Merge branch 'master' into framework

Conflicts:
	Melon.img

22 files changed, 320 insertions, 78 deletions

diff --git a/Media/Screenshots/2009-12-20-235850_728x426_scrot.png b/Media/Screenshots/2009-12-20-235850_728x426_scrot.png
new file mode 100644
index 0000000..c9b057f
--- /dev/null
+++ b/Media/Screenshots/2009-12-20-235850_728x426_scrot.png
diff --git a/Source/Kernel/Config.h b/Source/Kernel/Config.h
index 77573aa..40689e3 100644
--- a/Source/Kernel/Config.h
+++ b/Source/Kernel/Config.h
@@ -7,6 +7,9 @@
 #define TXTLOGO_FGCOLOR 9	//Colors for the melon logo
 #define TXTLOGO_BGCOLOR 0
 
+#define STATUSBAR_BGCOLOR 7
+#define STATUSBAR_FGCOLOR 0
+
 #define KVT_FGCOLOR 7		//Colors for the vt for selecting a screen mode
 #define KVT_BGCOLOR 0
 #define KVT_LIGHTCOLOR 9
diff --git a/Source/Kernel/Core/SB.ns.cpp b/Source/Kernel/Core/SB.ns.cpp
new file mode 100644
index 0000000..f5b21ec
--- /dev/null
+++ b/Source/Kernel/Core/SB.ns.cpp
@@ -0,0 +1,136 @@
+#include "SB.ns.h"
+#include <Mutex.class.h>
+#include <TaskManager/Task.ns.h>
+#include <MemoryManager/PhysMem.ns.h>
+#include <DeviceManager/Disp.ns.h>
+
+#define BOOT_ITEMS 17
+
+namespace SB {
+
+SimpleVT *sb = NULL;
+
+String msg;
+
+u16int boot_progress = 0;
+u16int height;
+bool gone_multi = false;
+
+Mutex lock(MUTEX_FALSE);
+
+void init() {
+	sb = new SimpleVT(1, 80, STATUSBAR_FGCOLOR, STATUSBAR_BGCOLOR);
+	height = 1;
+	sb->map(0, 0);
+	sb->hideCursor();
+}
+
+void drawprogress(const String& s) {
+	sb->clear();
+	int d = (sb->width() / 2) - ((BOOT_ITEMS + 4) / 2);
+	if (height == 1) d -= 4;
+	sb->moveCursor(0, d);
+	*sb << "{";
+	for (u32int i = 0; i < boot_progress; i++) *sb << ":";
+	*sb << ".";
+	sb->moveCursor(0, BOOT_ITEMS + d + 3);
+	*sb << "}";
+	if (height > 1) {
+		*sb << "\n";
+		*sb << "Loading : [" << s;
+		sb->moveCursor(1, sb->width() - 2);
+		*sb << "]";
+	} else {
+		sb->moveCursor(0, 0);
+		*sb << "Melon is loading :";
+		sb->moveCursor(0, d + BOOT_ITEMS + 6);
+		*sb << "[" << s;
+		sb->moveCursor(0, sb->width() - 2);
+		*sb << "]";
+	}
+}
+
+void drawnormal() {
+	sb->clear();
+	sb->moveCursor(0, 0);
+	*sb << " [Up:" << (s64int)Time::uptime() << "s";
+	sb->moveCursor(0, 10);
+	*sb << "] [Mem:" << (s64int)PhysMem::free() << "/" << (s64int)PhysMem::total();
+	sb->moveCursor(0, 28);
+	*sb << "] [Proc.:" << (s64int)Task::processes->size();
+	sb->setCursorCol(39);
