WebSVN – Kolibri OS – Blame – /kernel/trunk/bootloader/uefi4kos/uefi64kos.asm

Rev	Author	Line No.	Line
8150	dunkaist	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
9958	dunkaist	3	;; Copyright (C) KolibriOS team 2020-2024. 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
8284	dunkaist	31	MAX_FILE_SIZE = 0x10000000
8092	dunkaist	32
		33	CODE_32_SELECTOR = 8
		34	DATA_32_SELECTOR = 16
		35	CODE_64_SELECTOR = 24
		36
		37	; linux/arch/x86/include/uapi/asm/e820.h
		38	E820_RAM = 1
		39	E820_RESERVED = 2
		40	E820_ACPI = 3
		41	E820_NVS = 4
		42	E820_UNUSABLE = 5
		43	E820_PMEM = 7
		44
9253	dunkaist	45	proc load_file _root, _name, _buffer, _size, _fatal
		46	mov [_root], rcx
		47	mov [_name], rdx
		48	mov [_buffer], r8
		49	mov [_size], r9
		50	mov r10, [_root]
		51	mov r11, [_name]
9227	dunkaist	52	fstcall [r10+EFI_FILE_PROTOCOL.Open], r10, file_handle, \
		53	r11, EFI_FILE_MODE_READ, 0
8206	dunkaist	54	test eax, eax
8092	dunkaist	55	jz @f
9958	dunkaist	56	mov [_size], 0
9253	dunkaist	57	cmp [_fatal], 1
8092	dunkaist	58	jnz .done
9253	dunkaist	59	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		60	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8150	dunkaist	61	msg_error_open_file
9253	dunkaist	62	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		63	mov rdx, [_name]
		64	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, [_name]
8092	dunkaist	65	jmp $
		66	@@:
9253	dunkaist	67	lea rdx, [_size]
		68	mov r8, [_buffer]
9227	dunkaist	69	mov r10, [file_handle]
		70	fstcall [r10+EFI_FILE_PROTOCOL.Read], [file_handle], rdx, r8
		71	mov r10, [file_handle]
		72	fstcall [r10+EFI_FILE_PROTOCOL.Close], [file_handle]
8092	dunkaist	73	.done:
8206	dunkaist	74	call clearbuf
9286	dunkaist	75	mov rax, [_size]
8206	dunkaist	76	mov rdi, msg
		77	call num2dec
9253	dunkaist	78	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		79	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8206	dunkaist	80	msg_file_size
9253	dunkaist	81	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		82	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
9286	dunkaist	83	mov rax, [_size]
9253	dunkaist	84	ret
		85	endp
8092	dunkaist	86
		87	skip_whitespace:
		88	.next_char:
		89	cmp byte[rsi], 0
		90	jz .done
		91	cmp byte[rsi], 0x20 ; ' '
		92	jz .whitespace
		93	cmp byte[rsi], 9 ; '\t'
		94	jz .whitespace
		95	jmp .done
		96	.whitespace:
		97	inc rsi
		98	jmp .next_char
		99	.done:
		100	ret
		101
		102	skip_until_newline:
		103	.next_char:
		104	cmp byte[rsi], 0
		105	jz .done
		106	cmp byte[rsi], 0xd ; '\r'
		107	jz .done
		108	cmp byte[rsi], 0xa ; '\n'
		109	jz .done
		110	inc rsi
		111	jmp .next_char
		112	.done:
		113	ret
		114
		115	skip_newline:
		116	.next_char:
		117	cmp byte[rsi], 0xd ; '\r'
		118	jz .newline
		119	cmp byte[rsi], 0xa ; '\n'
		120	jz .newline
		121	jmp .done
		122	.newline:
		123	inc rsi
		124	jmp .next_char
		125	.done:
		126	ret
		127
		128	skip_line:
		129	call skip_until_newline
		130	call skip_newline
		131	ret
		132
		133	dec2bin:
9977	rgimad	134	xor edx, edx
8092	dunkaist	135	.next_char:
		136	movzx eax, byte[rsi]
		137	test eax, eax
		138	jz .done
		139	sub eax, '0'
		140	jb .done
		141	cmp eax, 9
		142	ja .done
		143	inc rsi
		144	imul edx, 10
		145	add edx, eax
		146	jmp .next_char
		147	.done:
		148	mov eax, edx
		149	ret
		150
		151	parse_option:
		152	mov rbx, config_options-3*8
		153	.try_next_option:
		154	add rbx, 3*8
		155	mov rdi, rsi
		156	mov rdx, [rbx] ; option name
		157	test rdx, rdx
		158	jz .done
		159	.next_char:
		160	cmp byte[rdx], 0
		161	jnz @f
		162	cmp byte[rdi], '='
		163	jz .opt_name_ok
		164	@@:
		165	cmp byte[rdi], 0
		166	jz .done
		167	movzx eax, byte[rdi]
		168	cmp [rdx], al
		169	jnz .try_next_option
		170	inc rdi
		171	inc rdx
		172	jmp .next_char
		173	.opt_name_ok:
		174	inc rdi
		175	mov rsi, rdi
		176	call qword[rbx+8]
		177	.done:
		178	ret
		179
		180	parse_line:
		181	.next_line:
		182	cmp byte[rsi], 0
		183	jz .done
		184	cmp byte[rsi], 0xd ; '\r'
		185	jz .skip
		186	cmp byte[rsi], 0xa ; '\n'
		187	jz .skip
		188	cmp byte[rsi], '#'
		189	jz .skip
		190	call parse_option
		191	call skip_line
		192	jmp .next_line
		193	.skip:
		194	call skip_line
		195	jmp .next_line
		196	.done:
		197	ret
		198
		199	cfg_opt_func_resolution:
		200	call dec2bin
		201	xor edx, edx
		202	mov [rdx+BOOT_LO.x_res], ax
		203	cmp byte[rsi], 'x'
		204	jz @f
		205	cmp byte[rsi], '*'
		206	jz @f
		207	jmp .done
		208	@@:
		209	inc rsi
		210	call dec2bin
		211	xor edx, edx
		212	mov [rdx+BOOT_LO.y_res], ax
		213	mov [cfg_opt_used_resolution], 1
		214	.done:
		215	ret
		216
		217	cfg_opt_func_acpi:
		218	call dec2bin
		219	mov [cfg_opt_used_acpi], 1
		220	mov [cfg_opt_value_acpi], al
		221	ret
		222
		223	cfg_opt_func_debug_print:
		224	call dec2bin
		225	mov [cfg_opt_used_debug_print], 1
		226	mov [cfg_opt_value_debug_print], al
		227	ret
		228
		229	cfg_opt_func_launcher_start:
		230	call dec2bin
		231	mov [cfg_opt_used_launcher_start], 1
		232	mov [cfg_opt_value_launcher_start], al
		233	ret
		234
		235	cfg_opt_func_mtrr:
		236	call dec2bin
		237	mov [cfg_opt_used_mtrr], 1
		238	mov [cfg_opt_value_mtrr], al
		239	ret
		240
		241	cfg_opt_func_ask_params:
		242	call dec2bin
		243	mov [cfg_opt_used_ask_params], 1
