mask ROM and no flash (WindowsCE machines fall in this category).
If unsure, say N.
-config EARLY_SCIF_CONSOLE
- bool "Use early SCIF console"
- help
- This enables an early console using a fixed SCIF port. This can
- be used by platforms that are either not running the SH
- standard BIOS, or do not wish to use the BIOS callbacks for the
- serial I/O.
-
-config EARLY_SCIF_CONSOLE_PORT
- hex
- depends on EARLY_SCIF_CONSOLE
- default "0xa4400000" if CPU_SUBTYPE_SH7712 || CPU_SUBTYPE_SH7705
- default "0xa4430000" if CPU_SUBTYPE_SH7720 || CPU_SUBTYPE_SH7721
- default "0xf8420000" if CPU_SUBTYPE_SH7619
- default "0xff804000" if CPU_SUBTYPE_MXG
- default "0xffc30000" if CPU_SUBTYPE_SHX3
- default "0xffe00000" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7763 || \
- CPU_SUBTYPE_SH7722 || CPU_SUBTYPE_SH7366 || \
- CPU_SUBTYPE_SH7343
- default "0xffe80000" if CPU_SH4
- default "0xffea0000" if CPU_SUBTYPE_SH7785
- default "0xfffe8000" if CPU_SUBTYPE_SH7203
- default "0xfffe9800" if CPU_SUBTYPE_SH7206 || CPU_SUBTYPE_SH7263
- default "0x00000000"
-
-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.
-
- On devices that are running SH-IPL and want to keep the port
- initialization consistent while not using the BIOS callbacks,
- select both the EARLY_SCIF_CONSOLE and SH_STANDARD_BIOS, using
- the kernel command line option to toggle back and forth.
-
-config DEBUG_BOOTMEM
- depends on DEBUG_KERNEL
- bool "Debug BOOTMEM initialization"
-
-config DEBUG_STACKOVERFLOW
+config STACK_DEBUG
bool "Check for stack overflows"
depends on DEBUG_KERNEL && SUPERH32
help
This option will cause messages to be printed if free stack space
- drops below a certain limit.
+ drops below a certain limit. Saying Y here will add overhead to
+ every function call and will therefore incur a major
+ performance hit. Most users should say N.
config DEBUG_STACK_USAGE
bool "Stack utilization instrumentation"
config IRQSTACKS
bool "Use separate kernel stacks when processing interrupts"
- depends on DEBUG_KERNEL && SUPERH32
+ depends on DEBUG_KERNEL && SUPERH32 && BROKEN
help
If you say Y here the kernel will use separate kernel stacks
for handling hard and soft interrupts. This can help avoid
Those looking for more verbose debugging output should say Y.
+config DWARF_UNWINDER
+ bool "Enable the DWARF unwinder for stacktraces"
+ select FRAME_POINTER
+ default n
+ help
+ Enabling this option will make stacktraces more accurate, at
+ the cost of an increase in overall kernel size.
+
config SH_NO_BSS_INIT
bool "Avoid zeroing BSS (to speed-up startup on suitable platforms)"
depends on DEBUG_KERNEL
For all other cases, say N. If this option seems perplexing, or
you aren't sure, say N.
-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 SH64_SR_WATCH
bool "Debug: set SR.WATCH to enable hardware watchpoints and trace"
depends on SUPERH64
-config POOR_MANS_STRACE
- bool "Debug: enable rudimentary strace facility"
- depends on SUPERH64
- help
- This option allows system calls to be traced to the console. It also
- aids in detecting kernel stack underflow. It is useful for debugging
- early-userland problems (e.g. init incurring fatal exceptions.)
+config MCOUNT
+ def_bool y
+ depends on SUPERH32
+ depends on STACK_DEBUG || FUNCTION_TRACER
endmenu
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff