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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
|
#include <AK/Types.h>
#include "kmalloc.h"
#include "i386.h"
#include "i8253.h"
#include <Kernel/Devices/KeyboardDevice.h>
#include "Process.h"
#include "PIC.h"
#include <Kernel/Devices/IDEDiskDevice.h>
#include "KSyms.h"
#include <Kernel/Devices/NullDevice.h>
#include <Kernel/Devices/ZeroDevice.h>
#include <Kernel/Devices/FullDevice.h>
#include <Kernel/Devices/RandomDevice.h>
#include <Kernel/FileSystem/Ext2FileSystem.h>
#include <Kernel/FileSystem/VirtualFileSystem.h>
#include <Kernel/VM/MemoryManager.h>
#include <Kernel/FileSystem/ProcFS.h>
#include "RTC.h"
#include <Kernel/TTY/VirtualConsole.h>
#include "Scheduler.h"
#include <Kernel/Devices/PS2MouseDevice.h>
#include <Kernel/TTY/PTYMultiplexer.h>
#include <Kernel/FileSystem/DevPtsFS.h>
#include <Kernel/Devices/BXVGADevice.h>
#include <Kernel/Net/E1000NetworkAdapter.h>
#include <Kernel/Net/NetworkTask.h>
//#define SPAWN_TERMINAL
//#define SPAWN_LAUNCHER
//#define SPAWN_GUITEST2
//#define SPAWN_FILE_MANAGER
//#define SPAWN_PROCESS_MANAGER
//#define SPAWN_TEXT_EDITOR
//#define SPAWN_FONTEDITOR
#define SPAWN_VISUAL_BUILDER
//#define SPAWN_MULTIPLE_SHELLS
//#define STRESS_TEST_SPAWNING
VirtualConsole* tty0;
VirtualConsole* tty1;
VirtualConsole* tty2;
VirtualConsole* tty3;
KeyboardDevice* keyboard;
PS2MouseDevice* ps2mouse;
NullDevice* dev_null;
VFS* vfs;
#ifdef STRESS_TEST_SPAWNING
[[noreturn]] static void spawn_stress()
{
dword last_sum_alloc = sum_alloc;
for (unsigned i = 0; i < 10000; ++i) {
int error;
Process::create_user_process("/bin/true", (uid_t)100, (gid_t)100, (pid_t)0, error, { }, { }, tty0);
dbgprintf("malloc stats: alloc:%u free:%u eternal:%u !delta:%u\n", sum_alloc, sum_free, kmalloc_sum_eternal, sum_alloc - last_sum_alloc);
last_sum_alloc = sum_alloc;
sleep(60);
}
for (;;) {
asm volatile("hlt");
}
}
#endif
[[noreturn]] static void init_stage2()
{
Syscall::initialize();
auto dev_zero = make<ZeroDevice>();
auto dev_full = make<FullDevice>();
auto dev_random = make<RandomDevice>();
auto dev_ptmx = make<PTYMultiplexer>();
auto dev_hd0 = IDEDiskDevice::create();
auto e2fs = Ext2FS::create(dev_hd0.copy_ref());
e2fs->initialize();
vfs->mount_root(e2fs.copy_ref());
dbgprintf("Load ksyms\n");
load_ksyms();
dbgprintf("Loaded ksyms\n");
vfs->mount(ProcFS::the(), "/proc");
vfs->mount(DevPtsFS::the(), "/dev/pts");
int error;
auto* dns_lookup_server_process = Process::create_user_process("/bin/LookupServer", (uid_t)100, (gid_t)100, (pid_t)0, error, { }, { }, tty0);
if (error != 0) {
dbgprintf("error spawning LookupServer: %d\n", error);
hang();
}
auto* window_server_process = Process::create_user_process("/bin/WindowServer", (uid_t)100, (gid_t)100, (pid_t)0, error, { }, { }, tty0);
if (error != 0) {
dbgprintf("error spawning WindowServer: %d\n", error);
hang();
}
window_server_process->set_priority(Process::HighPriority);
Process::create_user_process("/bin/Taskbar", (uid_t)100, (gid_t)100, (pid_t)0, error);
//Process::create_user_process("/bin/sh", (uid_t)100, (gid_t)100, (pid_t)0, error, { }, move(environment), tty0);
#ifdef SPAWN_TERMINAL
Process::create_user_process("/bin/Terminal", (uid_t)100, (gid_t)100, (pid_t)0, error, { }, { }, tty0);
#endif
#ifdef SPAWN_GUITEST2
Process::create_user_process("/bin/guitest2", (uid_t)100, (gid_t)100, (pid_t)0, error, { }, { }, tty0);
#endif
#ifdef SPAWN_LAUNCHER
Process::create_user_process("/bin/Launcher", (uid_t)100, (gid_t)100, (pid_t)0, error, { }, { }, tty0);
#endif
#ifdef SPAWN_VISUAL_BUILDER
Process::create_user_process("/bin/VisualBuilder", (uid_t)100, (gid_t)100, (pid_t)0, error, { }, { }, tty0);
#endif
#ifdef SPAWN_FILE_MANAGER
Process::create_user_process("/bin/FileManager", (uid_t)100, (gid_t)100, (pid_t)0, error, { }, { }, tty0);
#endif
#ifdef SPAWN_PROCESS_MANAGER
Process::create_user_process("/bin/ProcessManager", (uid_t)100, (gid_t)100, (pid_t)0, error, { }, { }, tty0);
#endif
#ifdef SPAWN_TEXT_EDITOR
Vector<String> text_editor_arguments;
text_editor_arguments.append("/bin/TextEditor");
text_editor_arguments.append("/home/anon/ReadMe.md");
Process::create_user_process("/bin/TextEditor", (uid_t)100, (gid_t)100, (pid_t)0, error, move(text_editor_arguments), { }, tty0);
#endif
#ifdef SPAWN_FONTEDITOR
Process::create_user_process("/bin/FontEditor", (uid_t)100, (gid_t)100, (pid_t)0, error, { }, move(environment), tty0);
#endif
#ifdef SPAWN_MULTIPLE_SHELLS
Process::create_user_process("/bin/sh", (uid_t)100, (gid_t)100, (pid_t)0, error, { }, { }, tty1);
Process::create_user_process("/bin/sh", (uid_t)100, (gid_t)100, (pid_t)0, error, { }, { }, tty2);
Process::create_user_process("/bin/sh", (uid_t)100, (gid_t)100, (pid_t)0, error, { }, { }, tty3);
#endif
#ifdef STRESS_TEST_SPAWNING
Process::create_kernel_process("spawn_stress", spawn_stress);
#endif
current->process().sys$exit(0);
ASSERT_NOT_REACHED();
}
extern "C" [[noreturn]] void init()
{
cli();
sse_init();
kmalloc_init();
init_ksyms();
vfs = new VFS;
auto console = make<Console>();
RTC::initialize();
PIC::initialize();
gdt_init();
idt_init();
keyboard = new KeyboardDevice;
ps2mouse = new PS2MouseDevice;
dev_null = new NullDevice;
VirtualConsole::initialize();
tty0 = new VirtualConsole(0, VirtualConsole::AdoptCurrentVGABuffer);
tty1 = new VirtualConsole(1);
tty2 = new VirtualConsole(2);
tty3 = new VirtualConsole(3);
VirtualConsole::switch_to(0);
kprintf("Starting Serenity Operating System...\n");
MemoryManager::initialize();
PIT::initialize();
new BXVGADevice;
auto e1000 = E1000NetworkAdapter::autodetect();
Retained<ProcFS> new_procfs = ProcFS::create();
new_procfs->initialize();
auto devptsfs = DevPtsFS::create();
devptsfs->initialize();
Process::initialize();
Thread::initialize();
Process::create_kernel_process("init_stage2", init_stage2);
Process::create_kernel_process("syncd", [] {
for (;;) {
Syscall::sync();
current->sleep(1 * TICKS_PER_SECOND);
}
});
Process::create_kernel_process("Finalizer", [] {
g_finalizer = current;
current->process().set_priority(Process::LowPriority);
for (;;) {
Thread::finalize_dying_threads();
current->block(Thread::BlockedLurking);
Scheduler::yield();
}
});
Process::create_kernel_process("NetworkTask", NetworkTask_main);
Scheduler::pick_next();
sti();
// This now becomes the idle process :^)
for (;;) {
asm("hlt");
}
}
|
