Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) # SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) config PPC_DISABLE_WERROR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) 	bool "Don't build arch/powerpc code with -Werror"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) 	  This option tells the compiler NOT to build the code under
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 	  arch/powerpc with the -Werror flag (which means warnings
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) 	  are treated as errors).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) 	  Only enable this if you are hitting a build failure in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) 	  arch/powerpc code caused by a warning, and you don't feel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) 	  inclined to fix it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) config PPC_WERROR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) 	bool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 	depends on !PPC_DISABLE_WERROR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 	default y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) config PRINT_STACK_DEPTH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 	int "Stack depth to print" if DEBUG_KERNEL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 	default 64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	  This option allows you to set the stack depth that the kernel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 	  prints in stack traces. This can be useful if your display is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 	  too small and stack traces cause important information to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 	  scroll off the screen.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) config HCALL_STATS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	bool "Hypervisor call instrumentation"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	depends on PPC_PSERIES && DEBUG_FS && TRACEPOINTS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	  Adds code to keep track of the number of hypervisor calls made and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	  the amount of time spent in hypervisor calls.  Wall time spent in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	  each call is always calculated, and if available CPU cycles spent
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	  are also calculated.  A directory named hcall_inst is added at the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	  root of the debugfs filesystem.  Within the hcall_inst directory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	  are files that contain CPU specific call statistics.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	  This option will add a small amount of overhead to all hypervisor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	  calls.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) config PPC_EMULATED_STATS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	bool "Emulated instructions tracking"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	depends on DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	  Adds code to keep track of the number of instructions that are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	  emulated by the in-kernel emulator. Counters for the various classes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	  of emulated instructions are available under
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	  powerpc/emulated_instructions/ in the root of the debugfs file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	  system. Optionally (controlled by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	  powerpc/emulated_instructions/do_warn in debugfs), rate-limited
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	  warnings can be printed to the console when instructions are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	  emulated.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) config CODE_PATCHING_SELFTEST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	bool "Run self-tests of the code-patching code"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	depends on DEBUG_KERNEL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) config JUMP_LABEL_FEATURE_CHECKS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	bool "Enable use of jump label for cpu/mmu_has_feature()"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	depends on JUMP_LABEL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	default y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	  Selecting this options enables use of jump labels for some internal
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	  feature checks. This should generate more optimal code for those
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	  checks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) config JUMP_LABEL_FEATURE_CHECK_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	bool "Do extra check on feature fixup calls"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	depends on DEBUG_KERNEL && JUMP_LABEL_FEATURE_CHECKS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	  This tries to catch incorrect usage of cpu_has_feature() and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	  mmu_has_feature() in the code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	  If you don't know what this means, say N.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) config FTR_FIXUP_SELFTEST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	bool "Run self-tests of the feature-fixup code"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	depends on DEBUG_KERNEL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) config MSI_BITMAP_SELFTEST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	bool "Run self-tests of the MSI bitmap code"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	depends on DEBUG_KERNEL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) config PPC_IRQ_SOFT_MASK_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	bool "Include extra checks for powerpc irq soft masking"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) config XMON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	bool "Include xmon kernel debugger"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	depends on DEBUG_KERNEL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	  Include in-kernel hooks for the xmon kernel monitor/debugger.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	  Unless you are intending to debug the kernel, say N here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	  Make sure to enable also CONFIG_BOOTX_TEXT on Macs. Otherwise
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	  nothing will appear on the screen (xmon writes directly to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	  framebuffer memory).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	  The cmdline option 'xmon' or 'xmon=early' will drop into xmon
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	  very early during boot. 'xmon=on' will just enable the xmon
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	  debugger hooks.  'xmon=off' will disable the debugger hooks
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	  if CONFIG_XMON_DEFAULT is set.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	  xmon will print a backtrace on the very first invocation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	  'xmon=nobt' will disable this autobacktrace.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) config XMON_DEFAULT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	bool "Enable xmon by default"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	depends on XMON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	  xmon is normally disabled unless booted with 'xmon=on'.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	  Use 'xmon=off' to disable xmon init during runtime.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) config XMON_DISASSEMBLY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	bool "Include disassembly support in xmon"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	depends on XMON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	default y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	  Include support for disassembling in xmon. You probably want
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	  to say Y here, unless you're building for a memory-constrained
