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//This file contains the kernel's main procedure
#include <Core/common.wtf.h>
#include <Core/multiboot.wtf.h>
#include <Devices/Display/VGATextOutput.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/VirtualTerminal.class.h>
#include <MemoryManager/PhysMem.ns.h>
#include <MemoryManager/PageAlloc.ns.h>
#include <MemoryManager/GDT.ns.h>
#include <TaskManager/Task.ns.h>
#include <SyscallManager/IDT.ns.h>
#include <Library/String.class.h>
#include <VFS/Part.ns.h>
#include <FileSystems/RamFS/RamFS.class.h>
#include <VFS/FileNode.class.h>
#include <VFS/DirectoryNode.class.h>
#include <Ressources/logo.cd>
#include <Ressources/keymap-fr.wtf.c>
extern u32int end; //Placement address
extern "C" void kmain(multiboot_info_t* mbd, u32int magic);
#define INFO(vt) vt->setColor(0); *vt << " - "; vt->setColor(8);
#define PROCESSING(vt, m) vt->setColor(6); *vt << " > "; vt->setColor(0); *vt << m; \
vt->setCursorCol(60); vt->setColor(8); *vt << ": ";
#define OK(vt) vt->setColor(0); *vt << "[ "; vt->setColor(1); *vt << "OK"; vt->setColor(0); *vt << " ]\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::setDisplay(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::setDisplay(vgaout);
//Create a VT for handling the Melon bootup logo
VirtualTerminal *melonLogoVT = new VirtualTerminal(melonLogoLines, melonLogoCols, 9, 0);
for (int i = 0; i < melonLogoLines; i++) {
for (int j = 0; j < melonLogoCols; j++) {
melonLogoVT->putChar(i, j, melonLogo[i][j]);
}
}
melonLogoVT->map(1);
//Create a VT for logging what kernel does
VirtualTerminal *kvt = new VirtualTerminal(15, 76, 0, 7);
kvt->map(melonLogoLines + 2);
INFO(kvt); *kvt << "Lower ram : " << (s32int)mbd->mem_lower << "k, upper : " << (s32int)mbd->mem_upper << "k.\n";
INFO(kvt); *kvt << "Placement address : " << (u32int)Mem::placementAddress << "\n";
PROCESSING(kvt, "Loading IDT...");
IDT::init(); OK(kvt);
PROCESSING(kvt, "Initializing paging...");
u32int totalRam = ((mbd->mem_upper + 1024) * 1024);
PhysMem::initPaging(totalRam); OK(kvt);
INFO(kvt); *kvt << "Total ram : " << (s32int)(totalRam / 1024) << "k (" << (s32int)(totalRam / (1024 * 1024)) << "M).\n";
PROCESSING(kvt, "Initializing real GDT and cleaning page directory...");
GDT::init();
PhysMem::removeTemporaryPages(); OK(kvt);
PROCESSING(kvt, "Creating kernel heap...");
Mem::createHeap(); OK(kvt);
INFO(kvt); *kvt << "Free frames : " << (s32int)PhysMem::free() << "/" << (s32int)PhysMem::total() << "\n";
PROCESSING(kvt, "Registering textual VGA output...");
Dev::registerDevice(vgaout); OK(kvt);
PROCESSING(kvt,"Initializing PIT...");
Dev::registerDevice(new Timer()); OK(kvt);
PROCESSING(kvt, "Initializing multitasking...");
Task::initialize(String((char*)mbd->cmdline), kvt); OK(kvt);
PROCESSING(kvt, "Setting up keyboard...");
Dev::registerDevice(new PS2Keyboard()); //Initialize keyboard driver
Kbd::setKeymap(keymapFR_normal, keymapFR_shift, keymapFR_caps, keymapFR_altgr, keymapFR_shiftaltgr); //Load keymap
Kbd::setFocus(kvt); //Set focus to virtual terminal