		244	mov [cfg_opt_value_ask_params], al
		245	ret
		246
		247	cfg_opt_func_imgfrom:
		248	call dec2bin
		249	mov [cfg_opt_used_imgfrom], 1
		250	mov [cfg_opt_value_imgfrom], al
		251	ret
		252
		253	cfg_opt_func_syspath:
		254	mov rdi, cfg_opt_value_syspath
		255	.next_char:
		256	movzx eax, byte[rsi]
		257	cmp al, 0xd ; \r
		258	jz .done
		259	cmp al, 0xa ; \n
		260	jz .done
		261	inc rsi
		262	stosb
		263	jmp .next_char
		264	.done:
		265	mov byte[rdi], 0
		266	ret
		267
9253	dunkaist	268	proc parse_config uses rbx rsi rdi, _buffer
		269	mov rsi, rcx
		270	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		271	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8206	dunkaist	272	msg_parsing_config
8092	dunkaist	273	.next_line:
		274	call parse_line
		275	cmp byte[rsi], 0
		276	jnz .next_line
9253	dunkaist	277	ret
		278	endp
8092	dunkaist	279
9253	dunkaist	280	proc read_options_from_config
		281	mov r10, [rbx+EFI_SYSTEM_TABLE.BootServices]
		282	fstcall [r10+EFI_BOOT_SERVICES.HandleProtocol], [efi_handle], \
		283	lip_guid, lip_interface
8206	dunkaist	284	test eax, eax
		285	jz @f
9253	dunkaist	286	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		287	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8206	dunkaist	288	msg_error_efi_lip_handle
		289	jmp $
		290	@@:
9253	dunkaist	291	mov r11, [lip_interface]
		292	mov r10, [rbx+EFI_SYSTEM_TABLE.BootServices]
		293	fstcall [r10+EFI_BOOT_SERVICES.HandleProtocol], \
		294	[r11+EFI_LOADED_IMAGE_PROTOCOL.DeviceHandle], sfsp_guid, \
8092	dunkaist	295	sfsp_interface
8206	dunkaist	296	test eax, eax
		297	jz @f
9958	dunkaist	298	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9253	dunkaist	299	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8206	dunkaist	300	msg_error_lip_dev_sfsp
		301	jmp $
		302	@@:
9227	dunkaist	303	mov r10, [sfsp_interface]
		304	fstcall [r10+EFI_SIMPLE_FILE_SYSTEM_PROTOCOL.OpenVolume], \
8092	dunkaist	305	[sfsp_interface], esp_root
8206	dunkaist	306	test eax, eax
		307	jz @f
9253	dunkaist	308	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		309	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8206	dunkaist	310	msg_error_sfsp_openvolume
		311	jmp $
		312	@@:
9253	dunkaist	313	fstcall load_file, [esp_root], file_name, KERNEL_BASE, \
		314	FILE_BUFFER_SIZE, 0 ; not fatal
8092	dunkaist	315
		316	test eax, eax
		317	jz @f
9253	dunkaist	318	fstcall parse_config, KERNEL_BASE
8092	dunkaist	319	@@:
		320
		321	.error:
		322	ret
9253	dunkaist	323	endp
8092	dunkaist	324
9253	dunkaist	325	proc print_vmode uses rax rbx rcx rdx rsi rdi
		326	mov r10, rcx
8150	dunkaist	327	call clearbuf
9253	dunkaist	328	mov eax, [r10+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.HorizontalResolution]
8150	dunkaist	329	mov rdi, msg
		330	call num2dec
9253	dunkaist	331	mov eax, [r10+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.VerticalResolution]
8150	dunkaist	332	mov rdi, msg+8*2
		333	call num2dec
		334
9253	dunkaist	335	mov eax, [r10+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelFormat]
8150	dunkaist	336	mov rdi, msg+16*2
		337	call num2dec
		338
9253	dunkaist	339	mov eax, [r10+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelsPerScanLine]
8150	dunkaist	340	mov rdi, msg+24*2
		341	call num2dec
9253	dunkaist	342	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		343	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
8150	dunkaist	344	ret
9253	dunkaist	345	endp
8150	dunkaist	346
9253	dunkaist	347	proc find_vmode_index_by_resolution
8092	dunkaist	348	mov [cfg_opt_used_resolution], 1
		349	mov [cfg_opt_value_vmode], 0
8150	dunkaist	350	.next_mode:
9227	dunkaist	351	movzx edx, [cfg_opt_value_vmode]
		352	mov r10, [gop_interface]
		353	fstcall [r10+EFI_GRAPHICS_OUTPUT_PROTOCOL.QueryMode], [gop_interface], \
		354	rdx, gop_info_size, gop_info
8092	dunkaist	355	cmp rax, EFI_SUCCESS
		356	jnz .error
		357	mov rcx, [gop_info]
9253	dunkaist	358	fstcall print_vmode
8092	dunkaist	359	; PixelBlueGreenRedReserved8BitPerColor
		360	cmp [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelFormat], 1
		361	jnz .skip_mode
		362	xor edx, edx
		363	mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.HorizontalResolution]
		364	cmp ax, [rdx+BOOT_LO.x_res]
		365	jnz .skip_mode
		366	mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.VerticalResolution]
		367	cmp ax, [rdx+BOOT_LO.y_res]
		368	jnz .skip_mode
		369	jmp .done
8150	dunkaist	370	.skip_mode:
8092	dunkaist	371	inc [cfg_opt_value_vmode]
		372	movzx eax, [cfg_opt_value_vmode]
		373	mov rcx, [gop_interface]
		374	mov rdx, [rcx+EFI_GRAPHICS_OUTPUT_PROTOCOL.Mode]
8284	dunkaist	375	cmp eax, [rdx+EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.MaxMode]
8092	dunkaist	376	jnz .next_mode
		377	mov [cfg_opt_used_resolution], 0
		378	mov [cfg_opt_value_ask_params], 1
8150	dunkaist	379
9253	dunkaist	380	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		381	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8150	dunkaist	382	msg_error_no_such_vmode
9253	dunkaist	383	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		384	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8206	dunkaist	385	msg_error
8150	dunkaist	386	jmp $
8092	dunkaist	387	.error:
		388	.done:
		389	ret
9253	dunkaist	390	endp
8092	dunkaist	391
		392	ask_for_params:
9253	dunkaist	393	jmp $
8150	dunkaist	394
9253	dunkaist	395	proc detect_pci_config
9227	dunkaist	396	fstcall get_protocol_interface, pcirbiop_guid
		397	mov [pcirbiop_interface], rax
		398	mov r10, rax
		399	fstcall [r10+EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL.Configuration], r10, \
		400	pcirbiop_resources
		401	; fstcall dump_pci_resources
		402	fstcall get_last_pci_bus
		403	call clearbuf
		404	movzx eax, [pci_last_bus]
		405	mov rdi, msg
		406	call num2hex
9253	dunkaist	407	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		408	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
9227	dunkaist	409	msg_pci_last_bus
9253	dunkaist	410	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		411	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
9227	dunkaist	412	ret
9253	dunkaist	413	endp
9227	dunkaist	414
		415	proc get_last_pci_bus
		416	mov rsi, [pcirbiop_resources]
		417	.next_resource:
		418	cmp [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.Type], \
		419	EFI_RESOURCE_DESCRIPTOR_TYPE.END_TAG
		420	jz .not_found
		421	mov rax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.RangeMaximum]
		422	cmp [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.ResourceType], \
		423	EFI_RESOURCE_TYPE.BUS
		424	jz .found
		425	movzx eax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.Length]
		426	lea rsi, [rsi+rax+3]
		427	jmp .next_resource
		428	.found:
		429	mov [pci_last_bus], al
		430	.not_found:
		431	ret
		432	endp
		433
		434	proc main _efi_handle, _efi_table
8150	dunkaist	435	mov [efi_handle], rcx
		436	mov [efi_table], rdx
9253	dunkaist	437	mov rbx, rdx
8092	dunkaist	438
9253	dunkaist	439	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		440	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.Reset], rcx, 1
8150	dunkaist	441	test eax, eax
9253	dunkaist	442	jnz $ ; what can I do here?
		443	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		444	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8150	dunkaist	445	msg_u4k_loaded
8092	dunkaist	446
9253	dunkaist	447	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		448	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
9227	dunkaist	449	msg_detect_pci_config
9253	dunkaist	450	fstcall detect_pci_config
9227	dunkaist	451
9253	dunkaist	452	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		453	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8150	dunkaist	454	msg_read_options
9253	dunkaist	455	fstcall read_options_from_config
8092	dunkaist	456
		457	; read kernel file
9253	dunkaist	458	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		459	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8150	dunkaist	460	msg_load_kernel
9253	dunkaist	461	fstcall load_file, [esp_root], kernel_name, KERNEL_BASE, \
		462	MAX_FILE_SIZE, 1 ; fatal
8092	dunkaist	463
		464	; read ramdisk image
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_ramdisk
9253	dunkaist	468	fstcall load_file, [esp_root], ramdisk_name, RAMDISK_BASE, \
		469	MAX_FILE_SIZE, 1 ; fatal
8092	dunkaist	470
		471	; alloc buffer for devices.dat
9253	dunkaist	472	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		473	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8150	dunkaist	474	msg_alloc_devicesdat
9253	dunkaist	475	mov r10, [rbx+EFI_SYSTEM_TABLE.BootServices]
		476	fstcall [r10+EFI_BOOT_SERVICES.AllocatePages], \
8150	dunkaist	477	EFI_ALLOCATE_MAX_ADDRESS, EFI_RESERVED_MEMORY_TYPE, 1, \
		478	devicesdat_data
8092	dunkaist	479	cmp eax, EFI_SUCCESS
		480	jnz .error
		481
		482	; read devices.dat
9253	dunkaist	483	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		484	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8150	dunkaist	485	msg_load_devicesdat
		486
9253	dunkaist	487	fstcall load_file, [esp_root], devicesdat_name, [devicesdat_data], \
		488	[devicesdat_size], 0 ; not fatal
8092	dunkaist	489	mov [devicesdat_size], rax
		490
9253	dunkaist	491	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		492	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
9227	dunkaist	493	msg_locate_gop_interface
8150	dunkaist	494
9227	dunkaist	495	fstcall get_protocol_interface, gop_guid
		496	mov [gop_interface], rax
8150	dunkaist	497
9253	dunkaist	498	fstcall find_rsdp
8150	dunkaist	499
9253	dunkaist	500	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		501	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8150	dunkaist	502	msg_acpi_tables_done
		503
8092	dunkaist	504	cmp [cfg_opt_used_resolution], 0
		505	jz .not_used_resolution
9253	dunkaist	506	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		507	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8150	dunkaist	508	msg_opt_resolution
		509	call clearbuf
		510	xor edx, edx
		511	movzx eax, [rdx+BOOT_LO.x_res]
		512	mov rdi, msg
		513	call num2dec
		514	xor edx, edx
		515	movzx eax, [rdx+BOOT_LO.y_res]
		516	mov rdi, msg+8*2
		517	call num2dec
9253	dunkaist	518	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		519	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
		520	fstcall find_vmode_index_by_resolution
8092	dunkaist	521	.not_used_resolution:
		522	cmp [cfg_opt_used_debug_print], 0
		523	jz .not_used_debug_print
		524	movzx eax, [cfg_opt_value_debug_print]
		525	xor edx, edx
		526	mov [rdx+BOOT_LO.debug_print], al
