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- menu "Kernel hacking"
- source "lib/Kconfig.debug"
- config SH_STANDARD_BIOS
- bool "Use LinuxSH standard BIOS"
- help
- Say Y here if your target has the gdb-sh-stub
- package from www.m17n.org (or any conforming standard LinuxSH BIOS)
- in FLASH or EPROM. The kernel will use standard BIOS calls during
- boot for various housekeeping tasks (including calls to read and
- write characters to a system console, get a MAC address from an
- on-board Ethernet interface, and shut down the hardware). Note this
- does not work with machines with an existing operating system in
- mask ROM and no flash (WindowsCE machines fall in this category).
- If unsure, say N.
- config EARLY_SCIF_CONSOLE
- bool "Use early SCIF console"
- depends on CPU_SH4
- config EARLY_PRINTK
- bool "Early printk support"
- depends on SH_STANDARD_BIOS || EARLY_SCIF_CONSOLE
- help
- Say Y here to redirect kernel printk messages to the serial port
- used by the SH-IPL bootloader, starting very early in the boot
- process and ending when the kernel's serial console is initialised.
- This option is only useful porting the kernel to a new machine,
- when the kernel may crash or hang before the serial console is
- initialised. If unsure, say N.
- config KGDB
- bool "Include KGDB kernel debugger"
- help
- Include in-kernel hooks for kgdb, the Linux kernel source level
- debugger. See <http://kgdb.sourceforge.net/> for more information.
- Unless you are intending to debug the kernel, say N here.
- menu "KGDB configuration options"
- depends on KGDB
- config MORE_COMPILE_OPTIONS
- bool "Add any additional compile options"
- help
- If you want to add additional CFLAGS to the kernel build, enable this
- option and then enter what you would like to add in the next question.
- Note however that -g is already appended with the selection of KGDB.
- config COMPILE_OPTIONS
- string "Additional compile arguments"
- depends on MORE_COMPILE_OPTIONS
- config KGDB_NMI
- bool "Enter KGDB on NMI"
- default n
- config KGDB_THREAD
- bool "Include KGDB thread support"
- default y
- config SH_KGDB_CONSOLE
- bool "Console messages through GDB"
- default n
- config KGDB_SYSRQ
- bool "Allow SysRq 'G' to enter KGDB"
- default y
- config KGDB_KERNEL_ASSERTS
- bool "Include KGDB kernel assertions"
- default n
- comment "Serial port setup"
- config KGDB_DEFPORT
- int "Port number (ttySCn)"
- default "1"
- config KGDB_DEFBAUD
- int "Baud rate"
- default "115200"
- choice
- prompt "Parity"
- depends on KGDB
- default KGDB_DEFPARITY_N
- config KGDB_DEFPARITY_N
- bool "None"
- config KGDB_DEFPARITY_E
- bool "Even"
- config KGDB_DEFPARITY_O
- bool "Odd"
- endchoice
- choice
- prompt "Data bits"
- depends on KGDB
- default KGDB_DEFBITS_8
- config KGDB_DEFBITS_8
- bool "8"
- config KGDB_DEFBITS_7
- bool "7"
- endchoice
- endmenu
- config FRAME_POINTER
- bool "Compile the kernel with frame pointers"
- default y if KGDB
- help
- If you say Y here the resulting kernel image will be slightly larger
- and slower, but it will give very useful debugging information.
- If you don't debug the kernel, you can say N, but we may not be able
- to solve problems without frame pointers.
- endmenu
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