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| author | Anton Arapov <anton@redhat.com> | 2012-10-29 11:15:37 +0100 |
|---|---|---|
| committer | Anton Arapov <anton@redhat.com> | 2012-10-29 11:15:37 +0100 |
| commit | 7d558cd9c7b18e4b16953265aa0da45e63f3b968 (patch) | |
| tree | 7135d5a810768c9c619346282ee9cfdf1765e225 /arch/arm/Kconfig.debug | |
| parent | 985ef6b2108ed28ffd5f6630e1e0fce2e2a775f2 (diff) | |
| download | kernel-uprobes-7d558cd9c7b18e4b16953265aa0da45e63f3b968.tar.gz kernel-uprobes-7d558cd9c7b18e4b16953265aa0da45e63f3b968.tar.xz kernel-uprobes-7d558cd9c7b18e4b16953265aa0da45e63f3b968.zip | |
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/arm/Kconfig.debug')
| -rw-r--r-- | arch/arm/Kconfig.debug | 41 |
1 files changed, 38 insertions, 3 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 01a13414121..e968a52e488 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -310,6 +310,32 @@ choice The uncompressor code port configuration is now handled by CONFIG_S3C_LOWLEVEL_UART_PORT. + config DEBUG_VEXPRESS_UART0_DETECT + bool "Autodetect UART0 on Versatile Express Cortex-A core tiles" + depends on ARCH_VEXPRESS && CPU_CP15_MMU + help + This option enables a simple heuristic which tries to determine + the motherboard's memory map variant (original or RS1) and then + choose the relevant UART0 base address. + + Note that this will only work with standard A-class core tiles, + and may fail with non-standard SMM or custom software models. + + config DEBUG_VEXPRESS_UART0_CA9 + bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)" + depends on ARCH_VEXPRESS + help + This option selects UART0 at 0x10009000. Except for custom models, + this applies only to the V2P-CA9 tile. + + config DEBUG_VEXPRESS_UART0_RS1 + bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)" + depends on ARCH_VEXPRESS + help + This option selects UART0 at 0x1c090000. This applies to most + of the tiles using the RS1 memory map, including all new A-class + core tiles, FPGA-based SMMs and software models. + config DEBUG_LL_UART_NONE bool "No low-level debugging UART" help @@ -330,15 +356,15 @@ choice 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. @@ -369,4 +395,13 @@ config ARM_KPROBES_TEST 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 |