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os-k/kaleid/kernel/init/init.c

110 lines
3.5 KiB
C

//----------------------------------------------------------------------------//
// OS on Kaleid //
// //
// Desc: Kernel entry point //
// //
// //
// Copyright © 2018-2021 The OS/K Team //
// //
// This file is part of OS/K. //
// //
// OS/K is free software: you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation, either version 3 of the License, or //
// any later version. //
// //
// OS/K is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY//without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
//----------------------------------------------------------------------------//
#include <mm/gdt.h>
#include <mm/map.h>
#include <mm/paging.h>
#include <mm/heap.h>
#include <ke/idt.h>
#include <ke/time.h>
#include <ke/cpuid.h>
#include <ke/sched.h>
#include <ke/syscall.h>
#include <sh/shell.h>
#include <io/vga.h>
#include <io/keyb.h>
#include <io/cursor.h>
#include <io/acpi.h>
#include <io/pci.h>
#include <po/shtdwn.h>
#include <init/boot.h>
#include <drivers/ata.h>
//
// Entry point of the Kaleid kernel
//
noreturn void BtStartKern(multiboot_info_t *mbInfo, uint mbMagic, void *codeSeg)
{
KeDisableIRQs();
// Initialize the BootInfo_t structure
BtInitBootInfo(mbInfo, codeSeg);
// Screen I/O available from this point on
IoInitVGABuffer();
IoEnableCursor();
IoUpdateCursor(0, 0);
KernLog("%C%c%c%c OS/K\n\n%C",
VGA_COLOR_WHITE,
219,
219,
219,
VGA_COLOR_LIGHT_GREY
);
// Sanity checks
BtDoSanityChecks(mbMagic);
// Memory
MmInitMemoryMap();
MmInitHeap();
MmInitGdt();
MmInitPaging();
// Interrupts
KeSetupIDT();
KeEnableIRQs();
KeEnableRTC();
KeEnablePIT();
// Interrupt handlers
MmActivatePageHandler();
KeGetCpuInfos();
IoEnableKeyb();
KeEnableSystemCalls();
// ACPI
IoInitAcpi();
// PCI express
IoInitPCI();
// Drivers
IoDetectATA();
// Scheduler
PsInitSched();
// Command line (kernel mode)
KernLog("Copyright (C) 2018-2021 The OS/K Team\n"
"This program comes with ABSOLUTELY NO WARRANTY.\n"
"This is free software, type `ver' for details.\n");
ShStartShell();
//KeCrashSystem();
// Exit !
PoShutdown();
}