+	if (height > 1) {
+		*sb << "]";
+		sb->moveCursor(1, 0);
+		*sb << " [Threads:" << (s64int)Task::threads->size();
+		sb->setCursorCol(12);
+		*sb << "] [" << msg;
+		sb->setCursorCol(sb->width() - 2);
+		*sb << "]";
+	} else {
+		*sb << "] [Threads:" << (s64int)Task::threads->size();
+		sb->setCursorCol(52);
+		*sb << "] [" << msg;
+		sb->setCursorCol(sb->width() - 2);
+		*sb << "]";
+	}
+}
+
+void reinit() {
+	if (!gone_multi) return;
+	lock.waitLock();
+	delete sb;
+	height = (Disp::mode.textCols < 80 ? 2 : 1);
+	sb = new SimpleVT(height, Disp::mode.textCols, STATUSBAR_FGCOLOR, STATUSBAR_BGCOLOR);
+	sb->map(0, 0);
+	sb->hideCursor();
+	if (boot_progress != 0) {
+		drawprogress(msg);
+	} else {
+		drawnormal();
+	}
+	lock.unlock();
+}
+
+u32int thread(void*) {
+	while (!gone_multi);	//Synchronize
+	while (1) {
+		lock.waitLock();
+		if (boot_progress != 0) {
+			drawprogress(msg);
+		} else {
+			drawnormal();
+		}
+		lock.unlock();
+		Task::currThread()->sleep(100);
+	}
+	return 0;
+}
+
+void gomulti() {
+	new Thread(thread, 0, true);
+	gone_multi = true;
+}
+
+void progress(const String& s) {
+	if (gone_multi) {
+		lock.waitLock();
+		boot_progress++;
+		msg = s;
+		lock.unlock();
+	} else {
+		boot_progress++;
+		drawprogress(s);
+	}
+}
+
+void message(const String& s) {
+	if (!gone_multi) return;
+	lock.waitLock();
+	boot_progress = 0;
+	msg = s;
+	drawnormal();
+	lock.unlock();
+}
+
+} //END NS
diff --git a/Source/Kernel/Core/SB.ns.h b/Source/Kernel/Core/SB.ns.h
new file mode 100644
index 0000000..7b3b65c
--- /dev/null
+++ b/Source/Kernel/Core/SB.ns.h
@@ -0,0 +1,17 @@
+#ifndef DEF_SB_NS_H
+#define DEF_SB_NS_H
+
+//StatusBar namespace :)
+#include <VTManager/SimpleVT.class.h>
+
+namespace SB {
+	extern u16int height;
+
+	void init();	//Setup status bar with default 80col configuration
+	void reinit();	//Setup status bar querying Disp:: for text screen width
+	void gomulti();	//Launch new thread for status bar
+	void progress(const String& s);	//Update progress
+	void message(const String& s);	//Set a message
+}
+
+#endif
diff --git a/Source/Kernel/Core/Sys.ns.cpp b/Source/Kernel/Core/Sys.ns.cpp
index 59da244..05e0d7d 100644
--- a/Source/Kernel/Core/Sys.ns.cpp
+++ b/Source/Kernel/Core/Sys.ns.cpp
@@ -7,6 +7,7 @@
 #include <UserManager/Usr.ns.h>
 #include <MemoryManager/PhysMem.ns.h>
 #include <DeviceManager/Time.ns.h>
+#include <Core/SB.ns.h>
 
