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

Rev	Author	Line No.	Line
8150	dunkaist	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
9227	dunkaist	3	;; Copyright (C) KolibriOS team 2020-2021. All rights reserved. ;;
8150	dunkaist	4	;; Distributed under terms of the GNU General Public License ;;
		5	;; Version 2, or (at your option) any later version. ;;
		6	;; ;;
9227	dunkaist	7	;; Written by Ivan Baravy ;;
		8	;; ;;
8150	dunkaist	9	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		10
		11	format pe efi
		12	entry main
		13
		14	section '.text' code executable readable
		15
		16	include '../../struct.inc'
		17	include '../../macros.inc'
		18	include '../../proc32.inc'
		19	include '../../const.inc'
		20	include 'uefi32.inc'
		21
		22	MEMORY_MAP_SIZE = 0x4000
		23	GOP_BUFFER_SIZE = 0x100
		24	LIP_BUFFER_SIZE = 0x100
		25	FILE_BUFFER_SIZE = 0x1000
		26
		27	KERNEL_BASE = 0x10000
		28	RAMDISK_BASE = 0x100000
8284	dunkaist	29	MAX_FILE_SIZE = 0x10000000
8150	dunkaist	30
		31	CODE_32_SELECTOR = 8
		32	DATA_32_SELECTOR = 16
		33
		34	; linux/arch/x86/include/uapi/asm/e820.h
		35	E820_RAM = 1
		36	E820_RESERVED = 2
		37	E820_ACPI = 3
		38	E820_NVS = 4
		39	E820_UNUSABLE = 5
		40	E820_PMEM = 7
		41
		42	proc load_file stdcall uses ebx esi edi, _root, _name, _buffer, _size, _fatal
		43	mov eax, [_root]
		44	ccall [eax+EFI_FILE_PROTOCOL.Open], eax, file_handle, [_name], \
		45	EFI_FILE_MODE_READ, 0
		46	test eax, eax
		47	jz @f
		48	xor eax, eax
		49	cmp [_fatal], 1
		50	jnz .done
		51	mov ebx, [efi_table]
		52	mov ebx, [ebx+EFI_SYSTEM_TABLE.ConOut]
		53	ccall [ebx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], ebx, \
		54	msg_error_open_file
		55	ccall [ebx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], ebx, \
		56	[_name]
		57	jmp $
		58	@@:
		59	mov eax, [file_handle]
		60	lea ecx, [_size]
		61	ccall [eax+EFI_FILE_PROTOCOL.Read], eax, ecx, [_buffer]
		62	mov eax, [file_handle]
		63	ccall [eax+EFI_FILE_PROTOCOL.Close], eax
		64	mov eax, [_size]
		65	.done:
		66	ret
		67	endp
		68
		69	proc skip_whitespace
		70	.next_char:
		71	cmp byte[esi], 0
		72	jz .done
		73	cmp byte[esi], 0x20 ; ' '
		74	jz .whitespace
		75	cmp byte[esi], 9 ; '\t'
		76	jz .whitespace
		77	jmp .done
		78	.whitespace:
		79	inc esi
		80	jmp .next_char
		81	.done:
		82	ret
		83	endp
		84
		85	proc skip_until_newline
		86	.next_char:
		87	cmp byte[esi], 0
		88	jz .done
		89	cmp byte[esi], 0xd ; '\r'
		90	jz .done
		91	cmp byte[esi], 0xa ; '\n'
		92	jz .done
		93	inc esi
		94	jmp .next_char
		95	.done:
		96	ret
		97	endp
		98
		99	proc skip_newline
		100	.next_char:
		101	cmp byte[esi], 0xd ; '\r'
		102	jz .newline
		103	cmp byte[esi], 0xa ; '\n'
		104	jz .newline
		105	jmp .done
		106	.newline:
		107	inc esi
		108	jmp .next_char
		109	.done:
		110	ret
		111	endp
		112
		113	proc skip_line
		114	call skip_until_newline
		115	call skip_newline
		116	ret
		117	endp
		118
		119	proc dec2bin
		120	mov edx, 0
		121	.next_char:
		122	movzx eax, byte[esi]
		123	test eax, eax
		124	jz .done
		125	sub eax, '0'
		126	jb .done
		127	cmp eax, 9
		128	ja .done
		129	inc esi
		130	imul edx, 10
		131	add edx, eax
		132	jmp .next_char
		133	.done:
		134	mov eax, edx
		135	ret
		136	endp
		137
		138	proc parse_option
		139	mov ebx, config_options-3*4
		140	.try_next_option:
		141	add ebx, 3*4
		142	mov edi, esi
		143	mov edx, [ebx] ; option name
		144	test edx, edx
		145	jz .done
		146	.next_char:
		147	cmp byte[edx], 0
		148	jnz @f
		149	cmp byte[edi], '='
		150	jz .opt_name_ok
		151	@@:
		152	cmp byte[edi], 0
		153	jz .done
		154	movzx eax, byte[edi]
		155	cmp [edx], al
		156	jnz .try_next_option
		157	inc edi
		158	inc edx
		159	jmp .next_char
