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

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

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

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)

arch/xtensa/include/asm/bitsperlong.h

@@ -1 +0,0 @@
-#include <asm-generic/bitsperlong.h>

arch/xtensa/include/asm/bug.h

@@ -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 */

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;
 }
 

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)

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 */

arch/xtensa/include/asm/cputime.h

@@ -1,6 +0,0 @@
-#ifndef _XTENSA_CPUTIME_H
-#define _XTENSA_CPUTIME_H
-
-#include <asm-generic/cputime.h>
-
-#endif /* _XTENSA_CPUTIME_H */

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;
 }
 

arch/xtensa/include/asm/device.h

@@ -1,7 +0,0 @@
-/*
- * Arch specific extensions to struct device
- *
- * This file is released under the GPLv2
- */
-#include <asm-generic/device.h>
-

arch/xtensa/include/asm/div64.h

@@ -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 */

arch/xtensa/include/asm/emergency-restart.h

@@ -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 */

arch/xtensa/include/asm/errno.h

@@ -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 */

arch/xtensa/include/asm/fcntl.h

@@ -1 +0,0 @@
-#include <asm-generic/fcntl.h>

arch/xtensa/include/asm/futex.h

@@ -1 +0,0 @@
-#include <asm-generic/futex.h>

arch/xtensa/include/asm/hardirq.h

@@ -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 */

arch/xtensa/include/asm/ioctl.h

@@ -1 +0,0 @@
-#include <asm-generic/ioctl.h>

arch/xtensa/include/asm/irq_regs.h

@@ -1 +0,0 @@
-#include <asm-generic/irq_regs.h>

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");
 }
 

arch/xtensa/include/asm/kdebug.h

@@ -1 +0,0 @@
-#include <asm-generic/kdebug.h>

arch/xtensa/include/asm/kmap_types.h

@@ -1,6 +0,0 @@
-#ifndef _XTENSA_KMAP_TYPES_H
-#define _XTENSA_KMAP_TYPES_H
-
-#include <asm-generic/kmap_types.h>
-
-#endif	/* _XTENSA_KMAP_TYPES_H */

arch/xtensa/include/asm/kvm_para.h

@@ -1 +0,0 @@
-#include <asm-generic/kvm_para.h>

arch/xtensa/include/asm/local.h

@@ -1,16 +0,0 @@
-/*
- * include/asm-xtensa/local.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 - 2005 Tensilica Inc.
- */
-
-#ifndef _XTENSA_LOCAL_H
-#define _XTENSA_LOCAL_H
-
-#include <asm-generic/local.h>
-
-#endif /* _XTENSA_LOCAL_H */

arch/xtensa/include/asm/local64.h

@@ -1 +0,0 @@
-#include <asm-generic/local64.h>

arch/xtensa/include/asm/mmu_context.h

@@ -51,14 +51,14 @@ extern unsigned long asid_cache;
 
 static inline void set_rasid_register (unsigned long val)
 {
-	__asm__ __volatile__ (" wsr %0, "__stringify(RASID)"\n\t"
+	__asm__ __volatile__ (" wsr %0, rasid\n\t"
 			      " isync\n" : : "a" (val));
 }
 
 static inline unsigned long get_rasid_register (void)
 {
 	unsigned long tmp;
-	__asm__ __volatile__ (" rsr %0,"__stringify(RASID)"\n\t" : "=a" (tmp));
+	__asm__ __volatile__ (" rsr %0, rasid\n\t" : "=a" (tmp));
 	return tmp;
 }
 

arch/xtensa/include/asm/param.h

@@ -7,28 +7,12 @@
  *
  * Copyright (C) 2001 - 2005 Tensilica Inc.
  */
-
 #ifndef _XTENSA_PARAM_H
 #define _XTENSA_PARAM_H
 
-#ifdef __KERNEL__
+#include <uapi/asm/param.h>
+
 # define HZ		CONFIG_HZ	/* internal timer frequency */
 # define USER_HZ	100		/* for user interfaces in "ticks" */
 # define CLOCKS_PER_SEC (USER_HZ)	/* frequnzy at which times() counts */
-#else
-# define HZ		100
-#endif
-
-#define EXEC_PAGESIZE	4096
-
-#ifndef NGROUPS
-#define NGROUPS		32
-#endif
-
-#ifndef NOGROUP
-#define NOGROUP		(-1)
-#endif
-
-#define MAXHOSTNAMELEN	64	/* max length of hostname */
-
 #endif /* _XTENSA_PARAM_H */

arch/xtensa/include/asm/percpu.h

@@ -1,16 +0,0 @@
-/*
- * linux/include/asm-xtensa/percpu.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 - 2005 Tensilica Inc.
- */
-
-#ifndef _XTENSA_PERCPU__
-#define _XTENSA_PERCPU__
-
-#include <asm-generic/percpu.h>
-
-#endif /* _XTENSA_PERCPU__ */

arch/xtensa/include/asm/ptrace.h

@@ -7,73 +7,11 @@
  *
  * Copyright (C) 2001 - 2005 Tensilica Inc.
  */
-
 #ifndef _XTENSA_PTRACE_H
 #define _XTENSA_PTRACE_H
 
-/*
- * Kernel stack
- *
- * 		+-----------------------+  -------- STACK_SIZE
- * 		|     register file     |  |
- * 		+-----------------------+  |
- * 		|    struct pt_regs     |  |
- * 		+-----------------------+  | ------ PT_REGS_OFFSET
- * double 	:  16 bytes spill area  :  |  ^
- * excetion 	:- - - - - - - - - - - -:  |  |
- * frame	:    struct pt_regs     :  |  |
- * 		:- - - - - - - - - - - -:  |  |
- * 		|                       |  |  |
- * 		|     memory stack      |  |  |
- * 		|                       |  |  |
- * 		~                       ~  ~  ~
- * 		~                       ~  ~  ~
- * 		|                       |  |  |
- * 		|                       |  |  |
- * 		+-----------------------+  |  | --- STACK_BIAS
- * 		|  struct task_struct   |  |  |  ^
- *  current --> +-----------------------+  |  |  |
- * 		|  struct thread_info   |  |  |  |
- *		+-----------------------+ --------
- */
-
-#define KERNEL_STACK_SIZE (2 * PAGE_SIZE)
-
-/*  Offsets for exception_handlers[] (3 x 64-entries x 4-byte tables). */
-
-#define EXC_TABLE_KSTK		0x004	/* Kernel Stack */
-#define EXC_TABLE_DOUBLE_SAVE	0x008	/* Double exception save area for a0 */
-#define EXC_TABLE_FIXUP		0x00c	/* Fixup handler */
-#define EXC_TABLE_PARAM		0x010	/* For passing a parameter to fixup */
-#define EXC_TABLE_SYSCALL_SAVE	0x014	/* For fast syscall handler */
-#define EXC_TABLE_FAST_USER	0x100	/* Fast user exception handler */
-#define EXC_TABLE_FAST_KERNEL	0x200	/* Fast kernel exception handler */
-#define EXC_TABLE_DEFAULT	0x300	/* Default C-Handler */
-#define EXC_TABLE_SIZE		0x400
+#include <uapi/asm/ptrace.h>
 
-/* Registers used by strace */
-
-#define REG_A_BASE	0x0000
-#define REG_AR_BASE	0x0100
-#define REG_PC		0x0020
-#define REG_PS		0x02e6
-#define REG_WB		0x0248
-#define REG_WS		0x0249
-#define REG_LBEG	0x0200
-#define REG_LEND	0x0201
-#define REG_LCOUNT	0x0202
-#define REG_SAR		0x0203
-
-#define SYSCALL_NR	0x00ff
-
-/* Other PTRACE_ values defined in <linux/ptrace.h> using values 0-9,16,17,24 */
-
-#define PTRACE_GETREGS		12
-#define PTRACE_SETREGS		13
-#define PTRACE_GETXTREGS	18
-#define PTRACE_SETXTREGS	19
-
-#ifdef __KERNEL__
 
 #ifndef __ASSEMBLY__
 
@@ -132,6 +70,4 @@ struct pt_regs {
 
 #endif	/* !__ASSEMBLY__ */
 
-#endif  /* __KERNEL__ */
-
 #endif	/* _XTENSA_PTRACE_H */

arch/xtensa/include/asm/regs.h

@@ -27,52 +27,15 @@
 
 /*  Special registers.  */
 
-#define LBEG		0
-#define LEND		1
-#define LCOUNT		2
-#define SAR		3
-#define BR		4
-#define SCOMPARE1	12
-#define ACCHI		16
-#define ACCLO		17
-#define MR		32
-#define WINDOWBASE	72
-#define WINDOWSTART	73
-#define PTEVADDR	83
-#define RASID		90
-#define ITLBCFG		91
-#define DTLBCFG		92
-#define IBREAKENABLE	96
-#define DDR		104
-#define IBREAKA		128
-#define DBREAKA		144
-#define DBREAKC		160
-#define EPC		176
-#define EPC_1		177
-#define DEPC		192
-#define EPS		192
-#define EPS_1		193
-#define EXCSAVE		208
-#define EXCSAVE_1	209
-#define INTERRUPT	226
-#define INTENABLE	228
-#define PS		230
-#define THREADPTR	231
-#define EXCCAUSE	232
-#define DEBUGCAUSE	233
-#define CCOUNT		234
-#define PRID		235
-#define ICOUNT		236
-#define ICOUNTLEVEL	237
-#define EXCVADDR	238
-#define CCOMPARE	240
-#define MISC_SR		244
-
-/*  Special names for read-only and write-only interrupt registers.  */
-
-#define INTREAD		226
-#define INTSET		226
-#define INTCLEAR	227
+#define SREG_MR			32
+#define SREG_IBREAKA		128
+#define SREG_DBREAKA		144
+#define SREG_DBREAKC		160
+#define SREG_EPC		176
+#define SREG_EPS		192
+#define SREG_EXCSAVE		208
+#define SREG_CCOMPARE		240
+#define SREG_MISC		244
 
 /*  EXCCAUSE register fields  */
 

arch/xtensa/include/asm/resource.h

@@ -1,16 +0,0 @@
-/*
- * include/asm-xtensa/resource.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) 2005 Tensilica Inc.
- */
-
-#ifndef _XTENSA_RESOURCE_H
-#define _XTENSA_RESOURCE_H
-
-#include <asm-generic/resource.h>
-
-#endif	/* _XTENSA_RESOURCE_H */

arch/xtensa/include/asm/scatterlist.h

@@ -1,16 +0,0 @@
-/*
- * include/asm-xtensa/scatterlist.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 - 2005 Tensilica Inc.
- */
-
-#ifndef _XTENSA_SCATTERLIST_H
-#define _XTENSA_SCATTERLIST_H
-
-#include <asm-generic/scatterlist.h>
-
-#endif	/* _XTENSA_SCATTERLIST_H */

arch/xtensa/include/asm/sections.h

@@ -1,16 +0,0 @@
-/*
- * include/asm-xtensa/sections.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 - 2005 Tensilica Inc.
- */
-
-#ifndef _XTENSA_SECTIONS_H
-#define _XTENSA_SECTIONS_H
-
-#include <asm-generic/sections.h>
-
-#endif	/* _XTENSA_SECTIONS_H */

arch/xtensa/include/asm/siginfo.h

@@ -1,16 +0,0 @@
-/*
- * include/asm-xtensa/siginfo.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 - 2005 Tensilica Inc.
- */
-
-#ifndef _XTENSA_SIGINFO_H
-#define _XTENSA_SIGINFO_H
-
-#include <asm-generic/siginfo.h>
-
-#endif	/* _XTENSA_SIGINFO_H */

arch/xtensa/include/asm/signal.h

@@ -9,117 +9,12 @@
  *
  * Copyright (C) 2001 - 2005 Tensilica Inc.
  */
-
 #ifndef _XTENSA_SIGNAL_H
 #define _XTENSA_SIGNAL_H
 
-
-#define _NSIG		64
-#define _NSIG_BPW	32
-#define _NSIG_WORDS	(_NSIG / _NSIG_BPW)
-
-#ifndef __ASSEMBLY__
-
-#include <linux/types.h>
-
-/* Avoid too many header ordering problems.  */
-struct siginfo;
-typedef unsigned long old_sigset_t;		/* at least 32 bits */
-typedef struct {
-	unsigned long sig[_NSIG_WORDS];
-} sigset_t;
-
-#endif
-
-#define SIGHUP		 1
-#define SIGINT		 2
-#define SIGQUIT		 3
-#define SIGILL		 4
-#define SIGTRAP		 5
-#define SIGABRT		 6
-#define SIGIOT		 6
-#define SIGBUS		 7
-#define SIGFPE		 8
-#define SIGKILL		 9
-#define SIGUSR1		10
-#define SIGSEGV		11
-#define SIGUSR2		12
-#define SIGPIPE		13
-#define SIGALRM		14
-#define SIGTERM		15
-#define SIGSTKFLT	16
-#define SIGCHLD		17
-#define SIGCONT		18
-#define SIGSTOP		19
-#define SIGTSTP		20
-#define SIGTTIN		21
-#define SIGTTOU		22
-#define SIGURG		23
-#define SIGXCPU		24
-#define SIGXFSZ		25
-#define SIGVTALRM	26
-#define SIGPROF		27
-#define SIGWINCH	28
-#define SIGIO		29
-#define SIGPOLL		SIGIO
-/* #define SIGLOST		29 */
-#define SIGPWR		30
-#define SIGSYS		31
-#define	SIGUNUSED	31
-
-/* These should not be considered constants from userland.  */
-#define SIGRTMIN	32
-#define SIGRTMAX	(_NSIG-1)
-
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP	0x00000001
-#define SA_NOCLDWAIT	0x00000002 /* not supported yet */
-#define SA_SIGINFO	0x00000004
-#define SA_ONSTACK	0x08000000
-#define SA_RESTART	0x10000000
-#define SA_NODEFER	0x40000000
-#define SA_RESETHAND	0x80000000
-
-#define SA_NOMASK	SA_NODEFER
-#define SA_ONESHOT	SA_RESETHAND
-
-#define SA_RESTORER	0x04000000
-
-/*
- * sigaltstack controls
- */
-#define SS_ONSTACK	1
-#define SS_DISABLE	2
-
-#define MINSIGSTKSZ	2048
-#define SIGSTKSZ	8192
+#include <uapi/asm/signal.h>
 
 #ifndef __ASSEMBLY__
-
-#define SIG_BLOCK          0	/* for blocking signals */
-#define SIG_UNBLOCK        1	/* for unblocking signals */
-#define SIG_SETMASK        2	/* for setting the signal mask */
-
-/* Type of a signal handler.  */
-typedef void (*__sighandler_t)(int);
-
-#define SIG_DFL	((__sighandler_t)0)	/* default signal handling */
-#define SIG_IGN	((__sighandler_t)1)	/* ignore signal */
-#define SIG_ERR	((__sighandler_t)-1)	/* error return from signal */
-
-#ifdef __KERNEL__
 struct sigaction {
 	__sighandler_t sa_handler;
 	unsigned long sa_flags;
@@ -131,35 +26,8 @@ struct k_sigaction {
 	struct sigaction sa;
 };
 
-#else
-
-/* Here we must cater to libcs that poke about in kernel headers.  */
-
-struct sigaction {
-	union {
-	  __sighandler_t _sa_handler;
-	  void (*_sa_sigaction)(int, struct siginfo *, void *);
-	} _u;
-	sigset_t sa_mask;
-	unsigned long sa_flags;
-	void (*sa_restorer)(void);
-};
-
-#define sa_handler	_u._sa_handler
-#define sa_sigaction	_u._sa_sigaction
-
-#endif /* __KERNEL__ */
-
-typedef struct sigaltstack {
-	void *ss_sp;
-	int ss_flags;
-	size_t ss_size;
-} stack_t;
-
-#ifdef __KERNEL__
 #include <asm/sigcontext.h>
 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
 
-#endif	/* __KERNEL__ */
 #endif	/* __ASSEMBLY__ */
 #endif	/* _XTENSA_SIGNAL_H */

arch/xtensa/include/asm/statfs.h

@@ -1,17 +0,0 @@
-/*
- * include/asm-xtensa/statfs.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) 2005 Tensilica Inc.
- */
-
-#ifndef _XTENSA_STATFS_H
-#define _XTENSA_STATFS_H
-
-#include <asm-generic/statfs.h>
-
-#endif	/* _XTENSA_STATFS_H */
-

arch/xtensa/include/asm/termios.h

@@ -1,105 +0,0 @@
-/*
- * include/asm-xtensa/termios.h
- *
- * Copied from SH.
- *
- * 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_TERMIOS_H
-#define _XTENSA_TERMIOS_H
-
-#include <asm/termbits.h>
-#include <asm/ioctls.h>
-
-struct winsize {
-	unsigned short ws_row;
-	unsigned short ws_col;
-	unsigned short ws_xpixel;
-	unsigned short ws_ypixel;
-};
-
-#define NCC 8
-struct termio {
-	unsigned short c_iflag;		/* input mode flags */
-	unsigned short c_oflag;		/* output mode flags */
-	unsigned short c_cflag;		/* control mode flags */
-	unsigned short c_lflag;		/* local mode flags */
-	unsigned char c_line;		/* line discipline */
-	unsigned char c_cc[NCC];	/* control characters */
-};
-
-/* Modem lines */
-
-#define TIOCM_LE	0x001
-#define TIOCM_DTR	0x002
-#define TIOCM_RTS	0x004
-#define TIOCM_ST	0x008
-#define TIOCM_SR	0x010
-#define TIOCM_CTS	0x020
-#define TIOCM_CAR	0x040
-#define TIOCM_RNG	0x080
-#define TIOCM_DSR	0x100
-#define TIOCM_CD	TIOCM_CAR
-#define TIOCM_RI	TIOCM_RNG
-#define TIOCM_OUT1	0x2000
-#define TIOCM_OUT2	0x4000
-#define TIOCM_LOOP	0x8000
-
-/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
-
-#ifdef __KERNEL__
-
-/*	intr=^C		quit=^\		erase=del	kill=^U
-	eof=^D		vtime=\0	vmin=\1		sxtc=\0
-	start=^Q	stop=^S		susp=^Z		eol=\0
-	reprint=^R	discard=^U	werase=^W	lnext=^V
-	eol2=\0
-*/
-#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
-
-/*
- * Translate a "termio" structure into a "termios". Ugh.
- */
-
-#define SET_LOW_TERMIOS_BITS(termios, termio, x) { \
-	unsigned short __tmp; \
-	get_user(__tmp,&(termio)->x); \
-	*(unsigned short *) &(termios)->x = __tmp; \
-}
-
-#define user_termio_to_kernel_termios(termios, termio) \
-({ \
-	SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \
-	SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \
-	SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \
-	SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \
-	copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
-})
-
-/*
- * Translate a "termios" structure into a "termio". Ugh.
- */
-
-#define kernel_termios_to_user_termio(termio, termios) \
-({ \
-	put_user((termios)->c_iflag, &(termio)->c_iflag); \
-	put_user((termios)->c_oflag, &(termio)->c_oflag); \
-	put_user((termios)->c_cflag, &(termio)->c_cflag); \
-	put_user((termios)->c_lflag, &(termio)->c_lflag); \
-	put_user((termios)->c_line,  &(termio)->c_line); \
-	copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
-})
-
-#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios2))
-#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2))
-#define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios))
-#define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios))
-
-#endif	/* __KERNEL__ */
-
-#endif	/* _XTENSA_TERMIOS_H */

arch/xtensa/include/asm/timex.h

@@ -63,10 +63,10 @@ extern cycles_t cacheflush_time;
  * Register access.
  */
 
-#define WSR_CCOUNT(r)	  asm volatile ("wsr %0,"__stringify(CCOUNT) :: "a" (r))
-#define RSR_CCOUNT(r)	  asm volatile ("rsr %0,"__stringify(CCOUNT) : "=a" (r))
-#define WSR_CCOMPARE(x,r) asm volatile ("wsr %0,"__stringify(CCOMPARE)"+"__stringify(x) :: "a"(r))
-#define RSR_CCOMPARE(x,r) asm volatile ("rsr %0,"__stringify(CCOMPARE)"+"__stringify(x) : "=a"(r))
+#define WSR_CCOUNT(r)	  asm volatile ("wsr %0, ccount" :: "a" (r))
+#define RSR_CCOUNT(r)	  asm volatile ("rsr %0, ccount" : "=a" (r))
+#define WSR_CCOMPARE(x,r) asm volatile ("wsr %0,"__stringify(SREG_CCOMPARE)"+"__stringify(x) :: "a"(r))
+#define RSR_CCOMPARE(x,r) asm volatile ("rsr %0,"__stringify(SREG_CCOMPARE)"+"__stringify(x) : "=a"(r))
 
 static inline unsigned long get_ccount (void)
 {

arch/xtensa/include/asm/tlbflush.h

@@ -86,26 +86,26 @@ static inline void invalidate_dtlb_entry_no_isync (unsigned entry)
 
 static inline void set_itlbcfg_register (unsigned long val)
 {
-	__asm__ __volatile__("wsr  %0, "__stringify(ITLBCFG)"\n\t" "isync\n\t"
+	__asm__ __volatile__("wsr  %0, itlbcfg\n\t" "isync\n\t"
 			     : : "a" (val));
 }
 
 static inline void set_dtlbcfg_register (unsigned long val)
 {
-	__asm__ __volatile__("wsr  %0, "__stringify(DTLBCFG)"; dsync\n\t"
+	__asm__ __volatile__("wsr  %0, dtlbcfg; dsync\n\t"
 	    		     : : "a" (val));
 }
 
 static inline void set_ptevaddr_register (unsigned long val)
 {
-	__asm__ __volatile__(" wsr  %0, "__stringify(PTEVADDR)"; isync\n"
+	__asm__ __volatile__(" wsr  %0, ptevaddr; isync\n"
 			     : : "a" (val));
 }
 
 static inline unsigned long read_ptevaddr_register (void)
 {
 	unsigned long tmp;
-	__asm__ __volatile__("rsr  %0, "__stringify(PTEVADDR)"\n\t" : "=a" (tmp));
+	__asm__ __volatile__("rsr  %0, ptevaddr\n\t" : "=a" (tmp));
 	return tmp;
 }
 

arch/xtensa/include/asm/topology.h

@@ -1,16 +0,0 @@
-/*
- * include/asm-xtensa/topology.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 - 2005 Tensilica Inc.
- */
-
-#ifndef _XTENSA_TOPOLOGY_H
-#define _XTENSA_TOPOLOGY_H
-
-#include <asm-generic/topology.h>
-
-#endif	/* _XTENSA_TOPOLOGY_H */

arch/xtensa/include/asm/types.h

@@ -7,30 +7,17 @@
  *
  * Copyright (C) 2001 - 2005 Tensilica Inc.
  */
-
 #ifndef _XTENSA_TYPES_H
 #define _XTENSA_TYPES_H
 