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	  system.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) config XMON_DEFAULT_RO_MODE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	bool "Restrict xmon to read-only operations by default"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	depends on XMON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	default y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	  Operate xmon in read-only mode. The cmdline options 'xmon=rw' and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	  'xmon=ro' override this default.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) config DEBUGGER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	bool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	depends on KGDB || XMON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	default y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) config BDI_SWITCH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	bool "Include BDI-2000 user context switcher"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	depends on DEBUG_KERNEL && PPC32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	  Include in-kernel support for the Abatron BDI2000 debugger.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	  Unless you are intending to debug the kernel with one of these
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	  machines, say N here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) config BOOTX_TEXT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	bool "Support for early boot text console (BootX or OpenFirmware only)"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	depends on PPC_BOOK3S
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	  Say Y here to see progress messages from the boot firmware in text
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	  mode. Requires either BootX or Open Firmware.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) config PPC_EARLY_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	bool "Early debugging (dangerous)"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	  Say Y to enable some early debugging facilities that may be available
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	  for your processor/board combination. Those facilities are hacks
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	  intended to debug problems early during boot, this should not be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	  enabled in a production kernel.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	  Note that enabling this will also cause the kernel default log level
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	  to be pushed to max automatically very early during boot
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) choice
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	prompt "Early debugging console"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	depends on PPC_EARLY_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	  Use the selected console for early debugging. Careful, if you
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	  enable debugging for the wrong type of machine your kernel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	  _will not boot_.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) config PPC_EARLY_DEBUG_BOOTX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	bool "BootX or OpenFirmware"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	depends on BOOTX_TEXT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	  Select this to enable early debugging for a machine using BootX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	  or OpenFirmware.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) config PPC_EARLY_DEBUG_LPAR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	bool "LPAR HV Console"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	depends on PPC_PSERIES && HVC_CONSOLE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	  Select this to enable early debugging for a machine with a HVC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	  console on vterm 0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) config PPC_EARLY_DEBUG_LPAR_HVSI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	bool "LPAR HVSI Console"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	depends on PPC_PSERIES && HVC_CONSOLE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	  Select this to enable early debugging for a machine with a HVSI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	  console on a specified vterm.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) config PPC_EARLY_DEBUG_G5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	bool "Apple G5"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	depends on PPC_PMAC64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	  Select this to enable early debugging for Apple G5 machines.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) config PPC_EARLY_DEBUG_RTAS_PANEL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	bool "RTAS Panel"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	depends on PPC_RTAS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	  Select this to enable early debugging via the RTAS panel.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) config PPC_EARLY_DEBUG_RTAS_CONSOLE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	bool "RTAS Console"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	depends on PPC_RTAS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	select UDBG_RTAS_CONSOLE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	  Select this to enable early debugging via the RTAS console.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) config PPC_EARLY_DEBUG_MAPLE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	bool "Maple real mode"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	depends on PPC_MAPLE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	  Select this to enable early debugging for Maple.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) config PPC_EARLY_DEBUG_PAS_REALMODE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	bool "PA Semi real mode"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	depends on PPC_PASEMI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	  Select this to enable early debugging for PA Semi.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	  Output will be on UART0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) config PPC_EARLY_DEBUG_44x
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	bool "Early serial debugging for IBM/AMCC 44x CPUs"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	depends on 44x
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	  Select this to enable early debugging for IBM 44x chips via the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	  inbuilt serial port.  If you enable this, ensure you set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	  PPC_EARLY_DEBUG_44x_PHYSLOW below to suit your target board.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) config PPC_EARLY_DEBUG_40x
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	bool "Early serial debugging for IBM/AMCC 40x CPUs"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	depends on 40x
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	  Select this to enable early debugging for IBM 40x chips via the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	  inbuilt serial port. This works on chips with a 16550 compatible
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	  UART.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) config PPC_EARLY_DEBUG_CPM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	bool "Early serial debugging for Freescale CPM-based serial ports"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 	depends on SERIAL_CPM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	  Select this to enable early debugging for Freescale chips
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	  using a CPM-based serial port.  This assumes that the bootwrapper
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	  has run, and set up the CPM in a particular way.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) config PPC_EARLY_DEBUG_USBGECKO
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	bool "Early debugging through the USB Gecko adapter"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	depends on GAMECUBE_COMMON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	select USBGECKO_UDBG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	  Select this to enable early debugging for Nintendo GameCube/Wii
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	  consoles via an external USB Gecko adapter.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) config PPC_EARLY_DEBUG_PS3GELIC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	bool "Early debugging through the PS3 Ethernet port"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	depends on PPC_PS3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	select PS3GELIC_UDBG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	  Select this to enable early debugging for the PlayStation3 via
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 	  UDP broadcasts sent out through the Ethernet port.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) config PPC_EARLY_DEBUG_OPAL_RAW
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	bool "OPAL raw console"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 	depends on HVC_OPAL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 	  Select this to enable early debugging for the PowerNV platform
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	  using a "raw" console
