WebSVN – Kolibri OS – Blame – /kernel/branches/gfx_kernel/drivers/sceletone.asm

Rev	Author	Line No.	Line
384	mikedld	1
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		6	include 'imports.inc'
		7
		8
		9	new_app_base equ 0x60400000
		10	PROC_BASE equ OS_BASE+0x0080000
		11
		12
		13	{ .handle dd ?
		14	.io_code dd ?
		15	.input dd ?
		16	.inp_size dd ?
		17	.output dd ?
		18	.out_size dd ?
		19	}
		20
		21
		22	IOCTL IOCTL
		23	end virtual
		24
		25
		26	public service_proc
		27	public version
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		30
		31
		32	DRV_EXIT equ -1
		33	STRIDE equ 4 ;size of row in devices table
		34
		35
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		38
		39
		40	jne .exit
		41	.entry:
		42
		43
		44	mov esi, msgInit
		45	call SysMsgBoardStr
		46	end if
		47
		48
		49	ret
		50	.fail:
		51	.exit:
		52	xor eax, eax
		53	ret
		54	endp
		55
		56
		57	io_code equ IOCTL.io_code
		58	input equ IOCTL.input
		59	inp_size equ IOCTL.inp_size
		60	output equ IOCTL.output
		61	out_size equ IOCTL.out_size
		62
		63
		64	proc service_proc stdcall, ioctl:dword
		65
		66
		67	; mov eax, [edi+io_code]
		68
		69
		70	ret
		71	endp
		72
		73
		74	restore io_code
		75	restore input
		76	restore inp_size
		77	restore output
		78	restore out_size
		79
		80
		81	proc detect
		82	locals
		83	last_bus dd ?
		84	endl
		85
		86
		87	mov [bus], eax
		88	inc eax
		89	call PciApi
		90	cmp eax, -1
		91	je .err
		92
		93
		94
		95
		96	and [devfn], 0
		97	.next_dev:
		98	stdcall PciRead32, [bus], [devfn], dword 0
		99	test eax, eax
		100	jz .next
		101	cmp eax, -1
		102	je .next
		103
		104
		105	@@:
		106	mov ebx, [edi]
		107	test ebx, ebx
		108	jz .next
		109
		110
		111	je .found
		112	add edi, STRIDE
		113	jmp @B
		114
		115
		116	cmp [devfn], 256
		117	jb .next_dev
		118	mov eax, [bus]
		119	inc eax
		120	mov [bus], eax
		121	cmp eax, [last_bus]
		122	jna .next_bus
		123	xor eax, eax
		124	ret
		125	.found:
		126	xor eax, eax
		127	inc eax
		128	ret
		129	.err:
		130	xor eax, eax
		131	ret
		132	endp
		133
		134
		135
		136	;VENDOR_ID equ ; device vendor id
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		141
		142	devices dd (DEVICE_ID shl 16)+VENDOR_ID
		143	dd 0 ;terminator
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		149
		150	msgPCI db 'PCI accsess not supported',13,10,0
		151	msgFail db 'device not found',13,10,0
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(root)/kernel/branches/gfx_kernel/drivers/sceletone.asm – Rev 384