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

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//----------------------------------------------------------------------------//
// GNU GPL OS/K //
// //
// Desc: Kernel entry point //
// //
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// //
// 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/>. //
//----------------------------------------------------------------------------//
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#include <mm/gdt.h>
#include <mm/map.h>
#include <mm/paging.h>
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#include <mm/heap.h>
#include <ke/idt.h>
#include <ke/time.h>
#include <ke/cpuid.h>
#include <ke/sched.h>
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#include <sh/shell.h>
#include <io/vga.h>
#include <io/keyb.h>
#include <io/cursor.h>
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#include <io/acpi.h>
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#include <po/shtdwn.h>
#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();
// Initialize the BootInfo_t structure
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BtInitBootInfo(mbInfo, codeSeg);
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// Screen I/O available from this point on
IoInitVGABuffer();
IoEnableCursor();
IoUpdateCursor(0, 0);
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KernLog("%C%c%c%c OS/K\n\n%C",
VGA_COLOR_WHITE,
219,
219,
219,
VGA_COLOR_LIGHT_GREY
);
// Sanity checks
BtDoSanityChecks(mbMagic);
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// Memory
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MmInitMemoryMap();
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MmInitGdt();
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// Interrupts
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KeSetupIDT();
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KeEnableIRQs();
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// Memory (2)
MmInitHeap();
MmInitPaging();
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// Interrupt handlers
MmActivatePageHandler();
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KeEnableRTC();
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KeEnablePIT();
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KeGetCpuInfos();
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IoEnableKeyb();
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// ACPI
IoTestAcpi();
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// Scheduler
PsInitSched();
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// Command line (kernel mode)
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ShStartShell();
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//KeCrashSystem();
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// Exit !
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PoShutdown();
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}