR(Service_LDR, "CRS original buffer is in invalid state");
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rb.Push(ERROR_INVALID_MEMORY_STATE);
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return;
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@ -112,7 +115,7 @@ void RO::Initialize(Kernel::HLERequestContext& ctx) {
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// TODO(wwylele): should be memory aliasing
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std::shared_ptr<std::vector<u8>> crs_mem = std::make_shared<std::vector<u8>>(crs_size);
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Memory::ReadBlock(crs_buffer_ptr, crs_mem->data(), crs_size);
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result = Kernel::g_current_process->vm_manager
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result = process->vm_manager
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.MapMemoryBlock(crs_address, crs_mem, 0, crs_size, Kernel::MemoryState::Code)
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.Code();
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if (result.IsError()) {
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@ -121,15 +124,15 @@ void RO::Initialize(Kernel::HLERequestContext& ctx) {
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return;
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}
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result = Kernel::g_current_process->vm_manager.ReprotectRange(crs_address, crs_size,
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Kernel::VMAPermission::Read);
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result =
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process->vm_manager.ReprotectRange(crs_address, crs_size, Kernel::VMAPermission::Read);
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if (result.IsError()) {
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LOG_ERROR(Service_LDR, "Error reprotecting memory block %08X", result.raw);
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rb.Push(result);
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return;
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}
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memory_synchronizer.AddMemoryBlock(crs_address, crs_buffer_ptr, crs_size);
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slot.memory_synchronizer.AddMemoryBlock(crs_address, crs_buffer_ptr, crs_size);
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} else {
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// Do nothing if buffer_ptr == address
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// TODO(wwylele): verify this behaviour. This is only seen in the web browser app,
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@ -148,9 +151,9 @@ void RO::Initialize(Kernel::HLERequestContext& ctx) {
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return;
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}
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memory_synchronizer.SynchronizeOriginalMemory();
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slot.memory_synchronizer.SynchronizeOriginalMemory(*process);
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loaded_crs = crs_address;
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slot.loaded_crs = crs_address;
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rb.Push(RESULT_SUCCESS);
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}
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@ -204,12 +207,14 @@ void RO::LoadCRO(Kernel::HLERequestContext& ctx, bool link_on_load_bug_fix) {
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IPC::RequestBuilder rb = rp.MakeBuilder(2, 0);
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if (loaded_crs == 0) {
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auto find_result = slots.find(process->process_id);
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if (find_result == slots.end()) {
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LOG_ERROR(Service_LDR, "Not initialized");
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rb.Push(ERROR_NOT_INITIALIZED);
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rb.Push<u32>(0);
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return;
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}
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auto& slot = find_result->second;
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if (cro_size < CRO_HEADER_SIZE) {
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LOG_ERROR(Service_LDR, "CRO too small");
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@ -239,7 +244,7 @@ void RO::LoadCRO(Kernel::HLERequestContext& ctx, bool link_on_load_bug_fix) {
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return;
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}
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if (!VerifyBufferState(cro_buffer_ptr, cro_size)) {
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if (!VerifyBufferState(*process, cro_buffer_ptr, cro_size)) {
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LOG_ERROR(Service_LDR, "CRO original buffer is in invalid state");
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rb.Push(ERROR_INVALID_MEMORY_STATE);
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rb.Push<u32>(0);
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@ -268,7 +273,7 @@ void RO::LoadCRO(Kernel::HLERequestContext& ctx, bool link_on_load_bug_fix) {
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// TODO(wwylele): should be memory aliasing
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std::shared_ptr<std::vector<u8>> cro_mem = std::make_shared<std::vector<u8>>(cro_size);
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Memory::ReadBlock(cro_buffer_ptr, cro_mem->data(), cro_size);
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result = Kernel::g_current_process->vm_manager
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result = process->vm_manager
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.MapMemoryBlock(cro_address, cro_mem, 0, cro_size, Kernel::MemoryState::Code)
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.Code();
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if (result.IsError()) {
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@ -278,17 +283,17 @@ void RO::LoadCRO(Kernel::HLERequestContext& ctx, bool link_on_load_bug_fix) {
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return;
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}
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result = Kernel::g_current_process->vm_manager.ReprotectRange(cro_address, cro_size,
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Kernel::VMAPermission::Read);
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result =
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process->vm_manager.ReprotectRange(cro_address, cro_size, Kernel::VMAPermission::Read);
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if (result.IsError()) {
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LOG_ERROR(Service_LDR, "Error reprotecting memory block %08X", result.raw);
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Kernel::g_current_process->vm_manager.UnmapRange(cro_address, cro_size);
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process->vm_manager.UnmapRange(cro_address, cro_size);
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rb.Push(result);
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rb.Push<u32>(0);
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return;
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}
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memory_synchronizer.AddMemoryBlock(cro_address, cro_buffer_ptr, cro_size);
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slot.memory_synchronizer.AddMemoryBlock(cro_address, cro_buffer_ptr, cro_size);
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} else {
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// Do nothing if buffer_ptr == address
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// TODO(wwylele): verify this behaviour.