 #define DEBUGVT(x) SimpleVT *x = new SimpleVT(4, 56, PANIC_FGCOLOR, PANIC_BGCOLOR); x->map(); x->put('\n');
 
@@ -95,6 +96,7 @@ void stackTrace(u32int ebp, VirtualTerminal& vt, u32int maxframes, bool isUser)
 
 //Used by PANIC() macro (see common.wtf.h)
 void panic(char *message, char *file, u32int line) {
+	SB::message("PANIC");
 	asm volatile("cli");
 
 	DEBUGVT(vt);
@@ -106,6 +108,7 @@ void panic(char *message, char *file, u32int line) {
 }
 
 void panic(char *message, registers_t *regs, char *file, u32int line) {
+	SB::message("PANIC");
 	asm volatile("cli");
 
 	SimpleVT vt(15, 70, BSOD_FGCOLOR, BSOD_BGCOLOR);
@@ -129,6 +132,7 @@ void panic(char *message, registers_t *regs, char *file, u32int line) {
 
 //Used by ASSERT() macro (see common.wtf.h)
 void panic_assert(char *file, u32int line, char *desc) {
+	SB::message("ASSERTION FAILED");
 	asm volatile("cli");
 
 	DEBUGVT(vt);
@@ -140,17 +144,20 @@ void panic_assert(char *file, u32int line, char *desc) {
 }
 
 void shutdown_cleanup() {
+	SB::message("Cleaning up system");
 	asm volatile("cli");
 	Log::close();
 }
 
 void reboot() {
 	shutdown_cleanup();
+	SB::message("Rebooting...");
 	outb(0x64, 0xFE);
 }
 
 void halt() {
 	shutdown_cleanup();
+	SB::message("Halting");
 	String message("MELON SEZ : KTHXBYE, U CAN NAOW TURNZ OFF UR COMPUTER.");
 	SimpleVT vt(3, message.size() + 16, HALT_FGCOLOR, HALT_BGCOLOR);
 	vt.map();
diff --git a/Source/Kernel/Core/kmain.wtf.cpp b/Source/Kernel/Core/kmain.wtf.cpp
index 069bf5f..1760de8 100644
--- a/Source/Kernel/Core/kmain.wtf.cpp
+++ b/Source/Kernel/Core/kmain.wtf.cpp
@@ -31,6 +31,7 @@
 #include <VFS/VFS.ns.h>
 #include <VFS/DirectoryNode.class.h>
 #include <Core/Log.ns.h>
+#include <Core/SB.ns.h>
 #include <Shell/KernelShell.class.h>
 
 #include <Map.class.h>
@@ -87,37 +88,6 @@ u32int logoAnimation(void* p) {
 	return 0;
 }
 
-void selectVideoMode(SimpleVT& v) {
-	Disp::getModes();
-	v << "\nPlease select a graphic mode in the list below:\n";
-
-	for (u32int i = 0; i < Disp::modes.size(); i++) {
-		Disp::mode_t& m = Disp::modes[i];
-		v << (s32int)i << ":\t" << "Text " << m.textRows << "x" << m.textCols << "\t";
-		if (m.graphWidth != 0 and m.graphHeight != 0) {
-			v << "Graphics " << m.graphWidth << "x" << m.graphHeight << "x" << m.graphDepth << "\t";
-		} else {
-			v << "No graphics";
-		}
-		v.setCursorCol(50);
-		v << m.device->getName() << "\n";
-	}
-
-	while (1) {
-		v << "\nYour selection: ";
-		String answer = v.readLine();
-		u32int n = answer.toInt();
-		v.unmap();
-		if (n >= 0 and n < Disp::modes.size() and Disp::setMode(Disp::modes[n])) {
-			return;
-		} else {
-			Disp::setMode(Disp::modes[1]);
-			v.map();
-			v << "Error while switching video mode, please select another one.";
-		}
-	}
-}
-
 void kmain(multiboot_info_t* mbd, u32int magic) {
 	DEBUG("Entering kmain.");
 
@@ -145,30 +115,46 @@ void kmain(multiboot_info_t* mbd, u32int magic) {
 	VGATextOutput *vgaout = new VGATextOutput();
 	Disp::setText(vgaout);
 
+	SB::init();
+
 	//Create a VT for logging what kernel does
-	kvt = new ScrollableVT(25, 80, 20, KVT_FGCOLOR, KVT_BGCOLOR);
-	kvt->map(0, 0);
-	*kvt << "Melon is loading...\n";
+	SB::progress("Create kernel VT");
+	kvt = new ScrollableVT(24, 80, 20, KVT_FGCOLOR, KVT_BGCOLOR);
+	kvt->map(1, 0);
+	kvt->setColor(TXTLOGO_FGCOLOR, TXTLOGO_BGCOLOR);
+	for (int i = 0; i < melonLogoLines; i++) {
+		kvt->setCursorCol(40 - (melonLogoCols / 2));
+		*kvt << melonLogo[i] << "\n";
+	}
+	kvt->setColor(KVT_FGCOLOR, KVT_BGCOLOR);
 
+	SB::progress("IDT");
 	IDT::init();		//Setup interrupts 
 
+	SB::progress("Paging");
 	u32int totalRam = ((mbd->mem_upper + mbd->mem_lower) * 1024);
 	PhysMem::initPaging(totalRam);		//Setup paging 
 
+	SB::progress("GDT");
 	GDT::init();		//Initialize real GDT, not fake one from loader.wtf.asm
 	PhysMem::removeTemporaryPages(); 	//Remove useless page mapping
 
+	SB::progress("Heap");
 	Mem::createHeap();		//Create kernel heap 
 	Dev::registerDevice(vgaout);
 
+	SB::progress("Timer");
 	Dev::registerDevice(new Timer()); 	//Initialize timer
 	String kcmdline((char*)mbd->cmdline);
+	SB::progress("Multitasking");
 	Task::initialize(kcmdline, kvt);	//Initialize multitasking 
+	SB::gomulti();
 
 	asm volatile("sti");
 
 	//***************************************	PARSE COMMAND LINE
 	
+	SB::progress("Parse command line");
 	Vector<String> opts = kcmdline.split(" ");
 	String keymap = "builtin", init = "/System/Applications/PaperWork.app";
 	String root = "ramfs:0";
@@ -185,14 +171,15 @@ void kmain(multiboot_info_t* mbd, u32int magic) {
 
 	//*************************************** 	DEVICE SETUP
 
-	Dev::registerDevice(new PS2Keyboard());	//Initialize keyboard driver
+	SB::progress("Keyboard");		Dev::registerDevice(new PS2Keyboard());	//Initialize keyboard driver
 	Kbd::setFocus(kvt);	//Set focus to virtual terminal
-	if (enableVESA) Dev::registerDevice(new VESADisplay());
-	FloppyController::detect();
-	ATAController::detect();
+	SB::progress("VESA");			if (enableVESA) Dev::registerDevice(new VESADisplay());
+	SB::progress("Floppy");		FloppyController::detect();
+	SB::progress("Hard disk drives");	ATAController::detect();
 
 	//***************************************	MOUNT FILESYSTEMS
 
+	SB::progress("Root filesystem");
 	{	// mount root filesystem
 		if (!VFS::mount(String("/:") += root, kvt, mbd)) PANIC("Cannot mount root filesystem.");
 	}
@@ -200,6 +187,7 @@ void kmain(multiboot_info_t* mbd, u32int magic) {
 	cwd = VFS::getRootNode();
 	Task::currProcess()->setCwd(cwd);
 
+	SB::progress("File systems");
 	// mount other filesystems
 	for (u32int i = 0; i < mount.size(); i++) {
 		VFS::mount(mount[i], kvt, mbd);
@@ -212,46 +200,44 @@ void kmain(multiboot_info_t* mbd, u32int magic) {
 			if (!m.empty() && m[0] != WChar("#")) VFS::mount(m, kvt, mbd);
 		}
 	}
-
 	
 	//***************************************	LOAD SYSTEM STUFF
 
-	if (keymap != "builtin") {
-		if (!Kbd::loadKeymap(keymap)) *kvt << "WARNING : Could not load keymap " << keymap << ", using built-in keymap instead.";
-	}
-
+	SB::progress("Logging");
 	Log::init(KL_STATUS);	//Setup logging
 	Log::log(KL_STATUS, "kmain : Melon booting.");
 
+	if (keymap != "builtin") {
+		SB::progress("Keymap");
+		if (!Kbd::loadKeymap(keymap)) Log::log(KL_WARNING, String("WARNING : Could not load keymap ") += keymap += ", using built-in keymap instead.");
+	}
+
+	SB::progress("Users");
 	Usr::load();			//Setup user managment
 	Log::log(KL_STATUS, "kmain : User list loaded");
 
+	SB::progress("Video mode selection");
+	Disp::selectMode();
 	if (init.empty()) {
+		SB::progress("Start kernel shell");
 		*kvt << "\n";
 		new KernelShell(cwd, kvt);
+		SB::message("Melon is running");
 		while (KernelShell::getInstances() > 0) {
 			Task::currThread()->sleep(100);
 		}
 		Sys::halt();
 	} else {
-		selectVideoMode(*kvt);
-		//Create a VT for handling the Melon bootup logo
-		SimpleVT *melonLogoVT = new SimpleVT(melonLogoLines, melonLogoCols, TXTLOGO_FGCOLOR, TXTLOGO_BGCOLOR);
-		melonLogoVT->map(1);
-		new Thread(logoAnimation, (void*)melonLogoVT, true);
-
+		SB::progress("Launch INIT");
 		Process* p = Process::run(init, 0);
 		if (p == 0) {
 			PANIC((char*)(u8int*)ByteArray(String("Could not launch init : ") += init));
 		} else {
 			Log::log(KL_STATUS, String("kmain : Starting init : ") += init);
-			VirtualTerminal* vt = new ScrollableVT(Disp::textRows() - 10, Disp::textCols() - 4,
-					200, SHELL_FGCOLOR, SHELL_BGCOLOR);
-			Kbd::setFocus(vt);
-			((ScrollableVT*)vt)->map(9);
-			p->setInVT(vt);
-			p->setOutVT(vt);
+			p->setInVT(kvt);
+			p->setOutVT(kvt);
 			p->start();
+			SB::message("Init started");
 			while (p->getState() != P_FINISHED) Task::currThread()->sleep(100);
 			PANIC("Init has terminated");
 		}
diff --git a/Source/Kernel/DeviceManager/Disp.ns.cpp b/Source/Kernel/DeviceManager/Disp.ns.cpp
index 2827869..7ccf254 100644
--- a/Source/Kernel/DeviceManager/Disp.ns.cpp
+++ b/Source/Kernel/DeviceManager/Disp.ns.cpp
@@ -1,6 +1,8 @@
 #include "Disp.ns.h"
 #include <DeviceManager/Dev.ns.h>
 #include <VTManager/VT.ns.h>
+#include <VTManager/ScrollableVT.class.h>
+#include <Core/SB.ns.h>
 
