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yuzu-android/src/core/file_sys/program_metadata.cpp

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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <cstddef>
#include <vector>
#include "common/logging/log.h"
#include "core/file_sys/program_metadata.h"
#include "core/file_sys/vfs.h"
#include "core/loader/loader.h"
namespace FileSys {
ProgramMetadata::ProgramMetadata() = default;
ProgramMetadata::~ProgramMetadata() = default;
Loader::ResultStatus ProgramMetadata::Load(VirtualFile file) {
const std::size_t total_size = file->GetSize();
if (total_size < sizeof(Header)) {
return Loader::ResultStatus::ErrorBadNPDMHeader;
}
if (sizeof(Header) != file->ReadObject(&npdm_header)) {
return Loader::ResultStatus::ErrorBadNPDMHeader;
}
if (sizeof(AcidHeader) != file->ReadObject(&acid_header, npdm_header.acid_offset)) {
return Loader::ResultStatus::ErrorBadACIDHeader;
}
if (sizeof(AciHeader) != file->ReadObject(&aci_header, npdm_header.aci_offset)) {
return Loader::ResultStatus::ErrorBadACIHeader;
}
if (sizeof(FileAccessControl) != file->ReadObject(&acid_file_access, acid_header.fac_offset)) {
return Loader::ResultStatus::ErrorBadFileAccessControl;
}
if (sizeof(FileAccessHeader) != file->ReadObject(&aci_file_access, aci_header.fah_offset)) {
return Loader::ResultStatus::ErrorBadFileAccessHeader;
}
aci_kernel_capabilities.resize(aci_header.kac_size / sizeof(u32));
const u64 read_size = aci_header.kac_size;
const u64 read_offset = npdm_header.aci_offset + aci_header.kac_offset;
if (file->ReadBytes(aci_kernel_capabilities.data(), read_size, read_offset) != read_size) {
return Loader::ResultStatus::ErrorBadKernelCapabilityDescriptors;
}
return Loader::ResultStatus::Success;
}
/*static*/ ProgramMetadata ProgramMetadata::GetDefault() {
ProgramMetadata result;
result.LoadManual(
true /*is_64_bit*/, FileSys::ProgramAddressSpaceType::Is39Bit /*address_space*/,
0x2c /*main_thread_prio*/, 0 /*main_thread_core*/, 0x00100000 /*main_thread_stack_size*/,
{}, 0xFFFFFFFFFFFFFFFF /*filesystem_permissions*/, {} /*capabilities*/);
return result;
}
void ProgramMetadata::LoadManual(bool is_64_bit, ProgramAddressSpaceType address_space,
s32 main_thread_prio, u32 main_thread_core,
u32 main_thread_stack_size, u64 title_id,
u64 filesystem_permissions,
KernelCapabilityDescriptors capabilities) {
npdm_header.has_64_bit_instructions.Assign(is_64_bit);
npdm_header.address_space_type.Assign(address_space);
npdm_header.main_thread_priority = static_cast<u8>(main_thread_prio);
npdm_header.main_thread_cpu = static_cast<u8>(main_thread_core);
npdm_header.main_stack_size = main_thread_stack_size;
aci_header.title_id = title_id;
aci_file_access.permissions = filesystem_permissions;
aci_kernel_capabilities = std ::move(capabilities);
}
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;
}
u32 ProgramMetadata::GetSystemResourceSize() const {
return npdm_header.system_resource_size;
}
const ProgramMetadata::KernelCapabilityDescriptors& ProgramMetadata::GetKernelCapabilities() const {
return aci_kernel_capabilities;
}
void ProgramMetadata::Print() const {
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LOG_DEBUG(Service_FS, "Magic: {:.4}", 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: {}", 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: {}", npdm_header.process_category);
LOG_DEBUG(Service_FS, "Flags: 0x{:02X}", npdm_header.flags);
LOG_DEBUG(Service_FS, " > 64-bit instructions: {}",
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npdm_header.has_64_bit_instructions ? "YES" : "NO");
const char* address_space = "Unknown";
switch (npdm_header.address_space_type) {
case ProgramAddressSpaceType::Is36Bit:
address_space = "64-bit (36-bit address space)";
break;
case ProgramAddressSpaceType::Is39Bit:
address_space = "64-bit (39-bit address space)";
break;
case ProgramAddressSpaceType::Is32Bit:
address_space = "32-bit";
break;
case ProgramAddressSpaceType::Is32BitNoMap:
address_space = "32-bit (no map region)";
break;
}
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LOG_DEBUG(Service_FS, " > Address space: {}\n", address_space);
// Begin ACID printing (potential perms, signed)
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LOG_DEBUG(Service_FS, "Magic: {:.4}", acid_header.magic.data());
LOG_DEBUG(Service_FS, "Flags: 0x{:02X}", acid_header.flags);
LOG_DEBUG(Service_FS, " > Is Retail: {}", acid_header.is_retail ? "YES" : "NO");
LOG_DEBUG(Service_FS, "Title ID Min: 0x{:016X}", acid_header.title_id_min);
LOG_DEBUG(Service_FS, "Title ID Max: 0x{:016X}", acid_header.title_id_max);
LOG_DEBUG(Service_FS, "Filesystem Access: 0x{:016X}\n", acid_file_access.permissions);
// Begin ACI0 printing (actual perms, unsigned)
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LOG_DEBUG(Service_FS, "Magic: {:.4}", aci_header.magic.data());
LOG_DEBUG(Service_FS, "Title ID: 0x{:016X}", aci_header.title_id);
LOG_DEBUG(Service_FS, "Filesystem Access: 0x{:016X}\n", aci_file_access.permissions);
}
} // namespace FileSys