diff options
Diffstat (limited to 'arch/sh/Kconfig.debug')
| -rw-r--r-- | arch/sh/Kconfig.debug | 76 |
1 files changed, 19 insertions, 57 deletions
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug index 8179cc9be9a..5f2bb4242c0 100644 --- a/arch/sh/Kconfig.debug +++ b/arch/sh/Kconfig.debug @@ -19,66 +19,14 @@ config SH_STANDARD_BIOS 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 "0xffea0000" if CPU_SUBTYPE_SH7785 - default "0xfffe8000" if CPU_SUBTYPE_SH7203 - default "0xfffe9800" if CPU_SUBTYPE_SH7206 || CPU_SUBTYPE_SH7263 - default "0xffe80000" if CPU_SH4 - 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. - -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. + 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 4KSTACKS bool "Use 4Kb for kernel stacks instead of 8Kb" @@ -110,6 +58,15 @@ config DUMP_CODE Those looking for more verbose debugging output should say Y. +config DWARF_UNWINDER + bool "Enable the DWARF unwinder for stacktraces" + select FRAME_POINTER + depends on SUPERH32 + 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 @@ -117,7 +74,7 @@ config SH_NO_BSS_INIT help If running in painfully slow environments, such as an RTL simulation or from remote memory via SHdebug, where the memory - can already be gauranteed to ber zeroed on boot, say Y. + can already be guaranteed to ber zeroed on boot, say Y. For all other cases, say N. If this option seems perplexing, or you aren't sure, say N. @@ -126,4 +83,9 @@ config SH64_SR_WATCH bool "Debug: set SR.WATCH to enable hardware watchpoints and trace" depends on SUPERH64 +config MCOUNT + def_bool y + depends on SUPERH32 + depends on STACK_DEBUG || FUNCTION_TRACER + endmenu |