		527	.not_used_debug_print:
		528
		529	cmp [cfg_opt_value_ask_params], 0
		530	jz @f
		531	call ask_for_params
		532	@@:
		533
9227	dunkaist	534	movzx edx, [cfg_opt_value_vmode]
		535	mov r10, [gop_interface]
		536	fstcall [r10+EFI_GRAPHICS_OUTPUT_PROTOCOL.SetMode], [gop_interface], rdx
8150	dunkaist	537	test eax, eax
		538	jz @f
		539	call clearbuf
		540	mov rdi, msg
		541	call num2hex
9253	dunkaist	542	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		543	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
		544	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		545	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8206	dunkaist	546	msg_error
8150	dunkaist	547	jmp $
		548	@@:
8092	dunkaist	549
		550	mov rcx, [gop_interface]
		551	mov rdx, [rcx+EFI_GRAPHICS_OUTPUT_PROTOCOL.Mode]
		552	mov rdi, [rdx+EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.FrameBufferBase]
		553	mov [fb_base], rdi
		554
9253	dunkaist	555	mov edx, [rdx+EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.Mode]
		556	mov r10, [gop_interface]
		557	fstcall [r10+EFI_GRAPHICS_OUTPUT_PROTOCOL.QueryMode], [gop_interface], \
		558	rdx, gop_info_size, gop_info
8206	dunkaist	559	test eax, eax
		560	jz @f
		561	jmp .error
		562	@@:
8092	dunkaist	563	mov rcx, [gop_info]
		564	mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.HorizontalResolution]
		565	xor rdx, rdx
		566	mov [rdx+BOOT_LO.x_res], ax
		567	mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.VerticalResolution]
		568	mov [rdx+BOOT_LO.y_res], ax
		569	mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelsPerScanLine]
		570	shl eax, 2
		571	mov [rdx+BOOT_LO.pitch], ax
		572
9227	dunkaist	573	mov [rdx+BOOT_LO.pci_data.access_mechanism], 1
		574	movzx eax, [pci_last_bus]
		575	mov [rdx+BOOT_LO.pci_data.last_bus], al
		576	mov [rdx+BOOT_LO.pci_data.version], 0x0300 ; PCI 3.0
		577	mov [rdx+BOOT_LO.pci_data.pm_entry], 0
8092	dunkaist	578
		579	; kernel
9227	dunkaist	580	; fstcall BootServices, AllocatePages, EFI_RESERVED_MEMORY_TYPE, \
8092	dunkaist	581	; 450000/0x1000, EFI_ALLOCATE_ADDRESS
		582
		583	; ramdisk
9227	dunkaist	584	; fstcall BootServices, AllocatePages, EFI_RESERVED_MEMORY_TYPE, \
8092	dunkaist	585	; 2880*512/0x1000, EFI_ALLOCATE_ADDRESS
		586
9253	dunkaist	587	fstcall calc_memmap
9227	dunkaist	588	; fstcall dump_memmap
8206	dunkaist	589
9253	dunkaist	590	mov r10, [rbx+EFI_SYSTEM_TABLE.BootServices]
		591	fstcall [r10+EFI_BOOT_SERVICES.ExitBootServices], [efi_handle], \
8150	dunkaist	592	[memory_map_key]
9253	dunkaist	593	fstcall halt_on_error
8092	dunkaist	594
		595	cli
		596
		597	xor edx, edx
		598	xor esi, esi
9253	dunkaist	599	mov [rsi+BOOT_LO.bpp], 32
		600	mov [rsi+BOOT_LO.vesa_mode], dx
		601	mov [rsi+BOOT_LO.bank_switch], edx
8092	dunkaist	602	mov rdi, [fb_base]
9253	dunkaist	603	mov [rsi+BOOT_LO.lfb], edi
8092	dunkaist	604
		605	movzx eax, [cfg_opt_value_mtrr]
9253	dunkaist	606	mov [rsi+BOOT_LO.mtrr], al
8092	dunkaist	607
		608	movzx eax, [cfg_opt_value_launcher_start]
9253	dunkaist	609	mov [rsi+BOOT_LO.launcher_start], al
8092	dunkaist	610
		611	movzx eax, [cfg_opt_value_debug_print]
9253	dunkaist	612	mov [rsi+BOOT_LO.debug_print], al
8092	dunkaist	613
9253	dunkaist	614	mov [rsi+BOOT_LO.dma], dl
		615	mov [rsi+BOOT_LO.apm_entry], edx
		616	mov [rsi+BOOT_LO.apm_version], dx
		617	mov [rsi+BOOT_LO.apm_flags], dx
		618	mov [rsi+BOOT_LO.apm_code_32], dx
		619	mov [rsi+BOOT_LO.apm_code_16], dx
		620	mov [rsi+BOOT_LO.apm_data_16], dx
		621	mov [rsi+BOOT_LO.bios_hd_cnt], dl
8092	dunkaist	622
		623	movzx eax, [cfg_opt_value_imgfrom]
9253	dunkaist	624	mov [rsi+BOOT_LO.rd_load_from], al
8092	dunkaist	625
		626	mov eax, dword[devicesdat_size]
		627	mov [rdx+BOOT_LO.devicesdat_size], eax
		628	mov eax, dword[devicesdat_data]
		629	mov [rdx+BOOT_LO.devicesdat_data], eax
		630
		631	mov rsi, cfg_opt_value_syspath
		632	mov rdi, BOOT_LO.syspath
		633	mov ecx, 0x17
		634	rep movsb
		635
8656	dunkaist	636	; kernel trampoline
		637	mov rsi, kernel_trampoline
		638	mov rdi, KERNEL_TRAMPOLINE
		639	mov ecx, kernel_trampoline.size
		640	rep movsb
8092	dunkaist	641
8656	dunkaist	642	mov rax, GDTR
		643	lgdt [cs:rax]
		644
8092	dunkaist	645	mov ax, DATA_32_SELECTOR
		646	mov ds, ax
		647	mov es, ax
		648	mov fs, ax
		649	mov gs, ax
		650	mov ss, ax
		651
		652	push CODE_32_SELECTOR
8656	dunkaist	653	mov rax, KERNEL_TRAMPOLINE
8092	dunkaist	654	push rax
		655	retf
		656
8150	dunkaist	657	.error:
9253	dunkaist	658	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		659	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8150	dunkaist	660	msg_error
		661	jmp $
9227	dunkaist	662	endp
8092	dunkaist	663
9253	dunkaist	664	proc halt_on_error
8206	dunkaist	665	test eax, eax
		666	jz @f
		667	call clearbuf
		668	mov rdi, msg
		669	call num2hex
9253	dunkaist	670	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		671	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8206	dunkaist	672	msg_error
9253	dunkaist	673	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		674	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
8206	dunkaist	675	jmp $
		676	@@:
		677	ret
9253	dunkaist	678	endp
8206	dunkaist	679
9253	dunkaist	680	proc get_protocol_interface uses rsi rdi, _guid
		681	locals
		682	.status dq ?
