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

80 lines
3.0 KiB
C

//----------------------------------------------------------------------------//
// GNU GPL OS/K //
// //
// Desc: Kernel entry point //
// //
// //
// Copyright © 2018-2019 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 "init.h"
#include <io/vga.h>
void MmInitPaging(void);
void MmActivatePageHandler(void);
//
// 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%C\n\n", VGA_COLOR_WHITE,
219, 219, 219, VGA_COLOR_LIGHT_GREY);
// Sanity checks
BtDoSanityChecks(mbMagic);
// Memory
MmInitMemoryMap();
//MmInitGdt();
MmInitPaging();
MmInitHeap();
// Interrupts launching
KeSetupIDT();
KeEnableIRQs();
// Start drivers
KeEnableRTC();
IoEnableKeyb();
MmActivatePageHandler();
KernLog("\n%CThis %Cis %Ca %CColor %Ctest%C...%C\n",
VGA_COLOR_LIGHT_BLUE,
VGA_COLOR_BROWN,
VGA_COLOR_MAGENTA,
VGA_COLOR_LIGHT_GREEN,
VGA_COLOR_RED,
VGA_COLOR_DARK_GREY,
VGA_COLOR_LIGHT_GREY);
KeStartShell();
PoShutdown();
}