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1.1 root 1: # Kconfig SeaBIOS configuration
2:
3: mainmenu "SeaBIOS Configuration"
4:
5: menu "General Features"
6:
7: config COREBOOT
8: bool "Build for coreboot"
9: default n
10: help
11: Configure as a coreboot payload.
12:
13: config THREADS
14: bool "Parallelize hardware init"
15: default y
16: help
17: Support running hardware initialization in parallel.
18: config THREAD_OPTIONROMS
19: depends on THREADS
20: bool "Hardware init during option ROM execution"
21: default n
22: help
23: Allow hardware init to run in parallel with optionrom execution.
24:
25: config RELOCATE_INIT
26: bool "Copy init code to high memory"
27: default y
28: help
29: Support relocating the one time initialization code to high memory.
30:
31: config BOOTMENU
32: depends on BOOT
33: bool "Bootmenu"
34: default y
35: help
36: Support an interactive boot menu at end of post.
37: config BOOTMENU_WAIT
38: depends on BOOTMENU
39: int "Bootmenu delay"
40: default 2500
41: help
42: Amount of time (in ms) to wait at menu before selecting normal boot.
43: config BOOTSPLASH
44: depends on BOOTMENU
45: bool "Graphical boot splash screen"
46: default y
47: help
48: Support showing a graphical boot splash screen.
49:
50: config COREBOOT_FLASH
51: depends on COREBOOT
52: bool "coreboot CBFS support"
53: default y
54: help
55: Support searching coreboot flash format.
56: config LZMA
57: depends on COREBOOT_FLASH
58: bool "CBFS lzma support"
59: default y
60: help
61: Support CBFS files compressed using the lzma decompression
62: algorighm.
63: config FLASH_FLOPPY
64: depends on COREBOOT_FLASH
65: bool "Floppy images in CBFS"
66: default y
67: help
68: Support floppy images in coreboot flash.
69:
70: endmenu
71:
72: menu "Hardware support"
73: config ATA
74: depends on DRIVES
75: bool "ATA controllers"
76: default y
77: help
78: Support for IDE disk code.
79: config ATA_DMA
80: depends on ATA
81: bool "ATA DMA"
82: default n
83: help
84: Detect and try to use ATA bus mastering DMA controllers.
85: config ATA_PIO32
86: depends on ATA
87: bool "ATA 32bit PIO"
88: default n
89: help
90: Use 32bit PIO accesses on ATA (minor optimization on PCI transfers).
91: config AHCI
92: depends on DRIVES
93: bool "AHCI controllers"
94: default n
95: help
96: Support for AHCI disk code.
97: config VIRTIO_BLK
98: depends on DRIVES && !COREBOOT
99: bool "VirtIO controllers"
100: default y
101: help
102: Support boot from virtio storage.
103: config FLOPPY
104: depends on DRIVES
105: bool "Floppy controller"
106: default y
107: help
108: Support floppy drive access.
109:
110: config PS2PORT
111: depends on KEYBOARD || MOUSE
112: bool "PS/2 port"
113: default y
114: help
115: Support PS2 ports (keyboard and mouse).
116:
117: config USB
118: bool "USB"
119: default y
120: help
121: Support USB devices.
122: config USB_UHCI
123: depends on USB
124: bool "USB UHCI controllers"
125: default y
126: help
127: Support USB UHCI controllers.
128: config USB_OHCI
129: depends on USB
130: bool "USB OHCI controllers"
131: default y
132: help
133: Support USB OHCI controllers.
134: config USB_EHCI
135: depends on USB
136: bool "USB EHCI controllers"
137: default y
138: help
139: Support USB EHCI controllers.
140: config USB_MSC
141: depends on USB && DRIVES
142: bool "USB drives"
143: default y
144: help
145: Support USB disks.
146: config USB_HUB
147: depends on USB
148: bool "USB hubs"
149: default y
150: help
151: Support USB hubs.
152: config USB_KEYBOARD
153: depends on USB && KEYBOARD
154: bool "USB keyboards"
155: default y
156: help
157: Support USB keyboards.
158: config USB_MOUSE
159: depends on USB && MOUSE
160: bool "USB mice"
161: default y
162: help
163: Support USB mice.
164:
165: config SERIAL
166: bool "Serial port"
167: default y
168: help
169: Support serial ports. This also enables int 14 serial port calls.
170: config LPT
171: bool "Parallel port"
172: default y
173: help
174: Support parallel ports. This also enables int 17 parallel port calls.
175:
176: config EXTRA_PCI_ROOTS
177: bool "Extra root buses"
178: default n
179: help
180: If the target machine has multiple independent root buses,
181: the extra buses may be specified here.
182: config PCI_ROOT1
183: depends on EXTRA_PCI_ROOTS
184: hex "Extra primary PCI root bus number"
185: default 0x00
186: config PCI_ROOT2
187: depends on EXTRA_PCI_ROOTS
188: hex "Extra secondary PCI root bus number"
189: default 0x00
190:
191: config USE_SMM
192: depends on !COREBOOT
193: bool "System Management Mode (SMM)"
194: default y
195: help
196: Support System Management Mode (on emulators).
