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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 || CPU_SH2A && !SH_STANDARD_BIOS
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 DEBUG_STACKOVERFLOW
bool "Check for stack overflows"
depends on DEBUG_KERNEL
help
This option will cause messages to be printed if free stack space
drops below a certain limit.
config DEBUG_STACK_USAGE
bool "Stack utilization instrumentation"
depends on DEBUG_KERNEL
help
Enables the display of the minimum amount of free stack which each
task has ever had available in the sysrq-T and sysrq-P debug output.
This option will slow down process creation somewhat.
config KGDB
bool "Include KGDB kernel debugger"
select FRAME_POINTER
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
endmenu
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