Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

36 files changed, 670 insertions, 1627 deletions

diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index c1e69a1f92a..2e74cb0b780 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -34,31 +34,24 @@ config GENERIC_HARDIRQS
 	bool
 	default y
 
+config ARCH_HAS_ILOG2_U32
+	bool
+	default n
+
+config ARCH_HAS_ILOG2_U64
+	bool
+	default n
+
 source "init/Kconfig"
 
 menu "Processor type and features"
 
 choice
 	prompt "Xtensa Processor Configuration"
-	default XTENSA_CPU_LINUX_BE
+	default XTENSA_VARIANT_FSF
 
-config XTENSA_CPU_LINUX_BE
-	bool "linux_be"
-	---help---
-	  The linux_be processor configuration is the baseline Xtensa
-	  configurations included in this kernel and also used by
-	  binutils, gcc, and gdb. It contains no TIE, no coprocessors,
-	  and the following configuration options:
-
-	  Code Density Option                2 Misc Special Registers
-	  NSA/NSAU Instructions              128-bit Data Bus Width
-	  Processor ID                       8K, 2-way I and D Caches
-	  Zero-Overhead Loops                2 Inst Address Break Registers
-	  Big Endian                         2 Data Address Break Registers
-	  64 General-Purpose Registers       JTAG Interface and Trace Port
-	  17 Interrupts                      MMU w/ TLBs and Autorefill
-	  3 Interrupt Levels                 8 Autorefill Ways (I/D TLBs)
-	  3 Timers                           Unaligned Exceptions
+config XTENSA_VARIANT_FSF
+	bool "fsf"
 endchoice
 
 config MMU
diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile
index 3a3a4c66ef8..95f836db38f 100644
--- a/arch/xtensa/Makefile
+++ b/arch/xtensa/Makefile
@@ -11,13 +11,13 @@
 # this architecture
 
 # Core configuration.
-# (Use CPU=<xtensa_config> to use another default compiler.)
+# (Use VAR=<xtensa_config> to use another default compiler.)
 
-cpu-$(CONFIG_XTENSA_CPU_LINUX_BE)	:= linux_be
-cpu-$(CONFIG_XTENSA_CPU_LINUX_CUSTOM)	:= linux_custom
+variant-$(CONFIG_XTENSA_VARIANT_FSF)		:= fsf
+variant-$(CONFIG_XTENSA_VARIANT_LINUX_CUSTOM)	:= custom
 
-CPU = $(cpu-y)
-export CPU
+VARIANT = $(variant-y)
+export VARIANT
 
 # Platform configuration
 
@@ -27,8 +27,6 @@ platform-$(CONFIG_XTENSA_PLATFORM_ISS)		:= iss
 PLATFORM = $(platform-y)
 export PLATFORM
 
-CPPFLAGS	+= $(if $(KBUILD_SRC),-I$(srctree)/include/asm-xtensa/)
-CPPFLAGS	+= -Iinclude/asm
 CFLAGS		+= -pipe -mlongcalls
 
 KBUILD_DEFCONFIG := iss_defconfig
@@ -41,12 +39,12 @@ core-$(CONFIG_EMBEDDED_RAMDISK)	+= arch/xtensa/boot/ramdisk/
 
 # Test for cross compiling
 
-ifneq ($(CPU),)
+ifneq ($(VARIANT),)
   COMPILE_ARCH = $(shell uname -m)
 
   ifneq ($(COMPILE_ARCH), xtensa)
     ifndef CROSS_COMPILE
-      CROSS_COMPILE = xtensa_$(CPU)-
+      CROSS_COMPILE = xtensa_$(VARIANT)-
     endif
   endif
 endif
@@ -68,14 +66,13 @@ archinc		:= include/asm-xtensa
 
 archprepare: $(archinc)/.platform
 
-# Update machine cpu and platform symlinks if something which affects
+# Update processor variant and platform symlinks if something which affects
 # them changed.
 
 $(archinc)/.platform: $(wildcard include/config/arch/*.h) include/config/auto.conf
-	@echo '  SYMLINK $(archinc)/xtensa/config -> $(archinc)/xtensa/config-$(CPU)'
+	@echo '  SYMLINK $(archinc)/variant -> $(archinc)/variant-$(VARIANT)'
 	$(Q)mkdir -p $(archinc)
-	$(Q)mkdir -p $(archinc)/xtensa
-	$(Q)ln -fsn $(srctree)/$(archinc)/xtensa/config-$(CPU) $(archinc)/xtensa/config
+	$(Q)ln -fsn $(srctree)/$(archinc)/variant-$(VARIANT) $(archinc)/variant
 	@echo '  SYMLINK $(archinc)/platform -> $(archinc)/platform-$(PLATFORM)'
 	$(Q)ln -fsn $(srctree)/$(archinc)/platform-$(PLATFORM) $(archinc)/platform
 	@touch $@
@@ -89,7 +86,7 @@ zImage zImage.initrd: vmlinux
 	$(Q)$(MAKE) $(build)=$(boot) $@
 
 CLEAN_FILES	+= arch/xtensa/vmlinux.lds                      \
-		   $(archinc)/platform $(archinc)/xtensa/config \
+		   $(archinc)/platform $(archinc)/variant	\
 		   $(archinc)/.platform
 
 define archhelp
diff --git a/arch/xtensa/boot/boot-elf/bootstrap.S b/arch/xtensa/boot/boot-elf/bootstrap.S
index f857fc760aa..464298bc348 100644
--- a/arch/xtensa/boot/boot-elf/bootstrap.S
+++ b/arch/xtensa/boot/boot-elf/bootstrap.S
@@ -1,7 +1,4 @@
 
-#include <xtensa/config/specreg.h>
-#include <xtensa/config/core.h>
-
 #include <asm/bootparam.h>
 
 
diff --git a/arch/xtensa/boot/boot-redboot/bootstrap.S b/arch/xtensa/boot/boot-redboot/bootstrap.S
index ee636b0da81..84848123e2a 100644
--- a/arch/xtensa/boot/boot-redboot/bootstrap.S
+++ b/arch/xtensa/boot/boot-redboot/bootstrap.S
@@ -1,9 +1,7 @@
-
-#define _ASMLANGUAGE
-#include <xtensa/config/specreg.h>
-#include <xtensa/config/core.h>
-#include <xtensa/cacheasm.h>
-
+#include <asm/variant/core.h>
+#include <asm/regs.h>
+#include <asm/asmmacro.h>
+#include <asm/cacheasm.h>
 	/*
 	 * RB-Data: RedBoot data/bss
 	 * P:	    Boot-Parameters
@@ -77,8 +75,14 @@ _start:
 	/* Note: The assembler cannot relax "addi a0, a0, ..." to an
 	   l32r, so we load to a4 first. */
 
-	addi	a4, a0, __start - __start_a0
-	mov	a0, a4
+	# addi	a4, a0, __start - __start_a0
+	# mov	a0, a4
+
+	movi	a4, __start
+	movi	a5, __start_a0
+	add	a4, a0, a4
+	sub	a0, a4, a5
+
 	movi	a4, __start
 	movi	a5, __reloc_end
 
@@ -106,9 +110,13 @@ _start:
 	/* We have to flush and invalidate the caches here before we jump. */
 
 #if XCHAL_DCACHE_IS_WRITEBACK
-	dcache_writeback_all  a5, a6
+
+	___flush_dcache_all a5 a6
+
 #endif
-	icache_invalidate_all a5, a6
+
+	___invalidate_icache_all a5 a6
+	isync
 
 	movi	a11, _reloc
 	jx	a11
@@ -209,9 +217,14 @@ _reloc:
 	/* jump to the kernel */
 2:
 #if XCHAL_DCACHE_IS_WRITEBACK
-	dcache_writeback_all a5, a6
+
+	___flush_dcache_all a5 a6
+
 #endif
-	icache_invalidate_all a5, a6
+
+	___invalidate_icache_all a5 a6
+
+	isync
 
 	movi	a5, __start
 	movi	a3, boot_initrd_start
diff --git a/arch/xtensa/configs/iss_defconfig b/arch/xtensa/configs/iss_defconfig
index 802621dd486..f19854035e6 100644
--- a/arch/xtensa/configs/iss_defconfig
+++ b/arch/xtensa/configs/iss_defconfig
@@ -53,11 +53,7 @@ CONFIG_CC_ALIGN_JUMPS=0
 #
 # Processor type and features
 #
-CONFIG_XTENSA_ARCH_LINUX_BE=y
-# CONFIG_XTENSA_ARCH_LINUX_LE is not set
-# CONFIG_XTENSA_ARCH_LINUX_TEST is not set
-# CONFIG_XTENSA_ARCH_S5 is not set
-# CONFIG_XTENSA_CUSTOM is not set
+CONFIG_XTENSA_VARIANT_FSF=y
 CONFIG_MMU=y
 # CONFIG_XTENSA_UNALIGNED_USER is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/xtensa/kernel/Makefile b/arch/xtensa/kernel/Makefile
index d573017a5dd..71f733c4f66 100644
--- a/arch/xtensa/kernel/Makefile
+++ b/arch/xtensa/kernel/Makefile
@@ -6,7 +6,7 @@ extra-y := head.o vmlinux.lds
 
 
 obj-y := align.o entry.o irq.o coprocessor.o process.o ptrace.o semaphore.o  \
-	 setup.o signal.o syscalls.o time.o traps.o vectors.o platform.o  \
+	 setup.o signal.o syscall.o time.o traps.o vectors.o platform.o  \
 	 pci-dma.o
 
 ## windowspill.o
diff --git a/arch/xtensa/kernel/align.S b/arch/xtensa/kernel/align.S
index a4956578a24..33d6e9d2e83 100644
--- a/arch/xtensa/kernel/align.S
+++ b/arch/xtensa/kernel/align.S
@@ -16,14 +16,9 @@
  */
 
 #include <linux/linkage.h>
-#include <asm/ptrace.h>
-#include <asm/ptrace.h>
 #include <asm/current.h>
 #include <asm/asm-offsets.h>
-#include <asm/pgtable.h>
 #include <asm/processor.h>
-#include <asm/page.h>
-#include <asm/thread_info.h>
 
 #if XCHAL_UNALIGNED_LOAD_EXCEPTION || XCHAL_UNALIGNED_STORE_EXCEPTION
 
@@ -216,7 +211,7 @@ ENTRY(fast_unaligned)
 
 	extui	a5, a4, INSN_OP0, 4	# get insn.op0 nibble
 
-#if XCHAL_HAVE_NARROW
+#if XCHAL_HAVE_DENSITY
 	_beqi	a5, OP0_L32I_N, .Lload	# L32I.N, jump
 	addi	a6, a5, -OP0_S32I_N
 	_beqz	a6, .Lstore		# S32I.N, do a store
@@ -251,7 +246,7 @@ ENTRY(fast_unaligned)
 #endif
 	__src_b	a3, a5, a6		# a3 has the data word
 
-#if XCHAL_HAVE_NARROW
+#if XCHAL_HAVE_DENSITY
 	addi	a7, a7, 2		# increment PC (assume 16-bit insn)
 
 	extui	a5, a4, INSN_OP0, 4
@@ -279,14 +274,14 @@ ENTRY(fast_unaligned)
 
 1:
 
-#if XCHAL_HAVE_LOOP
-	rsr	a3, LEND		# check if we reached LEND
-	bne	a7, a3, 1f
-	rsr	a3, LCOUNT		# and LCOUNT != 0
-	beqz	a3, 1f
-	addi	a3, a3, -1		# decrement LCOUNT and set
+#if XCHAL_HAVE_LOOPS
+	rsr	a5, LEND		# check if we reached LEND
+	bne	a7, a5, 1f
+	rsr	a5, LCOUNT		# and LCOUNT != 0
+	beqz	a5, 1f
+	addi	a5, a5, -1		# decrement LCOUNT and set
 	rsr	a7, LBEG		# set PC to LBEGIN
-	wsr	a3, LCOUNT
+	wsr	a5, LCOUNT
 #endif
 
 1:	wsr	a7, EPC_1		# skip load instruction
@@ -336,7 +331,7 @@ ENTRY(fast_unaligned)
 
 	movi	a6, 0			# mask: ffffffff:00000000
 
-#if XCHAL_HAVE_NARROW
+#if XCHAL_HAVE_DENSITY
 	addi	a7, a7, 2		# incr. PC,assume 16-bit instruction
 
 	extui	a5, a4, INSN_OP0, 4	# extract OP0
@@ -359,14 +354,14 @@ ENTRY(fast_unaligned)
 	/* Get memory address */
 
 1:
-#if XCHAL_HAVE_LOOP
-	rsr	a3, LEND		# check if we reached LEND
-	bne	a7, a3, 1f
-	rsr	a3, LCOUNT		# and LCOUNT != 0
-	beqz	a3, 1f
-	addi	a3, a3, -1		# decrement LCOUNT and set
+#if XCHAL_HAVE_LOOPS
+	rsr	a4, LEND		# check if we reached LEND
+	bne	a7, a4, 1f
+	rsr	a4, LCOUNT		# and LCOUNT != 0
+	beqz	a4, 1f
+	addi	a4, a4, -1		# decrement LCOUNT and set
 	rsr	a7, LBEG		# set PC to LBEGIN
-	wsr	a3, LCOUNT
+	wsr	a4, LCOUNT
 #endif
 
 1:	wsr	a7, EPC_1		# skip store instruction
@@ -416,6 +411,7 @@ ENTRY(fast_unaligned)
 
 	/* Restore working register */
 
+	l32i	a8, a2, PT_AREG8
 	l32i	a7, a2, PT_AREG7
 	l32i	a6, a2, PT_AREG6
 	l32i	a5, a2, PT_AREG5
@@ -446,7 +442,7 @@ ENTRY(fast_unaligned)
 	mov	a1, a2
 
 	rsr	a0, PS
-        bbsi.l  a2, PS_UM_SHIFT, 1f     # jump if user mode
+        bbsi.l  a2, PS_UM_BIT, 1f     # jump if user mode
 
 	movi	a0, _kernel_exception
 	jx	a0
diff --git a/arch/xtensa/kernel/asm-offsets.c b/arch/xtensa/kernel/asm-offsets.c
index 7cd1d7f8f60..b256cfbef34 100644
--- a/arch/xtensa/kernel/asm-offsets.c
+++ b/arch/xtensa/kernel/asm-offsets.c
@@ -87,6 +87,11 @@ int main(void)
 	DEFINE(MM_CONTEXT, offsetof (struct mm_struct, context));
 	BLANK();
 	DEFINE(PT_SINGLESTEP_BIT, PT_SINGLESTEP_BIT);
+
+	/* constants */
+	DEFINE(_CLONE_VM, CLONE_VM);
+	DEFINE(_CLONE_UNTRACED, CLONE_UNTRACED);
+
 	return 0;
 }
 
diff --git a/arch/xtensa/kernel/coprocessor.S b/arch/xtensa/kernel/coprocessor.S
index cf5a93fb6a2..01bcb9fcfcb 100644
--- a/arch/xtensa/kernel/coprocessor.S
+++ b/arch/xtensa/kernel/coprocessor.S
@@ -90,7 +90,6 @@ ENTRY(enable_coprocessor)
 	rsync
 	retw
 
-#endif
 
 ENTRY(save_coprocessor_extra)
 	entry	sp, 16
@@ -197,4 +196,5 @@ _xtensa_reginfo_tables:
 	XCHAL_CP7_SA_CONTENTS_LIBDB
 	.word	0xFC000000	/* invalid register number,marks end of table*/
 _xtensa_reginfo_table_end:
+#endif
 
diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S
index 89e409e9e0d..9e271ba009b 100644
--- a/arch/xtensa/kernel/entry.S
+++ b/arch/xtensa/kernel/entry.S
@@ -24,7 +24,7 @@
 #include <asm/pgtable.h>
 #include <asm/page.h>
 #include <asm/signal.h>
-#include <xtensa/coreasm.h>
+#include <asm/tlbflush.h>
 
 /* Unimplemented features. */
 
@@ -364,7 +364,7 @@ common_exception:
 	movi	a2, 1
 	extui	a3, a3, 0, 1		# a3 = PS.INTLEVEL[0]
 	moveqz	a3, a2, a0		# a3 = 1 iff interrupt exception
-	movi	a2, PS_WOE_MASK
+	movi	a2, 1 << PS_WOE_BIT
 	or	a3, a3, a2
 	rsr	a0, EXCCAUSE
 	xsr	a3, PS
@@ -399,7 +399,7 @@ common_exception_return:
 	/* Jump if we are returning from kernel exceptions. */
 
 1:	l32i	a3, a1, PT_PS
-	_bbsi.l	a3, PS_UM_SHIFT, 2f
+	_bbsi.l	a3, PS_UM_BIT, 2f
 	j	kernel_exception_exit
 
 	/* Specific to a user exception exit:
@@ -422,7 +422,7 @@ common_exception_return:
 	 *       (Hint: There is only one user exception frame on stack)
 	 */
 
-	movi	a3, PS_WOE_MASK
+	movi	a3, 1 << PS_WOE_BIT
 
 	_bbsi.l	a4, TIF_NEED_RESCHED, 3f
 	_bbci.l	a4, TIF_SIGPENDING, 4f
@@ -694,7 +694,7 @@ common_exception_exit:
 ENTRY(debug_exception)
 
 	rsr	a0, EPS + XCHAL_DEBUGLEVEL
-	bbsi.l	a0, PS_EXCM_SHIFT, 1f	# exception mode
+	bbsi.l	a0, PS_EXCM_BIT, 1f	# exception mode
 
 	/* Set EPC_1 and EXCCAUSE */
 
@@ -707,7 +707,7 @@ ENTRY(debug_exception)
 
 	/* Restore PS to the value before the debug exc but with PS.EXCM set.*/
 
-	movi	a2, 1 << PS_EXCM_SHIFT
+	movi	a2, 1 << PS_EXCM_BIT
 	or	a2, a0, a2
 	movi	a0, debug_exception	# restore a3, debug jump vector
 	wsr	a2, PS
@@ -715,7 +715,7 @@ ENTRY(debug_exception)
 
 	/* Switch to kernel/user stack, restore jump vector, and save a0 */
 
-	bbsi.l	a2, PS_UM_SHIFT, 2f	# jump if user mode
+	bbsi.l	a2, PS_UM_BIT, 2f	# jump if user mode
 
 	addi	a2, a1, -16-PT_SIZE	# assume kernel stack
 	s32i	a0, a2, PT_AREG0
@@ -778,7 +778,7 @@ ENTRY(unrecoverable_exception)
 	wsr	a1, WINDOWBASE
 	rsync
 
-	movi	a1, PS_WOE_MASK | 1
+	movi	a1, (1 << PS_WOE_BIT) | 1
 	wsr	a1, PS
 	rsync
 
@@ -1004,13 +1004,10 @@ ENTRY(fast_syscall_kernel)
 
 	rsr	a0, DEPC			# get syscall-nr
 	_beqz	a0, fast_syscall_spill_registers
-
-	addi	a0, a0, -__NR_sysxtensa
-	_beqz	a0, fast_syscall_sysxtensa
+	_beqi	a0, __NR_xtensa, fast_syscall_xtensa
 
 	j	kernel_exception
 
-
 ENTRY(fast_syscall_user)
 
 	/* Skip syscall. */
@@ -1024,9 +1021,7 @@ ENTRY(fast_syscall_user)
 
 	rsr	a0, DEPC			# get syscall-nr
 	_beqz	a0, fast_syscall_spill_registers
-
-	addi	a0, a0, -__NR_sysxtensa
-	_beqz	a0, fast_syscall_sysxtensa
+	_beqi	a0, __NR_xtensa, fast_syscall_xtensa
 
 	j	user_exception
 
@@ -1047,18 +1042,19 @@ ENTRY(fast_syscall_unrecoverable)
 /*
  * sysxtensa syscall handler
  *
- * int sysxtensa (XTENSA_ATOMIC_SET, ptr, val, unused);
- * int sysxtensa (XTENSA_ATOMIC_ADD, ptr, val, unused);
- * int sysxtensa (XTENSA_ATOMIC_EXG_ADD, ptr, val, unused);
- * int sysxtensa (XTENSA_ATOMIC_CMP_SWP, ptr, oldval, newval);
- * a2                    a6              a3    a4      a5
+ * int sysxtensa (SYS_XTENSA_ATOMIC_SET,     ptr, val,    unused);
+ * int sysxtensa (SYS_XTENSA_ATOMIC_ADD,     ptr, val,    unused);
+ * int sysxtensa (SYS_XTENSA_ATOMIC_EXG_ADD, ptr, val,    unused);
+ * int sysxtensa (SYS_XTENSA_ATOMIC_CMP_SWP, ptr, oldval, newval);
+ *        a2            a6                   a3    a4      a5
  *
  * Entry condition:
  *
- *   a0:	trashed, original value saved on stack (PT_AREG0)
+ *   a0:	a2 (syscall-nr), original value saved on stack (PT_AREG0)
  *   a1:	a1
- *   a2:	new stack pointer, original in DEPC
- *   a3:	dispatch table
+ *   a2:	new stack pointer, original in a0 and DEPC
+ *   a3:	dispatch table, original in excsave_1
+ *   a4..a15:	unchanged
  *   depc:	a2, original value saved on stack (PT_DEPC)
  *   excsave_1:	a3
  *
@@ -1091,59 +1087,62 @@ ENTRY(fast_syscall_unrecoverable)
 #define CATCH								\
 67:
 
-ENTRY(fast_syscall_sysxtensa)
-
-	_beqz	a6, 1f
-	_blti	a6, SYSXTENSA_COUNT, 2f
+ENTRY(fast_syscall_xtensa)
 
-1:	j	user_exception
-
-2:	xsr	a3, EXCSAVE_1		# restore a3, excsave1
-	s32i	a7, a2, PT_AREG7
+	xsr	a3, EXCSAVE_1		# restore a3, excsave1
 
+	s32i	a7, a2, PT_AREG7	# we need an additional register
 	movi	a7, 4			# sizeof(unsigned int)
-	access_ok a0, a3, a7, a2, .Leac
+	access_ok a3, a7, a0, a2, .Leac	# a0: scratch reg, a2: sp
 
-	_beqi	a6, SYSXTENSA_ATOMIC_SET, .Lset
-	_beqi	a6, SYSXTENSA_ATOMIC_EXG_ADD, .Lexg
-	_beqi	a6, SYSXTENSA_ATOMIC_ADD, .Ladd
+	addi	a6, a6, -1		# assuming SYS_XTENSA_ATOMIC_SET = 1
+	_bgeui	a6, SYS_XTENSA_COUNT - 1, .Lill
+	_bnei	a6, SYS_XTENSA_ATOMIC_CMP_SWP - 1, .Lnswp
 
-	/* Fall through for SYSXTENSA_ATOMIC_CMP_SWP */
+	/* Fall through for ATOMIC_CMP_SWP. */
 
 .Lswp:	/* Atomic compare and swap */
 
-TRY	l32i	a7, a3, 0		# read old value
-	bne	a7, a4, 1f		# same as old value? jump
-	s32i	a5, a3, 0		# different, modify value
-	movi	a7, 1			# and return 1
-	j	.Lret
-
-1:	movi	a7, 0			# same values: return 0
-	j	.Lret
-
-.Ladd:	/* Atomic add */
-.Lexg:	/* Atomic (exchange) add */
+TRY	l32i	a0, a3, 0		# read old value
+	bne	a0, a4, 1f		# same as old value? jump
+TRY	s32i	a5, a3, 0		# different, modify value
+	l32i	a7, a2, PT_AREG7	# restore a7
+	l32i	a0, a2, PT_AREG0	# restore a0
+	movi	a2, 1			# and return 1
+	addi	a6, a6, 1		# restore a6 (really necessary?)
+	rfe
 
-TRY	l32i	a7, a3, 0
-	add	a4, a4, a7
-	s32i	a4, a3, 0
-	j	.Lret
+1:	l32i	a7, a2, PT_AREG7	# restore a7
+	l32i	a0, a2, PT_AREG0	# restore a0
+	movi	a2, 0			# return 0 (note that we cannot set
+	addi	a6, a6, 1		# restore a6 (really necessary?)
+	rfe
 
-.Lset:	/* Atomic set */
+.Lnswp:	/* Atomic set, add, and exg_add. */
 
-TRY	l32i	a7, a3, 0		# read old value as return value
-	s32i	a4, a3, 0		# write new value
+TRY	l32i	a7, a3, 0		# orig
+	add	a0, a4, a7		# + arg
+	moveqz	a0, a4, a6		# set
+TRY	s32i	a0, a3, 0		# write new value
 
-.Lret:	mov	a0, a2
+	mov	a0, a2
 	mov	a2, a7
-	l32i	a7, a0, PT_AREG7
-	l32i	a3, a0, PT_AREG3
-	l32i	a0, a0, PT_AREG0
+	l32i	a7, a0, PT_AREG7	# restore a7
+	l32i	a0, a0, PT_AREG0	# restore a0
+	addi	a6, a6, 1		# restore a6 (really necessary?)
 	rfe
 
 CATCH
-.Leac:	movi	a7, -EFAULT
-	j	.Lret
+.Leac:	l32i	a7, a2, PT_AREG7	# restore a7
+	l32i	a0, a2, PT_AREG0	# restore a0
+	movi	a2, -EFAULT
+	rfe
+
+.Lill:	l32i	a7, a2, PT_AREG0	# restore a7
+	l32i	a0, a2, PT_AREG0	# restore a0
+	movi	a2, -EINVAL
+	rfe
+
 
 
 
@@ -1491,7 +1490,7 @@ ENTRY(_spill_registers)
 	 */
 
 	rsr	a0, PS
-	_bbci.l	a0, PS_UM_SHIFT, 1f
+	_bbci.l	a0, PS_UM_BIT, 1f
 
  	/* User space: Setup a dummy frame and kill application.
 	 * Note: We assume EXC_TABLE_KSTK contains a valid stack pointer.
@@ -1510,7 +1509,7 @@ ENTRY(_spill_registers)
 	l32i	a1, a3, EXC_TABLE_KSTK
 	wsr	a3, EXCSAVE_1
 
-	movi	a4, PS_WOE_MASK | 1
+	movi	a4, (1 << PS_WOE_BIT) | 1
 	wsr	a4, PS
 	rsync
 
@@ -1612,7 +1611,7 @@ ENTRY(fast_second_level_miss)
 	rsr	a1, PTEVADDR
 	srli	a1, a1, PAGE_SHIFT
 	slli	a1, a1, PAGE_SHIFT	# ptevaddr & PAGE_MASK
-	addi	a1, a1, DTLB_WAY_PGTABLE	# ... + way_number
+	addi	a1, a1, DTLB_WAY_PGD	# ... + way_number
 
 	wdtlb	a0, a1
 	dsync
@@ -1654,7 +1653,7 @@ ENTRY(fast_second_level_miss)
 	mov	a1, a2
 
 	rsr	a2, PS
-	bbsi.l	a2, PS_UM_SHIFT, 1f
+	bbsi.l	a2, PS_UM_BIT, 1f
 	j	_kernel_exception
 1:	j	_user_exception
 
@@ -1753,7 +1752,7 @@ ENTRY(fast_store_prohibited)
 	mov	a1, a2
 
 	rsr	a2, PS
-	bbsi.l	a2, PS_UM_SHIFT, 1f
+	bbsi.l	a2, PS_UM_BIT, 1f
 	j	_kernel_exception
 1:	j	_user_exception
 
@@ -1907,6 +1906,103 @@ ENTRY(fast_coprocessor)
 #endif /* XCHAL_EXTRA_SA_SIZE */
 
 /*
+ * System Calls.
+ *
+ * void system_call (struct pt_regs* regs, int exccause)
+ *                            a2                 a3
+ */
+
+ENTRY(system_call)
+	entry	a1, 32
+
+	/* regs->syscall = regs->areg[2] */
+
+	l32i	a3, a2, PT_AREG2
+	mov	a6, a2
+	movi	a4, do_syscall_trace_enter
+	s32i	a3, a2, PT_SYSCALL
+	callx4	a4
+
+	/* syscall = sys_call_table[syscall_nr] */
+
+	movi	a4, sys_call_table;
+	movi	a5, __NR_syscall_count
+	movi	a6, -ENOSYS
+	bgeu	a3, a5, 1f
+
+	addx4	a4, a3, a4
+	l32i	a4, a4, 0
+	movi	a5, sys_ni_syscall;
+	beq	a4, a5, 1f
+
+	/* Load args: arg0 - arg5 are passed via regs. */
+
+	l32i	a6, a2, PT_AREG6
+	l32i	a7, a2, PT_AREG3
+	l32i	a8, a2, PT_AREG4
+	l32i	a9, a2, PT_AREG5
+	l32i	a10, a2, PT_AREG8
+	l32i	a11, a2, PT_AREG9
+
+	/* Pass one additional argument to the syscall: pt_regs (on stack) */
+	s32i	a2, a1, 0
+
+	callx4	a4
+
+1:	/* regs->areg[2] = return_value */
+
+	s32i	a6, a2, PT_AREG2
+	movi	a4, do_syscall_trace_leave
+	mov	a6, a2
+	callx4	a4
+	retw
+
+
+/*
+ * Create a kernel thread
+ *
+ * int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags)
+ * a2                    a2                 a3             a4
+ */
+
+ENTRY(kernel_thread)
+	entry	a1, 16
+
+	mov	a5, a2			# preserve fn over syscall
+	mov	a7, a3			# preserve args over syscall
+
+	movi	a3, _CLONE_VM | _CLONE_UNTRACED
+	movi	a2, __NR_clone
+	or	a6, a4, a3		# arg0: flags
+	mov	a3, a1			# arg1: sp
+	syscall
+
+	beq	a3, a1, 1f		# branch if parent
+	mov	a6, a7			# args
+	callx4	a5			# fn(args)
+
+	movi	a2, __NR_exit
+	syscall				# return value of fn(args) still in a6
+
+1:	retw
+
+/*
+ * Do a system call from kernel instead of calling sys_execve, so we end up
+ * with proper pt_regs.
+ *
+ * int kernel_execve(const char *fname, char *const argv[], charg *const envp[])
+ * a2                        a2               a3                  a4
+ */
+
+ENTRY(kernel_execve)
+	entry	a1, 16
+	mov	a6, a2			# arg0 is in a6
+	movi	a2, __NR_execve
+	syscall
+
+	retw
+
+/*
  * Task switch.
  *
  * struct task*  _switch_to (struct task* prev, struct task* next)
@@ -1924,7 +2020,7 @@ ENTRY(_switch_to)
 
 	/* Disable ints while we manipulate the stack pointer; spill regs. */
 
-	movi	a5, PS_EXCM_MASK | LOCKLEVEL
+	movi	a5, (1 << PS_EXCM_BIT) | LOCKLEVEL
 	xsr	a5, PS
 	rsr	a3, EXCSAVE_1
 	rsync
@@ -1964,33 +2060,9 @@ ENTRY(ret_from_fork)
 	movi	a4, schedule_tail
 	callx4	a4
 
-	movi	a4, do_syscall_trace
+	movi	a4, do_syscall_trace_leave
+	mov	a6, a1
 	callx4	a4
 
 	j	common_exception_return
 
-
-
-/*
- * Table of syscalls
- */
-
-.data
-.align  4
-.global sys_call_table
-sys_call_table:
-
-#define SYSCALL(call, narg) .word call
-#include "syscalls.h"
-
-/*
- * Number of arguments of each syscall
- */
-
-.global sys_narg_table
-sys_narg_table:
-
-#undef SYSCALL
-#define SYSCALL(call, narg) .byte narg
-#include "syscalls.h"
-
diff --git a/arch/xtensa/kernel/head.S b/arch/xtensa/kernel/head.S
index c07cb252299..ea89910efa4 100644
--- a/arch/xtensa/kernel/head.S
+++ b/arch/xtensa/kernel/head.S
@@ -15,9 +15,9 @@
  * Kevin Chea
  */
 
-#include <xtensa/cacheasm.h>
 #include <asm/processor.h>
 #include <asm/page.h>
+#include <asm/cacheasm.h>
 
 /*
  * This module contains the entry code for kernel images. It performs the
@@ -32,13 +32,6 @@
  *
  */
 
-	.macro	iterate	from, to , cmd
-		.ifeq	((\to - \from) & ~0xfff)
-			\cmd	\from
-			iterate "(\from+1)", \to, \cmd
-		.endif
-	.endm
-
 /*
  *  _start
  *
@@ -64,7 +57,7 @@ _startup:
 
 	/* Disable interrupts and exceptions. */
 
-	movi	a0, XCHAL_PS_EXCM_MASK
+	movi	a0, LOCKLEVEL
 	wsr	a0, PS
 
 	/* Preserve the pointer to the boot parameter list in EXCSAVE_1 */
@@ -91,11 +84,11 @@ _startup:
 	movi	a1, 15
 	wsr	a0, ICOUNTLEVEL
 
-	.macro reset_dbreak num
-	wsr	a0, DBREAKC + \num
-	.endm
-
-        iterate 0, XCHAL_NUM_IBREAK-1, reset_dbreak
+	.set	_index, 0
+	.rept	XCHAL_NUM_DBREAK - 1
+	wsr	a0, DBREAKC + _index
+	.set	_index, _index + 1
+	.endr
 #endif
 
 	/* Clear CCOUNT (not really necessary, but nice) */
@@ -110,10 +103,11 @@ _startup:
 
 	/* Disable all timers. */
 
-	.macro	reset_timer	num
-	wsr	a0, CCOMPARE_0 + \num
-	.endm
-	iterate	0, XCHAL_NUM_TIMERS-1, reset_timer
+	.set	_index, 0
+	.rept	XCHAL_NUM_TIMERS - 1
+	wsr	a0, CCOMPARE + _index
+	.set	_index, _index + 1
+	.endr
 
 	/* Interrupt initialization. */
 
@@ -139,12 +133,21 @@ _startup:
 	rsync
 
 	/*  Initialize the caches.
-	 *  Does not include flushing writeback d-cache.
-	 *  a6, a7 are just working registers (clobbered).
+	 *  a2, a3 are just working registers (clobbered).
 	 */
 
-	icache_reset  a2, a3
-	dcache_reset  a2, a3
+#if XCHAL_DCACHE_LINE_LOCKABLE
+	___unlock_dcache_all a2 a3
+#endif
+
+#if XCHAL_ICACHE_LINE_LOCKABLE
+	___unlock_icache_all a2 a3
+#endif
+
+	___invalidate_dcache_all a2 a3
+	___invalidate_icache_all a2 a3
+
+	isync
 