-#include <asm-generic/int-ll64.h>
-
-#ifdef __ASSEMBLY__
-# define __XTENSA_UL(x)		(x)
-# define __XTENSA_UL_CONST(x)	x
-#else
-# define __XTENSA_UL(x)		((unsigned long)(x))
-# define __XTENSA_UL_CONST(x)	x##UL
-#endif
+#include <uapi/asm/types.h>
 
 #ifndef __ASSEMBLY__
-
 /*
  * These aren't exported outside the kernel to avoid name space clashes
  */
-#ifdef __KERNEL__
 
 #define BITS_PER_LONG 32
 
-#endif	/* __KERNEL__ */
 #endif
-
 #endif	/* _XTENSA_TYPES_H */

arch/xtensa/include/asm/unistd.h

@@ -8,705 +8,8 @@
  * Copyright (C) 2001 - 2005 Tensilica Inc.
  */
 
-#ifndef _XTENSA_UNISTD_H
-#define _XTENSA_UNISTD_H
+#include <uapi/asm/unistd.h>
 
-#ifndef __SYSCALL
-# define __SYSCALL(nr,func,nargs)
-#endif
-
-#define __NR_spill				  0
-__SYSCALL(  0, sys_ni_syscall, 0)
-#define __NR_xtensa				  1
-__SYSCALL(  1, sys_ni_syscall, 0)
-#define __NR_available4				  2
-__SYSCALL(  2, sys_ni_syscall, 0)
-#define __NR_available5				  3
-__SYSCALL(  3, sys_ni_syscall, 0)
-#define __NR_available6				  4
-__SYSCALL(  4, sys_ni_syscall, 0)
-#define __NR_available7				  5
-__SYSCALL(  5, sys_ni_syscall, 0)
-#define __NR_available8				  6
-__SYSCALL(  6, sys_ni_syscall, 0)
-#define __NR_available9				  7
-__SYSCALL(  7, sys_ni_syscall, 0)
-
-/* File Operations */
-
-#define __NR_open 				  8
-__SYSCALL(  8, sys_open, 3)
-#define __NR_close 				  9
-__SYSCALL(  9, sys_close, 1)
-#define __NR_dup 				 10
-__SYSCALL( 10, sys_dup, 1)
-#define __NR_dup2 				 11
-__SYSCALL( 11, sys_dup2, 2)
-#define __NR_read 				 12
-__SYSCALL( 12, sys_read, 3)
-#define __NR_write 				 13
-__SYSCALL( 13, sys_write, 3)
-#define __NR_select 				 14
-__SYSCALL( 14, sys_select, 5)
-#define __NR_lseek 				 15
-__SYSCALL( 15, sys_lseek, 3)
-#define __NR_poll 				 16
-__SYSCALL( 16, sys_poll, 3)
-#define __NR__llseek				 17
-__SYSCALL( 17, sys_llseek, 5)
-#define __NR_epoll_wait 			 18
-__SYSCALL( 18, sys_epoll_wait, 4)
-#define __NR_epoll_ctl 				 19
-__SYSCALL( 19, sys_epoll_ctl, 4)
-#define __NR_epoll_create 			 20
-__SYSCALL( 20, sys_epoll_create, 1)
-#define __NR_creat 				 21
-__SYSCALL( 21, sys_creat, 2)
-#define __NR_truncate 				 22
-__SYSCALL( 22, sys_truncate, 2)
-#define __NR_ftruncate 				 23
-__SYSCALL( 23, sys_ftruncate, 2)
-#define __NR_readv 				 24
-__SYSCALL( 24, sys_readv, 3)
-#define __NR_writev 				 25
-__SYSCALL( 25, sys_writev, 3)
-#define __NR_fsync 				 26
-__SYSCALL( 26, sys_fsync, 1)
-#define __NR_fdatasync 				 27
-__SYSCALL( 27, sys_fdatasync, 1)
-#define __NR_truncate64 			 28
-__SYSCALL( 28, sys_truncate64, 2)
-#define __NR_ftruncate64 			 29
-__SYSCALL( 29, sys_ftruncate64, 2)
-#define __NR_pread64 				 30
-__SYSCALL( 30, sys_pread64, 6)
-#define __NR_pwrite64 				 31
-__SYSCALL( 31, sys_pwrite64, 6)
-
-#define __NR_link 				 32
-__SYSCALL( 32, sys_link, 2)
-#define __NR_rename 				 33
-__SYSCALL( 33, sys_rename, 2)
-#define __NR_symlink 				 34
-__SYSCALL( 34, sys_symlink, 2)
-#define __NR_readlink 				 35
-__SYSCALL( 35, sys_readlink, 3)
-#define __NR_mknod 				 36
-__SYSCALL( 36, sys_mknod, 3)
-#define __NR_pipe 				 37
-__SYSCALL( 37, sys_pipe, 1)
-#define __NR_unlink 				 38
-__SYSCALL( 38, sys_unlink, 1)
-#define __NR_rmdir 				 39
-__SYSCALL( 39, sys_rmdir, 1)
-
-#define __NR_mkdir 				 40
-__SYSCALL( 40, sys_mkdir, 2)
-#define __NR_chdir 				 41
-__SYSCALL( 41, sys_chdir, 1)
-#define __NR_fchdir 				 42
-__SYSCALL( 42, sys_fchdir, 1)
-#define __NR_getcwd 				 43
-__SYSCALL( 43, sys_getcwd, 2)
-
-#define __NR_chmod 				 44
-__SYSCALL( 44, sys_chmod, 2)
-#define __NR_chown 				 45
-__SYSCALL( 45, sys_chown, 3)
-#define __NR_stat 				 46
-__SYSCALL( 46, sys_newstat, 2)
-#define __NR_stat64 				 47
-__SYSCALL( 47, sys_stat64, 2)
-
-#define __NR_lchown 				 48
-__SYSCALL( 48, sys_lchown, 3)
-#define __NR_lstat 				 49
-__SYSCALL( 49, sys_newlstat, 2)
-#define __NR_lstat64 				 50
-__SYSCALL( 50, sys_lstat64, 2)
-#define __NR_available51			 51
-__SYSCALL( 51, sys_ni_syscall, 0)
-
-#define __NR_fchmod 				 52
-__SYSCALL( 52, sys_fchmod, 2)
-#define __NR_fchown 				 53
-__SYSCALL( 53, sys_fchown, 3)
-#define __NR_fstat 				 54
-__SYSCALL( 54, sys_newfstat, 2)
-#define __NR_fstat64 				 55
-__SYSCALL( 55, sys_fstat64, 2)
-
-#define __NR_flock 				 56
-__SYSCALL( 56, sys_flock, 2)
-#define __NR_access 				 57
-__SYSCALL( 57, sys_access, 2)
-#define __NR_umask 				 58
-__SYSCALL( 58, sys_umask, 1)
-#define __NR_getdents 				 59
-__SYSCALL( 59, sys_getdents, 3)
-#define __NR_getdents64 			 60
-__SYSCALL( 60, sys_getdents64, 3)
-#define __NR_fcntl64 				 61
-__SYSCALL( 61, sys_fcntl64, 3)
-#define __NR_available62			 62
-__SYSCALL( 62, sys_ni_syscall, 0)
-#define __NR_fadvise64_64 			 63
-__SYSCALL( 63, xtensa_fadvise64_64, 6)
-#define __NR_utime				 64	/* glibc 2.3.3 ?? */
-__SYSCALL( 64, sys_utime, 2)
-#define __NR_utimes 				 65
-__SYSCALL( 65, sys_utimes, 2)
-#define __NR_ioctl 				 66
-__SYSCALL( 66, sys_ioctl, 3)
-#define __NR_fcntl 				 67
-__SYSCALL( 67, sys_fcntl, 3)
-
-#define __NR_setxattr 				 68
-__SYSCALL( 68, sys_setxattr, 5)
-#define __NR_getxattr 				 69
-__SYSCALL( 69, sys_getxattr, 4)
-#define __NR_listxattr 				 70
-__SYSCALL( 70, sys_listxattr, 3)
-#define __NR_removexattr 			 71
-__SYSCALL( 71, sys_removexattr, 2)
-#define __NR_lsetxattr 				 72
-__SYSCALL( 72, sys_lsetxattr, 5)
-#define __NR_lgetxattr 				 73
-__SYSCALL( 73, sys_lgetxattr, 4)
-#define __NR_llistxattr 			 74
-__SYSCALL( 74, sys_llistxattr, 3)
-#define __NR_lremovexattr 			 75
-__SYSCALL( 75, sys_lremovexattr, 2)
-#define __NR_fsetxattr 				 76
-__SYSCALL( 76, sys_fsetxattr, 5)
-#define __NR_fgetxattr 				 77
-__SYSCALL( 77, sys_fgetxattr, 4)
-#define __NR_flistxattr 			 78
-__SYSCALL( 78, sys_flistxattr, 3)
-#define __NR_fremovexattr 			 79
-__SYSCALL( 79, sys_fremovexattr, 2)
-
-/* File Map / Shared Memory Operations */
-
-#define __NR_mmap2 				 80
-__SYSCALL( 80, sys_mmap_pgoff, 6)
-#define __NR_munmap 				 81
-__SYSCALL( 81, sys_munmap, 2)
-#define __NR_mprotect 				 82
-__SYSCALL( 82, sys_mprotect, 3)
-#define __NR_brk 				 83
-__SYSCALL( 83, sys_brk, 1)
-#define __NR_mlock 				 84
-__SYSCALL( 84, sys_mlock, 2)
-#define __NR_munlock 				 85
-__SYSCALL( 85, sys_munlock, 2)
-#define __NR_mlockall 				 86
-__SYSCALL( 86, sys_mlockall, 1)
-#define __NR_munlockall 			 87
-__SYSCALL( 87, sys_munlockall, 0)
-#define __NR_mremap 				 88
-__SYSCALL( 88, sys_mremap, 4)
-#define __NR_msync 				 89
-__SYSCALL( 89, sys_msync, 3)
-#define __NR_mincore 				 90
-__SYSCALL( 90, sys_mincore, 3)
-#define __NR_madvise 				 91
-__SYSCALL( 91, sys_madvise, 3)
-#define __NR_shmget				 92
-__SYSCALL( 92, sys_shmget, 4)
-#define __NR_shmat				 93
-__SYSCALL( 93, xtensa_shmat, 4)
-#define __NR_shmctl				 94
-__SYSCALL( 94, sys_shmctl, 4)
-#define __NR_shmdt				 95
-__SYSCALL( 95, sys_shmdt, 4)
-
-/* Socket Operations */
-
-#define __NR_socket 				 96
-__SYSCALL( 96, sys_socket, 3)
-#define __NR_setsockopt 			 97
-__SYSCALL( 97, sys_setsockopt, 5)
-#define __NR_getsockopt 			 98
-__SYSCALL( 98, sys_getsockopt, 5)
-#define __NR_shutdown 				 99
-__SYSCALL( 99, sys_shutdown, 2)
-
-#define __NR_bind 				100
-__SYSCALL(100, sys_bind, 3)
-#define __NR_connect 				101
-__SYSCALL(101, sys_connect, 3)
-#define __NR_listen 				102
-__SYSCALL(102, sys_listen, 2)
-#define __NR_accept 				103
-__SYSCALL(103, sys_accept, 3)
-
-#define __NR_getsockname 			104
-__SYSCALL(104, sys_getsockname, 3)
-#define __NR_getpeername 			105
-__SYSCALL(105, sys_getpeername, 3)
-#define __NR_sendmsg 				106
-__SYSCALL(106, sys_sendmsg, 3)
-#define __NR_recvmsg 				107
-__SYSCALL(107, sys_recvmsg, 3)
-#define __NR_send 				108
-__SYSCALL(108, sys_send, 4)
-#define __NR_recv 				109
-__SYSCALL(109, sys_recv, 4)
-#define __NR_sendto 				110
-__SYSCALL(110, sys_sendto, 6)
-#define __NR_recvfrom 				111
-__SYSCALL(111, sys_recvfrom, 6)
-
-#define __NR_socketpair 			112
-__SYSCALL(112, sys_socketpair, 4)
-#define __NR_sendfile 				113
-__SYSCALL(113, sys_sendfile, 4)
-#define __NR_sendfile64 			114
-__SYSCALL(114, sys_sendfile64, 4)
-#define __NR_available115			115
-__SYSCALL(115, sys_ni_syscall, 0)
-
-/* Process Operations */
-
-#define __NR_clone 				116
-__SYSCALL(116, xtensa_clone, 5)
-#define __NR_execve 				117
-__SYSCALL(117, xtensa_execve, 3)
-#define __NR_exit 				118
-__SYSCALL(118, sys_exit, 1)
-#define __NR_exit_group 			119
-__SYSCALL(119, sys_exit_group, 1)
-#define __NR_getpid 				120
-__SYSCALL(120, sys_getpid, 0)
-#define __NR_wait4 				121
-__SYSCALL(121, sys_wait4, 4)
-#define __NR_waitid 				122
-__SYSCALL(122, sys_waitid, 5)
-#define __NR_kill 				123
-__SYSCALL(123, sys_kill, 2)
-#define __NR_tkill 				124
-__SYSCALL(124, sys_tkill, 2)
-#define __NR_tgkill 				125
-__SYSCALL(125, sys_tgkill, 3)
-#define __NR_set_tid_address 			126
-__SYSCALL(126, sys_set_tid_address, 1)
-#define __NR_gettid 				127
-__SYSCALL(127, sys_gettid, 0)
-#define __NR_setsid 				128
-__SYSCALL(128, sys_setsid, 0)
-#define __NR_getsid 				129
-__SYSCALL(129, sys_getsid, 1)
-#define __NR_prctl 				130
-__SYSCALL(130, sys_prctl, 5)
-#define __NR_personality 			131
-__SYSCALL(131, sys_personality, 1)
-#define __NR_getpriority 			132
-__SYSCALL(132, sys_getpriority, 2)
-#define __NR_setpriority 			133
-__SYSCALL(133, sys_setpriority, 3)
-#define __NR_setitimer 				134
-__SYSCALL(134, sys_setitimer, 3)
-#define __NR_getitimer 				135
-__SYSCALL(135, sys_getitimer, 2)
-#define __NR_setuid 				136
-__SYSCALL(136, sys_setuid, 1)
-#define __NR_getuid 				137
-__SYSCALL(137, sys_getuid, 0)
-#define __NR_setgid 				138
-__SYSCALL(138, sys_setgid, 1)
-#define __NR_getgid 				139
-__SYSCALL(139, sys_getgid, 0)
-#define __NR_geteuid 				140
-__SYSCALL(140, sys_geteuid, 0)
-#define __NR_getegid 				141
-__SYSCALL(141, sys_getegid, 0)
-#define __NR_setreuid 				142
-__SYSCALL(142, sys_setreuid, 2)
-#define __NR_setregid 				143
-__SYSCALL(143, sys_setregid, 2)
-#define __NR_setresuid 				144
-__SYSCALL(144, sys_setresuid, 3)
-#define __NR_getresuid 				145
-__SYSCALL(145, sys_getresuid, 3)
-#define __NR_setresgid 				146
-__SYSCALL(146, sys_setresgid, 3)
-#define __NR_getresgid 				147
-__SYSCALL(147, sys_getresgid, 3)
-#define __NR_setpgid 				148
-__SYSCALL(148, sys_setpgid, 2)
-#define __NR_getpgid 				149
-__SYSCALL(149, sys_getpgid, 1)
-#define __NR_getppid 				150
-__SYSCALL(150, sys_getppid, 0)
-#define __NR_getpgrp				151
-__SYSCALL(151, sys_getpgrp, 0)
-
-#define __NR_reserved152 			152	/* set_thread_area */
-__SYSCALL(152, sys_ni_syscall, 0)
-#define __NR_reserved153 			153	/* get_thread_area */
-__SYSCALL(153, sys_ni_syscall, 0)
-#define __NR_times 				154
-__SYSCALL(154, sys_times, 1)
-#define __NR_acct 				155
-__SYSCALL(155, sys_acct, 1)
-#define __NR_sched_setaffinity 			156
-__SYSCALL(156, sys_sched_setaffinity, 3)
-#define __NR_sched_getaffinity 			157
-__SYSCALL(157, sys_sched_getaffinity, 3)
-#define __NR_capget 				158
-__SYSCALL(158, sys_capget, 2)
-#define __NR_capset 				159
-__SYSCALL(159, sys_capset, 2)
-#define __NR_ptrace 				160
-__SYSCALL(160, sys_ptrace, 4)
-#define __NR_semtimedop				161
-__SYSCALL(161, sys_semtimedop, 5)
-#define __NR_semget				162
-__SYSCALL(162, sys_semget, 4)
-#define __NR_semop				163
-__SYSCALL(163, sys_semop, 4)
-#define __NR_semctl				164
-__SYSCALL(164, sys_semctl, 4)
-#define __NR_available165			165
-__SYSCALL(165, sys_ni_syscall, 0)
-#define __NR_msgget				166
-__SYSCALL(166, sys_msgget, 4)
-#define __NR_msgsnd				167
-__SYSCALL(167, sys_msgsnd, 4)
-#define __NR_msgrcv				168
-__SYSCALL(168, sys_msgrcv, 4)
-#define __NR_msgctl				169
-__SYSCALL(169, sys_msgctl, 4)
-#define __NR_available170			170
-__SYSCALL(170, sys_ni_syscall, 0)
-#define __NR_available171			171
-__SYSCALL(171, sys_ni_syscall, 0)
-
-/* File System */
-
-#define __NR_mount 				172
-__SYSCALL(172, sys_mount, 5)
-#define __NR_swapon 				173
-__SYSCALL(173, sys_swapon, 2)
-#define __NR_chroot 				174
-__SYSCALL(174, sys_chroot, 1)
-#define __NR_pivot_root 			175
-__SYSCALL(175, sys_pivot_root, 2)
-#define __NR_umount 				176
-__SYSCALL(176, sys_umount, 2)
-#define __NR_swapoff 				177
-__SYSCALL(177, sys_swapoff, 1)
-#define __NR_sync 				178
-__SYSCALL(178, sys_sync, 0)
-#define __NR_available179			179
-__SYSCALL(179, sys_ni_syscall, 0)
-#define __NR_setfsuid 				180
-__SYSCALL(180, sys_setfsuid, 1)
-#define __NR_setfsgid 				181
-__SYSCALL(181, sys_setfsgid, 1)
-#define __NR_sysfs 				182
-__SYSCALL(182, sys_sysfs, 3)
-#define __NR_ustat 				183
-__SYSCALL(183, sys_ustat, 2)
-#define __NR_statfs 				184
-__SYSCALL(184, sys_statfs, 2)
-#define __NR_fstatfs 				185
-__SYSCALL(185, sys_fstatfs, 2)
-#define __NR_statfs64 				186
-__SYSCALL(186, sys_statfs64, 3)
-#define __NR_fstatfs64 				187
-__SYSCALL(187, sys_fstatfs64, 3)
-
-/* System */
-
-#define __NR_setrlimit 				188
-__SYSCALL(188, sys_setrlimit, 2)
-#define __NR_getrlimit 				189
-__SYSCALL(189, sys_getrlimit, 2)
-#define __NR_getrusage 				190
-__SYSCALL(190, sys_getrusage, 2)
-#define __NR_futex				191
-__SYSCALL(191, sys_futex, 5)
-#define __NR_gettimeofday 			192
-__SYSCALL(192, sys_gettimeofday, 2)
-#define __NR_settimeofday 			193
-__SYSCALL(193, sys_settimeofday, 2)
-#define __NR_adjtimex 				194
-__SYSCALL(194, sys_adjtimex, 1)
-#define __NR_nanosleep	 			195
-__SYSCALL(195, sys_nanosleep, 2)
-#define __NR_getgroups 				196
-__SYSCALL(196, sys_getgroups, 2)
-#define __NR_setgroups 				197
-__SYSCALL(197, sys_setgroups, 2)
-#define __NR_sethostname 			198
-__SYSCALL(198, sys_sethostname, 2)
-#define __NR_setdomainname 			199
-__SYSCALL(199, sys_setdomainname, 2)
-#define __NR_syslog 				200
-__SYSCALL(200, sys_syslog, 3)
-#define __NR_vhangup 				201
-__SYSCALL(201, sys_vhangup, 0)
-#define __NR_uselib 				202
-__SYSCALL(202, sys_uselib, 1)
-#define __NR_reboot 				203
-__SYSCALL(203, sys_reboot, 3)
-#define __NR_quotactl 				204
-__SYSCALL(204, sys_quotactl, 4)
-#define __NR_nfsservctl 			205
-__SYSCALL(205, sys_ni_syscall, 0)
-#define __NR__sysctl 				206
-__SYSCALL(206, sys_sysctl, 1)
-#define __NR_bdflush 				207
-__SYSCALL(207, sys_bdflush, 2)
-#define __NR_uname 				208
-__SYSCALL(208, sys_newuname, 1)
-#define __NR_sysinfo 				209
-__SYSCALL(209, sys_sysinfo, 1)
-#define __NR_init_module 			210
-__SYSCALL(210, sys_init_module, 2)
-#define __NR_delete_module 			211
-__SYSCALL(211, sys_delete_module, 1)
-
-#define __NR_sched_setparam 			212
-__SYSCALL(212, sys_sched_setparam, 2)
-#define __NR_sched_getparam 			213
-__SYSCALL(213, sys_sched_getparam, 2)
-#define __NR_sched_setscheduler 		214
-__SYSCALL(214, sys_sched_setscheduler, 3)
-#define __NR_sched_getscheduler 		215
-__SYSCALL(215, sys_sched_getscheduler, 1)
-#define __NR_sched_get_priority_max 		216
-__SYSCALL(216, sys_sched_get_priority_max, 1)
-#define __NR_sched_get_priority_min 		217
-__SYSCALL(217, sys_sched_get_priority_min, 1)
-#define __NR_sched_rr_get_interval 		218
-__SYSCALL(218, sys_sched_rr_get_interval, 2)
-#define __NR_sched_yield 			219
-__SYSCALL(219, sys_sched_yield, 0)
-#define __NR_available222 			222
-__SYSCALL(222, sys_ni_syscall, 0)
-
-/* Signal Handling */
-
-#define __NR_restart_syscall 			223
-__SYSCALL(223, sys_restart_syscall, 0)
-#define __NR_sigaltstack 			224
-__SYSCALL(224, xtensa_sigaltstack, 2)
-#define __NR_rt_sigreturn 			225
-__SYSCALL(225, xtensa_rt_sigreturn, 1)
-#define __NR_rt_sigaction 			226
-__SYSCALL(226, sys_rt_sigaction, 4)
-#define __NR_rt_sigprocmask 			227
-__SYSCALL(227, sys_rt_sigprocmask, 4)
-#define __NR_rt_sigpending 			228
-__SYSCALL(228, sys_rt_sigpending, 2)
-#define __NR_rt_sigtimedwait 			229
-__SYSCALL(229, sys_rt_sigtimedwait, 4)
-#define __NR_rt_sigqueueinfo 			230
-__SYSCALL(230, sys_rt_sigqueueinfo, 3)
-#define __NR_rt_sigsuspend 			231
-__SYSCALL(231, sys_rt_sigsuspend, 2)
-
-/* Message */
-
-#define __NR_mq_open 				232
-__SYSCALL(232, sys_mq_open, 4)
-#define __NR_mq_unlink 				233
-__SYSCALL(233, sys_mq_unlink, 1)
-#define __NR_mq_timedsend 			234
-__SYSCALL(234, sys_mq_timedsend, 5)
-#define __NR_mq_timedreceive 			235
-__SYSCALL(235, sys_mq_timedreceive, 5)
-#define __NR_mq_notify 				236
-__SYSCALL(236, sys_mq_notify, 2)
-#define __NR_mq_getsetattr 			237
-__SYSCALL(237, sys_mq_getsetattr, 3)
-#define __NR_available238			238
-__SYSCALL(238, sys_ni_syscall, 0)
-
-/* IO */
-
-#define __NR_io_setup 				239
-__SYSCALL(239, sys_io_setup, 2)
-#define __NR_io_destroy 			240
-__SYSCALL(240, sys_io_destroy, 1)
-#define __NR_io_submit 				241
-__SYSCALL(241, sys_io_submit, 3)
-#define __NR_io_getevents 			242
-__SYSCALL(242, sys_io_getevents, 5)
-#define __NR_io_cancel 				243
-__SYSCALL(243, sys_io_cancel, 3)
-#define __NR_clock_settime 			244
-__SYSCALL(244, sys_clock_settime, 2)
-#define __NR_clock_gettime 			245
-__SYSCALL(245, sys_clock_gettime, 2)
-#define __NR_clock_getres 			246
-__SYSCALL(246, sys_clock_getres, 2)
-#define __NR_clock_nanosleep 			247
-__SYSCALL(247, sys_clock_nanosleep, 4)
-
-/* Timer */
-
-#define __NR_timer_create 			248
-__SYSCALL(248, sys_timer_create, 3)
-#define __NR_timer_delete 			249
-__SYSCALL(249, sys_timer_delete, 1)
-#define __NR_timer_settime 			250
-__SYSCALL(250, sys_timer_settime, 4)
-#define __NR_timer_gettime 			251
-__SYSCALL(251, sys_timer_gettime, 2)
-#define __NR_timer_getoverrun 			252
-__SYSCALL(252, sys_timer_getoverrun, 1)
-
-/* System */
-
-#define __NR_reserved244 			253
-__SYSCALL(253, sys_ni_syscall, 0)
-#define __NR_lookup_dcookie 			254
-__SYSCALL(254, sys_lookup_dcookie, 4)
-#define __NR_available255			255
-__SYSCALL(255, sys_ni_syscall, 0)
-#define __NR_add_key 				256
-__SYSCALL(256, sys_add_key, 5)
-#define __NR_request_key 			257
-__SYSCALL(257, sys_request_key, 5)
-#define __NR_keyctl 				258
-__SYSCALL(258, sys_keyctl, 5)
-#define __NR_available259			259
-__SYSCALL(259, sys_ni_syscall, 0)
-
-
-#define __NR_readahead				260
-__SYSCALL(260, sys_readahead, 5)
-#define __NR_remap_file_pages			261
-__SYSCALL(261, sys_remap_file_pages, 5)
-#define __NR_migrate_pages			262
-__SYSCALL(262, sys_migrate_pages, 0)
-#define __NR_mbind				263
-__SYSCALL(263, sys_mbind, 6)
-#define __NR_get_mempolicy			264
-__SYSCALL(264, sys_get_mempolicy, 5)
-#define __NR_set_mempolicy			265
-__SYSCALL(265, sys_set_mempolicy, 3)
-#define __NR_unshare				266
-__SYSCALL(266, sys_unshare, 1)
-#define __NR_move_pages				267
-__SYSCALL(267, sys_move_pages, 0)
-#define __NR_splice				268
-__SYSCALL(268, sys_splice, 0)
-#define __NR_tee				269
-__SYSCALL(269, sys_tee, 0)
-#define __NR_vmsplice				270
-__SYSCALL(270, sys_vmsplice, 0)
-#define __NR_available271			271
-__SYSCALL(271, sys_ni_syscall, 0)
-
-#define __NR_pselect6				272
-__SYSCALL(272, sys_pselect6, 0)
-#define __NR_ppoll				273
-__SYSCALL(273, sys_ppoll, 0)
-#define __NR_epoll_pwait			274
-__SYSCALL(274, sys_epoll_pwait, 0)
-#define __NR_available275			275
-__SYSCALL(275, sys_ni_syscall, 0)
-
-#define __NR_inotify_init			276
-__SYSCALL(276, sys_inotify_init, 0)
-#define __NR_inotify_add_watch			277
-__SYSCALL(277, sys_inotify_add_watch, 3)
-#define __NR_inotify_rm_watch			278
-__SYSCALL(278, sys_inotify_rm_watch, 2)
-#define __NR_available279			279
-__SYSCALL(279, sys_ni_syscall, 0)
-
-#define __NR_getcpu				280
-__SYSCALL(280, sys_getcpu, 0)
-#define __NR_kexec_load				281
-__SYSCALL(281, sys_ni_syscall, 0)
-
-#define __NR_ioprio_set				282
-__SYSCALL(282, sys_ioprio_set, 2)
-#define __NR_ioprio_get				283
-__SYSCALL(283, sys_ioprio_get, 3)
-
-#define __NR_set_robust_list			284
-__SYSCALL(284, sys_set_robust_list, 3)
-#define __NR_get_robust_list			285
-__SYSCALL(285, sys_get_robust_list, 3)
-#define __NR_reserved286			286	/* sync_file_rangeX */
-__SYSCALL(286, sys_ni_syscall, 3)
-#define __NR_available287			287
-__SYSCALL(287, sys_faccessat, 0)
-
-/* Relative File Operations */
-
-#define __NR_openat				288
-__SYSCALL(288, sys_openat, 4)
-#define __NR_mkdirat				289
-__SYSCALL(289, sys_mkdirat, 3)
-#define __NR_mknodat				290
-__SYSCALL(290, sys_mknodat, 4)
-#define __NR_unlinkat				291
-__SYSCALL(291, sys_unlinkat, 3)
-#define __NR_renameat				292
-__SYSCALL(292, sys_renameat, 4)
-#define __NR_linkat				293
-__SYSCALL(293, sys_linkat, 5)
-#define __NR_symlinkat				294
-__SYSCALL(294, sys_symlinkat, 3)
-#define __NR_readlinkat				295
-__SYSCALL(295, sys_readlinkat, 4)
-#define __NR_utimensat				296
-__SYSCALL(296, sys_utimensat, 0)
-#define __NR_fchownat				297
-__SYSCALL(297, sys_fchownat, 5)
-#define __NR_futimesat				298
-__SYSCALL(298, sys_futimesat, 4)
-#define __NR_fstatat64				299
-__SYSCALL(299, sys_fstatat64, 0)
-#define __NR_fchmodat				300
-__SYSCALL(300, sys_fchmodat, 4)
-#define __NR_faccessat				301
-__SYSCALL(301, sys_faccessat, 4)
-#define __NR_available302			302
-__SYSCALL(302, sys_ni_syscall, 0)
-#define __NR_available303			303
-__SYSCALL(303, sys_ni_syscall, 0)
-
-#define __NR_signalfd				304
-__SYSCALL(304, sys_signalfd, 3)
-/*  305 was __NR_timerfd  */
-__SYSCALL(305, sys_ni_syscall, 0)
-#define __NR_eventfd				306
-__SYSCALL(306, sys_eventfd, 1)
-#define __NR_recvmmsg				307
-__SYSCALL(307, sys_recvmmsg, 5)
-#define __NR_setns				308
-__SYSCALL(308, sys_setns, 2)
-
-#define __NR_syscall_count			309
-
-/*
- * sysxtensa syscall handler
- *
- * 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
- */
-
-#define SYS_XTENSA_RESERVED               0     /* don't use this */
-#define SYS_XTENSA_ATOMIC_SET             1     /* set variable */
-#define SYS_XTENSA_ATOMIC_EXG_ADD         2     /* exchange memory and add */
-#define SYS_XTENSA_ATOMIC_ADD             3     /* add to memory */
-#define SYS_XTENSA_ATOMIC_CMP_SWP         4     /* compare and swap */
-
-#define SYS_XTENSA_COUNT                  5     /* count */
-
-#ifdef __KERNEL__
 
