1 files changed, 20 insertions, 3 deletions

diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 39224b57c6ef..55907af1dc25 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -38,11 +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 "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
@@ -61,12 +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_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"
@@ -107,6 +111,14 @@ config DUMP_CODE
 
           Those looking for more verbose debugging output should say Y.
 
+config DWARF_UNWINDER
+        bool "Enable the DWARF unwinder for stacktraces"
+        select FRAME_POINTER
+        default n
+        help
+          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
@@ -123,4 +135,9 @@ 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
+
 endmenu