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Diffstat (limited to 'target/linux/ubicom32/files/arch/ubicom32/Kconfig.debug')
| -rw-r--r-- | target/linux/ubicom32/files/arch/ubicom32/Kconfig.debug | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/target/linux/ubicom32/files/arch/ubicom32/Kconfig.debug b/target/linux/ubicom32/files/arch/ubicom32/Kconfig.debug new file mode 100644 index 000000000..330c75806 --- /dev/null +++ b/target/linux/ubicom32/files/arch/ubicom32/Kconfig.debug @@ -0,0 +1,129 @@ +menu "Kernel hacking" + +config TRACE_IRQFLAGS_SUPPORT + def_bool y + +config DEBUG_VERBOSE + bool "Verbose fault messages" + default y + select PRINTK + help + When a program crashes due to an exception, or the kernel detects + an internal error, the kernel can print a not so brief message + explaining what the problem was. This debugging information is + useful to developers and kernel hackers when tracking down problems, + but mostly meaningless to other people. This is always helpful for + debugging but serves no purpose on a production system. + Most people should say N here. + +config PROTECT_KERNEL + default y + bool 'Enable Kernel range register Protection' + help + Adds code to enable/disable range registers to protect static + kernel code/data from userspace. Currently the ranges covered + do no protect kernel loadable modules or dynamically allocated + kernel data. + +config NO_KERNEL_MSG + bool "Suppress Kernel BUG Messages" + help + Do not output any debug BUG messages within the kernel. + +config EARLY_PRINTK + bool "Use the driver that you selected as console also for early printk (to debug kernel bootup)." + default n + help + If you want to use the serdes driver (console=ttyUS0) for + early printk, you must also supply an additional kernel boot + parameter like this: + + serdes=ioportaddr,irq,clockrate,baud + + For an IP7160RGW eval board, you could use this: + + serdes=0x2004000,61,250000000,57600 + + which will let you see early printk output at 57600 baud. + +config STOP_ON_TRAP + bool "Enable stopping at the LDSR for all traps" + default n + help + Cause the LDSR to stop all threads whenever a trap is about to be serviced + +config STOP_ON_BUG + bool "Enable stopping on failed BUG_ON()" + default n + help + Cause all BUG_ON failures to stop all threads + +config DEBUG_IRQMEASURE + bool "Enable IRQ handler measurements" + default n + help + When enabled each IRQ's min/avg/max times will be printed. If the handler + re-enables interrupt, the times will show the full time including to service + nested interrupts. See /proc/irq_measurements. + +config DEBUG_PCIMEASURE + bool "Enable PCI transaction measurements" + default n + help + When enabled the system will measure the min/avg/max timer for each PCI transactions. + See /proc/pci_measurements. + +config ACCESS_OK_CHECKS_ENABLED + bool "Enable user space access checks" + default n + help + Enabling this check causes the kernel to verify that addresses passed + to the kernel by the user space code are within the processes + address space. On a no-mmu system, this is done by examining the + processes memory data structures (adversly affecting performance) but + ensuring that a process does not ask the kernel to violate another + processes address space. Sadly, the kernel uses access_ok() for + address that are in the kernel which results in a large volume of + false positives. + +choice + prompt "Unaligned Access Support" + default UNALIGNED_ACCESS_ENABLED + help + Kernel / Userspace unaligned access handling. + +config UNALIGNED_ACCESS_ENABLED + bool "Kernel and Userspace" + help + +config UNALIGNED_ACCESS_USERSPACE_ONLY + bool "Userspace Only" + help + +config UNALIGNED_ACCESS_DISABLED + bool "Disabled" + help + +endchoice + +config DEBUG_STACKOVERFLOW + bool "Check for stack overflows" + default n + depends on DEBUG_KERNEL + help + This option will cause messages to be printed if free kernel stack space + drops below a certain limit (THREAD_SIZE /8). + +config DEBUG_STACK_USAGE + bool "Stack utilization instrumentation" + default n + depends on DEBUG_KERNEL + help + Enables the display of the minimum amount of free kernel 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. + +source "lib/Kconfig.debug" + +endmenu |