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Diffstat (limited to '')
-rw-r--r-- | src/core/hle/service/ns/iplatform_service_manager.cpp | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/src/core/hle/service/ns/iplatform_service_manager.cpp b/src/core/hle/service/ns/iplatform_service_manager.cpp deleted file mode 100644 index 46268be95..000000000 --- a/src/core/hle/service/ns/iplatform_service_manager.cpp +++ /dev/null @@ -1,305 +0,0 @@ -// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project -// SPDX-License-Identifier: GPL-2.0-or-later - -#include <algorithm> -#include <cstring> -#include <vector> - -#include "common/assert.h" -#include "common/common_types.h" -#include "common/logging/log.h" -#include "common/swap.h" -#include "core/core.h" -#include "core/file_sys/content_archive.h" -#include "core/file_sys/nca_metadata.h" -#include "core/file_sys/registered_cache.h" -#include "core/file_sys/romfs.h" -#include "core/file_sys/system_archive/system_archive.h" -#include "core/hle/kernel/k_shared_memory.h" -#include "core/hle/kernel/kernel.h" -#include "core/hle/kernel/physical_memory.h" -#include "core/hle/service/filesystem/filesystem.h" -#include "core/hle/service/ipc_helpers.h" -#include "core/hle/service/ns/iplatform_service_manager.h" - -namespace Service::NS { - -struct FontRegion { - u32 offset; - u32 size; -}; - -// The below data is specific to shared font data dumped from Switch on f/w 2.2 -// Virtual address and offsets/sizes likely will vary by dump -[[maybe_unused]] constexpr VAddr SHARED_FONT_MEM_VADDR{0x00000009d3016000ULL}; -constexpr u32 EXPECTED_RESULT{0x7f9a0218}; // What we expect the decrypted bfttf first 4 bytes to be -constexpr u32 EXPECTED_MAGIC{0x36f81a1e}; // What we expect the encrypted bfttf first 4 bytes to be -constexpr u64 SHARED_FONT_MEM_SIZE{0x1100000}; -constexpr FontRegion EMPTY_REGION{0, 0}; - -enum class LoadState : u32 { - Loading = 0, - Done = 1, -}; - -static void DecryptSharedFont(const std::vector<u32>& input, Kernel::PhysicalMemory& output, - std::size_t& offset) { - ASSERT_MSG(offset + (input.size() * sizeof(u32)) < SHARED_FONT_MEM_SIZE, - "Shared fonts exceeds 17mb!"); - ASSERT_MSG(input[0] == EXPECTED_MAGIC, "Failed to derive key, unexpected magic number"); - - const u32 KEY = input[0] ^ EXPECTED_RESULT; // Derive key using an inverse xor - std::vector<u32> transformed_font(input.size()); - // TODO(ogniK): Figure out a better way to do this - std::transform(input.begin(), input.end(), transformed_font.begin(), - [&KEY](u32 font_data) { return Common::swap32(font_data ^ KEY); }); - transformed_font[1] = Common::swap32(transformed_font[1]) ^ KEY; // "re-encrypt" the size - std::memcpy(output.data() + offset, transformed_font.data(), - transformed_font.size() * sizeof(u32)); - offset += transformed_font.size() * sizeof(u32); -} - -void DecryptSharedFontToTTF(const std::vector<u32>& input, std::vector<u8>& output) { - ASSERT_MSG(input[0] == EXPECTED_MAGIC, "Failed to derive key, unexpected magic number"); - - if (input.size() < 2) { - LOG_ERROR(Service_NS, "Input font is empty"); - return; - } - - const u32 KEY = input[0] ^ EXPECTED_RESULT; // Derive key using an inverse xor - std::vector<u32> transformed_font(input.size()); - // TODO(ogniK): Figure out a better way to do this - std::transform(input.begin(), input.end(), transformed_font.begin(), - [&KEY](u32 font_data) { return Common::swap32(font_data ^ KEY); }); - std::memcpy(output.data(), transformed_font.data() + 2, - (transformed_font.size() - 2) * sizeof(u32)); -} - -void EncryptSharedFont(const std::vector<u32>& input, std::vector<u8>& output, - std::size_t& offset) { - ASSERT_MSG(offset + (input.size() * sizeof(u32)) < SHARED_FONT_MEM_SIZE, - "Shared fonts exceeds 17mb!"); - - const auto key = Common::swap32(EXPECTED_RESULT ^ EXPECTED_MAGIC); - std::vector<u32> transformed_font(input.size() + 2); - transformed_font[0] = Common::swap32(EXPECTED_MAGIC); - transformed_font[1] = Common::swap32(static_cast<u32>(input.size() * sizeof(u32))) ^ key; - std::transform(input.begin(), input.end(), transformed_font.begin() + 2, - [key](u32 in) { return in ^ key; }); - std::memcpy(output.data() + offset, transformed_font.data(), - transformed_font.size() * sizeof(u32)); - offset += transformed_font.size() * sizeof(u32); -} - -// Helper function to make BuildSharedFontsRawRegions a bit nicer -static u32 GetU32Swapped(const u8* data) { - u32 value; - std::memcpy(&value, data, sizeof(value)); - return Common::swap32(value); -} - -struct IPlatformServiceManager::Impl { - const FontRegion& GetSharedFontRegion(std::size_t index) const { - if (index >= shared_font_regions.size() || shared_font_regions.empty()) { - // No font fallback - return EMPTY_REGION; - } - return shared_font_regions.at(index); - } - - void BuildSharedFontsRawRegions(const Kernel::PhysicalMemory& input) { - // As we can derive the xor key we can just populate the offsets - // based on the shared memory dump - unsigned cur_offset = 0; - - for (std::size_t i = 0; i < SHARED_FONTS.size(); i++) { - // Out of shared fonts/invalid font - if (GetU32Swapped(input.data() + cur_offset) != EXPECTED_RESULT) { - break; - } - - // Derive key within inverse xor - const u32 KEY = GetU32Swapped(input.data() + cur_offset) ^ EXPECTED_MAGIC; - const u32 SIZE = GetU32Swapped(input.data() + cur_offset + 4) ^ KEY; - shared_font_regions.push_back(FontRegion{cur_offset + 8, SIZE}); - cur_offset += SIZE + 8; - } - } - - /// Backing memory for the shared font data - std::shared_ptr<Kernel::PhysicalMemory> shared_font; - - // Automatically populated based on shared_fonts dump or system archives. - std::vector<FontRegion> shared_font_regions; -}; - -IPlatformServiceManager::IPlatformServiceManager(Core::System& system_, const char* service_name_) - : ServiceFramework{system_, service_name_}, impl{std::make_unique<Impl>()} { - // clang-format off - static const FunctionInfo functions[] = { - {0, &IPlatformServiceManager::RequestLoad, "RequestLoad"}, - {1, &IPlatformServiceManager::GetLoadState, "GetLoadState"}, - {2, &IPlatformServiceManager::GetSize, "GetSize"}, - {3, &IPlatformServiceManager::GetSharedMemoryAddressOffset, "GetSharedMemoryAddressOffset"}, - {4, &IPlatformServiceManager::GetSharedMemoryNativeHandle, "GetSharedMemoryNativeHandle"}, - {5, &IPlatformServiceManager::GetSharedFontInOrderOfPriority, "GetSharedFontInOrderOfPriority"}, - {6, &IPlatformServiceManager::GetSharedFontInOrderOfPriority, "GetSharedFontInOrderOfPriorityForSystem"}, - {100, nullptr, "RequestApplicationFunctionAuthorization"}, - {101, nullptr, "RequestApplicationFunctionAuthorizationByProcessId"}, - {102, nullptr, "RequestApplicationFunctionAuthorizationByApplicationId"}, - {103, nullptr, "RefreshApplicationFunctionBlackListDebugRecord"}, - {104, nullptr, "RequestApplicationFunctionAuthorizationByProgramId"}, - {105, nullptr, "GetFunctionBlackListSystemVersionToAuthorize"}, - {106, nullptr, "GetFunctionBlackListVersion"}, - {1000, nullptr, "LoadNgWordDataForPlatformRegionChina"}, - {1001, nullptr, "GetNgWordDataSizeForPlatformRegionChina"}, - }; - // clang-format on - RegisterHandlers(functions); - - auto& fsc = system.GetFileSystemController(); - - // Attempt to load shared font data from disk - const auto* nand = fsc.GetSystemNANDContents(); - std::size_t offset = 0; - // Rebuild shared fonts from data ncas or synthesize - - impl->shared_font = std::make_shared<Kernel::PhysicalMemory>(SHARED_FONT_MEM_SIZE); - for (auto font : SHARED_FONTS) { - FileSys::VirtualFile romfs; - const auto nca = - nand->GetEntry(static_cast<u64>(font.first), FileSys::ContentRecordType::Data); - if (nca) { - romfs = nca->GetRomFS(); - } - - if (!romfs) { - romfs = FileSys::SystemArchive::SynthesizeSystemArchive(static_cast<u64>(font.first)); - } - - if (!romfs) { - LOG_ERROR(Service_NS, "Failed to find or synthesize {:016X}! Skipping", font.first); - continue; - } - - const auto extracted_romfs = FileSys::ExtractRomFS(romfs); - if (!extracted_romfs) { - LOG_ERROR(Service_NS, "Failed to extract RomFS for {:016X}! Skipping", font.first); - continue; - } - const auto font_fp = extracted_romfs->GetFile(font.second); - if (!font_fp) { - LOG_ERROR(Service_NS, "{:016X} has no file \"{}\"! Skipping", font.first, font.second); - continue; - } - std::vector<u32> font_data_u32(font_fp->GetSize() / sizeof(u32)); - font_fp->ReadBytes<u32>(font_data_u32.data(), font_fp->GetSize()); - // We need to be BigEndian as u32s for the xor encryption - std::transform(font_data_u32.begin(), font_data_u32.end(), font_data_u32.begin(), - Common::swap32); - // Font offset and size do not account for the header - const FontRegion region{static_cast<u32>(offset + 8), - static_cast<u32>((font_data_u32.size() * sizeof(u32)) - 8)}; - DecryptSharedFont(font_data_u32, *impl->shared_font, offset); - impl->shared_font_regions.push_back(region); - } -} - -IPlatformServiceManager::~IPlatformServiceManager() = default; - -void IPlatformServiceManager::RequestLoad(HLERequestContext& ctx) { - IPC::RequestParser rp{ctx}; - const u32 shared_font_type{rp.Pop<u32>()}; - // Games don't call this so all fonts should be loaded - LOG_DEBUG(Service_NS, "called, shared_font_type={}", shared_font_type); - - IPC::ResponseBuilder rb{ctx, 2}; - rb.Push(ResultSuccess); -} - -void IPlatformServiceManager::GetLoadState(HLERequestContext& ctx) { - IPC::RequestParser rp{ctx}; - const u32 font_id{rp.Pop<u32>()}; - LOG_DEBUG(Service_NS, "called, font_id={}", font_id); - - IPC::ResponseBuilder rb{ctx, 3}; - rb.Push(ResultSuccess); - rb.Push<u32>(static_cast<u32>(LoadState::Done)); -} - -void IPlatformServiceManager::GetSize(HLERequestContext& ctx) { - IPC::RequestParser rp{ctx}; - const u32 font_id{rp.Pop<u32>()}; - LOG_DEBUG(Service_NS, "called, font_id={}", font_id); - - IPC::ResponseBuilder rb{ctx, 3}; - rb.Push(ResultSuccess); - rb.Push<u32>(impl->GetSharedFontRegion(font_id).size); -} - -void IPlatformServiceManager::GetSharedMemoryAddressOffset(HLERequestContext& ctx) { - IPC::RequestParser rp{ctx}; - const u32 font_id{rp.Pop<u32>()}; - LOG_DEBUG(Service_NS, "called, font_id={}", font_id); - - IPC::ResponseBuilder rb{ctx, 3}; - rb.Push(ResultSuccess); - rb.Push<u32>(impl->GetSharedFontRegion(font_id).offset); -} - -void IPlatformServiceManager::GetSharedMemoryNativeHandle(HLERequestContext& ctx) { - // Map backing memory for the font data - LOG_DEBUG(Service_NS, "called"); - - // Create shared font memory object - std::memcpy(kernel.GetFontSharedMem().GetPointer(), impl->shared_font->data(), - impl->shared_font->size()); - - IPC::ResponseBuilder rb{ctx, 2, 1}; - rb.Push(ResultSuccess); - rb.PushCopyObjects(&kernel.GetFontSharedMem()); -} - -void IPlatformServiceManager::GetSharedFontInOrderOfPriority(HLERequestContext& ctx) { - // The maximum number of elements that can be returned is 6. Regardless of the available fonts - // or buffer size. - constexpr std::size_t MaxElementCount = 6; - IPC::RequestParser rp{ctx}; - const u64 language_code{rp.Pop<u64>()}; // TODO(ogniK): Find out what this is used for - const std::size_t font_codes_count = - std::min(MaxElementCount, ctx.GetWriteBufferNumElements<u32>(0)); - const std::size_t font_offsets_count = - std::min(MaxElementCount, ctx.GetWriteBufferNumElements<u32>(1)); - const std::size_t font_sizes_count = - std::min(MaxElementCount, ctx.GetWriteBufferNumElements<u32>(2)); - LOG_DEBUG(Service_NS, "called, language_code={:X}", language_code); - - IPC::ResponseBuilder rb{ctx, 4}; - std::vector<u32> font_codes; - std::vector<u32> font_offsets; - std::vector<u32> font_sizes; - - // TODO(ogniK): Have actual priority order - for (std::size_t i = 0; i < impl->shared_font_regions.size(); i++) { - font_codes.push_back(static_cast<u32>(i)); - auto region = impl->GetSharedFontRegion(i); - font_offsets.push_back(region.offset); - font_sizes.push_back(region.size); - } - - // Resize buffers if game requests smaller size output - font_codes.resize(std::min(font_codes.size(), font_codes_count)); - font_offsets.resize(std::min(font_offsets.size(), font_offsets_count)); - font_sizes.resize(std::min(font_sizes.size(), font_sizes_count)); - - ctx.WriteBuffer(font_codes, 0); - ctx.WriteBuffer(font_offsets, 1); - ctx.WriteBuffer(font_sizes, 2); - - rb.Push(ResultSuccess); - rb.Push<u8>(static_cast<u8>(LoadState::Done)); // Fonts Loaded - rb.Push<u32>(static_cast<u32>(font_codes.size())); -} - -} // namespace Service::NS |