diff options
Diffstat (limited to 'src/core/hle/service/apt')
| -rw-r--r-- | src/core/hle/service/apt/apt.cpp | 58 | ||||
| -rw-r--r-- | src/core/hle/service/apt/apt.h | 15 | ||||
| -rw-r--r-- | src/core/hle/service/apt/bcfnt/bcfnt.cpp | 71 | ||||
| -rw-r--r-- | src/core/hle/service/apt/bcfnt/bcfnt.h | 87 |
4 files changed, 198 insertions, 33 deletions
diff --git a/src/core/hle/service/apt/apt.cpp b/src/core/hle/service/apt/apt.cpp index e6fcbc714..bbf170b71 100644 --- a/src/core/hle/service/apt/apt.cpp +++ b/src/core/hle/service/apt/apt.cpp @@ -12,6 +12,7 @@ #include "core/hle/service/apt/apt_a.h" #include "core/hle/service/apt/apt_s.h" #include "core/hle/service/apt/apt_u.h" +#include "core/hle/service/apt/bcfnt/bcfnt.h" #include "core/hle/service/fs/archive.h" #include "core/hle/service/ptm/ptm.h" @@ -23,23 +24,14 @@ namespace Service { namespace APT { -// Address used for shared font (as observed on HW) -// TODO(bunnei): This is the hard-coded address where we currently dump the shared font from via -// https://github.com/citra-emu/3dsutils. This is technically a hack, and will not work at any -// address other than 0x18000000 due to internal pointers in the shared font dump that would need to -// be relocated. This might be fixed by dumping the shared font @ address 0x00000000 and then -// correctly mapping it in Citra, however we still do not understand how the mapping is determined. -static const VAddr SHARED_FONT_VADDR = 0x18000000; - /// Handle to shared memory region designated to for shared system font static Kernel::SharedPtr<Kernel::SharedMemory> shared_font_mem; +static bool shared_font_relocated = false; static Kernel::SharedPtr<Kernel::Mutex> lock; static Kernel::SharedPtr<Kernel::Event> notification_event; ///< APT notification event static Kernel::SharedPtr<Kernel::Event> parameter_event; ///< APT parameter event -static std::shared_ptr<std::vector<u8>> shared_font; - static u32 cpu_percent; ///< CPU time available to the running application // APT::CheckNew3DSApp will check this unknown_ns_state_field to determine processing mode @@ -78,23 +70,25 @@ void Initialize(Service::Interface* self) { void GetSharedFont(Service::Interface* self) { u32* cmd_buff = Kernel::GetCommandBuffer(); - if (shared_font != nullptr) { - // TODO(yuriks): This is a hack to keep this working right now even with our completely - // broken shared memory system. - shared_font_mem->fixed_address = SHARED_FONT_VADDR; - Kernel::g_current_process->vm_manager.MapMemoryBlock(shared_font_mem->fixed_address, - shared_font, 0, shared_font_mem->size, Kernel::MemoryState::Shared); - - cmd_buff[0] = IPC::MakeHeader(0x44, 2, 2); - cmd_buff[1] = RESULT_SUCCESS.raw; // No error - cmd_buff[2] = SHARED_FONT_VADDR; - cmd_buff[3] = IPC::MoveHandleDesc(); - cmd_buff[4] = Kernel::g_handle_table.Create(shared_font_mem).MoveFrom(); - } else { - cmd_buff[0] = IPC::MakeHeader(0x44, 1, 0); - cmd_buff[1] = -1; // Generic error (not really possible to verify this on hardware) - LOG_ERROR(Kernel_SVC, "called, but %s has not been loaded!", SHARED_FONT); + // The shared font has to be relocated to the new address before being passed to the application. + VAddr target_address = Memory::PhysicalToVirtualAddress(shared_font_mem->linear_heap_phys_address); + // The shared font dumped by 3dsutils (https://github.com/citra-emu/3dsutils) uses this address as base, + // so we relocate it from there to our real address. + // TODO(Subv): This address is wrong if the shared font is dumped from a n3DS, + // we need a way to automatically calculate the original address of the