WebSVN – Kolibri OS – Blame – /kernel/trunk/bootloader/uefi4kos/uefi32kos.asm

Rev	Author	Line No.	Line
8150	dunkaist	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
		3	;; Copyright (C) KolibriOS team 2020. All rights reserved. ;;
		4	;; Distributed under terms of the GNU General Public License ;;
		5	;; Version 2, or (at your option) any later version. ;;
		6	;; ;;
		7	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		8
		9	format pe efi
		10	entry main
		11
		12	section '.text' code executable readable
		13
		14	include '../../struct.inc'
		15	include '../../macros.inc'
		16	include '../../proc32.inc'
		17	include '../../const.inc'
		18	include 'uefi32.inc'
		19
		20	MEMORY_MAP_SIZE = 0x4000
		21	GOP_BUFFER_SIZE = 0x100
		22	LIP_BUFFER_SIZE = 0x100
		23	FILE_BUFFER_SIZE = 0x1000
		24
		25	KERNEL_BASE = 0x10000
		26	RAMDISK_BASE = 0x100000
		27
		28	CODE_32_SELECTOR = 8
		29	DATA_32_SELECTOR = 16
		30
		31	; linux/arch/x86/include/uapi/asm/e820.h
		32	E820_RAM = 1
		33	E820_RESERVED = 2
		34	E820_ACPI = 3
		35	E820_NVS = 4
		36	E820_UNUSABLE = 5
		37	E820_PMEM = 7
		38
		39	proc load_file stdcall uses ebx esi edi, _root, _name, _buffer, _size, _fatal
		40	mov eax, [_root]
		41	ccall [eax+EFI_FILE_PROTOCOL.Open], eax, file_handle, [_name], \
		42	EFI_FILE_MODE_READ, 0
		43	test eax, eax
		44	jz @f
		45	xor eax, eax
		46	cmp [_fatal], 1
		47	jnz .done
		48	mov ebx, [efi_table]
		49	mov ebx, [ebx+EFI_SYSTEM_TABLE.ConOut]
		50	ccall [ebx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], ebx, \
		51	msg_error_open_file
		52	ccall [ebx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], ebx, \
		53	[_name]
		54	jmp $
		55	@@:
		56	mov eax, [file_handle]
		57	lea ecx, [_size]
		58	ccall [eax+EFI_FILE_PROTOCOL.Read], eax, ecx, [_buffer]
		59	mov eax, [file_handle]
		60	ccall [eax+EFI_FILE_PROTOCOL.Close], eax
		61	mov eax, [_size]
		62	.done:
		63	ret
		64	endp
		65
		66	proc skip_whitespace
		67	.next_char:
		68	cmp byte[esi], 0
		69	jz .done
		70	cmp byte[esi], 0x20 ; ' '
		71	jz .whitespace
		72	cmp byte[esi], 9 ; '\t'
		73	jz .whitespace
		74	jmp .done
		75	.whitespace:
		76	inc esi
		77	jmp .next_char
		78	.done:
		79	ret
		80	endp
		81
		82	proc skip_until_newline
		83	.next_char:
		84	cmp byte[esi], 0
		85	jz .done
		86	cmp byte[esi], 0xd ; '\r'
		87	jz .done
		88	cmp byte[esi], 0xa ; '\n'
		89	jz .done
		90	inc esi
		91	jmp .next_char
		92	.done:
		93	ret
		94	endp
		95
		96	proc skip_newline
		97	.next_char:
		98	cmp byte[esi], 0xd ; '\r'
		99	jz .newline
		100	cmp byte[esi], 0xa ; '\n'
		101	jz .newline
		102	jmp .done
		103	.newline:
		104	inc esi
		105	jmp .next_char
		106	.done:
		107	ret
		108	endp
		109
		110	proc skip_line
		111	call skip_until_newline
		112	call skip_newline
		113	ret
		114	endp
		115
		116	proc dec2bin
		117	mov edx, 0
		118	.next_char:
		119	movzx eax, byte[esi]
		120	test eax, eax
		121	jz .done
		122	sub eax, '0'
		123	jb .done
		124	cmp eax, 9
		125	ja .done
		126	inc esi
		127	imul edx, 10
		128	add edx, eax
		129	jmp .next_char
		130	.done:
		131	mov eax, edx
		132	ret
		133	endp
		134
		135	proc parse_option
		136	mov ebx, config_options-3*4
		137	.try_next_option:
		138	add ebx, 3*4
		139	mov edi, esi
		140	mov edx, [ebx] ; option name
		141	test edx, edx
		142	jz .done
		143	.next_char:
		144	cmp byte[edx], 0
		145	jnz @f
		146	cmp byte[edi], '='
		147	jz .opt_name_ok
		148	@@:
		149	cmp byte[edi], 0
		150	jz .done
		151	movzx eax, byte[edi]
		152	cmp [edx], al
		153	jnz .try_next_option
		154	inc edi
		155	inc edx
		156	jmp .next_char
		157	.opt_name_ok:
		158	inc edi
		159	mov esi, edi
		160	call dword[ebx+4]