 namespace Disp {
 
@@ -52,6 +54,43 @@ bool setMode(mode_t& newmode) {
 	return false;
 }
 
+void selectMode() {
+	getModes();
+	*kvt << "\nPlease select a graphic mode in the list below:\n";
+
+	for (u32int i = 0; i < Disp::modes.size(); i++) {
+		Disp::mode_t& m = Disp::modes[i];
+		*kvt << (s32int)i << ":\t" << "Text " << m.textRows << "x" << m.textCols;
+		kvt->setCursorCol(21);
+		if (m.graphWidth != 0 and m.graphHeight != 0) {
+			*kvt << "Graphics " << m.graphWidth << "x" << m.graphHeight << "x" << m.graphDepth << "\t";
+		} else {
+			*kvt << "No graphics";
+		}
+		kvt->setCursorCol(45);
+		*kvt << m.device->getName() << "\n";
+	}
+
+	while (1) {
+		*kvt << "\nYour selection: ";
+		String answer = kvt->readLine();
+		u32int n = answer.toInt();
+		kvt->unmap();
+		if (n >= 0 and n < Disp::modes.size() and Disp::setMode(Disp::modes[n])) {
+			delete kvt;
+			SB::reinit();
+			kvt = new ScrollableVT(Disp::mode.textRows - SB::height, Disp::mode.textCols, 100, KVT_FGCOLOR, KVT_BGCOLOR);
+			kvt->map(SB::height);
+			Kbd::setFocus(kvt);
+			return;
+		} else {
+			Disp::setMode(Disp::modes[1]);
+			kvt->map();
+			*kvt << "Error while switching video mode, please select another one.";
+		}
+	}
+}
+
 void setText(VGATextOutput* o) {
 	mode.device = o;
 	o->clear();
diff --git a/Source/Kernel/DeviceManager/Disp.ns.h b/Source/Kernel/DeviceManager/Disp.ns.h
index 2a10358..d1fac57 100644
--- a/Source/Kernel/DeviceManager/Disp.ns.h
+++ b/Source/Kernel/DeviceManager/Disp.ns.h
@@ -25,6 +25,7 @@ namespace Disp {
 
 	void getModes();
 	bool setMode(mode_t& mode);
+	void selectMode();
 
 	void setText(VGATextOutput* o);	//To use only once : when display is initializing
 }
diff --git a/Source/Kernel/Devices/Display/GraphicDisplay.proto.h b/Source/Kernel/Devices/Display/GraphicDisplay.proto.h
index 9608ada..f58f5cf 100644
--- a/Source/Kernel/Devices/Display/GraphicDisplay.proto.h
+++ b/Source/Kernel/Devices/Display/GraphicDisplay.proto.h
@@ -10,6 +10,7 @@ extern u32int consoleColor[16];
 #define C_FONT_HEIGHT 16
 
 class GraphicDisplay : public Display {
+	protected:
 	struct {
 		int line, col;
 		u32int buff[C_FONT_WIDTH][C_FONT_HEIGHT];
diff --git a/Source/Kernel/Devices/Display/VESADisplay.class.cpp b/Source/Kernel/Devices/Display/VESADisplay.class.cpp
index 7c4adca..11b0882 100644
--- a/Source/Kernel/Devices/Display/VESADisplay.class.cpp
+++ b/Source/Kernel/Devices/Display/VESADisplay.class.cpp
@@ -109,7 +109,7 @@ bool VESADisplay::setMode(mode_t &mode) {
 	regs.ax = 0x4F02;
 	regs.bx = mode.identifier | 0x4000;
 	V86::biosInt(0x10, regs);
-	if (regs.ax != 0x004F) return false;
+	if ((regs.ax & 0xFF00) != 0) return false;
 