 /*
  * "Conditional" syscalls
@@ -734,6 +37,3 @@ __SYSCALL(308, sys_setns, 2)
 #define __IGNORE_mmap				/* use mmap2 */
 #define __IGNORE_vfork				/* use clone */
 #define __IGNORE_fadvise64			/* use fadvise64_64 */
-
-#endif	/* __KERNEL__ */
-#endif	/* _XTENSA_UNISTD_H */

arch/xtensa/include/asm/xor.h

@@ -1,16 +0,0 @@
-/*
- * include/asm-xtensa/xor.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 - 2005 Tensilica Inc.
- */
-
-#ifndef _XTENSA_XOR_H
-#define _XTENSA_XOR_H
-
-#include <asm-generic/xor.h>
-
-#endif

arch/xtensa/include/uapi/asm/Kbuild

@@ -1,3 +1,25 @@
 # UAPI Header export list
 include include/uapi/asm-generic/Kbuild.asm
 
+header-y += auxvec.h
+header-y += byteorder.h
+header-y += ioctls.h
+header-y += ipcbuf.h
+header-y += mman.h
+header-y += msgbuf.h
+header-y += param.h
+header-y += poll.h
+header-y += posix_types.h
+header-y += ptrace.h
+header-y += sembuf.h
+header-y += setup.h
+header-y += shmbuf.h
+header-y += sigcontext.h
+header-y += signal.h
+header-y += socket.h
+header-y += sockios.h
+header-y += stat.h
+header-y += swab.h
+header-y += termbits.h
+header-y += types.h
+header-y += unistd.h

arch/xtensa/include/uapi/asm/param.h

@@ -0,0 +1,30 @@
+/*
+ * include/asm-xtensa/param.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 - 2005 Tensilica Inc.
+ */
+
+#ifndef _UAPI_XTENSA_PARAM_H
+#define _UAPI_XTENSA_PARAM_H
+
+#ifndef __KERNEL__
+# define HZ		100
+#endif
+
+#define EXEC_PAGESIZE	4096
+
+#ifndef NGROUPS
+#define NGROUPS		32
+#endif
+
+#ifndef NOGROUP
+#define NOGROUP		(-1)
+#endif
+
+#define MAXHOSTNAMELEN	64	/* max length of hostname */
+
+#endif /* _UAPI_XTENSA_PARAM_H */

arch/xtensa/include/uapi/asm/ptrace.h

@@ -0,0 +1,77 @@
+/*
+ * include/asm-xtensa/ptrace.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 - 2005 Tensilica Inc.
+ */
+
+#ifndef _UAPI_XTENSA_PTRACE_H
+#define _UAPI_XTENSA_PTRACE_H
+
+/*
+ * Kernel stack
+ *
+ * 		+-----------------------+  -------- STACK_SIZE
+ * 		|     register file     |  |
+ * 		+-----------------------+  |
+ * 		|    struct pt_regs     |  |
+ * 		+-----------------------+  | ------ PT_REGS_OFFSET
+ * double 	:  16 bytes spill area  :  |  ^
+ * excetion 	:- - - - - - - - - - - -:  |  |
+ * frame	:    struct pt_regs     :  |  |
+ * 		:- - - - - - - - - - - -:  |  |
+ * 		|                       |  |  |
+ * 		|     memory stack      |  |  |
+ * 		|                       |  |  |
+ * 		~                       ~  ~  ~
+ * 		~                       ~  ~  ~
+ * 		|                       |  |  |
+ * 		|                       |  |  |
+ * 		+-----------------------+  |  | --- STACK_BIAS
+ * 		|  struct task_struct   |  |  |  ^
+ *  current --> +-----------------------+  |  |  |
+ * 		|  struct thread_info   |  |  |  |
+ *		+-----------------------+ --------
+ */
+
+#define KERNEL_STACK_SIZE (2 * PAGE_SIZE)
+
+/*  Offsets for exception_handlers[] (3 x 64-entries x 4-byte tables). */
+
+#define EXC_TABLE_KSTK		0x004	/* Kernel Stack */
+#define EXC_TABLE_DOUBLE_SAVE	0x008	/* Double exception save area for a0 */
+#define EXC_TABLE_FIXUP		0x00c	/* Fixup handler */
+#define EXC_TABLE_PARAM		0x010	/* For passing a parameter to fixup */
+#define EXC_TABLE_SYSCALL_SAVE	0x014	/* For fast syscall handler */
+#define EXC_TABLE_FAST_USER	0x100	/* Fast user exception handler */
+#define EXC_TABLE_FAST_KERNEL	0x200	/* Fast kernel exception handler */
+#define EXC_TABLE_DEFAULT	0x300	/* Default C-Handler */
+#define EXC_TABLE_SIZE		0x400
+
+/* Registers used by strace */
+
+#define REG_A_BASE	0x0000
+#define REG_AR_BASE	0x0100
+#define REG_PC		0x0020
+#define REG_PS		0x02e6
+#define REG_WB		0x0248
+#define REG_WS		0x0249
+#define REG_LBEG	0x0200
+#define REG_LEND	0x0201
+#define REG_LCOUNT	0x0202
+#define REG_SAR		0x0203
+
+#define SYSCALL_NR	0x00ff
+
+/* Other PTRACE_ values defined in <linux/ptrace.h> using values 0-9,16,17,24 */
+
+#define PTRACE_GETREGS		12
+#define PTRACE_SETREGS		13
+#define PTRACE_GETXTREGS	18
+#define PTRACE_SETXTREGS	19
+
+
+#endif /* _UAPI_XTENSA_PTRACE_H */

arch/xtensa/include/uapi/asm/signal.h

@@ -0,0 +1,148 @@
+/*
+ * include/asm-xtensa/signal.h
+ *
+ * Swiped from SH.
+ *
+ * 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 _UAPI_XTENSA_SIGNAL_H
+#define _UAPI_XTENSA_SIGNAL_H
+
+
+#define _NSIG		64
+#define _NSIG_BPW	32
+#define _NSIG_WORDS	(_NSIG / _NSIG_BPW)
+
+#ifndef __ASSEMBLY__
+
+#include <linux/types.h>
+
+/* Avoid too many header ordering problems.  */
+struct siginfo;
+typedef unsigned long old_sigset_t;		/* at least 32 bits */
+typedef struct {
+	unsigned long sig[_NSIG_WORDS];
+} sigset_t;
+
+#endif
+
+#define SIGHUP		 1
+#define SIGINT		 2
+#define SIGQUIT		 3
+#define SIGILL		 4
+#define SIGTRAP		 5
+#define SIGABRT		 6
+#define SIGIOT		 6
+#define SIGBUS		 7
+#define SIGFPE		 8
+#define SIGKILL		 9
+#define SIGUSR1		10
+#define SIGSEGV		11
+#define SIGUSR2		12
+#define SIGPIPE		13
+#define SIGALRM		14
+#define SIGTERM		15
+#define SIGSTKFLT	16
+#define SIGCHLD		17
+#define SIGCONT		18
+#define SIGSTOP		19
+#define SIGTSTP		20
+#define SIGTTIN		21
+#define SIGTTOU		22
+#define SIGURG		23
+#define SIGXCPU		24
+#define SIGXFSZ		25
+#define SIGVTALRM	26
+#define SIGPROF		27
+#define SIGWINCH	28
+#define SIGIO		29
+#define SIGPOLL		SIGIO
+/* #define SIGLOST		29 */
+#define SIGPWR		30
+#define SIGSYS		31
+#define	SIGUNUSED	31
+
+/* These should not be considered constants from userland.  */
+#define SIGRTMIN	32
+#define SIGRTMAX	(_NSIG-1)
+
+/*
+ * SA_FLAGS values:
+ *
+ * SA_ONSTACK indicates that a registered stack_t will be used.
+ * SA_RESTART flag to get restarting signals (which were the default long ago)
+ * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
+ * SA_RESETHAND clears the handler when the signal is delivered.
+ * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
+ * SA_NODEFER prevents the current signal from being masked in the handler.
+ *
+ * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
+ * Unix names RESETHAND and NODEFER respectively.
+ */
+#define SA_NOCLDSTOP	0x00000001
+#define SA_NOCLDWAIT	0x00000002 /* not supported yet */
+#define SA_SIGINFO	0x00000004
+#define SA_ONSTACK	0x08000000
+#define SA_RESTART	0x10000000
+#define SA_NODEFER	0x40000000
+#define SA_RESETHAND	0x80000000
+
+#define SA_NOMASK	SA_NODEFER
+#define SA_ONESHOT	SA_RESETHAND
+
+#define SA_RESTORER	0x04000000
+
+/*
+ * sigaltstack controls
+ */
+#define SS_ONSTACK	1
+#define SS_DISABLE	2
+
+#define MINSIGSTKSZ	2048
+#define SIGSTKSZ	8192
+
+#ifndef __ASSEMBLY__
+
+#define SIG_BLOCK          0	/* for blocking signals */
+#define SIG_UNBLOCK        1	/* for unblocking signals */
+#define SIG_SETMASK        2	/* for setting the signal mask */
+
+/* Type of a signal handler.  */
+typedef void (*__sighandler_t)(int);
+
+#define SIG_DFL	((__sighandler_t)0)	/* default signal handling */
+#define SIG_IGN	((__sighandler_t)1)	/* ignore signal */
+#define SIG_ERR	((__sighandler_t)-1)	/* error return from signal */
+
+#ifndef __KERNEL__
+
+/* Here we must cater to libcs that poke about in kernel headers.  */
+
+struct sigaction {
+	union {
+	  __sighandler_t _sa_handler;
+	  void (*_sa_sigaction)(int, struct siginfo *, void *);
+	} _u;
+	sigset_t sa_mask;
+	unsigned long sa_flags;
+	void (*sa_restorer)(void);
+};
+
+#define sa_handler	_u._sa_handler
+#define sa_sigaction	_u._sa_sigaction
+
+#endif /* __KERNEL__ */
+
+typedef struct sigaltstack {
+	void *ss_sp;
+	int ss_flags;
+	size_t ss_size;
+} stack_t;
+
+#endif	/* __ASSEMBLY__ */
+#endif /* _UAPI_XTENSA_SIGNAL_H */

arch/xtensa/include/uapi/asm/types.h

@@ -0,0 +1,28 @@
+/*
+ * include/asm-xtensa/types.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 - 2005 Tensilica Inc.
+ */
+
+#ifndef _UAPI_XTENSA_TYPES_H
+#define _UAPI_XTENSA_TYPES_H
+
+#include <asm-generic/int-ll64.h>
+
+#ifdef __ASSEMBLY__
+# define __XTENSA_UL(x)		(x)
+# define __XTENSA_UL_CONST(x)	x
+#else
+# define __XTENSA_UL(x)		((unsigned long)(x))
+# define __XTENSA_UL_CONST(x)	x##UL
+#endif
+
+#ifndef __ASSEMBLY__
+
+#endif
+
+#endif /* _UAPI_XTENSA_TYPES_H */

arch/xtensa/include/uapi/asm/unistd.h

@@ -0,0 +1,762 @@
+/*
+ * include/asm-xtensa/unistd.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 - 2012 Tensilica Inc.
+ */
+
+#ifndef _UAPI_XTENSA_UNISTD_H
+#define _UAPI_XTENSA_UNISTD_H
+
+#ifndef __SYSCALL
+# define __SYSCALL(nr,func,nargs)
+#endif
+
+#define __NR_spill				  0
+__SYSCALL(  0, sys_ni_syscall, 0)
+#define __NR_xtensa				  1
+__SYSCALL(  1, sys_ni_syscall, 0)
+#define __NR_available4				  2
+__SYSCALL(  2, sys_ni_syscall, 0)
+#define __NR_available5				  3
+__SYSCALL(  3, sys_ni_syscall, 0)
+#define __NR_available6				  4
+__SYSCALL(  4, sys_ni_syscall, 0)
+#define __NR_available7				  5
+__SYSCALL(  5, sys_ni_syscall, 0)
+#define __NR_available8				  6
+__SYSCALL(  6, sys_ni_syscall, 0)
+#define __NR_available9				  7
+__SYSCALL(  7, sys_ni_syscall, 0)
+
+/* File Operations */
+
+#define __NR_open 				  8
+__SYSCALL(  8, sys_open, 3)
+#define __NR_close 				  9
+__SYSCALL(  9, sys_close, 1)
+#define __NR_dup 				 10
+__SYSCALL( 10, sys_dup, 1)
+#define __NR_dup2 				 11
+__SYSCALL( 11, sys_dup2, 2)
+#define __NR_read 				 12
+__SYSCALL( 12, sys_read, 3)
+#define __NR_write 				 13
+__SYSCALL( 13, sys_write, 3)
+#define __NR_select 				 14
+__SYSCALL( 14, sys_select, 5)
+#define __NR_lseek 				 15
+__SYSCALL( 15, sys_lseek, 3)
+#define __NR_poll 				 16
+__SYSCALL( 16, sys_poll, 3)
+#define __NR__llseek				 17
+__SYSCALL( 17, sys_llseek, 5)
+#define __NR_epoll_wait 			 18
+__SYSCALL( 18, sys_epoll_wait, 4)
+#define __NR_epoll_ctl 				 19
+__SYSCALL( 19, sys_epoll_ctl, 4)
+#define __NR_epoll_create 			 20
+__SYSCALL( 20, sys_epoll_create, 1)
+#define __NR_creat 				 21
+__SYSCALL( 21, sys_creat, 2)
+#define __NR_truncate 				 22
+__SYSCALL( 22, sys_truncate, 2)
+#define __NR_ftruncate 				 23
+__SYSCALL( 23, sys_ftruncate, 2)
+#define __NR_readv 				 24
+__SYSCALL( 24, sys_readv, 3)
+#define __NR_writev 				 25
+__SYSCALL( 25, sys_writev, 3)
+#define __NR_fsync 				 26
+__SYSCALL( 26, sys_fsync, 1)
+#define __NR_fdatasync 				 27
+__SYSCALL( 27, sys_fdatasync, 1)
+#define __NR_truncate64 			 28
+__SYSCALL( 28, sys_truncate64, 2)
+#define __NR_ftruncate64 			 29
+__SYSCALL( 29, sys_ftruncate64, 2)
+#define __NR_pread64 				 30
+__SYSCALL( 30, sys_pread64, 6)
+#define __NR_pwrite64 				 31
+__SYSCALL( 31, sys_pwrite64, 6)
+
+#define __NR_link 				 32
+__SYSCALL( 32, sys_link, 2)
+#define __NR_rename 				 33
+__SYSCALL( 33, sys_rename, 2)
+#define __NR_symlink 				 34
+__SYSCALL( 34, sys_symlink, 2)
+#define __NR_readlink 				 35
+__SYSCALL( 35, sys_readlink, 3)
+#define __NR_mknod 				 36
+__SYSCALL( 36, sys_mknod, 3)
+#define __NR_pipe 				 37
+__SYSCALL( 37, sys_pipe, 1)
+#define __NR_unlink 				 38
+__SYSCALL( 38, sys_unlink, 1)
+#define __NR_rmdir 				 39
+__SYSCALL( 39, sys_rmdir, 1)
+
+#define __NR_mkdir 				 40
+__SYSCALL( 40, sys_mkdir, 2)
+#define __NR_chdir 				 41
+__SYSCALL( 41, sys_chdir, 1)
+#define __NR_fchdir 				 42
+__SYSCALL( 42, sys_fchdir, 1)
+#define __NR_getcwd 				 43
+__SYSCALL( 43, sys_getcwd, 2)
+
+#define __NR_chmod 				 44
+__SYSCALL( 44, sys_chmod, 2)
+#define __NR_chown 				 45
+__SYSCALL( 45, sys_chown, 3)
+#define __NR_stat 				 46
+__SYSCALL( 46, sys_newstat, 2)
+#define __NR_stat64 				 47
+__SYSCALL( 47, sys_stat64, 2)
+
+#define __NR_lchown 				 48
+__SYSCALL( 48, sys_lchown, 3)
+#define __NR_lstat 				 49
+__SYSCALL( 49, sys_newlstat, 2)
+#define __NR_lstat64 				 50
+__SYSCALL( 50, sys_lstat64, 2)
+#define __NR_available51			 51
+__SYSCALL( 51, sys_ni_syscall, 0)
+
+#define __NR_fchmod 				 52
+__SYSCALL( 52, sys_fchmod, 2)
+#define __NR_fchown 				 53
+__SYSCALL( 53, sys_fchown, 3)
+#define __NR_fstat 				 54
+__SYSCALL( 54, sys_newfstat, 2)
+#define __NR_fstat64 				 55
+__SYSCALL( 55, sys_fstat64, 2)
+
+#define __NR_flock 				 56
+__SYSCALL( 56, sys_flock, 2)
+#define __NR_access 				 57
+__SYSCALL( 57, sys_access, 2)
+#define __NR_umask 				 58
+__SYSCALL( 58, sys_umask, 1)
+#define __NR_getdents 				 59
+__SYSCALL( 59, sys_getdents, 3)
+#define __NR_getdents64 			 60
+__SYSCALL( 60, sys_getdents64, 3)
+#define __NR_fcntl64 				 61
+__SYSCALL( 61, sys_fcntl64, 3)
+#define __NR_fallocate				 62
+__SYSCALL( 62, sys_fallocate, 6)
+#define __NR_fadvise64_64 			 63
+__SYSCALL( 63, xtensa_fadvise64_64, 6)
+#define __NR_utime				 64	/* glibc 2.3.3 ?? */
+__SYSCALL( 64, sys_utime, 2)
+#define __NR_utimes 				 65
+__SYSCALL( 65, sys_utimes, 2)
+#define __NR_ioctl 				 66
+__SYSCALL( 66, sys_ioctl, 3)
+#define __NR_fcntl 				 67
+__SYSCALL( 67, sys_fcntl, 3)
+
+#define __NR_setxattr 				 68
+__SYSCALL( 68, sys_setxattr, 5)
+#define __NR_getxattr 				 69
+__SYSCALL( 69, sys_getxattr, 4)
+#define __NR_listxattr 				 70
+__SYSCALL( 70, sys_listxattr, 3)
+#define __NR_removexattr 			 71
+__SYSCALL( 71, sys_removexattr, 2)
+#define __NR_lsetxattr 				 72
+__SYSCALL( 72, sys_lsetxattr, 5)
+#define __NR_lgetxattr 				 73
+__SYSCALL( 73, sys_lgetxattr, 4)
+#define __NR_llistxattr 			 74
+__SYSCALL( 74, sys_llistxattr, 3)
+#define __NR_lremovexattr 			 75
+__SYSCALL( 75, sys_lremovexattr, 2)
+#define __NR_fsetxattr 				 76
+__SYSCALL( 76, sys_fsetxattr, 5)
+#define __NR_fgetxattr 				 77
+__SYSCALL( 77, sys_fgetxattr, 4)
+#define __NR_flistxattr 			 78
+__SYSCALL( 78, sys_flistxattr, 3)
+#define __NR_fremovexattr 			 79
+__SYSCALL( 79, sys_fremovexattr, 2)
+
+/* File Map / Shared Memory Operations */
+
+#define __NR_mmap2 				 80
+__SYSCALL( 80, sys_mmap_pgoff, 6)
+#define __NR_munmap 				 81
+__SYSCALL( 81, sys_munmap, 2)
+#define __NR_mprotect 				 82
+__SYSCALL( 82, sys_mprotect, 3)
+#define __NR_brk 				 83
+__SYSCALL( 83, sys_brk, 1)
+#define __NR_mlock 				 84
+__SYSCALL( 84, sys_mlock, 2)
+#define __NR_munlock 				 85
+__SYSCALL( 85, sys_munlock, 2)
+#define __NR_mlockall 				 86
+__SYSCALL( 86, sys_mlockall, 1)
+#define __NR_munlockall 			 87
+__SYSCALL( 87, sys_munlockall, 0)
+#define __NR_mremap 				 88
+__SYSCALL( 88, sys_mremap, 4)
+#define __NR_msync 				 89
+__SYSCALL( 89, sys_msync, 3)
+#define __NR_mincore 				 90
+__SYSCALL( 90, sys_mincore, 3)
+#define __NR_madvise 				 91
+__SYSCALL( 91, sys_madvise, 3)
+#define __NR_shmget				 92
+__SYSCALL( 92, sys_shmget, 4)
+#define __NR_shmat				 93
+__SYSCALL( 93, xtensa_shmat, 4)
+#define __NR_shmctl				 94
+__SYSCALL( 94, sys_shmctl, 4)
+#define __NR_shmdt				 95
+__SYSCALL( 95, sys_shmdt, 4)
+
+/* Socket Operations */
+
+#define __NR_socket 				 96
+__SYSCALL( 96, sys_socket, 3)
+#define __NR_setsockopt 			 97
+__SYSCALL( 97, sys_setsockopt, 5)
+#define __NR_getsockopt 			 98
+__SYSCALL( 98, sys_getsockopt, 5)
+#define __NR_shutdown 				 99
+__SYSCALL( 99, sys_shutdown, 2)
+
+#define __NR_bind 				100
+__SYSCALL(100, sys_bind, 3)
+#define __NR_connect 				101
+__SYSCALL(101, sys_connect, 3)
+#define __NR_listen 				102
+__SYSCALL(102, sys_listen, 2)
+#define __NR_accept 				103
+__SYSCALL(103, sys_accept, 3)
+
+#define __NR_getsockname 			104
+__SYSCALL(104, sys_getsockname, 3)
+#define __NR_getpeername 			105
+__SYSCALL(105, sys_getpeername, 3)
+#define __NR_sendmsg 				106
+__SYSCALL(106, sys_sendmsg, 3)
+#define __NR_recvmsg 				107
+__SYSCALL(107, sys_recvmsg, 3)
+#define __NR_send 				108
+__SYSCALL(108, sys_send, 4)
+#define __NR_recv 				109
+__SYSCALL(109, sys_recv, 4)
+#define __NR_sendto 				110
+__SYSCALL(110, sys_sendto, 6)
+#define __NR_recvfrom 				111
+__SYSCALL(111, sys_recvfrom, 6)
+
+#define __NR_socketpair 			112
+__SYSCALL(112, sys_socketpair, 4)
+#define __NR_sendfile 				113
+__SYSCALL(113, sys_sendfile, 4)
+#define __NR_sendfile64 			114
+__SYSCALL(114, sys_sendfile64, 4)
+#define __NR_sendmmsg				115
+__SYSCALL(115, sys_sendmmsg, 4)
+
+/* Process Operations */
+
+#define __NR_clone 				116
+__SYSCALL(116, xtensa_clone, 5)
+#define __NR_execve 				117
+__SYSCALL(117, xtensa_execve, 3)
+#define __NR_exit 				118
+__SYSCALL(118, sys_exit, 1)
+#define __NR_exit_group 			119
+__SYSCALL(119, sys_exit_group, 1)
+#define __NR_getpid 				120
+__SYSCALL(120, sys_getpid, 0)
+#define __NR_wait4 				121
+__SYSCALL(121, sys_wait4, 4)
+#define __NR_waitid 				122
+__SYSCALL(122, sys_waitid, 5)
+#define __NR_kill 				123
+__SYSCALL(123, sys_kill, 2)
+#define __NR_tkill 				124
+__SYSCALL(124, sys_tkill, 2)
+#define __NR_tgkill 				125
+__SYSCALL(125, sys_tgkill, 3)
+#define __NR_set_tid_address 			126
+__SYSCALL(126, sys_set_tid_address, 1)
+#define __NR_gettid 				127
+__SYSCALL(127, sys_gettid, 0)
+#define __NR_setsid 				128
+__SYSCALL(128, sys_setsid, 0)
+#define __NR_getsid 				129
+__SYSCALL(129, sys_getsid, 1)
+#define __NR_prctl 				130
+__SYSCALL(130, sys_prctl, 5)
+#define __NR_personality 			131
+__SYSCALL(131, sys_personality, 1)
+#define __NR_getpriority 			132
+__SYSCALL(132, sys_getpriority, 2)
+#define __NR_setpriority 			133
+__SYSCALL(133, sys_setpriority, 3)
+#define __NR_setitimer 				134
+__SYSCALL(134, sys_setitimer, 3)
+#define __NR_getitimer 				135
+__SYSCALL(135, sys_getitimer, 2)
+#define __NR_setuid 				136
+__SYSCALL(136, sys_setuid, 1)
+#define __NR_getuid 				137
+__SYSCALL(137, sys_getuid, 0)
+#define __NR_setgid 				138
+__SYSCALL(138, sys_setgid, 1)
+#define __NR_getgid 				139
+__SYSCALL(139, sys_getgid, 0)
+#define __NR_geteuid 				140
+__SYSCALL(140, sys_geteuid, 0)
+#define __NR_getegid 				141
+__SYSCALL(141, sys_getegid, 0)
+#define __NR_setreuid 				142
+__SYSCALL(142, sys_setreuid, 2)
+#define __NR_setregid 				143
+__SYSCALL(143, sys_setregid, 2)
+#define __NR_setresuid 				144
+__SYSCALL(144, sys_setresuid, 3)
+#define __NR_getresuid 				145
+__SYSCALL(145, sys_getresuid, 3)
+#define __NR_setresgid 				146
+__SYSCALL(146, sys_setresgid, 3)
+#define __NR_getresgid 				147
+__SYSCALL(147, sys_getresgid, 3)
+#define __NR_setpgid 				148
+__SYSCALL(148, sys_setpgid, 2)
+#define __NR_getpgid 				149
+__SYSCALL(149, sys_getpgid, 1)
+#define __NR_getppid 				150
+__SYSCALL(150, sys_getppid, 0)
+#define __NR_getpgrp				151
+__SYSCALL(151, sys_getpgrp, 0)
+
+#define __NR_reserved152 			152	/* set_thread_area */
+__SYSCALL(152, sys_ni_syscall, 0)
+#define __NR_reserved153 			153	/* get_thread_area */
+__SYSCALL(153, sys_ni_syscall, 0)
+#define __NR_times 				154
+__SYSCALL(154, sys_times, 1)
+#define __NR_acct 				155
+__SYSCALL(155, sys_acct, 1)
+#define __NR_sched_setaffinity 			156
+__SYSCALL(156, sys_sched_setaffinity, 3)
+#define __NR_sched_getaffinity 			157
+__SYSCALL(157, sys_sched_getaffinity, 3)
+#define __NR_capget 				158
+__SYSCALL(158, sys_capget, 2)
+#define __NR_capset 				159
+__SYSCALL(159, sys_capset, 2)
+#define __NR_ptrace 				160
+__SYSCALL(160, sys_ptrace, 4)
+#define __NR_semtimedop				161
+__SYSCALL(161, sys_semtimedop, 5)
+#define __NR_semget				162
+__SYSCALL(162, sys_semget, 4)
+#define __NR_semop				163
+__SYSCALL(163, sys_semop, 4)
+#define __NR_semctl				164
+__SYSCALL(164, sys_semctl, 4)
+#define __NR_available165			165
+__SYSCALL(165, sys_ni_syscall, 0)
+#define __NR_msgget				166
+__SYSCALL(166, sys_msgget, 4)
+#define __NR_msgsnd				167
+__SYSCALL(167, sys_msgsnd, 4)
+#define __NR_msgrcv				168
+__SYSCALL(168, sys_msgrcv, 4)
+#define __NR_msgctl				169
+__SYSCALL(169, sys_msgctl, 4)
+#define __NR_available170			170
+__SYSCALL(170, sys_ni_syscall, 0)
+
+/* File System */
+
+#define __NR_umount2				171
+__SYSCALL(171, sys_umount, 2)
+#define __NR_mount 				172
+__SYSCALL(172, sys_mount, 5)
+#define __NR_swapon 				173
+__SYSCALL(173, sys_swapon, 2)
+#define __NR_chroot 				174
+__SYSCALL(174, sys_chroot, 1)
+#define __NR_pivot_root 			175
+__SYSCALL(175, sys_pivot_root, 2)
+#define __NR_umount 				176
+__SYSCALL(176, sys_umount, 2)
+#define __NR_swapoff 				177
+__SYSCALL(177, sys_swapoff, 1)
+#define __NR_sync 				178
+__SYSCALL(178, sys_sync, 0)
+#define __NR_syncfs				179
+__SYSCALL(179, sys_syncfs, 1)
+#define __NR_setfsuid 				180
+__SYSCALL(180, sys_setfsuid, 1)
+#define __NR_setfsgid 				181
+__SYSCALL(181, sys_setfsgid, 1)
+#define __NR_sysfs 				182
+__SYSCALL(182, sys_sysfs, 3)
+#define __NR_ustat 				183
+__SYSCALL(183, sys_ustat, 2)
+#define __NR_statfs 				184
+__SYSCALL(184, sys_statfs, 2)
+#define __NR_fstatfs 				185
+__SYSCALL(185, sys_fstatfs, 2)
+#define __NR_statfs64 				186
+__SYSCALL(186, sys_statfs64, 3)
+#define __NR_fstatfs64 				187
+__SYSCALL(187, sys_fstatfs64, 3)
+
+/* System */
+
+#define __NR_setrlimit 				188
+__SYSCALL(188, sys_setrlimit, 2)
+#define __NR_getrlimit 				189
+__SYSCALL(189, sys_getrlimit, 2)
+#define __NR_getrusage 				190
+__SYSCALL(190, sys_getrusage, 2)
+#define __NR_futex				191
+__SYSCALL(191, sys_futex, 5)
+#define __NR_gettimeofday 			192
+__SYSCALL(192, sys_gettimeofday, 2)
+#define __NR_settimeofday 			193
+__SYSCALL(193, sys_settimeofday, 2)
+#define __NR_adjtimex 				194
+__SYSCALL(194, sys_adjtimex, 1)
+#define __NR_nanosleep	 			195
+__SYSCALL(195, sys_nanosleep, 2)
+#define __NR_getgroups 				196
+__SYSCALL(196, sys_getgroups, 2)
+#define __NR_setgroups 				197
+__SYSCALL(197, sys_setgroups, 2)
+#define __NR_sethostname 			198
+__SYSCALL(198, sys_sethostname, 2)
+#define __NR_setdomainname 			199
+__SYSCALL(199, sys_setdomainname, 2)
+#define __NR_syslog 				200
+__SYSCALL(200, sys_syslog, 3)
+#define __NR_vhangup 				201
+__SYSCALL(201, sys_vhangup, 0)
+#define __NR_uselib 				202
+__SYSCALL(202, sys_uselib, 1)
+#define __NR_reboot 				203
+__SYSCALL(203, sys_reboot, 3)
+#define __NR_quotactl 				204
+__SYSCALL(204, sys_quotactl, 4)
+#define __NR_nfsservctl 			205
+__SYSCALL(205, sys_ni_syscall, 0)			/* old nfsservctl */
+#define __NR__sysctl 				206
+__SYSCALL(206, sys_sysctl, 1)
+#define __NR_bdflush 				207
+__SYSCALL(207, sys_bdflush, 2)
+#define __NR_uname 				208
+__SYSCALL(208, sys_newuname, 1)
+#define __NR_sysinfo 				209
+__SYSCALL(209, sys_sysinfo, 1)
+#define __NR_init_module 			210
+__SYSCALL(210, sys_init_module, 2)
+#define __NR_delete_module 			211
+__SYSCALL(211, sys_delete_module, 1)
+
+#define __NR_sched_setparam 			212
+__SYSCALL(212, sys_sched_setparam, 2)
+#define __NR_sched_getparam 			213
+__SYSCALL(213, sys_sched_getparam, 2)
+#define __NR_sched_setscheduler 		214
+__SYSCALL(214, sys_sched_setscheduler, 3)
+#define __NR_sched_getscheduler 		215
+__SYSCALL(215, sys_sched_getscheduler, 1)
+#define __NR_sched_get_priority_max 		216
+__SYSCALL(216, sys_sched_get_priority_max, 1)
+#define __NR_sched_get_priority_min 		217
+__SYSCALL(217, sys_sched_get_priority_min, 1)
+#define __NR_sched_rr_get_interval 		218
+__SYSCALL(218, sys_sched_rr_get_interval, 2)
+#define __NR_sched_yield 			219
+__SYSCALL(219, sys_sched_yield, 0)
+#define __NR_available222 			222
+__SYSCALL(222, sys_ni_syscall, 0)
+
+/* Signal Handling */
+
+#define __NR_restart_syscall 			223
+__SYSCALL(223, sys_restart_syscall, 0)
+#define __NR_sigaltstack 			224
+__SYSCALL(224, xtensa_sigaltstack, 2)
+#define __NR_rt_sigreturn 			225
+__SYSCALL(225, xtensa_rt_sigreturn, 1)
+#define __NR_rt_sigaction 			226
+__SYSCALL(226, sys_rt_sigaction, 4)
+#define __NR_rt_sigprocmask 			227
+__SYSCALL(227, sys_rt_sigprocmask, 4)
+#define __NR_rt_sigpending 			228
+__SYSCALL(228, sys_rt_sigpending, 2)
+#define __NR_rt_sigtimedwait 			229
+__SYSCALL(229, sys_rt_sigtimedwait, 4)
+#define __NR_rt_sigqueueinfo 			230
+__SYSCALL(230, sys_rt_sigqueueinfo, 3)
+#define __NR_rt_sigsuspend 			231
+__SYSCALL(231, sys_rt_sigsuspend, 2)
+
+/* Message */
+
+#define __NR_mq_open 				232
+__SYSCALL(232, sys_mq_open, 4)
+#define __NR_mq_unlink 				233
+__SYSCALL(233, sys_mq_unlink, 1)
+#define __NR_mq_timedsend 			234
+__SYSCALL(234, sys_mq_timedsend, 5)
+#define __NR_mq_timedreceive 			235
+__SYSCALL(235, sys_mq_timedreceive, 5)
+#define __NR_mq_notify 				236
+__SYSCALL(236, sys_mq_notify, 2)
+#define __NR_mq_getsetattr 			237
+__SYSCALL(237, sys_mq_getsetattr, 3)
+#define __NR_available238			238
+__SYSCALL(238, sys_ni_syscall, 0)
+
+/* IO */
+
+#define __NR_io_setup 				239
+__SYSCALL(239, sys_io_setup, 2)
+#define __NR_io_destroy 			240
+__SYSCALL(240, sys_io_destroy, 1)
+#define __NR_io_submit 				241
+__SYSCALL(241, sys_io_submit, 3)
+#define __NR_io_getevents 			242
+__SYSCALL(242, sys_io_getevents, 5)
+#define __NR_io_cancel 				243
+__SYSCALL(243, sys_io_cancel, 3)
+#define __NR_clock_settime 			244
+__SYSCALL(244, sys_clock_settime, 2)
+#define __NR_clock_gettime 			245
+__SYSCALL(245, sys_clock_gettime, 2)
+#define __NR_clock_getres 			246
+__SYSCALL(246, sys_clock_getres, 2)
+#define __NR_clock_nanosleep 			247
+__SYSCALL(247, sys_clock_nanosleep, 4)
+
+/* Timer */
+
+#define __NR_timer_create 			248
+__SYSCALL(248, sys_timer_create, 3)
+#define __NR_timer_delete 			249
+__SYSCALL(249, sys_timer_delete, 1)
+#define __NR_timer_settime 			250
+__SYSCALL(250, sys_timer_settime, 4)
+#define __NR_timer_gettime 			251
+__SYSCALL(251, sys_timer_gettime, 2)
+#define __NR_timer_getoverrun 			252
+__SYSCALL(252, sys_timer_getoverrun, 1)
+
+/* System */
+
+#define __NR_reserved253			253
+__SYSCALL(253, sys_ni_syscall, 0)
+#define __NR_lookup_dcookie 			254
+__SYSCALL(254, sys_lookup_dcookie, 4)
+#define __NR_available255			255
+__SYSCALL(255, sys_ni_syscall, 0)
+#define __NR_add_key 				256
+__SYSCALL(256, sys_add_key, 5)
+#define __NR_request_key 			257
+__SYSCALL(257, sys_request_key, 5)
+#define __NR_keyctl 				258
+__SYSCALL(258, sys_keyctl, 5)
+#define __NR_available259			259
+__SYSCALL(259, sys_ni_syscall, 0)
+
+
+#define __NR_readahead				260
+__SYSCALL(260, sys_readahead, 5)
+#define __NR_remap_file_pages			261
+__SYSCALL(261, sys_remap_file_pages, 5)
+#define __NR_migrate_pages			262
+__SYSCALL(262, sys_migrate_pages, 0)
+#define __NR_mbind				263
+__SYSCALL(263, sys_mbind, 6)
+#define __NR_get_mempolicy			264
+__SYSCALL(264, sys_get_mempolicy, 5)
+#define __NR_set_mempolicy			265
+__SYSCALL(265, sys_set_mempolicy, 3)
+#define __NR_unshare				266
+__SYSCALL(266, sys_unshare, 1)
+#define __NR_move_pages				267
+__SYSCALL(267, sys_move_pages, 0)
+#define __NR_splice				268
+__SYSCALL(268, sys_splice, 0)
+#define __NR_tee				269
+__SYSCALL(269, sys_tee, 0)
+#define __NR_vmsplice				270
+__SYSCALL(270, sys_vmsplice, 0)
+#define __NR_available271			271
+__SYSCALL(271, sys_ni_syscall, 0)
+
+#define __NR_pselect6				272
+__SYSCALL(272, sys_pselect6, 0)
+#define __NR_ppoll				273
+__SYSCALL(273, sys_ppoll, 0)
+#define __NR_epoll_pwait			274
+__SYSCALL(274, sys_epoll_pwait, 0)
+#define __NR_epoll_create1		275
+__SYSCALL(275, sys_epoll_create1, 1)
+
+#define __NR_inotify_init			276
+__SYSCALL(276, sys_inotify_init, 0)
+#define __NR_inotify_add_watch			277
+__SYSCALL(277, sys_inotify_add_watch, 3)
+#define __NR_inotify_rm_watch			278
+__SYSCALL(278, sys_inotify_rm_watch, 2)
+#define __NR_inotify_init1			279
+__SYSCALL(279, sys_inotify_init1, 1)
+
+#define __NR_getcpu				280
+__SYSCALL(280, sys_getcpu, 0)
+#define __NR_kexec_load				281
+__SYSCALL(281, sys_ni_syscall, 0)
+
+#define __NR_ioprio_set				282
+__SYSCALL(282, sys_ioprio_set, 2)
+#define __NR_ioprio_get				283
+__SYSCALL(283, sys_ioprio_get, 3)
+
+#define __NR_set_robust_list			284
+__SYSCALL(284, sys_set_robust_list, 3)
+#define __NR_get_robust_list			285
+__SYSCALL(285, sys_get_robust_list, 3)
+#define __NR_available286			286
+__SYSCALL(286, sys_ni_syscall, 0)
+#define __NR_available287			287
+__SYSCALL(287, sys_ni_syscall, 0)
+
+/* Relative File Operations */
+
+#define __NR_openat				288
+__SYSCALL(288, sys_openat, 4)
+#define __NR_mkdirat				289
+__SYSCALL(289, sys_mkdirat, 3)
+#define __NR_mknodat				290
+__SYSCALL(290, sys_mknodat, 4)
+#define __NR_unlinkat				291
+__SYSCALL(291, sys_unlinkat, 3)
+#define __NR_renameat				292
+__SYSCALL(292, sys_renameat, 4)
+#define __NR_linkat				293
+__SYSCALL(293, sys_linkat, 5)
+#define __NR_symlinkat				294
+__SYSCALL(294, sys_symlinkat, 3)
+#define __NR_readlinkat				295
+__SYSCALL(295, sys_readlinkat, 4)
+#define __NR_utimensat				296
+__SYSCALL(296, sys_utimensat, 0)
+#define __NR_fchownat				297
+__SYSCALL(297, sys_fchownat, 5)
+#define __NR_futimesat				298
+__SYSCALL(298, sys_futimesat, 4)
+#define __NR_fstatat64				299
+__SYSCALL(299, sys_fstatat64, 0)
+#define __NR_fchmodat				300
+__SYSCALL(300, sys_fchmodat, 4)
+#define __NR_faccessat				301
+__SYSCALL(301, sys_faccessat, 4)
+#define __NR_available302			302
+__SYSCALL(302, sys_ni_syscall, 0)
+#define __NR_available303			303
+__SYSCALL(303, sys_ni_syscall, 0)
+
+#define __NR_signalfd				304
+__SYSCALL(304, sys_signalfd, 3)
+/*  305 was __NR_timerfd  */
+__SYSCALL(305, sys_ni_syscall, 0)
+#define __NR_eventfd				306
+__SYSCALL(306, sys_eventfd, 1)
+#define __NR_recvmmsg				307
+__SYSCALL(307, sys_recvmmsg, 5)
+
+#define __NR_setns				308
+__SYSCALL(308, sys_setns, 2)
+#define __NR_signalfd4				309
+__SYSCALL(309, sys_signalfd4, 4)
+#define __NR_dup3				310
+__SYSCALL(310, sys_dup3, 3)
+#define __NR_pipe2				311
+__SYSCALL(311, sys_pipe2, 2)
+
+#define __NR_timerfd_create			312
+__SYSCALL(312, sys_timerfd_create, 2)
+#define __NR_timerfd_settime			313
+__SYSCALL(313, sys_timerfd_settime, 4)
+#define __NR_timerfd_gettime			314
+__SYSCALL(314, sys_timerfd_gettime, 2)
+#define __NR_available315			315
+__SYSCALL(315, sys_ni_syscall, 0)
+
+#define __NR_eventfd2				316
+__SYSCALL(316, sys_eventfd2, 2)
+#define __NR_preadv				317
+__SYSCALL(317, sys_preadv, 5)
+#define __NR_pwritev				318
+__SYSCALL(318, sys_pwritev, 5)
+#define __NR_available319			319
+__SYSCALL(319, sys_ni_syscall, 0)
+
+#define __NR_fanotify_init			320
+__SYSCALL(320, sys_fanotify_init, 2)
+#define __NR_fanotify_mark			321
+__SYSCALL(321, sys_fanotify_mark, 6)
+#define __NR_process_vm_readv			322
+__SYSCALL(322, sys_process_vm_readv, 6)
+#define __NR_process_vm_writev			323
+__SYSCALL(323, sys_process_vm_writev, 6)
+
+#define __NR_name_to_handle_at			324
+__SYSCALL(324, sys_name_to_handle_at, 5)
+#define __NR_open_by_handle_at			325
+__SYSCALL(325, sys_open_by_handle_at, 3)
+#define __NR_sync_file_range			326
+__SYSCALL(326, sys_sync_file_range2, 6)
+#define __NR_perf_event_open			327
+__SYSCALL(327, sys_perf_event_open, 5)
+
+#define __NR_rt_tgsigqueueinfo			328
+__SYSCALL(328, sys_rt_tgsigqueueinfo, 4)
+#define __NR_clock_adjtime			329
+__SYSCALL(329, sys_clock_adjtime, 2)
+#define __NR_prlimit64				330
+__SYSCALL(330, sys_prlimit64, 4)
+#define __NR_kcmp				331
+__SYSCALL(331, sys_kcmp, 5)
+
+
+#define __NR_syscall_count			332
+
+/*
+ * sysxtensa syscall handler
+ *
+ * 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
+ */
+
+#define SYS_XTENSA_RESERVED               0     /* don't use this */
+#define SYS_XTENSA_ATOMIC_SET             1     /* set variable */
+#define SYS_XTENSA_ATOMIC_EXG_ADD         2     /* exchange memory and add */
+#define SYS_XTENSA_ATOMIC_ADD             3     /* add to memory */
+#define SYS_XTENSA_ATOMIC_CMP_SWP         4     /* compare and swap */
+
+#define SYS_XTENSA_COUNT                  5     /* count */
+
+#endif /* _UAPI_XTENSA_UNISTD_H */

arch/xtensa/kernel/align.S

@@ -170,15 +170,15 @@ ENTRY(fast_unaligned)
 	s32i	a7, a2, PT_AREG7
 	s32i	a8, a2, PT_AREG8
 
-	rsr	a0, DEPC
-	xsr	a3, EXCSAVE_1
+	rsr	a0, depc
+	xsr	a3, excsave1
 	s32i	a0, a2, PT_AREG2
 	s32i	a3, a2, PT_AREG3
 
 	/* Keep value of SAR in a0 */
 
-	rsr	a0, SAR
-	rsr	a8, EXCVADDR		# load unaligned memory address
+	rsr	a0, sar
+	rsr	a8, excvaddr		# load unaligned memory address
 
 	/* Now, identify one of the following load/store instructions.
 	 *
@@ -197,7 +197,7 @@ ENTRY(fast_unaligned)
 
 	/* Extract the instruction that caused the unaligned access. */
 
-	rsr	a7, EPC_1	# load exception address
+	rsr	a7, epc1	# load exception address
 	movi	a3, ~3
 	and	a3, a3, a7	# mask lower bits
 
@@ -275,16 +275,16 @@ ENTRY(fast_unaligned)
 1:
 
 #if XCHAL_HAVE_LOOPS
-	rsr	a5, LEND		# check if we reached LEND
+	rsr	a5, lend		# check if we reached LEND
 	bne	a7, a5, 1f
-	rsr	a5, LCOUNT		# and LCOUNT != 0
+	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	a5, LCOUNT
+	rsr	a7, lbeg		# set PC to LBEGIN
+	wsr	a5, lcount
 #endif
 
-1:	wsr	a7, EPC_1		# skip load instruction
+1:	wsr	a7, epc1		# skip load instruction
 	extui	a4, a4, INSN_T, 4	# extract target register
 	movi	a5, .Lload_table
 	addx8	a4, a4, a5
@@ -355,16 +355,16 @@ ENTRY(fast_unaligned)
 
 1:
 #if XCHAL_HAVE_LOOPS
-	rsr	a4, LEND		# check if we reached LEND
+	rsr	a4, lend		# check if we reached LEND
 	bne	a7, a4, 1f
-	rsr	a4, LCOUNT		# and LCOUNT != 0
+	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	a4, LCOUNT
+	rsr	a7, lbeg		# set PC to LBEGIN
+	wsr	a4, lcount
 #endif
 
-1:	wsr	a7, EPC_1		# skip store instruction
+1:	wsr	a7, epc1		# skip store instruction
 	movi	a4, ~3
 	and	a4, a4, a8		# align memory address
 
@@ -406,7 +406,7 @@ ENTRY(fast_unaligned)
 
 .Lexit:
 	movi	a4, 0
-	rsr	a3, EXCSAVE_1
+	rsr	a3, excsave1
 	s32i	a4, a3, EXC_TABLE_FIXUP
 
 	/* Restore working register */
@@ -420,7 +420,7 @@ ENTRY(fast_unaligned)
 
 	/* restore SAR and return */
 
-	wsr	a0, SAR
+	wsr	a0, sar
 	l32i	a0, a2, PT_AREG0
 	l32i	a2, a2, PT_AREG2
 	rfe
@@ -438,10 +438,10 @@ ENTRY(fast_unaligned)
 	l32i	a6, a2, PT_AREG6
 	l32i	a5, a2, PT_AREG5
 	l32i	a4, a2, PT_AREG4
-	wsr	a0, SAR
+	wsr	a0, sar
 	mov	a1, a2
 
-	rsr	a0, PS
+	rsr	a0, ps
         bbsi.l  a2, PS_UM_BIT, 1f     # jump if user mode
 
 	movi	a0, _kernel_exception

arch/xtensa/kernel/coprocessor.S

@@ -43,7 +43,7 @@
 /* IO protection is currently unsupported. */
 
 ENTRY(fast_io_protect)
-	wsr	a0, EXCSAVE_1
+	wsr	a0, excsave1
 	movi	a0, unrecoverable_exception
 	callx0	a0
 
@@ -220,7 +220,7 @@ ENTRY(coprocessor_restore)
  */
 
 ENTRY(fast_coprocessor_double)
-	wsr	a0, EXCSAVE_1
+	wsr	a0, excsave1
 	movi	a0, unrecoverable_exception
 	callx0	a0
 
@@ -229,13 +229,13 @@ ENTRY(fast_coprocessor)
 
 	/* Save remaining registers a1-a3 and SAR */
 
-	xsr	a3, EXCSAVE_1
+	xsr	a3, excsave1
 	s32i	a3, a2, PT_AREG3
-	rsr	a3, SAR
+	rsr	a3, sar
 	s32i	a1, a2, PT_AREG1
 	s32i	a3, a2, PT_SAR
 	mov	a1, a2
-	rsr	a2, DEPC
+	rsr	a2, depc
 	s32i	a2, a1, PT_AREG2
 
 	/*
@@ -248,17 +248,17 @@ ENTRY(fast_coprocessor)
 
 	/* Find coprocessor number. Subtract first CP EXCCAUSE from EXCCAUSE */
 
-	rsr	a3, EXCCAUSE
+	rsr	a3, exccause
 	addi	a3, a3, -EXCCAUSE_COPROCESSOR0_DISABLED
 
 	/* Set corresponding CPENABLE bit -> (sar:cp-index, a3: 1<<cp-index)*/
 
 	ssl	a3			# SAR: 32 - coprocessor_number
 	movi	a2, 1
-	rsr	a0, CPENABLE
+	rsr	a0, cpenable
 	sll	a2, a2
 	or	a0, a0, a2
-	wsr	a0, CPENABLE
+	wsr	a0, cpenable
 	rsync
 
 	/* Retrieve previous owner. (a3 still holds CP number) */
@@ -291,7 +291,7 @@ ENTRY(fast_coprocessor)
 
 	/* Note that only a0 and a1 were preserved. */
 
-2:	rsr	a3, EXCCAUSE
+2:	rsr	a3, exccause
 	addi	a3, a3, -EXCCAUSE_COPROCESSOR0_DISABLED
 	movi	a0, coprocessor_owner
 	addx4	a0, a3, a0
@@ -321,7 +321,7 @@ ENTRY(fast_coprocessor)
 	l32i	a0, a1, PT_SAR
 	l32i	a3, a1, PT_AREG3
 	l32i	a2, a1, PT_AREG2
-	wsr	a0, SAR
+	wsr	a0, sar
 	l32i	a0, a1, PT_AREG0
 	l32i	a1, a1, PT_AREG1
 

arch/xtensa/kernel/entry.S

@@ -112,8 +112,8 @@ ENTRY(user_exception)
 
 	/* Save a2, a3, and depc, restore excsave_1 and set SP. */
 
-	xsr	a3, EXCSAVE_1
-	rsr	a0, DEPC
+	xsr	a3, excsave1
+	rsr	a0, depc
 	s32i	a1, a2, PT_AREG1
 	s32i	a0, a2, PT_AREG2
 	s32i	a3, a2, PT_AREG3
@@ -125,16 +125,16 @@ _user_exception:
 	/* Save SAR and turn off single stepping */
 
 	movi	a2, 0
-	rsr	a3, SAR
-	xsr	a2, ICOUNTLEVEL
+	rsr	a3, sar
+	xsr	a2, icountlevel
 	s32i	a3, a1, PT_SAR
 	s32i	a2, a1, PT_ICOUNTLEVEL
 
 	/* Rotate ws so that the current windowbase is at bit0. */
 	/* Assume ws = xxwww1yyyy. Rotate ws right, so that a2 = yyyyxxwww1 */
 
-	rsr	a2, WINDOWBASE
-	rsr	a3, WINDOWSTART
+	rsr	a2, windowbase
+	rsr	a3, windowstart
 	ssr	a2
 	s32i	a2, a1, PT_WINDOWBASE
 	s32i	a3, a1, PT_WINDOWSTART
@@ -205,12 +205,12 @@ _user_exception:
 
 	/* WINDOWBASE still in SAR! */
 
-	rsr	a2, SAR			# original WINDOWBASE
+	rsr	a2, sar			# original WINDOWBASE
 	movi	a3, 1
 	ssl	a2
 	sll	a3, a3
-	wsr	a3, WINDOWSTART		# set corresponding WINDOWSTART bit
-	wsr	a2, WINDOWBASE		# and WINDOWSTART
+	wsr	a3, windowstart		# set corresponding WINDOWSTART bit
+	wsr	a2, windowbase		# and WINDOWSTART
 	rsync
 
 	/* We are back to the original stack pointer (a1) */
@@ -252,8 +252,8 @@ ENTRY(kernel_exception)
 
 	/* Save a0, a2, a3, DEPC and set SP. */
 
-	xsr	a3, EXCSAVE_1		# restore a3, excsave_1
-	rsr	a0, DEPC		# get a2
+	xsr	a3, excsave1		# restore a3, excsave_1
+	rsr	a0, depc		# get a2
 	s32i	a1, a2, PT_AREG1
 	s32i	a0, a2, PT_AREG2
 	s32i	a3, a2, PT_AREG3
@@ -265,16 +265,16 @@ _kernel_exception:
 	/* Save SAR and turn off single stepping */
 
 	movi	a2, 0
-	rsr	a3, SAR
-	xsr	a2, ICOUNTLEVEL
+	rsr	a3, sar
+	xsr	a2, icountlevel
 	s32i	a3, a1, PT_SAR
 	s32i	a2, a1, PT_ICOUNTLEVEL
 
 	/* Rotate ws so that the current windowbase is at bit0. */
 	/* Assume ws = xxwww1yyyy. Rotate ws right, so that a2 = yyyyxxwww1 */
 
-	rsr	a2, WINDOWBASE		# don't need to save these, we only
-	rsr	a3, WINDOWSTART		# need shifted windowstart: windowmask
+	rsr	a2, windowbase		# don't need to save these, we only
+	rsr	a3, windowstart		# need shifted windowstart: windowmask
 	ssr	a2
 	slli	a2, a3, 32-WSBITS
 	src	a2, a3, a2
@@ -323,24 +323,24 @@ common_exception:
 