		161	.done:
		162	ret
		163	endp
		164
		165	proc parse_line
		166	.next_line:
		167	cmp byte[esi], 0
		168	jz .done
		169	cmp byte[esi], 0xd ; '\r'
		170	jz .skip
		171	cmp byte[esi], 0xa ; '\n'
		172	jz .skip
		173	cmp byte[esi], '#'
		174	jz .skip
		175	call parse_option
		176	call skip_line
		177	jmp .next_line
		178	.skip:
		179	call skip_line
		180	jmp .next_line
		181	.done:
		182	ret
		183	endp
		184
		185	proc cfg_opt_func_resolution
		186	call dec2bin
		187	xor edx, edx
		188	mov [edx+BOOT_LO.x_res], ax
		189	cmp byte[esi], 'x'
		190	jz @f
		191	cmp byte[esi], '*'
		192	jz @f
		193	jmp .done
		194	@@:
		195	inc esi
		196	call dec2bin
		197	xor edx, edx
		198	mov [edx+BOOT_LO.y_res], ax
		199	mov [cfg_opt_used_resolution], 1
		200	.done:
		201	ret
		202	endp
		203
		204	proc cfg_opt_func_acpi
		205	call dec2bin
		206	mov [cfg_opt_used_acpi], 1
		207	mov [cfg_opt_value_acpi], al
		208	ret
		209	endp
		210
		211	proc cfg_opt_func_debug_print
		212	call dec2bin
		213	mov [cfg_opt_used_debug_print], 1
		214	mov [cfg_opt_value_debug_print], al
		215	ret
		216	endp
		217
		218	proc cfg_opt_func_launcher_start
		219	call dec2bin
		220	mov [cfg_opt_used_launcher_start], 1
		221	mov [cfg_opt_value_launcher_start], al
		222	ret
		223	endp
		224
		225	proc cfg_opt_func_mtrr
		226	call dec2bin
		227	mov [cfg_opt_used_mtrr], 1
		228	mov [cfg_opt_value_mtrr], al
		229	ret
		230	endp
		231
		232	proc cfg_opt_func_ask_params
		233	call dec2bin
		234	mov [cfg_opt_used_ask_params], 1
		235	mov [cfg_opt_value_ask_params], al
		236	ret
		237	endp
		238
		239	proc cfg_opt_func_imgfrom
		240	call dec2bin
		241	mov [cfg_opt_used_imgfrom], 1
		242	mov [cfg_opt_value_imgfrom], al
		243	ret
		244	endp
		245
		246	proc cfg_opt_func_syspath
		247	mov edi, cfg_opt_value_syspath
		248	.next_char:
		249	movzx eax, byte[esi]
		250	cmp al, 0xd ; \r
		251	jz .done
		252	cmp al, 0xa ; \n
		253	jz .done
		254	inc esi
		255	stosb
		256	jmp .next_char
		257	.done:
		258	mov byte[edi], 0
		259	ret
		260	endp
		261
		262	proc parse_config stdcall uses ebx esi edi, _buffer
		263	; mov esi, [_buffer]
		264	mov esi, KERNEL_BASE
		265	.next_line:
		266	call parse_line
		267	cmp byte[esi], 0
		268	jnz .next_line
		269	ret
		270	endp
		271
		272	proc read_options_from_config stdcall uses ebx esi edi
		273	mov ebx, [efi_table]
		274	mov ebx, [ebx+EFI_SYSTEM_TABLE.BootServices]
		275	ccall [ebx+EFI_BOOT_SERVICES.HandleProtocol], [efi_handle], \
		276	lipuuid, lip_interface
		277	test eax, eax
		278	jnz .error
		279	mov eax, [lip_interface]
		280
		281	mov ebx, [efi_table]
		282	mov ebx, [ebx+EFI_SYSTEM_TABLE.BootServices]
		283	ccall [ebx+EFI_BOOT_SERVICES.HandleProtocol], \
		284	[eax+EFI_LOADED_IMAGE_PROTOCOL.DeviceHandle], sfspguid, \
		285	sfsp_interface
		286	test eax, eax
		287	jnz .error
		288
		289	mov eax, [sfsp_interface]
		290	ccall [eax+EFI_SIMPLE_FILE_SYSTEM_PROTOCOL.OpenVolume], eax, esp_root
		291	test eax, eax
		292	jnz .error
		293
		294	stdcall load_file, [esp_root], file_name, KERNEL_BASE, \
		295	FILE_BUFFER_SIZE, 0
		296	test eax, eax
		297	jz @f
		298	stdcall parse_config, KERNEL_BASE
		299	@@:
		300	.error:
		301	ret
		302	endp
		303
		304	proc print_vmode uses eax ebx ecx esi edi, _gop_if
		305	mov ebx, [_gop_if]
		306	call clearbuf
		307	mov eax, [ebx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.HorizontalResolution]
		308	mov edi, msg
		309	call num2dec
		310	mov eax, [ebx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.VerticalResolution]
		311	mov edi, msg+8*2
		312	call num2dec
		313
		314	mov eax, [ebx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelFormat]
