is nothing connected to read from the DCC.
config DEBUG_SEMIHOSTING
- bool "Kernel low-level debug output via semihosting I"
+ bool "Kernel low-level debug output via semihosting I/O"
help
Semihosting enables code running on an ARM target to use
the I/O facilities on a host debugger/emulator through a
- simple SVC calls. The host debugger or emulator must have
+ simple SVC call. The host debugger or emulator must have
semihosting enabled for the special svc call to be trapped
otherwise the kernel will crash.
- This is known to work with OpenOCD, as wellas
+ This is known to work with OpenOCD, as well as
ARM's Fast Models, or any other controlling environment
that implements semihosting.
help
Perform tests of kprobes API and instruction set simulation.
+config PID_IN_CONTEXTIDR
+ bool "Write the current PID to the CONTEXTIDR register"
+ depends on CPU_COPY_V6
+ help
+ Enabling this option causes the kernel to write the current PID to
+ the PROCID field of the CONTEXTIDR register, at the expense of some
+ additional instructions during context switch. Say Y here only if you
+ are planning to use hardware trace tools with this kernel.
+
endmenu