 	/* Save some registers, disable loops and clear the syscall flag. */
 
-	rsr	a2, DEBUGCAUSE
-	rsr	a3, EPC_1
+	rsr	a2, debugcause
+	rsr	a3, epc1
 	s32i	a2, a1, PT_DEBUGCAUSE
 	s32i	a3, a1, PT_PC
 
 	movi	a2, -1
-	rsr	a3, EXCVADDR
+	rsr	a3, excvaddr
 	s32i	a2, a1, PT_SYSCALL
 	movi	a2, 0
 	s32i	a3, a1, PT_EXCVADDR
-	xsr	a2, LCOUNT
+	xsr	a2, lcount
 	s32i	a2, a1, PT_LCOUNT
 
 	/* It is now save to restore the EXC_TABLE_FIXUP variable. */
 
-	rsr	a0, EXCCAUSE
+	rsr	a0, exccause
 	movi	a3, 0
-	rsr	a2, EXCSAVE_1
+	rsr	a2, excsave1
 	s32i	a0, a1, PT_EXCCAUSE
 	s32i	a3, a2, EXC_TABLE_FIXUP
 
@@ -352,22 +352,22 @@ common_exception:
 	 *     (interrupts disabled) and if this exception is not an interrupt.
 	 */
 
-	rsr	a3, PS
+	rsr	a3, ps
 	addi	a0, a0, -4
 	movi	a2, 1
 	extui	a3, a3, 0, 1		# a3 = PS.INTLEVEL[0]
 	moveqz	a3, a2, a0		# a3 = 1 iff interrupt exception
 	movi	a2, 1 << PS_WOE_BIT
 	or	a3, a3, a2
-	rsr	a0, EXCCAUSE
-	xsr	a3, PS
+	rsr	a0, exccause
+	xsr	a3, ps
 
 	s32i	a3, a1, PT_PS		# save ps
 
-	/* Save LBEG, LEND */
+	/* Save lbeg, lend */
 
-	rsr	a2, LBEG
-	rsr	a3, LEND
+	rsr	a2, lbeg
+	rsr	a3, lend
 	s32i	a2, a1, PT_LBEG
 	s32i	a3, a1, PT_LEND
 
@@ -432,7 +432,7 @@ common_exception_return:
 
 	load_xtregs_opt a1 a2 a4 a5 a6 a7 PT_XTREGS_OPT
 
-	wsr	a3, PS		/* disable interrupts */
+	wsr	a3, ps		/* disable interrupts */
 
 	_bbci.l	a3, PS_UM_BIT, kernel_exception_exit
 
@@ -444,12 +444,12 @@ user_exception_exit:
 
 	l32i	a2, a1, PT_WINDOWBASE
 	l32i	a3, a1, PT_WINDOWSTART
-	wsr	a1, DEPC		# use DEPC as temp storage
-	wsr	a3, WINDOWSTART		# restore WINDOWSTART
+	wsr	a1, depc		# use DEPC as temp storage
+	wsr	a3, windowstart		# restore WINDOWSTART
 	ssr	a2			# preserve user's WB in the SAR
-	wsr	a2, WINDOWBASE		# switch to user's saved WB
+	wsr	a2, windowbase		# switch to user's saved WB
 	rsync
-	rsr	a1, DEPC		# restore stack pointer
+	rsr	a1, depc		# restore stack pointer
 	l32i	a2, a1, PT_WMASK	# register frames saved (in bits 4...9)
 	rotw	-1			# we restore a4..a7
 	_bltui	a6, 16, 1f		# only have to restore current window?
@@ -475,8 +475,8 @@ user_exception_exit:
 
 	/* Clear unrestored registers (don't leak anything to user-land */
 
-1:	rsr	a0, WINDOWBASE
-	rsr	a3, SAR
+1:	rsr	a0, windowbase
+	rsr	a3, sar
 	sub	a3, a0, a3
 	beqz	a3, 2f
 	extui	a3, a3, 0, WBBITS
@@ -556,7 +556,7 @@ kernel_exception_exit:
 
 	/* Test WINDOWSTART now. If spilled, do the movsp */
 
-	rsr     a3, WINDOWSTART
+	rsr     a3, windowstart
 	addi	a0, a3, -1
 	and     a3, a3, a0
 	_bnez	a3, common_exception_exit
@@ -604,24 +604,24 @@ common_exception_exit:
 
 1:	l32i	a2, a1, PT_PC
 	l32i	a3, a1, PT_SAR
-	wsr	a2, EPC_1
-	wsr	a3, SAR
+	wsr	a2, epc1
+	wsr	a3, sar
 
 	/* Restore LBEG, LEND, LCOUNT */
 
 	l32i	a2, a1, PT_LBEG
 	l32i	a3, a1, PT_LEND
-	wsr	a2, LBEG
+	wsr	a2, lbeg
 	l32i	a2, a1, PT_LCOUNT
-	wsr	a3, LEND
-	wsr	a2, LCOUNT
+	wsr	a3, lend
+	wsr	a2, lcount
 
 	/* We control single stepping through the ICOUNTLEVEL register. */
 
 	l32i	a2, a1, PT_ICOUNTLEVEL
 	movi	a3, -2
-	wsr	a2, ICOUNTLEVEL
-	wsr	a3, ICOUNT
+	wsr	a2, icountlevel
+	wsr	a3, icount
 
 	/* Check if it was double exception. */
 
@@ -636,7 +636,7 @@ common_exception_exit:
 	l32i	a1, a1, PT_AREG1
 	rfe
 
-1:	wsr	a0, DEPC
+1:	wsr	a0, depc
 	l32i	a0, a1, PT_AREG0
 	l32i	a1, a1, PT_AREG1
 	rfde
@@ -651,25 +651,25 @@ common_exception_exit:
 
 ENTRY(debug_exception)
 
-	rsr	a0, EPS + XCHAL_DEBUGLEVEL
+	rsr	a0, SREG_EPS + XCHAL_DEBUGLEVEL
 	bbsi.l	a0, PS_EXCM_BIT, 1f	# exception mode
 
-	/* Set EPC_1 and EXCCAUSE */
+	/* Set EPC1 and EXCCAUSE */
 
-	wsr	a2, DEPC		# save a2 temporarily
-	rsr	a2, EPC + XCHAL_DEBUGLEVEL
-	wsr	a2, EPC_1
+	wsr	a2, depc		# save a2 temporarily
+	rsr	a2, SREG_EPC + XCHAL_DEBUGLEVEL
+	wsr	a2, epc1
 
 	movi	a2, EXCCAUSE_MAPPED_DEBUG
-	wsr	a2, EXCCAUSE
+	wsr	a2, exccause
 
 	/* Restore PS to the value before the debug exc but with PS.EXCM set.*/
 
 	movi	a2, 1 << PS_EXCM_BIT
 	or	a2, a0, a2
 	movi	a0, debug_exception	# restore a3, debug jump vector
-	wsr	a2, PS
-	xsr	a0, EXCSAVE + XCHAL_DEBUGLEVEL
+	wsr	a2, ps
+	xsr	a0, SREG_EXCSAVE + XCHAL_DEBUGLEVEL
 
 	/* Switch to kernel/user stack, restore jump vector, and save a0 */
 
@@ -680,19 +680,19 @@ ENTRY(debug_exception)
 	movi	a0, 0
 	s32i	a1, a2, PT_AREG1
 	s32i	a0, a2, PT_DEPC		# mark it as a regular exception
-	xsr	a0, DEPC
+	xsr	a0, depc
 	s32i	a3, a2, PT_AREG3
 	s32i	a0, a2, PT_AREG2
 	mov	a1, a2
 	j	_kernel_exception
 
-2:	rsr	a2, EXCSAVE_1
+2:	rsr	a2, excsave1
 	l32i	a2, a2, EXC_TABLE_KSTK	# load kernel stack pointer
 	s32i	a0, a2, PT_AREG0
 	movi	a0, 0
 	s32i	a1, a2, PT_AREG1
 	s32i	a0, a2, PT_DEPC
-	xsr	a0, DEPC
+	xsr	a0, depc
 	s32i	a3, a2, PT_AREG3
 	s32i	a0, a2, PT_AREG2
 	mov	a1, a2
@@ -732,12 +732,12 @@ ENTRY(unrecoverable_exception)
 	movi	a0, 1
 	movi	a1, 0
 
-	wsr	a0, WINDOWSTART
-	wsr	a1, WINDOWBASE
+	wsr	a0, windowstart
+	wsr	a1, windowbase
 	rsync
 
 	movi	a1, (1 << PS_WOE_BIT) | 1
-	wsr	a1, PS
+	wsr	a1, ps
 	rsync
 
 	movi	a1, init_task
@@ -793,7 +793,7 @@ ENTRY(fast_alloca)
 	l32i	a0, a2, PT_DEPC
 	_bgeui	a0, VALID_DOUBLE_EXCEPTION_ADDRESS, .Lunhandled_double
 
-	rsr	a0, DEPC		# get a2
+	rsr	a0, depc		# get a2
 	s32i	a4, a2, PT_AREG4	# save a4 and
 	s32i	a0, a2, PT_AREG2	# a2 to stack
 
@@ -804,8 +804,8 @@ ENTRY(fast_alloca)
 
 	/* Restore a3, excsave_1 */
 
-	xsr	a3, EXCSAVE_1		# make sure excsave_1 is valid for dbl.
-	rsr	a4, EPC_1		# get exception address
+	xsr	a3, excsave1		# make sure excsave_1 is valid for dbl.
+	rsr	a4, epc1		# get exception address
 	s32i	a3, a2, PT_AREG3	# save a3 to stack
 
 #ifdef ALLOCA_EXCEPTION_IN_IRAM
@@ -820,7 +820,7 @@ ENTRY(fast_alloca)
 	jx	a3
 
 .Lunhandled_double:
-	wsr	a0, EXCSAVE_1
+	wsr	a0, excsave1
 	movi	a0, unrecoverable_exception
 	callx0	a0
 
@@ -852,7 +852,7 @@ ENTRY(fast_alloca)
 #endif
 	addi	a4, a4, 3		# step over movsp
 	_EXTUI_MOVSP_DST(a0)		# extract destination register
-	wsr	a4, EPC_1		# save new epc_1
+	wsr	a4, epc1		# save new epc_1
 
 	_bnei	a0, 1, 1f		# no 'movsp a1, ax': jump
 
@@ -953,14 +953,14 @@ ENTRY(fast_syscall_kernel)
 
 	/* Skip syscall. */
 
-	rsr	a0, EPC_1
+	rsr	a0, epc1
 	addi	a0, a0, 3
-	wsr	a0, EPC_1
+	wsr	a0, epc1
 
 	l32i	a0, a2, PT_DEPC
 	bgeui	a0, VALID_DOUBLE_EXCEPTION_ADDRESS, fast_syscall_unrecoverable
 
-	rsr	a0, DEPC			# get syscall-nr
+	rsr	a0, depc			# get syscall-nr
 	_beqz	a0, fast_syscall_spill_registers
 	_beqi	a0, __NR_xtensa, fast_syscall_xtensa
 
@@ -970,14 +970,14 @@ ENTRY(fast_syscall_user)
 
 	/* Skip syscall. */
 
-	rsr	a0, EPC_1
+	rsr	a0, epc1
 	addi	a0, a0, 3
-	wsr	a0, EPC_1
+	wsr	a0, epc1
 
 	l32i	a0, a2, PT_DEPC
 	bgeui	a0, VALID_DOUBLE_EXCEPTION_ADDRESS, fast_syscall_unrecoverable
 
-	rsr	a0, DEPC			# get syscall-nr
+	rsr	a0, depc			# get syscall-nr
 	_beqz	a0, fast_syscall_spill_registers
 	_beqi	a0, __NR_xtensa, fast_syscall_xtensa
 
@@ -988,10 +988,10 @@ ENTRY(fast_syscall_unrecoverable)
         /* Restore all states. */
 
         l32i    a0, a2, PT_AREG0        # restore a0
-        xsr     a2, DEPC                # restore a2, depc
-        rsr     a3, EXCSAVE_1
+        xsr     a2, depc                # restore a2, depc
+        rsr     a3, excsave1
 
-        wsr     a0, EXCSAVE_1
+        wsr     a0, excsave1
         movi    a0, unrecoverable_exception
         callx0  a0
 
@@ -1047,7 +1047,7 @@ ENTRY(fast_syscall_unrecoverable)
 
 ENTRY(fast_syscall_xtensa)
 
-	xsr	a3, EXCSAVE_1		# restore a3, excsave1
+	xsr	a3, excsave1		# restore a3, excsave1
 
 	s32i	a7, a2, PT_AREG7	# we need an additional register
 	movi	a7, 4			# sizeof(unsigned int)
@@ -1124,13 +1124,13 @@ ENTRY(fast_syscall_spill_registers)
 
 	movi	a0, fast_syscall_spill_registers_fixup
 	s32i	a0, a3, EXC_TABLE_FIXUP
-	rsr	a0, WINDOWBASE
+	rsr	a0, windowbase
 	s32i	a0, a3, EXC_TABLE_PARAM
 
 	/* Save a3 and SAR on stack. */
 
-	rsr	a0, SAR
-	xsr	a3, EXCSAVE_1		# restore a3 and excsave_1
+	rsr	a0, sar
+	xsr	a3, excsave1		# restore a3 and excsave_1
 	s32i	a3, a2, PT_AREG3
 	s32i	a4, a2, PT_AREG4
 	s32i	a0, a2, PT_AREG5	# store SAR to PT_AREG5
@@ -1148,7 +1148,7 @@ ENTRY(fast_syscall_spill_registers)
 	l32i	a3, a2, PT_AREG5
 	l32i	a4, a2, PT_AREG4
 	l32i	a0, a2, PT_AREG0
-	wsr	a3, SAR
+	wsr	a3, sar
 	l32i	a3, a2, PT_AREG3
 
 	/* Restore clobbered registers. */
@@ -1173,8 +1173,8 @@ ENTRY(fast_syscall_spill_registers)
 
 fast_syscall_spill_registers_fixup:
 
-	rsr	a2, WINDOWBASE	# get current windowbase (a2 is saved)
-	xsr	a0, DEPC	# restore depc and a0
+	rsr	a2, windowbase	# get current windowbase (a2 is saved)
+	xsr	a0, depc	# restore depc and a0
 	ssl	a2		# set shift (32 - WB)
 
 	/* We need to make sure the current registers (a0-a3) are preserved.
@@ -1182,12 +1182,12 @@ fast_syscall_spill_registers_fixup:
 	 * in WS, so that the exception handlers save them to the task stack.
 	 */
 
-	rsr	a3, EXCSAVE_1	# get spill-mask
+	rsr	a3, excsave1	# get spill-mask
 	slli	a2, a3, 1	# shift left by one
 
 	slli	a3, a2, 32-WSBITS
 	src	a2, a2, a3	# a1 = xxwww1yyxxxwww1yy......
-	wsr	a2, WINDOWSTART	# set corrected windowstart
+	wsr	a2, windowstart	# set corrected windowstart
 
 	movi	a3, exc_table
 	l32i	a2, a3, EXC_TABLE_DOUBLE_SAVE	# restore a2
@@ -1201,7 +1201,7 @@ fast_syscall_spill_registers_fixup:
 	 * excsave_1:	a3
 	 */
 
-	wsr	a3, WINDOWBASE
+	wsr	a3, windowbase
 	rsync
 
 	/* We are now in the original frame when we entered _spill_registers:
@@ -1227,7 +1227,7 @@ fast_syscall_spill_registers_fixup:
 	/* Jump to the exception handler. */
 
 	movi	a3, exc_table
-	rsr	a0, EXCCAUSE
+	rsr	a0, exccause
         addx4	a0, a0, a3              	# find entry in table
         l32i	a0, a0, EXC_TABLE_FAST_USER     # load handler
         jx	a0
@@ -1236,28 +1236,28 @@ fast_syscall_spill_registers_fixup_return:
 
 	/* When we return here, all registers have been restored (a2: DEPC) */
 
-	wsr	a2, DEPC		# exception address
+	wsr	a2, depc		# exception address
 
 	/* Restore fixup handler. */
 
-	xsr	a3, EXCSAVE_1
+	xsr	a3, excsave1
 	movi	a2, fast_syscall_spill_registers_fixup
 	s32i	a2, a3, EXC_TABLE_FIXUP
-	rsr	a2, WINDOWBASE
+	rsr	a2, windowbase
 	s32i	a2, a3, EXC_TABLE_PARAM
 	l32i	a2, a3, EXC_TABLE_KSTK
 
 	/* Load WB at the time the exception occurred. */
 
-	rsr	a3, SAR			# WB is still in SAR
+	rsr	a3, sar			# WB is still in SAR
 	neg	a3, a3
-	wsr	a3, WINDOWBASE
+	wsr	a3, windowbase
 	rsync
 
 	/* Restore a3 and return. */
 
 	movi	a3, exc_table
-	xsr	a3, EXCSAVE_1
+	xsr	a3, excsave1
 
 	rfde
 
@@ -1283,8 +1283,8 @@ ENTRY(_spill_registers)
 	 * Rotate ws right so that a4 = yyxxxwww1.
 	 */
 
-	rsr	a4, WINDOWBASE
-	rsr	a3, WINDOWSTART		# a3 = xxxwww1yy
+	rsr	a4, windowbase
+	rsr	a3, windowstart		# a3 = xxxwww1yy
 	ssr	a4			# holds WB
 	slli	a4, a3, WSBITS
 	or	a3, a3, a4		# a3 = xxxwww1yyxxxwww1yy
@@ -1302,7 +1302,7 @@ ENTRY(_spill_registers)
 
 	/* Skip empty frames - get 'oldest' WINDOWSTART-bit. */
 
-	wsr	a3, WINDOWSTART		# save shifted windowstart
+	wsr	a3, windowstart		# save shifted windowstart
 	neg	a4, a3
 	and	a3, a4, a3		# first bit set from right: 000010000
 
@@ -1311,12 +1311,12 @@ ENTRY(_spill_registers)
 	sub	a4, a3, a4		# WSBITS-a4:number of 0-bits from right
 	ssr	a4			# save in SAR for later.
 
-	rsr	a3, WINDOWBASE
+	rsr	a3, windowbase
 	add	a3, a3, a4
-	wsr	a3, WINDOWBASE
+	wsr	a3, windowbase
 	rsync
 
-	rsr	a3, WINDOWSTART
+	rsr	a3, windowstart
 	srl	a3, a3			# shift windowstart
 
 	/* WB is now just one frame below the oldest frame in the register
@@ -1364,11 +1364,11 @@ ENTRY(_spill_registers)
 .Lexit: /* Done. Do the final rotation, set WS, and return. */
 
 	rotw	1
-	rsr	a3, WINDOWBASE
+	rsr	a3, windowbase
 	ssl	a3
 	movi	a3, 1
 	sll	a3, a3
-	wsr	a3, WINDOWSTART
+	wsr	a3, windowstart
 	ret
 
 .Lc4:	s32e	a4, a9, -16
@@ -1429,7 +1429,7 @@ ENTRY(_spill_registers)
 	 * however, this condition is unrecoverable in kernel space.
 	 */
 
-	rsr	a0, PS
+	rsr	a0, ps
 	_bbci.l	a0, PS_UM_BIT, 1f
 
  	/* User space: Setup a dummy frame and kill application.
@@ -1439,18 +1439,18 @@ ENTRY(_spill_registers)
 	movi	a0, 1
 	movi	a1, 0
 
-	wsr	a0, WINDOWSTART
-	wsr	a1, WINDOWBASE
+	wsr	a0, windowstart
+	wsr	a1, windowbase
 	rsync
 
 	movi	a0, 0
 
 	movi	a3, exc_table
 	l32i	a1, a3, EXC_TABLE_KSTK
-	wsr	a3, EXCSAVE_1
+	wsr	a3, excsave1
 
 	movi	a4, (1 << PS_WOE_BIT) | 1
-	wsr	a4, PS
+	wsr	a4, ps
 	rsync
 
 	movi	a6, SIGSEGV
@@ -1459,7 +1459,7 @@ ENTRY(_spill_registers)
 
 1:	/* Kernel space: PANIC! */
 
-	wsr	a0, EXCSAVE_1
+	wsr	a0, excsave1
 	movi	a0, unrecoverable_exception
 	callx0	a0		# should not return
 1:	j	1b
@@ -1524,7 +1524,7 @@ ENTRY(fast_second_level_miss)
 
 	/* We deliberately destroy a3 that holds the exception table. */
 
-8:	rsr	a3, EXCVADDR		# fault address
+8:	rsr	a3, excvaddr		# fault address
 	_PGD_OFFSET(a0, a3, a1)
 	l32i	a0, a0, 0		# read pmdval
 	beqz	a0, 2f
@@ -1542,7 +1542,7 @@ ENTRY(fast_second_level_miss)
 	 * pteval = ((pmdval - PAGE_OFFSET) & PAGE_MASK) | PAGE_DIRECTORY
 	 */
 