 	if (m_currMode.bpp == 8) {
 		//Set palette to 8 bit
@@ -300,3 +300,20 @@ void VESADisplay::drawChar(u16int line, u16int col, WChar c, u8int color) {
 		y++;
 	}
 }
+
+bool VESADisplay::textScroll(u16int line, u16int col, u16int height, u16int width, u8int color) {
+	u8int* start = memPos(col * C_FONT_WIDTH, line * C_FONT_HEIGHT);
+	u32int count = width * C_FONT_WIDTH * m_pixWidth;
+	u32int diff = C_FONT_HEIGHT * m_currMode.pitch;
+	putCsrBuff();
+	for (int i = 0; i < (height - 1) * C_FONT_HEIGHT; i++) {
+		memcpy(start, start + diff, count);
+		start += m_currMode.pitch;
+	}
+	for (u32int i = 0; i < width; i++) {
+		drawChar(line + height - 1, col + i, " ", color);
+	}
+	if (m_csrBuff.line == line + height - 1) m_csrBuff.line--;
+	drawCsr();
+	return true;
+}
diff --git a/Source/Kernel/Devices/Display/VESADisplay.class.h b/Source/Kernel/Devices/Display/VESADisplay.class.h
index a6001e2..c3bae82 100644
--- a/Source/Kernel/Devices/Display/VESADisplay.class.h
+++ b/Source/Kernel/Devices/Display/VESADisplay.class.h
@@ -77,6 +77,7 @@ class VESADisplay : public GraphicDisplay {
 
 	//Advanced graphical functions, recoded for being optimized
 	virtual void drawChar(u16int line, u16int col, WChar c, u8int color);
+	bool textScroll(u16int line, u16int col, u16int height, u16int width, u8int color);
 };
 
 #endif
diff --git a/Source/Kernel/Devices/Display/VGATextOutput.class.cpp b/Source/Kernel/Devices/Display/VGATextOutput.class.cpp
index 50a57b2..c597696 100644
--- a/Source/Kernel/Devices/Display/VGATextOutput.class.cpp
+++ b/Source/Kernel/Devices/Display/VGATextOutput.class.cpp
@@ -24,6 +24,7 @@ void VGATextOutput::getModes(Vector<mode_t> &to) {
 	m.identifier = 1;
 	m.graphWidth = 0;
 	m.graphHeight = 0;
+	m.graphDepth = 0;
 	m.device = this;
 	to.push(m);
 	m.textCols = 80;
@@ -60,3 +61,13 @@ void VGATextOutput::clear() {
 	u16int* where = (u16int*)RAM_ADDR;
 	for (int i = 0; i < 25 * 80; i++) where[i] = 0;
 }
+
+bool VGATextOutput::textScroll(u16int line, u16int col, u16int height, u16int width, u8int color) {
+	u8int* where = (u8int*)RAM_ADDR;
+	for (u32int i = 1; i < height; i++) {
+		memcpy(where + ((line + i - 1) * (m_cols * 2)) + (col * 2), where + ((line + i) * (m_cols * 2)) + (col * 2), width * 2);
+	}
+	u16int* w = (u16int*)where;
+	memsetw(w + ((line + height - 1) * m_cols) + col, 0x20 | (color << 8), width);
+	return true;
+}
diff --git a/Source/Kernel/Devices/Display/VGATextOutput.class.h b/Source/Kernel/Devices/Display/VGATextOutput.class.h
index 2c72d40..0b0ba94 100644
--- a/Source/Kernel/Devices/Display/VGATextOutput.class.h
+++ b/Source/Kernel/Devices/Display/VGATextOutput.class.h
@@ -18,6 +18,8 @@ class VGATextOutput : public Display {
 	void putChar(u16int line, u16int col, WChar c, u8int color);
 	void moveCursor(u16int line, u16int col);
 	void clear();
+
+	bool textScroll(u16int line, u16int col, u16int height, u16int width, u8int color);
 };
 
