1 # SPDX-License-Identifier: GPL-2.0
2
3 config PPC_DISABLE_WERROR
4 bool "Don't build arch/powerpc code wi
5 help
6 This option tells the compiler NOT t
7 arch/powerpc with the -Werror flag (
8 are treated as errors).
9
10 Only enable this if you are hitting
11 arch/powerpc code caused by a warnin
12 inclined to fix it.
13
14 config PPC_WERROR
15 bool
16 depends on !PPC_DISABLE_WERROR
17 default y
18
19 config PRINT_STACK_DEPTH
20 int "Stack depth to print" if DEBUG_KE
21 default 64
22 help
23 This option allows you to set the st
24 prints in stack traces. This can be
25 too small and stack traces cause imp
26 scroll off the screen.
27
28 config HCALL_STATS
29 bool "Hypervisor call instrumentation"
30 depends on PPC_PSERIES && DEBUG_FS &&
31 help
32 Adds code to keep track of the numbe
33 the amount of time spent in hypervis
34 each call is always calculated, and
35 are also calculated. A directory na
36 root of the debugfs filesystem. Wit
37 are files that contain CPU specific
38
39 This option will add a small amount
40 calls.
41
42 config PPC_EMULATED_STATS
43 bool "Emulated instructions tracking"
44 depends on DEBUG_FS
45 help
46 Adds code to keep track of the numbe
47 emulated by the in-kernel emulator.
48 of emulated instructions are availab
49 powerpc/emulated_instructions/ in th
50 system. Optionally (controlled by
51 powerpc/emulated_instructions/do_war
52 warnings can be printed to the conso
53 emulated.
54
55 config CODE_PATCHING_SELFTEST
56 bool "Run self-tests of the code-patch
57 depends on DEBUG_KERNEL
58
59 config JUMP_LABEL_FEATURE_CHECKS
60 bool "Enable use of jump label for cpu
61 depends on JUMP_LABEL
62 default y
63 help
64 Selecting this options enables use o
65 feature checks. This should generate
66 checks.
67
68 config JUMP_LABEL_FEATURE_CHECK_DEBUG
69 bool "Do extra check on feature fixup
70 depends on DEBUG_KERNEL && JUMP_LABEL_
71 help
72 This tries to catch incorrect usage
73 mmu_has_feature() in the code.
74
75 If you don't know what this means, s
76
77 config FTR_FIXUP_SELFTEST
78 bool "Run self-tests of the feature-fi
79 depends on DEBUG_KERNEL
80
81 config MSI_BITMAP_SELFTEST
82 bool "Run self-tests of the MSI bitmap
83 depends on DEBUG_KERNEL
84
85 config GUEST_STATE_BUFFER_TEST
86 def_tristate n
87 prompt "Enable Guest State Buffer unit
88 depends on KUNIT
89 depends on KVM_BOOK3S_HV_POSSIBLE
90 default KUNIT_ALL_TESTS
91 help
92 The Guest State Buffer is a data for
93 It is by hcalls to communicate the s
94 the L1 and L0 hypervisors. Enable un
95 used to create and use guest state b
96
97 config PPC_IRQ_SOFT_MASK_DEBUG
98 bool "Include extra checks for powerpc
99 depends on PPC64
100
101 config PPC_RFI_SRR_DEBUG
102 bool "Include extra checks for RFI SRR
103 depends on PPC_BOOK3S_64
104
105 config XMON
106 bool "Include xmon kernel debugger"
107 depends on DEBUG_KERNEL
108 select CONSOLE_POLL if SERIAL_CPM_CONS
109 help
110 Include in-kernel hooks for the xmon
111 Unless you are intending to debug th
112 Make sure to enable also CONFIG_BOOT
113 nothing will appear on the screen (x
114 framebuffer memory).
115 The cmdline option 'xmon' or 'xmon=e
116 very early during boot. 'xmon=on' wi
117 debugger hooks. 'xmon=off' will dis
118 if CONFIG_XMON_DEFAULT is set.
119 xmon will print a backtrace on the v
120 'xmon=nobt' will disable this autoba
121
122 config XMON_DEFAULT
123 bool "Enable xmon by default"
124 depends on XMON
125 help
126 xmon is normally disabled unless boo
127 Use 'xmon=off' to disable xmon init
128
129 config XMON_DISASSEMBLY
130 bool "Include disassembly support in x
131 depends on XMON
132 default y
133 help
134 Include support for disassembling in
135 to say Y here, unless you're buildin
136 system.