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@ -303,45 +308,44 @@ void RO::LoadCRO(Kernel::HLERequestContext& ctx, bool link_on_load_bug_fix) {
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result = cro.VerifyHash(cro_size, crr_address);
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if (result.IsError()) {
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LOG_ERROR(Service_LDR, "Error verifying CRO in CRR %08X", result.raw);
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Kernel::g_current_process->vm_manager.UnmapRange(cro_address, cro_size);
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process->vm_manager.UnmapRange(cro_address, cro_size);
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rb.Push(result);
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rb.Push<u32>(0);
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return;
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}
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result = cro.Rebase(loaded_crs, cro_size, data_segment_address, data_segment_size,
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result = cro.Rebase(slot.loaded_crs, cro_size, data_segment_address, data_segment_size,
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bss_segment_address, bss_segment_size, false);
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if (result.IsError()) {
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LOG_ERROR(Service_LDR, "Error rebasing CRO %08X", result.raw);
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Kernel::g_current_process->vm_manager.UnmapRange(cro_address, cro_size);
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process->vm_manager.UnmapRange(cro_address, cro_size);
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rb.Push(result);
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rb.Push<u32>(0);
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return;
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}
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result = cro.Link(loaded_crs, link_on_load_bug_fix);
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result = cro.Link(slot.loaded_crs, link_on_load_bug_fix);
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if (result.IsError()) {
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LOG_ERROR(Service_LDR, "Error linking CRO %08X", result.raw);
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Kernel::g_current_process->vm_manager.UnmapRange(cro_address, cro_size);
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process->vm_manager.UnmapRange(cro_address, cro_size);
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rb.Push(result);
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rb.Push<u32>(0);
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return;
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}
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cro.Register(loaded_crs, auto_link);
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cro.Register(slot.loaded_crs, auto_link);
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u32 fix_size = cro.Fix(fix_level);
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memory_synchronizer.SynchronizeOriginalMemory();
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slot.memory_synchronizer.SynchronizeOriginalMemory(*process);
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// TODO(wwylele): verify the behaviour when buffer_ptr == address
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if (cro_buffer_ptr != cro_address) {
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if (fix_size != cro_size) {
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result = Kernel::g_current_process->vm_manager.UnmapRange(cro_address + fix_size,
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cro_size - fix_size);
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result = process->vm_manager.UnmapRange(cro_address + fix_size, cro_size - fix_size);
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if (result.IsError()) {
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LOG_ERROR(Service_LDR, "Error unmapping memory block %08X", result.raw);
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Kernel::g_current_process->vm_manager.UnmapRange(cro_address, cro_size);
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process->vm_manager.UnmapRange(cro_address, cro_size);
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rb.Push(result);
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rb.Push<u32>(0);
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return;
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@ -349,18 +353,18 @@ void RO::LoadCRO(Kernel::HLERequestContext& ctx, bool link_on_load_bug_fix) {
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}
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// Changes the block size
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memory_synchronizer.ResizeMemoryBlock(cro_address, cro_buffer_ptr, fix_size);
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slot.memory_synchronizer.ResizeMemoryBlock(cro_address, cro_buffer_ptr, fix_size);
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}
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VAddr exe_begin;
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u32 exe_size;
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std::tie(exe_begin, exe_size) = cro.GetExecutablePages();
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if (exe_begin) {
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result = Kernel::g_current_process->vm_manager.ReprotectRange(
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exe_begin, exe_size, Kernel::VMAPermission::ReadExecute);
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result = process->vm_manager.ReprotectRange(exe_begin, exe_size,
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Kernel::VMAPermission::ReadExecute);
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if (result.IsError()) {
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LOG_ERROR(Service_LDR, "Error reprotecting memory block %08X", result.raw);
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Kernel::g_current_process->vm_manager.UnmapRange(cro_address, fix_size);
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process->vm_manager.UnmapRange(cro_address, fix_size);
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rb.Push(result);
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rb.Push<u32>(0);
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return;
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@ -389,11 +393,13 @@ void RO::UnloadCRO(Kernel::HLERequestContext& ctx) {
