diff options
Diffstat (limited to 'arch/sh/Kconfig.debug')
| -rw-r--r-- | arch/sh/Kconfig.debug | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug index 010b6c33bbba..8bcd6c1431a9 100644 --- a/arch/sh/Kconfig.debug +++ b/arch/sh/Kconfig.debug @@ -1,11 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 -config TRACE_IRQFLAGS_SUPPORT - def_bool y - config SH_STANDARD_BIOS bool "Use LinuxSH standard BIOS" - depends on SUPERH32 help Say Y here if your target has the gdb-sh-stub package from www.m17n.org (or any conforming standard LinuxSH BIOS) @@ -19,13 +15,24 @@ config SH_STANDARD_BIOS config STACK_DEBUG bool "Check for stack overflows" - depends on DEBUG_KERNEL && SUPERH32 + depends on DEBUG_KERNEL && PRINTK help This option will cause messages to be printed if free stack space 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 EARLY_PRINTK + bool "Early printk" + depends on SH_STANDARD_BIOS + 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 while porting the kernel to a new machine, + when the kernel may crash or hang before the serial console is + initialised. If unsure, say N. + config 4KSTACKS bool "Use 4Kb for kernel stacks instead of 8Kb" depends on DEBUG_KERNEL && (MMU || BROKEN) && !PAGE_SIZE_64KB @@ -38,7 +45,7 @@ config 4KSTACKS config IRQSTACKS bool "Use separate kernel stacks when processing interrupts" - depends on DEBUG_KERNEL && SUPERH32 && BROKEN + depends on DEBUG_KERNEL && BROKEN help If you say Y here the kernel will use separate kernel stacks for handling hard and soft interrupts. This can help avoid @@ -46,7 +53,7 @@ config IRQSTACKS config DUMP_CODE bool "Show disassembly of nearby code in register dumps" - depends on DEBUG_KERNEL && SUPERH32 + depends on DEBUG_KERNEL default y if DEBUG_BUGVERBOSE default n help @@ -58,8 +65,8 @@ config DUMP_CODE config DWARF_UNWINDER bool "Enable the DWARF unwinder for stacktraces" + depends on DEBUG_KERNEL select FRAME_POINTER - depends on SUPERH32 default n help Enabling this option will make stacktraces more accurate, at @@ -77,11 +84,6 @@ config SH_NO_BSS_INIT For all other cases, say N. If this option seems perplexing, or you aren't sure, say N. -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 |