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#include "types.h"
#include "kmalloc.h"
#include "i386.h"
#include "i8253.h"
#include "KeyboardDevice.h"
#include "Process.h"
#include "system.h"
#include "PIC.h"
#include "IDEDiskDevice.h"
#include "KSyms.h"
#include <Kernel/NullDevice.h>
#include <Kernel/ZeroDevice.h>
#include <Kernel/FullDevice.h>
#include <Kernel/RandomDevice.h>
#include <Kernel/Ext2FileSystem.h>
#include <Kernel/VirtualFileSystem.h>
#include "MemoryManager.h"
#include "ProcFS.h"
#include "RTC.h"
#include "VirtualConsole.h"
#include "Scheduler.h"
#include "PS2MouseDevice.h"
#include "PTYMultiplexer.h"
#include "DevPtsFS.h"
#include "BXVGADevice.h"
#define SPAWN_LAUNCHER
//#define SPAWN_GUITEST2
#define SPAWN_FILE_MANAGER
//#define SPAWN_FONTEDITOR
//#define SPAWN_MULTIPLE_SHELLS
//#define STRESS_TEST_SPAWNING
system_t system;
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());
load_ksyms();
vfs->mount(ProcFS::the(), "/proc");
vfs->mount(DevPtsFS::the(), "/dev/pts");
int error;
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: %d\n", error);
hang();
}
window_server_process->set_priority(Process::HighPriority);
//Process::create_user_process("/bin/sh", (uid_t)100, (gid_t)100, (pid_t)0, error, { }, move(environment), tty0);
Process::create_user_process("/bin/Terminal", (uid_t)100, (gid_t)100, (pid_t)0, error, { }, { }, tty0);
#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_FILE_MANAGER
Process::create_user_process("/bin/FileManager", (uid_t)100, (gid_t)100, (pid_t)0, error, { }, { }, 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->sys$exit(0);
ASSERT_NOT_REACHED();
}
[[noreturn]] void init()
{
cli();
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;
Retained<ProcFS> new_procfs = ProcFS::create();
new_procfs->initialize();
auto devptsfs = DevPtsFS::create();
devptsfs->initialize();
Process::initialize();
Process::create_kernel_process("init_stage2", init_stage2);
Process::create_kernel_process("syncd", [] {
for (;;) {
Syscall::sync();
sleep(1 * TICKS_PER_SECOND);
}
});
Process::create_kernel_process("Finalizer", [] {
g_finalizer = current;
current->set_priority(Process::LowPriority);
for (;;) {
Process::finalize_dying_processes();
current->block(Process::BlockedLurking);
Scheduler::yield();
}
});
Scheduler::pick_next();
sti();
// This now becomes the idle process :^)
for (;;) {
asm("hlt");
}
}
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