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IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
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if (loaded_crs == 0) {
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auto find_result = slots.find(process->process_id);
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if (find_result == slots.end()) {
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LOG_ERROR(Service_LDR, "Not initialized");
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rb.Push(ERROR_NOT_INITIALIZED);
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return;
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}
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auto& slot = find_result->second;
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if (cro_address & Memory::PAGE_MASK) {
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LOG_ERROR(Service_LDR, "CRO address is not aligned");
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@ -411,9 +417,9 @@ void RO::UnloadCRO(Kernel::HLERequestContext& ctx) {
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u32 fixed_size = cro.GetFixedSize();
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cro.Unregister(loaded_crs);
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cro.Unregister(slot.loaded_crs);
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ResultCode result = cro.Unlink(loaded_crs);
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ResultCode result = cro.Unlink(slot.loaded_crs);
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if (result.IsError()) {
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LOG_ERROR(Service_LDR, "Error unlinking CRO %08X", result.raw);
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rb.Push(result);
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@ -433,15 +439,15 @@ void RO::UnloadCRO(Kernel::HLERequestContext& ctx) {
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cro.Unrebase(false);
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memory_synchronizer.SynchronizeOriginalMemory();
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slot.memory_synchronizer.SynchronizeOriginalMemory(*process);
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// TODO(wwylele): verify the behaviour when buffer_ptr == address
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if (cro_address != cro_buffer_ptr) {
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result = Kernel::g_current_process->vm_manager.UnmapRange(cro_address, fixed_size);
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result = process->vm_manager.UnmapRange(cro_address, fixed_size);
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if (result.IsError()) {
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LOG_ERROR(Service_LDR, "Error unmapping CRO %08X", result.raw);
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}
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memory_synchronizer.RemoveMemoryBlock(cro_address, cro_buffer_ptr);
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slot.memory_synchronizer.RemoveMemoryBlock(cro_address, cro_buffer_ptr);
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}
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Core::CPU().InvalidateCacheRange(cro_address, fixed_size);
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@ -460,11 +466,13 @@ void RO::LinkCRO(Kernel::HLERequestContext& ctx) {
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IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
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if (loaded_crs == 0) {
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auto find_result = slots.find(process->process_id);
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if (find_result == slots.end()) {
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LOG_ERROR(Service_LDR, "Not initialized");
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rb.Push(ERROR_NOT_INITIALIZED);
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return;
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}
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auto& slot = find_result->second;
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if (cro_address & Memory::PAGE_MASK) {
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LOG_ERROR(Service_LDR, "CRO address is not aligned");
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@ -480,12 +488,12 @@ void RO::LinkCRO(Kernel::HLERequestContext& ctx) {
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LOG_INFO(Service_LDR, "Linking CRO \"%s\"", cro.ModuleName().data());
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ResultCode result = cro.Link(loaded_crs, false);
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ResultCode result = cro.Link(slot.loaded_crs, false);
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if (result.IsError()) {
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LOG_ERROR(Service_LDR, "Error linking CRO %08X", result.raw);
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}
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memory_synchronizer.SynchronizeOriginalMemory();
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slot.memory_synchronizer.SynchronizeOriginalMemory(*process);
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rb.Push(result);
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}
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@ -501,11 +509,13 @@ void RO::UnlinkCRO(Kernel::HLERequestContext& ctx) {
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IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
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if (loaded_crs == 0) {
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auto find_result = slots.find(process->process_id);
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if (find_result == slots.end()) {
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LOG_ERROR(Service_LDR, "Not initialized");
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rb.Push(ERROR_NOT_INITIALIZED);
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return;
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}
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auto& slot = find_result->second;
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if (cro_address & Memory::PAGE_MASK) {
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LOG_ERROR(Service_LDR, "CRO address is not aligned");
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@ -521,12 +531,12 @@ void RO::UnlinkCRO(Kernel::HLERequestContext& ctx) {
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LOG_INFO(Service_LDR, "Unlinking CRO \"%s\"", cro.ModuleName().data());