font from the file. + static const VAddr SHARED_FONT_VADDR = 0x18000000; + if (!shared_font_relocated) { + BCFNT::RelocateSharedFont(shared_font_mem, SHARED_FONT_VADDR, target_address); + shared_font_relocated = true; } + cmd_buff[0] = IPC::MakeHeader(0x44, 2, 2); + cmd_buff[1] = RESULT_SUCCESS.raw; // No error + // Since the SharedMemory interface doesn't provide the address at which the memory was allocated, + // the real APT service calculates this address by scanning the entire address space (using svcQueryMemory) + // and searches for an allocation of the same size as the Shared Font. + cmd_buff[2] = target_address; + cmd_buff[3] = IPC::MoveHandleDesc(); + cmd_buff[4] = Kernel::g_handle_table.Create(shared_font_mem).MoveFrom(); } void NotifyToWait(Service::Interface* self) { @@ -483,14 +477,12 @@ void Init() { FileUtil::IOFile file(filepath, "rb"); if (file.IsOpen()) { - // Read shared font data - shared_font = std::make_shared<std::vector<u8>>((size_t)file.GetSize()); - file.ReadBytes(shared_font->data(), shared_font->size()); - // Create shared font memory object using Kernel::MemoryPermission; - shared_font_mem = Kernel::SharedMemory::Create(3 * 1024 * 1024, // 3MB - MemoryPermission::ReadWrite, MemoryPermission::Read, "APT_U:shared_font_mem"); + shared_font_mem = Kernel::SharedMemory::Create(nullptr, 0x332000, // 3272 KB + MemoryPermission::ReadWrite, MemoryPermission::Read, 0, Kernel::MemoryRegion::SYSTEM, "APT:SharedFont"); + // Read shared font data + file.ReadBytes(shared_font_mem->GetPointer(), file.GetSize()); } else { LOG_WARNING(Service_APT, "Unable to load shared font: %s", filepath.c_str()); shared_font_mem = nullptr; @@ -510,8 +502,8 @@ void Init() { } void Shutdown() { - shared_font = nullptr; shared_font_mem = nullptr; + shared_font_relocated = false; lock = nullptr; notification_event = nullptr; parameter_event = nullptr; diff --git a/src/core/hle/service/apt/apt.h b/src/core/hle/service/apt/apt.h index fd3c2bd37..ed7c47cca 100644 --- a/src/core/hle/service/apt/apt.h +++ b/src/core/hle/service/apt/apt.h @@ -5,6 +5,7 @@ #pragma once #include "common/common_types.h" +#include "common/swap.h" #include "core/hle/kernel/kernel.h" @@ -31,6 +32,20 @@ struct AppletStartupParameter { u8* data = nullptr; }; +/// Used by the application to pass information about the current framebuffer to applets. +struct CaptureBufferInfo { + u32_le size; + u8 is_3d; + INSERT_PADDING_BYTES(0x3); // Padding for alignment + u32_le top_screen_left_offset; + u32_le top_screen_right_offset; + u32_le top_screen_format; + u32_le bottom_screen_left_offset; + u32_le bottom_screen_right_offset; + u32_le bottom_screen_format; +}; +static_assert(sizeof(CaptureBufferInfo) == 0x20, "CaptureBufferInfo struct has incorrect size"); + /// Signals used by APT functions enum class SignalType : u32 { None = 0x0, diff --git a/src/core/hle/service/apt/bcfnt/bcfnt.cpp b/src/core/hle/service/apt/bcfnt/bcfnt.cpp new file mode 100644 index 000000000..b0d39d4a5 --- /dev/null +++ b/src/core/hle/service/apt/bcfnt/bcfnt.cpp @@ -0,0 +1,71 @@ +// Copyright 2016 Citra Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "core/hle/service/apt/bcfnt/bcfnt.h" +#include "core/hle/service/service.h" + +namespace Service { +namespace APT { +namespace BCFNT { + +void RelocateSharedFont(Kernel::SharedPtr<Kernel::SharedMemory> shared_font, VAddr previous_address, VAddr new_address) { + static const u32 SharedFontStartOffset = 0x80; + u8* data = shared_font->GetPointer(SharedFontStartOffset); + + CFNT cfnt; + memcpy(&cfnt, data, sizeof(cfnt)); + + // Advance past the header + data = shared_font->GetPointer(SharedFontStartOffset + cfnt.header_size); + + for (unsigned block = 0; block < cfnt.num_blocks; ++block) { + + u32 section_size = 0; + if (memcmp(data, "FINF", 4) == 0) { + BCFNT::FINF finf; + memcpy(&finf, data, sizeof(finf)); + section_size = finf.section_size; + + // Relocate the offsets in the FINF section + finf.cmap_offset += new_address - previous_address; + finf.cwdh_offset += new_address - previous_address; + finf.tglp_offset += new_address - previous_address; + + memcpy(data, &finf, sizeof(finf)); + } else if (memcmp(data, "CMAP", 4) == 0) { + BCFNT::CMAP cmap; + memcpy(&cmap, data, sizeof(cmap)); + section_size = cmap.section_size; + + // Relocate the offsets in the CMAP section + cmap.next_cmap_offset += new_address - previous_address; + + memcpy(data, &cmap, sizeof(cmap)); + } else if (memcmp(data, "CWDH", 4) == 0) { + BCFNT::CWDH cwdh; + memcpy(&cwdh, data, sizeof(cwdh)); + section_size = cwdh.section_size; + + // Relocate the offsets in the CWDH section + cwdh.next_cwdh_offset += new_address - previous_address; + + memcpy(data, &cwdh, sizeof(cwdh)); + } else if (memcmp(data, "TGLP", 4) == 0) { + BCFNT::TGLP tglp; + memcpy(&tglp, data, sizeof(tglp)); + section_size = tglp.section_size; + + // Relocate the offsets in the TGLP section + tglp.sheet_data_offset += new_address - previous_address; + + memcpy(data, &tglp, sizeof(tglp)); + } + + data += section_size; + } +} + +} // namespace BCFNT +} // namespace APT +} // namespace Service
\ No newline at end of file diff --git a/src/core/hle/service/apt/bcfnt/bcfnt.h b/src/core/hle/service/apt/bcfnt/bcfnt.h new file mode 100644 index 000000000..388c6bea0 --- /dev/null +++ b/src/core/hle/service/apt/bcfnt/bcfnt.h @@ -0,0 +1,87 @@ +// Copyright 2016 Citra Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include "common/swap.h" + +#include "core/hle/kernel/shared_memory.h" +#include "core/hle/service/service.h" + +namespace Service { +namespace APT { +namespace BCFNT { ///< BCFNT Shared Font file structures + +struct CFNT { + u8 magic[4]; + u16_le endianness; + u16_le header_size; + u32_le version; + u32_le file_size; + u32_le num_blocks; +}; + +struct FINF { + u8 magic[4]; + u32_le section_size; + u8 font_type; + u8 line_feed; + u16_le alter_char_index; + u8 default_width[3]; + u8 encoding; + u32_le tglp_offset; + u32_le cwdh_offset; + u32_le cmap_offset; + u8 height; + u8 width; + u8 ascent; + u8 reserved; +}; + +struct TGLP { + u8 magic[4]; + u32_le section_size; + u8 cell_width; + u8 cell_height; + u8 baseline_position; + u8 max_character_width; + u32_le sheet_size; + u16_le num_sheets; + u16_le sheet_image_format; + u16_le num_columns; + u16_le num_rows; + u16_le sheet_width; + u16_le sheet_height; + u32_le sheet_data_offset; +}; + +struct CMAP { + u8 magic[4]; + u32_le section_size; + u16_le code_begin; + u16_le code_end; + u16_le mapping_method; + u16_le reserved; + u32_le next_cmap_offset; +}; + +struct CWDH { + u8 magic[4]; + u32_le section_size; + u16_le start_index; + u16_le end_index; + u32_le next_cwdh_offset; +}; + +/** + * Relocates the internal addresses of the BCFNT Shared Font to the new base. + * @param shared_font SharedMemory object that contains the Shared Font + * @param previous_address Previous address at which the offsets in the structure were based. + * @param new_address New base for the offsets in the structure. + */ +void RelocateSharedFont(Kernel::SharedPtr<Kernel::SharedMemory> shared_font, VAddr previous_address, VAddr new_address); + +} // namespace BCFNT +} // namespace APT +} // namespace Service |