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Diffstat (limited to 'arch/unicore32/Kconfig.debug')
| -rw-r--r-- | arch/unicore32/Kconfig.debug | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/arch/unicore32/Kconfig.debug b/arch/unicore32/Kconfig.debug new file mode 100644 index 0000000000000..3140151ede450 --- /dev/null +++ b/arch/unicore32/Kconfig.debug @@ -0,0 +1,68 @@ +menu "Kernel hacking" + +source "lib/Kconfig.debug" + +config STRICT_DEVMEM + bool "Filter access to /dev/mem" + depends on MMU + ---help--- + If this option is disabled, you allow userspace (root) access to all + of memory, including kernel and userspace memory. Accidental + access to this is obviously disastrous, but specific access can + be used by people debugging the kernel. + + If this option is switched on, the /dev/mem file only allows + userspace access to memory mapped peripherals. + + If in doubt, say Y. + +config EARLY_PRINTK + def_bool DEBUG_OCD + help + Write kernel log output directly into the ocd or to a serial port. + + This is useful for kernel debugging when your machine crashes very + early before the console code is initialized. For normal operation + it is not recommended because it looks ugly and doesn't cooperate + with klogd/syslogd or the X server. You should normally N here, + unless you want to debug such a crash. + +config DEBUG_STACK_USAGE + bool "Enable 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 output. + +# These options are only for real kernel hackers who want to get their hands dirty. +config DEBUG_LL + bool "Kernel low-level debugging functions" + depends on DEBUG_KERNEL + help + Say Y here to include definitions of printascii, printch, printhex + in the kernel. This is helpful if you are debugging code that + executes before the console is initialized. + +config DEBUG_OCD + bool "Kernel low-level debugging via On-Chip-Debugger" + depends on DEBUG_LL + default y + help + Say Y here if you want the debug print routines to direct their + output to the UniCore On-Chip-Debugger channel using CP #1. + +config DEBUG_OCD_BREAKPOINT + bool "Breakpoint support via On-Chip-Debugger" + depends on DEBUG_OCD + +config DEBUG_UART + int "Kernel low-level debugging messages via serial port" + depends on DEBUG_LL + range 0 1 + default "0" + help + Choice for UART for kernel low-level using PKUnity UARTS, + should be between zero and one. The port must have been + initialised by the boot-loader before use. + +endmenu |