		683	endl
9227	dunkaist	684	mov [_guid], rcx
		685	mov [prot_handlers_buffer_size], PROTOCOL_HANDLERS_BUFFER_SIZE
9253	dunkaist	686	mov r10, [rbx+EFI_SYSTEM_TABLE.BootServices]
		687	fstcall [r10+EFI_BOOT_SERVICES.LocateHandle], \
9227	dunkaist	688	EFI_LOCATE_SEARCH_TYPE.ByProtocol, [_guid], 0, \
		689	prot_handlers_buffer_size, prot_handlers_buffer
9253	dunkaist	690	mov [.status], rax
9227	dunkaist	691
9253	dunkaist	692	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		693	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
9227	dunkaist	694	msg_protocol_buffer_size
		695	call clearbuf
		696	mov rax, [prot_handlers_buffer_size]
		697	mov rdi, msg
		698	call num2hex
9253	dunkaist	699	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		700	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
9227	dunkaist	701
9253	dunkaist	702	mov rax, [.status]
9227	dunkaist	703	test eax, eax
		704	jz @f
		705	call clearbuf
		706	mov rdi, msg
		707	call num2hex
9253	dunkaist	708	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		709	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
9227	dunkaist	710	msg_error
9253	dunkaist	711	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		712	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
9227	dunkaist	713	jmp $
		714	@@:
		715
9253	dunkaist	716	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		717	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
9227	dunkaist	718	msg_look_for_handler
		719
9253	dunkaist	720	mov rsi, prot_handlers_buffer
9227	dunkaist	721	.try_next_handle:
9253	dunkaist	722	mov rax, rsi
9227	dunkaist	723	mov rcx, prot_handlers_buffer
		724	sub rax, rcx
		725	cmp rax, [prot_handlers_buffer_size]
		726	jb @f
9253	dunkaist	727	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		728	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
9227	dunkaist	729	msg_error_out_of_handlers
9253	dunkaist	730	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		731	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
9227	dunkaist	732	msg_error
		733	jmp $
		734	@@:
9253	dunkaist	735	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		736	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
9227	dunkaist	737	msg_query_handler
		738
9253	dunkaist	739	mov r10, [rbx+EFI_SYSTEM_TABLE.BootServices]
		740	fstcall [r10+EFI_BOOT_SERVICES.HandleProtocol], qword[rsi], [_guid], \
9227	dunkaist	741	prot_interface
		742	;mov rax, 0x8000_0000_0000_0003
		743	test eax, eax
		744	jz @f
		745	call clearbuf
		746	mov rdi, msg
		747	call num2hex
9253	dunkaist	748	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		749	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
9227	dunkaist	750
9253	dunkaist	751	add rsi, 8
9227	dunkaist	752	jmp .try_next_handle
		753	@@:
		754	mov rax, [prot_interface]
		755	ret
		756	endp
		757
		758
9253	dunkaist	759	proc find_rsdp uses rsi rdi
		760	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		761	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8206	dunkaist	762	msg_look_for_rsdp
		763
		764	mov rdi, [rbx+EFI_SYSTEM_TABLE.ConfigurationTable]
		765	mov rcx, [rbx+EFI_SYSTEM_TABLE.NumberOfTableEntries]
		766	mov rax, 0x11d3e4f18868e871
		767	mov rdx, 0x81883cc7800022bc
		768	.next_table:
		769	dec ecx
		770	js .all_tables_done
		771	cmp [rdi+0], rax
		772	jnz .not_acpi20
		773	cmp [rdi+8], rdx
		774	jnz .not_acpi20
		775	mov rax, [rdi+16]
		776	mov rdx, BOOT_LO.acpi_rsdp
		777	mov [rdx], eax
		778	jmp .all_tables_done
		779	.not_acpi20:
		780	add rdi, 24
		781	jmp .next_table
		782	.all_tables_done:
		783	ret
9253	dunkaist	784	endp
8206	dunkaist	785
9253	dunkaist	786	proc dump_pci_resources uses rsi rdi
9227	dunkaist	787	xor eax, eax
		788	mov rsi, [pcirbiop_resources]
9253	dunkaist	789	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		790	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
9227	dunkaist	791	msg_dump_pci_resources
		792	.next_resource:
		793	call clearbuf
		794	movzx eax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.Type]
		795	cmp eax, EFI_RESOURCE_DESCRIPTOR_TYPE.END_TAG
		796	jz .done
		797	mov rdi, msg
		798	call num2hex
9253	dunkaist	799	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		800	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
9227	dunkaist	801	call clearbuf
		802	movzx eax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.ResourceType]
		803	mov rdi, msg
		804	call num2dec