 	/* Unpack data sections
 	 *
@@ -181,9 +184,9 @@ _startup:
 	movi	a2, _bss_start	# start of BSS
 	movi	a3, _bss_end	# end of BSS
 
-1:	addi	a2, a2, 4
+	__loopt	a2, a3, a4, 2
 	s32i	a0, a2, 0
-	blt	a2, a3, 1b
+	__endla	a2, a4, 4
 
 #if XCHAL_DCACHE_IS_WRITEBACK
 
@@ -191,7 +194,7 @@ _startup:
 	 * instructions/data are available.
 	 */
 
-	dcache_writeback_all	a2, a3
+	___flush_dcache_all a2 a3
 #endif
 
 	/* Setup stack and enable window exceptions (keep irqs disabled) */
diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c
index 1cf744ee095..c9ea73b7031 100644
--- a/arch/xtensa/kernel/irq.c
+++ b/arch/xtensa/kernel/irq.c
@@ -4,7 +4,7 @@
  * Xtensa built-in interrupt controller and some generic functions copied
  * from i386.
  *
- * Copyright (C) 2002 - 2005 Tensilica, Inc.
+ * Copyright (C) 2002 - 2006 Tensilica, Inc.
  * Copyright (C) 1992, 1998 Linus Torvalds, Ingo Molnar
  *
  *
@@ -22,11 +22,6 @@
 #include <asm/uaccess.h>
 #include <asm/platform.h>
 
-static void enable_xtensa_irq(unsigned int irq);
-static void disable_xtensa_irq(unsigned int irq);
-static void mask_and_ack_xtensa(unsigned int irq);
-static void end_xtensa_irq(unsigned int irq);
-
 static unsigned int cached_irq_mask;
 
 atomic_t irq_err_count;
@@ -46,8 +41,16 @@ void ack_bad_irq(unsigned int irq)
  * handlers).
  */
 
-unsigned int  do_IRQ(int irq, struct pt_regs *regs)
+asmlinkage void do_IRQ(int irq, struct pt_regs *regs)
 {
+	struct pt_regs *old_regs = set_irq_regs(regs);
+	struct irq_desc *desc = irq_desc + irq;
+
+	if (irq >= NR_IRQS) {
+		printk(KERN_EMERG "%s: cannot handle IRQ %d\n",
+				__FUNCTION__, irq);
+	}
+
 	irq_enter();
 
 #ifdef CONFIG_DEBUG_STACKOVERFLOW
@@ -63,12 +66,10 @@ unsigned int  do_IRQ(int irq, struct pt_regs *regs)
 			       sp - sizeof(struct thread_info));
 	}
 #endif
-
-	__do_IRQ(irq, regs);
+	desc->handle_irq(irq, desc);
 
 	irq_exit();
-
-	return 1;
+	set_irq_regs(old_regs);
 }
 
 /*
@@ -118,72 +119,68 @@ skip:
 	}
 	return 0;
 }
-/* shutdown is same as "disable" */
-#define shutdown_xtensa_irq disable_xtensa_irq
 
-static unsigned int startup_xtensa_irq(unsigned int irq)
-{
-	enable_xtensa_irq(irq);
-	return 0;               /* never anything pending */
-}
-
-static struct hw_interrupt_type xtensa_irq_type = {
-	"Xtensa-IRQ",
-	startup_xtensa_irq,
-	shutdown_xtensa_irq,
-	enable_xtensa_irq,
-	disable_xtensa_irq,
-	mask_and_ack_xtensa,
-	end_xtensa_irq
-};
-
-static inline void mask_irq(unsigned int irq)
+static void xtensa_irq_mask(unsigned int irq)
 {
 	cached_irq_mask &= ~(1 << irq);
 	set_sr (cached_irq_mask, INTENABLE);
 }
 
-static inline void unmask_irq(unsigned int irq)
+static void xtensa_irq_unmask(unsigned int irq)
 {
 	cached_irq_mask |= 1 << irq;
 	set_sr (cached_irq_mask, INTENABLE);
 }
 
-static void disable_xtensa_irq(unsigned int irq)
+static void xtensa_irq_ack(unsigned int irq)
 {
-	unsigned long flags;
-	local_save_flags(flags);
-	mask_irq(irq);
-	local_irq_restore(flags);
+	set_sr(1 << irq, INTCLEAR);
 }
 
-static void enable_xtensa_irq(unsigned int irq)
+static int xtensa_irq_retrigger(unsigned int irq)
 {
-	unsigned long flags;
-	local_save_flags(flags);
-	unmask_irq(irq);
-	local_irq_restore(flags);
-}
-
-static void mask_and_ack_xtensa(unsigned int irq)
-{
-        disable_xtensa_irq(irq);
+	set_sr (1 << irq, INTSET);
+	return 1;
 }
 
-static void end_xtensa_irq(unsigned int irq)
-{
-        enable_xtensa_irq(irq);
-}
 
+static struct irq_chip xtensa_irq_chip = {
+	.name		= "xtensa",
+	.mask		= xtensa_irq_mask,
+	.unmask		= xtensa_irq_unmask,
+	.ack		= xtensa_irq_ack,
+	.retrigger	= xtensa_irq_retrigger,
+};
 
 void __init init_IRQ(void)
 {
-	int i;
+	int index;
 
-	for (i=0; i < XTENSA_NR_IRQS; i++)
-		irq_desc[i].chip = &xtensa_irq_type;
+	for (index = 0; index < XTENSA_NR_IRQS; index++) {
+		int mask = 1 << index;
 
-	cached_irq_mask = 0;
+		if (mask & XCHAL_INTTYPE_MASK_SOFTWARE)
+			set_irq_chip_and_handler(index, &xtensa_irq_chip,
+						 handle_simple_irq);
 
-	platform_init_irq();
+		else if (mask & XCHAL_INTTYPE_MASK_EXTERN_EDGE)
+			set_irq_chip_and_handler(index, &xtensa_irq_chip,
+						 handle_edge_irq);
+
+		else if (mask & XCHAL_INTTYPE_MASK_EXTERN_LEVEL)
+			set_irq_chip_and_handler(index, &xtensa_irq_chip,
+						 handle_level_irq);
+
+		else if (mask & XCHAL_INTTYPE_MASK_TIMER)
+			set_irq_chip_and_handler(index, &xtensa_irq_chip,
+						 handle_edge_irq);
+
+		else	/* XCHAL_INTTYPE_MASK_WRITE_ERROR */
+			/* XCHAL_INTTYPE_MASK_NMI */
+
+			set_irq_chip_and_handler(index, &xtensa_irq_chip,
+						 handle_level_irq);
+	}
+
+	cached_irq_mask = 0;
 }
diff --git a/arch/xtensa/kernel/pci-dma.c b/arch/xtensa/kernel/pci-dma.c
index 6648fa9d919..ca76f071666 100644
--- a/arch/xtensa/kernel/pci-dma.c
+++ b/arch/xtensa/kernel/pci-dma.c
@@ -1,5 +1,5 @@
 /*
- * arch/xtensa/kernel/pci-dma.c
+ * arch/xtensa/pci-dma.c
  *
  * DMA coherent memory allocation.
  *
@@ -29,28 +29,48 @@
  */
 
 void *
-dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp)
+dma_alloc_coherent(struct device *dev,size_t size,dma_addr_t *handle,gfp_t flag)
 {
-	void *ret;
+	unsigned long ret;
+	unsigned long uncached = 0;
 
 	/* ignore region speicifiers */
-	gfp &= ~(__GFP_DMA | __GFP_HIGHMEM);
 
-	if (dev == NULL || (*dev->dma_mask < 0xffffffff))
-		gfp |= GFP_DMA;
-	ret = (void *)__get_free_pages(gfp, get_order(size));
+	flag &= ~(__GFP_DMA | __GFP_HIGHMEM);
 
-	if (ret != NULL) {
-		memset(ret, 0, size);
-		*handle = virt_to_bus(ret);
+	if (dev == NULL || (dev->coherent_dma_mask < 0xffffffff))
+		flag |= GFP_DMA;
+	ret = (unsigned long)__get_free_pages(flag, get_order(size));
+
+	if (ret == 0)
+		return NULL;
+
+	/* We currently don't support coherent memory outside KSEG */
+
+	if (ret < XCHAL_KSEG_CACHED_VADDR
+	    || ret >= XCHAL_KSEG_CACHED_VADDR + XCHAL_KSEG_SIZE)
+		BUG();
+
+
+	if (ret != 0) {
+		memset((void*) ret, 0, size);
+		uncached = ret+XCHAL_KSEG_BYPASS_VADDR-XCHAL_KSEG_CACHED_VADDR;
+		*handle = virt_to_bus((void*)ret);
+		__flush_invalidate_dcache_range(ret, size);
 	}
-	return (void*) BYPASS_ADDR((unsigned long)ret);
+
+	return (void*)uncached;
 }
 
 void dma_free_coherent(struct device *hwdev, size_t size,
 			 void *vaddr, dma_addr_t dma_handle)
 {
-	free_pages(CACHED_ADDR((unsigned long)vaddr), get_order(size));
+	long addr=(long)vaddr+XCHAL_KSEG_CACHED_VADDR-XCHAL_KSEG_BYPASS_VADDR;
+
+	if (addr < 0 || addr >= XCHAL_KSEG_SIZE)
+		BUG();
+
+	free_pages(addr, get_order(size));
 }
 
 
diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c
index a7c4178c2a8..795bd5ac6f4 100644
--- a/arch/xtensa/kernel/process.c
+++ b/arch/xtensa/kernel/process.c
@@ -1,4 +1,3 @@
-// TODO	verify coprocessor handling
 /*
  * arch/xtensa/kernel/process.c
  *
@@ -43,7 +42,7 @@
 #include <asm/irq.h>
 #include <asm/atomic.h>
 #include <asm/asm-offsets.h>
-#include <asm/coprocessor.h>
+#include <asm/regs.h>
 
 extern void ret_from_fork(void);
 
@@ -67,25 +66,6 @@ void (*pm_power_off)(void) = NULL;
 EXPORT_SYMBOL(pm_power_off);
 
 
-#if XCHAL_CP_NUM > 0
-
-/*
- * Coprocessor ownership.
- */
-
-coprocessor_info_t coprocessor_info[] = {
-	{ 0, XTENSA_CPE_CP0_OFFSET },
-	{ 0, XTENSA_CPE_CP1_OFFSET },
-	{ 0, XTENSA_CPE_CP2_OFFSET },
-	{ 0, XTENSA_CPE_CP3_OFFSET },
-	{ 0, XTENSA_CPE_CP4_OFFSET },
-	{ 0, XTENSA_CPE_CP5_OFFSET },
-	{ 0, XTENSA_CPE_CP6_OFFSET },
-	{ 0, XTENSA_CPE_CP7_OFFSET },
-};
-
-#endif
-
 /*
  * Powermanagement idle function, if any is provided by the platform.
  */
@@ -110,12 +90,10 @@ void cpu_idle(void)
 
 void exit_thread(void)
 {
-	release_coprocessors(current);	/* Empty macro if no CPs are defined */
 }
 
 void flush_thread(void)
 {
-	release_coprocessors(current);	/* Empty macro if no CPs are defined */
 }
 
 /*
@@ -183,36 +161,6 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
 
 
 /*
- * Create a kernel thread
- */
-
-int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
-{
-	long retval;
-	__asm__ __volatile__
-		("mov           a5, %4\n\t" /* preserve fn in a5 */
-		 "mov           a6, %3\n\t" /* preserve and setup arg in a6 */
-		 "movi		a2, %1\n\t" /* load __NR_clone for syscall*/
-		 "mov		a3, sp\n\t" /* sp check and sys_clone */
-		 "mov		a4, %5\n\t" /* load flags for syscall */
-		 "syscall\n\t"
-		 "beq		a3, sp, 1f\n\t" /* branch if parent */
-		 "callx4	a5\n\t"     /* call fn */
-		 "movi		a2, %2\n\t" /* load __NR_exit for syscall */
-		 "mov		a3, a6\n\t" /* load fn return value */
-		 "syscall\n"
-		 "1:\n\t"
-		 "mov		%0, a2\n\t" /* parent returns zero */
-		 :"=r" (retval)
-		 :"i" (__NR_clone), "i" (__NR_exit),
-		 "r" (arg), "r" (fn),
-		 "r" (flags | CLONE_VM)
-		 : "a2", "a3", "a4", "a5", "a6" );
-	return retval;
-}
-
-
-/*
  * These bracket the sleeping functions..
  */
 
@@ -275,7 +223,7 @@ void do_copy_regs (xtensa_gregset_t *elfregs, struct pt_regs *regs,
 	 */
 
 	elfregs->pc		= regs->pc;
-	elfregs->ps		= (regs->ps & ~XCHAL_PS_EXCM_MASK);
+	elfregs->ps		= (regs->ps & ~(1 << PS_EXCM_BIT));
 	elfregs->exccause	= regs->exccause;
 	elfregs->excvaddr	= regs->excvaddr;
 	elfregs->windowbase	= regs->windowbase;
@@ -325,7 +273,7 @@ void do_restore_regs (xtensa_gregset_t *elfregs, struct pt_regs *regs,
 	 */
 
 	regs->pc		= elfregs->pc;
-	regs->ps		= (elfregs->ps | XCHAL_PS_EXCM_MASK);
+	regs->ps		= (elfregs->ps | (1 << PS_EXCM_BIT));
 	regs->exccause		= elfregs->exccause;
 	regs->excvaddr		= elfregs->excvaddr;
 	regs->windowbase	= elfregs->windowbase;
@@ -459,16 +407,7 @@ int  do_restore_fpregs (elf_fpregset_t *fpregs, struct pt_regs *regs,
 int
 dump_task_fpu(struct pt_regs *regs, struct task_struct *task, elf_fpregset_t *r)
 {
-/* see asm/coprocessor.h for this magic number 16 */
-#if XTENSA_CP_EXTRA_SIZE > 16
-	do_save_fpregs (r, regs, task);
-
-	/*  For now, bit 16 means some extra state may be present:  */
-// FIXME!! need to track to return more accurate mask
-	return 0x10000 | XCHAL_CP_MASK;
-#else
 	return 0;	/* no coprocessors active on this processor */
-#endif
 }
 
 /*
@@ -483,3 +422,44 @@ int  dump_fpu(struct pt_regs *regs, elf_fpregset_t *r)
 {
 	return dump_task_fpu(regs, current, r);
 }
+
+asmlinkage
+long xtensa_clone(unsigned long clone_flags, unsigned long newsp,
+                  void __user *parent_tid, void *child_tls,
+                  void __user *child_tid, long a5,
+                  struct pt_regs *regs)
+{
+        if (!newsp)
+                newsp = regs->areg[1];
+        return do_fork(clone_flags, newsp, regs, 0, parent_tid, child_tid);
+}
+
+/*
+ *  * xtensa_execve() executes a new program.
+ *   */
+
+asmlinkage
+long xtensa_execve(char __user *name, char __user * __user *argv,
+                   char __user * __user *envp,
+                   long a3, long a4, long a5,
+                   struct pt_regs *regs)
+{
+	long error;
+	char * filename;
+
+	filename = getname(name);
+	error = PTR_ERR(filename);
+	if (IS_ERR(filename))
+		goto out;
+	// FIXME: release coprocessor??
+	error = do_execve(filename, argv, envp, regs);
+	if (error == 0) {
+		task_lock(current);
+		current->ptrace &= ~PT_DTRACE;
+		task_unlock(current);
+	}
+	putname(filename);
+out:
+	return error;
+}
+
diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c
index 9aea23cc0dc..8b6d3d0623b 100644
--- a/arch/xtensa/kernel/ptrace.c
+++ b/arch/xtensa/kernel/ptrace.c
@@ -96,7 +96,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 			/* Note:  PS.EXCM is not set while user task is running;
 			 * its being set in regs is for exception handling
 			 * convenience.  */
-			tmp = (regs->ps & ~XCHAL_PS_EXCM_MASK);
+			tmp = (regs->ps & ~(1 << PS_EXCM_BIT));
 			break;
 		case REG_WB:
 			tmp = regs->windowbase;
@@ -332,12 +332,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 
 void do_syscall_trace(void)
 {
-	if (!test_thread_flag(TIF_SYSCALL_TRACE))
-		return;
-
-	if (!(current->ptrace & PT_PTRACED))
-		return;
-
 	/*
 	 * The 0x80 provides a way for the tracing parent to distinguish
 	 * between a syscall stop and SIGTRAP delivery
@@ -354,3 +348,23 @@ void do_syscall_trace(void)
 		current->exit_code = 0;
 	}
 }
+
+void do_syscall_trace_enter(struct pt_regs *regs)
+{
+	if (test_thread_flag(TIF_SYSCALL_TRACE)
+			&& (current->ptrace & PT_PTRACED))
+		do_syscall_trace();
+
+#if 0
+	if (unlikely(current->audit_context))
+		audit_syscall_entry(current, AUDIT_ARCH_XTENSA..);
+#endif
+}
+
+void do_syscall_trace_leave(struct pt_regs *regs)
+{
+	if ((test_thread_flag(TIF_SYSCALL_TRACE))
+			&& (current->ptrace & PT_PTRACED))
+		do_syscall_trace();
+}
+
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index c99ab72b41b..b6374c09de2 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -42,8 +42,6 @@
 #include <asm/page.h>
 #include <asm/setup.h>
 
-#include <xtensa/config/system.h>
-
 #if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_DUMMY_CONSOLE)
 struct screen_info screen_info = { 0, 24, 0, 0, 0, 80, 0, 0, 0, 24, 1, 16};
 #endif
@@ -336,7 +334,7 @@ c_show(struct seq_file *f, void *slot)
 	/* high-level stuff */
 	seq_printf(f,"processor\t: 0\n"
 		     "vendor_id\t: Tensilica\n"
-		     "model\t\t: Xtensa " XCHAL_HW_RELEASE_NAME "\n"
+		     "model\t\t: Xtensa " XCHAL_HW_VERSION_NAME "\n"
 		     "core ID\t\t: " XCHAL_CORE_ID "\n"
 		     "build ID\t: 0x%x\n"
 		     "byte order\t: %s\n"
@@ -420,25 +418,6 @@ c_show(struct seq_file *f, void *slot)
 		     XCHAL_NUM_TIMERS,
 		     XCHAL_DEBUGLEVEL);
 
-	/* Coprocessors */
-#if XCHAL_HAVE_CP
-	seq_printf(f, "coprocessors\t: %d\n", XCHAL_CP_NUM);
-#else
-	seq_printf(f, "coprocessors\t: none\n");
-#endif
-
-	/* {I,D}{RAM,ROM} and XLMI */
-	seq_printf(f,"inst ROMs\t: %d\n"
-		     "inst RAMs\t: %d\n"
-		     "data ROMs\t: %d\n"
-		     "data RAMs\t: %d\n"
-		     "XLMI ports\t: %d\n",
-		     XCHAL_NUM_IROM,
-		     XCHAL_NUM_IRAM,
-		     XCHAL_NUM_DROM,
-		     XCHAL_NUM_DRAM,
-		     XCHAL_NUM_XLMI);
-
 	/* Cache */
 	seq_printf(f,"icache line size: %d\n"
 		     "icache ways\t: %d\n"
@@ -466,24 +445,6 @@ c_show(struct seq_file *f, void *slot)
 		     XCHAL_DCACHE_WAYS,
 		     XCHAL_DCACHE_SIZE);
 
-	/* MMU */
-	seq_printf(f,"ASID bits\t: %d\n"
-		     "ASID invalid\t: %d\n"
-		     "ASID kernel\t: %d\n"
-		     "rings\t\t: %d\n"
-		     "itlb ways\t: %d\n"
-		     "itlb AR ways\t: %d\n"
-		     "dtlb ways\t: %d\n"
-		     "dtlb AR ways\t: %d\n",
-		     XCHAL_MMU_ASID_BITS,
-		     XCHAL_MMU_ASID_INVALID,
-		     XCHAL_MMU_ASID_KERNEL,
-		     XCHAL_MMU_RINGS,
-		     XCHAL_ITLB_WAYS,
-		     XCHAL_ITLB_ARF_WAYS,
-		     XCHAL_DTLB_WAYS,
-		     XCHAL_DTLB_ARF_WAYS);
-
 	return 0;
 }
 
diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c
index c494f0826fc..c6d9880a4cd 100644
--- a/arch/xtensa/kernel/signal.c
+++ b/arch/xtensa/kernel/signal.c
@@ -12,8 +12,8 @@
  *
  */
 
-#include <xtensa/config/core.h>
-#include <xtensa/hal.h>
+#include <asm/variant/core.h>
+#include <asm/coprocessor.h>
 #include <linux/sched.h>
 #include <linux/mm.h>
 #include <linux/smp.h>
@@ -46,7 +46,7 @@ extern struct task_struct *coproc_owners[];
  * Atomically swap in the new signal mask, and wait for a signal.
  */
 
-int sys_sigsuspend(struct pt_regs *regs)
+int xtensa_sigsuspend(struct pt_regs *regs)
 {
 	old_sigset_t mask = (old_sigset_t) regs->areg[3];
 	sigset_t saveset;
@@ -68,7 +68,7 @@ int sys_sigsuspend(struct pt_regs *regs)
 }
 
 asmlinkage int
-sys_rt_sigsuspend(struct pt_regs *regs)
+xtensa_rt_sigsuspend(struct pt_regs *regs)
 {
 	sigset_t *unewset = (sigset_t *) regs->areg[4];
 	size_t sigsetsize = (size_t) regs->areg[3];
@@ -96,7 +96,7 @@ sys_rt_sigsuspend(struct pt_regs *regs)
 }
 
 asmlinkage int
-sys_sigaction(int sig, const struct old_sigaction *act,
+xtensa_sigaction(int sig, const struct old_sigaction *act,
 	      struct old_sigaction *oact)
 {
 	struct k_sigaction new_ka, old_ka;
@@ -128,7 +128,7 @@ sys_sigaction(int sig, const struct old_sigaction *act,
 }
 
 asmlinkage int
-sys_sigaltstack(struct pt_regs *regs)
+xtensa_sigaltstack(struct pt_regs *regs)
 {
 	const stack_t *uss = (stack_t *) regs->areg[4];
 	stack_t *uoss = (stack_t *) regs->areg[3];
@@ -216,8 +216,8 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext *sc)
 	 * handler, or the user mode value doesn't matter (e.g. PS.OWB).
 	 */
 	err |= __get_user(ps, &sc->sc_ps);
-	regs->ps = (regs->ps & ~XCHAL_PS_CALLINC_MASK)
-		| (ps & XCHAL_PS_CALLINC_MASK);
+	regs->ps = (regs->ps & ~PS_CALLINC_MASK)
+		| (ps & PS_CALLINC_MASK);
 
 	/* Additional corruption checks */
 
@@ -280,7 +280,7 @@ flush_my_cpstate(struct task_struct *tsk)
 static int
 save_cpextra (struct _cpstate *buf)
 {
-#if (XCHAL_EXTRA_SA_SIZE == 0) && (XCHAL_CP_NUM == 0)
+#if XCHAL_CP_NUM == 0
 	return 0;
 #else
 
@@ -350,7 +350,7 @@ setup_sigcontext(struct sigcontext *sc, struct _cpstate *cpstate,
 	return err;
 }
 
-asmlinkage int sys_sigreturn(struct pt_regs *regs)
+asmlinkage int xtensa_sigreturn(struct pt_regs *regs)
 {
 	struct sigframe *frame = (struct sigframe *)regs->areg[1];
 	sigset_t set;
@@ -382,7 +382,7 @@ badframe:
 	return 0;
 }
 
-asmlinkage int sys_rt_sigreturn(struct pt_regs *regs)
+asmlinkage int xtensa_rt_sigreturn(struct pt_regs *regs)
 {
 	struct rt_sigframe *frame = (struct rt_sigframe *)regs->areg[1];
 	sigset_t set;
@@ -497,8 +497,10 @@ gen_return_code(unsigned char *codemem, unsigned int use_rt_sigreturn)
 
 	/* Flush generated code out of the data cache */
 
-	if (err == 0)
-		__flush_invalidate_cache_range((unsigned long)codemem, 6UL);
+	if (err == 0) {
+		__invalidate_icache_range((unsigned long)codemem, 6UL);
+		__flush_invalidate_dcache_range((unsigned long)codemem, 6UL);
+	}
 
 	return err;
 }
diff --git a/arch/xtensa/kernel/syscall.c b/arch/xtensa/kernel/syscall.c
new file mode 100644
index 00000000000..fe3834bc1db
--- /dev/null
+++ b/arch/xtensa/kernel/syscall.c
@@ -0,0 +1,95 @@
+/*
+ * arch/xtensa/kernel/syscall.c
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2001 - 2005 Tensilica Inc.
+ * Copyright (C) 2000 Silicon Graphics, Inc.
+ * Copyright (C) 1995 - 2000 by Ralf Baechle
+ *
+ * Joe Taylor <joe@tensilica.com, joetylr@yahoo.com>
+ * Marc Gauthier <marc@tensilica.com, marc@alumni.uwaterloo.ca>
+ * Chris Zankel <chris@zankel.net>
+ * Kevin Chea
+ *
+ */
+#include <asm/uaccess.h>
+#include <asm/syscall.h>
+#include <asm/unistd.h>
+#include <linux/linkage.h>
+#include <linux/stringify.h>
+#include <linux/errno.h>
+#include <linux/syscalls.h>
+#include <linux/file.h>
+#include <linux/fs.h>
+#include <linux/mman.h>
+#include <linux/shm.h>
+
+typedef void (*syscall_t)(void);
+
+syscall_t sys_call_table[__NR_syscall_count] /* FIXME __cacheline_aligned */= {
+	[0 ... __NR_syscall_count - 1] = (syscall_t)&sys_ni_syscall,
+
+#undef __SYSCALL
+#define __SYSCALL(nr,symbol,nargs) [ nr ] = (syscall_t)symbol,
+#undef _XTENSA_UNISTD_H
+#undef  __KERNEL_SYSCALLS__
+#include <asm/unistd.h>
+};
+
+/*
+ * xtensa_pipe() is the normal C calling standard for creating a pipe. It's not
+ * the way unix traditional does this, though.
+ */
+
+asmlinkage long xtensa_pipe(int __user *userfds)
+{
+	int fd[2];
+	int error;
+
+	error = do_pipe(fd);
+	if (!error) {
+		if (copy_to_user(userfds, fd, 2 * sizeof(int)))
+			error = -EFAULT;
+	}
+	return error;
+}
+
+
+asmlinkage long xtensa_mmap2(unsigned long addr, unsigned long len,
+   			     unsigned long prot, unsigned long flags,
+			     unsigned long fd, unsigned long pgoff)
+{
+	int error = -EBADF;
+	struct file * file = NULL;
+
+	flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
+	if (!(flags & MAP_ANONYMOUS)) {
+		file = fget(fd);
+		if (!file)
+			goto out;
+	}
+
+	down_write(&current->mm->mmap_sem);
+	error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
+	up_write(&current->mm->mmap_sem);
+
+	if (file)
+		fput(file);
+out:
+	return error;
+}
+
+asmlinkage long xtensa_shmat(int shmid, char __user *shmaddr, int shmflg)
+{
+	unsigned long ret;
+	long err;
+
+	err = do_shmat(shmid, shmaddr, shmflg, &ret);
+	if (err)
+		return err;
+	return (long)ret;
+}
+
diff --git a/arch/xtensa/kernel/syscalls.c b/arch/xtensa/kernel/syscalls.c
deleted file mode 100644
index f49cb239e60..00000000000
--- a/arch/xtensa/kernel/syscalls.c
+++ /dev/null
@@ -1,288 +0,0 @@
-/*
- * arch/xtensa/kernel/syscalls.c
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2001 - 2005 Tensilica Inc.
- * Copyright (C) 2000 Silicon Graphics, Inc.
- * Copyright (C) 1995 - 2000 by Ralf Baechle
- *
- * Joe Taylor <joe@tensilica.com, joetylr@yahoo.com>
- * Marc Gauthier <marc@tensilica.com, marc@alumni.uwaterloo.ca>
- * Chris Zankel <chris@zankel.net>
- * Kevin Chea
- *
- */
-
-#define DEBUG	0
-
-#include <linux/linkage.h>
-#include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/smp_lock.h>
-#include <linux/mman.h>
-#include <linux/sched.h>
-#include <linux/file.h>
-#include <linux/slab.h>
-#include <linux/utsname.h>
-#include <linux/unistd.h>
-#include <linux/stringify.h>
-#include <linux/syscalls.h>
-#include <linux/sem.h>
-#include <linux/msg.h>
-#include <linux/shm.h>
-#include <linux/errno.h>
-#include <asm/ptrace.h>
-#include <asm/signal.h>
-#include <asm/uaccess.h>
-#include <asm/hardirq.h>
-#include <asm/mman.h>
-#include <asm/shmparam.h>
-#include <asm/page.h>
-
-extern void do_syscall_trace(void);
-typedef int (*syscall_t)(void *a0,...);
-extern syscall_t sys_call_table[];
-extern unsigned char sys_narg_table[];
-
-/*
- * sys_pipe() is the normal C calling standard for creating a pipe. It's not
- * the way unix traditional does this, though.
- */
-
-int sys_pipe(int __user *userfds)
-{
-	int fd[2];
-	int error;
-
-	error = do_pipe(fd);
-	if (!error) {
-		if (copy_to_user(userfds, fd, 2 * sizeof(int)))
-			error = -EFAULT;
-	}
-	return error;
-}
-
-/*
- * Common code for old and new mmaps.
- */
-long sys_mmap(unsigned long addr, unsigned long len, unsigned long prot,
-	      unsigned long flags, unsigned long fd, unsigned long pgoff)
-{
-	int error = -EBADF;
-	struct file * file = NULL;
-
-	flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
-	if (!(flags & MAP_ANONYMOUS)) {
-		file = fget(fd);
-		if (!file)
-			goto out;
-	}
-
-	down_write(&current->mm->mmap_sem);
-	error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
-	up_write(&current->mm->mmap_sem);
-
-	if (file)
-		fput(file);
-out:
-	return error;
-}
-
-int sys_clone(struct pt_regs *regs)
-{
-	unsigned long clone_flags;
-	unsigned long newsp;
-	int __user *parent_tidptr, *child_tidptr;
-	clone_flags = regs->areg[4];
-	newsp = regs->areg[3];
-	parent_tidptr = (int __user *)regs->areg[5];
-	child_tidptr = (int __user *)regs->areg[6];
-	if (!newsp)
-		newsp = regs->areg[1];
-	return do_fork(clone_flags,newsp,regs,0,parent_tidptr,child_tidptr);
-}
-
-/*
- * sys_execve() executes a new program.
- */
-
-int sys_execve(struct pt_regs *regs)
-{
-	int error;
-	char * filename;
-
-	filename = getname((char *) (long)regs->areg[5]);
-	error = PTR_ERR(filename);
-	if (IS_ERR(filename))
-		goto out;
-	error = do_execve(filename, (char **) (long)regs->areg[3],
-	                  (char **) (long)regs->areg[4], regs);
-	putname(filename);
-
-out:
-	return error;
-}
-
-int sys_uname(struct old_utsname * name)
-{
-	if (name && !copy_to_user(name, utsname(), sizeof (*name)))
-		return 0;
-	return -EFAULT;
-}
-
-/*
- * Build the string table for the builtin "poor man's strace".
- */
-
-#if DEBUG
-#define SYSCALL(fun, narg) #fun,
-static char *sfnames[] = {
-#include "syscalls.h"
-};
-#undef SYS
-#endif
-
-void system_call (struct pt_regs *regs)
-{
-	syscall_t syscall;
-	unsigned long parm0, parm1, parm2, parm3, parm4, parm5;
-	int nargs, res;
-	unsigned int syscallnr;
-	int ps;
-
-#if DEBUG
-	int i;
-	unsigned long parms[6];
-	char *sysname;
-#endif
-
-	regs->syscall = regs->areg[2];
-
-	do_syscall_trace();
-
-	/* Have to load after syscall_trace because strace
-	 * sometimes changes regs->syscall.
-	 */
-	syscallnr = regs->syscall;
-
-	parm0 = parm1 = parm2 = parm3 = parm4 = parm5 = 0;
-
-	/* Restore interrupt level to syscall invoker's.
-	 * If this were in assembly, we wouldn't disable
-	 * interrupts in the first place:
-	 */
-	local_save_flags (ps);
-	local_irq_restore((ps & ~XCHAL_PS_INTLEVEL_MASK) |
-			  (regs->ps & XCHAL_PS_INTLEVEL_MASK) );
-
-	if (syscallnr > __NR_Linux_syscalls) {
-		regs->areg[2] = -ENOSYS;
-		return;
-	}
-
-	syscall = sys_call_table[syscallnr];
-	nargs = sys_narg_table[syscallnr];
-
-	if (syscall == NULL) {
-		regs->areg[2] = -ENOSYS;
-		return;
-	}
-
-	/* There shouldn't be more than six arguments in the table! */
-
-	if (nargs > 6)
-		panic("Internal error - too many syscall arguments (%d)!\n",
-		      nargs);
-
-	/* Linux takes system-call arguments in registers.  The ABI
-         * and Xtensa software conventions require the system-call
-         * number in a2.  If an argument exists in a2, we move it to
-         * the next available register.  Note that for improved
-         * efficiency, we do NOT shift all parameters down one
-         * register to maintain the original order.
-	 *
-         * At best case (zero arguments), we just write the syscall
-         * number to a2.  At worst case (1 to 6 arguments), we move
-         * the argument in a2 to the next available register, then
-         * write the syscall number to a2.
-	 *
-         * For clarity, the following truth table enumerates all
-         * possibilities.
-	 *
-         * arguments	syscall number	arg0, arg1, arg2, arg3, arg4, arg5
-         * ---------	--------------	----------------------------------
-	 *	0	      a2
-	 *	1	      a2	a3
-	 *	2	      a2	a4,   a3
-	 *	3	      a2	a5,   a3,   a4
-	 *	4	      a2	a6,   a3,   a4,   a5
-	 *	5	      a2	a7,   a3,   a4,   a5,   a6
-	 *	6	      a2	a8,   a3,   a4,   a5,   a6,   a7
-	 */
-	if (nargs) {
-		parm0 = regs->areg[nargs+2];
-		parm1 = regs->areg[3];
-		parm2 = regs->areg[4];
-		parm3 = regs->areg[5];
-		parm4 = regs->areg[6];
-		parm5 = regs->areg[7];
-	} else /* nargs == 0 */
-		parm0 = (unsigned long) regs;
-
-#if DEBUG
-	parms[0] = parm0;
-	parms[1] = parm1;
-	parms[2] = parm2;
-	parms[3] = parm3;
-	parms[4] = parm4;
-	parms[5] = parm5;
-
-	sysname = sfnames[syscallnr];
-	if (strncmp(sysname, "sys_", 4) == 0)
-		sysname = sysname + 4;
-
-	printk("\017SYSCALL:I:%x:%d:%s  %s(", regs->pc, current->pid,
-	       current->comm, sysname);
-	for (i = 0; i < nargs; i++)
-		printk((i>0) ? ", %#lx" : "%#lx", parms[i]);
-	printk(")\n");
-#endif
-
-	res = syscall((void *)parm0, parm1, parm2, parm3, parm4, parm5);
-
-#if DEBUG
-	printk("\017SYSCALL:O:%d:%s  %s(",current->pid, current->comm, sysname);
-	for (i = 0; i < nargs; i++)
-		printk((i>0) ? ", %#lx" : "%#lx", parms[i]);
-	if (res < 4096)
-		printk(") = %d\n", res);
-	else
-		printk(") = %#x\n", res);
-#endif /* DEBUG */
-
-	regs->areg[2] = res;
-	do_syscall_trace();
-}
-
-/*
- * Do a system call from kernel instead of calling sys_execve so we
- * end up with proper pt_regs.
- */
-int kernel_execve(const char *filename, char *const argv[], char *const envp[])
-{
-	long __res;
-	asm volatile (
-		"  mov   a5, %2 \n"
-		"  mov   a4, %4 \n"
-		"  mov   a3, %3 \n"
-		"  movi  a2, %1 \n"
-		"  syscall      \n"
-		"  mov   %0, a2 \n"
-		: "=a" (__res)
-		: "i" (__NR_execve), "a" (filename), "a" (argv), "a" (envp)
-		: "a2", "a3", "a4", "a5");
-	return __res;
-}
diff --git a/arch/xtensa/kernel/syscalls.h b/arch/xtensa/kernel/syscalls.h
deleted file mode 100644
index 216c10a3150..00000000000
--- a/arch/xtensa/kernel/syscalls.h
+++ /dev/null
@@ -1,247 +0,0 @@
-/*
- * arch/xtensa/kernel/syscalls.h
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1995, 1996, 1997, 1998 by Ralf Baechle
- * Copyright (C) 2001 - 2005 Tensilica Inc.
- *
- * Changes by Joe Taylor <joe@tensilica.com>
- */
-
-/*
- * This file is being included twice - once to build a list of all
- * syscalls and once to build a table of how many arguments each syscall
- * accepts.  Syscalls that receive a pointer to the saved registers are
- * marked as having zero arguments.
- *
- * The binary compatibility calls are in a separate list.
- *
- * Entry '0' used to be system_call.  It's removed to disable indirect
- * system calls for now so user tasks can't recurse.  See mips'
- * sys_syscall for a comparable example.
- */
-
-SYSCALL(0, 0)		                /* 00 */
-SYSCALL(sys_exit, 1)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_read, 3)
-SYSCALL(sys_write, 3)
-SYSCALL(sys_open, 3)			/* 05 */
-SYSCALL(sys_close, 1)
-SYSCALL(sys_ni_syscall, 3)
-SYSCALL(sys_creat, 2)
-SYSCALL(sys_link, 2)
-SYSCALL(sys_unlink, 1)			/* 10 */
-SYSCALL(sys_execve, 0)
-SYSCALL(sys_chdir, 1)
-SYSCALL(sys_ni_syscall, 1)
-SYSCALL(sys_mknod, 3)
-SYSCALL(sys_chmod, 2)			/* 15 */
-SYSCALL(sys_lchown, 3)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_newstat, 2)
-SYSCALL(sys_lseek, 3)
-SYSCALL(sys_getpid, 0)			/* 20 */
-SYSCALL(sys_mount, 5)
-SYSCALL(sys_ni_syscall, 1)
-SYSCALL(sys_setuid, 1)
-SYSCALL(sys_getuid, 0)
-SYSCALL(sys_ni_syscall, 1)		/* 25 */
-SYSCALL(sys_ptrace, 4)
-SYSCALL(sys_ni_syscall, 1)
-SYSCALL(sys_newfstat, 2)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_utime, 2)			/* 30 */
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_access, 2)
-SYSCALL(sys_ni_syscall, 1)
-SYSCALL(sys_ni_syscall, 0)		/* 35 */
-SYSCALL(sys_sync, 0)
-SYSCALL(sys_kill, 2)
-SYSCALL(sys_rename, 2)
-SYSCALL(sys_mkdir, 2)
-SYSCALL(sys_rmdir, 1)			/* 40 */
-SYSCALL(sys_dup, 1)
-SYSCALL(sys_pipe, 1)
-SYSCALL(sys_times, 1)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_brk, 1)			/* 45 */
-SYSCALL(sys_setgid, 1)
-SYSCALL(sys_getgid, 0)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_geteuid, 0)
-SYSCALL(sys_getegid, 0)			/* 50 */
-SYSCALL(sys_acct, 1)
-SYSCALL(sys_umount, 2)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_ioctl, 3)
-SYSCALL(sys_fcntl, 3)			/* 55 */
-SYSCALL(sys_ni_syscall, 2)
-SYSCALL(sys_setpgid, 2)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_umask, 1)			/* 60 */
-SYSCALL(sys_chroot, 1)
-SYSCALL(sys_ustat, 2)
-SYSCALL(sys_dup2, 2)
-SYSCALL(sys_getppid, 0)
-SYSCALL(sys_ni_syscall, 0)		/* 65 */
-SYSCALL(sys_setsid, 0)
-SYSCALL(sys_sigaction, 3)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_ni_syscall, 1)
-SYSCALL(sys_setreuid, 2)		/* 70 */
-SYSCALL(sys_setregid, 2)
-SYSCALL(sys_sigsuspend, 0)
-SYSCALL(sys_ni_syscall, 1)
-SYSCALL(sys_sethostname, 2)
-SYSCALL(sys_setrlimit, 2)		/* 75 */
-SYSCALL(sys_getrlimit, 2)
-SYSCALL(sys_getrusage, 2)
-SYSCALL(sys_gettimeofday, 2)
-SYSCALL(sys_settimeofday, 2)
-SYSCALL(sys_getgroups, 2)		/* 80 */
-SYSCALL(sys_setgroups, 2)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_symlink, 2)
-SYSCALL(sys_newlstat, 2)
-SYSCALL(sys_readlink, 3)		/* 85 */
-SYSCALL(sys_uselib, 1)
-SYSCALL(sys_swapon, 2)
-SYSCALL(sys_reboot, 3)
-SYSCALL(sys_ni_syscall, 3)
-SYSCALL(sys_ni_syscall, 6)		/* 90 */
-SYSCALL(sys_munmap, 2)
-SYSCALL(sys_truncate, 2)
-SYSCALL(sys_ftruncate, 2)
-SYSCALL(sys_fchmod, 2)
-SYSCALL(sys_fchown, 3)			/* 95 */
-SYSCALL(sys_getpriority, 2)
-SYSCALL(sys_setpriority, 3)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_statfs, 2)
-SYSCALL(sys_fstatfs, 2)			/* 100 */
-SYSCALL(sys_ni_syscall, 3)
-SYSCALL(sys_ni_syscall, 2)
-SYSCALL(sys_syslog, 3)
-SYSCALL(sys_setitimer, 3)
-SYSCALL(sys_getitimer, 2)		/* 105 */
-SYSCALL(sys_newstat, 2)
-SYSCALL(sys_newlstat, 2)
-SYSCALL(sys_newfstat, 2)
-SYSCALL(sys_uname, 1)
-SYSCALL(sys_ni_syscall, 0)		/* 110 */
-SYSCALL(sys_vhangup, 0)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_wait4, 4)
-SYSCALL(sys_swapoff, 1)			/* 115 */
-SYSCALL(sys_sysinfo, 1)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_fsync, 1)
-SYSCALL(sys_sigreturn, 0)
-SYSCALL(sys_clone, 0)			/* 120 */
-SYSCALL(sys_setdomainname, 2)
-SYSCALL(sys_newuname, 1)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_adjtimex, 1)
-SYSCALL(sys_mprotect, 3)		/* 125 */
-SYSCALL(sys_ni_syscall, 3)
-SYSCALL(sys_ni_syscall, 2)
-SYSCALL(sys_init_module, 2)
-SYSCALL(sys_delete_module, 1)
-SYSCALL(sys_ni_syscall, 1)		/* 130 */
-SYSCALL(sys_quotactl, 0)
-SYSCALL(sys_getpgid, 1)
-SYSCALL(sys_fchdir, 1)
-SYSCALL(sys_bdflush, 2)
-SYSCALL(sys_sysfs, 3)			/* 135 */
-SYSCALL(sys_personality, 1)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_setfsuid, 1)
-SYSCALL(sys_setfsgid, 1)
-SYSCALL(sys_llseek, 5)			/* 140 */
-SYSCALL(sys_getdents, 3)
-SYSCALL(sys_select, 5)
-SYSCALL(sys_flock, 2)
-SYSCALL(sys_msync, 3)
-SYSCALL(sys_readv, 3)			/* 145 */
-SYSCALL(sys_writev, 3)
-SYSCALL(sys_ni_syscall, 3)
-SYSCALL(sys_ni_syscall, 3)
-SYSCALL(sys_ni_syscall, 4)		/* handled in fast syscall handler. */
-SYSCALL(sys_ni_syscall, 0)		/* 150 */
-SYSCALL(sys_getsid, 1)
-SYSCALL(sys_fdatasync, 1)
-SYSCALL(sys_sysctl, 1)
-SYSCALL(sys_mlock, 2)
-SYSCALL(sys_munlock, 2)			/* 155 */
-SYSCALL(sys_mlockall, 1)
-SYSCALL(sys_munlockall, 0)
-SYSCALL(sys_sched_setparam,2)
-SYSCALL(sys_sched_getparam,2)
-SYSCALL(sys_sched_setscheduler,3)	/* 160 */
-SYSCALL(sys_sched_getscheduler,1)
-SYSCALL(sys_sched_yield,0)
-SYSCALL(sys_sched_get_priority_max,1)
-SYSCALL(sys_sched_get_priority_min,1)
-SYSCALL(sys_sched_rr_get_interval,2)	/* 165 */
-SYSCALL(sys_nanosleep,2)
-SYSCALL(sys_mremap,4)
-SYSCALL(sys_accept, 3)
-SYSCALL(sys_bind, 3)
-SYSCALL(sys_connect, 3)			/* 170 */
-SYSCALL(sys_getpeername, 3)
-SYSCALL(sys_getsockname, 3)
-SYSCALL(sys_getsockopt, 5)
-SYSCALL(sys_listen, 2)
-SYSCALL(sys_recv, 4)			/* 175 */
-SYSCALL(sys_recvfrom, 6)
-SYSCALL(sys_recvmsg, 3)
-SYSCALL(sys_send, 4)
-SYSCALL(sys_sendmsg, 3)
-SYSCALL(sys_sendto, 6)			/* 180 */
-SYSCALL(sys_setsockopt, 5)
-SYSCALL(sys_shutdown, 2)
-SYSCALL(sys_socket, 3)
-SYSCALL(sys_socketpair, 4)
-SYSCALL(sys_setresuid, 3)		/* 185 */
-SYSCALL(sys_getresuid, 3)
-SYSCALL(sys_ni_syscall, 5)
-SYSCALL(sys_poll, 3)
-SYSCALL(sys_nfsservctl, 3)
-SYSCALL(sys_setresgid, 3)		/* 190 */
-SYSCALL(sys_getresgid, 3)
-SYSCALL(sys_prctl, 5)
-SYSCALL(sys_rt_sigreturn, 0)
-SYSCALL(sys_rt_sigaction, 4)
-SYSCALL(sys_rt_sigprocmask, 4)		/* 195 */
-SYSCALL(sys_rt_sigpending, 2)
-SYSCALL(sys_rt_sigtimedwait, 4)
-SYSCALL(sys_rt_sigqueueinfo, 3)
-SYSCALL(sys_rt_sigsuspend, 0)
-SYSCALL(sys_pread64, 5)			/* 200 */
-SYSCALL(sys_pwrite64, 5)
-SYSCALL(sys_chown, 3)
-SYSCALL(sys_getcwd, 2)
-SYSCALL(sys_capget, 2)
-SYSCALL(sys_capset, 2)			/* 205 */
-SYSCALL(sys_sigaltstack, 0)
-SYSCALL(sys_sendfile, 4)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_mmap, 6)			/* 210 */
-SYSCALL(sys_truncate64, 2)
-SYSCALL(sys_ftruncate64, 2)
-SYSCALL(sys_stat64, 2)
-SYSCALL(sys_lstat64, 2)
-SYSCALL(sys_fstat64, 2)			/* 215 */
-SYSCALL(sys_pivot_root, 2)
-SYSCALL(sys_mincore, 3)
-SYSCALL(sys_madvise, 3)
-SYSCALL(sys_getdents64, 3)
-SYSCALL(sys_ni_syscall, 0)		/* 220 */
diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c
index 37347e36998..a350431363a 100644
--- a/arch/xtensa/kernel/time.c
+++ b/arch/xtensa/kernel/time.c
@@ -47,7 +47,7 @@ unsigned long long sched_clock(void)
 	return (unsigned long long)jiffies * (1000000000 / HZ);
 }
 
-static irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+static irqreturn_t timer_interrupt(int irq, void *dev_id);
 static struct irqaction timer_irqaction = {
 	.handler =	timer_interrupt,
 	.flags =	IRQF_DISABLED,
@@ -150,7 +150,7 @@ EXPORT_SYMBOL(do_gettimeofday);
  * The timer interrupt is called HZ times per second.
  */
 
-irqreturn_t timer_interrupt (int irq, void *dev_id, struct pt_regs *regs)
+irqreturn_t timer_interrupt (int irq, void *dev_id)
 {
 
 	unsigned long next;
@@ -160,9 +160,9 @@ irqreturn_t timer_interrupt (int irq, void *dev_id, struct pt_regs *regs)
 again:
 	while ((signed long)(get_ccount() - next) > 0) {
 
-		profile_tick(CPU_PROFILING, regs);
+		profile_tick(CPU_PROFILING);
 #ifndef CONFIG_SMP
-		update_process_times(user_mode(regs));
+		update_process_times(user_mode(get_irq_regs()));
 #endif
 
 		write_seqlock(&xtime_lock);
diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c
index ce077d6bf3a..693ab268485 100644
--- a/arch/xtensa/kernel/traps.c
+++ b/arch/xtensa/kernel/traps.c
@@ -75,7 +75,7 @@ extern void system_call (struct pt_regs*);
 #define USER		0x02
 
 #define COPROCESSOR(x)							\
-{ XCHAL_EXCCAUSE_COPROCESSOR ## x ## _DISABLED, USER, fast_coprocessor }
+{ EXCCAUSE_COPROCESSOR ## x ## _DISABLED, USER, fast_coprocessor }
 
 typedef struct {
 	int cause;
@@ -85,38 +85,38 @@ typedef struct {
 
 dispatch_init_table_t __init dispatch_init_table[] = {
 
-{ XCHAL_EXCCAUSE_ILLEGAL_INSTRUCTION,	0,	   do_illegal_instruction},
-{ XCHAL_EXCCAUSE_SYSTEM_CALL,		KRNL,	   fast_syscall_kernel },
-{ XCHAL_EXCCAUSE_SYSTEM_CALL,		USER,	   fast_syscall_user },
-{ XCHAL_EXCCAUSE_SYSTEM_CALL,		0,	   system_call },
-/* XCHAL_EXCCAUSE_INSTRUCTION_FETCH unhandled */
-/* XCHAL_EXCCAUSE_LOAD_STORE_ERROR unhandled*/
-{ XCHAL_EXCCAUSE_LEVEL1_INTERRUPT,	0,	   do_interrupt },
-{ XCHAL_EXCCAUSE_ALLOCA,		USER|KRNL, fast_alloca },
-/* XCHAL_EXCCAUSE_INTEGER_DIVIDE_BY_ZERO unhandled */
-/* XCHAL_EXCCAUSE_PRIVILEGED unhandled */
+{ EXCCAUSE_ILLEGAL_INSTRUCTION,	0,	   do_illegal_instruction},
+{ EXCCAUSE_SYSTEM_CALL,		KRNL,	   fast_syscall_kernel },
+{ EXCCAUSE_SYSTEM_CALL,		USER,	   fast_syscall_user },
+{ EXCCAUSE_SYSTEM_CALL,		0,	   system_call },
+/* EXCCAUSE_INSTRUCTION_FETCH unhandled */
+/* EXCCAUSE_LOAD_STORE_ERROR unhandled*/
+{ EXCCAUSE_LEVEL1_INTERRUPT,	0,	   do_interrupt },
+{ EXCCAUSE_ALLOCA,		USER|KRNL, fast_alloca },
+/* EXCCAUSE_INTEGER_DIVIDE_BY_ZERO unhandled */
+/* EXCCAUSE_PRIVILEGED unhandled */
 #if XCHAL_UNALIGNED_LOAD_EXCEPTION || XCHAL_UNALIGNED_STORE_EXCEPTION
 #ifdef CONFIG_UNALIGNED_USER
-{ XCHAL_EXCCAUSE_UNALIGNED,		USER,	   fast_unaligned },
+{ EXCCAUSE_UNALIGNED,		USER,	   fast_unaligned },
 #else
-{ XCHAL_EXCCAUSE_UNALIGNED,		0,	   do_unaligned_user },
+{ EXCCAUSE_UNALIGNED,		0,	   do_unaligned_user },
 #endif
-{ XCHAL_EXCCAUSE_UNALIGNED,		KRNL,	   fast_unaligned },
+{ EXCCAUSE_UNALIGNED,		KRNL,	   fast_unaligned },
 #endif
-{ XCHAL_EXCCAUSE_ITLB_MISS,		0,	   do_page_fault },
-{ XCHAL_EXCCAUSE_ITLB_MISS,		USER|KRNL, fast_second_level_miss},
-{ XCHAL_EXCCAUSE_ITLB_MULTIHIT,		0,	   do_multihit },
-{ XCHAL_EXCCAUSE_ITLB_PRIVILEGE,	0,	   do_page_fault },
-/* XCHAL_EXCCAUSE_SIZE_RESTRICTION unhandled */
-{ XCHAL_EXCCAUSE_FETCH_CACHE_ATTRIBUTE,	0,	   do_page_fault },
-{ XCHAL_EXCCAUSE_DTLB_MISS,		USER|KRNL, fast_second_level_miss},
-{ XCHAL_EXCCAUSE_DTLB_MISS,		0,	   do_page_fault },
-{ XCHAL_EXCCAUSE_DTLB_MULTIHIT,		0,	   do_multihit },
-{ XCHAL_EXCCAUSE_DTLB_PRIVILEGE,	0,	   do_page_fault },
-/* XCHAL_EXCCAUSE_DTLB_SIZE_RESTRICTION unhandled */
-{ XCHAL_EXCCAUSE_STORE_CACHE_ATTRIBUTE,	USER|KRNL, fast_store_prohibited },
-{ XCHAL_EXCCAUSE_STORE_CACHE_ATTRIBUTE,	0,	   do_page_fault },
-{ XCHAL_EXCCAUSE_LOAD_CACHE_ATTRIBUTE,	0,	   do_page_fault },
+{ EXCCAUSE_ITLB_MISS,		0,	   do_page_fault },
+{ EXCCAUSE_ITLB_MISS,		USER|KRNL, fast_second_level_miss},
+{ EXCCAUSE_ITLB_MULTIHIT,		0,	   do_multihit },
+{ EXCCAUSE_ITLB_PRIVILEGE,	0,	   do_page_fault },
+/* EXCCAUSE_SIZE_RESTRICTION unhandled */
+{ EXCCAUSE_FETCH_CACHE_ATTRIBUTE,	0,	   do_page_fault },
+{ EXCCAUSE_DTLB_MISS,		USER|KRNL, fast_second_level_miss},
+{ EXCCAUSE_DTLB_MISS,		0,	   do_page_fault },
+{ EXCCAUSE_DTLB_MULTIHIT,		0,	   do_multihit },
+{ EXCCAUSE_DTLB_PRIVILEGE,	0,	   do_page_fault },
+/* EXCCAUSE_DTLB_SIZE_RESTRICTION unhandled */
+{ EXCCAUSE_STORE_CACHE_ATTRIBUTE,	USER|KRNL, fast_store_prohibited },
+{ EXCCAUSE_STORE_CACHE_ATTRIBUTE,	0,	   do_page_fault },
+{ EXCCAUSE_LOAD_CACHE_ATTRIBUTE,	0,	   do_page_fault },
 /* XCCHAL_EXCCAUSE_FLOATING_POINT unhandled */
 #if (XCHAL_CP_MASK & 1)
 COPROCESSOR(0),
diff --git a/arch/xtensa/kernel/vectors.S b/arch/xtensa/kernel/vectors.S
index 0e74397bfa2..eb2d7bb69ee 100644
--- a/arch/xtensa/kernel/vectors.S
+++ b/arch/xtensa/kernel/vectors.S
@@ -53,6 +53,8 @@
 #include <asm/thread_info.h>
 #include <asm/processor.h>
 
+#define WINDOW_VECTORS_SIZE   0x180
+
 
 /*
  * User exception vector. (Exceptions with PS.UM == 1, PS.EXCM == 0)
@@ -210,7 +212,7 @@ ENTRY(_DoubleExceptionVector)
 	/* Check for kernel double exception (usually fatal). */
 
 	rsr	a3, PS
-	_bbci.l	a3, PS_UM_SHIFT, .Lksp
+	_bbci.l	a3, PS_UM_BIT, .Lksp
 
 	/* Check if we are currently handling a window exception. */
 	/* Note: We don't need to indicate that we enter a critical section. */
@@ -219,7 +221,7 @@ ENTRY(_DoubleExceptionVector)
 
 	movi	a3, XCHAL_WINDOW_VECTORS_VADDR
 	_bltu	a0, a3, .Lfixup
-	addi	a3, a3, XSHAL_WINDOW_VECTORS_SIZE
+	addi	a3, a3, WINDOW_VECTORS_SIZE
 	_bgeu	a0, a3, .Lfixup
 
 	/* Window overflow/underflow exception. Get stack pointer. */
@@ -245,7 +247,7 @@ ENTRY(_DoubleExceptionVector)
 
 	wsr	a2, DEPC		# save stack pointer temporarily
 	rsr	a0, PS
-	extui	a0, a0, XCHAL_PS_OWB_SHIFT, XCHAL_PS_OWB_BITS
+	extui	a0, a0, PS_OWB_SHIFT, 4
 	wsr	a0, WINDOWBASE
 	rsync
 
@@ -312,8 +314,8 @@ ENTRY(_DoubleExceptionVector)
 .Lksp:	/* a0: a0, a1: a1, a2: a2, a3: trashed, depc: depc, excsave: a3 */
 
 	rsr	a3, EXCCAUSE
-	beqi	a3, XCHAL_EXCCAUSE_ITLB_MISS, 1f
-	addi	a3, a3, -XCHAL_EXCCAUSE_DTLB_MISS
+	beqi	a3, EXCCAUSE_ITLB_MISS, 1f
+	addi	a3, a3, -EXCCAUSE_DTLB_MISS
 	bnez	a3, .Lunrecoverable
 1:	movi	a3, fast_second_level_miss_double_kernel
 	jx	a3
diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S
index cfe75f52872..a36c104c3a5 100644
--- a/arch/xtensa/kernel/vmlinux.lds.S
+++ b/arch/xtensa/kernel/vmlinux.lds.S
@@ -16,19 +16,17 @@
 
 #include <asm-generic/vmlinux.lds.h>
 
-#define _NOCLANGUAGE
-#include <xtensa/config/core.h>
-#include <xtensa/config/system.h>
+#include <asm/variant/core.h>
 OUTPUT_ARCH(xtensa)
 ENTRY(_start)
 
-#if XCHAL_MEMORY_ORDER == XTHAL_BIGENDIAN
+#ifdef __XTENSA_EB__
 jiffies = jiffies_64 + 4;
 #else
 jiffies = jiffies_64;
 #endif
 
-#define KERNELOFFSET 0x1000
+#define KERNELOFFSET 0xd0001000
 
 /* Note: In the following macros, it would be nice to specify only the
    vector name and section kind and construct "sym" and "section" using
@@ -75,7 +73,7 @@ jiffies = jiffies_64;
 
 SECTIONS
 {
-  . = XCHAL_KSEG_CACHED_VADDR + KERNELOFFSET;
+  . = KERNELOFFSET;
   /* .text section */
 
   _text = .;
@@ -159,7 +157,7 @@ SECTIONS
 
   /* Initialization code and data: */
 
-  . = ALIGN(1<<XCHAL_MMU_MIN_PTE_PAGE_SIZE);
+  . = ALIGN(1 << 12);
   __init_begin = .;
   .init.text : {
   	_sinittext = .;
@@ -223,32 +221,32 @@ SECTIONS
 		  .dummy)
   SECTION_VECTOR (_DebugInterruptVector_literal,
 		  .DebugInterruptVector.literal,
-		  XCHAL_INTLEVEL_VECTOR_VADDR(XCHAL_DEBUGLEVEL) - 4,
+		  XCHAL_DEBUG_VECTOR_VADDR - 4,
 		  SIZEOF(.WindowVectors.text),
 		  .WindowVectors.text)
   SECTION_VECTOR (_DebugInterruptVector_text,
 		  .DebugInterruptVector.text,
-		  XCHAL_INTLEVEL_VECTOR_VADDR(XCHAL_DEBUGLEVEL),
+		  XCHAL_DEBUG_VECTOR_VADDR,
 		  4,
 		  .DebugInterruptVector.literal)
   SECTION_VECTOR (_KernelExceptionVector_literal,
 		  .KernelExceptionVector.literal,
-		  XCHAL_KERNELEXC_VECTOR_VADDR - 4,
+		  XCHAL_KERNEL_VECTOR_VADDR - 4,
 		  SIZEOF(.DebugInterruptVector.text),
 		  .DebugInterruptVector.text)
   SECTION_VECTOR (_KernelExceptionVector_text,
 		  .KernelExceptionVector.text,
-		  XCHAL_KERNELEXC_VECTOR_VADDR,
+		  XCHAL_KERNEL_VECTOR_VADDR,
 		  4,
 		  .KernelExceptionVector.literal)
   SECTION_VECTOR (_UserExceptionVector_literal,
 		  .UserExceptionVector.literal,
-		  XCHAL_USEREXC_VECTOR_VADDR - 4,
+		  XCHAL_USER_VECTOR_VADDR - 4,
 		  SIZEOF(.KernelExceptionVector.text),
 		  .KernelExceptionVector.text)
   SECTION_VECTOR (_UserExceptionVector_text,
 		  .UserExceptionVector.text,
-		  XCHAL_USEREXC_VECTOR_VADDR,
+		  XCHAL_USER_VECTOR_VADDR,
 		  4,
 		  .UserExceptionVector.literal)
   SECTION_VECTOR (_DoubleExceptionVector_literal,
@@ -263,7 +261,7 @@ SECTIONS
 		  .DoubleExceptionVector.literal)
 
   . = (LOADADDR( .DoubleExceptionVector.text ) + SIZEOF( .DoubleExceptionVector.text ) + 3) & ~ 3;
-  . = ALIGN(1<<XCHAL_MMU_MIN_PTE_PAGE_SIZE);
+  . = ALIGN(1 << 12);
 
   __init_end = .;
 
diff --git a/arch/xtensa/lib/checksum.S b/arch/xtensa/lib/checksum.S
index e2d64dfd530..9d9cd990afa 100644
--- a/arch/xtensa/lib/checksum.S
+++ b/arch/xtensa/lib/checksum.S
@@ -16,8 +16,7 @@
 
 #include <asm/errno.h>
 #include <linux/linkage.h>
-#define _ASMLANGUAGE
-#include <xtensa/config/core.h>
+#include <asm/variant/core.h>
 
 /*
  * computes a partial checksum, e.g. for TCP/UDP fragments
diff --git a/arch/xtensa/lib/memcopy.S b/arch/xtensa/lib/memcopy.S
index e8f6d7eb722..ddda8f4bc86 100644
--- a/arch/xtensa/lib/memcopy.S
+++ b/arch/xtensa/lib/memcopy.S
@@ -9,7 +9,7 @@
  * Copyright (C) 2002 - 2005 Tensilica Inc.
  */
 
-#include <xtensa/coreasm.h>
+#include <asm/variant/core.h>
 
 	.macro	src_b	r, w0, w1
 #ifdef __XTENSA_EB__
diff --git a/arch/xtensa/lib/memset.S b/arch/xtensa/lib/memset.S
index 4de25134bc6..56a17495b2d 100644
--- a/arch/xtensa/lib/memset.S
+++ b/arch/xtensa/lib/memset.S
@@ -11,7 +11,7 @@
  *  Copyright (C) 2002 Tensilica Inc.
  */
 
-#include <xtensa/coreasm.h>
+#include <asm/variant/core.h>
 
 /*
  * void *memset(void *dst, int c, size_t length)
diff --git a/arch/xtensa/lib/strncpy_user.S b/arch/xtensa/lib/strncpy_user.S
index 71d55df4389..a834057bda6 100644
--- a/arch/xtensa/lib/strncpy_user.S
+++ b/arch/xtensa/lib/strncpy_user.S
@@ -11,7 +11,7 @@
  *  Copyright (C) 2002 Tensilica Inc.
  */
 
-#include <xtensa/coreasm.h>
+#include <asm/variant/core.h>
 #include <linux/errno.h>
 
 /* Load or store instructions that may cause exceptions use the EX macro. */
diff --git a/arch/xtensa/lib/strnlen_user.S b/arch/xtensa/lib/strnlen_user.S
index cdff4d670f3..5e9c1e709b2 100644
--- a/arch/xtensa/lib/strnlen_user.S
+++ b/arch/xtensa/lib/strnlen_user.S
@@ -11,7 +11,7 @@
  *  Copyright (C) 2002 Tensilica Inc.
  */
 
-#include <xtensa/coreasm.h>
+#include <asm/variant/core.h>
 
 /* Load or store instructions that may cause exceptions use the EX macro. */
 
diff --git a/arch/xtensa/lib/usercopy.S b/arch/xtensa/lib/usercopy.S
index 4641ef510f0..a8ab1d4fe0a 100644
--- a/arch/xtensa/lib/usercopy.S
+++ b/arch/xtensa/lib/usercopy.S
@@ -53,7 +53,7 @@
  *	a11/ original length
  */
 
-#include <xtensa/coreasm.h>
+#include <asm/variant/core.h>
 
 #ifdef __XTENSA_EB__
 #define ALIGN(R, W0, W1) src	R, W0, W1
diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c
index dd0dbec2e57..3dc6f2f07bb 100644
--- a/arch/xtensa/mm/fault.c
+++ b/arch/xtensa/mm/fault.c
@@ -21,7 +21,7 @@
 #include <asm/system.h>
 #include <asm/pgalloc.h>
 
-unsigned long asid_cache = ASID_FIRST_VERSION;
+unsigned long asid_cache = ASID_USER_FIRST;
 void bad_page_fault(struct pt_regs*, unsigned long, int);
 
 /*
@@ -58,10 +58,10 @@ void do_page_fault(struct pt_regs *regs)
 		return;
 	}
 
-	is_write = (exccause == XCHAL_EXCCAUSE_STORE_CACHE_ATTRIBUTE) ? 1 : 0;
-	is_exec =  (exccause == XCHAL_EXCCAUSE_ITLB_PRIVILEGE ||
-		    exccause == XCHAL_EXCCAUSE_ITLB_MISS ||
-		    exccause == XCHAL_EXCCAUSE_FETCH_CACHE_ATTRIBUTE) ? 1 : 0;
+	is_write = (exccause == EXCCAUSE_STORE_CACHE_ATTRIBUTE) ? 1 : 0;
+	is_exec =  (exccause == EXCCAUSE_ITLB_PRIVILEGE ||
+		    exccause == EXCCAUSE_ITLB_MISS ||
+		    exccause == EXCCAUSE_FETCH_CACHE_ATTRIBUTE) ? 1 : 0;
 
 #if 0
 	printk("[%s:%d:%08x:%d:%08x:%s%s]\n", current->comm, current->pid,
diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
index 660ef058c14..e1ec2d1e818 100644
--- a/arch/xtensa/mm/init.c
+++ b/arch/xtensa/mm/init.c
@@ -141,8 +141,8 @@ void __init bootmem_init(void)
 	if (min_low_pfn > max_pfn)
 		panic("No memory found!\n");
 
-	max_low_pfn = max_pfn < MAX_LOW_MEMORY >> PAGE_SHIFT ?
-		max_pfn : MAX_LOW_MEMORY >> PAGE_SHIFT;
+	max_low_pfn = max_pfn < MAX_MEM_PFN >> PAGE_SHIFT ?
+		max_pfn : MAX_MEM_PFN >> PAGE_SHIFT;
 
 	/* Find an area to use for the bootmem bitmap. */
 
@@ -215,7 +215,7 @@ void __init init_mmu (void)
 
 	/* Set rasid register to a known value. */
 
-	set_rasid_register (ASID_ALL_RESERVED);
+	set_rasid_register (ASID_USER_FIRST);
 
 	/* Set PTEVADDR special register to the start of the page
 	 * table, which is in kernel mappable space (ie. not
diff --git a/arch/xtensa/mm/misc.S b/arch/xtensa/mm/misc.S
index 327c0f17187..ae085332c60 100644
--- a/arch/xtensa/mm/misc.S
+++ b/arch/xtensa/mm/misc.S
@@ -19,9 +19,8 @@
 #include <linux/linkage.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
-
-#include <xtensa/cacheasm.h>
-#include <xtensa/cacheattrasm.h>
+#include <asm/asmmacro.h>
+#include <asm/cacheasm.h>
 
 /* clear_page (page) */
 
@@ -74,104 +73,66 @@ ENTRY(copy_page)
 
 	retw
 
-
 /*
- * void __flush_invalidate_cache_all(void)
+ * void __invalidate_icache_page(ulong start)
  */
 
-ENTRY(__flush_invalidate_cache_all)
+ENTRY(__invalidate_icache_page)
 	entry	sp, 16
-	dcache_writeback_inv_all a2, a3
-	icache_invalidate_all a2, a3
-	retw
 
-/*
- * void __invalidate_icache_all(void)
- */
+	___invalidate_icache_page a2 a3
+	isync
 
-ENTRY(__invalidate_icache_all)
-	entry	sp, 16
-	icache_invalidate_all a2, a3
 	retw
 
 /*
- * void __flush_invalidate_dcache_all(void)
+ * void __invalidate_dcache_page(ulong start)
  */
 
-ENTRY(__flush_invalidate_dcache_all)
+ENTRY(__invalidate_dcache_page)
 	entry	sp, 16
-	dcache_writeback_inv_all a2, a3
-	retw
-
 
-/*
- * void __flush_invalidate_cache_range(ulong start, ulong size)
- */
+	___invalidate_dcache_page a2 a3
+	dsync
 
-ENTRY(__flush_invalidate_cache_range)
-	entry	sp, 16
-	mov	a4, a2
-	mov	a5, a3
-	dcache_writeback_inv_region a4, a5, a6
-	icache_invalidate_region a2, a3, a4
 	retw
 
 /*
- * void __invalidate_icache_page(ulong start)
+ * void __flush_invalidate_dcache_page(ulong start)
  */
 
-ENTRY(__invalidate_icache_page)
+ENTRY(__flush_invalidate_dcache_page)
 	entry	sp, 16
-	movi	a3, PAGE_SIZE
-	icache_invalidate_region a2, a3, a4
-	retw
 
-/*
- * void __invalidate_dcache_page(ulong start)
- */
+	___flush_invalidate_dcache_page a2 a3
 
-ENTRY(__invalidate_dcache_page)
-	entry	sp, 16
-	movi	a3, PAGE_SIZE
-	dcache_invalidate_region a2, a3, a4
+	dsync
 	retw
 
 /*
- * void __invalidate_icache_range(ulong start, ulong size)
+ * void __flush_dcache_page(ulong start)
  */
 
-ENTRY(__invalidate_icache_range)
+ENTRY(__flush_dcache_page)
 	entry	sp, 16
-	icache_invalidate_region a2, a3, a4
-	retw
 
-/*
- * void __invalidate_dcache_range(ulong start, ulong size)
- */
+	___flush_dcache_page a2 a3
 
-ENTRY(__invalidate_dcache_range)
-	entry	sp, 16
-	dcache_invalidate_region a2, a3, a4
+	dsync
 	retw
 
-/*
- * void __flush_dcache_page(ulong start)
- */
 
-ENTRY(__flush_dcache_page)
-	entry	sp, 16
-	movi	a3, PAGE_SIZE
-	dcache_writeback_region a2, a3, a4
-	retw
 
 /*
- * void __flush_invalidate_dcache_page(ulong start)
+ * void __invalidate_icache_range(ulong start, ulong size)
  */
 
-ENTRY(__flush_invalidate_dcache_page)
+ENTRY(__invalidate_icache_range)
 	entry	sp, 16
-	movi	a3, PAGE_SIZE
-	dcache_writeback_inv_region a2, a3, a4
+
+	___invalidate_icache_range a2 a3 a4
+	isync
+
 	retw
 
 /*
@@ -180,195 +141,69 @@ ENTRY(__flush_invalidate_dcache_page)
 
 ENTRY(__flush_invalidate_dcache_range)
 	entry	sp, 16
-	dcache_writeback_inv_region a2, a3, a4
-	retw
 
-/*
- * void __invalidate_dcache_all(void)
- */
+	___flush_invalidate_dcache_range a2 a3 a4
+	dsync
 
-ENTRY(__invalidate_dcache_all)
-	entry	sp, 16
-	dcache_invalidate_all a2, a3
 	retw
 
 /*
- * void __flush_invalidate_dcache_page_phys(ulong start)
+ * void _flush_dcache_range(ulong start, ulong size)
  */
 
-ENTRY(__flush_invalidate_dcache_page_phys)
+ENTRY(__flush_dcache_range)
 	entry	sp, 16
 
-	movi	a3, XCHAL_DCACHE_SIZE
-	movi	a4, PAGE_MASK | 1
-	addi	a2, a2, 1
-
-1:	addi	a3, a3, -XCHAL_DCACHE_LINESIZE
-
-	ldct	a6, a3
+	___flush_dcache_range a2 a3 a4
 	dsync
-	and	a6, a6, a4
-	beq	a6, a2, 2f
-	bgeui	a3, 2, 1b
-	retw
 
-2:	diwbi	a3, 0
-	bgeui	a3, 2, 1b
 	retw
 
-ENTRY(check_dcache_low0)
-	entry	sp, 16
-
-	movi	a3, XCHAL_DCACHE_SIZE / 4
-	movi	a4, PAGE_MASK | 1
-	addi	a2, a2, 1
-
-1:	addi	a3, a3, -XCHAL_DCACHE_LINESIZE
-
-	ldct	a6, a3
-	dsync
-	and	a6, a6, a4
-	beq	a6, a2, 2f
-	bgeui	a3, 2, 1b
-	retw
-
-2:	j 2b
-
-ENTRY(check_dcache_high0)
-	entry	sp, 16
-
-	movi	a5, XCHAL_DCACHE_SIZE / 4
-	movi	a3, XCHAL_DCACHE_SIZE / 2
-	movi	a4, PAGE_MASK | 1
-	addi	a2, a2, 1
-
-1:	addi	a3, a3, -XCHAL_DCACHE_LINESIZE
-	addi	a5, a5, -XCHAL_DCACHE_LINESIZE
-
-	ldct	a6, a3
-	dsync
-	and	a6, a6, a4
-	beq	a6, a2, 2f
-	bgeui	a5, 2, 1b
-	retw
-
-2:	j 2b
+/*
+ * void _invalidate_dcache_range(ulong start, ulong size)
+ */
 
-ENTRY(check_dcache_low1)
+ENTRY(__invalidate_dcache_range)
 	entry	sp, 16
 
-	movi	a5, XCHAL_DCACHE_SIZE / 4
-	movi	a3, XCHAL_DCACHE_SIZE * 3 / 4
-	movi	a4, PAGE_MASK | 1
-	addi	a2, a2, 1
+	___invalidate_dcache_range a2 a3 a4
 
-1:	addi	a3, a3, -XCHAL_DCACHE_LINESIZE
-	addi	a5, a5, -XCHAL_DCACHE_LINESIZE
 
-	ldct	a6, a3
-	dsync
-	and	a6, a6, a4
-	beq	a6, a2, 2f
-	bgeui	a5, 2, 1b
 	retw
 
-2:	j 2b
+/*
+ * void _invalidate_icache_all(void)
+ */
 
-ENTRY(check_dcache_high1)
+ENTRY(__invalidate_icache_all)
 	entry	sp, 16
 
-	movi	a5, XCHAL_DCACHE_SIZE / 4
-	movi	a3, XCHAL_DCACHE_SIZE
-	movi	a4, PAGE_MASK | 1
-	addi	a2, a2, 1
-
-1:	addi	a3, a3, -XCHAL_DCACHE_LINESIZE
-	addi	a5, a5, -XCHAL_DCACHE_LINESIZE
+	___invalidate_icache_all a2 a3
+	isync
 
-	ldct	a6, a3
-	dsync
-	and	a6, a6, a4
-	beq	a6, a2, 2f
-	bgeui	a5, 2, 1b
 	retw
 
-2:	j 2b
-
-
 /*
- * void __invalidate_icache_page_phys(ulong start)
+ * void _flush_invalidate_dcache_all(void)
  */
 
-ENTRY(__invalidate_icache_page_phys)
+ENTRY(__flush_invalidate_dcache_all)
 	entry	sp, 16
 
-	movi	a3, XCHAL_ICACHE_SIZE
-	movi	a4, PAGE_MASK | 1
-	addi	a2, a2, 1
-
-1:	addi	a3, a3, -XCHAL_ICACHE_LINESIZE
-
-	lict	a6, a3
-	isync
-	and	a6, a6, a4
-	beq	a6, a2, 2f
-	bgeui	a3, 2, 1b
-	retw
+	___flush_invalidate_dcache_all a2 a3
+	dsync
 
-2:	iii	a3, 0
-	bgeui	a3, 2, 1b
 	retw
 
+/*
+ * void _invalidate_dcache_all(void)
+ */
 
-#if 0
-
-	movi	a3, XCHAL_DCACHE_WAYS - 1
-	movi	a4, PAGE_SIZE
-
-1:	mov	a5, a2
-	add	a6, a2, a4
-
-2:	diwbi	a5, 0
-	diwbi	a5, XCHAL_DCACHE_LINESIZE
-	diwbi	a5, XCHAL_DCACHE_LINESIZE * 2
-	diwbi	a5, XCHAL_DCACHE_LINESIZE * 3
-
-	addi	a5, a5, XCHAL_DCACHE_LINESIZE * 4
-	blt	a5, a6, 2b
-
-	addi	a3, a3, -1
-	addi	a2, a2, XCHAL_DCACHE_SIZE / XCHAL_DCACHE_WAYS
-	bgez	a3, 1b
-
-	retw
-
-ENTRY(__invalidate_icache_page_index)
+ENTRY(__invalidate_dcache_all)
 	entry	sp, 16
 
-	movi	a3, XCHAL_ICACHE_WAYS - 1
-	movi	a4, PAGE_SIZE
-
-1:	mov	a5, a2
-	add	a6, a2, a4
-
-2:	iii	a5, 0
-	iii	a5, XCHAL_ICACHE_LINESIZE
-	iii	a5, XCHAL_ICACHE_LINESIZE * 2
-	iii	a5, XCHAL_ICACHE_LINESIZE * 3
-
-	addi	a5, a5, XCHAL_ICACHE_LINESIZE * 4
-	blt	a5, a6, 2b
-
-	addi	a3, a3, -1
-	addi	a2, a2, XCHAL_ICACHE_SIZE / XCHAL_ICACHE_WAYS
-	bgez	a3, 2b
+	___invalidate_dcache_all a2 a3
+	dsync
 
 	retw
 
-#endif
-
-
-
-
-
-
diff --git a/arch/xtensa/mm/tlb.c b/arch/xtensa/mm/tlb.c
index 0fefb866687..239461d8ea8 100644
--- a/arch/xtensa/mm/tlb.c
+++ b/arch/xtensa/mm/tlb.c
@@ -24,12 +24,12 @@
 
 static inline void __flush_itlb_all (void)
 {
-	int way, index;
+	int w, i;
 
-	for (way = 0; way < XCHAL_ITLB_ARF_WAYS; way++) {
-		for (index = 0; index < ITLB_ENTRIES_PER_ARF_WAY; index++) {
-			int entry = way + (index << PAGE_SHIFT);
-			invalidate_itlb_entry_no_isync (entry);
+	for (w = 0; w < ITLB_ARF_WAYS; w++) {
+		for (i = 0; i < (1 << XCHAL_ITLB_ARF_ENTRIES_LOG2); i++) {
+			int e = w + (i << PAGE_SHIFT);
+			invalidate_itlb_entry_no_isync(e);
 		}
 	}
 	asm volatile ("isync\n");
@@ -37,12 +37,12 @@ static inline void __flush_itlb_all (void)
 
 static inline void __flush_dtlb_all (void)
 {
-	int way, index;
+	int w, i;
 
-	for (way = 0; way < XCHAL_DTLB_ARF_WAYS; way++) {
-		for (index = 0; index < DTLB_ENTRIES_PER_ARF_WAY; index++) {
-			int entry = way + (index << PAGE_SHIFT);
-			invalidate_dtlb_entry_no_isync (entry);
+	for (w = 0; w < DTLB_ARF_WAYS; w++) {
+		for (i = 0; i < (1 << XCHAL_DTLB_ARF_ENTRIES_LOG2); i++) {
+			int e = w + (i << PAGE_SHIFT);
+			invalidate_dtlb_entry_no_isync(e);
 		}
 	}
 	asm volatile ("isync\n");
@@ -63,21 +63,25 @@ void flush_tlb_all (void)
 
 void flush_tlb_mm(struct mm_struct *mm)
 {
-#if 0
-	printk("[tlbmm<%lx>]\n", (unsigned long)mm->context);
-#endif
-
 	if (mm == current->active_mm) {
 		int flags;
 		local_save_flags(flags);
-		get_new_mmu_context(mm, asid_cache);
-		set_rasid_register(ASID_INSERT(mm->context));
+		__get_new_mmu_context(mm);
+		__load_mmu_context(mm);
 		local_irq_restore(flags);
 	}
 	else
 		mm->context = 0;
 }
 
+#define _ITLB_ENTRIES (ITLB_ARF_WAYS << XCHAL_ITLB_ARF_ENTRIES_LOG2)
+#define _DTLB_ENTRIES (DTLB_ARF_WAYS << XCHAL_DTLB_ARF_ENTRIES_LOG2)
+#if _ITLB_ENTRIES > _DTLB_ENTRIES
+# define _TLB_ENTRIES _ITLB_ENTRIES
+#else
+# define _TLB_ENTRIES _DTLB_ENTRIES
+#endif
+
 void flush_tlb_range (struct vm_area_struct *vma,
     		      unsigned long start, unsigned long end)
 {
@@ -93,7 +97,7 @@ void flush_tlb_range (struct vm_area_struct *vma,
 #endif
 	local_save_flags(flags);
 
-	if (end-start + (PAGE_SIZE-1) <= SMALLEST_NTLB_ENTRIES << PAGE_SHIFT) {
+	if (end-start + (PAGE_SIZE-1) <= _TLB_ENTRIES << PAGE_SHIFT) {
 		int oldpid = get_rasid_register();
 		set_rasid_register (ASID_INSERT(mm->context));
 		start &= PAGE_MASK;
@@ -111,9 +115,7 @@ void flush_tlb_range (struct vm_area_struct *vma,
 
 		set_rasid_register(oldpid);
 	} else {
-		get_new_mmu_context(mm, asid_cache);
-		if (mm == current->active_mm)
-			set_rasid_register(ASID_INSERT(mm->context));
+		flush_tlb_mm(mm);
 	}
 	local_irq_restore(flags);
 }
@@ -123,10 +125,6 @@ void flush_tlb_page (struct vm_area_struct *vma, unsigned long page)
 	struct mm_struct* mm = vma->vm_mm;
 	unsigned long flags;
 	int oldpid;
-#if 0
-	printk("[tlbpage<%02lx,%08lx>]\n",
-			(unsigned long)mm->context, page);
-#endif
 
 	if(mm->context == NO_CONTEXT)
 		return;
@@ -142,404 +140,5 @@ void flush_tlb_page (struct vm_area_struct *vma, unsigned long page)
 	set_rasid_register(oldpid);
 