137
138 config XMON_DEFAULT_RO_MODE
139 bool "Restrict xmon to read-only opera
140 depends on XMON
141 default y
142 help
143 Operate xmon in read-only mode. The
144 'xmon=ro' override this default.
145
146 config DEBUGGER
147 bool
148 depends on KGDB || XMON
149 default y
150
151 config BDI_SWITCH
152 bool "Include BDI-2000 user context sw
153 depends on DEBUG_KERNEL && PPC32
154 help
155 Include in-kernel support for the Ab
156 Unless you are intending to debug th
157 machines, say N here.
158
159 config BOOTX_TEXT
160 bool "Support for early boot text cons
161 depends on PPC_BOOK3S
162 select FONT_SUN8x16
163 select FONT_SUPPORT
164 help
165 Say Y here to see progress messages
166 mode. Requires either BootX or Open
167
168 config PPC_EARLY_DEBUG
169 bool "Early debugging (dangerous)"
170 help
171 Say Y to enable some early debugging
172 for your processor/board combination
173 intended to debug problems early dur
174 enabled in a production kernel.
175 Note that enabling this will also ca
176 to be pushed to max automatically ve
177
178 choice
179 prompt "Early debugging console"
180 depends on PPC_EARLY_DEBUG
181 help
182 Use the selected console for early d
183 enable debugging for the wrong type
184 _will not boot_.
185
186 config PPC_EARLY_DEBUG_BOOTX
187 bool "BootX or OpenFirmware"
188 depends on BOOTX_TEXT
189 help
190 Select this to enable early debuggin
191 or OpenFirmware.
192
193 config PPC_EARLY_DEBUG_LPAR
194 bool "LPAR HV Console"
195 depends on PPC_PSERIES && HVC_CONSOLE
196 help
197 Select this to enable early debuggin
198 console on vterm 0.
199
200 config PPC_EARLY_DEBUG_LPAR_HVSI
201 bool "LPAR HVSI Console"
202 depends on PPC_PSERIES && HVC_CONSOLE
203 help
204 Select this to enable early debuggin
205 console on a specified vterm.
206
207 config PPC_EARLY_DEBUG_G5
208 bool "Apple G5"
209 depends on PPC_PMAC64
210 help
211 Select this to enable early debuggin
212
213 config PPC_EARLY_DEBUG_RTAS_PANEL
214 bool "RTAS Panel"
215 depends on PPC_RTAS
216 help
217 Select this to enable early debuggin
218
219 config PPC_EARLY_DEBUG_RTAS_CONSOLE
220 bool "RTAS Console"
221 depends on PPC_RTAS
222 select UDBG_RTAS_CONSOLE
223 help
224 Select this to enable early debuggin
225
226 config PPC_EARLY_DEBUG_MAPLE
227 bool "Maple real mode"
228 depends on PPC_MAPLE
229 help
230 Select this to enable early debuggin
231
232 config PPC_EARLY_DEBUG_PAS_REALMODE
233 bool "PA Semi real mode"
234 depends on PPC_PASEMI
235 help
236 Select this to enable early debuggin
237 Output will be on UART0.
238
239 config PPC_EARLY_DEBUG_44x
240 bool "Early serial debugging for IBM/A
241 depends on 44x
242 help
243 Select this to enable early debuggin
244 inbuilt serial port. If you enable
245 PPC_EARLY_DEBUG_44x_PHYSLOW below to
246
247 config PPC_EARLY_DEBUG_CPM
248 bool "Early serial debugging for Frees
249 depends on SERIAL_CPM=y
250 help
251 Select this to enable early debuggin
252 using a CPM-based serial port. This
253 has run, and set up the CPM in a par
254
255 config PPC_EARLY_DEBUG_USBGECKO
256 bool "Early debugging through the USB
257 depends on GAMECUBE_COMMON
258 select USBGECKO_UDBG
259 help
260 Select this to enable early debuggin
261 consoles via an external USB Gecko a
262
263 config PPC_EARLY_DEBUG_PS3GELIC
264 bool "Early debugging through the PS3
265 depends on PPC_PS3
266 help
267 Select this to enable early debuggin
268 UDP broadcasts sent out through the
269
270 config PPC_EARLY_DEBUG_OPAL_RAW
271 bool "OPAL raw console"
272 depends on HVC_OPAL
273 help
274 Select this to enable early debuggin
275 using a "raw" console
276
277 config PPC_EARLY_DEBUG_OPAL_HVSI
278 bool "OPAL hvsi console"
279 depends on HVC_OPAL
280 help
281 Select this to enable early debuggin
282 using an "hvsi" console
283
284 config PPC_EARLY_DEBUG_MEMCONS
285 bool "In memory console"
286 help
287 Select this to enable early debuggin
288 This console provides input and outp
289 kernel BSS and should be safe to sel
290 can then be used to read kernel outp
291
292 config PPC_EARLY_DEBUG_16550
293 bool "Serial 16550"
294 depends on PPC_UDBG_16550
295 help
296 Select this to enable early debuggin
297 endchoice
298
299 config PPC_MEMCONS_OUTPUT_SIZE
300 int "In memory console output buffer s
301 depends on PPC_EARLY_DEBUG_MEMCONS
302 default 4096
303 help
304 Selects the size of the output buffe
305 console.
306
307 config PPC_MEMCONS_INPUT_SIZE
308 int "In memory console input buffer si
309 depends on PPC_EARLY_DEBUG_MEMCONS
310 default 128
311 help
312 Selects the size of the input buffer
313 console.
314
315 config PPC_EARLY_DEBUG_OPAL
316 def_bool y
317 depends on PPC_EARLY_DEBUG_OPAL_RAW ||
318
319 config PPC_EARLY_DEBUG_HVSI_VTERMNO
320 hex "vterm number to use with early de
321 depends on PPC_EARLY_DEBUG_LPAR_HVSI
322 default "0x30000000"
323 help
324 You probably want 0x30000000 for you
325 0x30000001 for your second one
326
327 config PPC_EARLY_DEBUG_OPAL_VTERMNO
328 hex "vterm number to use with OPAL ear
329 depends on PPC_EARLY_DEBUG_OPAL
330 default "0"
331 help
332 This correspond to which /dev/hvcN y
333 debug.
334
335 On OPAL v2, this will be 0 for netwo
336 the machine built-in serial ports.
337
338 config PPC_EARLY_DEBUG_44x_PHYSLOW
339 hex "Low 32 bits of early debug UART p
340 depends on PPC_EARLY_DEBUG_44x
341 default "0x40000200"
342 help
343 You probably want 0x40000200 for ebo
344 0x40000300 for taishan
345
346 config PPC_EARLY_DEBUG_44x_PHYSHIGH
347 hex "EPRN of early debug UART physical
348 depends on PPC_EARLY_DEBUG_44x
349 default "0x1"
350
351 config PPC_EARLY_DEBUG_CPM_ADDR
352 hex "CPM UART early debug transmit des
353 depends on PPC_EARLY_DEBUG_CPM
354 default "0xfa202008" if PPC_EP88XC
355 default "0xf0001ff8" if CPM2
356 default "0xff002008" if CPM1
357 help
358 This specifies the address of the tr
359 used for early debug output. Becaus
360 platform probing is done, all platfo
361 share the same address.
362
363 config PPC_EARLY_DEBUG_16550_PHYSADDR
364 hex "Early debug Serial 16550 physical
365 depends on PPC_EARLY_DEBUG_16550
366
367 config PPC_EARLY_DEBUG_16550_STRIDE
368 int "Early debug Serial 16550 stride"
369 depends on PPC_EARLY_DEBUG_16550
370 default 1
371
372 config FAIL_IOMMU
373 bool "Fault-injection capability for I
374 depends on FAULT_INJECTION
375 depends on PCI || IBMVIO
376 help
377 Provide fault-injection capability f
378 be selectively enabled via the fail_
379
380 If you are unsure, say N.
381
382 config KASAN_SHADOW_OFFSET
383 hex
384 depends on KASAN
385 default 0xe0000000 if PPC32
386 default 0xa80e000000000000 if PPC_BOOK
387 default 0xa8001c0000000000 if PPC_BOOK
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