Started working on some 2D gra

1 files changed, 206 insertions, 0 deletions

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+//This file contains the kernel's main procedure
+
+#include <common.h>
+#include <Core/multiboot.wtf.h>
+
+#include <Devices/Display/VGATextOutput.class.h>
+#include <Devices/Display/VESADisplay.class.h>
+#include <Devices/Keyboard/PS2Keyboard.class.h>
+#include <Devices/Floppy/FloppyDrive.class.h>
+#include <Devices/Timer.class.h>
+#include <DeviceManager/Disp.ns.h>
+#include <DeviceManager/Dev.ns.h>
+#include <DeviceManager/Kbd.ns.h>
+#include <DeviceManager/Time.ns.h>
+#include <VTManager/ScrollableVT.class.h>
+#include <VTManager/FileVT.class.h>
+#include <MemoryManager/PhysMem.ns.h>
+#include <MemoryManager/PageAlloc.ns.h>
+#include <MemoryManager/GDT.ns.h>
+#include <TaskManager/Task.ns.h>
+#include <UserManager/Usr.ns.h>
+#include <SyscallManager/IDT.ns.h>
+#include <String.class.h>
+#include <ByteArray.class.h>
+#include <VFS/Part.ns.h>
+#include <FileSystems/RamFS/RamFS.class.h>
+#include <VFS/FileNode.class.h>
+#include <VFS/VFS.ns.h>
+#include <VFS/DirectoryNode.class.h>
+#include <Core/Log.ns.h>
+#include <Shell/KernelShell.class.h>
+
+#include <Ressources/Graphics/logo.text.cxd>
+
+extern u32int end;	//Placement address
+
+extern "C" void kmain(multiboot_info_t* mbd, u32int magic);
+
+u32int logoAnimation(void* p) {
+	SimpleVT& vt = *((SimpleVT*)p);
+	vt.setColor(8);
+	u8int *wat = new u8int[melonLogoLines * melonLogoCols];
+	for (int x = 0; x < melonLogoCols; x++) {
+		for (int y = 0; y < melonLogoLines; y++) {
+			wat[x * melonLogoLines + y] = melonLogo[y][x];
+			vt.putChar(y, x, " ");
+		}
+	}
+	vt.setColor(TXTLOGO_FGCOLOR);
+	u32int s = 32;
+	for (int i = 0; i < 255; i++) {
+		for (int x = 0; x < (i < melonLogoCols ? i : melonLogoCols); x++) {
+			for (int y = 0; y < melonLogoLines; y++) {
+				if (wat[x * melonLogoLines + y] != melonLogo[y][x]) {
+					wat[x * melonLogoLines + y]++;
+					if (wat[x * melonLogoLines + y] > melonLogo[y][x] && (y + x) % 2 == 1)
+						wat[x * melonLogoLines + y] += 2;
+					if (wat[x * melonLogoLines + y] >= 127)
+						wat[x * melonLogoLines + y] = 32;
+					vt.setColor(7);
+					vt.putChar(y, x, wat[x * melonLogoLines + y]);
+				} else {
+					vt.setColor(TXTLOGO_FGCOLOR);
+					vt.putChar(y, x, wat[x * melonLogoLines + y]);
+				}
+			}
+		}
+		vt.setColor(8);
+		if (i < melonLogoCols) {
+			for (int y = 0; y < melonLogoLines; y++) {
+				s += 102;
+				while (s > 127) s -= (127 - 33);
+				wat[(i + (y%3)) * melonLogoLines + y] = s;
+				vt.putChar(y, (i + (y%3)), wat[(i + (y%3)) * melonLogoLines + y]);
+			}
+		}
+		Task::currThread()->sleep(20);
+	}
+	delete wat;
+	return 0;
+}
+
+void selectVideoMode(SimpleVT& v) {
+	Disp::getModes();
+	v << "\n\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(40);
+		v << m.device->getName() << "\n";
+	}
+
+	while (1) {
+		v << "\nYour selection: ";
+		String answer = v.readLine();
+		u32int n = answer.toInt();
+		if (n >= 0 and n < Disp::modes.size() and Disp::setMode(Disp::modes[n])) {
+			return;
