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Booting from 0000:7c00
00015496180e[CPU0  ] interrupt(): gate descriptor is not valid sys seg (vector=0x12)
00015496180e[CPU0  ] interrupt(): gate descriptor is not valid sys seg (vector=0x0d)
00015496180e[CPU0  ] interrupt(): gate descriptor is not valid sys seg (vector=0x08)
00015496180i[CPU0  ] CPU is in protected mode (active)
00015496180i[CPU0  ] CS.mode = 32 bit
00015496180i[CPU0  ] SS.mode = 32 bit
00015496180i[CPU0  ] EFER   = 0x00000000
00015496180i[CPU0  ] | EAX=00008e00  EBX=000003fc  ECX=00090000  EDX=00000000
00015496180i[CPU0  ] | ESP=00007bff  EBP=00000000  ESI=000e055d  EDI=0000ffac
00015496180i[CPU0  ] | IOPL=0 id vip vif ac vm RF nt of df if tf sf zf af pf cf
00015496180i[CPU0  ] | SEG sltr(index|ti|rpl)     base    limit G D
00015496180i[CPU0  ] |  CS:0008( 0001| 0|  0) 00000000 000fffff 0 1
00015496180i[CPU0  ] |  DS:0010( 0002| 0|  0) 00000000 000fffff 0 1
00015496180i[CPU0  ] |  SS:0010( 0002| 0|  0) 00000000 000fffff 0 1
00015496180i[CPU0  ] |  ES:0010( 0002| 0|  0) 00000000 000fffff 0 1
00015496180i[CPU0  ] |  FS:0010( 0002| 0|  0) 00000000 000fffff 0 1
00015496180i[CPU0  ] |  GS:0010( 0002| 0|  0) 00000000 000fffff 0 1
00015496180i[CPU0  ] | EIP=00007e2f (00007e2f)
00015496180i[CPU0  ] | CR0=0x60000011 CR2=0x00000000
00015496180i[CPU0  ] | CR3=0x00000000 CR4=0x00000000
00015496180i[CPU0  ] 0x0000000000007e2f>> int 0x12 : CD12
00015496180e[CPU0  ] exception(): 3rd (13) exception with no resolution, shutdown status is 00h, resetting
00015496180i[SYS   ] bx_pc_system_c::Reset(HARDWARE) called
00015496180i[CPU0  ] cpu hardware reset

Code: Select all

bits 32
org 0x7e00
%include "preproc.asm"

mov dword[MMNGR_TableBegin],0x7c00
mov dword[MMNGR_MinVal],0x100000
mov dword[MMNGR_MaxEntries],0x100

mov al,0x0c
call SetColor
call ClrScr

call IDT_Init
int 0x12

cli
hlt
%include "print32.asm"
%include "MMNGR.asm"
%include "IDT.asm"

Code: Select all

%ifndef IDT_asm
%define IDT_asm
%include "preproc.asm"

bits 32

struc IDT_interrupt
	.baseLow resw 1
	.selector resw 1
	.reserved resb 1
	.flags resb 1
	.baseHi resw 1
endstruc

%define IDT_IDTBegin 0x7400

IDT_IDTPTR:
	.limit dw 0x800
	.base  dd IDT_IDTBegin

IDT_InvalidInt:
	call ClrScr
	ldstr ebx,"Invalid Interrupt Call"
	call Puts
	jmp $
	
IDT_SetInt:
	push eax
	push ebx
	push ecx
	lea eax,[ebx*8+IDT_IDTBegin]
	mov word[eax],cx
	inc eax
	inc eax
	mov word[eax],0x8
	inc eax
	mov byte[eax],0
	inc eax
	mov byte[eax],010001110b
	inc eax
	shr ecx,16
	mov word[eax],cx
	pop ecx
	pop ebx
	pop eax
	ret
	
IDT_Init:
	push ebx
	push ecx
	xor ebx,ebx
	mov ecx,IDT_InvalidInt
	_loop:
		call IDT_SetInt
		inc ebx
		cmp ebx,0x100
		jl _loop
	lidt [IDT_IDTPTR]
	pop ecx
	pop ebx
	ret

	
%include "print32.asm"

%endif