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
		47	load_file:
		48	virtual at rsp+8
		49	.root dq ?
		50	.name dq ?
		51	.buffer dq ?
		52	.size dq ?
		53	.fatal dq ?
		54	end virtual
9227	dunkaist	55	mov r10, [.root]
		56	mov r11, [.name]
		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
		62	cmp [.fatal], 1
		63	jnz .done
8150	dunkaist	64	mov rbx, [efi_table]
		65	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	66	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
8150	dunkaist	67	msg_error_open_file
		68	mov rbx, [efi_table]
		69	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	70	mov r10, [.name]
		71	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, r10
8092	dunkaist	72	jmp $
		73	@@:
		74
9227	dunkaist	75	lea rdx, [.size]
		76	mov r8, [.buffer]
		77	mov r10, [file_handle]
		78	fstcall [r10+EFI_FILE_PROTOCOL.Read], [file_handle], rdx, r8
		79	mov r10, [file_handle]
		80	fstcall [r10+EFI_FILE_PROTOCOL.Close], [file_handle]
8092	dunkaist	81	mov rax, [.size]
		82	.done:
8206	dunkaist	83	push rax
		84	call clearbuf
		85	mov rdi, msg
		86	call num2dec
		87	push rbx
		88	mov rbx, [efi_table]
		89	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	90	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
8206	dunkaist	91	msg_file_size
		92	pop rbx
		93	push rbx
		94	mov rbx, [efi_table]
		95	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	96	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, msg
8206	dunkaist	97	pop rbx
		98	pop rax
8092	dunkaist	99	ret 8*5
		100
		101	skip_whitespace:
		102	.next_char:
		103	cmp byte[rsi], 0
		104	jz .done
		105	cmp byte[rsi], 0x20 ; ' '
		106	jz .whitespace
		107	cmp byte[rsi], 9 ; '\t'
		108	jz .whitespace
		109	jmp .done
		110	.whitespace:
		111	inc rsi
		112	jmp .next_char
		113	.done:
		114	ret
		115
		116	skip_until_newline:
		117	.next_char:
		118	cmp byte[rsi], 0
		119	jz .done
		120	cmp byte[rsi], 0xd ; '\r'
		121	jz .done
		122	cmp byte[rsi], 0xa ; '\n'
		123	jz .done
		124	inc rsi
		125	jmp .next_char
		126	.done:
		127	ret
		128
		129	skip_newline:
		130	.next_char:
		131	cmp byte[rsi], 0xd ; '\r'
		132	jz .newline
		133	cmp byte[rsi], 0xa ; '\n'
		134	jz .newline
		135	jmp .done
		136	.newline:
		137	inc rsi
		138	jmp .next_char
		139	.done:
		140	ret
		141
		142	skip_line:
		143	call skip_until_newline
		144	call skip_newline
		145	ret
		146
		147	dec2bin:
		148	mov edx, 0
		149	.next_char:
		150	movzx eax, byte[rsi]
		151	test eax, eax
		152	jz .done
		153	sub eax, '0'
		154	jb .done
		155	cmp eax, 9
		156	ja .done
		157	inc rsi
		158	imul edx, 10
		159	add edx, eax
		160	jmp .next_char
		161	.done:
		162	mov eax, edx
		163	ret
		164
		165	parse_option:
		166	mov rbx, config_options-3*8
		167	.try_next_option:
		168	add rbx, 3*8
		169	mov rdi, rsi
		170	mov rdx, [rbx] ; option name
		171	test rdx, rdx
		172	jz .done
		173	.next_char:
		174	cmp byte[rdx], 0
		175	jnz @f
		176	cmp byte[rdi], '='
		177	jz .opt_name_ok
		178	@@:
		179	cmp byte[rdi], 0
		180	jz .done
		181	movzx eax, byte[rdi]
		182	cmp [rdx], al
		183	jnz .try_next_option
		184	inc rdi
		185	inc rdx
		186	jmp .next_char
		187	.opt_name_ok:
		188	inc rdi
		189	mov rsi, rdi
		190	call qword[rbx+8]
		191	.done:
		192	ret
		193
		194	parse_line:
		195	.next_line:
		196	cmp byte[rsi], 0
		197	jz .done
		198	cmp byte[rsi], 0xd ; '\r'
		199	jz .skip
		200	cmp byte[rsi], 0xa ; '\n'
		201	jz .skip
		202	cmp byte[rsi], '#'
		203	jz .skip
		204	call parse_option
		205	call skip_line
		206	jmp .next_line
		207	.skip:
		208	call skip_line
		209	jmp .next_line
		210	.done:
		211	ret
		212
		213	cfg_opt_func_resolution:
		214	call dec2bin
		215	xor edx, edx
		216	mov [rdx+BOOT_LO.x_res], ax
		217	cmp byte[rsi], 'x'
		218	jz @f
		219	cmp byte[rsi], '*'
		220	jz @f
		221	jmp .done
		222	@@:
		223	inc rsi
		224	call dec2bin
		225	xor edx, edx
		226	mov [rdx+BOOT_LO.y_res], ax
		227	mov [cfg_opt_used_resolution], 1
		228	.done:
		229	ret
		230
		231	cfg_opt_func_acpi:
		232	call dec2bin
		233	mov [cfg_opt_used_acpi], 1
		234	mov [cfg_opt_value_acpi], al
		235	ret
		236
		237	cfg_opt_func_debug_print:
		238	call dec2bin
		239	mov [cfg_opt_used_debug_print], 1
		240	mov [cfg_opt_value_debug_print], al
		241	ret
		242
		243	cfg_opt_func_launcher_start:
		244	call dec2bin
		245	mov [cfg_opt_used_launcher_start], 1
		246	mov [cfg_opt_value_launcher_start], al
		247	ret
		248
		249	cfg_opt_func_mtrr:
		250	call dec2bin
		251	mov [cfg_opt_used_mtrr], 1
		252	mov [cfg_opt_value_mtrr], al
		253	ret
		254
		255	cfg_opt_func_ask_params:
		256	call dec2bin
		257	mov [cfg_opt_used_ask_params], 1
		258	mov [cfg_opt_value_ask_params], al
		259	ret
		260
		261	cfg_opt_func_imgfrom:
		262	call dec2bin
		263	mov [cfg_opt_used_imgfrom], 1
		264	mov [cfg_opt_value_imgfrom], al
		265	ret
		266
		267	cfg_opt_func_syspath:
		268	mov rdi, cfg_opt_value_syspath
		269	.next_char:
		270	movzx eax, byte[rsi]
		271	cmp al, 0xd ; \r
		272	jz .done
		273	cmp al, 0xa ; \n
		274	jz .done
		275	inc rsi
		276	stosb
		277	jmp .next_char
		278	.done:
		279	mov byte[rdi], 0
		280	ret
		281
		282	parse_config:
		283	virtual at rsp+8
		284	.buffer dq ?
