sh: Add 32-bit opcode feature CPU flag.

[linux-2.6-omap-h63xx.git] / arch / sh / Kconfig.debug

diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 8fb31ab2c02c1fa4031013310f8a07df42291b36..b56307294b6764933deeb82284c8ea6617dc6e8c 100644 (file)
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -1,5 +1,9 @@
 menu "Kernel hacking"
 
 menu "Kernel hacking"
 

+config TRACE_IRQFLAGS_SUPPORT
+       bool
+       default y
+

 source "lib/Kconfig.debug"
 
 config SH_STANDARD_BIOS
 source "lib/Kconfig.debug"
 
 config SH_STANDARD_BIOS


@@ -17,7 +21,20 @@ config SH_STANDARD_BIOS
 
 config EARLY_SCIF_CONSOLE
        bool "Use early SCIF console"
 
 config EARLY_SCIF_CONSOLE
        bool "Use early SCIF console"

-       depends on CPU_SH4 || CPU_SH2A && !SH_STANDARD_BIOS
+       help
+         This enables an early console using a fixed SCIF port. This can
+         be used by platforms that are either not running the SH
+         standard BIOS, or do not wish to use the BIOS callbacks for the
+         serial I/O.
+
+config EARLY_SCIF_CONSOLE_PORT
+       hex "SCIF port for early console"
+       depends on EARLY_SCIF_CONSOLE
+       default "0xffe00000" if CPU_SUBTYPE_SH7780
+       default "0xfffe9800" if CPU_SUBTYPE_SH7206
+       default "0xf8420000" if CPU_SUBTYPE_SH7619
+       default "0xa4400000" if CPU_SUBTYPE_SH7712 || CPU_SUBTYPE_SH7705
+       default "0xffe80000" if CPU_SH4

 
 config EARLY_PRINTK
        bool "Early printk support"
 
 config EARLY_PRINTK
        bool "Early printk support"


@@ -30,15 +47,48 @@ config EARLY_PRINTK
          when the kernel may crash or hang before the serial console is
          initialised. If unsure, say N.
 
          when the kernel may crash or hang before the serial console is
          initialised. If unsure, say N.
 

-config KGDB
+         On devices that are running SH-IPL and want to keep the port
+         initialization consistent while not using the BIOS callbacks,
+         select both the EARLY_SCIF_CONSOLE and SH_STANDARD_BIOS, using
+         the kernel command line option to toggle back and forth.
+
+config DEBUG_STACKOVERFLOW
+       bool "Check for stack overflows"
+       depends on DEBUG_KERNEL
+       help
+         This option will cause messages to be printed if free stack space
+         drops below a certain limit.
+
+config DEBUG_STACK_USAGE
+       bool "Stack utilization instrumentation"
+       depends on DEBUG_KERNEL
+       help
+         Enables the display of the minimum amount of free stack which each
+         task has ever had available in the sysrq-T and sysrq-P debug output.
+
+         This option will slow down process creation somewhat.
+
+config 4KSTACKS
+       bool "Use 4Kb for kernel stacks instead of 8Kb"
+       depends on DEBUG_KERNEL
+       help
+         If you say Y here the kernel will use a 4Kb stacksize for the
+         kernel stack attached to each process/thread. This facilitates
+         running more threads on a system and also reduces the pressure
+         on the VM subsystem for higher order allocations. This option
+         will also use IRQ stacks to compensate for the reduced stackspace.
+
+config SH_KGDB

        bool "Include KGDB kernel debugger"
        bool "Include KGDB kernel debugger"

+       select FRAME_POINTER
+       select DEBUG_INFO

        help
          Include in-kernel hooks for kgdb, the Linux kernel source level
          debugger.  See <http://kgdb.sourceforge.net/> for more information.
          Unless you are intending to debug the kernel, say N here.
 
 menu "KGDB configuration options"
        help
          Include in-kernel hooks for kgdb, the Linux kernel source level
          debugger.  See <http://kgdb.sourceforge.net/> for more information.
          Unless you are intending to debug the kernel, say N here.
 
 menu "KGDB configuration options"

-       depends on KGDB
+       depends on SH_KGDB

 
 config MORE_COMPILE_OPTIONS
        bool "Add any additional compile options"
 
 config MORE_COMPILE_OPTIONS
        bool "Add any additional compile options"


@@ -55,22 +105,16 @@ config KGDB_NMI
        bool "Enter KGDB on NMI"
        default n
 
        bool "Enter KGDB on NMI"
        default n
 

-config KGDB_THREAD
-       bool "Include KGDB thread support"
-       default y
-

 config SH_KGDB_CONSOLE
        bool "Console messages through GDB"
 config SH_KGDB_CONSOLE
        bool "Console messages through GDB"

+       depends on !SERIAL_SH_SCI_CONSOLE
+       select SERIAL_CORE_CONSOLE

        default n
 
 config KGDB_SYSRQ
        bool "Allow SysRq 'G' to enter KGDB"
        default y
 
        default n
 
 config KGDB_SYSRQ
        bool "Allow SysRq 'G' to enter KGDB"
        default y
 

-config KGDB_KERNEL_ASSERTS
-       bool "Include KGDB kernel assertions"
-       default n
-

 comment "Serial port setup"
 
 config KGDB_DEFPORT
 comment "Serial port setup"
 
 config KGDB_DEFPORT


@@ -83,7 +127,7 @@ config KGDB_DEFBAUD
 
 choice
        prompt "Parity"
 
 choice
        prompt "Parity"

-       depends on KGDB
+       depends on SH_KGDB

        default KGDB_DEFPARITY_N
 
 config KGDB_DEFPARITY_N
        default KGDB_DEFPARITY_N
 
 config KGDB_DEFPARITY_N


@@ -99,7 +143,7 @@ endchoice
 
 choice
        prompt "Data bits"
 
 choice
        prompt "Data bits"

-       depends on KGDB
+       depends on SH_KGDB

        default KGDB_DEFBITS_8
 
 config KGDB_DEFBITS_8
        default KGDB_DEFBITS_8
 
 config KGDB_DEFBITS_8


@@ -112,13 +156,4 @@ endchoice
 
 endmenu
 
 
 endmenu
 

-config FRAME_POINTER
-       bool "Compile the kernel with frame pointers"
-       default y if KGDB
-       help
-         If you say Y here the resulting kernel image will be slightly larger
-         and slower, but it will give very useful debugging information.
-         If you don't debug the kernel, you can say N, but we may not be able
-         to solve problems without frame pointers.
-

 endmenu
 endmenu