111 lines
3.5 KiB
C
111 lines
3.5 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 <extras/buf.h>
|
|
#include <kernel/iomisc.h>
|
|
#include <kernel/cursor.h>
|
|
#include <kernel/mboot.h>
|
|
#include <kernel/heap.h>
|
|
#include <kernel/mm.h>
|
|
#include <kernel/time.h>
|
|
|
|
// info.c
|
|
extern void BtDoSanityChecks(uint mbMagic);
|
|
extern void BtInitBootInfo(multiboot_info_t *mbi, void *codeSeg);
|
|
|
|
// io/vga.c
|
|
extern error_t IoInitVGABuffer(void);
|
|
|
|
//io/keyb.c
|
|
extern void IoEnableKeyb(void);
|
|
|
|
// cpu/idt.c
|
|
extern void IdtSetup(void);
|
|
|
|
// ps/proc.c test function
|
|
extern void pstest(void);
|
|
|
|
// interrupts tests
|
|
extern void divideByZero(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 OS/K\n\n", 219, 219, 219); //grrr
|
|
|
|
// Sanity checks
|
|
BtDoSanityChecks(mbMagic);
|
|
|
|
// Memory & scheduler
|
|
MmInitMemoryMap();
|
|
|
|
// Several inits
|
|
MmInitHeap();
|
|
PsInitSched();
|
|
|
|
// Interrupts launching
|
|
IdtSetup();
|
|
KeEnableIRQs();
|
|
// Drivers enabling
|
|
IoEnableRtc();
|
|
IoEnableKeyb();
|
|
|
|
IoPrintRtcTime();
|
|
|
|
KernLog("There was %d ticks\n", IoGetRtcTicks());
|
|
uint i = 0;
|
|
while (1) {
|
|
if (!(i % 2048)) IoPrintRtcTime();
|
|
KePauseCPU();
|
|
i++;
|
|
}
|
|
|
|
//divideByZero();
|
|
|
|
KernLog("Goodbye after %d ticks\n", IoGetRtcTicks());
|
|
// End this machine's suffering
|
|
BFlushBuf(BStdOut);
|
|
KeCrashSystem();
|
|
}
|
|
|
|
void label0(void)
|
|
{
|
|
KernLog("Goodbye after %d ticks\n", IoGetRtcTicks());
|
|
// End this machine's suffering
|
|
BFlushBuf(BStdOut);
|
|
KeCrashSystem();
|
|
}
|