		285	end virtual
		286	; mov rsi, [.buffer]
8206	dunkaist	287	push rbx
		288	mov rbx, [efi_table]
		289	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	290	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
8206	dunkaist	291	msg_parsing_config
		292	pop rbx
8092	dunkaist	293	mov rsi, KERNEL_BASE
		294	.next_line:
		295	call parse_line
		296	cmp byte[rsi], 0
		297	jnz .next_line
		298	ret 1*8
		299
		300	read_options_from_config:
8150	dunkaist	301	mov rbx, [efi_table]
		302	mov rbx, [rbx+EFI_SYSTEM_TABLE.BootServices]
9227	dunkaist	303	fstcall [rbx+EFI_BOOT_SERVICES.HandleProtocol], [efi_handle], lip_guid, \
8092	dunkaist	304	lip_interface
8206	dunkaist	305	test eax, eax
		306	jz @f
		307	push rbx
		308	mov rbx, [efi_table]
		309	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	310	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
8206	dunkaist	311	msg_error_efi_lip_handle
		312	pop rbx
		313	jmp $
		314	@@:
9227	dunkaist	315	mov r10, [lip_interface]
8150	dunkaist	316	mov rbx, [efi_table]
		317	mov rbx, [rbx+EFI_SYSTEM_TABLE.BootServices]
9227	dunkaist	318	fstcall [rbx+EFI_BOOT_SERVICES.HandleProtocol], \
		319	[r10+EFI_LOADED_IMAGE_PROTOCOL.DeviceHandle], sfsp_guid, \
8092	dunkaist	320	sfsp_interface
8206	dunkaist	321	test eax, eax
		322	jz @f
		323	push rbx
		324	mov rbx, [efi_table]
		325	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	326	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
8206	dunkaist	327	msg_error_lip_dev_sfsp
		328	pop rbx
		329	jmp $
		330	@@:
9227	dunkaist	331	mov r10, [sfsp_interface]
		332	fstcall [r10+EFI_SIMPLE_FILE_SYSTEM_PROTOCOL.OpenVolume], \
8092	dunkaist	333	[sfsp_interface], esp_root
8206	dunkaist	334	test eax, eax
		335	jz @f
		336	push rbx
		337	mov rbx, [efi_table]
		338	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	339	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
8206	dunkaist	340	msg_error_sfsp_openvolume
		341	pop rbx
		342	jmp $
		343	@@:
8092	dunkaist	344	push 0 ; not fatal, i.e. it's ok to not find this file
		345	push FILE_BUFFER_SIZE
		346	push KERNEL_BASE
8206	dunkaist	347	; push file_name
		348	mov rax, file_name
		349	push rax
8092	dunkaist	350	push [esp_root]
		351	call load_file
		352
		353	test eax, eax
		354	jz @f
		355	push KERNEL_BASE
		356	call parse_config
		357	@@:
		358
		359	.error:
		360	ret
		361
8150	dunkaist	362	print_vmode:
		363	push rax rbx rcx rdx rsi rdi
		364	mov rbx, rcx
		365	call clearbuf
		366	mov eax, [rbx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.HorizontalResolution]
		367	mov rdi, msg
		368	call num2dec
		369	mov eax, [rbx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.VerticalResolution]
		370	mov rdi, msg+8*2
		371	call num2dec
		372
		373	mov eax, [rbx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelFormat]
		374	mov rdi, msg+16*2
		375	call num2dec
		376
		377	mov eax, [rbx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelsPerScanLine]
		378	mov rdi, msg+24*2
		379	call num2dec
		380	mov rbx, [efi_table]
		381	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	382	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, msg
8150	dunkaist	383	pop rdi rsi rdx rcx rbx rax
		384	ret
		385
8092	dunkaist	386	find_vmode_index_by_resolution:
		387	mov [cfg_opt_used_resolution], 1
		388	mov [cfg_opt_value_vmode], 0
8150	dunkaist	389	.next_mode:
9227	dunkaist	390	movzx edx, [cfg_opt_value_vmode]
		391	mov r10, [gop_interface]
		392	fstcall [r10+EFI_GRAPHICS_OUTPUT_PROTOCOL.QueryMode], [gop_interface], \
		393	rdx, gop_info_size, gop_info
8092	dunkaist	394	cmp rax, EFI_SUCCESS
		395	jnz .error
		396	mov rcx, [gop_info]
8150	dunkaist	397	call print_vmode
8092	dunkaist	398	; PixelBlueGreenRedReserved8BitPerColor
		399	cmp [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelFormat], 1
		400	jnz .skip_mode
		401	xor edx, edx
		402	mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.HorizontalResolution]
		403	cmp ax, [rdx+BOOT_LO.x_res]
		404	jnz .skip_mode
		405	mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.VerticalResolution]
		406	cmp ax, [rdx+BOOT_LO.y_res]
		407	jnz .skip_mode
		408	jmp .done
8150	dunkaist	409	.skip_mode:
8092	dunkaist	410	inc [cfg_opt_value_vmode]
		411	movzx eax, [cfg_opt_value_vmode]
		412	mov rcx, [gop_interface]
		413	mov rdx, [rcx+EFI_GRAPHICS_OUTPUT_PROTOCOL.Mode]
8284	dunkaist	414	cmp eax, [rdx+EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.MaxMode]
8092	dunkaist	415	jnz .next_mode
		416	mov [cfg_opt_used_resolution], 0
		417	mov [cfg_opt_value_ask_params], 1
8150	dunkaist	418
		419	mov rbx, [efi_table]
		420	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	421	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
8150	dunkaist	422	msg_error_no_such_vmode
		423	mov rbx, [efi_table]
		424	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	425	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
8206	dunkaist	426	msg_error
8150	dunkaist	427	jmp $
8092	dunkaist	428	.error:
		429	.done:
		430	ret
		431
		432	ask_for_params:
8150	dunkaist	433	ret
		434
8092	dunkaist	435	xor ebx, ebx
8150	dunkaist	436	.next_mode:
8092	dunkaist	437	call clearbuf
		438	mov eax, ebx
		439	lea rdi, [msg]
		440	call num2dec
		441
		442	push rbx
