84 lines
2.9 KiB
C
84 lines
2.9 KiB
C
//----------------------------------------------------------------------------//
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// GNU GPL OS/K //
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// //
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// Desc: Kernel entry point //
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// //
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// //
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// Copyright © 2018-2019 The OS/K Team //
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// //
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// This file is part of OS/K. //
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// //
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// OS/K is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 3 of the License, or //
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// any later version. //
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// //
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// OS/K is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY//without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
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//----------------------------------------------------------------------------//
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#include <mm/mm.h>
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#include <mm/heap.h>
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#include <ke/idt.h>
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#include <ke/time.h>
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#include <ke/cpuid.h>
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#include <sh/shell.h>
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#include <io/vga.h>
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#include <io/keyb.h>
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#include <io/cursor.h>
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#include <po/shtdwn.h>
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#include <init/boot.h>
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//
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// Entry point of the Kaleid kernel
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//
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noreturn void BtStartKern(multiboot_info_t *mbInfo, uint mbMagic, void *codeSeg)
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{
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KeDisableIRQs();
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// Initialize the BootInfo_t structure
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BtInitBootInfo(mbInfo, codeSeg);
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// Screen I/O available from this point on
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IoInitVGABuffer();
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IoEnableCursor();
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IoUpdateCursor(0, 0);
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KernLog("%C%c%c%c OS/K\n\n%C",
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VGA_COLOR_WHITE,
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219,
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219,
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219,
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VGA_COLOR_LIGHT_GREY
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);
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// Sanity checks
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BtDoSanityChecks(mbMagic);
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// Memory
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MmInitMemoryMap();
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MmInitPaging();
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MmInitHeap();
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// Interrupts launching
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KeSetupIDT();
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KeEnableIRQs();
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KeGetCpuInfos();
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MmInitGdt();
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// Start drivers
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KeEnableRTC();
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KeEnablePIT();
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IoEnableKeyb();
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MmActivatePageHandler();
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ShStartShell();
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PoShutdown();
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}
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