		160	.opt_name_ok:
		161	inc edi
		162	mov esi, edi
		163	call dword[ebx+4]
		164	.done:
		165	ret
		166	endp
		167
		168	proc parse_line
		169	.next_line:
		170	cmp byte[esi], 0
		171	jz .done
		172	cmp byte[esi], 0xd ; '\r'
		173	jz .skip
		174	cmp byte[esi], 0xa ; '\n'
		175	jz .skip
		176	cmp byte[esi], '#'
		177	jz .skip
		178	call parse_option
		179	call skip_line
		180	jmp .next_line
		181	.skip:
		182	call skip_line
		183	jmp .next_line
		184	.done:
		185	ret
		186	endp
		187
		188	proc cfg_opt_func_resolution
		189	call dec2bin
		190	xor edx, edx
		191	mov [edx+BOOT_LO.x_res], ax
		192	cmp byte[esi], 'x'
		193	jz @f
		194	cmp byte[esi], '*'
		195	jz @f
		196	jmp .done
		197	@@:
		198	inc esi
		199	call dec2bin
		200	xor edx, edx
		201	mov [edx+BOOT_LO.y_res], ax
		202	mov [cfg_opt_used_resolution], 1
		203	.done:
		204	ret
		205	endp
		206
		207	proc cfg_opt_func_acpi
		208	call dec2bin
		209	mov [cfg_opt_used_acpi], 1
		210	mov [cfg_opt_value_acpi], al
		211	ret
		212	endp
		213
		214	proc cfg_opt_func_debug_print
		215	call dec2bin
		216	mov [cfg_opt_used_debug_print], 1
		217	mov [cfg_opt_value_debug_print], al
		218	ret
		219	endp
		220
		221	proc cfg_opt_func_launcher_start
		222	call dec2bin
		223	mov [cfg_opt_used_launcher_start], 1
		224	mov [cfg_opt_value_launcher_start], al
		225	ret
		226	endp
		227
		228	proc cfg_opt_func_mtrr
		229	call dec2bin
		230	mov [cfg_opt_used_mtrr], 1
		231	mov [cfg_opt_value_mtrr], al
		232	ret
		233	endp
		234
		235	proc cfg_opt_func_ask_params
		236	call dec2bin
		237	mov [cfg_opt_used_ask_params], 1
		238	mov [cfg_opt_value_ask_params], al
		239	ret
		240	endp
		241
		242	proc cfg_opt_func_imgfrom
		243	call dec2bin
		244	mov [cfg_opt_used_imgfrom], 1
		245	mov [cfg_opt_value_imgfrom], al
		246	ret
		247	endp
		248
		249	proc cfg_opt_func_syspath
		250	mov edi, cfg_opt_value_syspath
		251	.next_char:
		252	movzx eax, byte[esi]
		253	cmp al, 0xd ; \r
		254	jz .done
		255	cmp al, 0xa ; \n
		256	jz .done
		257	inc esi
		258	stosb
		259	jmp .next_char
		260	.done:
		261	mov byte[edi], 0
		262	ret
		263	endp
		264
		265	proc parse_config stdcall uses ebx esi edi, _buffer
		266	; mov esi, [_buffer]
		267	mov esi, KERNEL_BASE
		268	.next_line:
		269	call parse_line
		270	cmp byte[esi], 0
		271	jnz .next_line
		272	ret
		273	endp
		274
		275	proc read_options_from_config stdcall uses ebx esi edi
		276	mov ebx, [efi_table]
		277	mov ebx, [ebx+EFI_SYSTEM_TABLE.BootServices]
		278	ccall [ebx+EFI_BOOT_SERVICES.HandleProtocol], [efi_handle], \
		279	lipuuid, lip_interface
		280	test eax, eax
		281	jnz .error
		282	mov eax, [lip_interface]
		283
		284	mov ebx, [efi_table]
		285	mov ebx, [ebx+EFI_SYSTEM_TABLE.BootServices]
		286	ccall [ebx+EFI_BOOT_SERVICES.HandleProtocol], \
		287	[eax+EFI_LOADED_IMAGE_PROTOCOL.DeviceHandle], sfspguid, \
		288	sfsp_interface
		289	test eax, eax
		290	jnz .error
		291
		292	mov eax, [sfsp_interface]
		293	ccall [eax+EFI_SIMPLE_FILE_SYSTEM_PROTOCOL.OpenVolume], eax, esp_root
		294	test eax, eax
		295	jnz .error
		296
		297	stdcall load_file, [esp_root], file_name, KERNEL_BASE, \
		298	FILE_BUFFER_SIZE, 0
		299	test eax, eax
		300	jz @f
		301	stdcall parse_config, KERNEL_BASE
		302	@@:
		303	.error:
		304	ret
		305	endp
		306
		307	proc print_vmode uses eax ebx ecx esi edi, _gop_if
		308	mov ebx, [_gop_if]
		309	call clearbuf
		310	mov eax, [ebx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.HorizontalResolution]
		311	mov edi, msg
		312	call num2dec
		313	mov eax, [ebx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.VerticalResolution]
		314	mov edi, msg+8*2
		315	call num2dec
		316
		317	mov eax, [ebx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelFormat]