		315	mov edi, msg+16*2
		316	call num2dec
		317
		318	mov eax, [ebx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelsPerScanLine]
		319	mov edi, msg+24*2
		320	call num2dec
		321	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		322	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, msg
		323	ret
		324	endp
		325
		326	proc find_vmode_index_by_resolution uses ebx esi edi
		327	mov [cfg_opt_value_vmode], 0
		328	.next_mode:
		329	; mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		330	; ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		331	; msg_query_vmode
		332
		333	movzx ecx, [cfg_opt_value_vmode]
		334	mov eax, [gop_interface]
		335	ccall [eax+EFI_GRAPHICS_OUTPUT_PROTOCOL.QueryMode], eax, ecx, \
		336	gop_info_size, gop_info
		337	test eax, eax
		338	jz @f
		339	call clearbuf
		340	mov edi, msg
		341	call num2hex
		342	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		343	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, msg
		344	jmp .skip_mode
		345	@@:
		346	mov ecx, [gop_info]
		347	stdcall print_vmode, ecx
		348	; PixelBlueGreenRedReserved8BitPerColor
		349	cmp [ecx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelFormat], 1
		350	jnz .skip_mode
		351	xor edx, edx
		352	mov eax, [ecx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.HorizontalResolution]
		353	cmp ax, [edx+BOOT_LO.x_res]
		354	jnz .skip_mode
		355	mov eax, [ecx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.VerticalResolution]
		356	cmp ax, [edx+BOOT_LO.y_res]
		357	jnz .skip_mode
		358	jmp .done
		359	.skip_mode:
		360	inc [cfg_opt_value_vmode]
		361	movzx eax, [cfg_opt_value_vmode]
		362	mov ecx, [gop_interface]
		363	mov edx, [ecx+EFI_GRAPHICS_OUTPUT_PROTOCOL.Mode]
		364	cmp eax, [edx+EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.MaxMode]
		365	jnz .next_mode
		366	mov [cfg_opt_used_resolution], 0
		367	mov [cfg_opt_value_ask_params], 1
		368
		369	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		370	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		371	msg_error_no_such_vmode
		372	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		373	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, msg_error
		374	jmp $
		375	.error:
		376	.done:
		377	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		378	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		379	msg_vmode_found
		380	ret
		381	endp
		382
		383	proc ask_for_params
		384	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		385	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		386	msg_ask_for_params
		387	jmp $
		388	.error:
		389	.done:
		390	ret
		391	endp
		392
		393	main:
		394	mov esi, [esp+4]
		395	mov [efi_handle], esi
		396	mov esi, [esp+8]
		397	mov [efi_table], esi
		398
		399	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		400	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.Reset], eax, 1
		401	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		402	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		403	msg_u4k_loaded
		404
		405	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		406	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		407	msg_read_options
		408	call read_options_from_config
		409
		410	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		411	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		412	msg_load_kernel
		413	stdcall load_file, [esp_root], kernel_name, KERNEL_BASE, -1, 1
		414
		415	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		416	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		417	msg_load_ramdisk
		418	stdcall load_file, [esp_root], ramdisk_name, RAMDISK_BASE, -1, 1
		419
		420	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		421	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		422	msg_alloc_devicesdat
		423
		424	mov eax, [esi+EFI_SYSTEM_TABLE.BootServices]
		425	ccall [eax+EFI_BOOT_SERVICES.AllocatePages], \
		426	EFI_ALLOCATE_MAX_ADDRESS, EFI_RESERVED_MEMORY_TYPE, 1, \
		427	devicesdat_data
8220	dunkaist	428	call halt_on_error
8150	dunkaist	429
		430	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		431	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		432	msg_load_devicesdat
		433
		434	ccall load_file, [esp_root], devicesdat_name, [devicesdat_data], \
		435	[devicesdat_size], 0
		436	mov [devicesdat_size], eax
		437
		438	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		439	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		440	msg_locate_gop_handlers
		441
		442	mov eax, [esi+EFI_SYSTEM_TABLE.BootServices]
		443	ccall [eax+EFI_BOOT_SERVICES.LocateHandle], \
		444	EFI_LOCATE_SEARCH_TYPE.ByProtocol, gopuuid, 0, \
		445	gop_buffer_size, gop_buffer
		446	mov [status], eax
		447
		448	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		449	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		450	msg_gop_buffer_size
		451	call clearbuf
		452	mov eax, [gop_buffer_size]
		453	mov edi, msg
		454	call num2hex
		455	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		456	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, msg
		457
		458	mov eax, [status]
8220	dunkaist	459	call halt_on_error
8150	dunkaist	460
		461	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		462	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		463	msg_look_for_gop_handler
		464
		465	mov ebx, gop_buffer
		466	.next_gop_handle:
		467	mov eax, ebx
		468	sub eax, gop_buffer
		469	cmp eax, [gop_buffer_size]
		470	jb @f
		471	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		472	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		473	msg_error_out_of_handlers
		474	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		475	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, msg_error
		476	jmp $
		477	@@:
		478	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		479	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		480	msg_query_handler
		481
		482	mov eax, [esi+EFI_SYSTEM_TABLE.BootServices]
		483	ccall [eax+EFI_BOOT_SERVICES.HandleProtocol], \
		484	[ebx], gopuuid, gop_interface
		485	;mov eax, 0x80000003
		486	test eax, eax
		487	jz @f
		488	call clearbuf
		489	mov edi, msg
		490	call num2hex
		491	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		492	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, msg
		493
		494	add ebx, 4
		495	jmp .next_gop_handle
		496	@@:
		497
8220	dunkaist	498	call find_rsdp
8150	dunkaist	499
		500	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		501	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		502	msg_acpi_tables_done
		503
		504	cmp [cfg_opt_used_resolution], 0
		505	jz .not_used_resolution
		506	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		507	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		508	msg_opt_resolution
		509	call clearbuf
		510	xor edx, edx
		511	movzx eax, [edx+BOOT_LO.x_res]
		512	mov edi, msg
		513	call num2dec
		514	xor edx, edx
		515	movzx eax, [edx+BOOT_LO.y_res]
		516	mov edi, msg+8*2
		517	call num2dec
		518	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		519	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, msg
		520
		521	call find_vmode_index_by_resolution
		522	.not_used_resolution:
		523	cmp [cfg_opt_used_debug_print], 0
		524	jz .not_used_debug_print
		525	movzx eax, [cfg_opt_value_debug_print]
		526	xor edx, edx
		527	mov [edx+BOOT_LO.debug_print], al
		528	.not_used_debug_print:
		529
		530	cmp [cfg_opt_value_ask_params], 0
		531	jz @f
		532	call ask_for_params
		533	@@:
		534
		535	movzx ecx, [cfg_opt_value_vmode]
		536	mov eax, [gop_interface]
		537	ccall [eax+EFI_GRAPHICS_OUTPUT_PROTOCOL.SetMode], eax, ecx
8220	dunkaist	538	call halt_on_error
8150	dunkaist	539
		540	mov ecx, [gop_interface]
		541	mov edx, [ecx+EFI_GRAPHICS_OUTPUT_PROTOCOL.Mode]
		542	mov edi, [edx+EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.FrameBufferBase.lo]
		543	mov [fb_base], edi
		544
		545
		546	mov ebx, [edx+EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.Mode]
		547	mov eax, [gop_interface]
		548	ccall [eax+EFI_GRAPHICS_OUTPUT_PROTOCOL.QueryMode], eax, ebx, \
		549	gop_info_size, gop_info
		550	test eax, eax
		551	jnz .error
		552	mov ecx, [gop_info]
		553	mov eax, [ecx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.HorizontalResolution]
		554	xor edx, edx
		555	mov [edx+BOOT_LO.x_res], ax
		556	mov eax, [ecx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.VerticalResolution]
		557	mov [edx+BOOT_LO.y_res], ax
		558	mov eax, [ecx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelsPerScanLine]
		559	shl eax, 2
		560	mov [edx+BOOT_LO.pitch], ax
		561
		562	mov byte[edx+BOOT_LO.pci_data+0], 1 ; PCI access mechanism
		563	mov byte[edx+BOOT_LO.pci_data+1], 8 ; last bus, don't know how to count them
		564	mov byte[edx+BOOT_LO.pci_data+2], 0x10 ; PCI version
		565	mov byte[edx+BOOT_LO.pci_data+3], 0x02
		566	mov dword[edx+BOOT_LO.pci_data+4], 0xe3
		567
		568	; kernel
		569	; eficall BootServices, AllocatePages, EFI_RESERVED_MEMORY_TYPE, \
		570	; 450000/0x1000, EFI_ALLOCATE_ADDRESS
		571
		572	; ramdisk
		573	; eficall BootServices, AllocatePages, EFI_RESERVED_MEMORY_TYPE, \
		574	; 2880*512/0x1000, EFI_ALLOCATE_ADDRESS
		575
8220	dunkaist	576	call calc_memmap
		577	; call dump_memmap
		578
8150	dunkaist	579	mov eax, [efi_table]
		580	mov eax, [eax+EFI_SYSTEM_TABLE.BootServices]
		581	ccall [eax+EFI_BOOT_SERVICES.ExitBootServices], [efi_handle], \
		582	[memory_map_key]
8220	dunkaist	583	call halt_on_error
8150	dunkaist	584
		585	cli
		586
		587	xor edx, edx
		588	xor esi, esi
		589	mov [esi+BOOT_LO.bpp], 32
		590	mov [esi+BOOT_LO.vesa_mode], dx
		591	mov [esi+BOOT_LO.bank_switch], edx
		592	mov edi, [fb_base]
		593	mov [esi+BOOT_LO.lfb], edi
		594
		595	movzx eax, [cfg_opt_value_mtrr]
		596	mov [esi+BOOT_LO.mtrr], al
		597
		598	movzx eax, [cfg_opt_value_launcher_start]
		599	mov [esi+BOOT_LO.launcher_start], al
		600
		601	movzx eax, [cfg_opt_value_debug_print]
		602	mov [esi+BOOT_LO.debug_print], al
		603
		604	mov [esi+BOOT_LO.dma], dl
		605	; mov qword[esi+BOOT_LO.pci_data], 0
		606	mov [esi+BOOT_LO.apm_entry], edx
		607	mov [esi+BOOT_LO.apm_version], dx
		608	mov [esi+BOOT_LO.apm_flags], dx
		609	mov [esi+BOOT_LO.apm_code_32], dx
		610	mov [esi+BOOT_LO.apm_code_16], dx
		611	mov [esi+BOOT_LO.apm_data_16], dx
		612	mov [esi+BOOT_LO.bios_hd_cnt], dl
		613
		614	movzx eax, [cfg_opt_value_imgfrom]
		615	mov [esi+BOOT_LO.rd_load_from], al
		616
		617	mov eax, dword[devicesdat_size]
		618	mov [edx+BOOT_LO.devicesdat_size], eax
		619	mov eax, dword[devicesdat_data]
		620	mov [edx+BOOT_LO.devicesdat_data], eax
		621
		622	mov esi, cfg_opt_value_syspath
		623	mov edi, BOOT_LO.syspath
		624	mov ecx, 0x17
		625	rep movsb
		626
		627	lgdt [cs:GDTR]
		628
		629	mov ax, DATA_32_SELECTOR
		630	mov ds, ax
		631	mov es, ax
		632	mov fs, ax
		633	mov gs, ax
		634	mov ss, ax
		635
		636	push CODE_32_SELECTOR
		637	lea eax, [.next]
		638	push eax
		639	retf
		640
		641	.next:
		642	mov eax, cr0
		643	and eax, not CR0_PG
		644	mov cr0, eax
		645
		646	mov eax, cr4
		647	and eax, not CR4_PAE
		648	mov cr4, eax
		649
		650	push KERNEL_BASE
		651	retn
		652
		653	.error:
		654	mov esi, [efi_table]
		655	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		656	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		657	msg_error
		658	jmp $
		659
8220	dunkaist	660	halt_on_error:
		661	test eax, eax
		662	jz @f
		663	call clearbuf
		664	mov edi, msg
		665	call num2hex
		666	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		667	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		668	msg_error
		669	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		670	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, msg
		671	jmp $
		672	@@:
		673	ret
		674
		675	proc find_rsdp
		676	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		677	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		678	msg_look_for_rsdp
		679
		680	mov edi, [esi+EFI_SYSTEM_TABLE.ConfigurationTable]
		681	mov ecx, [esi+EFI_SYSTEM_TABLE.NumberOfTableEntries]
		682	.next_table:
		683	dec ecx
		684	js .all_tables_done
		685	; EFI_ACPI_TABLE_GUID
		686	cmp dword[edi+EFI_CONFIGURATION_TABLE.VendorGUID+0x0], 0x8868e871
		687	jnz .not_acpi20
		688	cmp dword[edi+EFI_CONFIGURATION_TABLE.VendorGUID+0x4], 0x11d3e4f1
		689	jnz .not_acpi20
		690	cmp dword[edi+EFI_CONFIGURATION_TABLE.VendorGUID+0x8], 0x800022bc
		691	jnz .not_acpi20
		692	cmp dword[edi+EFI_CONFIGURATION_TABLE.VendorGUID+0xc], 0x81883cc7
		693	jnz .not_acpi20
		694	mov eax, [edi+EFI_CONFIGURATION_TABLE.VendorTable]
		695	mov edx, BOOT_LO.acpi_rsdp
		696	mov [edx], eax
		697	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		698	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		699	msg_rsdp_found
		700	jmp .all_tables_done
		701	.not_acpi20:
		702	add edi, sizeof.EFI_CONFIGURATION_TABLE
		703	jmp .next_table
		704	.all_tables_done:
		705	ret
		706	endp
		707
		708	proc calc_memmap
		709	mov eax, [esi+EFI_SYSTEM_TABLE.BootServices]
		710	ccall [eax+EFI_BOOT_SERVICES.AllocatePages], EFI_ALLOCATE_ANY_PAGES, \
		711	EFI_RESERVED_MEMORY_TYPE, MEMORY_MAP_SIZE/0x1000, memory_map
		712	call halt_on_error
		713
		714	mov eax, [esi+EFI_SYSTEM_TABLE.BootServices]
		715	ccall [eax+EFI_BOOT_SERVICES.GetMemoryMap], memory_map_size, \
		716	[memory_map], memory_map_key, descriptor_size, descriptor_ver
		717	call halt_on_error
		718
		719	push esi
		720	mov edi, BOOT_LO.memmap_blocks
		721	mov dword[edi-4], 0 ; memmap_block_cnt
		722	mov esi, [memory_map]
		723	mov ebx, esi
		724	add ebx, [memory_map_size]
		725	.next_descr:
		726	call add_uefi_memmap
		727	add esi, [descriptor_size]
		728	cmp esi, ebx
		729	jb .next_descr
		730	pop esi
		731	ret
		732	endp
		733
8150	dunkaist	734	; linux/arch/x86/platform/efi/efi.c
		735	; do_add_efi_memmap
		736	proc add_uefi_memmap
8220	dunkaist	737	cmp [BOOT_LO.memmap_block_cnt], MAX_MEMMAP_BLOCKS
		738	jz .done
8150	dunkaist	739
8220	dunkaist	740	mov eax, [esi+EFI_MEMORY_DESCRIPTOR.PhysicalStart.lo]
		741	mov edx, [esi+EFI_MEMORY_DESCRIPTOR.PhysicalStart.hi]
		742	mov [edi+e820entry.addr.lo], eax
		743	mov [edi+e820entry.addr.hi], edx
8150	dunkaist	744
8220	dunkaist	745	mov eax, [esi+EFI_MEMORY_DESCRIPTOR.NumberOfPages.lo]
		746	mov edx, [esi+EFI_MEMORY_DESCRIPTOR.NumberOfPages.hi]
		747	shld edx, eax, 12
8150	dunkaist	748	shl eax, 12
8220	dunkaist	749	mov [edi+e820entry.size.lo], eax
		750	mov [edi+e820entry.size.hi], edx
8150	dunkaist	751
8220	dunkaist	752	mov ecx, [esi+EFI_MEMORY_DESCRIPTOR.Type]
