Merge tag 'xtensa-next-20121018' of git://github.com/czankel/xtensa-linux

Pull Xtensa patchset from Chris Zankel:
 "These are all limited to the xtensa subtree and include some important
  changes (adding long missing system calls for newer libc versions and
  other fixes) and the UAPI changes"

* tag 'xtensa-next-20121018' of git://github.com/czankel/xtensa-linux:
  xtensa: add missing system calls to the syscall table
  xtensa: minor compiler warning fix
  xtensa: Use Kbuild infrastructure to handle asm-generic headers
  UAPI: (Scripted) Disintegrate arch/xtensa/include/asm
  xtensa: fix unaligned usermode access
  xtensa: reorganize SR referencing
  xtensa: fix boot parameters parsing
  xtensa: fix missing return in do_page_fault for SIGBUS case
  xtensa: copy_thread with CLONE_VM must not copy live parent AR windows
  xtensa: fix memmove(), bcopy(), and memcpy().
  xtensa: ISS: fix rs_put_char
  xtensa: ISS: fix specific simcalls

82 files changed, 1677 insertions, 1620 deletions

diff --git a/arch/xtensa/boot/boot-redboot/bootstrap.S b/arch/xtensa/boot/boot-redboot/bootstrap.S
index 4c316cd28a5..86c34dbc9cd 100644
--- a/arch/xtensa/boot/boot-redboot/bootstrap.S
+++ b/arch/xtensa/boot/boot-redboot/bootstrap.S
@@ -51,17 +51,17 @@ _start:
 	/* 'reset' window registers */
 
 	movi	a4, 1
-	wsr	a4, PS
+	wsr	a4, ps
 	rsync
 
-	rsr	a5, WINDOWBASE
+	rsr	a5, windowbase
 	ssl	a5
 	sll	a4, a4
-	wsr	a4, WINDOWSTART
+	wsr	a4, windowstart
 	rsync
 
 	movi	a4, 0x00040000
-	wsr	a4, PS
+	wsr	a4, ps
 	rsync
 
 	/* copy the loader to its address
diff --git a/arch/xtensa/include/asm/Kbuild b/arch/xtensa/include/asm/Kbuild
index fccd81eddff..6d130278999 100644
--- a/arch/xtensa/include/asm/Kbuild
+++ b/arch/xtensa/include/asm/Kbuild
@@ -1,4 +1,28 @@
-include include/asm-generic/Kbuild.asm
-
+generic-y += bitsperlong.h
+generic-y += bug.h
 generic-y += clkdev.h
+generic-y += cputime.h
+generic-y += device.h
+generic-y += div64.h
+generic-y += emergency-restart.h
+generic-y += errno.h
 generic-y += exec.h
+generic-y += fcntl.h
+generic-y += futex.h
+generic-y += hardirq.h
+generic-y += ioctl.h
+generic-y += irq_regs.h
+generic-y += kdebug.h
+generic-y += kmap_types.h
+generic-y += kvm_para.h
+generic-y += local.h
+generic-y += local64.h
+generic-y += percpu.h
+generic-y += resource.h
+generic-y += scatterlist.h
+generic-y += sections.h
+generic-y += siginfo.h
+generic-y += statfs.h
+generic-y += termios.h
+generic-y += topology.h
+generic-y += xor.h
diff --git a/arch/xtensa/include/asm/atomic.h b/arch/xtensa/include/asm/atomic.h
index b4098930877..24f50cada70 100644
--- a/arch/xtensa/include/asm/atomic.h
+++ b/arch/xtensa/include/asm/atomic.h
@@ -73,7 +73,7 @@ static inline void atomic_add(int i, atomic_t * v)
 	"l32i    %0, %2, 0              \n\t"
 	"add     %0, %0, %1             \n\t"
 	"s32i    %0, %2, 0              \n\t"
-	"wsr     a15, "__stringify(PS)"       \n\t"
+	"wsr     a15, ps                \n\t"
 	"rsync                          \n"
 	: "=&a" (vval)
 	: "a" (i), "a" (v)
@@ -97,7 +97,7 @@ static inline void atomic_sub(int i, atomic_t *v)
 	"l32i    %0, %2, 0              \n\t"
 	"sub     %0, %0, %1             \n\t"
 	"s32i    %0, %2, 0              \n\t"
-	"wsr     a15, "__stringify(PS)"       \n\t"
+	"wsr     a15, ps                \n\t"
 	"rsync                          \n"
 	: "=&a" (vval)
 	: "a" (i), "a" (v)
@@ -118,7 +118,7 @@ static inline int atomic_add_return(int i, atomic_t * v)
 	"l32i    %0, %2, 0             \n\t"
 	"add     %0, %0, %1            \n\t"
 	"s32i    %0, %2, 0             \n\t"
-	"wsr     a15, "__stringify(PS)"      \n\t"
+	"wsr     a15, ps               \n\t"
 	"rsync                         \n"
 	: "=&a" (vval)
 	: "a" (i), "a" (v)
@@ -137,7 +137,7 @@ static inline int atomic_sub_return(int i, atomic_t * v)
 	"l32i    %0, %2, 0             \n\t"
 	"sub     %0, %0, %1            \n\t"
 	"s32i    %0, %2, 0             \n\t"
-	"wsr     a15, "__stringify(PS)"       \n\t"
+	"wsr     a15, ps               \n\t"
 	"rsync                         \n"
 	: "=&a" (vval)
 	: "a" (i), "a" (v)
@@ -260,7 +260,7 @@ static inline void atomic_clear_mask(unsigned int mask, atomic_t *v)
 	"xor     %1, %4, %3            \n\t"
 	"and     %0, %0, %4            \n\t"
 	"s32i    %0, %2, 0             \n\t"
-	"wsr     a15, "__stringify(PS)"      \n\t"
+	"wsr     a15, ps               \n\t"
 	"rsync                         \n"
 	: "=&a" (vval), "=a" (mask)
 	: "a" (v), "a" (all_f), "1" (mask)
@@ -277,7 +277,7 @@ static inline void atomic_set_mask(unsigned int mask, atomic_t *v)
 	"l32i    %0, %2, 0             \n\t"
 	"or      %0, %0, %1            \n\t"
 	"s32i    %0, %2, 0             \n\t"
-	"wsr     a15, "__stringify(PS)"       \n\t"
+	"wsr     a15, ps               \n\t"
 	"rsync                         \n"
 	: "=&a" (vval)
 	: "a" (mask), "a" (v)
diff --git a/arch/xtensa/include/asm/bitsperlong.h b/arch/xtensa/include/asm/bitsperlong.h
deleted file mode 100644
index 6dc0bb0c13b..00000000000
--- a/arch/xtensa/include/asm/bitsperlong.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/bitsperlong.h>
diff --git a/arch/xtensa/include/asm/bug.h b/arch/xtensa/include/asm/bug.h
deleted file mode 100644
index 3e52d72712f..00000000000
--- a/arch/xtensa/include/asm/bug.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * include/asm-xtensa/bug.h
- *
- * Macros to cause a 'bug' message.
- *
- * 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.
- */
-
-#ifndef _XTENSA_BUG_H
-#define _XTENSA_BUG_H
-
-#include <asm-generic/bug.h>
-
-#endif	/* _XTENSA_BUG_H */
diff --git a/arch/xtensa/include/asm/cacheflush.h b/arch/xtensa/include/asm/cacheflush.h
index 376cd9d5f45..569fec4f9a2 100644
--- a/arch/xtensa/include/asm/cacheflush.h
+++ b/arch/xtensa/include/asm/cacheflush.h
@@ -165,7 +165,7 @@ extern void copy_from_user_page(struct vm_area_struct*, struct page*,
 static inline u32 xtensa_get_cacheattr(void)
 {
 	u32 r;
-	asm volatile("	rsr %0, CACHEATTR" : "=a"(r));
+	asm volatile("	rsr %0, cacheattr" : "=a"(r));
 	return r;
 }
 
diff --git a/arch/xtensa/include/asm/cmpxchg.h b/arch/xtensa/include/asm/cmpxchg.h
index e32149063d8..64dad04a9d2 100644
--- a/arch/xtensa/include/asm/cmpxchg.h
+++ b/arch/xtensa/include/asm/cmpxchg.h
@@ -27,7 +27,7 @@ __cmpxchg_u32(volatile int *p, int old, int new)
 		       "bne	%0, %2, 1f             \n\t"
 		       "s32i    %3, %1, 0              \n\t"
 		       "1:                             \n\t"
-		       "wsr     a15, "__stringify(PS)" \n\t"
+		       "wsr     a15, ps                \n\t"
 		       "rsync                          \n\t"
 		       : "=&a" (old)
 		       : "a" (p), "a" (old), "r" (new)
@@ -97,7 +97,7 @@ static inline unsigned long xchg_u32(volatile int * m, unsigned long val)
   __asm__ __volatile__("rsil    a15, "__stringify(LOCKLEVEL)"\n\t"
 		       "l32i    %0, %1, 0              \n\t"
 		       "s32i    %2, %1, 0              \n\t"
-		       "wsr     a15, "__stringify(PS)" \n\t"
+		       "wsr     a15, ps                \n\t"
 		       "rsync                          \n\t"
 		       : "=&a" (tmp)
 		       : "a" (m), "a" (val)
diff --git a/arch/xtensa/include/asm/coprocessor.h b/arch/xtensa/include/asm/coprocessor.h
index 75c94a1658b..677501b32df 100644
--- a/arch/xtensa/include/asm/coprocessor.h
+++ b/arch/xtensa/include/asm/coprocessor.h
@@ -94,11 +94,10 @@
 #if XCHAL_HAVE_CP
 
 #define RSR_CPENABLE(x)	do {						  \
-	__asm__ __volatile__("rsr %0," __stringify(CPENABLE) : "=a" (x)); \
+	__asm__ __volatile__("rsr %0, cpenable" : "=a" (x));		  \
 	} while(0);
 #define WSR_CPENABLE(x)	do {						  \
-  	__asm__ __volatile__("wsr %0," __stringify(CPENABLE) "; rsync" 	  \
-	    		     :: "a" (x));				  \
+	__asm__ __volatile__("wsr %0, cpenable; rsync" :: "a" (x));	  \
 	} while(0);
 
 #endif /* XCHAL_HAVE_CP */
diff --git a/arch/xtensa/include/asm/cputime.h b/arch/xtensa/include/asm/cputime.h
deleted file mode 100644
index a7fb864a50a..00000000000
--- a/arch/xtensa/include/asm/cputime.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef _XTENSA_CPUTIME_H
-#define _XTENSA_CPUTIME_H
-
-#include <asm-generic/cputime.h>
-
-#endif /* _XTENSA_CPUTIME_H */
diff --git a/arch/xtensa/include/asm/delay.h b/arch/xtensa/include/asm/delay.h
index e1d8c9e010c..58c0a4fd400 100644
--- a/arch/xtensa/include/asm/delay.h
+++ b/arch/xtensa/include/asm/delay.h
@@ -27,7 +27,7 @@ static inline void __delay(unsigned long loops)
 static __inline__ u32 xtensa_get_ccount(void)
 {
 	u32 ccount;
-	asm volatile ("rsr %0, 234; # CCOUNT\n" : "=r" (ccount));
+	asm volatile ("rsr %0, ccount\n" : "=r" (ccount));
 	return ccount;
 }
 
