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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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78af90629c
OCP isn't used in arch/powerpc and hopefully will never be. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
156 lines
4.1 KiB
Plaintext
156 lines
4.1 KiB
Plaintext
menu "Kernel hacking"
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source "lib/Kconfig.debug"
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config DEBUG_STACKOVERFLOW
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bool "Check for stack overflows"
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depends on DEBUG_KERNEL && PPC64
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help
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This option will cause messages to be printed if free stack space
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drops below a certain limit.
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config DEBUG_STACK_USAGE
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bool "Stack utilization instrumentation"
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depends on DEBUG_KERNEL && PPC64
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help
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Enables the display of the minimum amount of free stack which each
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task has ever had available in the sysrq-T and sysrq-P debug output.
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This option will slow down process creation somewhat.
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config DEBUGGER
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bool "Enable debugger hooks"
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depends on DEBUG_KERNEL
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help
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Include in-kernel hooks for kernel debuggers. Unless you are
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intending to debug the kernel, say N here.
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config KGDB
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bool "Include kgdb kernel debugger"
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depends on DEBUGGER && (BROKEN || PPC_GEN550 || 4xx)
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select DEBUG_INFO
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help
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Include in-kernel hooks for kgdb, the Linux kernel source level
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debugger. See <http://kgdb.sourceforge.net/> for more information.
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Unless you are intending to debug the kernel, say N here.
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choice
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prompt "Serial Port"
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depends on KGDB
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default KGDB_TTYS1
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config KGDB_TTYS0
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bool "ttyS0"
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config KGDB_TTYS1
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bool "ttyS1"
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config KGDB_TTYS2
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bool "ttyS2"
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config KGDB_TTYS3
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bool "ttyS3"
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endchoice
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config KGDB_CONSOLE
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bool "Enable serial console thru kgdb port"
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depends on KGDB && 8xx || CPM2
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help
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If you enable this, all serial console messages will be sent
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over the gdb stub.
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If unsure, say N.
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config XMON
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bool "Include xmon kernel debugger"
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depends on DEBUGGER && !PPC_ISERIES
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help
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Include in-kernel hooks for the xmon kernel monitor/debugger.
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Unless you are intending to debug the kernel, say N here.
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Make sure to enable also CONFIG_BOOTX_TEXT on Macs. Otherwise
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nothing will appear on the screen (xmon writes directly to the
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framebuffer memory).
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The cmdline option 'xmon' or 'xmon=early' will drop into xmon
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very early during boot. 'xmon=on' will just enable the xmon
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debugger hooks. 'xmon=off' will disable the debugger hooks
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if CONFIG_XMON_DEFAULT is set.
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config XMON_DEFAULT
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bool "Enable xmon by default"
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depends on XMON
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help
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xmon is normally disabled unless booted with 'xmon=on'.
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Use 'xmon=off' to disable xmon init during runtime.
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config IRQSTACKS
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bool "Use separate kernel stacks when processing interrupts"
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depends on PPC64
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help
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If you say Y here the kernel will use separate kernel stacks
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for handling hard and soft interrupts. This can help avoid
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overflowing the process kernel stacks.
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config BDI_SWITCH
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bool "Include BDI-2000 user context switcher"
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depends on DEBUG_KERNEL && PPC32
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help
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Include in-kernel support for the Abatron BDI2000 debugger.
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Unless you are intending to debug the kernel with one of these
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machines, say N here.
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config BOOTX_TEXT
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bool "Support for early boot text console (BootX or OpenFirmware only)"
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depends PPC_OF && !PPC_ISERIES
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help
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Say Y here to see progress messages from the boot firmware in text
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mode. Requires either BootX or Open Firmware.
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config SERIAL_TEXT_DEBUG
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bool "Support for early boot texts over serial port"
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depends on 4xx || LOPEC || MV64X60 || PPLUS || PRPMC800 || \
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PPC_GEN550 || PPC_MPC52xx
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choice
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prompt "Early debugging (dangerous)"
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bool
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optional
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help
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Enable early debugging. Careful, if you enable debugging for the
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wrong type of machine your kernel _will not boot_.
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config PPC_EARLY_DEBUG_LPAR
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bool "LPAR HV Console"
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depends on PPC_PSERIES
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help
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Select this to enable early debugging for a machine with a HVC
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console on vterm 0.
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config PPC_EARLY_DEBUG_G5
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bool "Apple G5"
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depends on PPC_PMAC64
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help
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Select this to enable early debugging for Apple G5 machines.
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config PPC_EARLY_DEBUG_RTAS
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bool "RTAS Panel"
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depends on PPC_RTAS
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help
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Select this to enable early debugging via the RTAS panel.
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config PPC_EARLY_DEBUG_MAPLE
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bool "Maple real mode"
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depends on PPC_MAPLE
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help
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Select this to enable early debugging for Maple.
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config PPC_EARLY_DEBUG_ISERIES
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bool "iSeries HV Console"
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depends on PPC_ISERIES
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help
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Select this to enable early debugging for legacy iSeries. You need
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to hit "Ctrl-x Ctrl-x" to see the messages on the console.
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endchoice
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endmenu
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