		805	mov rax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.RangeMinimum]
		806	mov rdi, msg+2*2
		807	call num2hex
		808	mov rax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.RangeMaximum]
		809	mov rdi, msg+19*2
		810	call num2hex
		811	mov rax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.TranslationOffset]
		812	mov rdi, msg+36*2
		813	call num2hex
		814	mov rax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.AddressLength]
		815	mov rdi, msg+53*2
		816	call num2hex
9253	dunkaist	817	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		818	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
9227	dunkaist	819	movzx eax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.Length]
		820	add eax, 3
		821	add rsi, rax
		822	jmp .next_resource
		823	.done:
		824	ret
		825	endp
		826
9253	dunkaist	827	proc calc_memmap uses rsi rdi
		828	mov r10, [rbx+EFI_SYSTEM_TABLE.BootServices]
		829	fstcall [r10+EFI_BOOT_SERVICES.AllocatePages], EFI_ALLOCATE_ANY_PAGES, \
8206	dunkaist	830	EFI_RESERVED_MEMORY_TYPE, MEMORY_MAP_SIZE/0x1000, memory_map
		831	call halt_on_error
		832
9253	dunkaist	833	mov r10, [rbx+EFI_SYSTEM_TABLE.BootServices]
		834	fstcall [r10+EFI_BOOT_SERVICES.GetMemoryMap], memory_map_size, \
8206	dunkaist	835	[memory_map], memory_map_key, descriptor_size, descriptor_ver
		836	call halt_on_error
		837
		838	mov rdi, BOOT_LO.memmap_blocks
8220	dunkaist	839	mov dword[rdi-4], 0 ; memmap_block_cnt
8206	dunkaist	840	mov rsi, [memory_map]
9253	dunkaist	841	mov r10, rsi
		842	add r10, [memory_map_size]
8206	dunkaist	843	.next_descr:
9253	dunkaist	844	fstcall add_uefi_memmap
8206	dunkaist	845	add rsi, [descriptor_size]
9253	dunkaist	846	cmp rsi, r10
8220	dunkaist	847	jb .next_descr
8206	dunkaist	848	ret
9253	dunkaist	849	endp
8206	dunkaist	850
9253	dunkaist	851	proc dump_memmap uses rsi rdi
8206	dunkaist	852	xor eax, eax
		853	mov rsi, BOOT_LO.memmap_blocks
9253	dunkaist	854	mov r12, [rax+BOOT_LO.memmap_block_cnt]
8206	dunkaist	855
		856	call clearbuf
		857	mov eax, ebx
		858	mov rdi, msg
		859	call num2dec
9253	dunkaist	860	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		861	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, \
8206	dunkaist	862	msg_memmap
9253	dunkaist	863	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		864	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
8206	dunkaist	865	call clearbuf
		866	.next_mapping:
9253	dunkaist	867	dec r12d
8206	dunkaist	868	js .done
		869	mov rax, rsi
		870	mov rcx, BOOT_LO.memmap_blocks
		871	sub rax, rcx
		872	mov ecx, sizeof.e820entry
		873	xor edx, edx
		874	div ecx
		875	mov rdi, msg
		876	call num2dec
		877	mov rax, [rsi+e820entry.addr]
		878	mov rdi, msg+4*2
		879	call num2hex
		880	mov rax, [rsi+e820entry.size]
		881	mov rdi, msg+24*2
		882	call num2hex
9253	dunkaist	883	mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		884	fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
8206	dunkaist	885	add rsi, sizeof.e820entry
		886	jmp .next_mapping
		887	.done:
		888	ret
9227	dunkaist	889	endp
8206	dunkaist	890
8092	dunkaist	891	; linux/arch/x86/platform/efi/efi.c
		892	; do_add_efi_memmap
9253	dunkaist	893	proc add_uefi_memmap
8220	dunkaist	894	xor eax, eax
		895	cmp [rax+BOOT_LO.memmap_block_cnt], MAX_MEMMAP_BLOCKS
		896	jz .done
8092	dunkaist	897
8220	dunkaist	898	mov rax, [rsi+EFI_MEMORY_DESCRIPTOR.PhysicalStart]
		899	mov [rdi+e820entry.addr], rax
8092	dunkaist	900
8220	dunkaist	901	mov rax, [rsi+EFI_MEMORY_DESCRIPTOR.NumberOfPages]
8092	dunkaist	902	shl rax, 12
		903	mov [rdi+e820entry.size], rax
		904
8220	dunkaist	905	mov ecx, [rsi+EFI_MEMORY_DESCRIPTOR.Type]
		906	cmp ecx, EFI_LOADER_CODE
		907	jz .mem_ram_if_wb
		908	cmp ecx, EFI_LOADER_DATA
		909	jz .mem_ram_if_wb
		910	cmp ecx, EFI_BOOT_SERVICES_CODE
		911	jz .mem_ram_if_wb
		912	cmp ecx, EFI_BOOT_SERVICES_DATA
		913	jz .mem_ram_if_wb
		914	cmp ecx, EFI_CONVENTIONAL_MEMORY
		915	jz .mem_ram_if_wb
		916	cmp ecx, EFI_ACPI_RECLAIM_MEMORY
8092	dunkaist	917	mov eax, E820_ACPI
8220	dunkaist	918	jz .type_done
		919	cmp ecx, EFI_ACPI_MEMORY_NVS
8092	dunkaist	920	mov eax, E820_NVS
8220	dunkaist	921	jz .type_done
		922	cmp ecx, EFI_UNUSABLE_MEMORY
8092	dunkaist	923	mov eax, E820_UNUSABLE
8220	dunkaist	924	jz .type_done
		925	cmp ecx, EFI_PERSISTENT_MEMORY
8092	dunkaist	926	mov eax, E820_PMEM
8220	dunkaist	927	jz .type_done
		928	jmp .reserved
		929	.mem_ram_if_wb:
		930	test [rsi+EFI_MEMORY_DESCRIPTOR.Attribute], dword EFI_MEMORY_WB
		931	mov eax, E820_RAM
		932	jnz .type_done
		933	.reserved:
8092	dunkaist	934	mov eax, E820_RESERVED
8220	dunkaist	935	.type_done:
		936	mov [rdi+e820entry.type], eax
		937	cmp eax, E820_RAM
		938	jnz @f
		939	xor eax, eax
		940	inc [rax+BOOT_LO.memmap_block_cnt]
		941	add rdi, sizeof.e820entry
		942	@@:
8150	dunkaist	943	.done:
8092	dunkaist	944	ret
9253	dunkaist	945	endp
8092	dunkaist	946
		947	num2dec:
9253	dunkaist	948	push rbx rcx rdx rdi
8092	dunkaist	949
		950	xor ecx, ecx
		951	mov ebx, 10
8150	dunkaist	952	.next_digit:
8092	dunkaist	953	xor edx, edx
		954	div ebx
		955	push rdx
		956	inc ecx
		957	test eax, eax
		958	jnz .next_digit
		959
8150	dunkaist	960	.next_char:
8092	dunkaist	961	pop rax
		962	add eax, '0'
		963	stosw
		964	loop .next_char
		965
9253	dunkaist	966	pop rdi rdx rcx rbx
8092	dunkaist	967	ret
		968
		969
		970	num2hex:
9253	dunkaist	971	push rbx rcx rdx rdi
8092	dunkaist	972
		973	xchg rdx, rax
		974	mov ecx, 16
8150	dunkaist	975	.next_tetra:
8092	dunkaist	976	rol rdx, 4
		977	movzx eax, dl
		978	and eax, 0x0f
9253	dunkaist	979	movzx eax, byte[hex_abc+eax]
8092	dunkaist	980	stosw
		981	loop .next_tetra
		982
9253	dunkaist	983	pop rdi rdx rcx rbx
8092	dunkaist	984	ret
		985
		986	clearbuf:
9253	dunkaist	987	push rcx rdi
		988	mov eax, ' '
8092	dunkaist	989	mov ecx, 79
		990	mov rdi, msg
		991	rep stosw
9253	dunkaist	992	pop rdi rcx
8092	dunkaist	993	ret
		994
8656	dunkaist	995	use32
		996	kernel_trampoline:
		997	org KERNEL_TRAMPOLINE
		998	mov eax, cr0
		999	and eax, not CR0_PG
		1000	mov cr0, eax
		1001
		1002	mov ecx, MSR_AMD_EFER
		1003	rdmsr
		1004	btr eax, 8 ; LME
		1005	wrmsr
		1006
		1007	mov eax, cr4
		1008	and eax, not CR4_PAE
		1009	mov cr4, eax
		1010
9958	dunkaist	1011	mov eax, KERNEL_BASE
		1012	; add the 32-bit entry point
		1013	add eax, [eax+kernel_header.b32_offset]
		1014	push eax
8656	dunkaist	1015	retn
		1016
8284	dunkaist	1017	align 16
8092	dunkaist	1018	GDTR:
		1019	dw 4*8-1
		1020	dq GDT
8284	dunkaist	1021	align 16
8092	dunkaist	1022	GDT:
		1023	dw 0, 0, 0, 0
		1024	dw 0FFFFh,0,9A00h,0CFh ; 32-bit code
		1025	dw 0FFFFh,0,9200h,0CFh ; flat data
		1026	dw 0FFFFh,0,9A00h,0AFh ; 64-bit code
8656	dunkaist	1027	assert $ < BOOT_LO
		1028	kernel_trampoline.size = $ - KERNEL_TRAMPOLINE
8092	dunkaist	1029
8656	dunkaist	1030	section '.rodata' data readable
9227	dunkaist	1031	gop_guid db EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID
		1032	lip_guid db EFI_LOADED_IMAGE_PROTOCOL_GUID
		1033	sfsp_guid db EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID
		1034	pcirbiop_guid db EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_GUID
8092	dunkaist	1035
8150	dunkaist	1036	file_name du '\EFI\KOLIBRIOS\KOLIBRI.INI',0
		1037	kernel_name du '\EFI\KOLIBRIOS\KOLIBRI.KRN',0
		1038	ramdisk_name du '\EFI\KOLIBRIOS\KOLIBRI.IMG',0
		1039	devicesdat_name du '\EFI\KOLIBRIOS\DEVICES.DAT',0
8092	dunkaist	1040
		1041	config_options dq cfg_opt_name_resolution, cfg_opt_func_resolution, \
		1042	cfg_opt_cmnt_resolution, \
		1043	cfg_opt_name_acpi, cfg_opt_func_acpi, cfg_opt_cmnt_acpi, \
		1044	cfg_opt_name_debug_print, cfg_opt_func_debug_print, \
		1045	cfg_opt_cmnt_debug_print, \
		1046	cfg_opt_name_launcher_start, cfg_opt_func_launcher_start, \
		1047	cfg_opt_cmnt_launcher_start, \
		1048	cfg_opt_name_mtrr, cfg_opt_func_mtrr, cfg_opt_cmnt_mtrr, \
		1049	cfg_opt_name_ask_params, cfg_opt_func_ask_params, \
		1050	cfg_opt_cmnt_ask_params, \
		1051	cfg_opt_name_imgfrom, cfg_opt_func_imgfrom, \
		1052	cfg_opt_cmnt_imgfrom, \
		1053	cfg_opt_name_syspath, cfg_opt_func_syspath, \
		1054	cfg_opt_cmnt_syspath, \
		1055
		1056
8150	dunkaist	1057	cfg_opt_name_resolution db "resolution",0
		1058	cfg_opt_name_acpi db "acpi",0
		1059	cfg_opt_name_debug_print db "debug_print",0
		1060	cfg_opt_name_launcher_start db "launcher_start",0
		1061	cfg_opt_name_mtrr db "mtrr",0
		1062	cfg_opt_name_ask_params db "ask_params",0
		1063	cfg_opt_name_imgfrom db "imgfrom",0
		1064	cfg_opt_name_syspath db "syspath",0
8092	dunkaist	1065
8150	dunkaist	1066	cfg_opt_cmnt_resolution db "# Graphic mode",0
		1067	cfg_opt_cmnt_acpi db "# ACPI settings",0xa, \
		1068	"# 0: don't use",0xa, \
		1069	"# 1: parse ACPI tables",0xa, \
		1070	"# 2: + call _PIC method",0xa, \
		1071	"# 3: + get APIC interrupts",0xa,0
		1072	cfg_opt_cmnt_debug_print db "# Duplicate debug output to the screen",0
8092	dunkaist	1073	cfg_opt_cmnt_launcher_start db "# Start LAUNCHER app after kernel is loaded",0