9227	dunkaist	443	mov r10, [gop_interface]
		444	fstcall [r10+EFI_GRAPHICS_OUTPUT_PROTOCOL.QueryMode], [gop_interface], \
		445	rbx, gop_info_size, gop_info
8092	dunkaist	446	cmp rax, EFI_SUCCESS
		447	jnz .error
		448	mov rcx, [gop_info]
		449	; PixelBlueGreenRedReserved8BitPerColor
		450	cmp [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelFormat], 1
		451	jnz .skip
		452	mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.HorizontalResolution]
		453	lea rdi, [msg+4*2]
		454	call num2dec
		455	mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.VerticalResolution]
		456	lea rdi, [msg+9*2]
		457	call num2dec
		458	; mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelsPerScanLine]
		459	; lea rdi, [msg+14*2]
		460	; call num2dec
8150	dunkaist	461	.skip:
		462	mov rbx, [efi_table]
		463	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	464	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, msg
8092	dunkaist	465	cmp rax, EFI_SUCCESS
		466	jnz .error
		467
		468	pop rbx
		469	inc rbx
		470	mov rcx, [gop_interface]
		471	mov rdx, [rcx+EFI_GRAPHICS_OUTPUT_PROTOCOL.Mode]
		472	cmp ebx, [rdx+EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.MaxMode]
		473	jnz .next_mode
		474
		475
8150	dunkaist	476	mov rbx, [efi_table]
		477	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConIn]
9227	dunkaist	478	fstcall [rbx+SIMPLE_INPUT_INTERFACE.Reset], rbx, 1
8092	dunkaist	479	cmp rax, EFI_SUCCESS
		480	jnz .error
		481	xor ecx, ecx
		482	@@:
		483	push rcx
8150	dunkaist	484	mov rbx, [efi_table]
		485	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConIn]
9227	dunkaist	486	fstcall [rbx+SIMPLE_INPUT_INTERFACE.ReadKeyStroke], rbx, msg
8092	dunkaist	487	pop rcx
		488	mov rdx, EFI_DEVICE_ERROR
		489	cmp rax, rdx
		490	jz .error
		491	mov rdx, EFI_NOT_READY
		492	cmp rax, rdx
		493	jz @b
		494	; cmp rax, EFI_SUCCESS
		495	movzx eax, word[msg+2]
		496	;jmp .key_done
		497	cmp al, 0x0D
		498	jz .key_done
		499	imul ecx, 10
		500	sub eax, '0'
		501	add ecx, eax
		502	jmp @b
8150	dunkaist	503	.key_done:
8092	dunkaist	504	mov [cfg_opt_value_vmode], cl
		505	.error:
		506	.done:
		507	ret
		508
9227	dunkaist	509	detect_pci_config:
		510	fstcall get_protocol_interface, pcirbiop_guid
		511	mov [pcirbiop_interface], rax
		512	mov r10, rax
		513	fstcall [r10+EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL.Configuration], r10, \
		514	pcirbiop_resources
		515	; fstcall dump_pci_resources
		516	fstcall get_last_pci_bus
		517	call clearbuf
		518	movzx eax, [pci_last_bus]
		519	mov rdi, msg
		520	call num2hex
		521	push rbx
		522	mov rbx, [efi_table]
		523	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		524	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
		525	msg_pci_last_bus
		526	pop rbx
		527	push rbx
		528	mov rbx, [efi_table]
		529	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		530	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, msg
		531	pop rbx
		532	ret
		533
		534	proc get_last_pci_bus
		535	mov rsi, [pcirbiop_resources]
		536	.next_resource:
		537	cmp [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.Type], \
		538	EFI_RESOURCE_DESCRIPTOR_TYPE.END_TAG
		539	jz .not_found
		540	mov rax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.RangeMaximum]
		541	cmp [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.ResourceType], \
		542	EFI_RESOURCE_TYPE.BUS
		543	jz .found
		544	movzx eax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.Length]
		545	lea rsi, [rsi+rax+3]
		546	jmp .next_resource
		547	.found:
		548	mov [pci_last_bus], al
		549	.not_found:
		550	ret
		551	endp
		552
		553	proc main _efi_handle, _efi_table
8150	dunkaist	554	mov [efi_handle], rcx
		555	mov [efi_table], rdx
8092	dunkaist	556
8150	dunkaist	557	mov rbx, [efi_table]
		558	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	559	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.Reset], rbx, 1
8150	dunkaist	560	test eax, eax
		561	jz @f
		562	jmp $ ; what can I do here?
		563	@@:
		564	mov rbx, [efi_table]
		565	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	566	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
8150	dunkaist	567	msg_u4k_loaded
8092	dunkaist	568
8150	dunkaist	569	mov rbx, [efi_table]
		570	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	571	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
		572	msg_detect_pci_config
		573
		574	call detect_pci_config
		575
		576	mov rbx, [efi_table]
		577	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		578	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
8150	dunkaist	579	msg_read_options
8092	dunkaist	580	call read_options_from_config
		581
		582	; read kernel file
8150	dunkaist	583	mov rbx, [efi_table]
		584	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	585	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
8150	dunkaist	586	msg_load_kernel
8284	dunkaist	587	push 1 ; fatal
		588	push MAX_FILE_SIZE
8092	dunkaist	589	push KERNEL_BASE
8206	dunkaist	590	; push kernel_name
		591	mov rax, kernel_name
		592	push rax
8092	dunkaist	593	push [esp_root]
		594	call load_file
		595
		596	; read ramdisk image
8150	dunkaist	597	mov rbx, [efi_table]