diff --git a/arch/xtensa/include/asm/device.h b/arch/xtensa/include/asm/device.h
deleted file mode 100644
index d8f9872b0e2..00000000000
--- a/arch/xtensa/include/asm/device.h
+++ /dev/null
@@ -1,7 +0,0 @@
-/*
- * Arch specific extensions to struct device
- *
- * This file is released under the GPLv2
- */
-#include <asm-generic/device.h>
-
diff --git a/arch/xtensa/include/asm/div64.h b/arch/xtensa/include/asm/div64.h
deleted file mode 100644
index f35678cb0a9..00000000000
--- a/arch/xtensa/include/asm/div64.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * include/asm-xtensa/div64.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) 2001 - 2007 Tensilica Inc.
- */
-
-#ifndef _XTENSA_DIV64_H
-#define _XTENSA_DIV64_H
-
-#include <asm-generic/div64.h>
-
-#endif /* _XTENSA_DIV64_H */
diff --git a/arch/xtensa/include/asm/emergency-restart.h b/arch/xtensa/include/asm/emergency-restart.h
deleted file mode 100644
index 108d8c48e42..00000000000
--- a/arch/xtensa/include/asm/emergency-restart.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef _ASM_EMERGENCY_RESTART_H
-#define _ASM_EMERGENCY_RESTART_H
-
-#include <asm-generic/emergency-restart.h>
-
-#endif /* _ASM_EMERGENCY_RESTART_H */
diff --git a/arch/xtensa/include/asm/errno.h b/arch/xtensa/include/asm/errno.h
deleted file mode 100644
index a0f3b96b79b..00000000000
--- a/arch/xtensa/include/asm/errno.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * include/asm-xtensa/errno.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) 2002 - 2005 Tensilica Inc.
- */
-
-#ifndef _XTENSA_ERRNO_H
-#define _XTENSA_ERRNO_H
-
-#include <asm-generic/errno.h>
-
-#endif	/* _XTENSA_ERRNO_H */
diff --git a/arch/xtensa/include/asm/fcntl.h b/arch/xtensa/include/asm/fcntl.h
deleted file mode 100644
index 46ab12db573..00000000000
--- a/arch/xtensa/include/asm/fcntl.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/fcntl.h>
diff --git a/arch/xtensa/include/asm/futex.h b/arch/xtensa/include/asm/futex.h
deleted file mode 100644
index 0b745828f42..00000000000
--- a/arch/xtensa/include/asm/futex.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/futex.h>
diff --git a/arch/xtensa/include/asm/hardirq.h b/arch/xtensa/include/asm/hardirq.h
deleted file mode 100644
index 91695a13549..00000000000
--- a/arch/xtensa/include/asm/hardirq.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * include/asm-xtensa/hardirq.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) 2002 - 2005 Tensilica Inc.
- */
-
-#ifndef _XTENSA_HARDIRQ_H
-#define _XTENSA_HARDIRQ_H
-
-#include <asm-generic/hardirq.h>
-
-#endif	/* _XTENSA_HARDIRQ_H */
diff --git a/arch/xtensa/include/asm/ioctl.h b/arch/xtensa/include/asm/ioctl.h
deleted file mode 100644
index b279fe06dfe..00000000000
--- a/arch/xtensa/include/asm/ioctl.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/ioctl.h>
diff --git a/arch/xtensa/include/asm/irq_regs.h b/arch/xtensa/include/asm/irq_regs.h
deleted file mode 100644
index 3dd9c0b7027..00000000000
--- a/arch/xtensa/include/asm/irq_regs.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/irq_regs.h>
diff --git a/arch/xtensa/include/asm/irqflags.h b/arch/xtensa/include/asm/irqflags.h
index dae9a8bdcb1..f865b1c1eae 100644
--- a/arch/xtensa/include/asm/irqflags.h
+++ b/arch/xtensa/include/asm/irqflags.h
@@ -16,7 +16,7 @@
 static inline unsigned long arch_local_save_flags(void)
 {
 	unsigned long flags;
-	asm volatile("rsr %0,"__stringify(PS) : "=a" (flags));
+	asm volatile("rsr %0, ps" : "=a" (flags));
 	return flags;
 }
 
@@ -41,7 +41,7 @@ static inline void arch_local_irq_enable(void)
 
 static inline void arch_local_irq_restore(unsigned long flags)
 {
-	asm volatile("wsr %0, "__stringify(PS)" ; rsync"
+	asm volatile("wsr %0, ps; rsync"
 		     :: "a" (flags) : "memory");
 }
 
diff --git a/arch/xtensa/include/asm/kdebug.h b/arch/xtensa/include/asm/kdebug.h
deleted file mode 100644