8150	dunkaist	1074	cfg_opt_cmnt_mtrr db "# Configure MTRR's",0
		1075	cfg_opt_cmnt_ask_params db "# Interrupt booting to ask the user for boot", \
		1076	" params",0
		1077	cfg_opt_cmnt_imgfrom db "# Where to load ramdisk image from",0
		1078	cfg_opt_cmnt_syspath db "# Path to /sys directory",0
8092	dunkaist	1079
8150	dunkaist	1080	msg_u4k_loaded du "uefi64kos loaded",13,10,0
9227	dunkaist	1081	msg_detect_pci_config du "Detect PCI configuration",13,10,0
		1082	msg_dump_pci_resources du "Dump PCI resources",13,10,0
		1083	msg_pci_last_bus du "Last PCI bus",13,10,0
8150	dunkaist	1084	msg_read_options du "Read options from config file",13,10,0
8206	dunkaist	1085	msg_file_size du "File size:",13,10,0
		1086	msg_parsing_config du "Parsing config file",13,10,0
8150	dunkaist	1087	msg_load_kernel du "Load kernel",13,10,0
		1088	msg_load_ramdisk du "Load ramdisk",13,10,0
		1089	msg_load_devicesdat du "Load DEVICES.DAT",13,10,0
		1090	msg_alloc_devicesdat du "Allocate memory for DEVICES.DAT",13,10,0
9227	dunkaist	1091	msg_locate_gop_interface du "Locate GOP interface",13,10,0
		1092	msg_look_for_handler du "Look for protocol handler",13,10,0
8150	dunkaist	1093	msg_query_handler du "Query handler",13,10,0
		1094	msg_query_vmode du "Query vmode",13,10,0
		1095	msg_vmode_found du "Video mode found",13,10,0
		1096	msg_look_for_rsdp du "Look for RSDP",13,10,0
		1097	msg_rsdp_found du "RSDP found",13,10,0
		1098	msg_acpi_tables_done du "ACPI tables done",13,10,0
		1099	msg_ask_for_params du "Ask for params",13,10,0
		1100	msg_set_graphic_mode du "Set graphic mode",13,10,0
		1101	msg_success du "Success!",13,10,0
9227	dunkaist	1102	msg_protocol_buffer_size du "Protocol buffer size",13,10,0
8206	dunkaist	1103	msg_opt_resolution du "Option resolution: ",0
		1104	msg_memmap du "Memmap",13,10,0
8150	dunkaist	1105	msg_error du "Error!",13,10,0
8206	dunkaist	1106	msg_error_efi_lip_handle du "efi_handle can't handle LIP",13,10,0
		1107	msg_error_lip_dev_sfsp du "LIP device handle can't handle SFSP",13,10,0
		1108	msg_error_sfsp_openvolume du "SFSP OpenVolume failed",13,10,0
8150	dunkaist	1109	msg_error_no_such_vmode du "No such vmode",13,10,0
		1110	msg_error_out_of_handlers du "Out of handlers",13,10,0
		1111	msg_error_open_file du "Error: can't open file ",0
8206	dunkaist	1112	msg_error_exit_boot_services du "Error: Exit boot services",13,10,0
8150	dunkaist	1113	msg du 79 dup " ",13,10,0
9253	dunkaist	1114	msg_debug du "Debug ",13,10,0
8092	dunkaist	1115
8284	dunkaist	1116	section '.data' data readable writeable
		1117	efi_handle dq 0
		1118	efi_table dq 0
		1119
		1120	fb_base dq 0
		1121
		1122	gop_interface dq 0
		1123	gop_info_size dq 0
		1124	gop_info dq 0
		1125
		1126	lip_interface dq 0
		1127
		1128	sfsp_interface dq 0
		1129
9227	dunkaist	1130	pci_last_bus db 254
		1131
8284	dunkaist	1132	cfg_opt_used_resolution db 0
		1133	cfg_opt_used_acpi db 0
		1134	cfg_opt_used_debug_print db 0
		1135	cfg_opt_used_launcher_start db 0
		1136	cfg_opt_used_mtrr db 0
		1137	cfg_opt_used_ask_params db 0
		1138	cfg_opt_used_imgfrom db 0
		1139	cfg_opt_used_syspath db 0
		1140
		1141	cfg_opt_value_vmode db 0
		1142	cfg_opt_value_acpi db 0
		1143	cfg_opt_value_debug_print db 0
		1144	cfg_opt_value_launcher_start db 1
		1145	cfg_opt_value_mtrr db 0
		1146	cfg_opt_value_ask_params db 0
		1147	cfg_opt_value_imgfrom db RD_LOAD_FROM_MEMORY
		1148	cfg_opt_value_syspath db "/RD/1",0
		1149	rb 20
		1150
		1151	memory_map_key dq 0
		1152	descriptor_size dq 0
		1153	descriptor_ver dq 0
		1154	memory_map_size dq MEMORY_MAP_SIZE
		1155
8092	dunkaist	1156	efi_fs_info_id db EFI_FILE_SYSTEM_INFO_ID
		1157	efi_fs_info_size dq sizeof.EFI_FILE_SYSTEM_INFO
9253	dunkaist	1158
		1159	devicesdat_data dq 0xffffffff
		1160	devicesdat_size dq 0x1000
		1161
		1162	hex_abc db '0123456789ABCDEF'
		1163
		1164	section '.bss' data readable writeable discardable
		1165	prot_handlers_buffer_size dq ?
		1166	prot_interface dq ?
		1167	esp_root dq ?
		1168	file_handle dq ?
		1169	pcirbiop_interface dq ?
		1170	pcirbiop_resources dq ?
8092	dunkaist	1171	efi_fs_info EFI_FILE_SYSTEM_INFO
		1172	memory_map dq ?
9227	dunkaist	1173	prot_handlers_buffer rq PROTOCOL_HANDLERS_BUFFER_SIZE/8
		1174	pcirbio_buffer rq PROTOCOL_HANDLERS_BUFFER_SIZE/8
8092	dunkaist	1175
		1176	section '.reloc' fixups data discardable

Subversion Repositories Kolibri OS

(root)/kernel/trunk/bootloader/uefi4kos/uefi64kos.asm – Rev 9977