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) config PPC_EARLY_DEBUG_OPAL_HVSI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	bool "OPAL hvsi console"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	depends on HVC_OPAL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	  Select this to enable early debugging for the PowerNV platform
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 	  using an "hvsi" console
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) config PPC_EARLY_DEBUG_MEMCONS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 	bool "In memory console"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	  Select this to enable early debugging using an in memory console.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 	  This console provides input and output buffers stored within the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	  kernel BSS and should be safe to select on any system. A debugger
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	  can then be used to read kernel output or send input to the console.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) endchoice
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) config PPC_MEMCONS_OUTPUT_SIZE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	int "In memory console output buffer size"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	depends on PPC_EARLY_DEBUG_MEMCONS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	default 4096
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 	  Selects the size of the output buffer (in bytes) of the in memory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 	  console.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) config PPC_MEMCONS_INPUT_SIZE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 	int "In memory console input buffer size"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 	depends on PPC_EARLY_DEBUG_MEMCONS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	default 128
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	  Selects the size of the input buffer (in bytes) of the in memory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 	  console.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) config PPC_EARLY_DEBUG_OPAL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	def_bool y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 	depends on PPC_EARLY_DEBUG_OPAL_RAW || PPC_EARLY_DEBUG_OPAL_HVSI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) config PPC_EARLY_DEBUG_HVSI_VTERMNO
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 	hex "vterm number to use with early debug HVSI"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 	depends on PPC_EARLY_DEBUG_LPAR_HVSI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 	default "0x30000000"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 	  You probably want 0x30000000 for your first serial port and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 	  0x30000001 for your second one
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) config PPC_EARLY_DEBUG_OPAL_VTERMNO
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	hex "vterm number to use with OPAL early debug"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	depends on PPC_EARLY_DEBUG_OPAL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 	default "0"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 	  This correspond to which /dev/hvcN you want to use for early
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	  debug.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 	  On OPAL v2, this will be 0 for network console and 1 or 2 for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 	  the machine built-in serial ports.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) config PPC_EARLY_DEBUG_44x_PHYSLOW
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 	hex "Low 32 bits of early debug UART physical address"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 	depends on PPC_EARLY_DEBUG_44x
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 	default "0x40000200"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 	  You probably want 0x40000200 for ebony boards and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 	  0x40000300 for taishan
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) config PPC_EARLY_DEBUG_44x_PHYSHIGH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 	hex "EPRN of early debug UART physical address"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 	depends on PPC_EARLY_DEBUG_44x
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 	default "0x1"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) config PPC_EARLY_DEBUG_40x_PHYSADDR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 	hex "Early debug UART physical address"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 	depends on PPC_EARLY_DEBUG_40x
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 	default "0xef600300"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) config PPC_EARLY_DEBUG_CPM_ADDR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 	hex "CPM UART early debug transmit descriptor address"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 	depends on PPC_EARLY_DEBUG_CPM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 	default "0xfa202008" if PPC_EP88XC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 	default "0xf0001ff8" if CPM2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 	default "0xff002008" if CPM1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 	  This specifies the address of the transmit descriptor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 	  used for early debug output.  Because it is needed before
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 	  platform probing is done, all platforms selected must
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 	  share the same address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) config FAIL_IOMMU
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 	bool "Fault-injection capability for IOMMU"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 	depends on FAULT_INJECTION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 	depends on PCI || IBMVIO
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 	  Provide fault-injection capability for IOMMU. Each device can
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 	  be selectively enabled via the fail_iommu property.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 	  If you are unsure, say N.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) config PPC_PTDUMP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 	bool "Export kernel pagetable layout to userspace via debugfs"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 	depends on DEBUG_KERNEL && DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 	  This option exports the state of the kernel pagetables to a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 	  debugfs file. This is only useful for kernel developers who are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 	  working in architecture specific areas of the kernel - probably
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 	  not a good idea to enable this feature in a production kernel.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 	  If you are unsure, say N.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) config PPC_DEBUG_WX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 	bool "Warn on W+X mappings at boot"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 	depends on PPC_PTDUMP && STRICT_KERNEL_RWX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 	  Generate a warning if any W+X mappings are found at boot.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 	  This is useful for discovering cases where the kernel is leaving
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 	  W+X mappings after applying NX, as such mappings are a security risk.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 	  Note that even if the check fails, your kernel is possibly
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 	  still fine, as W+X mappings are not a security hole in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 	  themselves, what they do is that they make the exploitation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 	  of other unfixed kernel bugs easier.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 	  There is no runtime or memory usage effect of this option
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 	  once the kernel has booted up - it's a one time check.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 	  If in doubt, say "Y".
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) config PPC_FAST_ENDIAN_SWITCH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 	bool "Deprecated fast endian-switch syscall"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 	depends on DEBUG_KERNEL && PPC_BOOK3S_64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 	  If you're unsure what this is, say N.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) config KASAN_SHADOW_OFFSET
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 	hex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 	depends on KASAN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 	default 0xe0000000