-	movi	a1, -PAGE_OFFSET
+	movi	a1, (-PAGE_OFFSET) & 0xffffffff
 	add	a0, a0, a1		# pmdval - PAGE_OFFSET
 	extui	a1, a0, 0, PAGE_SHIFT	# ... & PAGE_MASK
 	xor	a0, a0, a1
@@ -1561,7 +1561,7 @@ ENTRY(fast_second_level_miss)
 	 */
 
 	extui	a3, a3, 28, 2		# addr. bit 28 and 29	0,1,2,3
-	rsr	a1, PTEVADDR
+	rsr	a1, ptevaddr
 	addx2	a3, a3, a3		# ->			0,3,6,9
 	srli	a1, a1, PAGE_SHIFT
 	extui	a3, a3, 2, 2		# ->			0,0,1,2
@@ -1583,18 +1583,18 @@ ENTRY(fast_second_level_miss)
 	l32i	a0, a2, PT_AREG0
 	l32i	a1, a2, PT_AREG1
 	l32i	a2, a2, PT_DEPC
-	xsr	a3, EXCSAVE_1
+	xsr	a3, excsave1
 
 	bgeui	a2, VALID_DOUBLE_EXCEPTION_ADDRESS, 1f
 
 	/* Restore excsave1 and return. */
 
-	rsr	a2, DEPC
+	rsr	a2, depc
 	rfe
 
 	/* Return from double exception. */
 
-1:	xsr	a2, DEPC
+1:	xsr	a2, depc
 	esync
 	rfde
 
@@ -1618,7 +1618,7 @@ ENTRY(fast_second_level_miss)
 	/* Make sure the exception originated in the special functions */
 
 	movi	a0, __tlbtemp_mapping_start
-	rsr	a3, EPC_1
+	rsr	a3, epc1
 	bltu	a3, a0, 2f
 	movi	a0, __tlbtemp_mapping_end
 	bgeu	a3, a0, 2f
@@ -1626,7 +1626,7 @@ ENTRY(fast_second_level_miss)
 	/* Check if excvaddr was in one of the TLBTEMP_BASE areas. */
 
 	movi	a3, TLBTEMP_BASE_1
-	rsr	a0, EXCVADDR
+	rsr	a0, excvaddr
 	bltu	a0, a3, 2f
 
 	addi	a1, a0, -(2 << (DCACHE_ALIAS_ORDER + PAGE_SHIFT))
@@ -1635,7 +1635,7 @@ ENTRY(fast_second_level_miss)
 	/* Check if we have to restore an ITLB mapping. */
 
 	movi	a1, __tlbtemp_mapping_itlb
-	rsr	a3, EPC_1
+	rsr	a3, epc1
 	sub	a3, a3, a1
 
 	/* Calculate VPN */
@@ -1671,13 +1671,13 @@ ENTRY(fast_second_level_miss)
 2:	/* Invalid PGD, default exception handling */
 
 	movi	a3, exc_table
-	rsr	a1, DEPC
-	xsr	a3, EXCSAVE_1
+	rsr	a1, depc
+	xsr	a3, excsave1
 	s32i	a1, a2, PT_AREG2
 	s32i	a3, a2, PT_AREG3
 	mov	a1, a2
 
-	rsr	a2, PS
+	rsr	a2, ps
 	bbsi.l	a2, PS_UM_BIT, 1f
 	j	_kernel_exception
 1:	j	_user_exception
@@ -1712,7 +1712,7 @@ ENTRY(fast_store_prohibited)
 	l32i	a0, a1, TASK_MM		# tsk->mm
 	beqz	a0, 9f
 
-8:	rsr	a1, EXCVADDR		# fault address
+8:	rsr	a1, excvaddr		# fault address
 	_PGD_OFFSET(a0, a1, a4)
 	l32i	a0, a0, 0
 	beqz	a0, 2f
@@ -1725,7 +1725,7 @@ ENTRY(fast_store_prohibited)
 
 	movi	a1, _PAGE_ACCESSED | _PAGE_DIRTY | _PAGE_HW_WRITE
 	or	a4, a4, a1
-	rsr	a1, EXCVADDR
+	rsr	a1, excvaddr
 	s32i	a4, a0, 0
 
 	/* We need to flush the cache if we have page coloring. */
@@ -1749,15 +1749,15 @@ ENTRY(fast_store_prohibited)
 
 	/* Restore excsave1 and a3. */
 
-	xsr	a3, EXCSAVE_1
+	xsr	a3, excsave1
 	bgeui	a2, VALID_DOUBLE_EXCEPTION_ADDRESS, 1f
 
-	rsr	a2, DEPC
+	rsr	a2, depc
 	rfe
 
 	/* Double exception. Restore FIXUP handler and return. */
 
-1:	xsr	a2, DEPC
+1:	xsr	a2, depc
 	esync
 	rfde
 
@@ -1766,14 +1766,14 @@ ENTRY(fast_store_prohibited)
 
 2:	/* If there was a problem, handle fault in C */
 
-	rsr	a4, DEPC	# still holds a2
-	xsr	a3, EXCSAVE_1
+	rsr	a4, depc	# still holds a2
+	xsr	a3, excsave1
 	s32i	a4, a2, PT_AREG2
 	s32i	a3, a2, PT_AREG3
 	l32i	a4, a2, PT_AREG4
 	mov	a1, a2
 
-	rsr	a2, PS
+	rsr	a2, ps
 	bbsi.l	a2, PS_UM_BIT, 1f
 	j	_kernel_exception
 1:	j	_user_exception
@@ -1901,8 +1901,8 @@ ENTRY(_switch_to)
 	/* Disable ints while we manipulate the stack pointer. */
 
 	movi	a14, (1 << PS_EXCM_BIT) | LOCKLEVEL
-	xsr	a14, PS
-	rsr	a3, EXCSAVE_1
+	xsr	a14, ps
+	rsr	a3, excsave1
 	rsync
 	s32i	a3, a3, EXC_TABLE_FIXUP	/* enter critical section */
 
@@ -1910,7 +1910,7 @@ ENTRY(_switch_to)
 
 #if (XTENSA_HAVE_COPROCESSORS || XTENSA_HAVE_IO_PORTS)
 	l32i	a3, a5, THREAD_CPENABLE
-	xsr	a3, CPENABLE
+	xsr	a3, cpenable
 	s32i	a3, a4, THREAD_CPENABLE
 #endif
 
@@ -1924,7 +1924,7 @@ ENTRY(_switch_to)
 	 *       we return from kernel space.
 	 */
 
-	rsr	a3, EXCSAVE_1		# exc_table
+	rsr	a3, excsave1		# exc_table
 	movi	a6, 0
 	addi	a7, a5, PT_REGS_OFFSET
 	s32i	a6, a3, EXC_TABLE_FIXUP
@@ -1937,7 +1937,7 @@ ENTRY(_switch_to)
 
 	load_xtregs_user a5 a6 a8 a9 a10 a11 THREAD_XTREGS_USER
 
-	wsr	a14, PS
+	wsr	a14, ps
 	mov	a2, a12			# return 'prev'
 	rsync
 

arch/xtensa/kernel/head.S

@@ -61,18 +61,18 @@ _startup:
 	/* Disable interrupts and exceptions. */
 
 	movi	a0, LOCKLEVEL
-	wsr	a0, PS
+	wsr	a0, ps
 
 	/* Preserve the pointer to the boot parameter list in EXCSAVE_1 */
 
-	wsr	a2, EXCSAVE_1
+	wsr	a2, excsave1
 
 	/* Start with a fresh windowbase and windowstart.  */
 
 	movi	a1, 1
 	movi	a0, 0
-	wsr	a1, WINDOWSTART
-	wsr	a0, WINDOWBASE
+	wsr	a1, windowstart
+	wsr	a0, windowbase
 	rsync
 
 	/* Set a0 to 0 for the remaining initialization. */
@@ -82,46 +82,46 @@ _startup:
 	/* Clear debugging registers. */
 
 #if XCHAL_HAVE_DEBUG
-	wsr	a0, IBREAKENABLE
-	wsr	a0, ICOUNT
+	wsr	a0, ibreakenable
+	wsr	a0, icount
 	movi	a1, 15
-	wsr	a0, ICOUNTLEVEL
+	wsr	a0, icountlevel
 
 	.set	_index, 0
 	.rept	XCHAL_NUM_DBREAK - 1
-	wsr	a0, DBREAKC + _index
+	wsr	a0, SREG_DBREAKC + _index
 	.set	_index, _index + 1
 	.endr
 #endif
 
 	/* Clear CCOUNT (not really necessary, but nice) */
 
-	wsr	a0, CCOUNT	# not really necessary, but nice
+	wsr	a0, ccount	# not really necessary, but nice
 
 	/* Disable zero-loops. */
 
 #if XCHAL_HAVE_LOOPS
-	wsr	a0, LCOUNT
+	wsr	a0, lcount
 #endif
 
 	/* Disable all timers. */
 
 	.set	_index, 0
 	.rept	XCHAL_NUM_TIMERS - 1
-	wsr	a0, CCOMPARE + _index
+	wsr	a0, SREG_CCOMPARE + _index
 	.set	_index, _index + 1
 	.endr
 
 	/* Interrupt initialization. */
 
 	movi	a2, XCHAL_INTTYPE_MASK_SOFTWARE | XCHAL_INTTYPE_MASK_EXTERN_EDGE
-	wsr	a0, INTENABLE
-	wsr	a2, INTCLEAR
+	wsr	a0, intenable
+	wsr	a2, intclear
 
 	/* Disable coprocessors. */
 
 #if XCHAL_CP_NUM > 0
-	wsr	a0, CPENABLE
+	wsr	a0, cpenable
 #endif
 
 	/* Set PS.INTLEVEL=1, PS.WOE=0, kernel stack, PS.EXCM=0
@@ -132,7 +132,7 @@ _startup:
 	 */
 
 	movi	a1, 1
-	wsr	a1, PS
+	wsr	a1, ps
 	rsync
 
 	/*  Initialize the caches.
@@ -206,18 +206,18 @@ _startup:
 	addi	a1, a1, KERNEL_STACK_SIZE
 
 	movi	a2, 0x00040001		# WOE=1, INTLEVEL=1, UM=0
-	wsr	a2, PS			# (enable reg-windows; progmode stack)
+	wsr	a2, ps			# (enable reg-windows; progmode stack)
 	rsync
 
 	/* Set up EXCSAVE[DEBUGLEVEL] to point to the Debug Exception Handler.*/
 
 	movi	a2, debug_exception
-	wsr	a2, EXCSAVE + XCHAL_DEBUGLEVEL
+	wsr	a2, SREG_EXCSAVE + XCHAL_DEBUGLEVEL
 
 	/* Set up EXCSAVE[1] to point to the exc_table. */
 
 	movi	a6, exc_table
-	xsr	a6, EXCSAVE_1
+	xsr	a6, excsave1
 
 	/* init_arch kick-starts the linux kernel */
 

arch/xtensa/kernel/irq.c

@@ -72,13 +72,13 @@ int arch_show_interrupts(struct seq_file *p, int prec)
 static void xtensa_irq_mask(struct irq_data *d)
 {
 	cached_irq_mask &= ~(1 << d->irq);
-	set_sr (cached_irq_mask, INTENABLE);
+	set_sr (cached_irq_mask, intenable);
 }
 
 static void xtensa_irq_unmask(struct irq_data *d)
 {
 	cached_irq_mask |= 1 << d->irq;
-	set_sr (cached_irq_mask, INTENABLE);
+	set_sr (cached_irq_mask, intenable);
 }
 
 static void xtensa_irq_enable(struct irq_data *d)
@@ -95,7 +95,7 @@ static void xtensa_irq_disable(struct irq_data *d)
 
 static void xtensa_irq_ack(struct irq_data *d)
 {
-	set_sr(1 << d->irq, INTCLEAR);
+	set_sr(1 << d->irq, intclear);
 }
 
 static int xtensa_irq_retrigger(struct irq_data *d)

arch/xtensa/kernel/process.c

@@ -173,6 +173,16 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
  *
  * Note: This is a pristine frame, so we don't need any spill region on top of
  *       childregs.
+ *
+ * The fun part:  if we're keeping the same VM (i.e. cloning a thread,
+ * not an entire process), we're normally given a new usp, and we CANNOT share
+ * any live address register windows.  If we just copy those live frames over,
+ * the two threads (parent and child) will overflow the same frames onto the
+ * parent stack at different times, likely corrupting the parent stack (esp.
+ * if the parent returns from functions that called clone() and calls new
+ * ones, before the child overflows its now old copies of its parent windows).
+ * One solution is to spill windows to the parent stack, but that's fairly
+ * involved.  Much simpler to just not copy those live frames across.
  */
 
 int copy_thread(unsigned long clone_flags, unsigned long usp,
@@ -180,10 +190,13 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
                 struct task_struct * p, struct pt_regs * regs)
 {
 	struct pt_regs *childregs;
-	struct thread_info *ti;
 	unsigned long tos;
 	int user_mode = user_mode(regs);
 
+#if (XTENSA_HAVE_COPROCESSORS || XTENSA_HAVE_IO_PORTS)
+	struct thread_info *ti;
+#endif
+
 	/* Set up new TSS. */
 	tos = (unsigned long)task_stack_page(p) + THREAD_SIZE;
 	if (user_mode)
@@ -191,13 +204,14 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
 	else
 		childregs = (struct pt_regs*)tos - 1;
 
+	/* This does not copy all the regs.  In a bout of brilliance or madness,
+	   ARs beyond a0-a15 exist past the end of the struct. */
 	*childregs = *regs;
 
 	/* Create a call4 dummy-frame: a0 = 0, a1 = childregs. */
 	*((int*)childregs - 3) = (unsigned long)childregs;
 	*((int*)childregs - 4) = 0;
 
-	childregs->areg[1] = tos;
 	childregs->areg[2] = 0;
 	p->set_child_tid = p->clear_child_tid = NULL;
 	p->thread.ra = MAKE_RA_FOR_CALL((unsigned long)ret_from_fork, 0x1);
@@ -205,10 +219,14 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
 
 	if (user_mode(regs)) {
 
-		int len = childregs->wmask & ~0xf;
 		childregs->areg[1] = usp;
-		memcpy(&childregs->areg[XCHAL_NUM_AREGS - len/4],
-		       &regs->areg[XCHAL_NUM_AREGS - len/4], len);
+		if (clone_flags & CLONE_VM) {
+			childregs->wmask = 1;	/* can't share live windows */
+		} else {
+			int len = childregs->wmask & ~0xf;
+			memcpy(&childregs->areg[XCHAL_NUM_AREGS - len/4],
+			       &regs->areg[XCHAL_NUM_AREGS - len/4], len);
+		}
 // FIXME: we need to set THREADPTR in thread_info...
 		if (clone_flags & CLONE_SETTLS)
 			childregs->areg[2] = childregs->areg[6];
@@ -216,6 +234,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
 	} else {
 		/* In kernel space, we start a new thread with a new stack. */
 		childregs->wmask = 1;
+		childregs->areg[1] = tos;
 	}
 
 #if (XTENSA_HAVE_COPROCESSORS || XTENSA_HAVE_IO_PORTS)

arch/xtensa/kernel/setup.c

@@ -100,7 +100,7 @@ typedef struct tagtable {
 } tagtable_t;
 
 #define __tagtable(tag, fn) static tagtable_t __tagtable_##fn 		\
-	__attribute__((unused, __section__(".taglist"))) = { tag, fn }
+	__attribute__((used, section(".taglist"))) = { tag, fn }
 
 /* parse current tag */
 
@@ -120,7 +120,7 @@ static int __init parse_tag_mem(const bp_tag_t *tag)
 	}
 	sysmem.bank[sysmem.nr_banks].type  = mi->type;
 	sysmem.bank[sysmem.nr_banks].start = PAGE_ALIGN(mi->start);
-	sysmem.bank[sysmem.nr_banks].end   = mi->end & PAGE_SIZE;
+	sysmem.bank[sysmem.nr_banks].end   = mi->end & PAGE_MASK;
 	sysmem.nr_banks++;
 
 	return 0;

arch/xtensa/kernel/syscall.c

@@ -34,7 +34,6 @@ syscall_t sys_call_table[__NR_syscall_count] /* FIXME __cacheline_aligned */= {
 
 #undef __SYSCALL
 #define __SYSCALL(nr,symbol,nargs) [ nr ] = (syscall_t)symbol,
-#undef _XTENSA_UNISTD_H
 #undef  __KERNEL_SYSCALLS__
 #include <asm/unistd.h>
 };

arch/xtensa/kernel/traps.c

@@ -97,7 +97,7 @@ static dispatch_init_table_t __initdata dispatch_init_table[] = {
 /* EXCCAUSE_INTEGER_DIVIDE_BY_ZERO unhandled */
 /* EXCCAUSE_PRIVILEGED unhandled */
 #if XCHAL_UNALIGNED_LOAD_EXCEPTION || XCHAL_UNALIGNED_STORE_EXCEPTION
-#ifdef CONFIG_UNALIGNED_USER
+#ifdef CONFIG_XTENSA_UNALIGNED_USER
 { EXCCAUSE_UNALIGNED,		USER,	   fast_unaligned },
 #else
 { EXCCAUSE_UNALIGNED,		0,	   do_unaligned_user },
@@ -202,8 +202,8 @@ extern void do_IRQ(int, struct pt_regs *);
 
 void do_interrupt (struct pt_regs *regs)
 {
-	unsigned long intread = get_sr (INTREAD);
-	unsigned long intenable = get_sr (INTENABLE);
+	unsigned long intread = get_sr (interrupt);
+	unsigned long intenable = get_sr (intenable);
 	int i, mask;
 
 	/* Handle all interrupts (no priorities).
@@ -213,7 +213,7 @@ void do_interrupt (struct pt_regs *regs)
 
 	for (i=0, mask = 1; i < XCHAL_NUM_INTERRUPTS; i++, mask <<= 1) {
 		if (mask & (intread & intenable)) {
-			set_sr (mask, INTCLEAR);
+			set_sr (mask, intclear);
 			do_IRQ (i,regs);
 		}
 	}
@@ -244,7 +244,7 @@ do_illegal_instruction(struct pt_regs *regs)
  */
 
 #if XCHAL_UNALIGNED_LOAD_EXCEPTION || XCHAL_UNALIGNED_STORE_EXCEPTION
-#ifndef CONFIG_UNALIGNED_USER
+#ifndef CONFIG_XTENSA_UNALIGNED_USER
 void
 do_unaligned_user (struct pt_regs *regs)
 {
@@ -339,7 +339,7 @@ void __init trap_init(void)
 	/* Initialize EXCSAVE_1 to hold the address of the exception table. */
 
 	i = (unsigned long)exc_table;
-	__asm__ __volatile__("wsr  %0, "__stringify(EXCSAVE_1)"\n" : : "a" (i));
+	__asm__ __volatile__("wsr  %0, excsave1\n" : : "a" (i));
 }
 
 /*
@@ -386,16 +386,16 @@ static inline void spill_registers(void)
 	unsigned int a0, ps;
 
 	__asm__ __volatile__ (
-		"movi	a14," __stringify (PS_EXCM_BIT) " | 1\n\t"
+		"movi	a14, " __stringify(PS_EXCM_BIT | 1) "\n\t"
 		"mov	a12, a0\n\t"
-		"rsr	a13," __stringify(SAR) "\n\t"
-		"xsr	a14," __stringify(PS) "\n\t"
+		"rsr	a13, sar\n\t"
+		"xsr	a14, ps\n\t"
 		"movi	a0, _spill_registers\n\t"
 		"rsync\n\t"
 		"callx0 a0\n\t"
 		"mov	a0, a12\n\t"
-		"wsr	a13," __stringify(SAR) "\n\t"
-		"wsr	a14," __stringify(PS) "\n\t"
+		"wsr	a13, sar\n\t"
+		"wsr	a14, ps\n\t"
 		:: "a" (&a0), "a" (&ps)
 		: "a2", "a3", "a4", "a7", "a11", "a12", "a13", "a14", "a15", "memory");
 }

arch/xtensa/kernel/vectors.S

@@ -69,11 +69,11 @@
 
 ENTRY(_UserExceptionVector)
 
-	xsr	a3, EXCSAVE_1		# save a3 and get dispatch table
-	wsr	a2, DEPC		# save a2
+	xsr	a3, excsave1		# save a3 and get dispatch table
+	wsr	a2, depc		# save a2
 	l32i	a2, a3, EXC_TABLE_KSTK	# load kernel stack to a2
 	s32i	a0, a2, PT_AREG0	# save a0 to ESF
-	rsr	a0, EXCCAUSE		# retrieve exception cause
+	rsr	a0, exccause		# retrieve exception cause
 	s32i	a0, a2, PT_DEPC		# mark it as a regular exception
 	addx4	a0, a0, a3		# find entry in table
 	l32i	a0, a0, EXC_TABLE_FAST_USER	# load handler
@@ -93,11 +93,11 @@ ENTRY(_UserExceptionVector)
 
 ENTRY(_KernelExceptionVector)
 
-	xsr	a3, EXCSAVE_1		# save a3, and get dispatch table
-	wsr	a2, DEPC		# save a2
+	xsr	a3, excsave1		# save a3, and get dispatch table
+	wsr	a2, depc		# save a2
 	addi	a2, a1, -16-PT_SIZE	# adjust stack pointer
 	s32i	a0, a2, PT_AREG0	# save a0 to ESF
-	rsr	a0, EXCCAUSE		# retrieve exception cause
+	rsr	a0, exccause		# retrieve exception cause
 	s32i	a0, a2, PT_DEPC		# mark it as a regular exception
 	addx4	a0, a0, a3		# find entry in table
 	l32i	a0, a0, EXC_TABLE_FAST_KERNEL	# load handler address
@@ -205,17 +205,17 @@ ENTRY(_DoubleExceptionVector)
 
 	/* Deliberately destroy excsave (don't assume it's value was valid). */
 
-	wsr	a3, EXCSAVE_1		# save a3
+	wsr	a3, excsave1		# save a3
 
 	/* Check for kernel double exception (usually fatal). */
 
-	rsr	a3, PS
+	rsr	a3, ps
 	_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. */
 
-	xsr	a0, DEPC		# get DEPC, save a0
+	xsr	a0, depc		# get DEPC, save a0
 
 	movi	a3, XCHAL_WINDOW_VECTORS_VADDR
 	_bltu	a0, a3, .Lfixup
@@ -243,21 +243,21 @@ ENTRY(_DoubleExceptionVector)
 	 * Note: We can trash the current window frame (a0...a3) and depc!
 	 */
 
-	wsr	a2, DEPC		# save stack pointer temporarily
-	rsr	a0, PS
+	wsr	a2, depc		# save stack pointer temporarily
+	rsr	a0, ps
 	extui	a0, a0, PS_OWB_SHIFT, 4
-	wsr	a0, WINDOWBASE
+	wsr	a0, windowbase
 	rsync
 
 	/* We are now in the previous window frame. Save registers again. */
 
-	xsr	a2, DEPC		# save a2 and get stack pointer
+	xsr	a2, depc		# save a2 and get stack pointer
 	s32i	a0, a2, PT_AREG0
 
-	wsr	a3, EXCSAVE_1		# save a3
+	wsr	a3, excsave1		# save a3
 	movi	a3, exc_table
 
-	rsr	a0, EXCCAUSE
+	rsr	a0, exccause
 	s32i	a0, a2, PT_DEPC		# mark it as a regular exception
 	addx4	a0, a0, a3
 	l32i	a0, a0, EXC_TABLE_FAST_USER
@@ -290,14 +290,14 @@ ENTRY(_DoubleExceptionVector)
 
 	/* a0: depc, a1: a1, a2: kstk, a3: a2, depc: a0, excsave: a3 */
 
-	xsr	a3, DEPC
+	xsr	a3, depc
 	s32i	a0, a2, PT_DEPC
 	s32i	a3, a2, PT_AREG0
 
 	/* a0: avail, a1: a1, a2: kstk, a3: avail, depc: a2, excsave: a3 */
 
 	movi	a3, exc_table
-	rsr	a0, EXCCAUSE
+	rsr	a0, exccause
 	addx4	a0, a0, a3
 	l32i	a0, a0, EXC_TABLE_FAST_USER
 	jx	a0
@@ -312,7 +312,7 @@ ENTRY(_DoubleExceptionVector)
 
 .Lksp:	/* a0: a0, a1: a1, a2: a2, a3: trashed, depc: depc, excsave: a3 */
 
-	rsr	a3, EXCCAUSE
+	rsr	a3, exccause
 	beqi	a3, EXCCAUSE_ITLB_MISS, 1f
 	addi	a3, a3, -EXCCAUSE_DTLB_MISS
 	bnez	a3, .Lunrecoverable
@@ -328,11 +328,11 @@ ENTRY(_DoubleExceptionVector)
 
 .Lunrecoverable_fixup:
 	l32i	a2, a3, EXC_TABLE_DOUBLE_SAVE
-	xsr	a0, DEPC
+	xsr	a0, depc
 
 .Lunrecoverable:
-	rsr	a3, EXCSAVE_1
-	wsr	a0, EXCSAVE_1
+	rsr	a3, excsave1
+	wsr	a0, excsave1
 	movi	a0, unrecoverable_exception
 	callx0	a0
 
@@ -349,7 +349,7 @@ ENTRY(_DoubleExceptionVector)
 	.section .DebugInterruptVector.text, "ax"
 
 ENTRY(_DebugInterruptVector)
-	xsr	a0, EXCSAVE + XCHAL_DEBUGLEVEL
+	xsr	a0, SREG_EXCSAVE + XCHAL_DEBUGLEVEL
 	jx	a0
 
 

arch/xtensa/lib/memcopy.S

@@ -6,7 +6,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (C) 2002 - 2005 Tensilica Inc.
+ * Copyright (C) 2002 - 2012 Tensilica Inc.
  */
 
 #include <variant/core.h>
@@ -27,14 +27,11 @@
 #endif
 	.endm
 
-
 /*
  * void *memcpy(void *dst, const void *src, size_t len);
- * void *memmove(void *dst, const void *src, size_t len);
- * void *bcopy(const void *src, void *dst, size_t len);
  *
  * This function is intended to do the same thing as the standard
- * library function memcpy() (or bcopy()) for most cases.
+ * library function memcpy() for most cases.
  * However, where the source and/or destination references
  * an instruction RAM or ROM or a data RAM or ROM, that
  * source and/or destination will always be accessed with
@@ -45,9 +42,6 @@
  * !!!!!!!  Handling of IRAM/IROM has not yet
  * !!!!!!!  been implemented.
  *
- * The bcopy version is provided here to avoid the overhead
- * of an extra call, for callers that require this convention.
- *
  * The (general case) algorithm is as follows:
  *   If destination is unaligned, align it by conditionally
  *     copying 1 and 2 bytes.
@@ -76,17 +70,6 @@
  */
 
 	.text
-	.align	4
-	.global	bcopy
-	.type   bcopy,@function
-bcopy:
-	entry	sp, 16		# minimal stack frame
-	# a2=src, a3=dst, a4=len
-	mov	a5, a3		# copy dst so that a2 is return value
-	mov	a3, a2
-	mov	a2, a5
-	j	.Lcommon	# go to common code for memcpy+bcopy
-
 
 /*
  * Byte by byte copy
@@ -107,7 +90,7 @@ bcopy:
 	s8i	a6, a5, 0
 	addi	a5, a5, 1
 #if !XCHAL_HAVE_LOOPS
-	blt	a3, a7, .Lnextbyte
+	bne	a3, a7, .Lnextbyte # continue loop if $a3:src != $a7:src_end
 #endif /* !XCHAL_HAVE_LOOPS */
 .Lbytecopydone:
 	retw
@@ -144,9 +127,6 @@ bcopy:
 	.global	memcpy
 	.type   memcpy,@function
 memcpy:
-	.global	memmove
-	.type   memmove,@function
-memmove:
 
 	entry	sp, 16		# minimal stack frame
 	# a2/ dst, a3/ src, a4/ len
@@ -182,7 +162,7 @@ memmove:
 	s32i	a7, a5, 12
 	addi	a5, a5, 16
 #if !XCHAL_HAVE_LOOPS
-	blt	a3, a8, .Loop1
+	bne	a3, a8, .Loop1  # continue loop if a3:src != a8:src_end
 #endif /* !XCHAL_HAVE_LOOPS */
 .Loop1done:
 	bbci.l	a4, 3, .L2
@@ -260,7 +240,7 @@ memmove:
 	s32i	a9, a5, 12
 	addi	a5, a5, 16
 #if !XCHAL_HAVE_LOOPS
-	blt	a3, a10, .Loop2
+	bne	a3, a10, .Loop2 # continue loop if a3:src != a10:src_end
 #endif /* !XCHAL_HAVE_LOOPS */
 .Loop2done:
 	bbci.l	a4, 3, .L12
@@ -305,6 +285,285 @@ memmove:
 	l8ui	a6, a3,  0
 	s8i	a6, a5,  0
 	retw
+
+
+/*
+ * void bcopy(const void *src, void *dest, size_t n);
+ */
+	.align	4
+	.global	bcopy
+	.type   bcopy,@function
+bcopy:
+	entry	sp, 16		# minimal stack frame
+	# a2=src, a3=dst, a4=len
+	mov	a5, a3
+	mov	a3, a2
+	mov	a2, a5
+	j	.Lmovecommon	# go to common code for memmove+bcopy
+
+/*
+ * void *memmove(void *dst, const void *src, size_t len);
+ *
+ * This function is intended to do the same thing as the standard
+ * library function memmove() for most cases.
+ * However, where the source and/or destination references
+ * an instruction RAM or ROM or a data RAM or ROM, that
+ * source and/or destination will always be accessed with
+ * 32-bit load and store instructions (as required for these
+ * types of devices).
+ *
+ * !!!!!!!  XTFIXME:
+ * !!!!!!!  Handling of IRAM/IROM has not yet
+ * !!!!!!!  been implemented.
+ *
+ * The (general case) algorithm is as follows:
+ *   If end of source doesn't overlap destination then use memcpy.
+ *   Otherwise do memcpy backwards.
+ *
+ * Register use:
+ *	a0/ return address
+ *	a1/ stack pointer
+ *	a2/ return value
+ *	a3/ src
+ *	a4/ length
+ *	a5/ dst
+ *	a6/ tmp
+ *	a7/ tmp
+ *	a8/ tmp
+ *	a9/ tmp
+ *	a10/ tmp
+ *	a11/ tmp
+ */
+
+/*
+ * Byte by byte copy
+ */
+	.align	4
+	.byte	0		# 1 mod 4 alignment for LOOPNEZ
+				# (0 mod 4 alignment for LBEG)
+.Lbackbytecopy:
+#if XCHAL_HAVE_LOOPS
+	loopnez	a4, .Lbackbytecopydone
+#else /* !XCHAL_HAVE_LOOPS */
+	beqz	a4, .Lbackbytecopydone
+	sub	a7, a3, a4	# a7 = start address for source
+#endif /* !XCHAL_HAVE_LOOPS */
+.Lbacknextbyte:
+	addi	a3, a3, -1
+	l8ui	a6, a3, 0
+	addi	a5, a5, -1
+	s8i	a6, a5, 0
+#if !XCHAL_HAVE_LOOPS
+	bne	a3, a7, .Lbacknextbyte # continue loop if
+				       # $a3:src != $a7:src_start
+#endif /* !XCHAL_HAVE_LOOPS */
+.Lbackbytecopydone:
+	retw
+
+/*
+ * Destination is unaligned
+ */
+
+	.align	4
+.Lbackdst1mod2:	# dst is only byte aligned
+	_bltui	a4, 7, .Lbackbytecopy	# do short copies byte by byte
+
+	# copy 1 byte
+	addi	a3, a3, -1
+	l8ui	a6, a3,  0
+	addi	a5, a5, -1
+	s8i	a6, a5,  0
+	addi	a4, a4, -1
+	_bbci.l	a5, 1, .Lbackdstaligned	# if dst is now aligned, then
+					# return to main algorithm
+.Lbackdst2mod4:	# dst 16-bit aligned
+	# copy 2 bytes
+	_bltui	a4, 6, .Lbackbytecopy	# do short copies byte by byte
+	addi	a3, a3, -2
+	l8ui	a6, a3,  0
+	l8ui	a7, a3,  1
+	addi	a5, a5, -2
+	s8i	a6, a5,  0
+	s8i	a7, a5,  1
+	addi	a4, a4, -2
+	j	.Lbackdstaligned	# dst is now aligned,
+					# return to main algorithm
+
+	.align	4
+	.global	memmove
+	.type   memmove,@function
+memmove:
+
+	entry	sp, 16		# minimal stack frame
+	# a2/ dst, a3/ src, a4/ len
+	mov	a5, a2		# copy dst so that a2 is return value
+.Lmovecommon:
+	sub	a6, a5, a3
+	bgeu	a6, a4, .Lcommon
+
+	add	a5, a5, a4
+	add	a3, a3, a4
+
+	_bbsi.l	a5, 0, .Lbackdst1mod2	# if dst is 1 mod 2
+	_bbsi.l	a5, 1, .Lbackdst2mod4	# if dst is 2 mod 4
+.Lbackdstaligned:	# return here from .Lbackdst?mod? once dst is aligned
+	srli	a7, a4, 4	# number of loop iterations with 16B
+				# per iteration
+	movi	a8, 3		# if source is not aligned,
+	_bany	a3, a8, .Lbacksrcunaligned	# then use shifting copy
+	/*
+	 * Destination and source are word-aligned, use word copy.
+	 */
+	# copy 16 bytes per iteration for word-aligned dst and word-aligned src
+#if XCHAL_HAVE_LOOPS
+	loopnez	a7, .backLoop1done
+#else /* !XCHAL_HAVE_LOOPS */
+	beqz	a7, .backLoop1done
+	slli	a8, a7, 4
+	sub	a8, a3, a8	# a8 = start of first 16B source chunk
+#endif /* !XCHAL_HAVE_LOOPS */
+.backLoop1:
+	addi	a3, a3, -16
+	l32i	a7, a3, 12
+	l32i	a6, a3,  8
+	addi	a5, a5, -16
+	s32i	a7, a5, 12
+	l32i	a7, a3,  4
+	s32i	a6, a5,  8
+	l32i	a6, a3,  0
+	s32i	a7, a5,  4
+	s32i	a6, a5,  0
+#if !XCHAL_HAVE_LOOPS
+	bne	a3, a8, .backLoop1  # continue loop if a3:src != a8:src_start
+#endif /* !XCHAL_HAVE_LOOPS */
+.backLoop1done:
+	bbci.l	a4, 3, .Lback2
+	# copy 8 bytes
+	addi	a3, a3, -8
+	l32i	a6, a3,  0
+	l32i	a7, a3,  4
+	addi	a5, a5, -8
+	s32i	a6, a5,  0
+	s32i	a7, a5,  4
+.Lback2:
+	bbsi.l	a4, 2, .Lback3
+	bbsi.l	a4, 1, .Lback4
+	bbsi.l	a4, 0, .Lback5
+	retw
+.Lback3:
+	# copy 4 bytes
+	addi	a3, a3, -4
+	l32i	a6, a3,  0
+	addi	a5, a5, -4
+	s32i	a6, a5,  0
+	bbsi.l	a4, 1, .Lback4
+	bbsi.l	a4, 0, .Lback5
+	retw
+.Lback4:
+	# copy 2 bytes
+	addi	a3, a3, -2
+	l16ui	a6, a3,  0
+	addi	a5, a5, -2
+	s16i	a6, a5,  0
+	bbsi.l	a4, 0, .Lback5
+	retw
+.Lback5:
+	# copy 1 byte
+	addi	a3, a3, -1
+	l8ui	a6, a3,  0
+	addi	a5, a5, -1
+	s8i	a6, a5,  0
+	retw
+
+/*
+ * Destination is aligned, Source is unaligned
+ */
+
+	.align	4
+.Lbacksrcunaligned:
+	_beqz	a4, .Lbackdone	# avoid loading anything for zero-length copies
+	# copy 16 bytes per iteration for word-aligned dst and unaligned src
+	ssa8	a3		# set shift amount from byte offset
+#define SIM_CHECKS_ALIGNMENT	1	/* set to 1 when running on ISS with
+					 * the lint or ferret client, or 0
+					 * to save a few cycles */
+#if XCHAL_UNALIGNED_LOAD_EXCEPTION || SIM_CHECKS_ALIGNMENT
+	and	a11, a3, a8	# save unalignment offset for below
+	sub	a3, a3, a11	# align a3
+#endif
+	l32i	a6, a3, 0	# load first word
+#if XCHAL_HAVE_LOOPS
+	loopnez	a7, .backLoop2done
+#else /* !XCHAL_HAVE_LOOPS */
+	beqz	a7, .backLoop2done
+	slli	a10, a7, 4
+	sub	a10, a3, a10	# a10 = start of first 16B source chunk
+#endif /* !XCHAL_HAVE_LOOPS */
+.backLoop2:
+	addi	a3, a3, -16
+	l32i	a7, a3, 12
+	l32i	a8, a3,  8
+	addi	a5, a5, -16
+	src_b	a6, a7, a6
+	s32i	a6, a5, 12
+	l32i	a9, a3,  4
+	src_b	a7, a8, a7
+	s32i	a7, a5,  8
+	l32i	a6, a3,  0
+	src_b	a8, a9, a8
+	s32i	a8, a5,  4
+	src_b	a9, a6, a9
+	s32i	a9, a5,  0
+#if !XCHAL_HAVE_LOOPS
+	bne	a3, a10, .backLoop2 # continue loop if a3:src != a10:src_start
+#endif /* !XCHAL_HAVE_LOOPS */
+.backLoop2done:
+	bbci.l	a4, 3, .Lback12
+	# copy 8 bytes
+	addi	a3, a3, -8
+	l32i	a7, a3,  4
+	l32i	a8, a3,  0
+	addi	a5, a5, -8
+	src_b	a6, a7, a6
+	s32i	a6, a5,  4
+	src_b	a7, a8, a7
+	s32i	a7, a5,  0
+	mov	a6, a8
+.Lback12:
+	bbci.l	a4, 2, .Lback13
+	# copy 4 bytes
+	addi	a3, a3, -4
+	l32i	a7, a3,  0
+	addi	a5, a5, -4
+	src_b	a6, a7, a6
+	s32i	a6, a5,  0
+	mov	a6, a7
+.Lback13:
+#if XCHAL_UNALIGNED_LOAD_EXCEPTION || SIM_CHECKS_ALIGNMENT
+	add	a3, a3, a11	# readjust a3 with correct misalignment
+#endif
+	bbsi.l	a4, 1, .Lback14
+	bbsi.l	a4, 0, .Lback15
+.Lbackdone:
+	retw
+.Lback14:
+	# copy 2 bytes
+	addi	a3, a3, -2
+	l8ui	a6, a3,  0
+	l8ui	a7, a3,  1
+	addi	a5, a5, -2
+	s8i	a6, a5,  0
+	s8i	a7, a5,  1
+	bbsi.l	a4, 0, .Lback15
+	retw
+.Lback15:
+	# copy 1 byte
+	addi	a3, a3, -1
+	addi	a5, a5, -1
+	l8ui	a6, a3,  0
+	s8i	a6, a5,  0
+	retw
+
 
 /*
  * Local Variables:

arch/xtensa/mm/fault.c

@@ -6,7 +6,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (C) 2001 - 2005 Tensilica Inc.
+ * Copyright (C) 2001 - 2010 Tensilica Inc.
  *
  * Chris Zankel <chris@zankel.net>
  * Joe Taylor	<joe@tensilica.com, joetylr@yahoo.com>
@@ -186,6 +186,7 @@ do_sigbus:
 	/* Kernel mode? Handle exceptions or die */
 	if (!user_mode(regs))
 		bad_page_fault(regs, address, SIGBUS);
+	return;
 
 vmalloc_fault:
 	{

arch/xtensa/platforms/iss/console.c

@@ -91,7 +91,7 @@ static int rs_write(struct tty_struct * tty,
 {
 	/* see drivers/char/serialX.c to reference original version */
 
-	__simc (SYS_write, 1, (unsigned long)buf, count, 0, 0);
+	simc_write(1, buf, count);
 	return count;
 }
 
@@ -122,12 +122,7 @@ static void rs_poll(unsigned long priv)
 
 static int rs_put_char(struct tty_struct *tty, unsigned char ch)
 {
-	char buf[2];
-
-	buf[0] = ch;
-	buf[1] = '\0';		/* Is this NULL necessary? */
-	__simc (SYS_write, 1, (unsigned long) buf, 1, 0, 0);
-	return 1;
+	return rs_write(tty, &ch, 1);
 }
 
 static void rs_flush_chars(struct tty_struct *tty)

arch/xtensa/platforms/iss/include/platform/simcall.h

@@ -78,8 +78,9 @@ static inline int __simc(int a, int b, int c, int d, int e, int f)
 	return ret;
 }
 
-static inline int simc_open(char *file, int flags, int mode)
+static inline int simc_open(const char *file, int flags, int mode)
 {
+	wmb();
 	return __simc(SYS_open, (int) file, flags, mode, 0, 0);
 }
 
@@ -90,16 +91,19 @@ static inline int simc_close(int fd)
 
 static inline int simc_ioctl(int fd, int request, void *arg)
 {
+	wmb();
 	return __simc(SYS_ioctl, fd, request, (int) arg, 0, 0);
 }
 
 static inline int simc_read(int fd, void *buf, size_t count)
 {
+	rmb();
 	return __simc(SYS_read, fd, (int) buf, count, 0, 0);
 }
 
-static inline int simc_write(int fd, void *buf, size_t count)
+static inline int simc_write(int fd, const void *buf, size_t count)
 {
+	wmb();
 	return __simc(SYS_write, fd, (int) buf, count, 0, 0);
 }
 
@@ -107,6 +111,7 @@ static inline int simc_poll(int fd)
 {
 	struct timeval tv = { .tv_sec = 0, .tv_usec = 0 };
 
+	wmb();
 	return __simc(SYS_select_one, fd, XTISS_SELECT_ONE_READ, (int)&tv,
 			0, 0);
 }

arch/xtensa/platforms/iss/setup.c

@@ -61,13 +61,13 @@ void platform_restart(void)
 	 * jump to the reset vector. */
 
 	__asm__ __volatile__("movi	a2, 15\n\t"
-			     "wsr	a2, " __stringify(ICOUNTLEVEL) "\n\t"
+			     "wsr	a2, icountlevel\n\t"
 			     "movi	a2, 0\n\t"
-			     "wsr	a2, " __stringify(ICOUNT) "\n\t"
-			     "wsr	a2, " __stringify(IBREAKENABLE) "\n\t"
-			     "wsr	a2, " __stringify(LCOUNT) "\n\t"
+			     "wsr	a2, icount\n\t"
+			     "wsr	a2, ibreakenable\n\t"
+			     "wsr	a2, lcount\n\t"
 			     "movi	a2, 0x1f\n\t"
-			     "wsr	a2, " __stringify(PS) "\n\t"
+			     "wsr	a2, ps\n\t"
 			     "isync\n\t"
 			     "jx	%0\n\t"
 			     :

arch/xtensa/platforms/xt2000/setup.c

@@ -66,13 +66,13 @@ void platform_restart(void)
 	 * jump to the reset vector. */
 
 	__asm__ __volatile__ ("movi	a2, 15\n\t"
-			      "wsr	a2, " __stringify(ICOUNTLEVEL) "\n\t"
+			      "wsr	a2, icountlevel\n\t"
 			      "movi	a2, 0\n\t"
-			      "wsr	a2, " __stringify(ICOUNT) "\n\t"
-			      "wsr	a2, " __stringify(IBREAKENABLE) "\n\t"
-			      "wsr	a2, " __stringify(LCOUNT) "\n\t"
+			      "wsr	a2, icount\n\t"
+			      "wsr	a2, ibreakenable\n\t"
+			      "wsr	a2, lcount\n\t"
 			      "movi	a2, 0x1f\n\t"
-			      "wsr	a2, " __stringify(PS) "\n\t"
+			      "wsr	a2, ps\n\t"
 			      "isync\n\t"
 			      "jx	%0\n\t"
 			      :