From 2b28fd78094ce754d06b81ed50bf3fda5352feb1 Mon Sep 17 00:00:00 2001 From: shinyquagsire23 Date: Sun, 25 Feb 2018 03:34:19 -0700 Subject: file_sys: Add support for parsing NPDM files --- src/core/file_sys/program_metadata.cpp | 117 +++++++++++++++++++++++++++++++++ 1 file changed, 117 insertions(+) create mode 100644 src/core/file_sys/program_metadata.cpp (limited to 'src/core/file_sys/program_metadata.cpp') diff --git a/src/core/file_sys/program_metadata.cpp b/src/core/file_sys/program_metadata.cpp new file mode 100644 index 000000000..041617bb5 --- /dev/null +++ b/src/core/file_sys/program_metadata.cpp @@ -0,0 +1,117 @@ +// Copyright 2018 yuzu emulator team +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include +#include "common/file_util.h" +#include "common/logging/log.h" +#include "core/file_sys/program_metadata.h" +#include "core/loader/loader.h" + +//////////////////////////////////////////////////////////////////////////////////////////////////// +// FileSys namespace + +namespace FileSys { + +Loader::ResultStatus ProgramMetadata::Load(const std::string& file_path) { + FileUtil::IOFile file(file_path, "rb"); + if (!file.IsOpen()) + return Loader::ResultStatus::Error; + + std::vector file_data(file.GetSize()); + + if (!file.ReadBytes(file_data.data(), file_data.size())) + return Loader::ResultStatus::Error; + + Loader::ResultStatus result = Load(file_data); + if (result != Loader::ResultStatus::Success) + LOG_ERROR(Service_FS, "Failed to load NPDM from file %s!", file_path.c_str()); + + return result; +} + +Loader::ResultStatus ProgramMetadata::Load(const std::vector file_data, size_t offset) { + size_t total_size = static_cast(file_data.size() - offset); + if (total_size < sizeof(Header)) + return Loader::ResultStatus::Error; + + size_t header_offset = offset; + memcpy(&npdm_header, &file_data[offset], sizeof(Header)); + + size_t aci_offset = header_offset + npdm_header.aci_offset; + size_t acid_offset = header_offset + npdm_header.acid_offset; + memcpy(&aci_header, &file_data[aci_offset], sizeof(AciHeader)); + memcpy(&acid_header, &file_data[acid_offset], sizeof(AcidHeader)); + + size_t fac_offset = acid_offset + acid_header.fac_offset; + size_t fah_offset = aci_offset + aci_header.fah_offset; + memcpy(&acid_file_access, &file_data[fac_offset], sizeof(FileAccessControl)); + memcpy(&aci_file_access, &file_data[fah_offset], sizeof(FileAccessHeader)); + + return Loader::ResultStatus::Success; +} + +bool ProgramMetadata::Is64BitProgram() const { + return npdm_header.has_64_bit_instructions; +} + +ProgramAddressSpaceType ProgramMetadata::GetAddressSpaceType() const { + return npdm_header.address_space_type; +} + +u8 ProgramMetadata::GetMainThreadPriority() const { + return npdm_header.main_thread_priority; +} + +u8 ProgramMetadata::GetMainThreadCore() const { + return npdm_header.main_thread_cpu; +} + +u32 ProgramMetadata::GetMainThreadStackSize() const { + return npdm_header.main_stack_size; +} + +u64 ProgramMetadata::GetTitleID() const { + return aci_header.title_id; +} + +u64 ProgramMetadata::GetFilesystemPermissions() const { + return aci_file_access.permissions; +} + +void ProgramMetadata::Print() const { + LOG_DEBUG(Service_FS, "Magic: %.4s", npdm_header.magic.data()); + LOG_DEBUG(Service_FS, "Main thread priority: 0x%02x", npdm_header.main_thread_priority); + LOG_DEBUG(Service_FS, "Main thread core: %u", npdm_header.main_thread_cpu); + LOG_DEBUG(Service_FS, "Main thread stack size: 0x%x bytes", npdm_header.main_stack_size); + LOG_DEBUG(Service_FS, "Process category: %u", npdm_header.process_category); + LOG_DEBUG(Service_FS, "Flags: %02x", npdm_header.flags); + LOG_DEBUG(Service_FS, " > 64-bit instructions: %s", + npdm_header.has_64_bit_instructions ? "YES" : "NO"); + + auto address_space = "Unknown"; + switch (npdm_header.address_space_type) { + case ProgramAddressSpaceType::Is64Bit: + address_space = "64-bit"; + break; + case ProgramAddressSpaceType::Is32Bit: + address_space = "32-bit"; + break; + } + + LOG_DEBUG(Service_FS, " > Address space: %s\n", address_space); + + // Begin ACID printing (potential perms, signed) + LOG_DEBUG(Service_FS, "Magic: %.4s", acid_header.magic.data()); + LOG_DEBUG(Service_FS, "Flags: %02x", acid_header.flags); + LOG_DEBUG(Service_FS, " > Is Retail: %s", acid_header.is_retail ? "YES" : "NO"); + LOG_DEBUG(Service_FS, "Title ID Min: %016" PRIX64, acid_header.title_id_min); + LOG_DEBUG(Service_FS, "Title ID Max: %016" PRIX64, acid_header.title_id_max); + LOG_DEBUG(Service_FS, "Filesystem Access: %016" PRIX64 "\n", acid_file_access.permissions); + + // Begin ACI0 printing (actual perms, unsigned) + LOG_DEBUG(Service_FS, "Magic: %.4s", aci_header.magic.data()); + LOG_DEBUG(Service_FS, "Title ID: %016" PRIX64, aci_header.title_id); + LOG_DEBUG(Service_FS, "Filesystem Access: %016" PRIX64 "\n", aci_file_access.permissions); +} +} // namespace FileSys -- cgit v1.2.3