		318	mov edi, msg+16*2
		319	call num2dec
		320
		321	mov eax, [ebx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelsPerScanLine]
		322	mov edi, msg+24*2
		323	call num2dec
		324	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		325	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, msg
		326	ret
		327	endp
		328
		329	proc find_vmode_index_by_resolution uses ebx esi edi
		330	mov [cfg_opt_value_vmode], 0
		331	.next_mode:
		332	; mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		333	; ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		334	; msg_query_vmode
		335
		336	movzx ecx, [cfg_opt_value_vmode]
		337	mov eax, [gop_interface]
		338	ccall [eax+EFI_GRAPHICS_OUTPUT_PROTOCOL.QueryMode], eax, ecx, \
		339	gop_info_size, gop_info
		340	test eax, eax
		341	jz @f
		342	call clearbuf
		343	mov edi, msg
		344	call num2hex
		345	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		346	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, msg
		347	jmp .skip_mode
		348	@@:
		349	mov ecx, [gop_info]
		350	stdcall print_vmode, ecx
		351	; PixelBlueGreenRedReserved8BitPerColor
		352	cmp [ecx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelFormat], 1
		353	jnz .skip_mode
		354	xor edx, edx
		355	mov eax, [ecx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.HorizontalResolution]
		356	cmp ax, [edx+BOOT_LO.x_res]
		357	jnz .skip_mode
		358	mov eax, [ecx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.VerticalResolution]
		359	cmp ax, [edx+BOOT_LO.y_res]
		360	jnz .skip_mode
		361	jmp .done
		362	.skip_mode:
		363	inc [cfg_opt_value_vmode]
		364	movzx eax, [cfg_opt_value_vmode]
		365	mov ecx, [gop_interface]
		366	mov edx, [ecx+EFI_GRAPHICS_OUTPUT_PROTOCOL.Mode]
		367	cmp eax, [edx+EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.MaxMode]
		368	jnz .next_mode
		369	mov [cfg_opt_used_resolution], 0
		370	mov [cfg_opt_value_ask_params], 1
		371
		372	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		373	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		374	msg_error_no_such_vmode
		375	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		376	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, msg_error
		377	jmp $
		378	.error:
		379	.done:
		380	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		381	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		382	msg_vmode_found
		383	ret
		384	endp
		385
		386	proc ask_for_params
		387	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		388	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		389	msg_ask_for_params
		390	jmp $
		391	.error:
		392	.done:
		393	ret
		394	endp
		395
		396	main:
		397	mov esi, [esp+4]
		398	mov [efi_handle], esi
		399	mov esi, [esp+8]
		400	mov [efi_table], esi
		401
		402	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		403	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.Reset], eax, 1
		404	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		405	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		406	msg_u4k_loaded
		407
		408	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		409	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		410	msg_read_options
		411	call read_options_from_config
		412
		413	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		414	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		415	msg_load_kernel
8284	dunkaist	416	stdcall load_file, [esp_root], kernel_name, KERNEL_BASE, MAX_FILE_SIZE, 1
8150	dunkaist	417
		418	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		419	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		420	msg_load_ramdisk
8284	dunkaist	421	stdcall load_file, [esp_root], ramdisk_name, RAMDISK_BASE, MAX_FILE_SIZE, 1
8150	dunkaist	422
		423	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		424	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		425	msg_alloc_devicesdat
		426
		427	mov eax, [esi+EFI_SYSTEM_TABLE.BootServices]
		428	ccall [eax+EFI_BOOT_SERVICES.AllocatePages], \
		429	EFI_ALLOCATE_MAX_ADDRESS, EFI_RESERVED_MEMORY_TYPE, 1, \
		430	devicesdat_data
8220	dunkaist	431	call halt_on_error
8150	dunkaist	432
		433	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		434	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		435	msg_load_devicesdat
		436
		437	ccall load_file, [esp_root], devicesdat_name, [devicesdat_data], \
		438	[devicesdat_size], 0
		439	mov [devicesdat_size], eax
		440
		441	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		442	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		443	msg_locate_gop_handlers
		444
		445	mov eax, [esi+EFI_SYSTEM_TABLE.BootServices]
		446	ccall [eax+EFI_BOOT_SERVICES.LocateHandle], \
		447	EFI_LOCATE_SEARCH_TYPE.ByProtocol, gopuuid, 0, \
		448	gop_buffer_size, gop_buffer
		449	mov [status], eax
		450
		451	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		452	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		453	msg_gop_buffer_size
		454	call clearbuf
		455	mov eax, [gop_buffer_size]
		456	mov edi, msg
		457	call num2hex
		458	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		459	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, msg
		460
		461	mov eax, [status]
8220	dunkaist	462	call halt_on_error
8150	dunkaist	463
		464	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		465	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		466	msg_look_for_gop_handler
		467
		468	mov ebx, gop_buffer
		469	.next_gop_handle:
		470	mov eax, ebx
		471	sub eax, gop_buffer
		472	cmp eax, [gop_buffer_size]
		473	jb @f
		474	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		475	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		476	msg_error_out_of_handlers
		477	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		478	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, msg_error
		479	jmp $
		480	@@:
		481	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		482	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		483	msg_query_handler
		484
		485	mov eax, [esi+EFI_SYSTEM_TABLE.BootServices]
		486	ccall [eax+EFI_BOOT_SERVICES.HandleProtocol], \
		487	[ebx], gopuuid, gop_interface
		488	;mov eax, 0x80000003
		489	test eax, eax
		490	jz @f
		491	call clearbuf
		492	mov edi, msg
		493	call num2hex
		494	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		495	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, msg
		496
		497	add ebx, 4
		498	jmp .next_gop_handle
		499	@@:
		500
8220	dunkaist	501	call find_rsdp
8150	dunkaist	502
		503	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		504	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		505	msg_acpi_tables_done
		506
		507	cmp [cfg_opt_used_resolution], 0
		508	jz .not_used_resolution
		509	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		510	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		511	msg_opt_resolution
		512	call clearbuf
		513	xor edx, edx
		514	movzx eax, [edx+BOOT_LO.x_res]
		515	mov edi, msg
		516	call num2dec
		517	xor edx, edx
		518	movzx eax, [edx+BOOT_LO.y_res]
		519	mov edi, msg+8*2
		520	call num2dec
		521	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		522	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, msg
		523
		524	call find_vmode_index_by_resolution
		525	.not_used_resolution:
		526	cmp [cfg_opt_used_debug_print], 0
		527	jz .not_used_debug_print
		528	movzx eax, [cfg_opt_value_debug_print]
		529	xor edx, edx
		530	mov [edx+BOOT_LO.debug_print], al
		531	.not_used_debug_print:
		532
		533	cmp [cfg_opt_value_ask_params], 0
		534	jz @f
		535	call ask_for_params
		536	@@:
		537
		538	movzx ecx, [cfg_opt_value_vmode]
		539	mov eax, [gop_interface]
		540	ccall [eax+EFI_GRAPHICS_OUTPUT_PROTOCOL.SetMode], eax, ecx
8220	dunkaist	541	call halt_on_error
8150	dunkaist	542
		543	mov ecx, [gop_interface]
		544	mov edx, [ecx+EFI_GRAPHICS_OUTPUT_PROTOCOL.Mode]
		545	mov edi, [edx+EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.FrameBufferBase.lo]
		546	mov [fb_base], edi
		547
		548
		549	mov ebx, [edx+EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.Mode]
		550	mov eax, [gop_interface]
		551	ccall [eax+EFI_GRAPHICS_OUTPUT_PROTOCOL.QueryMode], eax, ebx, \
		552	gop_info_size, gop_info
		553	test eax, eax
		554	jnz .error
		555	mov ecx, [gop_info]
		556	mov eax, [ecx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.HorizontalResolution]
		557	xor edx, edx
		558	mov [edx+BOOT_LO.x_res], ax
		559	mov eax, [ecx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.VerticalResolution]
		560	mov [edx+BOOT_LO.y_res], ax
		561	mov eax, [ecx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelsPerScanLine]
		562	shl eax, 2
		563	mov [edx+BOOT_LO.pitch], ax
		564
9227	dunkaist	565	mov [edx+BOOT_LO.pci_data.access_mechanism], 1
		566	movzx eax, [pci_last_bus]
		567	mov [edx+BOOT_LO.pci_data.last_bus], al
		568	mov [edx+BOOT_LO.pci_data.version], 0x0300 ; PCI 3.0
		569	mov [edx+BOOT_LO.pci_data.pm_entry], 0
8150	dunkaist	570
		571	; kernel
		572	; eficall BootServices, AllocatePages, EFI_RESERVED_MEMORY_TYPE, \
		573	; 450000/0x1000, EFI_ALLOCATE_ADDRESS
		574
		575	; ramdisk
		576	; eficall BootServices, AllocatePages, EFI_RESERVED_MEMORY_TYPE, \
		577	; 2880*512/0x1000, EFI_ALLOCATE_ADDRESS
		578
8220	dunkaist	579	call calc_memmap
		580	; call dump_memmap
		581
8150	dunkaist	582	mov eax, [efi_table]
		583	mov eax, [eax+EFI_SYSTEM_TABLE.BootServices]
		584	ccall [eax+EFI_BOOT_SERVICES.ExitBootServices], [efi_handle], \
		585	[memory_map_key]
8220	dunkaist	586	call halt_on_error
8150	dunkaist	587
		588	cli
		589
		590	xor edx, edx
		591	xor esi, esi
		592	mov [esi+BOOT_LO.bpp], 32
		593	mov [esi+BOOT_LO.vesa_mode], dx
		594	mov [esi+BOOT_LO.bank_switch], edx
		595	mov edi, [fb_base]
		596	mov [esi+BOOT_LO.lfb], edi
		597
		598	movzx eax, [cfg_opt_value_mtrr]
		599	mov [esi+BOOT_LO.mtrr], al
		600
		601	movzx eax, [cfg_opt_value_launcher_start]
		602	mov [esi+BOOT_LO.launcher_start], al
		603
		604	movzx eax, [cfg_opt_value_debug_print]
		605	mov [esi+BOOT_LO.debug_print], al
		606
		607	mov [esi+BOOT_LO.dma], dl
		608	; mov qword[esi+BOOT_LO.pci_data], 0
		609	mov [esi+BOOT_LO.apm_entry], edx
		610	mov [esi+BOOT_LO.apm_version], dx
		611	mov [esi+BOOT_LO.apm_flags], dx
		612	mov [esi+BOOT_LO.apm_code_32], dx
		613	mov [esi+BOOT_LO.apm_code_16], dx
		614	mov [esi+BOOT_LO.apm_data_16], dx
		615	mov [esi+BOOT_LO.bios_hd_cnt], dl
		616
		617	movzx eax, [cfg_opt_value_imgfrom]
		618	mov [esi+BOOT_LO.rd_load_from], al
		619
		620	mov eax, dword[devicesdat_size]
		621	mov [edx+BOOT_LO.devicesdat_size], eax
		622	mov eax, dword[devicesdat_data]
		623	mov [edx+BOOT_LO.devicesdat_data], eax
		624
		625	mov esi, cfg_opt_value_syspath
		626	mov edi, BOOT_LO.syspath
		627	mov ecx, 0x17
		628	rep movsb
		629
		630	lgdt [cs:GDTR]
		631
		632	mov ax, DATA_32_SELECTOR
		633	mov ds, ax
		634	mov es, ax
		635	mov fs, ax
		636	mov gs, ax
		637	mov ss, ax
		638
		639	push CODE_32_SELECTOR
		640	lea eax, [.next]
		641	push eax
		642	retf
		643
		644	.next:
		645	mov eax, cr0
		646	and eax, not CR0_PG
		647	mov cr0, eax
		648
		649	mov eax, cr4
		650	and eax, not CR4_PAE
		651	mov cr4, eax
		652
		653	push KERNEL_BASE
		654	retn
		655
		656	.error:
		657	mov esi, [efi_table]
		658	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		659	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		660	msg_error
		661	jmp $
		662
8220	dunkaist	663	halt_on_error:
		664	test eax, eax
		665	jz @f
		666	call clearbuf
		667	mov edi, msg
		668	call num2hex
		669	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		670	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		671	msg_error
		672	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		673	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, msg
		674	jmp $
		675	@@:
		676	ret
		677
		678	proc find_rsdp
		679	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		680	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		681	msg_look_for_rsdp
		682
		683	mov edi, [esi+EFI_SYSTEM_TABLE.ConfigurationTable]
		684	mov ecx, [esi+EFI_SYSTEM_TABLE.NumberOfTableEntries]
		685	.next_table:
		686	dec ecx
		687	js .all_tables_done
		688	; EFI_ACPI_TABLE_GUID
		689	cmp dword[edi+EFI_CONFIGURATION_TABLE.VendorGUID+0x0], 0x8868e871
		690	jnz .not_acpi20
		691	cmp dword[edi+EFI_CONFIGURATION_TABLE.VendorGUID+0x4], 0x11d3e4f1
		692	jnz .not_acpi20
		693	cmp dword[edi+EFI_CONFIGURATION_TABLE.VendorGUID+0x8], 0x800022bc
		694	jnz .not_acpi20
		695	cmp dword[edi+EFI_CONFIGURATION_TABLE.VendorGUID+0xc], 0x81883cc7
		696	jnz .not_acpi20
		697	mov eax, [edi+EFI_CONFIGURATION_TABLE.VendorTable]
		698	mov edx, BOOT_LO.acpi_rsdp
		699	mov [edx], eax
		700	mov eax, [esi+EFI_SYSTEM_TABLE.ConOut]
		701	ccall [eax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], eax, \
		702	msg_rsdp_found
		703	jmp .all_tables_done
		704	.not_acpi20:
		705	add edi, sizeof.EFI_CONFIGURATION_TABLE
		706	jmp .next_table
		707	.all_tables_done:
		708	ret
		709	endp
		710
		711	proc calc_memmap
		712	mov eax, [esi+EFI_SYSTEM_TABLE.BootServices]
		713	ccall [eax+EFI_BOOT_SERVICES.AllocatePages], EFI_ALLOCATE_ANY_PAGES, \
		714	EFI_RESERVED_MEMORY_TYPE, MEMORY_MAP_SIZE/0x1000, memory_map
		715	call halt_on_error
		716
		717	mov eax, [esi+EFI_SYSTEM_TABLE.BootServices]
		718	ccall [eax+EFI_BOOT_SERVICES.GetMemoryMap], memory_map_size, \
		719	[memory_map], memory_map_key, descriptor_size, descriptor_ver
		720	call halt_on_error
		721
		722	push esi
		723	mov edi, BOOT_LO.memmap_blocks
		724	mov dword[edi-4], 0 ; memmap_block_cnt
		725	mov esi, [memory_map]
		726	mov ebx, esi
		727	add ebx, [memory_map_size]
		728	.next_descr:
		729	call add_uefi_memmap
		730	add esi, [descriptor_size]
		731	cmp esi, ebx
		732	jb .next_descr
		733	pop esi
		734	ret
		735	endp
		736
8150	dunkaist	737	; linux/arch/x86/platform/efi/efi.c
		738	; do_add_efi_memmap
		739	proc add_uefi_memmap
8220	dunkaist	740	cmp [BOOT_LO.memmap_block_cnt], MAX_MEMMAP_BLOCKS
		741	jz .done
8150	dunkaist	742
8220	dunkaist	743	mov eax, [esi+EFI_MEMORY_DESCRIPTOR.PhysicalStart.lo]
		744	mov edx, [esi+EFI_MEMORY_DESCRIPTOR.PhysicalStart.hi]
		745	mov [edi+e820entry.addr.lo], eax
		746	mov [edi+e820entry.addr.hi], edx
8150	dunkaist	747
8220	dunkaist	748	mov eax, [esi+EFI_MEMORY_DESCRIPTOR.NumberOfPages.lo]
		749	mov edx, [esi+EFI_MEMORY_DESCRIPTOR.NumberOfPages.hi]
		750	shld edx, eax, 12
8150	dunkaist	751	shl eax, 12
8220	dunkaist	752	mov [edi+e820entry.size.lo], eax
		753	mov [edi+e820entry.size.hi], edx
8150	dunkaist	754
8220	dunkaist	755	mov ecx, [esi+EFI_MEMORY_DESCRIPTOR.Type]
		756	cmp ecx, EFI_LOADER_CODE
		757	jz .mem_ram_if_wb
		758	cmp ecx, EFI_LOADER_DATA
		759	jz .mem_ram_if_wb
		760	cmp ecx, EFI_BOOT_SERVICES_CODE
		761	jz .mem_ram_if_wb
		762	cmp ecx, EFI_BOOT_SERVICES_DATA
		763	jz .mem_ram_if_wb
		764	cmp ecx, EFI_CONVENTIONAL_MEMORY
		765	jz .mem_ram_if_wb
		766	cmp ecx, EFI_ACPI_RECLAIM_MEMORY
8150	dunkaist	767	mov eax, E820_ACPI
8220	dunkaist	768	jz .type_done
		769	cmp ecx, EFI_ACPI_MEMORY_NVS
8150	dunkaist	770	mov eax, E820_NVS
8220	dunkaist	771	jz .type_done
		772	cmp ecx, EFI_UNUSABLE_MEMORY
8150	dunkaist	773	mov eax, E820_UNUSABLE
8220	dunkaist	774	jz .type_done
		775	cmp ecx, EFI_PERSISTENT_MEMORY
8150	dunkaist	776	mov eax, E820_PMEM
8220	dunkaist	777	jz .type_done
		778	jmp .reserved
		779	.mem_ram_if_wb:
		780	test [esi+EFI_MEMORY_DESCRIPTOR.Attribute.lo], EFI_MEMORY_WB
		781	mov eax, E820_RAM
		782	jnz .type_done
		783	.reserved:
8150	dunkaist	784	mov eax, E820_RESERVED
8220	dunkaist	785	.type_done:
		786	mov [edi+e820entry.type], eax
		787	cmp eax, E820_RAM
		788	jnz @f
		789	inc [BOOT_LO.memmap_block_cnt]
		790	add edi, sizeof.e820entry
		791	@@:
8150	dunkaist	792	.done:
		793	ret
		794	endp
		795
		796
		797	proc num2dec
		798	pushad
		799
		800	xor ecx, ecx
		801	mov ebx, 10
		802	.next_digit:
		803	xor edx, edx
		804	div ebx
		805	push edx
		806	inc ecx
		807	test eax, eax
		808	jnz .next_digit
		809
		810	.next_char:
		811	pop eax
		812	add eax, '0'
		813	stosw
		814	loop .next_char
		815
		816	popad
		817	ret
		818	endp
		819
		820
		821	proc num2hex
		822	pushad
		823
		824	xchg edx, eax
		825	mov ecx, 8
		826	.next_tetra:
		827	rol edx, 4
		828	movzx eax, dl
		829	and eax, 0x0f
		830	movzx eax, byte[hex+eax]
		831	stosw
		832	loop .next_tetra
		833
		834	popad
		835	ret
		836	endp
		837
		838
		839	hex db '0123456789ABCDEF'
		840
		841	proc clearbuf
		842	pushad
		843	mov eax, 0x0020
		844	mov ecx, 79
		845	mov edi, msg
		846	rep stosw
		847	popad
		848	ret
		849	endp
		850
8284	dunkaist	851	section '.rodata' data readable
		852	align 16
8150	dunkaist	853	GDTR:
		854	dw 3*8-1
		855	dq GDT
8284	dunkaist	856	align 16
8150	dunkaist	857	GDT:
		858	dw 0, 0, 0, 0
		859	dw 0FFFFh,0,9A00h,0CFh ; 32-bit code
		860	dw 0FFFFh,0,9200h,0CFh ; flat data
		861
		862	gopuuid db EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID
		863	lipuuid db EFI_LOADED_IMAGE_PROTOCOL_GUID
		864	sfspguid db EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID
9227	dunkaist	865	pcirbguid db EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_GUID
8150	dunkaist	866
		867	file_name du "\EFI\KOLIBRIOS\KOLIBRI.INI",0
		868	kernel_name du "\EFI\KOLIBRIOS\KOLIBRI.KRN",0
		869	ramdisk_name du "\EFI\KOLIBRIOS\KOLIBRI.IMG",0
		870	devicesdat_name du "\EFI\KOLIBRIOS\DEVICES.DAT",0
		871
		872	config_options dd cfg_opt_name_resolution, cfg_opt_func_resolution, \
		873	cfg_opt_cmnt_resolution, \
		874	cfg_opt_name_acpi, cfg_opt_func_acpi, cfg_opt_cmnt_acpi, \
		875	cfg_opt_name_debug_print, cfg_opt_func_debug_print, \
		876	cfg_opt_cmnt_debug_print, \
		877	cfg_opt_name_launcher_start, cfg_opt_func_launcher_start, \
		878	cfg_opt_cmnt_launcher_start, \
		879	cfg_opt_name_mtrr, cfg_opt_func_mtrr, cfg_opt_cmnt_mtrr, \
		880	cfg_opt_name_ask_params, cfg_opt_func_ask_params, \
		881	cfg_opt_cmnt_ask_params, \
		882	cfg_opt_name_imgfrom, cfg_opt_func_imgfrom, \
		883	cfg_opt_cmnt_imgfrom, \
		884	cfg_opt_name_syspath, cfg_opt_func_syspath, \
		885	cfg_opt_cmnt_syspath, \
		886
		887
		888	cfg_opt_name_resolution db "resolution",0
		889	cfg_opt_name_acpi db "acpi",0
		890	cfg_opt_name_debug_print db "debug_print",0
		891	cfg_opt_name_launcher_start db "launcher_start",0
		892	cfg_opt_name_mtrr db "mtrr",0
		893	cfg_opt_name_ask_params db "ask_params",0
		894	cfg_opt_name_imgfrom db "imgfrom",0
		895	cfg_opt_name_syspath db "syspath",0
		896
		897	cfg_opt_cmnt_resolution db "# Graphic mode",0
