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#include "types.h"
#include "kmalloc.h"
#include "i386.h"
#include "i8253.h"
#include "Keyboard.h"
#include "Process.h"
#include "system.h"
#include "PIC.h"
#include "CMOS.h"
#include "IDEDiskDevice.h"
#include "KSyms.h"
#include <VirtualFileSystem/NullDevice.h>
#include <VirtualFileSystem/ZeroDevice.h>
#include <VirtualFileSystem/FullDevice.h>
#include <VirtualFileSystem/RandomDevice.h>
#include <VirtualFileSystem/Ext2FileSystem.h>
#include <VirtualFileSystem/VirtualFileSystem.h>
#include <Widgets/GUIEventDevice.h>
#include "MemoryManager.h"
#include "ProcFileSystem.h"
#include "RTC.h"
#include "VirtualConsole.h"
#include "Scheduler.h"
#include "PS2MouseDevice.h"
#define SPAWN_GUI_TEST_APP
//#define SPAWN_MULTIPLE_SHELLS
//#define STRESS_TEST_SPAWNING
system_t system;
VirtualConsole* tty0;
VirtualConsole* tty1;
VirtualConsole* tty2;
VirtualConsole* tty3;
Keyboard* keyboard;
PS2MouseDevice* ps2mouse;
GUIEventDevice* gui_event_device;
#ifdef STRESS_TEST_SPAWNING
static void spawn_stress() 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
static void init_stage2() NORETURN;
static void init_stage2()
{
Syscall::initialize();
auto vfs = make<VFS>();
auto dev_zero = make<ZeroDevice>();
vfs->register_character_device(*dev_zero);
auto dev_null = make<NullDevice>();
vfs->register_character_device(*dev_null);
auto dev_full = make<FullDevice>();
vfs->register_character_device(*dev_full);
auto dev_random = make<RandomDevice>();
vfs->register_character_device(*dev_random);
vfs->register_character_device(*keyboard);
vfs->register_character_device(*ps2mouse);
vfs->register_character_device(*gui_event_device);
vfs->register_character_device(*tty0);
vfs->register_character_device(*tty1);
vfs->register_character_device(*tty2);
vfs->register_character_device(*tty3);
auto dev_hd0 = IDEDiskDevice::create();
auto e2fs = Ext2FS::create(dev_hd0.copyRef());
e2fs->initialize();
vfs->mount_root(e2fs.copyRef());
load_ksyms();
vfs->mount(ProcFS::the(), "/proc");
Vector<String> environment;
environment.append("TERM=ansi");
int error;
//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, { }, move(environment), tty0);
#ifdef SPAWN_GUI_TEST_APP
Process::create_user_process("/bin/guitest", (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
extern void WindowComposer_main();
Process::create_kernel_process("WindowComposer", WindowComposer_main);
current->sys$exit(0);
ASSERT_NOT_REACHED();
}
void init() NORETURN;
void init()
{
cli();
kmalloc_init();
init_ksyms();
auto console = make<Console>();
RTC::initialize();
PIC::initialize();
gdt_init();
idt_init();
keyboard = new Keyboard;
ps2mouse = new PS2MouseDevice;
gui_event_device = new GUIEventDevice;
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();
VFS::initialize_globals();
StringImpl::initialize_globals();
PIT::initialize();
memset(&system, 0, sizeof(system));
word base_memory = (CMOS::read(0x16) << 8) | CMOS::read(0x15);
word ext_memory = (CMOS::read(0x18) << 8) | CMOS::read(0x17);
kprintf("%u kB base memory\n", base_memory);
kprintf("%u kB extended memory\n", ext_memory);
auto procfs = ProcFS::create();
procfs->initialize();
Process::initialize();
Process::create_kernel_process("init_stage2", init_stage2);
Process::create_kernel_process("syncd", [] {
for (;;) {
Syscall::sync();
sleep(10 * TICKS_PER_SECOND);
}
});
Scheduler::pick_next();
sti();
// This now becomes the idle process :^)
for (;;) {
asm("hlt");
}
}
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