		753	cmp ecx, EFI_LOADER_CODE
		754	jz .mem_ram_if_wb
		755	cmp ecx, EFI_LOADER_DATA
		756	jz .mem_ram_if_wb
		757	cmp ecx, EFI_BOOT_SERVICES_CODE
		758	jz .mem_ram_if_wb
		759	cmp ecx, EFI_BOOT_SERVICES_DATA
		760	jz .mem_ram_if_wb
		761	cmp ecx, EFI_CONVENTIONAL_MEMORY
		762	jz .mem_ram_if_wb
		763	cmp ecx, EFI_ACPI_RECLAIM_MEMORY
8150	dunkaist	764	mov eax, E820_ACPI
8220	dunkaist	765	jz .type_done
		766	cmp ecx, EFI_ACPI_MEMORY_NVS
8150	dunkaist	767	mov eax, E820_NVS
8220	dunkaist	768	jz .type_done
		769	cmp ecx, EFI_UNUSABLE_MEMORY
8150	dunkaist	770	mov eax, E820_UNUSABLE
8220	dunkaist	771	jz .type_done
		772	cmp ecx, EFI_PERSISTENT_MEMORY
8150	dunkaist	773	mov eax, E820_PMEM
8220	dunkaist	774	jz .type_done
		775	jmp .reserved
		776	.mem_ram_if_wb:
		777	test [esi+EFI_MEMORY_DESCRIPTOR.Attribute.lo], EFI_MEMORY_WB
		778	mov eax, E820_RAM
		779	jnz .type_done
		780	.reserved:
8150	dunkaist	781	mov eax, E820_RESERVED
8220	dunkaist	782	.type_done:
		783	mov [edi+e820entry.type], eax
		784	cmp eax, E820_RAM
		785	jnz @f
		786	inc [BOOT_LO.memmap_block_cnt]
		787	add edi, sizeof.e820entry
		788	@@:
8150	dunkaist	789	.done:
		790	ret
		791	endp
		792
		793
		794	proc num2dec
		795	pushad
		796
		797	xor ecx, ecx
		798	mov ebx, 10
		799	.next_digit:
		800	xor edx, edx
		801	div ebx
		802	push edx
		803	inc ecx
		804	test eax, eax
		805	jnz .next_digit
		806
		807	.next_char:
		808	pop eax
		809	add eax, '0'
		810	stosw
		811	loop .next_char
		812
		813	popad
		814	ret
		815	endp
		816
		817
		818	proc num2hex
		819	pushad
		820
		821	xchg edx, eax
		822	mov ecx, 8
		823	.next_tetra:
		824	rol edx, 4
		825	movzx eax, dl
		826	and eax, 0x0f
		827	movzx eax, byte[hex+eax]
		828	stosw
		829	loop .next_tetra
		830
		831	popad
		832	ret
		833	endp
		834
		835
		836	hex db '0123456789ABCDEF'
		837
		838	proc clearbuf
		839	pushad
		840	mov eax, 0x0020
		841	mov ecx, 79
		842	mov edi, msg
		843	rep stosw
		844	popad
		845	ret
		846	endp
		847
		848	section '.data' data readable writeable
		849	efi_handle dd 0
		850	efi_table dd 0
		851
		852	GDTR:
		853	dw 3*8-1
		854	dq GDT
		855	GDT:
		856	dw 0, 0, 0, 0
		857	dw 0FFFFh,0,9A00h,0CFh ; 32-bit code
		858	dw 0FFFFh,0,9200h,0CFh ; flat data
		859
		860
		861	fb_base dd 0
		862
		863	gopuuid db EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID
		864	gop_buffer_size dd GOP_BUFFER_SIZE
		865	gop_handle dd 0
		866	gop_interface dd 0
		867	gop_info_size dd 0
		868	gop_info dd 0
		869
		870	lipuuid db EFI_LOADED_IMAGE_PROTOCOL_GUID
		871	lip_buffer_size dd LIP_BUFFER_SIZE
		872	lip_handle dd 0
		873	lip_interface dd 0
		874
		875	sfspguid db EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID
		876	sfsp_interface dd 0
		877
		878	esp_root dd ?
		879	file_handle dd ?
		880	file_name du "\EFI\KOLIBRIOS\KOLIBRI.INI",0
		881	kernel_name du "\EFI\KOLIBRIOS\KOLIBRI.KRN",0
		882	ramdisk_name du "\EFI\KOLIBRIOS\KOLIBRI.IMG",0
		883	devicesdat_name du "\EFI\KOLIBRIOS\DEVICES.DAT",0
		884	file_buffer_size dd FILE_BUFFER_SIZE-1 ; leave the last byte for \0
		885
		886	config_options dd cfg_opt_name_resolution, cfg_opt_func_resolution, \
		887	cfg_opt_cmnt_resolution, \
		888	cfg_opt_name_acpi, cfg_opt_func_acpi, cfg_opt_cmnt_acpi, \
		889	cfg_opt_name_debug_print, cfg_opt_func_debug_print, \
		890	cfg_opt_cmnt_debug_print, \
		891	cfg_opt_name_launcher_start, cfg_opt_func_launcher_start, \
		892	cfg_opt_cmnt_launcher_start, \
		893	cfg_opt_name_mtrr, cfg_opt_func_mtrr, cfg_opt_cmnt_mtrr, \
		894	cfg_opt_name_ask_params, cfg_opt_func_ask_params, \
		895	cfg_opt_cmnt_ask_params, \
		896	cfg_opt_name_imgfrom, cfg_opt_func_imgfrom, \