197: config MTRR_INIT
198: depends on !COREBOOT
199: bool "Initialize MTRRs"
200: default y
201: help
202: Initialize the Memory Type Range Registers (on emulators).
203: endmenu
204:
205: menu "BIOS interfaces"
206: config DRIVES
207: bool "Drive interface"
208: default y
209: help
210: Support int13 disk/floppy drive functions.
211:
212: config CDROM_BOOT
213: depends on DRIVES
214: bool "DVD/CDROM booting"
215: default y
216: help
217: Support for booting from a CD. (El Torito spec support.)
218: config CDROM_EMU
219: depends on CDROM_BOOT
220: bool "DVD/CDROM boot drive emulation"
221: default y
222: help
223: Support bootable CDROMs that emulate a floppy/harddrive.
224:
225: config PCIBIOS
226: bool "PCIBIOS interface"
227: default y
228: help
229: Support int 1a/b1 PCI BIOS calls.
230: config APMBIOS
231: bool "APM interface"
232: default y
233: help
234: Support int 15/53 APM BIOS calls.
235: config PNPBIOS
236: bool "PnP BIOS interface"
237: default y
238: help
239: Support PnP BIOS entry point.
240: config OPTIONROMS
241: bool "Option ROMS"
242: default y
243: help
244: Support finding and running option roms during POST.
245: config OPTIONROMS_DEPLOYED
246: depends on OPTIONROMS
247: bool "Option roms are already at 0xc0000-0xf0000"
248: default n
249: help
250: Select this if option ROMs are already copied to
251: 0xc0000-0xf0000. This must only be selected when using
252: Bochs or QEMU versions older than 0.12.
253: config OPTIONROMS_CHECKSUM
254: depends on OPTIONROMS
255: bool "Require correct checksum on option ROMs"
256: default y
257: help
258: Option ROMs are required to have correct checksums.
259: However, some option ROMs in the wild don't correctly
260: follow the specifications and have bad checksums.
261: Say N here to allow SeaBIOS to execute them anyways.
262:
263: If unsure, say Y.
264: config PMM
265: depends on OPTIONROMS
266: bool "PMM interface"
267: default y
268: help
269: Support Post Memory Manager (PMM) entry point.
270: config BOOT
271: bool "Boot interface"
272: default y
273: help
274: Support int 19/18 system bootup support.
275: config KEYBOARD
276: bool "Keyboard interface"
277: default y
278: help
279: Support int 16 keyboard calls.
280: config KBD_CALL_INT15_4F
281: depends on KEYBOARD
282: bool "Keyboard hook interface"
283: default y
284: help
285: Support calling int155f on each keyboard event.
286: config MOUSE
287: bool "Mouse interface"
288: default y
289: help
290: Support for int15c2 mouse calls.
291:
292: config S3_RESUME
293: bool "S3 resume"
294: default y
295: help
296: Support S3 resume handler.
297: config S3_RESUME_VGA_INIT
298: depends on S3_RESUME
299: bool "Run VGA rom on S3 resume"
300: default n
301: help
302: Run the vga rom during S3 resume.
303:
304: config VGAHOOKS
305: depends on COREBOOT
306: bool "Hardware specific VGA helpers"
307: default y
308: help
309: Support int 155f BIOS callbacks specific to some Intel and
310: VIA on-board vga devices.
311:
312: config DISABLE_A20
313: bool "Disable A20"
314: default n
315: help
316: Disable A20 on 16bit boot.
317: endmenu
318:
319: menu "BIOS Tables"
320: config PIRTABLE
321: depends on !COREBOOT
322: bool "PIR table"
323: default y
324: help
325: Support generation of a PIR table in 0xf000 segment.
326: config MPTABLE
327: depends on !COREBOOT
328: bool "MPTable"
329: default y
330: help
331: Support generation of MPTable.
332: config SMBIOS
333: bool "SMBIOS"
334: default y
335: help
336: Support generation of SM BIOS tables. This is also
337: sometimes called DMI.
338: config ACPI
339: depends on !COREBOOT
340: bool "ACPI"
341: default y
342: help
343: Support generation of ACPI tables.
344: endmenu
345:
346: menu "Debugging"
347: config DEBUG_LEVEL
348: int "Debug level"
349: default 1
350: help
351: Control how verbose debug output is. The higher the
352: number, the more verbose SeaBIOS will be.
353:
354: Set to zero to disable debugging.
355:
356: config DEBUG_SERIAL
357: depends on DEBUG_LEVEL != 0
358: bool "Serial port debugging"
359: default n
360: help
361: Send debugging information to serial port.
362:
363: config SCREEN_AND_DEBUG
364: depends on DEBUG_LEVEL != 0
365: bool "Show screen writes on debug ports"
366: default y
367: help
368: Send characters that SeaBIOS writes to the screen to the
369: debug ports.
370: endmenu
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