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ResultCode result = cro.Unlink(loaded_crs);
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ResultCode result = cro.Unlink(slot.loaded_crs);
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if (result.IsError()) {
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LOG_ERROR(Service_LDR, "Error unlinking CRO %08X", result.raw);
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}
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memory_synchronizer.SynchronizeOriginalMemory();
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slot.memory_synchronizer.SynchronizeOriginalMemory(*process);
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rb.Push(result);
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}
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@ -540,29 +550,31 @@ void RO::Shutdown(Kernel::HLERequestContext& ctx) {
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IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
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if (loaded_crs == 0) {
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auto find_result = slots.find(process->process_id);
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if (find_result == slots.end()) {
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LOG_ERROR(Service_LDR, "Not initialized");
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rb.Push(ERROR_NOT_INITIALIZED);
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return;
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}
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auto& slot = find_result->second;
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CROHelper crs(loaded_crs);
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CROHelper crs(slot.loaded_crs);
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crs.Unrebase(true);
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memory_synchronizer.SynchronizeOriginalMemory();
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slot.memory_synchronizer.SynchronizeOriginalMemory(*process);
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ResultCode result = RESULT_SUCCESS;
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// TODO(wwylele): verify the behaviour when buffer_ptr == address
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if (loaded_crs != crs_buffer_ptr) {
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result = Kernel::g_current_process->vm_manager.UnmapRange(loaded_crs, crs.GetFileSize());
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if (slot.loaded_crs != crs_buffer_ptr) {
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result = process->vm_manager.UnmapRange(slot.loaded_crs, crs.GetFileSize());
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if (result.IsError()) {
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LOG_ERROR(Service_LDR, "Error unmapping CRS %08X", result.raw);
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}
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memory_synchronizer.RemoveMemoryBlock(loaded_crs, crs_buffer_ptr);
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slot.memory_synchronizer.RemoveMemoryBlock(slot.loaded_crs, crs_buffer_ptr);
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}
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loaded_crs = 0;
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slots.erase(find_result);
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rb.Push(result);
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}
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@ -4,6 +4,7 @@
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#pragma once
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#include <unordered_map>
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#include "core/hle/service/ldr_ro/memory_synchronizer.h"
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#include "core/hle/service/service.h"
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@ -144,9 +145,12 @@ private:
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*/
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void Shutdown(Kernel::HLERequestContext& self);
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struct ClientSlot {
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MemorySynchronizer memory_synchronizer;
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VAddr loaded_crs = 0; ///< the virtual address of the static module
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};
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std::unordered_map<u32, ClientSlot> slots;
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};
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void InstallInterfaces(SM::ServiceManager& service_manager);
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@ -4,6 +4,7 @@
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#include <algorithm>
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#include "common/assert.h"
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#include "core/hle/kernel/process.h"
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#include "core/hle/service/ldr_ro/memory_synchronizer.h"
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namespace Service {
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@ -32,9 +33,9 @@ void MemorySynchronizer::RemoveMemoryBlock(VAddr mapping, VAddr original) {
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memory_blocks.erase(FindMemoryBlock(mapping, original));
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}
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void MemorySynchronizer::SynchronizeOriginalMemory() {
|
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void MemorySynchronizer::SynchronizeOriginalMemory(Kernel::Process& process) {
|
||||
for (auto& block : memory_blocks) {
|
||||
Memory::CopyBlock(block.original, block.mapping, block.size);
|
||||
Memory::CopyBlock(process, block.original, block.mapping, block.size);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -7,6 +7,10 @@
|
|||
#include <vector>
|
||||
#include "core/memory.h"
|
||||
|
||||
namespace Kernel {
|
||||
class Process;
|
||||
}
|
||||
|
||||
namespace Service {
|
||||
namespace LDR {
|
||||
|
||||
|
|
@ -24,7 +28,7 @@ public:
|
|||
void ResizeMemoryBlock(VAddr mapping, VAddr original, u32 size);
|
||||
void RemoveMemoryBlock(VAddr mapping, VAddr original);
|
||||
|
||||
void SynchronizeOriginalMemory();
|
||||
void SynchronizeOriginalMemory(Kernel::Process& process);
|
||||
|
||||
private:
|
||||
struct MemoryBlock {
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue