WebSVN – Kolibri OS – Blame – /kernel/trunk/bootloader/uefi4kos/uefi64kos.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 pe64 efi
8092	dunkaist	12	entry main
		13
		14	section '.text' code executable readable
		15
		16	include '../../struct.inc'
		17	include '../../macros.inc'
9227	dunkaist	18	include '../../kglobals.inc'
		19	fastcall fix fstcall
		20	include 'proc64.inc'
8092	dunkaist	21	include '../../const.inc'
		22
8150	dunkaist	23	purge DQ
		24	include 'uefi64.inc'
		25
8206	dunkaist	26	MEMORY_MAP_SIZE = 0x10000
9227	dunkaist	27	PROTOCOL_HANDLERS_BUFFER_SIZE = 0x100
8092	dunkaist	28	FILE_BUFFER_SIZE = 0x1000
		29
8656	dunkaist	30	KERNEL_TRAMPOLINE = 0x8f80 ; just before BOOT_LO
8092	dunkaist	31	KERNEL_BASE = 0x10000
		32	RAMDISK_BASE = 0x100000
8284	dunkaist	33	MAX_FILE_SIZE = 0x10000000
8092	dunkaist	34
		35	CODE_32_SELECTOR = 8
		36	DATA_32_SELECTOR = 16
		37	CODE_64_SELECTOR = 24
		38
		39	; linux/arch/x86/include/uapi/asm/e820.h
		40	E820_RAM = 1
		41	E820_RESERVED = 2
		42	E820_ACPI = 3
		43	E820_NVS = 4
		44	E820_UNUSABLE = 5
		45	E820_PMEM = 7
		46
9253	dunkaist	47	proc load_file _root, _name, _buffer, _size, _fatal
		48	locals
		49	.status dq ?
		50	endl
		51	mov [_root], rcx
		52	mov [_name], rdx
		53	mov [_buffer], r8
		54	mov [_size], r9
		55	mov r10, [_root]
		56	mov r11, [_name]
9227	dunkaist	57	fstcall [r10+EFI_FILE_PROTOCOL.Open], r10, file_handle, \
		58	r11, EFI_FILE_MODE_READ, 0
8206	dunkaist	59	test eax, eax
8092	dunkaist	60	jz @f
		61	xor eax, eax
9253	dunkaist	62	cmp [_fatal], 1
8092	dunkaist	63	jnz .done
9253	dunkaist	64	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		65	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8150	dunkaist	66	msg_error_open_file
9253	dunkaist	67	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		68	mov rdx, [_name]
		69	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, [_name]
8092	dunkaist	70	jmp $
		71	@@:
		72
9253	dunkaist	73	lea rdx, [_size]
		74	mov r8, [_buffer]
9227	dunkaist	75	mov r10, [file_handle]
		76	fstcall [r10+EFI_FILE_PROTOCOL.Read], [file_handle], rdx, r8
		77	mov r10, [file_handle]
		78	fstcall [r10+EFI_FILE_PROTOCOL.Close], [file_handle]
9253	dunkaist	79	mov rax, [_size]
8092	dunkaist	80	.done:
9253	dunkaist	81	mov [.status], rax
8206	dunkaist	82	call clearbuf
		83	mov rdi, msg
		84	call num2dec
9253	dunkaist	85	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		86	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8206	dunkaist	87	msg_file_size
9253	dunkaist	88	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		89	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
		90	mov rax, [.status]
		91	ret
		92	endp
8092	dunkaist	93
		94	skip_whitespace:
		95	.next_char:
		96	cmp byte[rsi], 0
		97	jz .done
		98	cmp byte[rsi], 0x20 ; ' '
		99	jz .whitespace
		100	cmp byte[rsi], 9 ; '\t'
		101	jz .whitespace
		102	jmp .done
		103	.whitespace:
		104	inc rsi
		105	jmp .next_char
		106	.done:
		107	ret
		108
		109	skip_until_newline:
		110	.next_char:
		111	cmp byte[rsi], 0
		112	jz .done
		113	cmp byte[rsi], 0xd ; '\r'
		114	jz .done
		115	cmp byte[rsi], 0xa ; '\n'
		116	jz .done
		117	inc rsi
		118	jmp .next_char
		119	.done:
		120	ret
		121
		122	skip_newline:
		123	.next_char:
		124	cmp byte[rsi], 0xd ; '\r'
		125	jz .newline
		126	cmp byte[rsi], 0xa ; '\n'
		127	jz .newline
		128	jmp .done
		129	.newline:
		130	inc rsi
		131	jmp .next_char
		132	.done:
		133	ret
		134
		135	skip_line:
		136	call skip_until_newline
		137	call skip_newline
		138	ret
		139
		140	dec2bin:
		141	mov edx, 0
		142	.next_char:
		143	movzx eax, byte[rsi]
		144	test eax, eax
		145	jz .done
		146	sub eax, '0'
		147	jb .done
		148	cmp eax, 9
		149	ja .done
		150	inc rsi
		151	imul edx, 10
		152	add edx, eax
		153	jmp .next_char
		154	.done:
		155	mov eax, edx
		156	ret
		157
		158	parse_option:
		159	mov rbx, config_options-3*8
		160	.try_next_option:
		161	add rbx, 3*8
		162	mov rdi, rsi
		163	mov rdx, [rbx] ; option name
		164	test rdx, rdx
		165	jz .done
		166	.next_char:
		167	cmp byte[rdx], 0
		168	jnz @f
		169	cmp byte[rdi], '='
		170	jz .opt_name_ok
		171	@@:
		172	cmp byte[rdi], 0
		173	jz .done
		174	movzx eax, byte[rdi]
		175	cmp [rdx], al
		176	jnz .try_next_option
		177	inc rdi
		178	inc rdx
		179	jmp .next_char
		180	.opt_name_ok:
		181	inc rdi
		182	mov rsi, rdi
		183	call qword[rbx+8]
		184	.done:
		185	ret
		186
		187	parse_line:
		188	.next_line:
		189	cmp byte[rsi], 0
		190	jz .done
		191	cmp byte[rsi], 0xd ; '\r'
		192	jz .skip
		193	cmp byte[rsi], 0xa ; '\n'
		194	jz .skip
		195	cmp byte[rsi], '#'
		196	jz .skip
		197	call parse_option
		198	call skip_line
		199	jmp .next_line
		200	.skip:
		201	call skip_line
		202	jmp .next_line
		203	.done:
		204	ret
		205
		206	cfg_opt_func_resolution:
		207	call dec2bin
		208	xor edx, edx
		209	mov [rdx+BOOT_LO.x_res], ax
		210	cmp byte[rsi], 'x'
		211	jz @f
		212	cmp byte[rsi], '*'
		213	jz @f
		214	jmp .done
		215	@@:
		216	inc rsi
		217	call dec2bin
		218	xor edx, edx
		219	mov [rdx+BOOT_LO.y_res], ax
		220	mov [cfg_opt_used_resolution], 1
		221	.done:
		222	ret
		223
		224	cfg_opt_func_acpi:
		225	call dec2bin
		226	mov [cfg_opt_used_acpi], 1
		227	mov [cfg_opt_value_acpi], al
		228	ret
		229
		230	cfg_opt_func_debug_print:
		231	call dec2bin
		232	mov [cfg_opt_used_debug_print], 1
		233	mov [cfg_opt_value_debug_print], al
		234	ret
		235
		236	cfg_opt_func_launcher_start:
		237	call dec2bin
		238	mov [cfg_opt_used_launcher_start], 1
		239	mov [cfg_opt_value_launcher_start], al
		240	ret
		241
		242	cfg_opt_func_mtrr:
		243	call dec2bin
		244	mov [cfg_opt_used_mtrr], 1
		245	mov [cfg_opt_value_mtrr], al
		246	ret
		247
		248	cfg_opt_func_ask_params:
		249	call dec2bin
		250	mov [cfg_opt_used_ask_params], 1
		251	mov [cfg_opt_value_ask_params], al
		252	ret
		253
		254	cfg_opt_func_imgfrom:
		255	call dec2bin
		256	mov [cfg_opt_used_imgfrom], 1
		257	mov [cfg_opt_value_imgfrom], al
		258	ret
		259
		260	cfg_opt_func_syspath:
		261	mov rdi, cfg_opt_value_syspath
		262	.next_char:
		263	movzx eax, byte[rsi]
		264	cmp al, 0xd ; \r
		265	jz .done
		266	cmp al, 0xa ; \n
		267	jz .done
		268	inc rsi
		269	stosb
		270	jmp .next_char
		271	.done:
		272	mov byte[rdi], 0
		273	ret
		274
9253	dunkaist	275	proc parse_config uses rbx rsi rdi, _buffer
		276	mov rsi, rcx
		277	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		278	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8206	dunkaist	279	msg_parsing_config
8092	dunkaist	280	.next_line:
		281	call parse_line
		282	cmp byte[rsi], 0
		283	jnz .next_line
9253	dunkaist	284	ret
		285	endp
8092	dunkaist	286
9253	dunkaist	287	proc read_options_from_config
		288	mov r10, [rbx+EFI_SYSTEM_TABLE.BootServices]
		289	fstcall [r10+EFI_BOOT_SERVICES.HandleProtocol], [efi_handle], \
		290	lip_guid, lip_interface
8206	dunkaist	291	test eax, eax
		292	jz @f
9253	dunkaist	293	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		294	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8206	dunkaist	295	msg_error_efi_lip_handle
		296	jmp $
		297	@@:
9253	dunkaist	298	mov r11, [lip_interface]
		299	mov r10, [rbx+EFI_SYSTEM_TABLE.BootServices]
		300	fstcall [r10+EFI_BOOT_SERVICES.HandleProtocol], \
		301	[r11+EFI_LOADED_IMAGE_PROTOCOL.DeviceHandle], sfsp_guid, \
8092	dunkaist	302	sfsp_interface
8206	dunkaist	303	test eax, eax
		304	jz @f
9253	dunkaist	305	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		306	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8206	dunkaist	307	msg_error_lip_dev_sfsp
		308	jmp $
		309	@@:
9227	dunkaist	310	mov r10, [sfsp_interface]
		311	fstcall [r10+EFI_SIMPLE_FILE_SYSTEM_PROTOCOL.OpenVolume], \
8092	dunkaist	312	[sfsp_interface], esp_root
8206	dunkaist	313	test eax, eax
		314	jz @f
9253	dunkaist	315	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		316	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8206	dunkaist	317	msg_error_sfsp_openvolume
		318	jmp $
		319	@@:
9253	dunkaist	320	fstcall load_file, [esp_root], file_name, KERNEL_BASE, \
		321	FILE_BUFFER_SIZE, 0 ; not fatal
8092	dunkaist	322
		323	test eax, eax
		324	jz @f
9253	dunkaist	325	fstcall parse_config, KERNEL_BASE
8092	dunkaist	326	@@:
		327
		328	.error:
		329	ret
9253	dunkaist	330	endp
8092	dunkaist	331
9253	dunkaist	332	proc print_vmode uses rax rbx rcx rdx rsi rdi
		333	mov r10, rcx
8150	dunkaist	334	call clearbuf
9253	dunkaist	335	mov eax, [r10+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.HorizontalResolution]
8150	dunkaist	336	mov rdi, msg
		337	call num2dec
9253	dunkaist	338	mov eax, [r10+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.VerticalResolution]
8150	dunkaist	339	mov rdi, msg+8*2
		340	call num2dec
		341
9253	dunkaist	342	mov eax, [r10+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelFormat]
8150	dunkaist	343	mov rdi, msg+16*2
		344	call num2dec
		345
9253	dunkaist	346	mov eax, [r10+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelsPerScanLine]
8150	dunkaist	347	mov rdi, msg+24*2
		348	call num2dec
9253	dunkaist	349	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		350	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
8150	dunkaist	351	ret
9253	dunkaist	352	endp
8150	dunkaist	353
9253	dunkaist	354	proc find_vmode_index_by_resolution
8092	dunkaist	355	mov [cfg_opt_used_resolution], 1
		356	mov [cfg_opt_value_vmode], 0
8150	dunkaist	357	.next_mode:
9227	dunkaist	358	movzx edx, [cfg_opt_value_vmode]
		359	mov r10, [gop_interface]
		360	fstcall [r10+EFI_GRAPHICS_OUTPUT_PROTOCOL.QueryMode], [gop_interface], \
		361	rdx, gop_info_size, gop_info
8092	dunkaist	362	cmp rax, EFI_SUCCESS
		363	jnz .error
		364	mov rcx, [gop_info]
9253	dunkaist	365	fstcall print_vmode
8092	dunkaist	366	; PixelBlueGreenRedReserved8BitPerColor
		367	cmp [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelFormat], 1
		368	jnz .skip_mode
		369	xor edx, edx
		370	mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.HorizontalResolution]
		371	cmp ax, [rdx+BOOT_LO.x_res]
		372	jnz .skip_mode
		373	mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.VerticalResolution]
		374	cmp ax, [rdx+BOOT_LO.y_res]
		375	jnz .skip_mode
		376	jmp .done
8150	dunkaist	377	.skip_mode:
8092	dunkaist	378	inc [cfg_opt_value_vmode]
		379	movzx eax, [cfg_opt_value_vmode]
		380	mov rcx, [gop_interface]
		381	mov rdx, [rcx+EFI_GRAPHICS_OUTPUT_PROTOCOL.Mode]
8284	dunkaist	382	cmp eax, [rdx+EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.MaxMode]
8092	dunkaist	383	jnz .next_mode
		384	mov [cfg_opt_used_resolution], 0
		385	mov [cfg_opt_value_ask_params], 1
8150	dunkaist	386
9253	dunkaist	387	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		388	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8150	dunkaist	389	msg_error_no_such_vmode
9253	dunkaist	390	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		391	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8206	dunkaist	392	msg_error
8150	dunkaist	393	jmp $
8092	dunkaist	394	.error:
		395	.done:
		396	ret
9253	dunkaist	397	endp
8092	dunkaist	398
		399	ask_for_params:
9253	dunkaist	400	jmp $
8150	dunkaist	401
9253	dunkaist	402	proc detect_pci_config
9227	dunkaist	403	fstcall get_protocol_interface, pcirbiop_guid
		404	mov [pcirbiop_interface], rax
		405	mov r10, rax
		406	fstcall [r10+EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL.Configuration], r10, \
		407	pcirbiop_resources
		408	; fstcall dump_pci_resources
		409	fstcall get_last_pci_bus
		410	call clearbuf
		411	movzx eax, [pci_last_bus]
		412	mov rdi, msg
		413	call num2hex
9253	dunkaist	414	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		415	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
9227	dunkaist	416	msg_pci_last_bus
9253	dunkaist	417	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		418	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
9227	dunkaist	419	ret
9253	dunkaist	420	endp
9227	dunkaist	421
		422	proc get_last_pci_bus
		423	mov rsi, [pcirbiop_resources]
		424	.next_resource:
		425	cmp [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.Type], \
		426	EFI_RESOURCE_DESCRIPTOR_TYPE.END_TAG
		427	jz .not_found
		428	mov rax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.RangeMaximum]
		429	cmp [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.ResourceType], \
		430	EFI_RESOURCE_TYPE.BUS
		431	jz .found
		432	movzx eax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.Length]
		433	lea rsi, [rsi+rax+3]
		434	jmp .next_resource
		435	.found:
		436	mov [pci_last_bus], al
		437	.not_found:
		438	ret
		439	endp
		440
		441	proc main _efi_handle, _efi_table
8150	dunkaist	442	mov [efi_handle], rcx
		443	mov [efi_table], rdx
9253	dunkaist	444	mov rbx, rdx
8092	dunkaist	445
9253	dunkaist	446	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		447	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.Reset], rcx, 1
8150	dunkaist	448	test eax, eax
9253	dunkaist	449	jnz $ ; what can I do here?
		450	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		451	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8150	dunkaist	452	msg_u4k_loaded
8092	dunkaist	453
9253	dunkaist	454	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		455	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
9227	dunkaist	456	msg_detect_pci_config
9253	dunkaist	457	fstcall detect_pci_config
9227	dunkaist	458
9253	dunkaist	459	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		460	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8150	dunkaist	461	msg_read_options
9253	dunkaist	462	fstcall read_options_from_config
8092	dunkaist	463
		464	; read kernel file
9253	dunkaist	465	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		466	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8150	dunkaist	467	msg_load_kernel
9253	dunkaist	468	fstcall load_file, [esp_root], kernel_name, KERNEL_BASE, \
		469	MAX_FILE_SIZE, 1 ; fatal
8092	dunkaist	470
		471	; read ramdisk image
9253	dunkaist	472	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		473	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8150	dunkaist	474	msg_load_ramdisk
9253	dunkaist	475	fstcall load_file, [esp_root], ramdisk_name, RAMDISK_BASE, \
		476	MAX_FILE_SIZE, 1 ; fatal
8092	dunkaist	477
		478	; alloc buffer for devices.dat
9253	dunkaist	479	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		480	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8150	dunkaist	481	msg_alloc_devicesdat
9253	dunkaist	482	mov r10, [rbx+EFI_SYSTEM_TABLE.BootServices]
		483	fstcall [r10+EFI_BOOT_SERVICES.AllocatePages], \
8150	dunkaist	484	EFI_ALLOCATE_MAX_ADDRESS, EFI_RESERVED_MEMORY_TYPE, 1, \
		485	devicesdat_data
8092	dunkaist	486	cmp eax, EFI_SUCCESS
		487	jnz .error
		488
		489	; read devices.dat
9253	dunkaist	490	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		491	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8150	dunkaist	492	msg_load_devicesdat
		493
9253	dunkaist	494	fstcall load_file, [esp_root], devicesdat_name, [devicesdat_data], \
		495	[devicesdat_size], 0 ; not fatal
8092	dunkaist	496	mov [devicesdat_size], rax
		497
9253	dunkaist	498	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		499	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
9227	dunkaist	500	msg_locate_gop_interface
8150	dunkaist	501
9227	dunkaist	502	fstcall get_protocol_interface, gop_guid
		503	mov [gop_interface], rax
8150	dunkaist	504
9253	dunkaist	505	fstcall find_rsdp
8150	dunkaist	506
9253	dunkaist	507	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		508	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8150	dunkaist	509	msg_acpi_tables_done
		510
8092	dunkaist	511	cmp [cfg_opt_used_resolution], 0
		512	jz .not_used_resolution
9253	dunkaist	513	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		514	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8150	dunkaist	515	msg_opt_resolution
		516	call clearbuf
		517	xor edx, edx
		518	movzx eax, [rdx+BOOT_LO.x_res]
		519	mov rdi, msg
		520	call num2dec
		521	xor edx, edx
		522	movzx eax, [rdx+BOOT_LO.y_res]
		523	mov rdi, msg+8*2
		524	call num2dec
9253	dunkaist	525	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		526	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
		527	fstcall find_vmode_index_by_resolution
8092	dunkaist	528	.not_used_resolution:
		529	cmp [cfg_opt_used_debug_print], 0
		530	jz .not_used_debug_print
		531	movzx eax, [cfg_opt_value_debug_print]
		532	xor edx, edx
		533	mov [rdx+BOOT_LO.debug_print], al
		534	.not_used_debug_print:
		535
		536	cmp [cfg_opt_value_ask_params], 0
		537	jz @f
		538	call ask_for_params
		539	@@:
		540
9227	dunkaist	541	movzx edx, [cfg_opt_value_vmode]
		542	mov r10, [gop_interface]
		543	fstcall [r10+EFI_GRAPHICS_OUTPUT_PROTOCOL.SetMode], [gop_interface], rdx
8150	dunkaist	544	test eax, eax
		545	jz @f
		546	call clearbuf
		547	mov rdi, msg
		548	call num2hex
9253	dunkaist	549	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		550	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
		551	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		552	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8206	dunkaist	553	msg_error
8150	dunkaist	554	jmp $
		555	@@:
8092	dunkaist	556
		557	mov rcx, [gop_interface]
		558	mov rdx, [rcx+EFI_GRAPHICS_OUTPUT_PROTOCOL.Mode]
		559	mov rdi, [rdx+EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.FrameBufferBase]
		560	mov [fb_base], rdi
		561
9253	dunkaist	562	mov edx, [rdx+EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.Mode]
		563	mov r10, [gop_interface]
		564	fstcall [r10+EFI_GRAPHICS_OUTPUT_PROTOCOL.QueryMode], [gop_interface], \
		565	rdx, gop_info_size, gop_info
8206	dunkaist	566	test eax, eax
		567	jz @f
		568	jmp .error
		569	@@:
8092	dunkaist	570	mov rcx, [gop_info]
		571	mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.HorizontalResolution]
		572	xor rdx, rdx
		573	mov [rdx+BOOT_LO.x_res], ax
		574	mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.VerticalResolution]
		575	mov [rdx+BOOT_LO.y_res], ax
		576	mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelsPerScanLine]
		577	shl eax, 2
		578	mov [rdx+BOOT_LO.pitch], ax
		579
9227	dunkaist	580	mov [rdx+BOOT_LO.pci_data.access_mechanism], 1
		581	movzx eax, [pci_last_bus]
		582	mov [rdx+BOOT_LO.pci_data.last_bus], al
		583	mov [rdx+BOOT_LO.pci_data.version], 0x0300 ; PCI 3.0
		584	mov [rdx+BOOT_LO.pci_data.pm_entry], 0
8092	dunkaist	585
		586	; kernel
9227	dunkaist	587	; fstcall BootServices, AllocatePages, EFI_RESERVED_MEMORY_TYPE, \
8092	dunkaist	588	; 450000/0x1000, EFI_ALLOCATE_ADDRESS
		589
		590	; ramdisk
9227	dunkaist	591	; fstcall BootServices, AllocatePages, EFI_RESERVED_MEMORY_TYPE, \
8092	dunkaist	592	; 2880*512/0x1000, EFI_ALLOCATE_ADDRESS
		593
9253	dunkaist	594	fstcall calc_memmap
9227	dunkaist	595	; fstcall dump_memmap
8206	dunkaist	596
9253	dunkaist	597	mov r10, [rbx+EFI_SYSTEM_TABLE.BootServices]
		598	fstcall [r10+EFI_BOOT_SERVICES.ExitBootServices], [efi_handle], \
8150	dunkaist	599	[memory_map_key]
9253	dunkaist	600	fstcall halt_on_error
8092	dunkaist	601
		602	cli
		603
		604	xor edx, edx
		605	xor esi, esi
9253	dunkaist	606	mov [rsi+BOOT_LO.bpp], 32
		607	mov [rsi+BOOT_LO.vesa_mode], dx
		608	mov [rsi+BOOT_LO.bank_switch], edx
8092	dunkaist	609	mov rdi, [fb_base]
9253	dunkaist	610	mov [rsi+BOOT_LO.lfb], edi
8092	dunkaist	611
		612	movzx eax, [cfg_opt_value_mtrr]
9253	dunkaist	613	mov [rsi+BOOT_LO.mtrr], al
8092	dunkaist	614
		615	movzx eax, [cfg_opt_value_launcher_start]
9253	dunkaist	616	mov [rsi+BOOT_LO.launcher_start], al
8092	dunkaist	617
		618	movzx eax, [cfg_opt_value_debug_print]
9253	dunkaist	619	mov [rsi+BOOT_LO.debug_print], al
8092	dunkaist	620
9253	dunkaist	621	mov [rsi+BOOT_LO.dma], dl
		622	mov [rsi+BOOT_LO.apm_entry], edx
		623	mov [rsi+BOOT_LO.apm_version], dx
		624	mov [rsi+BOOT_LO.apm_flags], dx
		625	mov [rsi+BOOT_LO.apm_code_32], dx
		626	mov [rsi+BOOT_LO.apm_code_16], dx
		627	mov [rsi+BOOT_LO.apm_data_16], dx
		628	mov [rsi+BOOT_LO.bios_hd_cnt], dl
8092	dunkaist	629
		630	movzx eax, [cfg_opt_value_imgfrom]
9253	dunkaist	631	mov [rsi+BOOT_LO.rd_load_from], al
8092	dunkaist	632
		633	mov eax, dword[devicesdat_size]
		634	mov [rdx+BOOT_LO.devicesdat_size], eax
		635	mov eax, dword[devicesdat_data]
		636	mov [rdx+BOOT_LO.devicesdat_data], eax
		637
		638	mov rsi, cfg_opt_value_syspath
		639	mov rdi, BOOT_LO.syspath
		640	mov ecx, 0x17
		641	rep movsb
		642
8656	dunkaist	643	; kernel trampoline
		644	mov rsi, kernel_trampoline
		645	mov rdi, KERNEL_TRAMPOLINE
		646	mov ecx, kernel_trampoline.size
		647	rep movsb
8092	dunkaist	648
8656	dunkaist	649	mov rax, GDTR
		650	lgdt [cs:rax]
		651
8092	dunkaist	652	mov ax, DATA_32_SELECTOR
		653	mov ds, ax
		654	mov es, ax
		655	mov fs, ax
		656	mov gs, ax
		657	mov ss, ax
		658
		659	push CODE_32_SELECTOR
8656	dunkaist	660	mov rax, KERNEL_TRAMPOLINE
8092	dunkaist	661	push rax
		662	retf
		663
8150	dunkaist	664	.error:
9253	dunkaist	665	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		666	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8150	dunkaist	667	msg_error
		668	jmp $
9227	dunkaist	669	endp
8092	dunkaist	670
9253	dunkaist	671	proc halt_on_error
8206	dunkaist	672	test eax, eax
		673	jz @f
		674	call clearbuf
		675	mov rdi, msg
		676	call num2hex
9253	dunkaist	677	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		678	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8206	dunkaist	679	msg_error
9253	dunkaist	680	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		681	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
8206	dunkaist	682	jmp $
		683	@@:
		684	ret
9253	dunkaist	685	endp
8206	dunkaist	686
9253	dunkaist	687	proc get_protocol_interface uses rsi rdi, _guid
		688	locals
		689	.status dq ?
		690	endl
9227	dunkaist	691	mov [_guid], rcx
		692	mov [prot_handlers_buffer_size], PROTOCOL_HANDLERS_BUFFER_SIZE
9253	dunkaist	693	mov r10, [rbx+EFI_SYSTEM_TABLE.BootServices]
		694	fstcall [r10+EFI_BOOT_SERVICES.LocateHandle], \
9227	dunkaist	695	EFI_LOCATE_SEARCH_TYPE.ByProtocol, [_guid], 0, \
		696	prot_handlers_buffer_size, prot_handlers_buffer
9253	dunkaist	697	mov [.status], rax
9227	dunkaist	698
9253	dunkaist	699	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		700	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
9227	dunkaist	701	msg_protocol_buffer_size
		702	call clearbuf
		703	mov rax, [prot_handlers_buffer_size]
		704	mov rdi, msg
		705	call num2hex
9253	dunkaist	706	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		707	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
9227	dunkaist	708
9253	dunkaist	709	mov rax, [.status]
9227	dunkaist	710	test eax, eax
		711	jz @f
		712	call clearbuf
		713	mov rdi, msg
		714	call num2hex
9253	dunkaist	715	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		716	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
9227	dunkaist	717	msg_error
9253	dunkaist	718	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		719	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
9227	dunkaist	720	jmp $
		721	@@:
		722
9253	dunkaist	723	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		724	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
9227	dunkaist	725	msg_look_for_handler
		726
9253	dunkaist	727	mov rsi, prot_handlers_buffer
9227	dunkaist	728	.try_next_handle:
9253	dunkaist	729	mov rax, rsi
9227	dunkaist	730	mov rcx, prot_handlers_buffer
		731	sub rax, rcx
		732	cmp rax, [prot_handlers_buffer_size]
		733	jb @f
9253	dunkaist	734	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		735	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
9227	dunkaist	736	msg_error_out_of_handlers
9253	dunkaist	737	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		738	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
9227	dunkaist	739	msg_error
		740	jmp $
		741	@@:
9253	dunkaist	742	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		743	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
9227	dunkaist	744	msg_query_handler
		745
9253	dunkaist	746	mov r10, [rbx+EFI_SYSTEM_TABLE.BootServices]
		747	fstcall [r10+EFI_BOOT_SERVICES.HandleProtocol], qword[rsi], [_guid], \
9227	dunkaist	748	prot_interface
		749	;mov rax, 0x8000_0000_0000_0003
		750	test eax, eax
		751	jz @f
		752	call clearbuf
		753	mov rdi, msg
		754	call num2hex
9253	dunkaist	755	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		756	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
9227	dunkaist	757
9253	dunkaist	758	add rsi, 8
9227	dunkaist	759	jmp .try_next_handle
		760	@@:
		761	mov rax, [prot_interface]
		762	ret
		763	endp
		764
		765
9253	dunkaist	766	proc find_rsdp uses rsi rdi
		767	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		768	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8206	dunkaist	769	msg_look_for_rsdp
		770
		771	mov rdi, [rbx+EFI_SYSTEM_TABLE.ConfigurationTable]
		772	mov rcx, [rbx+EFI_SYSTEM_TABLE.NumberOfTableEntries]
		773	mov rax, 0x11d3e4f18868e871
		774	mov rdx, 0x81883cc7800022bc
		775	.next_table:
		776	dec ecx
		777	js .all_tables_done
		778	cmp [rdi+0], rax
		779	jnz .not_acpi20
		780	cmp [rdi+8], rdx
		781	jnz .not_acpi20
		782	mov rax, [rdi+16]
		783	mov rdx, BOOT_LO.acpi_rsdp
		784	mov [rdx], eax
		785	jmp .all_tables_done
		786	.not_acpi20:
		787	add rdi, 24
		788	jmp .next_table
		789	.all_tables_done:
		790	ret
9253	dunkaist	791	endp
8206	dunkaist	792
9253	dunkaist	793	proc dump_pci_resources uses rsi rdi
9227	dunkaist	794	xor eax, eax
		795	mov rsi, [pcirbiop_resources]
9253	dunkaist	796	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		797	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
9227	dunkaist	798	msg_dump_pci_resources
		799	.next_resource:
		800	call clearbuf
		801	movzx eax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.Type]
		802	cmp eax, EFI_RESOURCE_DESCRIPTOR_TYPE.END_TAG
		803	jz .done
		804	mov rdi, msg
		805	call num2hex
9253	dunkaist	806	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		807	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
9227	dunkaist	808	call clearbuf
		809	movzx eax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.ResourceType]
		810	mov rdi, msg
		811	call num2dec
		812	mov rax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.RangeMinimum]
		813	mov rdi, msg+2*2
		814	call num2hex
		815	mov rax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.RangeMaximum]
		816	mov rdi, msg+19*2
		817	call num2hex
		818	mov rax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.TranslationOffset]
		819	mov rdi, msg+36*2
		820	call num2hex
		821	mov rax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.AddressLength]
		822	mov rdi, msg+53*2
		823	call num2hex
9253	dunkaist	824	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		825	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
9227	dunkaist	826	movzx eax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.Length]
		827	add eax, 3
		828	add rsi, rax
		829	jmp .next_resource
		830	.done:
		831	ret
		832	endp
		833
9253	dunkaist	834	proc calc_memmap uses rsi rdi
		835	mov r10, [rbx+EFI_SYSTEM_TABLE.BootServices]
		836	fstcall [r10+EFI_BOOT_SERVICES.AllocatePages], EFI_ALLOCATE_ANY_PAGES, \
8206	dunkaist	837	EFI_RESERVED_MEMORY_TYPE, MEMORY_MAP_SIZE/0x1000, memory_map
		838	call halt_on_error
		839
9253	dunkaist	840	mov r10, [rbx+EFI_SYSTEM_TABLE.BootServices]
		841	fstcall [r10+EFI_BOOT_SERVICES.GetMemoryMap], memory_map_size, \
8206	dunkaist	842	[memory_map], memory_map_key, descriptor_size, descriptor_ver
		843	call halt_on_error
		844
		845	mov rdi, BOOT_LO.memmap_blocks
8220	dunkaist	846	mov dword[rdi-4], 0 ; memmap_block_cnt
8206	dunkaist	847	mov rsi, [memory_map]
9253	dunkaist	848	mov r10, rsi
		849	add r10, [memory_map_size]
8206	dunkaist	850	.next_descr:
9253	dunkaist	851	fstcall add_uefi_memmap
8206	dunkaist	852	add rsi, [descriptor_size]
9253	dunkaist	853	cmp rsi, r10
8220	dunkaist	854	jb .next_descr
8206	dunkaist	855	ret
9253	dunkaist	856	endp
8206	dunkaist	857
9253	dunkaist	858	proc dump_memmap uses rsi rdi
8206	dunkaist	859	xor eax, eax
		860	mov rsi, BOOT_LO.memmap_blocks
9253	dunkaist	861	mov r12, [rax+BOOT_LO.memmap_block_cnt]
8206	dunkaist	862
		863	call clearbuf
		864	mov eax, ebx
		865	mov rdi, msg
		866	call num2dec
9253	dunkaist	867	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		868	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8206	dunkaist	869	msg_memmap
9253	dunkaist	870	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		871	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
8206	dunkaist	872	call clearbuf
		873	.next_mapping:
9253	dunkaist	874	dec r12d
8206	dunkaist	875	js .done
		876	mov rax, rsi
		877	mov rcx, BOOT_LO.memmap_blocks
		878	sub rax, rcx
		879	mov ecx, sizeof.e820entry
		880	xor edx, edx
		881	div ecx
		882	mov rdi, msg
		883	call num2dec
		884	mov rax, [rsi+e820entry.addr]
		885	mov rdi, msg+4*2
		886	call num2hex
		887	mov rax, [rsi+e820entry.size]
		888	mov rdi, msg+24*2
		889	call num2hex
9253	dunkaist	890	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		891	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
8206	dunkaist	892	add rsi, sizeof.e820entry
		893	jmp .next_mapping
		894	.done:
		895	ret
9227	dunkaist	896	endp
8206	dunkaist	897
8092	dunkaist	898	; linux/arch/x86/platform/efi/efi.c
		899	; do_add_efi_memmap
9253	dunkaist	900	proc add_uefi_memmap
8220	dunkaist	901	xor eax, eax
		902	cmp [rax+BOOT_LO.memmap_block_cnt], MAX_MEMMAP_BLOCKS
		903	jz .done
8092	dunkaist	904
8220	dunkaist	905	mov rax, [rsi+EFI_MEMORY_DESCRIPTOR.PhysicalStart]
		906	mov [rdi+e820entry.addr], rax
8092	dunkaist	907
8220	dunkaist	908	mov rax, [rsi+EFI_MEMORY_DESCRIPTOR.NumberOfPages]
8092	dunkaist	909	shl rax, 12
		910	mov [rdi+e820entry.size], rax
		911
8220	dunkaist	912	mov ecx, [rsi+EFI_MEMORY_DESCRIPTOR.Type]
		913	cmp ecx, EFI_LOADER_CODE
		914	jz .mem_ram_if_wb
		915	cmp ecx, EFI_LOADER_DATA
		916	jz .mem_ram_if_wb
		917	cmp ecx, EFI_BOOT_SERVICES_CODE
		918	jz .mem_ram_if_wb
		919	cmp ecx, EFI_BOOT_SERVICES_DATA
		920	jz .mem_ram_if_wb
		921	cmp ecx, EFI_CONVENTIONAL_MEMORY
		922	jz .mem_ram_if_wb
		923	cmp ecx, EFI_ACPI_RECLAIM_MEMORY
8092	dunkaist	924	mov eax, E820_ACPI
8220	dunkaist	925	jz .type_done
		926	cmp ecx, EFI_ACPI_MEMORY_NVS
8092	dunkaist	927	mov eax, E820_NVS
8220	dunkaist	928	jz .type_done
		929	cmp ecx, EFI_UNUSABLE_MEMORY
8092	dunkaist	930	mov eax, E820_UNUSABLE
8220	dunkaist	931	jz .type_done
		932	cmp ecx, EFI_PERSISTENT_MEMORY
8092	dunkaist	933	mov eax, E820_PMEM
8220	dunkaist	934	jz .type_done
		935	jmp .reserved
		936	.mem_ram_if_wb:
		937	test [rsi+EFI_MEMORY_DESCRIPTOR.Attribute], dword EFI_MEMORY_WB
		938	mov eax, E820_RAM
		939	jnz .type_done
		940	.reserved:
8092	dunkaist	941	mov eax, E820_RESERVED
8220	dunkaist	942	.type_done:
		943	mov [rdi+e820entry.type], eax
		944	cmp eax, E820_RAM
		945	jnz @f
		946	xor eax, eax
		947	inc [rax+BOOT_LO.memmap_block_cnt]
		948	add rdi, sizeof.e820entry
		949	@@:
8150	dunkaist	950	.done:
8092	dunkaist	951	ret
9253	dunkaist	952	endp
8092	dunkaist	953
		954	num2dec:
9253	dunkaist	955	push rbx rcx rdx rdi
8092	dunkaist	956
		957	xor ecx, ecx
		958	mov ebx, 10
8150	dunkaist	959	.next_digit:
8092	dunkaist	960	xor edx, edx
		961	div ebx
		962	push rdx
		963	inc ecx
		964	test eax, eax
		965	jnz .next_digit
		966
8150	dunkaist	967	.next_char:
8092	dunkaist	968	pop rax
		969	add eax, '0'
		970	stosw
		971	loop .next_char
		972
9253	dunkaist	973	pop rdi rdx rcx rbx
8092	dunkaist	974	ret
		975
		976
		977	num2hex:
9253	dunkaist	978	push rbx rcx rdx rdi
8092	dunkaist	979
		980	xchg rdx, rax
		981	mov ecx, 16
8150	dunkaist	982	.next_tetra:
8092	dunkaist	983	rol rdx, 4
		984	movzx eax, dl
		985	and eax, 0x0f
9253	dunkaist	986	movzx eax, byte[hex_abc+eax]
8092	dunkaist	987	stosw
		988	loop .next_tetra
		989
9253	dunkaist	990	pop rdi rdx rcx rbx
8092	dunkaist	991	ret
		992
		993	clearbuf:
9253	dunkaist	994	push rcx rdi
		995	mov eax, ' '
8092	dunkaist	996	mov ecx, 79
		997	mov rdi, msg
		998	rep stosw
9253	dunkaist	999	pop rdi rcx
8092	dunkaist	1000	ret
		1001
8656	dunkaist	1002	use32
		1003	kernel_trampoline:
		1004	org KERNEL_TRAMPOLINE
		1005	mov eax, cr0
		1006	and eax, not CR0_PG
		1007	mov cr0, eax
		1008
		1009	mov ecx, MSR_AMD_EFER
		1010	rdmsr
		1011	btr eax, 8 ; LME
		1012	wrmsr
		1013
		1014	mov eax, cr4
		1015	and eax, not CR4_PAE
		1016	mov cr4, eax
		1017
		1018	push KERNEL_BASE
		1019	retn
		1020
8284	dunkaist	1021	align 16
8092	dunkaist	1022	GDTR:
		1023	dw 4*8-1
		1024	dq GDT
8284	dunkaist	1025	align 16
8092	dunkaist	1026	GDT:
		1027	dw 0, 0, 0, 0
		1028	dw 0FFFFh,0,9A00h,0CFh ; 32-bit code
		1029	dw 0FFFFh,0,9200h,0CFh ; flat data
		1030	dw 0FFFFh,0,9A00h,0AFh ; 64-bit code
8656	dunkaist	1031	assert $ < BOOT_LO
		1032	kernel_trampoline.size = $ - KERNEL_TRAMPOLINE
8092	dunkaist	1033
8656	dunkaist	1034	section '.rodata' data readable
9227	dunkaist	1035	gop_guid db EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID
		1036	lip_guid db EFI_LOADED_IMAGE_PROTOCOL_GUID
		1037	sfsp_guid db EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID
		1038	pcirbiop_guid db EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_GUID
8092	dunkaist	1039
8150	dunkaist	1040	file_name du '\EFI\KOLIBRIOS\KOLIBRI.INI',0
		1041	kernel_name du '\EFI\KOLIBRIOS\KOLIBRI.KRN',0
		1042	ramdisk_name du '\EFI\KOLIBRIOS\KOLIBRI.IMG',0
		1043	devicesdat_name du '\EFI\KOLIBRIOS\DEVICES.DAT',0
8092	dunkaist	1044
		1045	config_options dq cfg_opt_name_resolution, cfg_opt_func_resolution, \
		1046	cfg_opt_cmnt_resolution, \
		1047	cfg_opt_name_acpi, cfg_opt_func_acpi, cfg_opt_cmnt_acpi, \
		1048	cfg_opt_name_debug_print, cfg_opt_func_debug_print, \
		1049	cfg_opt_cmnt_debug_print, \
		1050	cfg_opt_name_launcher_start, cfg_opt_func_launcher_start, \
		1051	cfg_opt_cmnt_launcher_start, \
		1052	cfg_opt_name_mtrr, cfg_opt_func_mtrr, cfg_opt_cmnt_mtrr, \
		1053	cfg_opt_name_ask_params, cfg_opt_func_ask_params, \
		1054	cfg_opt_cmnt_ask_params, \
		1055	cfg_opt_name_imgfrom, cfg_opt_func_imgfrom, \
		1056	cfg_opt_cmnt_imgfrom, \
		1057	cfg_opt_name_syspath, cfg_opt_func_syspath, \
		1058	cfg_opt_cmnt_syspath, \
		1059
		1060
8150	dunkaist	1061	cfg_opt_name_resolution db "resolution",0
		1062	cfg_opt_name_acpi db "acpi",0
		1063	cfg_opt_name_debug_print db "debug_print",0
		1064	cfg_opt_name_launcher_start db "launcher_start",0
		1065	cfg_opt_name_mtrr db "mtrr",0
		1066	cfg_opt_name_ask_params db "ask_params",0
		1067	cfg_opt_name_imgfrom db "imgfrom",0
		1068	cfg_opt_name_syspath db "syspath",0
8092	dunkaist	1069
8150	dunkaist	1070	cfg_opt_cmnt_resolution db "# Graphic mode",0
		1071	cfg_opt_cmnt_acpi db "# ACPI settings",0xa, \
		1072	"# 0: don't use",0xa, \
		1073	"# 1: parse ACPI tables",0xa, \
		1074	"# 2: + call _PIC method",0xa, \
		1075	"# 3: + get APIC interrupts",0xa,0
		1076	cfg_opt_cmnt_debug_print db "# Duplicate debug output to the screen",0
8092	dunkaist	1077	cfg_opt_cmnt_launcher_start db "# Start LAUNCHER app after kernel is loaded",0
8150	dunkaist	1078	cfg_opt_cmnt_mtrr db "# Configure MTRR's",0
		1079	cfg_opt_cmnt_ask_params db "# Interrupt booting to ask the user for boot", \
		1080	" params",0
		1081	cfg_opt_cmnt_imgfrom db "# Where to load ramdisk image from",0
		1082	cfg_opt_cmnt_syspath db "# Path to /sys directory",0
8092	dunkaist	1083
8150	dunkaist	1084	msg_u4k_loaded du "uefi64kos loaded",13,10,0
9227	dunkaist	1085	msg_detect_pci_config du "Detect PCI configuration",13,10,0
		1086	msg_dump_pci_resources du "Dump PCI resources",13,10,0
		1087	msg_pci_last_bus du "Last PCI bus",13,10,0
8150	dunkaist	1088	msg_read_options du "Read options from config file",13,10,0
8206	dunkaist	1089	msg_file_size du "File size:",13,10,0
		1090	msg_parsing_config du "Parsing config file",13,10,0
8150	dunkaist	1091	msg_load_kernel du "Load kernel",13,10,0
		1092	msg_load_ramdisk du "Load ramdisk",13,10,0
		1093	msg_load_devicesdat du "Load DEVICES.DAT",13,10,0
		1094	msg_alloc_devicesdat du "Allocate memory for DEVICES.DAT",13,10,0
9227	dunkaist	1095	msg_locate_gop_interface du "Locate GOP interface",13,10,0
		1096	msg_look_for_handler du "Look for protocol handler",13,10,0
8150	dunkaist	1097	msg_query_handler du "Query handler",13,10,0
		1098	msg_query_vmode du "Query vmode",13,10,0
		1099	msg_vmode_found du "Video mode found",13,10,0
		1100	msg_look_for_rsdp du "Look for RSDP",13,10,0
		1101	msg_rsdp_found du "RSDP found",13,10,0
		1102	msg_acpi_tables_done du "ACPI tables done",13,10,0
		1103	msg_ask_for_params du "Ask for params",13,10,0
		1104	msg_set_graphic_mode du "Set graphic mode",13,10,0
		1105	msg_success du "Success!",13,10,0
9227	dunkaist	1106	msg_protocol_buffer_size du "Protocol buffer size",13,10,0
8206	dunkaist	1107	msg_opt_resolution du "Option resolution: ",0
		1108	msg_memmap du "Memmap",13,10,0
8150	dunkaist	1109	msg_error du "Error!",13,10,0
8206	dunkaist	1110	msg_error_efi_lip_handle du "efi_handle can't handle LIP",13,10,0
		1111	msg_error_lip_dev_sfsp du "LIP device handle can't handle SFSP",13,10,0
		1112	msg_error_sfsp_openvolume du "SFSP OpenVolume failed",13,10,0
8150	dunkaist	1113	msg_error_no_such_vmode du "No such vmode",13,10,0
		1114	msg_error_out_of_handlers du "Out of handlers",13,10,0
		1115	msg_error_open_file du "Error: can't open file ",0
8206	dunkaist	1116	msg_error_exit_boot_services du "Error: Exit boot services",13,10,0
8150	dunkaist	1117	msg du 79 dup " ",13,10,0
9253	dunkaist	1118	msg_debug du "Debug ",13,10,0
8092	dunkaist	1119
8284	dunkaist	1120	section '.data' data readable writeable
		1121	efi_handle dq 0
		1122	efi_table dq 0
		1123
		1124	fb_base dq 0
		1125
		1126	gop_interface dq 0
		1127	gop_info_size dq 0
		1128	gop_info dq 0
		1129
		1130	lip_interface dq 0
		1131
		1132	sfsp_interface dq 0
		1133
9227	dunkaist	1134	pci_last_bus db 254
		1135
8284	dunkaist	1136	cfg_opt_used_resolution db 0
		1137	cfg_opt_used_acpi db 0
		1138	cfg_opt_used_debug_print db 0
		1139	cfg_opt_used_launcher_start db 0
		1140	cfg_opt_used_mtrr db 0
		1141	cfg_opt_used_ask_params db 0
		1142	cfg_opt_used_imgfrom db 0
		1143	cfg_opt_used_syspath db 0
		1144
		1145	cfg_opt_value_vmode db 0
		1146	cfg_opt_value_acpi db 0
		1147	cfg_opt_value_debug_print db 0
		1148	cfg_opt_value_launcher_start db 1
		1149	cfg_opt_value_mtrr db 0
		1150	cfg_opt_value_ask_params db 0
		1151	cfg_opt_value_imgfrom db RD_LOAD_FROM_MEMORY
		1152	cfg_opt_value_syspath db "/RD/1",0
		1153	rb 20
		1154
		1155	memory_map_key dq 0
		1156	descriptor_size dq 0
		1157	descriptor_ver dq 0
		1158	memory_map_size dq MEMORY_MAP_SIZE
		1159
8092	dunkaist	1160	efi_fs_info_id db EFI_FILE_SYSTEM_INFO_ID
		1161	efi_fs_info_size dq sizeof.EFI_FILE_SYSTEM_INFO
9253	dunkaist	1162
		1163	devicesdat_data dq 0xffffffff
		1164	devicesdat_size dq 0x1000
		1165
		1166	hex_abc db '0123456789ABCDEF'
		1167
		1168	section '.bss' data readable writeable discardable
		1169	prot_handlers_buffer_size dq ?
		1170	prot_interface dq ?
		1171	esp_root dq ?
		1172	file_handle dq ?
		1173	pcirbiop_interface dq ?
		1174	pcirbiop_resources dq ?
8092	dunkaist	1175	efi_fs_info EFI_FILE_SYSTEM_INFO
		1176	memory_map dq ?
9227	dunkaist	1177	prot_handlers_buffer rq PROTOCOL_HANDLERS_BUFFER_SIZE/8
		1178	pcirbio_buffer rq PROTOCOL_HANDLERS_BUFFER_SIZE/8
8092	dunkaist	1179
		1180	section '.reloc' fixups data discardable

Subversion Repositories Kolibri OS

(root)/kernel/trunk/bootloader/uefi4kos/uefi64kos.asm – Rev 9253