		898	cfg_opt_cmnt_acpi db "# ACPI settings",0xa, \
		899	"# 0: don't use",0xa, \
		900	"# 1: parse ACPI tables",0xa, \
		901	"# 2: + call _PIC method",0xa, \
		902	"# 3: + get APIC interrupts",0xa,0
		903	cfg_opt_cmnt_debug_print db "# Duplicate debug output to the screen",0
		904	cfg_opt_cmnt_launcher_start db "# Start LAUNCHER app after kernel is loaded",0
		905	cfg_opt_cmnt_mtrr db "# Configure MTRR's",0
		906	cfg_opt_cmnt_ask_params db "# Interrupt booting to ask the user for boot", \
		907	" params",0
		908	cfg_opt_cmnt_imgfrom db "# Where to load ramdisk image from",0
		909	cfg_opt_cmnt_syspath db "# Path to /sys directory",0
		910
		911	msg_u4k_loaded du "uefi32kos loaded",13,10,0
		912	msg_read_options du "Read options from config file",13,10,0
		913	msg_load_kernel du "Load kernel",13,10,0
		914	msg_load_ramdisk du "Load ramdisk",13,10,0
		915	msg_load_devicesdat du "Load DEVICES.DAT",13,10,0
		916	msg_alloc_devicesdat du "Allocate memory for DEVICES.DAT",13,10,0
		917	msg_locate_gop_handlers du "Locate GOP handlers",13,10,0
		918	msg_look_for_gop_handler du "Look for GOP handler",13,10,0
		919	msg_query_handler du "Query handler",13,10,0
		920	msg_query_vmode du "Query vmode",13,10,0
		921	msg_vmode_found du "Video mode found",13,10,0
		922	msg_look_for_rsdp du "Look for RSDP",13,10,0
		923	msg_rsdp_found du "RSDP found",13,10,0
		924	msg_acpi_tables_done du "ACPI tables done",13,10,0
		925	msg_ask_for_params du "Ask for params",13,10,0
		926	msg_set_graphic_mode du "Set graphic mode",13,10,0
		927	msg_success du "Success!",13,10,0
		928	msg_gop_buffer_size du "GOP buffer size",13,10,0
		929	msg_opt_resolution du "option resolution: ",0
		930	msg_error du "Error!",13,10,0
		931	msg_error_no_such_vmode du "No such vmode",13,10,0
		932	msg_error_out_of_handlers du "Out of handlers",13,10,0
		933	msg_error_open_file du "Error: can't open file ",0
		934	msg du 79 dup " ",13,10,0
		935
8284	dunkaist	936
		937	section '.data' data readable writeable
		938	efi_handle dd 0
		939	efi_table dd 0
		940
		941	fb_base dd 0
		942
		943	gop_buffer_size dd GOP_BUFFER_SIZE
		944	gop_handle dd 0
		945	gop_interface dd 0
		946	gop_info_size dd 0
		947	gop_info dd 0
		948
		949	lip_buffer_size dd LIP_BUFFER_SIZE
		950	lip_handle dd 0
		951	lip_interface dd 0
		952
		953	sfsp_interface dd 0
		954
9227	dunkaist	955	pci_last_bus db 254
		956
8284	dunkaist	957	esp_root dd ?
		958	file_handle dd ?
		959	file_buffer_size dd FILE_BUFFER_SIZE-1 ; leave the last byte for \0
		960
		961	cfg_opt_used_resolution db 0
		962	cfg_opt_used_acpi db 0
		963	cfg_opt_used_debug_print db 0
		964	cfg_opt_used_launcher_start db 0
		965	cfg_opt_used_mtrr db 0
		966	cfg_opt_used_ask_params db 0
		967	cfg_opt_used_imgfrom db 0
		968	cfg_opt_used_syspath db 0
		969
		970	cfg_opt_value_vmode db 0
		971	cfg_opt_value_acpi db 0
		972	cfg_opt_value_debug_print db 0
		973	cfg_opt_value_launcher_start db 1
		974	cfg_opt_value_mtrr db 0
		975	cfg_opt_value_ask_params db 0
		976	cfg_opt_value_imgfrom db RD_LOAD_FROM_MEMORY
		977	cfg_opt_value_syspath db "/RD/1",0
		978	rb 20
		979
		980	memory_map_key dd 0
		981	descriptor_size dd 0
		982	descriptor_ver dd 0
		983	memory_map_size dd MEMORY_MAP_SIZE
		984
8150	dunkaist	985	efi_fs_info_id db EFI_FILE_SYSTEM_INFO_ID
		986	efi_fs_info_size dq sizeof.EFI_FILE_SYSTEM_INFO
		987	efi_fs_info EFI_FILE_SYSTEM_INFO
		988
		989	memory_map dd ?
		990	gop_buffer rd GOP_BUFFER_SIZE/4
		991	devicesdat_data dd 0xffffffff
		992	devicesdat_size dd 0x1000
		993	status dd ?
		994
		995	section '.reloc' fixups data discardable

Subversion Repositories Kolibri OS

(root)/kernel/trunk/bootloader/uefi4kos/uefi32kos.asm – Rev 9227