		598	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	599	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
8150	dunkaist	600	msg_load_ramdisk
8284	dunkaist	601	push 1 ; fatal
		602	push MAX_FILE_SIZE
8092	dunkaist	603	push RAMDISK_BASE
8206	dunkaist	604	; push ramdisk_name
		605	mov rax, ramdisk_name
		606	push rax
8092	dunkaist	607	push [esp_root]
		608	call load_file
		609
		610	; alloc buffer for devices.dat
8150	dunkaist	611	mov rbx, [efi_table]
		612	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	613	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
8150	dunkaist	614	msg_alloc_devicesdat
		615	mov rbx, [efi_table]
		616	mov rbx, [rbx+EFI_SYSTEM_TABLE.BootServices]
9227	dunkaist	617	fstcall [rbx+EFI_BOOT_SERVICES.AllocatePages], \
8150	dunkaist	618	EFI_ALLOCATE_MAX_ADDRESS, EFI_RESERVED_MEMORY_TYPE, 1, \
		619	devicesdat_data
8092	dunkaist	620	cmp eax, EFI_SUCCESS
		621	jnz .error
		622
		623	; read devices.dat
8150	dunkaist	624	mov rbx, [efi_table]
		625	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	626	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
8150	dunkaist	627	msg_load_devicesdat
		628
8092	dunkaist	629	push 0 ; not fatal
		630	push [devicesdat_size]
		631	push [devicesdat_data]
8206	dunkaist	632	; push devicesdat_name
		633	mov rax, devicesdat_name
		634	push rax
8092	dunkaist	635	push [esp_root]
		636	call load_file
		637	mov [devicesdat_size], rax
		638
8150	dunkaist	639	mov rbx, [efi_table]
		640	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	641	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
		642	msg_locate_gop_interface
8150	dunkaist	643
9227	dunkaist	644	fstcall get_protocol_interface, gop_guid
		645	mov [gop_interface], rax
8150	dunkaist	646
8206	dunkaist	647	call find_rsdp
8150	dunkaist	648
		649	mov rbx, [efi_table]
		650	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	651	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
8150	dunkaist	652	msg_acpi_tables_done
		653
8092	dunkaist	654	cmp [cfg_opt_used_resolution], 0
		655	jz .not_used_resolution
8150	dunkaist	656	mov rbx, [efi_table]
		657	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	658	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
8150	dunkaist	659	msg_opt_resolution
		660	call clearbuf
		661	xor edx, edx
		662	movzx eax, [rdx+BOOT_LO.x_res]
		663	mov rdi, msg
		664	call num2dec
		665	xor edx, edx
		666	movzx eax, [rdx+BOOT_LO.y_res]
		667	mov rdi, msg+8*2
		668	call num2dec
		669	mov rbx, [efi_table]
		670	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	671	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, msg
8092	dunkaist	672	call find_vmode_index_by_resolution
		673	.not_used_resolution:
		674	cmp [cfg_opt_used_debug_print], 0
		675	jz .not_used_debug_print
		676	movzx eax, [cfg_opt_value_debug_print]
		677	xor edx, edx
		678	mov [rdx+BOOT_LO.debug_print], al
		679	.not_used_debug_print:
		680
		681	cmp [cfg_opt_value_ask_params], 0
		682	jz @f
		683	call ask_for_params
		684	@@:
		685
9227	dunkaist	686	movzx edx, [cfg_opt_value_vmode]
		687	mov r10, [gop_interface]
		688	fstcall [r10+EFI_GRAPHICS_OUTPUT_PROTOCOL.SetMode], [gop_interface], rdx
8150	dunkaist	689	test eax, eax
		690	jz @f
		691	call clearbuf
		692	mov rdi, msg
		693	call num2hex
		694	mov rbx, [efi_table]
		695	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	696	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, msg
8150	dunkaist	697	mov rbx, [efi_table]
		698	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	699	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
8206	dunkaist	700	msg_error
8150	dunkaist	701	jmp $
		702	@@:
8092	dunkaist	703
		704	mov rcx, [gop_interface]
		705	mov rdx, [rcx+EFI_GRAPHICS_OUTPUT_PROTOCOL.Mode]
		706	mov rdi, [rdx+EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.FrameBufferBase]
		707	mov [fb_base], rdi
		708
		709	mov ebx, [rdx+EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.Mode]
9227	dunkaist	710	mov rax, [gop_interface]
		711	fstcall [rax+EFI_GRAPHICS_OUTPUT_PROTOCOL.QueryMode], [gop_interface], \
		712	rbx, gop_info_size, gop_info
8206	dunkaist	713	test eax, eax
		714	jz @f
		715	jmp .error
		716	@@:
8092	dunkaist	717	mov rcx, [gop_info]
		718	mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.HorizontalResolution]
		719	xor rdx, rdx
		720	mov [rdx+BOOT_LO.x_res], ax
		721	mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.VerticalResolution]
		722	mov [rdx+BOOT_LO.y_res], ax
		723	mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelsPerScanLine]
		724	shl eax, 2
		725	mov [rdx+BOOT_LO.pitch], ax
		726
9227	dunkaist	727	mov [rdx+BOOT_LO.pci_data.access_mechanism], 1
		728	movzx eax, [pci_last_bus]
		729	mov [rdx+BOOT_LO.pci_data.last_bus], al
		730	mov [rdx+BOOT_LO.pci_data.version], 0x0300 ; PCI 3.0
		731	mov [rdx+BOOT_LO.pci_data.pm_entry], 0
8092	dunkaist	732
		733	; kernel
9227	dunkaist	734	; fstcall BootServices, AllocatePages, EFI_RESERVED_MEMORY_TYPE, \
8092	dunkaist	735	; 450000/0x1000, EFI_ALLOCATE_ADDRESS
		736
		737	; ramdisk
9227	dunkaist	738	; fstcall BootServices, AllocatePages, EFI_RESERVED_MEMORY_TYPE, \
8092	dunkaist	739	; 2880*512/0x1000, EFI_ALLOCATE_ADDRESS
		740
8206	dunkaist	741	call calc_memmap
9227	dunkaist	742	; fstcall dump_memmap
