kernel/process: Hook up the process capability parser to the process itself

While we're at it, we can also toss out the leftover capability parsing
from Citra.
This commit is contained in:
Lioncash
2018-12-19 23:50:20 -05:00
parent d09fb82113
commit 002ae08bbd
7 changed files with 44 additions and 122 deletions

View File

@ -28,13 +28,11 @@ SharedPtr<Process> Process::Create(KernelCore& kernel, std::string&& name) {
SharedPtr<Process> process(new Process(kernel));
process->name = std::move(name);
process->flags.raw = 0;
process->flags.memory_region.Assign(MemoryRegion::APPLICATION);
process->resource_limit = kernel.GetSystemResourceLimit();
process->status = ProcessStatus::Created;
process->program_id = 0;
process->process_id = kernel.CreateNewProcessID();
process->svc_access_mask.set();
process->capabilities.InitializeForMetadatalessProcess();
std::mt19937 rng(Settings::values.rng_seed.value_or(0));
std::uniform_int_distribution<u64> distribution;
@ -64,83 +62,15 @@ ResultCode Process::ClearSignalState() {
return RESULT_SUCCESS;
}
void Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata) {
ResultCode Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata) {
program_id = metadata.GetTitleID();
ideal_processor = metadata.GetMainThreadCore();
is_64bit_process = metadata.Is64BitProgram();
vm_manager.Reset(metadata.GetAddressSpaceType());
}
void Process::ParseKernelCaps(const u32* kernel_caps, std::size_t len) {
for (std::size_t i = 0; i < len; ++i) {
u32 descriptor = kernel_caps[i];
u32 type = descriptor >> 20;
if (descriptor == 0xFFFFFFFF) {
// Unused descriptor entry
continue;
} else if ((type & 0xF00) == 0xE00) { // 0x0FFF
// Allowed interrupts list
LOG_WARNING(Loader, "ExHeader allowed interrupts list ignored");
} else if ((type & 0xF80) == 0xF00) { // 0x07FF
// Allowed syscalls mask
unsigned int index = ((descriptor >> 24) & 7) * 24;
u32 bits = descriptor & 0xFFFFFF;
while (bits && index < svc_access_mask.size()) {
svc_access_mask.set(index, bits & 1);
++index;
bits >>= 1;
}
} else if ((type & 0xFF0) == 0xFE0) { // 0x00FF
// Handle table size
handle_table_size = descriptor & 0x3FF;
} else if ((type & 0xFF8) == 0xFF0) { // 0x007F
// Misc. flags
flags.raw = descriptor & 0xFFFF;
} else if ((type & 0xFFE) == 0xFF8) { // 0x001F
// Mapped memory range
if (i + 1 >= len || ((kernel_caps[i + 1] >> 20) & 0xFFE) != 0xFF8) {
LOG_WARNING(Loader, "Incomplete exheader memory range descriptor ignored.");
continue;
}
u32 end_desc = kernel_caps[i + 1];
++i; // Skip over the second descriptor on the next iteration
AddressMapping mapping;
mapping.address = descriptor << 12;
VAddr end_address = end_desc << 12;
if (mapping.address < end_address) {
mapping.size = end_address - mapping.address;
} else {
mapping.size = 0;
}
mapping.read_only = (descriptor & (1 << 20)) != 0;
mapping.unk_flag = (end_desc & (1 << 20)) != 0;
address_mappings.push_back(mapping);
} else if ((type & 0xFFF) == 0xFFE) { // 0x000F
// Mapped memory page
AddressMapping mapping;
mapping.address = descriptor << 12;
mapping.size = Memory::PAGE_SIZE;
mapping.read_only = false;
mapping.unk_flag = false;
address_mappings.push_back(mapping);
} else if ((type & 0xFE0) == 0xFC0) { // 0x01FF
// Kernel version
kernel_version = descriptor & 0xFFFF;
int minor = kernel_version & 0xFF;
int major = (kernel_version >> 8) & 0xFF;
LOG_INFO(Loader, "ExHeader kernel version: {}.{}", major, minor);
} else {
LOG_ERROR(Loader, "Unhandled kernel caps descriptor: 0x{:08X}", descriptor);
}
}
const auto& caps = metadata.GetKernelCapabilities();
return capabilities.InitializeForUserProcess(caps.data(), caps.size(), vm_manager);
}
void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) {