Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-mn10300

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-mn10300:
  MN10300: gcc 4.6 vs am33 inline assembly
  MN10300: Deprecate gdbstub
  MN10300: Allow KGDB to use the MN10300 serial ports
  MN10300: Emulate single stepping in KGDB on MN10300
  MN10300: Generalise kernel debugger kernel halt, reboot or power off hook
  KGDB: Notify GDB of machine halt, reboot or power off
  MN10300: Use KGDB
  MN10300: Create generic kernel debugger hooks
  MN10300: Create general kernel debugger cache flushing
  MN10300: Introduce a general config option for kernel debugger hooks
  MN10300: The icache invalidate functions should disable the icache first
  MN10300: gdbstub: Restrict single-stepping to non-preemptable non-SMP configs

1 files changed, 0 insertions, 105 deletions

diff --git a/arch/mn10300/kernel/gdb-cache.S b/arch/mn10300/kernel/gdb-cache.S
deleted file mode 100644
index 1108badc3d32..000000000000
--- a/arch/mn10300/kernel/gdb-cache.S
+++ /dev/null
@@ -1,105 +0,0 @@
-###############################################################################
-#
-# MN10300 Low-level cache purging routines for gdbstub
-#
-# Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
-# Written by David Howells (dhowells@redhat.com)
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public Licence
-# as published by the Free Software Foundation; either version
-# 2 of the Licence, or (at your option) any later version.
-#
-###############################################################################
-#include <linux/sys.h>
-#include <linux/linkage.h>
-#include <asm/smp.h>
-#include <asm/cache.h>
-#include <asm/cpu-regs.h>
-#include <asm/exceptions.h>
-#include <asm/frame.inc>
-#include <asm/serial-regs.h>
-
-	.text
-
-###############################################################################
-#
-# GDB stub cache purge
-#
-###############################################################################
-	.type	gdbstub_purge_cache,@function
-ENTRY(gdbstub_purge_cache)
-	#######################################################################
-	# read the addresses tagged in the cache's tag RAM and attempt to flush
-	# those addresses specifically
-	# - we rely on the hardware to filter out invalid tag entry addresses
-	mov	DCACHE_TAG(0,0),a0		# dcache tag RAM access address
-	mov	DCACHE_PURGE(0,0),a1		# dcache purge request address
-	mov	L1_CACHE_NWAYS*L1_CACHE_NENTRIES,d1  # total number of entries
-
-mn10300_dcache_flush_loop:
-	mov	(a0),d0
-	and	L1_CACHE_TAG_ADDRESS|L1_CACHE_TAG_ENTRY,d0
-	or	L1_CACHE_TAG_VALID,d0		# retain valid entries in the
-						# cache
-	mov	d0,(a1)				# conditional purge
-
-mn10300_dcache_flush_skip:
-	add	L1_CACHE_BYTES,a0
-	add	L1_CACHE_BYTES,a1
-	add	-1,d1
-	bne	mn10300_dcache_flush_loop
-
-;; 	# unconditionally flush and invalidate the dcache
-;; 	mov	DCACHE_PURGE(0,0),a1		# dcache purge request address
-;; 	mov	L1_CACHE_NWAYS*L1_CACHE_NENTRIES,d1	# total number of
-;;							# entries
-;;
-;; gdbstub_purge_cache__dcache_loop:
-;; 	mov	(a1),d0				# unconditional purge
-;;
-;; 	add	L1_CACHE_BYTES,a1
-;; 	add	-1,d1
-;; 	bne	gdbstub_purge_cache__dcache_loop
-
-	#######################################################################
-	# now invalidate the icache
-	mov	CHCTR,a0
-	movhu	(a0),a1
-
-	mov	epsw,d1
-	and	~EPSW_IE,epsw
-	nop
-	nop
-
-	# disable the icache
-	and	~CHCTR_ICEN,d0
-	movhu	d0,(a0)
-
-	# and wait for it to calm down
-	setlb
-	movhu	(a0),d0
-	btst	CHCTR_ICBUSY,d0
-	lne
-
-	# invalidate
-	or	CHCTR_ICINV,d0
-	movhu	d0,(a0)
-
-	# wait for the cache to finish
-	mov	CHCTR,a0
-	setlb
-	movhu	(a0),d0
-	btst	CHCTR_ICBUSY,d0
-	lne
-
-	# and reenable it
-	movhu	a1,(a0)
-	movhu	(a0),d0			# read back to flush
-					# (SIGILLs all over without this)
-
-	mov	d1,epsw
-
-	ret	[],0
-
-	.size	gdbstub_purge_cache,.-gdbstub_purge_cache