+		} else {
+			v << "Error while switching video mode, please select another one.\n";
+		}
+	}
+}
+
+void kmain(multiboot_info_t* mbd, u32int magic) {
+	DEBUG("Entering kmain.");
+
+	if (magic != MULTIBOOT_BOOTLOADER_MAGIC) {
+		Mem::placementAddress = (u32int)&end;	//Setup basic stuff so that PANIC will work
+		VGATextOutput *vgaout = new VGATextOutput();
+		Disp::setText(vgaout);
+		PANIC("Error with multiboot header.");
+	}
+	
+	//Setup placement address so that we can use new without overwriting modules
+	Mem::placementAddress = (u32int)&end;
+	mbd->cmdline += 0xC0000000; mbd->mods_addr += 0xC0000000; //Take stuff into acount
+	module_t *mods = (module_t*)mbd->mods_addr;
+	for (u32int i = 0; i < mbd->mods_count; i++) {
+		mods[i].mod_start += 0xC0000000;
+		mods[i].mod_end += 0xC0000000;
+		if (mods[i].mod_end > Mem::placementAddress) 
+			Mem::placementAddress = mods[i].mod_end + 0x1000;
+	}
+
+	//Create text output
+	VGATextOutput *vgaout = new VGATextOutput();
+	Disp::setText(vgaout);
+
+	//Create a VT for logging what kernel does
+	SimpleVT *kvt = new ScrollableVT(25, 80, 10, KVT_FGCOLOR, KVT_BGCOLOR);
+	kvt->map(0, 0);
+	*kvt << "Melon is loading...";
+
+	IDT::init();		//Setup interrupts 
+
+	u32int totalRam = ((mbd->mem_upper + mbd->mem_lower) * 1024);
+	PhysMem::initPaging(totalRam);		//Setup paging 
+
+	GDT::init();		//Initialize real GDT, not fake one from loader.wtf.asm
+	PhysMem::removeTemporaryPages(); 	//Remove useless page mapping
+
+	Mem::createHeap();		//Create kernel heap 
+
+	Dev::registerDevice(new Timer()); 	//Initialize timer
+	Task::initialize(String((char*)mbd->cmdline), kvt);	//Initialize multitasking 
+
+	FileSystem* fs = RamFS::mount((u8int*)mods[0].mod_start, 1024 * 1024, NULL);
+	DirectoryNode* cwd;
+	cwd = fs->getRootNode();
+	Task::currProcess()->setCwd(cwd);
+	VFS::setRootNode(cwd);
+
+	Log::init(KL_STATUS);	//Setup logging
+	Log::log(KL_STATUS, "kmail : Melon booting.");
+
+	Dev::registerDevice(vgaout);
+	Log::log(KL_STATUS, "kmain : Registered textual VGA output");
+	Dev::registerDevice(new VESADisplay());
+	Log::log(KL_STATUS, "kmain : Created VESA display");
+
+	Dev::registerDevice(new PS2Keyboard());	//Initialize keyboard driver
+	if (!Kbd::loadKeymap("fr")) Log::log(KL_ERROR, "kmain : could not load french keymap.");
+	Kbd::setFocus(kvt);	//Set focus to virtual terminal
+	Log::log(KL_STATUS, "kmain : Keyboard set up");
+
+	asm volatile("sti");
+
+	selectVideoMode(*kvt);
+	kvt->unmap();
+
+	//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);
+
+	FloppyController::detect();
+	Log::log(KL_STATUS, "kmain : Floppy drives detected");
+
+	Usr::load();
+	Log::log(KL_STATUS, "kmain : User list loaded");
+
+	Process* p = Process::run("/System/Applications/PaperWork.app", 0);
+	if (p == 0) {
+		PANIC("Could not launch PaperWork !");
+	} else {
+		Log::log(KL_STATUS, "kmain : Starting PaperWork (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->start();
+		while (p->getState() != P_FINISHED) Task::currThread()->sleep(100);
+		PANIC("PaperWork finished.");
+	}
+
+	PANIC("END OF KMAIN");
+}