 #endif
diff --git a/Source/Kernel/Makefile b/Source/Kernel/Makefile
index 0f244d5..6a44ecf 100644
--- a/Source/Kernel/Makefile
+++ b/Source/Kernel/Makefile
@@ -14,6 +14,7 @@ Objects = Core/loader.wtf.o \
 		Core/kmain.wtf.o \
 		Core/Sys.ns.o \
 		Core/Log.ns.o \
+		Core/SB.ns.o \
 		MemoryManager/Mem.ns.o \
 		MemoryManager/PhysMem.ns.o \
 		MemoryManager/GDT.wtf.o \
diff --git a/Source/Kernel/Shell/KernelShell-sys.class.cpp b/Source/Kernel/Shell/KernelShell-sys.class.cpp
index 85ba207..b1ab274 100644
--- a/Source/Kernel/Shell/KernelShell-sys.class.cpp
+++ b/Source/Kernel/Shell/KernelShell-sys.class.cpp
@@ -81,6 +81,28 @@ void KernelShell::mount(Vector<String>& args) {
 	}
 }
 
+void KernelShell::unmount(Vector<String>& args) {
+	if (args.size() == 2) {
+		FSNode* n = VFS::find(args[1], m_cwd);
+		bool ok = false;
+		if (n == 0) {
+			ok = false;
+		} else {
+			String p = VFS::path(n);
+			for (u32int i = 0; i < VFS::filesystems.size(); i++) {
+				if (VFS::path(VFS::filesystems[i]->getRootNode()) == p) {
+					ok = VFS::unmount(VFS::filesystems[i]);
+					break;
+				}
+			}
+		}
+		if (ok) *m_vt << "Ok, filesystem unmounted.\n";
+		else *m_vt << "Error.\n";
+	} else {
+		*m_vt << "Usage: unmount <mountpoint>\n";
+	}
+}
+
 void KernelShell::readblock(Vector<String>& args) {
 	if (args.size() == 3) {
 		Vector<Device*> devcs = Dev::findDevices("block");
diff --git a/Source/Kernel/Shell/KernelShell.class.cpp b/Source/Kernel/Shell/KernelShell.class.cpp
index 71a717a..9fec9c7 100644
--- a/Source/Kernel/Shell/KernelShell.class.cpp
+++ b/Source/Kernel/Shell/KernelShell.class.cpp
@@ -5,6 +5,7 @@
 #include <MemoryManager/PhysMem.ns.h>
 #include <TaskManager/Task.ns.h>
 #include <VFS/VFS.ns.h>
+#include <DeviceManager/Disp.ns.h>
 
 u32int KernelShell::m_instances = 0;
 
@@ -62,6 +63,7 @@ u32int KernelShell::run() {
 		{"part", &KernelShell::part},
 		{"readblock", &KernelShell::readblock},
 		{"mount", &KernelShell::mount},
+		{"unmount", &KernelShell::unmount},
 		{"hexdump", &KernelShell::hexdump},
 
 		{0, 0}
@@ -98,26 +100,10 @@ u32int KernelShell::run() {
 		} else if (tokens[0] == "exit") {
 			if (tokens.size() == 1) return 0;
 			return tokens[1].toInt();
-		} else if (tokens[0] == "unmount") {
-			if (tokens.size() == 2) {
-				FSNode* n = VFS::find(tokens[1], m_cwd);
-				bool ok = false;
-				if (n == 0) {
-					ok = false;
-				} else {
-					String p = VFS::path(n);
-					for (u32int i = 0; i < VFS::filesystems.size(); i++) {
-						if (VFS::path(VFS::filesystems[i]->getRootNode()) == p) {
-							ok = VFS::unmount(VFS::filesystems[i]);
-							break;
-						}
-					}
-				}
-				if (ok) *m_vt << "Ok, filesystem unmounted.\n";
-				else *m_vt << "Error.\n";
-			} else {
-				*m_vt << "Usage: unmount <mountpoint>\n";
-			}
+		} else if (tokens[0] == "mode") {
+			bool ch = (m_vt == kvt);
+			Disp::selectMode();
+			if (ch) m_vt = kvt;
 		} else if (tokens[0] != "" or tokens.size() != 1) {
 			u32int i = 0;
 			bool found = false;
diff --git a/Source/Kernel/Shell/KernelShell.class.h b/Source/Kernel/Shell/KernelShell.class.h
index 9655def..1552d28 100644
--- a/Source/Kernel/Shell/KernelShell.class.h
+++ b/Source/Kernel/Shell/KernelShell.class.h
@@ -37,6 +37,7 @@ class KernelShell {
 	void part(Vector<String>& args);
 	void readblock(Vector<String>& args);
 	void mount(Vector<String>& args);
+	void unmount(Vector<String>& args);
 