8206	dunkaist	743
8150	dunkaist	744	mov rbx, [efi_table]
		745	mov rbx, [rbx+EFI_SYSTEM_TABLE.BootServices]
9227	dunkaist	746	fstcall [rbx+EFI_BOOT_SERVICES.ExitBootServices], [efi_handle], \
8150	dunkaist	747	[memory_map_key]
8206	dunkaist	748	call halt_on_error
8092	dunkaist	749
		750	cli
		751
		752	xor edx, edx
		753	xor esi, esi
		754	mov [esi+BOOT_LO.bpp], 32
		755	mov [esi+BOOT_LO.vesa_mode], dx
		756	mov [esi+BOOT_LO.bank_switch], edx
		757	mov rdi, [fb_base]
		758	mov [esi+BOOT_LO.lfb], edi
		759
		760	movzx eax, [cfg_opt_value_mtrr]
		761	mov [esi+BOOT_LO.mtrr], al
		762
		763	movzx eax, [cfg_opt_value_launcher_start]
		764	mov [esi+BOOT_LO.launcher_start], al
		765
		766	movzx eax, [cfg_opt_value_debug_print]
		767	mov [esi+BOOT_LO.debug_print], al
		768
		769	mov [esi+BOOT_LO.dma], dl
		770	; mov qword[esi+BOOT_LO.pci_data], 0
		771	mov [esi+BOOT_LO.apm_entry], edx
		772	mov [esi+BOOT_LO.apm_version], dx
		773	mov [esi+BOOT_LO.apm_flags], dx
		774	mov [esi+BOOT_LO.apm_code_32], dx
		775	mov [esi+BOOT_LO.apm_code_16], dx
		776	mov [esi+BOOT_LO.apm_data_16], dx
		777	mov [esi+BOOT_LO.bios_hd_cnt], dl
		778
		779	movzx eax, [cfg_opt_value_imgfrom]
		780	mov [esi+BOOT_LO.rd_load_from], al
		781
		782	mov eax, dword[devicesdat_size]
		783	mov [rdx+BOOT_LO.devicesdat_size], eax
		784	mov eax, dword[devicesdat_data]
		785	mov [rdx+BOOT_LO.devicesdat_data], eax
		786
		787	mov rsi, cfg_opt_value_syspath
		788	mov rdi, BOOT_LO.syspath
		789	mov ecx, 0x17
		790	rep movsb
		791
8656	dunkaist	792	; kernel trampoline
		793	mov rsi, kernel_trampoline
		794	mov rdi, KERNEL_TRAMPOLINE
		795	mov ecx, kernel_trampoline.size
		796	rep movsb
8092	dunkaist	797
8656	dunkaist	798	mov rax, GDTR
		799	lgdt [cs:rax]
		800
8092	dunkaist	801	mov ax, DATA_32_SELECTOR
		802	mov ds, ax
		803	mov es, ax
		804	mov fs, ax
		805	mov gs, ax
		806	mov ss, ax
		807
		808	push CODE_32_SELECTOR
8656	dunkaist	809	mov rax, KERNEL_TRAMPOLINE
8092	dunkaist	810	push rax
		811	retf
		812
8150	dunkaist	813	.error:
		814	mov rbx, [efi_table]
		815	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	816	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
8150	dunkaist	817	msg_error
		818	jmp $
9227	dunkaist	819	endp
8092	dunkaist	820
8206	dunkaist	821	halt_on_error:
		822	test eax, eax
		823	jz @f
		824	call clearbuf
		825	mov rdi, msg
		826	call num2hex
		827	mov rbx, [efi_table]
		828	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	829	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
8206	dunkaist	830	msg_error
		831	mov rbx, [efi_table]
		832	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	833	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, msg
8206	dunkaist	834	jmp $
		835	@@:
		836	ret
		837
9227	dunkaist	838	proc get_protocol_interface uses rbx, _guid
		839	mov [_guid], rcx
		840	mov [prot_handlers_buffer_size], PROTOCOL_HANDLERS_BUFFER_SIZE
		841	mov rbx, [efi_table]
		842	mov rbx, [rbx+EFI_SYSTEM_TABLE.BootServices]
		843	fstcall [rbx+EFI_BOOT_SERVICES.LocateHandle], \
		844	EFI_LOCATE_SEARCH_TYPE.ByProtocol, [_guid], 0, \
		845	prot_handlers_buffer_size, prot_handlers_buffer
		846	mov [status], rax
		847
		848	mov rbx, [efi_table]
		849	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		850	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
		851	msg_protocol_buffer_size
		852	call clearbuf
		853	mov rax, [prot_handlers_buffer_size]
		854	mov rdi, msg
		855	call num2hex
		856	mov rbx, [efi_table]
		857	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		858	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, msg
		859
		860	mov rax, [status]
		861	test eax, eax
		862	jz @f
		863	call clearbuf
		864	mov rdi, msg
		865	call num2hex
		866	mov rbx, [efi_table]
		867	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		868	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
		869	msg_error
		870	mov rbx, [efi_table]
		871	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		872	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, msg
		873	jmp $
		874	@@:
		875
		876	mov rbx, [efi_table]
		877	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		878	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
		879	msg_look_for_handler
		880
		881	mov rbx, prot_handlers_buffer
		882	.try_next_handle:
		883	mov rax, rbx
		884	mov rcx, prot_handlers_buffer
		885	sub rax, rcx
		886	cmp rax, [prot_handlers_buffer_size]
		887	jb @f
		888	push rbx
		889	mov rbx, [efi_table]
		890	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		891	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
		892	msg_error_out_of_handlers
		893	pop rbx
		894	push rbx
		895	mov rbx, [efi_table]
		896	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		897	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
		898	msg_error
		899	pop rbx
		900	jmp $
		901	@@:
		902	push rbx
		903	mov rbx, [efi_table]
		904	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		905	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
		906	msg_query_handler
		907	pop rbx
		908
		909	mov r10, rbx
		910	push rbx
		911	mov rbx, [efi_table]
		912	mov rbx, [rbx+EFI_SYSTEM_TABLE.BootServices]
		913	fstcall [rbx+EFI_BOOT_SERVICES.HandleProtocol], qword[r10], [_guid], \