OK(kvt);
PROCESSING(kvt, "Detecting floppy drives...");
FloppyController::detect(); OK(kvt);
asm volatile("sti");
FileSystem* fs = new RamFS(1024 * 1024);
DirectoryNode* rd;
rd = fs->getRootNode();
FileNode* f;
f = rd->createFile(String("test"));
f->write(0, 4, (u8int*)"plop");
while(1) {
kvt->setColor(0);
*kvt << "> ";
kvt->setColor(8);
String tmp = kvt->readLine();
kvt->setColor(0);
if (tmp == "help") {
*kvt << " - Command list for integrated kernel shell:\n";
*kvt << " - help shows this help screen\n";
*kvt << " - reboot reboots your computer\n";
*kvt << " - devices shows all detected devices on your computer\n";
*kvt << " - free shows memory usage (physical frames and kernel heap)\n";
*kvt << " - uptime shows seconds since boot\n";
*kvt << " - part shows all detected block devices and partitions\n";
} else if (tmp == "ls") {
for (u32int i = 0; i < rd->getLength(); i++) {
FSNode* n = rd->getChild(i);
if (n->type() == NT_FILE) {
FileNode* f = (FileNode*)n;
*kvt << "Found file " << f->getName() << ", length " << (s32int)f->getLength() << " :\n";
u8int* d = (u8int*)Mem::kalloc(f->getLength() + 1);
f->read(0, f->getLength(), d);
d[f->getLength()] = 0;
*kvt << String((const char*)d);
Mem::kfree(d);
*kvt << "\n";
} else if (n->type() == NT_DIRECTORY) {
*kvt << "Found directory " << n->getName() << " :\n";
}
}
} else if (tmp == "reboot") {
Sys::reboot();
} else if (tmp == "devices") {
Vector<Device*> dev = Dev::findDevices();
*kvt << " - Detected devices :\n";
for (u32int i = 0; i < dev.size(); i++) {
*kvt << " - " << dev[i]->getClass();
kvt->setCursorCol(25);
*kvt << dev[i]->getName() << "\n";
}
} else if (tmp == "free") {
u32int frames = PhysMem::total(), freef = PhysMem::free();
*kvt << " - Free frames : " << (s32int)freef << " (" << (s32int)(freef * 4 / 1024) << "Mo) of "
<< (s32int)frames << " (" << (s32int)(frames * 4 / 1024) << "Mo).\n";
u32int kh = Mem::kheapSize(), freek = Mem::kheapFree;
*kvt << " - Kernel heap free : " << (s32int)(freek / 1024 / 1024) << "Mo (" << (s32int)(freek / 1024) <<
"Ko) of " << (s32int)(kh / 1024 / 1024) << "Mo (" << (s32int)(kh / 1024) << "Ko).\n";
} else if (tmp == "uptime") {
*kvt << " - Uptime : " << (s32int)(Time::uptime()) << "s.\n";
} else if (tmp == "part") {
*kvt << " * ID\tClass Name\n";
for (u32int i = 0; i < Part::devices.size(); i++) {
*kvt << " - " << (s32int)i << "\t";
if (Part::devices[i] == 0) {
*kvt << "[none]\n";
} else {
*kvt << Part::devices[i]->getClass();
kvt->setCursorCol(33);
*kvt << Part::devices[i]->getName() << "\n";
for (u32int j = 0; j < Part::partitions.size(); j++) {
if (Part::partitions[j]->getDevice() == Part::devices[i]) {
*kvt << "\t - Partition " << (s32int)Part::partitions[j]->getPartNumber() <<
", start at " << (s32int)Part::partitions[j]->getStartBlock() <<
", size " << (s32int)Part::partitions[j]->getBlockCount() << "\n";
}
}
}
}
} else if (!tmp.empty()) {
*kvt << " - Unrecognized command: " << tmp << "\n";
}
}
PANIC("END OF KMAIN");
}
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