MIPS: Loongson: Switch from flatmem to sparsemem

[safe/jmp/linux-2.6] / arch / sh / Kconfig.debug

diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 834a2d2..55907af 100644 (file)
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -38,10 +38,13 @@ config EARLY_SCIF_CONSOLE_PORT
        default "0xffe00000" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7763 || \
                                CPU_SUBTYPE_SH7722 || CPU_SUBTYPE_SH7366 || \
                                CPU_SUBTYPE_SH7343
-       default "0xffe80000" if CPU_SH4
-       default "0xffea0000" if CPU_SUBTYPE_SH7785
+       default "0xfe4c0000" if CPU_SUBTYPE_SH7757
+       default "0xffeb0000" if CPU_SUBTYPE_SH7785
+       default "0xffeb0000" if CPU_SUBTYPE_SH7786
        default "0xfffe8000" if CPU_SUBTYPE_SH7203
        default "0xfffe9800" if CPU_SUBTYPE_SH7206 || CPU_SUBTYPE_SH7263
+       default "0xffe80000" if CPU_SH4
+       default "0xa4000150" if CPU_SH3
        default "0x00000000"
 
 config EARLY_PRINTK
@@ -60,16 +63,14 @@ config EARLY_PRINTK
          select both the EARLY_SCIF_CONSOLE and SH_STANDARD_BIOS, using
          the kernel command line option to toggle back and forth.
 
-config DEBUG_BOOTMEM
-       depends on DEBUG_KERNEL
-       bool "Debug BOOTMEM initialization"
-
-config DEBUG_STACKOVERFLOW
+config STACK_DEBUG
        bool "Check for stack overflows"
        depends on DEBUG_KERNEL && SUPERH32
        help
          This option will cause messages to be printed if free stack space
-         drops below a certain limit.
+         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 DEBUG_STACK_USAGE
        bool "Stack utilization instrumentation"
@@ -92,42 +93,51 @@ config 4KSTACKS
 
 config IRQSTACKS
        bool "Use separate kernel stacks when processing interrupts"
-       depends on DEBUG_KERNEL && SUPERH32
+       depends on DEBUG_KERNEL && SUPERH32 && BROKEN
        help
          If you say Y here the kernel will use separate kernel stacks
          for handling hard and soft interrupts.  This can help avoid
          overflowing the process kernel stacks.
 
-config MORE_COMPILE_OPTIONS
-       bool "Add any additional compile options"
+config DUMP_CODE
+       bool "Show disassembly of nearby code in register dumps"
+       depends on DEBUG_KERNEL && SUPERH32
+       default y if DEBUG_BUGVERBOSE
+       default n
        help
-         If you want to add additional CFLAGS to the kernel build, enable this
-         option and then enter what you would like to add in the next question.
-         Note however that -g is already appended with the selection of KGDB.
-
-config COMPILE_OPTIONS
-       string "Additional compile arguments"
-       depends on MORE_COMPILE_OPTIONS
-
-if SUPERH64
+         This prints out a code trace of the instructions leading up to
+         the faulting instruction as a debugging aid. As this does grow
+         the kernel in size a bit, most users will want to say N here.
 
-config SH64_SR_WATCH
-       bool "Debug: set SR.WATCH to enable hardware watchpoints and trace"
+         Those looking for more verbose debugging output should say Y.
 
-config POOR_MANS_STRACE
-       bool "Debug: enable rudimentary strace facility"
+config DWARF_UNWINDER
+       bool "Enable the DWARF unwinder for stacktraces"
+       select FRAME_POINTER
+       default n
        help
-         This option allows system calls to be traced to the console.  It also
-         aids in detecting kernel stack underflow.  It is useful for debugging
-         early-userland problems (e.g. init incurring fatal exceptions.)
-
-config SH_ALPHANUMERIC
-       bool "Enable debug outputs to on-board alphanumeric display"
-       depends on SH_CAYMAN
+         Enabling this option will make stacktraces more accurate, at
+         the cost of an increase in overall kernel size.
 
 config SH_NO_BSS_INIT
        bool "Avoid zeroing BSS (to speed-up startup on suitable platforms)"
+       depends on DEBUG_KERNEL
+       default n
+       help
+         If running in painfully slow environments, such as an RTL
+         simulation or from remote memory via SHdebug, where the memory
+         can already be gauranteed to ber zeroed on boot, say Y.
 
-endif
+         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
 
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