		897	cfg_opt_cmnt_imgfrom, \
		898	cfg_opt_name_syspath, cfg_opt_func_syspath, \
		899	cfg_opt_cmnt_syspath, \
		900
		901
		902	cfg_opt_name_resolution db "resolution",0
		903	cfg_opt_name_acpi db "acpi",0
		904	cfg_opt_name_debug_print db "debug_print",0
		905	cfg_opt_name_launcher_start db "launcher_start",0
		906	cfg_opt_name_mtrr db "mtrr",0
		907	cfg_opt_name_ask_params db "ask_params",0
		908	cfg_opt_name_imgfrom db "imgfrom",0
		909	cfg_opt_name_syspath db "syspath",0
		910
		911	cfg_opt_cmnt_resolution db "# Graphic mode",0
		912	cfg_opt_cmnt_acpi db "# ACPI settings",0xa, \
		913	"# 0: don't use",0xa, \
		914	"# 1: parse ACPI tables",0xa, \
		915	"# 2: + call _PIC method",0xa, \
		916	"# 3: + get APIC interrupts",0xa,0
		917	cfg_opt_cmnt_debug_print db "# Duplicate debug output to the screen",0
		918	cfg_opt_cmnt_launcher_start db "# Start LAUNCHER app after kernel is loaded",0
		919	cfg_opt_cmnt_mtrr db "# Configure MTRR's",0
		920	cfg_opt_cmnt_ask_params db "# Interrupt booting to ask the user for boot", \
		921	" params",0
		922	cfg_opt_cmnt_imgfrom db "# Where to load ramdisk image from",0
		923	cfg_opt_cmnt_syspath db "# Path to /sys directory",0
		924
		925	cfg_opt_used_resolution db 0
		926	cfg_opt_used_acpi db 0
		927	cfg_opt_used_debug_print db 0
		928	cfg_opt_used_launcher_start db 0
		929	cfg_opt_used_mtrr db 0
		930	cfg_opt_used_ask_params db 0
		931	cfg_opt_used_imgfrom db 0
		932	cfg_opt_used_syspath db 0
		933
		934	cfg_opt_value_vmode db 0
		935	cfg_opt_value_acpi db 0
		936	cfg_opt_value_debug_print db 0
		937	cfg_opt_value_launcher_start db 1
		938	cfg_opt_value_mtrr db 0
		939	cfg_opt_value_ask_params db 0
		940	cfg_opt_value_imgfrom db RD_LOAD_FROM_MEMORY
		941	cfg_opt_value_syspath db "/RD/1",0
		942	rb 20
		943
		944	memory_map_key dd 0
		945	descriptor_size dd 0
		946	descriptor_ver dd 0
		947	memory_map_size dd MEMORY_MAP_SIZE
		948
		949	msg_u4k_loaded du "uefi32kos loaded",13,10,0
		950	msg_read_options du "Read options from config file",13,10,0
		951	msg_load_kernel du "Load kernel",13,10,0
		952	msg_load_ramdisk du "Load ramdisk",13,10,0
		953	msg_load_devicesdat du "Load DEVICES.DAT",13,10,0
		954	msg_alloc_devicesdat du "Allocate memory for DEVICES.DAT",13,10,0
		955	msg_locate_gop_handlers du "Locate GOP handlers",13,10,0
		956	msg_look_for_gop_handler du "Look for GOP handler",13,10,0
		957	msg_query_handler du "Query handler",13,10,0
		958	msg_query_vmode du "Query vmode",13,10,0
		959	msg_vmode_found du "Video mode found",13,10,0
		960	msg_look_for_rsdp du "Look for RSDP",13,10,0
		961	msg_rsdp_found du "RSDP found",13,10,0
		962	msg_acpi_tables_done du "ACPI tables done",13,10,0
		963	msg_ask_for_params du "Ask for params",13,10,0
		964	msg_set_graphic_mode du "Set graphic mode",13,10,0
		965	msg_success du "Success!",13,10,0
		966	msg_gop_buffer_size du "GOP buffer size",13,10,0
		967	msg_opt_resolution du "option resolution: ",0
		968	msg_error du "Error!",13,10,0
		969	msg_error_no_such_vmode du "No such vmode",13,10,0
		970	msg_error_out_of_handlers du "Out of handlers",13,10,0
		971	msg_error_open_file du "Error: can't open file ",0
		972	msg du 79 dup " ",13,10,0
		973
		974	efi_fs_info_id db EFI_FILE_SYSTEM_INFO_ID
		975	efi_fs_info_size dq sizeof.EFI_FILE_SYSTEM_INFO
		976	efi_fs_info EFI_FILE_SYSTEM_INFO
		977
		978	memory_map dd ?
		979	gop_buffer rd GOP_BUFFER_SIZE/4
		980	devicesdat_data dd 0xffffffff
		981	devicesdat_size dd 0x1000
		982	status dd ?
		983
		984	section '.reloc' fixups data discardable

Subversion Repositories Kolibri OS

(root)/kernel/trunk/bootloader/uefi4kos/uefi32kos.asm – Rev 8220