 	void setup(DirectoryNode* cwd, VirtualTerminal *vt);
 
diff --git a/Source/Kernel/TaskManager/Process.class.cpp b/Source/Kernel/TaskManager/Process.class.cpp
index bca5f1c..4c23df0 100644
--- a/Source/Kernel/TaskManager/Process.class.cpp
+++ b/Source/Kernel/TaskManager/Process.class.cpp
@@ -76,12 +76,14 @@ Process::Process(String binfile, u32int uid) : Ressource(PRIF_OBJTYPE, m_callTab
 	m_userHeap = new Heap();
 	u32int heapIdxSize = PhysMem::total() * 16 + 0x10000;
 	m_userHeap->create(USERHEAPSTART, USERHEAPINITSIZE + heapIdxSize, heapIdxSize, m_pagedir, true, true);
+	Task::registerProcess(this);
 }
 
 Process::~Process() {
 	exit();	//Kill all threads
 	delete m_pagedir;
 	delete m_userHeap;
+	Task::unregisterProcess(this);
 }
 
 void Process::start() {
diff --git a/Source/Kernel/TaskManager/Task.ns.h b/Source/Kernel/TaskManager/Task.ns.h
index 056e4c0..4d2a48d 100644
--- a/Source/Kernel/TaskManager/Task.ns.h
+++ b/Source/Kernel/TaskManager/Task.ns.h
@@ -9,6 +9,9 @@ namespace Task {
 	Thread* currThread();
 	Process* currProcess();
 
+	extern SimpleList <Process*> *processes;
+	extern SimpleList <Thread*> *threads;
+
 	void initialize(String cmdline, VirtualTerminal *vt);	//cmdline should be the bootloader kernel command line, if anybody needs it
 	void doSwitch();
 	void triggerSwitch();
diff --git a/Source/Kernel/VTManager/SimpleVT.class.cpp b/Source/Kernel/VTManager/SimpleVT.class.cpp
index 4a16b54..28f9f98 100644
--- a/Source/Kernel/VTManager/SimpleVT.class.cpp
+++ b/Source/Kernel/VTManager/SimpleVT.class.cpp
@@ -9,6 +9,7 @@ SimpleVT::SimpleVT(u32int rows, u32int cols, u8int fgcolor, u8int bgcolor) : Vir
 	m_rows = rows;
 	m_cols = cols;
 	m_mapped = false;
+	m_hideCursor = false;
 	setColor(fgcolor, bgcolor);
 	clear();
 
@@ -87,6 +88,7 @@ void SimpleVT::scroll() {
 
 void SimpleVT::updateCursor() {
 	if (!m_mapped) return;
+	if (m_hideCursor) return;
 	Disp::moveCursor(m_csrlin + m_maprow, m_csrcol + m_mapcol);
 }
 
diff --git a/Source/Kernel/VTManager/SimpleVT.class.h b/Source/Kernel/VTManager/SimpleVT.class.h
index 9eda6de..8639a82 100644
--- a/Source/Kernel/VTManager/SimpleVT.class.h
+++ b/Source/Kernel/VTManager/SimpleVT.class.h
@@ -10,7 +10,7 @@ class SimpleVT : public VirtualTerminal {
 	u8int m_color;
 
 	u32int m_maprow, m_mapcol;
-	bool m_mapped;
+	bool m_mapped, m_hideCursor;
 	
 	u32int m_csrlin, m_csrcol;
 
@@ -24,6 +24,10 @@ class SimpleVT : public VirtualTerminal {
 	bool isBoxed() { return true; }
 	u8int height() { return m_rows; }
 	u8int width() { return m_cols; }
+	u8int csrlin() { return m_csrlin; }
+	u8int csrcol() { return m_csrcol; }
+
+	void hideCursor(bool hide = true) { m_hideCursor = hide; }
 
 	void map(s32int row = -1, s32int col = -1);
 	void unmap();
diff --git a/Source/Library/Common/SimpleList.class.h b/Source/Library/Common/SimpleList.class.h
index 2bbbace..5806155 100644
--- a/Source/Library/Common/SimpleList.class.h
+++ b/Source/Library/Common/SimpleList.class.h
@@ -78,7 +78,7 @@ class SimpleList {
 
 	u32int size() {
 		if (m_next == 0)
-			return 0;
+			return 1;
 		return m_next->size() + 1;
 	}
 };