85 lines
2.2 KiB
ObjectPascal
85 lines
2.2 KiB
ObjectPascal
unit kernel;
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interface
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uses
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multiboot,
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util,
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gdt,
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idt,
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isr,
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irq,
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isr32,
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console,
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bios_data_area,
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keyboard;
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procedure kmain(mbinfo: Pmultiboot_info_t; mbmagic: uint32); stdcall;
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implementation
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procedure kmain(mbinfo: Pmultiboot_info_t; mbmagic: uint32); stdcall; [public, alias: 'kmain'];
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var
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c : uint8;
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mbi : Pmultiboot_info_t;
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mbm : uint32;
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z : uint32;
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dds : uint32;
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begin
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mbi:= mbinfo;
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mbm:= mbmagic;
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console.init();
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console.writestringln('Booting Asuro...');
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if (mbm <> MULTIBOOT_BOOTLOADER_MAGIC) then begin
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console.setdefaultattribute(console.combinecolors(Red, Black));
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console.writestringln('Multiboot Compliant Boot-Loader Needed!');
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console.writestringln('HALTING');
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util.halt_and_catch_fire;
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end;
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gdt.init();
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idt.init();
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isr.init();
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irq.init();
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STI;
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isr32.hook(uint32(@bios_data_area.tick_update));
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//drivers
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keyboard.init();
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asm
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MOV dds, CS
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end;
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if dds = $08 then begin
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console.setdefaultattribute(console.combinecolors(Green, Black));
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console.writestringln('GDT: LOAD SUCCESS.');
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end else begin
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console.setdefaultattribute(console.combinecolors(Red, Black));
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console.writestringln('GDT: LOAD FAIL.');
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end;
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console.writestringln('');
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console.setdefaultattribute(console.combinecolors(Green, Black));
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console.writestringln('Asuro Booted Correctly!');
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console.writestringln('');
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console.setdefaultattribute(console.combinecolors(White, Black));
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console.writestring('Lower Memory = ');
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console.writeint(mbinfo^.mem_lower);
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console.writestringln('KB');
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console.writestring('Higher Memory = ');
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console.writeint(mbinfo^.mem_upper);
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console.writestringln('KB');
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console.writestring('Total Memory = ');
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console.writeint(((mbinfo^.mem_upper + 1000) div 1024) + 1);
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console.writestringln('MB');
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console.setdefaultattribute(console.combinecolors(lYellow, Black));
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util.halt_and_dont_catch_fire;
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end;
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end.
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