1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <bitset>
#include <cstddef>
#include <memory>
#include <string>
#include <boost/container/static_vector.hpp>
#include "common/bit_field.h"
#include "common/common_types.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/vm_manager.h"
namespace Kernel {
struct AddressMapping {
// Address and size must be page-aligned
VAddr address;
u32 size;
bool writable;
bool unk_flag;
};
enum class MemoryRegion : u16 {
APPLICATION = 1,
SYSTEM = 2,
BASE = 3,
};
union ProcessFlags {
u16 raw;
BitField< 0, 1, u16> allow_debug; ///< Allows other processes to attach to and debug this process.
BitField< 1, 1, u16> force_debug; ///< Allows this process to attach to processes even if they don't have allow_debug set.
BitField< 2, 1, u16> allow_nonalphanum;
BitField< 3, 1, u16> shared_page_writable; ///< Shared page is mapped with write permissions.
BitField< 4, 1, u16> privileged_priority; ///< Can use priority levels higher than 24.
BitField< 5, 1, u16> allow_main_args;
BitField< 6, 1, u16> shared_device_mem;
BitField< 7, 1, u16> runnable_on_sleep;
BitField< 8, 4, MemoryRegion> memory_region; ///< Default region for memory allocations for this process
BitField<12, 1, u16> loaded_high; ///< Application loaded high (not at 0x00100000).
};
class ResourceLimit;
struct MemoryRegionInfo;
struct CodeSet final : public Object {
static SharedPtr<CodeSet> Create(std::string name, u64 program_id);
std::string GetTypeName() const override { return "CodeSet"; }
std::string GetName() const override { return name; }
static const HandleType HANDLE_TYPE = HandleType::CodeSet;
HandleType GetHandleType() const override { return HANDLE_TYPE; }
/// Name of the process
std::string name;
/// Title ID corresponding to the process
u64 program_id;
std::shared_ptr<std::vector<u8>> memory;
struct Segment {
size_t offset = 0;
VAddr addr = 0;
u32 size = 0;
};
Segment code, rodata, data;
VAddr entrypoint;
private:
CodeSet();
~CodeSet() override;
};
class Process final : public Object {
public:
static SharedPtr<Process> Create(SharedPtr<CodeSet> code_set);
std::string GetTypeName() const override { return "Process"; }
std::string GetName() const override { return codeset->name; }
static const HandleType HANDLE_TYPE = HandleType::Process;
HandleType GetHandleType() const override { return HANDLE_TYPE; }
static u32 next_process_id;
SharedPtr<CodeSet> codeset;
/// Resource limit descriptor for this process
SharedPtr<ResourceLimit> resource_limit;
/// The process may only call SVCs which have the corresponding bit set.
std::bitset<0x80> svc_access_mask;
/// Maximum size of the handle table for the process.
unsigned int handle_table_size = 0x200;
/// Special memory ranges mapped into this processes address space. This is used to give
/// processes access to specific I/O regions and device memory.
boost::container::static_vector<AddressMapping, 8> address_mappings;
ProcessFlags flags;
/// Kernel compatibility version for this process
u16 kernel_version = 0;
/// The id of this process
u32 process_id = next_process_id++;
/**
* Parses a list of kernel capability descriptors (as found in the ExHeader) and applies them
* to this process.
*/
void ParseKernelCaps(const u32* kernel_caps, size_t len);
/**
* Applies address space changes and launches the process main thread.
*/
void Run(s32 main_thread_priority, u32 stack_size);
///////////////////////////////////////////////////////////////////////////////////////////////
// Memory Management
VMManager vm_manager;
// Memory used to back the allocations in the regular heap. A single vector is used to cover
// the entire virtual address space extents that bound the allocations, including any holes.
// This makes deallocation and reallocation of holes fast and keeps process memory contiguous
// in the emulator address space, allowing Memory::GetPointer to be reasonably safe.
std::shared_ptr<std::vector<u8>> heap_memory;
// The left/right bounds of the address space covered by heap_memory.
VAddr heap_start = 0, heap_end = 0;
u32 heap_used = 0, linear_heap_used = 0, misc_memory_used = 0;
MemoryRegionInfo* memory_region = nullptr;
/// Bitmask of the used TLS slots
std::bitset<300> used_tls_slots;
VAddr GetLinearHeapAreaAddress() const;
VAddr GetLinearHeapBase() const;
VAddr GetLinearHeapLimit() const;
ResultVal<VAddr> HeapAllocate(VAddr target, u32 size, VMAPermission perms);
ResultCode HeapFree(VAddr target, u32 size);
ResultVal<VAddr> LinearAllocate(VAddr target, u32 size, VMAPermission perms);
ResultCode LinearFree(VAddr target, u32 size);
private:
Process();
~Process() override;
};
extern SharedPtr<Process> g_current_process;
}
|
