diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt index 2ccdaea275..466e7cfe69 100644 --- a/src/core/CMakeLists.txt +++ b/src/core/CMakeLists.txt @@ -286,8 +286,6 @@ add_library(core STATIC hle/service/ldr_ro/cro_helper.h hle/service/ldr_ro/ldr_ro.cpp hle/service/ldr_ro/ldr_ro.h - hle/service/ldr_ro/memory_synchronizer.cpp - hle/service/ldr_ro/memory_synchronizer.h hle/service/mic_u.cpp hle/service/mic_u.h hle/service/mvd/mvd.cpp diff --git a/src/core/hle/service/ldr_ro/ldr_ro.cpp b/src/core/hle/service/ldr_ro/ldr_ro.cpp index 2313bb188b..2cdf505cf3 100644 --- a/src/core/hle/service/ldr_ro/ldr_ro.cpp +++ b/src/core/hle/service/ldr_ro/ldr_ro.cpp @@ -108,34 +108,11 @@ void RO::Initialize(Kernel::HLERequestContext& ctx) { ResultCode result = RESULT_SUCCESS; - if (crs_buffer_ptr != crs_address) { - // TODO(wwylele): should be memory aliasing - std::shared_ptr> crs_mem = std::make_shared>(crs_size); - Memory::ReadBlock(crs_buffer_ptr, crs_mem->data(), crs_size); - result = 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 = - 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; - } - - slot->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); + result = process->Map(crs_address, crs_buffer_ptr, crs_size, Kernel::VMAPermission::Read, true); + if (result.IsError()) { + LOG_ERROR(Service_LDR, "Error mapping memory block {:08X}", result.raw); + rb.Push(result); + return; } CROHelper crs(crs_address); @@ -148,8 +125,6 @@ void RO::Initialize(Kernel::HLERequestContext& ctx) { return; } - slot->memory_synchronizer.SynchronizeOriginalMemory(*process); - slot->loaded_crs = crs_address; rb.Push(RESULT_SUCCESS); @@ -266,38 +241,12 @@ void RO::LoadCRO(Kernel::HLERequestContext& ctx, bool link_on_load_bug_fix) { ResultCode result = RESULT_SUCCESS; - if (cro_buffer_ptr != cro_address) { - // TODO(wwylele): should be memory aliasing - std::shared_ptr> cro_mem = std::make_shared>(cro_size); - Memory::ReadBlock(cro_buffer_ptr, cro_mem->data(), cro_size); - result = 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(0); - return; - } - - result = - 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); - process->vm_manager.UnmapRange(cro_address, cro_size); - rb.Push(result); - rb.Push(0); - return; - } - - slot->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); + result = process->Map(cro_address, cro_buffer_ptr, cro_size, Kernel::VMAPermission::Read, true); + if (result.IsError()) { + LOG_ERROR(Service_LDR, "Error mapping memory block {:08X}", result.raw); + rb.Push(result); + rb.Push(0); + return; } CROHelper cro(cro_address); @@ -305,7 +254,8 @@ void RO::LoadCRO(Kernel::HLERequestContext& ctx, bool link_on_load_bug_fix) { result = cro.VerifyHash(cro_size, crr_address); if (result.IsError()) { LOG_ERROR(Service_LDR, "Error verifying CRO in CRR {:08X}", result.raw); - process->vm_manager.UnmapRange(cro_address, cro_size); + process->Unmap(cro_address, cro_buffer_ptr, cro_size, Kernel::VMAPermission::ReadWrite, + true); rb.Push(result); rb.Push(0); return; @@ -315,7 +265,8 @@ void RO::LoadCRO(Kernel::HLERequestContext& ctx, bool link_on_load_bug_fix) { bss_segment_address, bss_segment_size, false); if (result.IsError()) { LOG_ERROR(Service_LDR, "Error rebasing CRO {:08X}", result.raw); - process->vm_manager.UnmapRange(cro_address, cro_size); + process->Unmap(cro_address, cro_buffer_ptr, cro_size, Kernel::VMAPermission::ReadWrite, + true); rb.Push(result); rb.Push(0); return; @@ -324,7 +275,8 @@ void RO::LoadCRO(Kernel::HLERequestContext& ctx, bool link_on_load_bug_fix) { result = cro.Link(slot->loaded_crs, link_on_load_bug_fix); if (result.IsError()) { LOG_ERROR(Service_LDR, "Error linking CRO {:08X}", result.raw); - process->vm_manager.UnmapRange(cro_address, cro_size); + process->Unmap(cro_address, cro_buffer_ptr, cro_size, Kernel::VMAPermission::ReadWrite, + true); rb.Push(result); rb.Push(0); return; @@ -334,23 +286,17 @@ void RO::LoadCRO(Kernel::HLERequestContext& ctx, bool link_on_load_bug_fix) { u32 fix_size = cro.Fix(fix_level); - slot->memory_synchronizer.SynchronizeOriginalMemory(*process); - - // TODO(wwylele): verify the behaviour when buffer_ptr == address - if (cro_buffer_ptr != cro_address) { - if (fix_size != cro_size) { - result = 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); - process->vm_manager.UnmapRange(cro_address, cro_size); - rb.Push(result); - rb.Push(0); - return; - } + if (fix_size != cro_size) { + result = process->Unmap(cro_address + fix_size, cro_buffer_ptr + fix_size, + cro_size - fix_size, Kernel::VMAPermission::ReadWrite, true); + if (result.IsError()) { + LOG_ERROR(Service_LDR, "Error unmapping memory block {:08X}", result.raw); + process->Unmap(cro_address, cro_buffer_ptr, cro_size, Kernel::VMAPermission::ReadWrite, + true); + rb.Push(result); + rb.Push(0); + return; } - - // Changes the block size - slot->memory_synchronizer.ResizeMemoryBlock(cro_address, cro_buffer_ptr, fix_size); } auto [exe_begin, exe_size] = cro.GetExecutablePages(); @@ -359,7 +305,8 @@ void RO::LoadCRO(Kernel::HLERequestContext& ctx, bool link_on_load_bug_fix) { Kernel::VMAPermission::ReadExecute); if (result.IsError()) { LOG_ERROR(Service_LDR, "Error reprotecting memory block {:08X}", result.raw); - process->vm_manager.UnmapRange(cro_address, fix_size); + process->Unmap(cro_address, cro_buffer_ptr, cro_size, Kernel::VMAPermission::ReadWrite, + true); rb.Push(result); rb.Push(0); return; @@ -433,15 +380,10 @@ void RO::UnloadCRO(Kernel::HLERequestContext& ctx) { cro.Unrebase(false); - slot->memory_synchronizer.SynchronizeOriginalMemory(*process); - - // TODO(wwylele): verify the behaviour when buffer_ptr == address - if (cro_address != cro_buffer_ptr) { - result = process->vm_manager.UnmapRange(cro_address, fixed_size); - if (result.IsError()) { - LOG_ERROR(Service_LDR, "Error unmapping CRO {:08X}", result.raw); - } - slot->memory_synchronizer.RemoveMemoryBlock(cro_address, cro_buffer_ptr); + result = process->Unmap(cro_address, cro_buffer_ptr, fixed_size, + Kernel::VMAPermission::ReadWrite, true); + if (result.IsError()) { + LOG_ERROR(Service_LDR, "Error unmapping CRO {:08X}", result.raw); } Core::CPU().InvalidateCacheRange(cro_address, fixed_size); @@ -486,8 +428,6 @@ void RO::LinkCRO(Kernel::HLERequestContext& ctx) { LOG_ERROR(Service_LDR, "Error linking CRO {:08X}", result.raw); } - slot->memory_synchronizer.SynchronizeOriginalMemory(*process); - rb.Push(result); } @@ -528,8 +468,6 @@ void RO::UnlinkCRO(Kernel::HLERequestContext& ctx) { LOG_ERROR(Service_LDR, "Error unlinking CRO {:08X}", result.raw); } - slot->memory_synchronizer.SynchronizeOriginalMemory(*process); - rb.Push(result); } @@ -552,17 +490,12 @@ void RO::Shutdown(Kernel::HLERequestContext& ctx) { CROHelper crs(slot->loaded_crs); crs.Unrebase(true); - slot->memory_synchronizer.SynchronizeOriginalMemory(*process); - ResultCode result = RESULT_SUCCESS; - // TODO(wwylele): verify the behaviour when buffer_ptr == address - if (slot->loaded_crs != crs_buffer_ptr) { - result = process->vm_manager.UnmapRange(slot->loaded_crs, crs.GetFileSize()); - if (result.IsError()) { - LOG_ERROR(Service_LDR, "Error unmapping CRS {:08X}", result.raw); - } - slot->memory_synchronizer.RemoveMemoryBlock(slot->loaded_crs, crs_buffer_ptr); + result = process->Unmap(slot->loaded_crs, crs_buffer_ptr, crs.GetFileSize(), + Kernel::VMAPermission::ReadWrite, true); + if (result.IsError()) { + LOG_ERROR(Service_LDR, "Error unmapping CRS {:08X}", result.raw); } slot->loaded_crs = 0; diff --git a/src/core/hle/service/ldr_ro/ldr_ro.h b/src/core/hle/service/ldr_ro/ldr_ro.h index 34800f2c77..54776feb08 100644 --- a/src/core/hle/service/ldr_ro/ldr_ro.h +++ b/src/core/hle/service/ldr_ro/ldr_ro.h @@ -4,7 +4,6 @@ #pragma once -#include "core/hle/service/ldr_ro/memory_synchronizer.h" #include "core/hle/service/service.h" namespace Core { @@ -14,7 +13,6 @@ class System; namespace Service::LDR { struct ClientSlot : public Kernel::SessionRequestHandler::SessionDataBase { - MemorySynchronizer memory_synchronizer; VAddr loaded_crs = 0; ///< the virtual address of the static module }; diff --git a/src/core/hle/service/ldr_ro/memory_synchronizer.cpp b/src/core/hle/service/ldr_ro/memory_synchronizer.cpp deleted file mode 100644 index 78817f8bcb..0000000000 --- a/src/core/hle/service/ldr_ro/memory_synchronizer.cpp +++ /dev/null @@ -1,41 +0,0 @@ -// Copyright 2016 Citra Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include -#include "common/assert.h" -#include "core/hle/kernel/process.h" -#include "core/hle/service/ldr_ro/memory_synchronizer.h" - -namespace Service::LDR { - -auto MemorySynchronizer::FindMemoryBlock(VAddr mapping, VAddr original) { - auto block = std::find_if(memory_blocks.begin(), memory_blocks.end(), - [=](MemoryBlock& b) { return b.original == original; }); - ASSERT(block->mapping == mapping); - return block; -} - -void MemorySynchronizer::Clear() { - memory_blocks.clear(); -} - -void MemorySynchronizer::AddMemoryBlock(VAddr mapping, VAddr original, u32 size) { - memory_blocks.push_back(MemoryBlock{mapping, original, size}); -} - -void MemorySynchronizer::ResizeMemoryBlock(VAddr mapping, VAddr original, u32 size) { - FindMemoryBlock(mapping, original)->size = size; -} - -void MemorySynchronizer::RemoveMemoryBlock(VAddr mapping, VAddr original) { - memory_blocks.erase(FindMemoryBlock(mapping, original)); -} - -void MemorySynchronizer::SynchronizeOriginalMemory(Kernel::Process& process) { - for (auto& block : memory_blocks) { - Memory::CopyBlock(process, block.original, block.mapping, block.size); - } -} - -} // namespace Service::LDR diff --git a/src/core/hle/service/ldr_ro/memory_synchronizer.h b/src/core/hle/service/ldr_ro/memory_synchronizer.h deleted file mode 100644 index 0b8bafdb4d..0000000000 --- a/src/core/hle/service/ldr_ro/memory_synchronizer.h +++ /dev/null @@ -1,44 +0,0 @@ -// Copyright 2016 Citra Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#pragma once - -#include -#include "core/memory.h" - -namespace Kernel { -class Process; -} - -namespace Service::LDR { - -/** - * This is a work-around before we implement memory aliasing. - * CRS and CRO are mapped (aliased) to another memory when loading. Games can read - * from both the original buffer and the mapping memory. So we use this to synchronize - * all original buffers with mapping memory after modifying the content. - */ -class MemorySynchronizer { -public: - void Clear(); - - void AddMemoryBlock(VAddr mapping, VAddr original, u32 size); - void ResizeMemoryBlock(VAddr mapping, VAddr original, u32 size); - void RemoveMemoryBlock(VAddr mapping, VAddr original); - - void SynchronizeOriginalMemory(Kernel::Process& process); - -private: - struct MemoryBlock { - VAddr mapping; - VAddr original; - u32 size; - }; - - std::vector memory_blocks; - - auto FindMemoryBlock(VAddr mapping, VAddr original); -}; - -} // namespace Service::LDR