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Diffstat (limited to 'src/core/hle/kernel/process.cpp')
-rw-r--r-- | src/core/hle/kernel/process.cpp | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp new file mode 100644 index 000000000..0cdfa58d7 --- /dev/null +++ b/src/core/hle/kernel/process.cpp @@ -0,0 +1,98 @@ +// Copyright 2015 Citra Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "common/assert.h" +#include "common/common_funcs.h" +#include "common/logging/log.h" + +#include "core/hle/kernel/process.h" +#include "core/hle/kernel/thread.h" +#include "core/memory.h" + +namespace Kernel { + +u32 Process::next_process_id; + +SharedPtr<Process> Process::Create(std::string name, u64 program_id) { + SharedPtr<Process> process(new Process); + + process->name = std::move(name); + process->program_id = program_id; + + process->flags.raw = 0; + process->flags.memory_region = MemoryRegion::APPLICATION; + + return process; +} + +void Process::ParseKernelCaps(const u32* kernel_caps, size_t len) { + for (int 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; + mapping.size = (end_desc << 12) - mapping.address; + mapping.writable = descriptor & (1 << 20); + mapping.unk_flag = end_desc & (1 << 20); + + 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.writable = true; // TODO: Not sure if correct + mapping.unk_flag = false; + } else if ((type & 0xFE0) == 0xFC0) { // 0x01FF + // Kernel version + int minor = descriptor & 0xFF; + int major = (descriptor >> 8) & 0xFF; + LOG_INFO(Loader, "ExHeader kernel version ignored: %d.%d", major, minor); + } else { + LOG_ERROR(Loader, "Unhandled kernel caps descriptor: 0x%08X", descriptor); + } + } +} + +void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) { + Kernel::SetupMainThread(entry_point, main_thread_priority); +} + +Kernel::Process::Process() {} +Kernel::Process::~Process() {} + +SharedPtr<Process> g_current_process; + +} |