86 lines
2.2 KiB
C
86 lines
2.2 KiB
C
/*----------------*\
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|Nanite OS |
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|Copyright (C) 2025|
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|Tyler McGurrin |
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\*----------------*/
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#include <stdint.h>
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#include <stdio.h>
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#include <memory.h>
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#include <arch/i686/io.h>
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#include <arch/i686/irq.h>
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#include <arch/i686/basicfunc.h>
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#include <dri/keyboard.h>
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#include <dri/cmos.h>
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#include <dri/serial.h>
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#include <dri/fat.h>
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#include <dri/disk/floppy.h>
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#include <dri/disk/ata.h>
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#include <dri/hal/hal.h>
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#include <util/param.h>
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#include <util/util.h>
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#include "../libs/version.h"
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#include "../libs/boot/bootparams.h"
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#define PS2_KEYBOARD_PORT 0x60
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extern uint8_t __bss_start;
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extern uint8_t __end;
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uint16_t DEBUG_COM_PORT = COM1_PORT;
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int uptime;
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void timer(Registers* regs)
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{
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uptime++;
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// printf("%d", uptime);
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// movecursorpos(8,14);
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}
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void __attribute__((section(".entry"))) start(BootParams* bootParams) {
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// print logo
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clrscr();
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printf("%s", LOGO);
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printf("The Nano OS %s\n-------------------------------------\n", VERSION);
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printf("Loaded Kernel!\n");
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// init HAL
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printf("Initializing HAL...\n");
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HAL_Initialize();
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movecursorpos(19, 8);
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printf("Done!\n\n\n\n\n");
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// Register IRQs
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printf("Registering IRQs...");
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IRQ_RegisterHandler(0, timer);
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IRQ_RegisterHandler(1, Keyboard_Handler);
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IRQ_RegisterHandler(4, COM1_Serial_Handler);
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IRQ_RegisterHandler(6, Floppy_Handler);
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IRQ_RegisterHandler(8, CMOS_RTC_Handler);
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printf("Done!\n");
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// Init Drivers
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printf("Initializing Basic Drivers...");
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Serial_Init(DEBUG_COM_PORT, 9600);
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Keyboard_Init();
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// Floppy_Init(); // This should always be last; its slow as fuck
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printf("Done!\n");
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// Debug Info for Memory
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Serial_Printf(DEBUG_COM_PORT, "MEMORY:> Boot Device: %x\n", bootParams->BootDevice);
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Serial_Printf(DEBUG_COM_PORT, "MEMORY:> Region Count: %x\n", bootParams->Memory.RegionCount);
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for (int i = 0; i < bootParams->Memory.RegionCount; i++) {
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Serial_Printf(DEBUG_COM_PORT, "MEMORY:> start=0x%llx length=0x%llx type=0x%x\n",
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bootParams->Memory.Regions[i].Begin, bootParams->Memory.Regions[i].Length, bootParams->Memory.Regions[i].Type);
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}
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end:
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for (;;);
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}
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