 	local_irq_restore(flags);
-
-#if 0
-	flush_tlb_all();
-	return;
-#endif
-}
-
-
-#ifdef DEBUG_TLB
-
-#define USE_ITLB  0
-#define USE_DTLB  1
-
-struct way_config_t {
-	int indicies;
-	int indicies_log2;
-	int pgsz_log2;
-	int arf;
-};
-
-static struct way_config_t itlb[XCHAL_ITLB_WAYS] =
-{
-	{ XCHAL_ITLB_SET(XCHAL_ITLB_WAY0_SET, ENTRIES),
-	  XCHAL_ITLB_SET(XCHAL_ITLB_WAY0_SET, ENTRIES_LOG2),
-	  XCHAL_ITLB_SET(XCHAL_ITLB_WAY0_SET, PAGESZ_LOG2_MIN),
-	  XCHAL_ITLB_SET(XCHAL_ITLB_WAY0_SET, ARF)
-	},
-	{ XCHAL_ITLB_SET(XCHAL_ITLB_WAY1_SET, ENTRIES),
-	  XCHAL_ITLB_SET(XCHAL_ITLB_WAY1_SET, ENTRIES_LOG2),
-	  XCHAL_ITLB_SET(XCHAL_ITLB_WAY1_SET, PAGESZ_LOG2_MIN),
-	  XCHAL_ITLB_SET(XCHAL_ITLB_WAY1_SET, ARF)
-	},
-	{ XCHAL_ITLB_SET(XCHAL_ITLB_WAY2_SET, ENTRIES),
-	  XCHAL_ITLB_SET(XCHAL_ITLB_WAY2_SET, ENTRIES_LOG2),
-	  XCHAL_ITLB_SET(XCHAL_ITLB_WAY2_SET, PAGESZ_LOG2_MIN),
-	  XCHAL_ITLB_SET(XCHAL_ITLB_WAY2_SET, ARF)
-	},
-	{ XCHAL_ITLB_SET(XCHAL_ITLB_WAY3_SET, ENTRIES),
-	  XCHAL_ITLB_SET(XCHAL_ITLB_WAY3_SET, ENTRIES_LOG2),
-	  XCHAL_ITLB_SET(XCHAL_ITLB_WAY3_SET, PAGESZ_LOG2_MIN),
-	  XCHAL_ITLB_SET(XCHAL_ITLB_WAY3_SET, ARF)
-	},
-	{ XCHAL_ITLB_SET(XCHAL_ITLB_WAY4_SET, ENTRIES),
-	  XCHAL_ITLB_SET(XCHAL_ITLB_WAY4_SET, ENTRIES_LOG2),
-	  XCHAL_ITLB_SET(XCHAL_ITLB_WAY4_SET, PAGESZ_LOG2_MIN),
-	  XCHAL_ITLB_SET(XCHAL_ITLB_WAY4_SET, ARF)
-	},
-	{ XCHAL_ITLB_SET(XCHAL_ITLB_WAY5_SET, ENTRIES),
-	  XCHAL_ITLB_SET(XCHAL_ITLB_WAY5_SET, ENTRIES_LOG2),
-	  XCHAL_ITLB_SET(XCHAL_ITLB_WAY5_SET, PAGESZ_LOG2_MIN),
-	  XCHAL_ITLB_SET(XCHAL_ITLB_WAY5_SET, ARF)
-	},
-	{ XCHAL_ITLB_SET(XCHAL_ITLB_WAY6_SET, ENTRIES),
-	  XCHAL_ITLB_SET(XCHAL_ITLB_WAY6_SET, ENTRIES_LOG2),
-	  XCHAL_ITLB_SET(XCHAL_ITLB_WAY6_SET, PAGESZ_LOG2_MIN),
-	  XCHAL_ITLB_SET(XCHAL_ITLB_WAY6_SET, ARF)
-	}
-};
-
-static struct way_config_t dtlb[XCHAL_DTLB_WAYS] =
-{
-	{ XCHAL_DTLB_SET(XCHAL_DTLB_WAY0_SET, ENTRIES),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY0_SET, ENTRIES_LOG2),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY0_SET, PAGESZ_LOG2_MIN),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY0_SET, ARF)
-	},
-	{ XCHAL_DTLB_SET(XCHAL_DTLB_WAY1_SET, ENTRIES),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY1_SET, ENTRIES_LOG2),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY1_SET, PAGESZ_LOG2_MIN),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY1_SET, ARF)
-	},
-	{ XCHAL_DTLB_SET(XCHAL_DTLB_WAY2_SET, ENTRIES),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY2_SET, ENTRIES_LOG2),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY2_SET, PAGESZ_LOG2_MIN),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY2_SET, ARF)
-	},
-	{ XCHAL_DTLB_SET(XCHAL_DTLB_WAY3_SET, ENTRIES),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY3_SET, ENTRIES_LOG2),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY3_SET, PAGESZ_LOG2_MIN),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY3_SET, ARF)
-	},
-	{ XCHAL_DTLB_SET(XCHAL_DTLB_WAY4_SET, ENTRIES),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY4_SET, ENTRIES_LOG2),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY4_SET, PAGESZ_LOG2_MIN),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY4_SET, ARF)
-	},
-	{ XCHAL_DTLB_SET(XCHAL_DTLB_WAY5_SET, ENTRIES),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY5_SET, ENTRIES_LOG2),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY5_SET, PAGESZ_LOG2_MIN),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY5_SET, ARF)
-	},
-	{ XCHAL_DTLB_SET(XCHAL_DTLB_WAY6_SET, ENTRIES),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY6_SET, ENTRIES_LOG2),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY6_SET, PAGESZ_LOG2_MIN),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY6_SET, ARF)
-	},
-	{ XCHAL_DTLB_SET(XCHAL_DTLB_WAY7_SET, ENTRIES),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY7_SET, ENTRIES_LOG2),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY7_SET, PAGESZ_LOG2_MIN),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY7_SET, ARF)
-	},
-	{ XCHAL_DTLB_SET(XCHAL_DTLB_WAY8_SET, ENTRIES),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY8_SET, ENTRIES_LOG2),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY8_SET, PAGESZ_LOG2_MIN),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY8_SET, ARF)
-	},
-	{ XCHAL_DTLB_SET(XCHAL_DTLB_WAY9_SET, ENTRIES),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY9_SET, ENTRIES_LOG2),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY9_SET, PAGESZ_LOG2_MIN),
-	  XCHAL_DTLB_SET(XCHAL_DTLB_WAY9_SET, ARF)
-	}
-};
-
-/*  Total number of entries:  */
-#define ITLB_TOTAL_ENTRIES	\
-		XCHAL_ITLB_SET(XCHAL_ITLB_WAY0_SET, ENTRIES) + \
-		XCHAL_ITLB_SET(XCHAL_ITLB_WAY1_SET, ENTRIES) + \
-		XCHAL_ITLB_SET(XCHAL_ITLB_WAY2_SET, ENTRIES) + \
-		XCHAL_ITLB_SET(XCHAL_ITLB_WAY3_SET, ENTRIES) + \
-		XCHAL_ITLB_SET(XCHAL_ITLB_WAY4_SET, ENTRIES) + \
-		XCHAL_ITLB_SET(XCHAL_ITLB_WAY5_SET, ENTRIES) + \
-		XCHAL_ITLB_SET(XCHAL_ITLB_WAY6_SET, ENTRIES)
-#define DTLB_TOTAL_ENTRIES	\
-		XCHAL_DTLB_SET(XCHAL_DTLB_WAY0_SET, ENTRIES) + \
-		XCHAL_DTLB_SET(XCHAL_DTLB_WAY1_SET, ENTRIES) + \
-		XCHAL_DTLB_SET(XCHAL_DTLB_WAY2_SET, ENTRIES) + \
-		XCHAL_DTLB_SET(XCHAL_DTLB_WAY3_SET, ENTRIES) + \
-		XCHAL_DTLB_SET(XCHAL_DTLB_WAY4_SET, ENTRIES) + \
-		XCHAL_DTLB_SET(XCHAL_DTLB_WAY5_SET, ENTRIES) + \
-		XCHAL_DTLB_SET(XCHAL_DTLB_WAY6_SET, ENTRIES) + \
-		XCHAL_DTLB_SET(XCHAL_DTLB_WAY7_SET, ENTRIES) + \
-		XCHAL_DTLB_SET(XCHAL_DTLB_WAY8_SET, ENTRIES) + \
-		XCHAL_DTLB_SET(XCHAL_DTLB_WAY9_SET, ENTRIES)
-
-
-typedef struct {
-    unsigned		va;
-    unsigned		pa;
-    unsigned char	asid;
-    unsigned char	ca;
-    unsigned char	way;
-    unsigned char	index;
-    unsigned char	pgsz_log2;	/* 0 .. 32 */
-    unsigned char	type;		/* 0=ITLB 1=DTLB */
-} tlb_dump_entry_t;
-
-/*  Return -1 if a precedes b, +1 if a follows b, 0 if same:  */
-int cmp_tlb_dump_info( tlb_dump_entry_t *a, tlb_dump_entry_t *b )
-{
-    if (a->asid < b->asid) return -1;
-    if (a->asid > b->asid) return  1;
-    if (a->va < b->va) return -1;
-    if (a->va > b->va) return  1;
-    if (a->pa < b->pa) return -1;
-    if (a->pa > b->pa) return  1;
-    if (a->ca < b->ca) return -1;
-    if (a->ca > b->ca) return  1;
-    if (a->way < b->way) return -1;
-    if (a->way > b->way) return  1;
-    if (a->index < b->index) return -1;
-    if (a->index > b->index) return  1;
-    return 0;
-}
-
-void sort_tlb_dump_info( tlb_dump_entry_t *t, int n )
-{
-    int i, j;
-    /*  Simple O(n*n) sort:  */
-    for (i = 0; i < n-1; i++)
-	for (j = i+1; j < n; j++)
-	    if (cmp_tlb_dump_info(t+i, t+j) > 0) {
-		tlb_dump_entry_t tmp = t[i];
-		t[i] = t[j];
-		t[j] = tmp;
-	    }
-}
-
-
-static tlb_dump_entry_t itlb_dump_info[ITLB_TOTAL_ENTRIES];
-static tlb_dump_entry_t dtlb_dump_info[DTLB_TOTAL_ENTRIES];
-
-
-static inline char *way_type (int type)
-{
-	return type ? "autorefill" : "non-autorefill";
-}
-
-void print_entry (struct way_config_t *way_info,
-		  unsigned int way,
-		  unsigned int index,
-		  unsigned int virtual,
-		  unsigned int translation)
-{
-	char valid_chr;
-	unsigned int va, pa, asid, ca;
-
-	va = virtual &
-	  	~((1 << (way_info->pgsz_log2 + way_info->indicies_log2)) - 1);
-	asid = virtual & ((1 << XCHAL_MMU_ASID_BITS) - 1);
-	pa = translation & ~((1 << way_info->pgsz_log2) - 1);
-	ca = translation & ((1 << XCHAL_MMU_CA_BITS) - 1);
-	valid_chr = asid ? 'V' : 'I';
-
-	/* Compute and incorporate the effect of the index bits on the
-	 * va.  It's more useful for kernel debugging, since we always
-	 * want to know the effective va anyway. */
-
-	va += index << way_info->pgsz_log2;
-
-	printk ("\t[%d,%d] (%c) vpn 0x%.8x  ppn 0x%.8x  asid 0x%.2x  am 0x%x\n",
-		way, index, valid_chr, va, pa, asid, ca);
-}
-
-void print_itlb_entry (struct way_config_t *way_info, int way, int index)
-{
-	print_entry (way_info, way, index,
-		     read_itlb_virtual (way + (index << way_info->pgsz_log2)),
-		     read_itlb_translation (way + (index << way_info->pgsz_log2)));
-}
-
-void print_dtlb_entry (struct way_config_t *way_info, int way, int index)
-{
-	print_entry (way_info, way, index,
-		     read_dtlb_virtual (way + (index << way_info->pgsz_log2)),
-		     read_dtlb_translation (way + (index << way_info->pgsz_log2)));
-}
-
-void dump_itlb (void)
-{
-	int way, index;
-
-	printk ("\nITLB: ways = %d\n", XCHAL_ITLB_WAYS);
-
-	for (way = 0; way < XCHAL_ITLB_WAYS; way++) {
-		printk ("\nWay: %d, Entries: %d, MinPageSize: %d, Type: %s\n",
-			way, itlb[way].indicies,
-			itlb[way].pgsz_log2, way_type(itlb[way].arf));
-		for (index = 0; index < itlb[way].indicies; index++) {
-			print_itlb_entry(&itlb[way], way, index);
-		}
-	}
-}
-
-void dump_dtlb (void)
-{
-	int way, index;
-
-	printk ("\nDTLB: ways = %d\n", XCHAL_DTLB_WAYS);
-
-	for (way = 0; way < XCHAL_DTLB_WAYS; way++) {
-		printk ("\nWay: %d, Entries: %d, MinPageSize: %d, Type: %s\n",
-			way, dtlb[way].indicies,
-			dtlb[way].pgsz_log2, way_type(dtlb[way].arf));
-		for (index = 0; index < dtlb[way].indicies; index++) {
-			print_dtlb_entry(&dtlb[way], way, index);
-		}
-	}
-}
-
-void dump_tlb (tlb_dump_entry_t *tinfo, struct way_config_t *config,
-		int entries, int ways, int type, int show_invalid)
-{
-    tlb_dump_entry_t *e = tinfo;
-    int way, i;
-
-    /*  Gather all info:  */
-    for (way = 0; way < ways; way++) {
-	struct way_config_t *cfg = config + way;
-	for (i = 0; i < cfg->indicies; i++) {
-	    unsigned wayindex = way + (i << cfg->pgsz_log2);
-	    unsigned vv = (type ? read_dtlb_virtual (wayindex)
-		    		: read_itlb_virtual (wayindex));
-	    unsigned pp = (type ? read_dtlb_translation (wayindex)
-		    		: read_itlb_translation (wayindex));
-
-	    /* Compute and incorporate the effect of the index bits on the
-	     * va.  It's more useful for kernel debugging, since we always
-	     * want to know the effective va anyway. */
-
-	    e->va = (vv & ~((1 << (cfg->pgsz_log2 + cfg->indicies_log2)) - 1));
-	    e->va += (i << cfg->pgsz_log2);
-	    e->pa = (pp & ~((1 << cfg->pgsz_log2) - 1));
-	    e->asid = (vv & ((1 << XCHAL_MMU_ASID_BITS) - 1));
-	    e->ca = (pp & ((1 << XCHAL_MMU_CA_BITS) - 1));
-	    e->way = way;
-	    e->index = i;
-	    e->pgsz_log2 = cfg->pgsz_log2;
-	    e->type = type;
-	    e++;
-	}
-    }
-#if 1
-    /*  Sort by ASID and VADDR:  */
-    sort_tlb_dump_info (tinfo, entries);
-#endif
-
-    /*  Display all sorted info:  */
-    printk ("\n%cTLB dump:\n", (type ? 'D' : 'I'));
-    for (e = tinfo, i = 0; i < entries; i++, e++) {
-#if 0
-	if (e->asid == 0 && !show_invalid)
-	    continue;
-#endif
-	printk ("%c way=%d i=%d  ASID=%02X V=%08X -> P=%08X CA=%X (%d %cB)\n",
-		(e->type ? 'D' : 'I'), e->way, e->index,
-		e->asid, e->va, e->pa, e->ca,
-		(1 << (e->pgsz_log2 % 10)),
-		" kMG"[e->pgsz_log2 / 10]
-		);
-    }
-}
-
-void dump_tlbs2 (int showinv)
-{
-    dump_tlb (itlb_dump_info, itlb, ITLB_TOTAL_ENTRIES, XCHAL_ITLB_WAYS, 0, showinv);
-    dump_tlb (dtlb_dump_info, dtlb, DTLB_TOTAL_ENTRIES, XCHAL_DTLB_WAYS, 1, showinv);
-}
-
-void dump_all_tlbs (void)
-{
-    dump_tlbs2 (1);
-}
-
-void dump_valid_tlbs (void)
-{
-    dump_tlbs2 (0);
 }
 
-
-void dump_tlbs (void)
-{
-	dump_itlb();
-	dump_dtlb();
-}
-
-void dump_cache_tag(int dcache, int idx)
-{
-	int w, i, s, e;
-	unsigned long tag, index;
-	unsigned long num_lines, num_ways, cache_size, line_size;
-
-	num_ways = dcache ? XCHAL_DCACHE_WAYS : XCHAL_ICACHE_WAYS;
-	cache_size = dcache ? XCHAL_DCACHE_SIZE : XCHAL_ICACHE_SIZE;
-	line_size = dcache ? XCHAL_DCACHE_LINESIZE : XCHAL_ICACHE_LINESIZE;
-
-	num_lines = cache_size / num_ways;
-
-	s = 0; e = num_lines;
-
-	if (idx >= 0)
-		e = (s = idx * line_size) + 1;
-
-	for (i = s; i < e; i+= line_size) {
-		printk("\nline %#08x:", i);
-		for (w = 0; w < num_ways; w++) {
-			index = w * num_lines + i;
-			if (dcache)
-				__asm__ __volatile__("ldct %0, %1\n\t"
-						: "=a"(tag) : "a"(index));
-			else
-				__asm__ __volatile__("lict %0, %1\n\t"
-						: "=a"(tag) : "a"(index));
-
-			printk(" %#010lx", tag);
-		}
-	}
-	printk ("\n");
-}
-
-void dump_icache(int index)
-{
-	unsigned long data, addr;
-	int w, i;
-
-	const unsigned long num_ways = XCHAL_ICACHE_WAYS;
-	const unsigned long cache_size = XCHAL_ICACHE_SIZE;
-	const unsigned long line_size = XCHAL_ICACHE_LINESIZE;
-	const unsigned long num_lines = cache_size / num_ways / line_size;
-
-	for (w = 0; w < num_ways; w++) {
-		printk ("\nWay %d", w);
-
-		for (i = 0; i < line_size; i+= 4) {
-			addr = w * num_lines + index * line_size + i;
-			__asm__ __volatile__("licw %0, %1\n\t"
-					: "=a"(data) : "a"(addr));
-			printk(" %#010lx", data);
-		}
-	}
-	printk ("\n");
-}
-
-void dump_cache_tags(void)
-{
-	printk("Instruction cache\n");
-	dump_cache_tag(0, -1);
-	printk("Data cache\n");
-	dump_cache_tag(1, -1);
-}
-
-#endif
diff --git a/arch/xtensa/platform-iss/console.c b/arch/xtensa/platform-iss/console.c
index 5c947cae752..2f4f20ffe66 100644
--- a/arch/xtensa/platform-iss/console.c
+++ b/arch/xtensa/platform-iss/console.c
@@ -25,11 +25,15 @@
 #include <asm/uaccess.h>
 #include <asm/irq.h>
 
-#include <xtensa/simcall.h>
+#include <asm/platform/simcall.h>
 
 #include <linux/tty.h>
 #include <linux/tty_flip.h>
 
+#ifdef SERIAL_INLINE
+#define _INLINE_ inline
+#endif
+
 #define SERIAL_MAX_NUM_LINES 1
 #define SERIAL_TIMER_VALUE (20 * HZ)
 
@@ -191,7 +195,7 @@ static int rs_read_proc(char *page, char **start, off_t off, int count,
 }
 
 
-static const struct tty_operations serial_ops = {
+static struct tty_operations serial_ops = {
 	.open = rs_open,
 	.close = rs_close,
 	.write = rs_write,
diff --git a/arch/xtensa/platform-iss/network.c b/arch/xtensa/platform-iss/network.c
index 15d64414bd6..8ebfc876122 100644
--- a/arch/xtensa/platform-iss/network.c
+++ b/arch/xtensa/platform-iss/network.c
@@ -34,7 +34,7 @@
 #include <linux/timer.h>
 #include <linux/platform_device.h>
 
-#include <xtensa/simcall.h>
+#include <asm/platform/simcall.h>
 
 #define DRIVER_NAME "iss-netdev"
 #define ETH_MAX_PACKET 1500