		914	prot_interface
		915	pop rbx
		916	;mov rax, 0x8000_0000_0000_0003
		917	test eax, eax
		918	jz @f
		919	call clearbuf
		920	mov rdi, msg
		921	call num2hex
		922	push rbx
		923	mov rbx, [efi_table]
		924	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		925	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, msg
		926	pop rbx
		927
		928	add rbx, 8
		929	jmp .try_next_handle
		930	@@:
		931	mov rax, [prot_interface]
		932	ret
		933	endp
		934
		935
8206	dunkaist	936	find_rsdp:
		937	push rbx
		938	mov rbx, [efi_table]
		939	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	940	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
8206	dunkaist	941	msg_look_for_rsdp
		942	pop rbx
		943
		944	mov rbx, [efi_table]
		945	mov rdi, [rbx+EFI_SYSTEM_TABLE.ConfigurationTable]
		946	mov rcx, [rbx+EFI_SYSTEM_TABLE.NumberOfTableEntries]
		947	mov rax, 0x11d3e4f18868e871
		948	mov rdx, 0x81883cc7800022bc
		949	.next_table:
		950	dec ecx
		951	js .all_tables_done
		952	cmp [rdi+0], rax
		953	jnz .not_acpi20
		954	cmp [rdi+8], rdx
		955	jnz .not_acpi20
		956	mov rax, [rdi+16]
		957	mov rdx, BOOT_LO.acpi_rsdp
		958	mov [rdx], eax
		959	jmp .all_tables_done
		960	.not_acpi20:
		961	add rdi, 24
		962	jmp .next_table
		963	.all_tables_done:
		964	ret
		965
9227	dunkaist	966	proc dump_pci_resources
		967	xor eax, eax
		968	mov rsi, [pcirbiop_resources]
		969	push rbx
		970	mov rbx, [efi_table]
		971	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		972	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
		973	msg_dump_pci_resources
		974	pop rbx
		975	.next_resource:
		976	call clearbuf
		977	movzx eax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.Type]
		978	cmp eax, EFI_RESOURCE_DESCRIPTOR_TYPE.END_TAG
		979	jz .done
		980	mov rdi, msg
		981	call num2hex
		982	push rbx
		983	mov rbx, [efi_table]
		984	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		985	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, msg
		986	pop rbx
		987	call clearbuf
		988	movzx eax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.ResourceType]
		989	mov rdi, msg
		990	call num2dec
		991	mov rax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.RangeMinimum]
		992	mov rdi, msg+2*2
		993	call num2hex
		994	mov rax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.RangeMaximum]
		995	mov rdi, msg+19*2
		996	call num2hex
		997	mov rax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.TranslationOffset]
		998	mov rdi, msg+36*2
		999	call num2hex
		1000	mov rax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.AddressLength]
		1001	mov rdi, msg+53*2
		1002	call num2hex
		1003	push rbx
		1004	mov rbx, [efi_table]
		1005	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
		1006	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, msg
		1007	pop rbx
		1008	movzx eax, [rsi+EFI_QWORD_ADDRESS_SPACE_DESCRIPTOR.Length]
		1009	add eax, 3
		1010	add rsi, rax
		1011	jmp .next_resource
		1012	.done:
		1013	ret
		1014	endp
		1015
8206	dunkaist	1016	calc_memmap:
		1017	mov rbx, [efi_table]
		1018	mov rbx, [rbx+EFI_SYSTEM_TABLE.BootServices]
9227	dunkaist	1019	fstcall [rbx+EFI_BOOT_SERVICES.AllocatePages], EFI_ALLOCATE_ANY_PAGES, \
8206	dunkaist	1020	EFI_RESERVED_MEMORY_TYPE, MEMORY_MAP_SIZE/0x1000, memory_map
		1021	call halt_on_error
		1022
		1023	mov rbx, [efi_table]
		1024	mov rbx, [rbx+EFI_SYSTEM_TABLE.BootServices]
9227	dunkaist	1025	fstcall [rbx+EFI_BOOT_SERVICES.GetMemoryMap], memory_map_size, \
8206	dunkaist	1026	[memory_map], memory_map_key, descriptor_size, descriptor_ver
		1027	call halt_on_error
		1028
		1029	mov rdi, BOOT_LO.memmap_blocks
8220	dunkaist	1030	mov dword[rdi-4], 0 ; memmap_block_cnt
8206	dunkaist	1031	mov rsi, [memory_map]
8220	dunkaist	1032	mov rbx, rsi
		1033	add rbx, [memory_map_size]
8206	dunkaist	1034	.next_descr:
		1035	call add_uefi_memmap
		1036	add rsi, [descriptor_size]
8220	dunkaist	1037	cmp rsi, rbx
		1038	jb .next_descr
8206	dunkaist	1039	ret
		1040
9227	dunkaist	1041	proc dump_memmap
8206	dunkaist	1042	xor eax, eax
		1043	mov rsi, BOOT_LO.memmap_blocks
		1044	mov ebx, [rax+BOOT_LO.memmap_block_cnt]
		1045
		1046	call clearbuf
		1047	mov eax, ebx
		1048	mov rdi, msg
		1049	call num2dec
		1050	push rbx
		1051	mov rbx, [efi_table]
		1052	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	1053	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, \
8206	dunkaist	1054	msg_memmap
		1055	pop rbx
		1056	push rbx
		1057	mov rbx, [efi_table]
		1058	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	1059	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, msg
8206	dunkaist	1060	pop rbx
		1061	call clearbuf
		1062	.next_mapping:
		1063	dec ebx
		1064	js .done
		1065	mov rax, rsi
		1066	mov rcx, BOOT_LO.memmap_blocks
		1067	sub rax, rcx
		1068	mov ecx, sizeof.e820entry
		1069	xor edx, edx
		1070	div ecx
		1071	mov rdi, msg
		1072	call num2dec
		1073	mov rax, [rsi+e820entry.addr]
		1074	mov rdi, msg+4*2
		1075	call num2hex
		1076	mov rax, [rsi+e820entry.size]
		1077	mov rdi, msg+24*2
		1078	call num2hex
		1079	push rbx
		1080	mov rbx, [efi_table]
		1081	mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
