WebSVN – Kolibri OS – Blame – /kernel/trunk/drivers/sceletone.asm

Rev	Author	Line No.	Line
214	serge	1
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		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
227	serge	28
214	serge	29
		30	extrn SysMsgBoardStr
		31	extrn PciApi
		32	extrn PciRead32
		33	extrn PciRead8
		34	extrn PciWrite8
		35	extrn AllocKernelSpace
		36	extrn KernelAlloc
		37	extrn MapPage
		38	extrn GetPgAddr
		39	extrn RegService
		40	extrn ServiceHandler
		41	extrn SetHwCursor
		42	extrn LFBAddress
		43	extrn LoadFile
		44	extrn FpuSave
		45	extrn FpuRestore
		46
		47
		48
		49
		50	DRV_EXIT equ -1
		51	STRIDE equ 4 ;size of row in devices table
		52
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		57
227	serge	58	jne .exit
		59	.entry:
214	serge	60
227	serge	61
214	serge	62	mov esi, msgInit
		63	call SysMsgBoardStr
		64	end if
		65
		66
		67	ret
		68	.fail:
		69	.exit:
		70	xor eax, eax
		71	ret
		72	endp
		73
		74
		75	io_code equ IOCTL.io_code
		76	input equ IOCTL.input
		77	inp_size equ IOCTL.inp_size
		78	output equ IOCTL.output
		79	out_size equ IOCTL.out_size
		80
		81
		82	proc service_proc stdcall, ioctl:dword
		83
		84
		85	; mov eax, [edi+io_code]
		86
		87
		88	ret
		89	endp
		90
		91
		92	restore io_code
		93	restore input
		94	restore inp_size
		95	restore output
		96	restore out_size
		97
		98
		99	proc detect
		100	locals
		101	last_bus dd ?
		102	endl
		103
		104
		105	mov [bus], eax
		106	inc eax
		107	call PciApi
		108	cmp eax, -1
		109	je .err
		110
		111
		112
		113
		114	and [devfn], 0
		115	.next_dev:
		116	stdcall PciRead32, [bus], [devfn], dword 0
		117	test eax, eax
		118	jz .next
		119	cmp eax, -1
		120	je .next
		121
		122
		123	@@:
		124	mov ebx, [edi]
		125	test ebx, ebx
		126	jz .next
		127
		128
		129	je .found
		130	add edi, STRIDE
		131	jmp @B
		132
		133
		134	cmp [devfn], 256
		135	jb .next_dev
		136	mov eax, [bus]
		137	inc eax
		138	mov [bus], eax
		139	cmp eax, [last_bus]
		140	jna .next_bus
		141	xor eax, eax
		142	ret
		143	.found:
		144	xor eax, eax
		145	inc eax
		146	ret
		147	.err:
		148	xor eax, eax
		149	ret
		150	endp
		151
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		153
		154	;VENDOR_ID equ ; device vendor id
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		160	devices dd (DEVICE_ID shl 16)+VENDOR_ID
		161	dd 0 ;terminator
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227	serge	164
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214	serge	166
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		168	msgPCI db 'PCI accsess not supported',13,10,0
		169	msgFail db 'device not found',13,10,0
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(root)/kernel/trunk/drivers/sceletone.asm – Rev 227