mirror of https://github.com/yuzu-mirror/yuzu
Merge pull request #731 from yuriks/app-info
Kernel: Process class and ExHeader caps parsingpull/8/head
bunnei
10 years ago
commit
917ac23dfc
@ -0,0 +1,96 @@
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// Copyright 2015 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "common/assert.h"
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#include "common/common_funcs.h"
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#include "common/logging/log.h"
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#include "core/hle/kernel/process.h"
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#include "core/hle/kernel/thread.h"
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#include "core/mem_map.h"
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namespace Kernel {
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SharedPtr<Process> Process::Create(std::string name, u64 program_id) {
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SharedPtr<Process> process(new Process);
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process->name = std::move(name);
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process->program_id = program_id;
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process->flags.raw = 0;
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process->flags.memory_region = MemoryRegion::APPLICATION;
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return process;
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}
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void Process::ParseKernelCaps(const u32* kernel_caps, size_t len) {
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for (int i = 0; i < len; ++i) {
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u32 descriptor = kernel_caps[i];
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u32 type = descriptor >> 20;
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if (descriptor == 0xFFFFFFFF) {
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// Unused descriptor entry
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continue;
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} else if ((type & 0xF00) == 0xE00) { // 0x0FFF
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// Allowed interrupts list
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LOG_WARNING(Loader, "ExHeader allowed interrupts list ignored");
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} else if ((type & 0xF80) == 0xF00) { // 0x07FF
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// Allowed syscalls mask
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unsigned int index = ((descriptor >> 24) & 7) * 24;
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u32 bits = descriptor & 0xFFFFFF;
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while (bits && index < svc_access_mask.size()) {
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svc_access_mask.set(index, bits & 1);
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++index; bits >>= 1;
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}
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} else if ((type & 0xFF0) == 0xFE0) { // 0x00FF
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// Handle table size
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handle_table_size = descriptor & 0x3FF;
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} else if ((type & 0xFF8) == 0xFF0) { // 0x007F
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// Misc. flags
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flags.raw = descriptor & 0xFFFF;
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} else if ((type & 0xFFE) == 0xFF8) { // 0x001F
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// Mapped memory range
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if (i+1 >= len || ((kernel_caps[i+1] >> 20) & 0xFFE) != 0xFF8) {
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LOG_WARNING(Loader, "Incomplete exheader memory range descriptor ignored.");
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continue;
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}
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u32 end_desc = kernel_caps[i+1];
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++i; // Skip over the second descriptor on the next iteration
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AddressMapping mapping;
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mapping.address = descriptor << 12;
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mapping.size = (end_desc << 12) - mapping.address;
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mapping.writable = descriptor & BIT(20);
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mapping.unk_flag = end_desc & BIT(20);
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address_mappings.push_back(mapping);
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} else if ((type & 0xFFF) == 0xFFE) { // 0x000F
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// Mapped memory page
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AddressMapping mapping;
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mapping.address = descriptor << 12;
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mapping.size = Memory::PAGE_SIZE;
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mapping.writable = true; // TODO: Not sure if correct
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mapping.unk_flag = false;
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} else if ((type & 0xFE0) == 0xFC0) { // 0x01FF
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// Kernel version
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int minor = descriptor & 0xFF;
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int major = (descriptor >> 8) & 0xFF;
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LOG_INFO(Loader, "ExHeader kernel version ignored: %d.%d", major, minor);
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} else {
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LOG_ERROR(Loader, "Unhandled kernel caps descriptor: 0x%08X", descriptor);
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}
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}
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}
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void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) {
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Kernel::SetupMainThread(stack_size, entry_point, main_thread_priority);
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}
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Kernel::Process::Process() {}
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Kernel::Process::~Process() {}
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SharedPtr<Process> g_current_process;
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}
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@ -0,0 +1,90 @@
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// Copyright 2015 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <bitset>
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#include <boost/container/static_vector.hpp>
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#include "common/bit_field.h"
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#include "common/common_types.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/result.h"
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namespace Kernel {
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struct AddressMapping {
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// Address and size must be page-aligned
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VAddr address;
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u32 size;
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bool writable;
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bool unk_flag;
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};
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enum class MemoryRegion : u16 {
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APPLICATION = 1,
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SYSTEM = 2,
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BASE = 3,
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};
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union ProcessFlags {
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u16 raw;
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BitField< 0, 1, u16> allow_debug; ///< Allows other processes to attach to and debug this process.
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BitField< 1, 1, u16> force_debug; ///< Allows this process to attach to processes even if they don't have allow_debug set.
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BitField< 2, 1, u16> allow_nonalphanum;
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BitField< 3, 1, u16> shared_page_writable; ///< Shared page is mapped with write permissions.
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BitField< 4, 1, u16> privileged_priority; ///< Can use priority levels higher than 24.
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BitField< 5, 1, u16> allow_main_args;
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BitField< 6, 1, u16> shared_device_mem;
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BitField< 7, 1, u16> runnable_on_sleep;
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BitField< 8, 4, MemoryRegion> memory_region; ///< Default region for memory allocations for this process
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BitField<12, 1, u16> loaded_high; ///< Application loaded high (not at 0x00100000).
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};
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class Process final : public Object {
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public:
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static SharedPtr<Process> Create(std::string name, u64 program_id);
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std::string GetTypeName() const override { return "Process"; }
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std::string GetName() const override { return name; }
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static const HandleType HANDLE_TYPE = HandleType::Process;
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HandleType GetHandleType() const override { return HANDLE_TYPE; }
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/// Name of the process
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std::string name;
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/// Title ID corresponding to the process
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u64 program_id;
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/// The process may only call SVCs which have the corresponding bit set.
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std::bitset<0x80> svc_access_mask;
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/// Maximum size of the handle table for the process.
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unsigned int handle_table_size = 0x200;
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/// Special memory ranges mapped into this processes address space. This is used to give
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/// processes access to specific I/O regions and device memory.
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boost::container::static_vector<AddressMapping, 8> address_mappings;
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ProcessFlags flags;
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/**
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* Parses a list of kernel capability descriptors (as found in the ExHeader) and applies them
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* to this process.
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*/
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void ParseKernelCaps(const u32* kernel_caps, size_t len);
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/**
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* Applies address space changes and launches the process main thread.
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*/
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void Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size);
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private:
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Process();
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~Process() override;
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};
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extern SharedPtr<Process> g_current_process;
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}
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