9227	dunkaist	1082	fstcall [rbx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rbx, msg
8206	dunkaist	1083	pop rbx
		1084	add rsi, sizeof.e820entry
		1085	jmp .next_mapping
		1086	.done:
		1087	ret
9227	dunkaist	1088	endp
8206	dunkaist	1089
8092	dunkaist	1090	; linux/arch/x86/platform/efi/efi.c
		1091	; do_add_efi_memmap
		1092	add_uefi_memmap:
8220	dunkaist	1093	xor eax, eax
		1094	cmp [rax+BOOT_LO.memmap_block_cnt], MAX_MEMMAP_BLOCKS
		1095	jz .done
8092	dunkaist	1096
8220	dunkaist	1097	mov rax, [rsi+EFI_MEMORY_DESCRIPTOR.PhysicalStart]
		1098	mov [rdi+e820entry.addr], rax
8092	dunkaist	1099
8220	dunkaist	1100	mov rax, [rsi+EFI_MEMORY_DESCRIPTOR.NumberOfPages]
8092	dunkaist	1101	shl rax, 12
		1102	mov [rdi+e820entry.size], rax
		1103
8220	dunkaist	1104	mov ecx, [rsi+EFI_MEMORY_DESCRIPTOR.Type]
		1105	cmp ecx, EFI_LOADER_CODE
		1106	jz .mem_ram_if_wb
		1107	cmp ecx, EFI_LOADER_DATA
		1108	jz .mem_ram_if_wb
		1109	cmp ecx, EFI_BOOT_SERVICES_CODE
		1110	jz .mem_ram_if_wb
		1111	cmp ecx, EFI_BOOT_SERVICES_DATA
		1112	jz .mem_ram_if_wb
		1113	cmp ecx, EFI_CONVENTIONAL_MEMORY
		1114	jz .mem_ram_if_wb
		1115	cmp ecx, EFI_ACPI_RECLAIM_MEMORY
8092	dunkaist	1116	mov eax, E820_ACPI
8220	dunkaist	1117	jz .type_done
		1118	cmp ecx, EFI_ACPI_MEMORY_NVS
8092	dunkaist	1119	mov eax, E820_NVS
8220	dunkaist	1120	jz .type_done
		1121	cmp ecx, EFI_UNUSABLE_MEMORY
8092	dunkaist	1122	mov eax, E820_UNUSABLE
8220	dunkaist	1123	jz .type_done
		1124	cmp ecx, EFI_PERSISTENT_MEMORY
8092	dunkaist	1125	mov eax, E820_PMEM
8220	dunkaist	1126	jz .type_done
		1127	jmp .reserved
		1128	.mem_ram_if_wb:
		1129	test [rsi+EFI_MEMORY_DESCRIPTOR.Attribute], dword EFI_MEMORY_WB
		1130	mov eax, E820_RAM
		1131	jnz .type_done
		1132	.reserved:
8092	dunkaist	1133	mov eax, E820_RESERVED
8220	dunkaist	1134	.type_done:
		1135	mov [rdi+e820entry.type], eax
		1136	cmp eax, E820_RAM
		1137	jnz @f
		1138	xor eax, eax
		1139	inc [rax+BOOT_LO.memmap_block_cnt]
		1140	add rdi, sizeof.e820entry
		1141	@@:
8150	dunkaist	1142	.done:
8092	dunkaist	1143	ret
		1144
		1145
		1146	num2dec:
		1147	push rax rbx rcx rdx rsi rdi
		1148
		1149	xor ecx, ecx
		1150	mov ebx, 10
8150	dunkaist	1151	.next_digit:
8092	dunkaist	1152	xor edx, edx
		1153	div ebx
		1154	push rdx
		1155	inc ecx
		1156	test eax, eax
		1157	jnz .next_digit
		1158
8150	dunkaist	1159	.next_char:
8092	dunkaist	1160	pop rax
		1161	add eax, '0'
		1162	stosw
		1163	loop .next_char
		1164
		1165	pop rdi rsi rdx rcx rbx rax
		1166	ret
		1167
		1168
		1169	num2hex:
		1170	push rax rbx rcx rdx rsi rdi
		1171
		1172	xchg rdx, rax
		1173	mov ecx, 16
8150	dunkaist	1174	.next_tetra:
8092	dunkaist	1175	rol rdx, 4
		1176	movzx eax, dl
		1177	and eax, 0x0f
		1178	movzx eax, byte[hex+eax]
		1179	stosw
		1180	loop .next_tetra
		1181
		1182	pop rdi rsi rdx rcx rbx rax
		1183	ret
		1184
		1185	hex db '0123456789ABCDEF'
		1186
		1187	clearbuf:
		1188	push rax rbx rcx rdx rsi rdi
		1189	mov eax, 0x0020
		1190	mov ecx, 79
		1191	mov rdi, msg
		1192	rep stosw
		1193	pop rdi rsi rdx rcx rbx rax
		1194	ret
		1195
8656	dunkaist	1196	use32
		1197	kernel_trampoline:
		1198	org KERNEL_TRAMPOLINE
		1199	mov eax, cr0
		1200	and eax, not CR0_PG
		1201	mov cr0, eax
		1202
		1203	mov ecx, MSR_AMD_EFER
		1204	rdmsr
		1205	btr eax, 8 ; LME
		1206	wrmsr
		1207
		1208	mov eax, cr4
		1209	and eax, not CR4_PAE
		1210	mov cr4, eax
		1211
		1212	push KERNEL_BASE
		1213	retn
		1214
8284	dunkaist	1215	align 16
8092	dunkaist	1216	GDTR:
		1217	dw 4*8-1
		1218	dq GDT
8284	dunkaist	1219	align 16
8092	dunkaist	1220	GDT:
		1221	dw 0, 0, 0, 0
		1222	dw 0FFFFh,0,9A00h,0CFh ; 32-bit code
		1223	dw 0FFFFh,0,9200h,0CFh ; flat data
		1224	dw 0FFFFh,0,9A00h,0AFh ; 64-bit code
8656	dunkaist	1225	assert $ < BOOT_LO
		1226	kernel_trampoline.size = $ - KERNEL_TRAMPOLINE
8092	dunkaist	1227
8656	dunkaist	1228	section '.rodata' data readable
9227	dunkaist	1229	gop_guid db EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID
		1230	lip_guid db EFI_LOADED_IMAGE_PROTOCOL_GUID
		1231	sfsp_guid db EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID
		1232	pcirbiop_guid db EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_GUID
8092	dunkaist	1233
8150	dunkaist	1234	file_name du '\EFI\KOLIBRIOS\KOLIBRI.INI',0
		1235	kernel_name du '\EFI\KOLIBRIOS\KOLIBRI.KRN',0
		1236	ramdisk_name du '\EFI\KOLIBRIOS\KOLIBRI.IMG',0
		1237	devicesdat_name du '\EFI\KOLIBRIOS\DEVICES.DAT',0
8092	dunkaist	1238
		1239	config_options dq cfg_opt_name_resolution, cfg_opt_func_resolution, \
		1240	cfg_opt_cmnt_resolution, \
		1241	cfg_opt_name_acpi, cfg_opt_func_acpi, cfg_opt_cmnt_acpi, \
		1242	cfg_opt_name_debug_print, cfg_opt_func_debug_print, \
		1243	cfg_opt_cmnt_debug_print, \
		1244	cfg_opt_name_launcher_start, cfg_opt_func_launcher_start, \
		1245	cfg_opt_cmnt_launcher_start, \
		1246	cfg_opt_name_mtrr, cfg_opt_func_mtrr, cfg_opt_cmnt_mtrr, \
		1247	cfg_opt_name_ask_params, cfg_opt_func_ask_params, \
		1248	cfg_opt_cmnt_ask_params, \
		1249	cfg_opt_name_imgfrom, cfg_opt_func_imgfrom, \
		1250	cfg_opt_cmnt_imgfrom, \
		1251	cfg_opt_name_syspath, cfg_opt_func_syspath, \
		1252	cfg_opt_cmnt_syspath, \
		1253
		1254
8150	dunkaist	1255	cfg_opt_name_resolution db "resolution",0
		1256	cfg_opt_name_acpi db "acpi",0
		1257	cfg_opt_name_debug_print db "debug_print",0
		1258	cfg_opt_name_launcher_start db "launcher_start",0
		1259	cfg_opt_name_mtrr db "mtrr",0
		1260	cfg_opt_name_ask_params db "ask_params",0
		1261	cfg_opt_name_imgfrom db "imgfrom",0
		1262	cfg_opt_name_syspath db "syspath",0
8092	dunkaist	1263
8150	dunkaist	1264	cfg_opt_cmnt_resolution db "# Graphic mode",0
		1265	cfg_opt_cmnt_acpi db "# ACPI settings",0xa, \
		1266	"# 0: don't use",0xa, \
		1267	"# 1: parse ACPI tables",0xa, \
		1268	"# 2: + call _PIC method",0xa, \
		1269	"# 3: + get APIC interrupts",0xa,0
		1270	cfg_opt_cmnt_debug_print db "# Duplicate debug output to the screen",0
8092	dunkaist	1271	cfg_opt_cmnt_launcher_start db "# Start LAUNCHER app after kernel is loaded",0
8150	dunkaist	1272	cfg_opt_cmnt_mtrr db "# Configure MTRR's",0
		1273	cfg_opt_cmnt_ask_params db "# Interrupt booting to ask the user for boot", \
		1274	" params",0
		1275	cfg_opt_cmnt_imgfrom db "# Where to load ramdisk image from",0
		1276	cfg_opt_cmnt_syspath db "# Path to /sys directory",0
8092	dunkaist	1277
8150	dunkaist	1278	msg_u4k_loaded du "uefi64kos loaded",13,10,0
9227	dunkaist	1279	msg_detect_pci_config du "Detect PCI configuration",13,10,0
		1280	msg_dump_pci_resources du "Dump PCI resources",13,10,0
		1281	msg_pci_last_bus du "Last PCI bus",13,10,0
8150	dunkaist	1282	msg_read_options du "Read options from config file",13,10,0
8206	dunkaist	1283	msg_file_size du "File size:",13,10,0
		1284	msg_parsing_config du "Parsing config file",13,10,0
8150	dunkaist	1285	msg_load_kernel du "Load kernel",13,10,0
		1286	msg_load_ramdisk du "Load ramdisk",13,10,0
		1287	msg_load_devicesdat du "Load DEVICES.DAT",13,10,0
		1288	msg_alloc_devicesdat du "Allocate memory for DEVICES.DAT",13,10,0
9227	dunkaist	1289	msg_locate_gop_interface du "Locate GOP interface",13,10,0
		1290	msg_look_for_handler du "Look for protocol handler",13,10,0
8150	dunkaist	1291	msg_query_handler du "Query handler",13,10,0
		1292	msg_query_vmode du "Query vmode",13,10,0
		1293	msg_vmode_found du "Video mode found",13,10,0
		1294	msg_look_for_rsdp du "Look for RSDP",13,10,0
		1295	msg_rsdp_found du "RSDP found",13,10,0
		1296	msg_acpi_tables_done du "ACPI tables done",13,10,0
		1297	msg_ask_for_params du "Ask for params",13,10,0
		1298	msg_set_graphic_mode du "Set graphic mode",13,10,0
		1299	msg_success du "Success!",13,10,0
9227	dunkaist	1300	msg_protocol_buffer_size du "Protocol buffer size",13,10,0
8206	dunkaist	1301	msg_opt_resolution du "Option resolution: ",0
		1302	msg_memmap du "Memmap",13,10,0
8150	dunkaist	1303	msg_error du "Error!",13,10,0
8206	dunkaist	1304	msg_error_efi_lip_handle du "efi_handle can't handle LIP",13,10,0
		1305	msg_error_lip_dev_sfsp du "LIP device handle can't handle SFSP",13,10,0
		1306	msg_error_sfsp_openvolume du "SFSP OpenVolume failed",13,10,0
8150	dunkaist	1307	msg_error_no_such_vmode du "No such vmode",13,10,0
		1308	msg_error_out_of_handlers du "Out of handlers",13,10,0
		1309	msg_error_open_file du "Error: can't open file ",0
8206	dunkaist	1310	msg_error_exit_boot_services du "Error: Exit boot services",13,10,0
8150	dunkaist	1311	msg du 79 dup " ",13,10,0
8092	dunkaist	1312
8284	dunkaist	1313	section '.data' data readable writeable
		1314	efi_handle dq 0
		1315	efi_table dq 0
9227	dunkaist	1316	;uefi_rsptmp dq 0
8284	dunkaist	1317
		1318	fb_base dq 0
		1319
9227	dunkaist	1320	prot_handlers_buffer_size dq ?
		1321	prot_interface dq ?
8284	dunkaist	1322	gop_interface dq 0
		1323	gop_info_size dq 0
		1324	gop_info dq 0
		1325
		1326	lip_interface dq 0
		1327
		1328	sfsp_interface dq 0
		1329
		1330	esp_root dq ?
		1331	file_handle dq ?
		1332	file_buffer_size dq FILE_BUFFER_SIZE-1 ; leave the last byte for \0
		1333
9227	dunkaist	1334	pcirbiop_interface dq ?
		1335	pcirbiop_resources dq ?
		1336	pci_last_bus db 254
		1337
8284	dunkaist	1338	cfg_opt_used_resolution db 0
		1339	cfg_opt_used_acpi db 0
		1340	cfg_opt_used_debug_print db 0
		1341	cfg_opt_used_launcher_start db 0
		1342	cfg_opt_used_mtrr db 0
		1343	cfg_opt_used_ask_params db 0
		1344	cfg_opt_used_imgfrom db 0
		1345	cfg_opt_used_syspath db 0
		1346
		1347	cfg_opt_value_vmode db 0
		1348	cfg_opt_value_acpi db 0
		1349	cfg_opt_value_debug_print db 0
		1350	cfg_opt_value_launcher_start db 1
		1351	cfg_opt_value_mtrr db 0
		1352	cfg_opt_value_ask_params db 0
		1353	cfg_opt_value_imgfrom db RD_LOAD_FROM_MEMORY
		1354	cfg_opt_value_syspath db "/RD/1",0
		1355	rb 20
		1356
		1357	memory_map_key dq 0
		1358	descriptor_size dq 0
		1359	descriptor_ver dq 0
		1360	memory_map_size dq MEMORY_MAP_SIZE
		1361
8092	dunkaist	1362	efi_fs_info_id db EFI_FILE_SYSTEM_INFO_ID
		1363	efi_fs_info_size dq sizeof.EFI_FILE_SYSTEM_INFO
		1364	efi_fs_info EFI_FILE_SYSTEM_INFO
		1365
		1366	memory_map dq ?
9227	dunkaist	1367	prot_handlers_buffer rq PROTOCOL_HANDLERS_BUFFER_SIZE/8
		1368	;gop_buffer rq PROTOCOL_HANDLERS_BUFFER_SIZE/8
		1369	pcirbio_buffer rq PROTOCOL_HANDLERS_BUFFER_SIZE/8
8092	dunkaist	1370	devicesdat_data dq 0xffffffff
		1371	devicesdat_size dq 0x1000
8150	dunkaist	1372	status dq ?
8092	dunkaist	1373
		1374	section '.reloc' fixups data discardable

Subversion Repositories Kolibri OS

(root)/kernel/trunk/bootloader/uefi4kos/uefi64kos.asm – Rev 9227