[PATCH] xtensa: Removed local copy of zlib and fixed O= support

Removed an unnecessary local copy of zlib (sorry for the add'l traffic).
Fixed 'O=' support (thanks to Jan Dittmer for pointing it out).  Some minor
clean-ups in the make files.

Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

9 files changed, 53 insertions, 2671 deletions

diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile
index 4fa27453b1f..27847e4ffcb 100644
--- a/arch/xtensa/Makefile
+++ b/arch/xtensa/Makefile
@@ -21,23 +21,17 @@ export CPU
 
 # Platform configuration
 
-platform-y					:= common
 platform-$(CONFIG_XTENSA_PLATFORM_XT2000)	:= xt2000
 platform-$(CONFIG_XTENSA_PLATFORM_ISS)		:= iss
 
 PLATFORM = $(platform-y)
 export PLATFORM
 
-#LDFLAGS_vmlinux		:= -T$(word 1,$(LINKSCRIPT))
-AFLAGS_vmlinux.lds.o	:= -Uxtensa
-CPPFLAGS		+= -Iarch/xtensa -Iinclude/asm  -mlongcalls  -g
-AFLAGS			+= -Iarch/xtensa -Iinclude/asm
-CPP			= $(CC) -E $(CFLAGS)
+CPPFLAGS	+= $(if $(KBUILD_SRC),-I$(srctree)/include/asm-xtensa/)
+CPPFLAGS	+= -Iinclude/asm
+CFLAGS		+= -pipe -mlongcalls
 
-cflags-y	+= -Iarch/xtensa -pipe -mlongcalls
-
-
-KBUILD_DEFCONFIG := common_defconfig
+KBUILD_DEFCONFIG := iss_defconfig
 
 # ramdisk/initrd support
 # You need a compressed ramdisk image, named ramdisk.gz in
@@ -62,30 +56,36 @@ endif
 LIBGCC := $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
 
 head-y		:= arch/xtensa/kernel/head.o
-core-y		+= arch/xtensa/kernel/ \
-		   arch/xtensa/mm/ arch/xtensa/platform-$(PLATFORM)/
+core-y		+= arch/xtensa/kernel/ arch/xtensa/mm/
+ifneq ($(PLATFORM),)
+core-y		+= arch/xtensa/platform-$(PLATFORM)/
+endif
 libs-y		+= arch/xtensa/lib/ $(LIBGCC)
 
-boot	:= arch/xtensa/boot
+boot		:= arch/xtensa/boot
+
+archinc		:= include/asm-xtensa
 
 arch/xtensa/kernel/asm-offsets.s: \
-	arch/xtensa/kernel/asm-offsets.c \
-	include/asm-xtensa/.platform
+	arch/xtensa/kernel/asm-offsets.c $(archinc)/.platform
 
 include/asm-xtensa/offsets.h: arch/xtensa/kernel/asm-offsets.s
 	$(call filechk,gen-asm-offsets)
 
-prepare: include/asm-xtensa/.platform include/asm-xtensa/offsets.h
+prepare: $(archinc)/.platform $(archinc)/offsets.h
 
 # Update machine cpu and platform symlinks if something which affects
 # them changed.
 
-include/asm-xtensa/.platform: $(wildcard include/config/arch/*.h)
-	@echo '  Setting up cpu ($(CPU)) and platform ($(PLATFORM)) symlinks'
-	$(Q)rm -f include/asm-xtensa/platform
-	$(Q)rm -f include/asm-xtensa/xtensa/config
-	$(Q)(cd include/asm-xtensa/; ln -sf platform-$(PLATFORM) platform)
-	$(Q)(cd include/asm-xtensa/xtensa; ln -sf config-$(CPU) config)
+$(archinc)/.platform: $(wildcard include/config/arch/*.h) include/config/MARKER
+	@echo '  SYMLINK $(archinc)/xtensa/config -> $(archinc)/xtensa/config-$(CPU)'
+	$(Q)mkdir -p $(archinc)
+	$(Q)mkdir -p $(archinc)/xtensa
+	$(Q)ln -fsn $(srctree)/$(archinc)/xtensa/config-$(CPU) $(archinc)/xtensa/config
+	@echo '  SYMLINK $(archinc)/platform -> $(archinc)/platform-$(PLATFORM)'
+	$(Q)ln -fsn $(srctree)/$(archinc)/platform-$(PLATFORM) $(archinc)/platform
+	@touch $@
+
 
 all: zImage
 
@@ -94,7 +94,9 @@ bzImage : zImage
 zImage zImage.initrd: vmlinux
 	$(Q)$(MAKE) $(build)=$(boot) $@
 
-CLEAN_FILES	+= arch/xtensa/vmlinux.lds include/asm-xtensa/offset.h
+CLEAN_FILES	+= arch/xtensa/vmlinux.lds $(archinc)/offset.h \
+		   $(archinc)/platform $(archinc)/xtensa/config \
+		   $(archinc)/.platform
 
 define archhelp
   @echo '* zImage      - Compressed kernel image (arch/xtensa/boot/images/zImage.*)'
diff --git a/arch/xtensa/boot/Makefile b/arch/xtensa/boot/Makefile
index 260f456ccf0..820b31d10ae 100644
--- a/arch/xtensa/boot/Makefile
+++ b/arch/xtensa/boot/Makefile
@@ -11,21 +11,19 @@
 CFLAGS 		+= -fno-builtin -Iarch/$(ARCH)/boot/include
 HOSTFLAGS	+= -Iarch/$(ARCH)/boot/include
 
-BIG_ENDIAN	:= $(shell echo -e "\#ifdef __XTENSA_EL__\nint little;\n\#else\nint big;\n\#endif" | $(CC) -E -|grep -c big)
-
+BIG_ENDIAN	:= $(shell echo -e __XTENSA_EB__ | $(CC) -E - | grep -v "\#")
 
 export CFLAGS
 export AFLAGS
 export BIG_ENDIAN
 
+subdir-y	:= lib
+
 # Subdirs for the boot loader(s)
 
 bootdir-$(CONFIG_XTENSA_PLATFORM_ISS)	 += boot-elf
 bootdir-$(CONFIG_XTENSA_PLATFORM_XT2000) += boot-redboot boot-elf
 
-subdir-y	:= lib/
-
-subdir-y	+= boot-elf/ boot-redboot/
 
 zImage zImage.initrd Image Image.initrd: $(bootdir-y)
 
@@ -33,5 +31,3 @@ $(bootdir-y): $(addprefix $(obj)/,$(subdir-y)) \
 	      $(addprefix $(obj)/,$(host-progs))
 	$(Q)$(MAKE) $(build)=$(obj)/$@ $(MAKECMDGOALS)
 
-
-
diff --git a/arch/xtensa/boot/boot-elf/Makefile b/arch/xtensa/boot/boot-elf/Makefile
index f6ef6a36966..734db7f7658 100644
--- a/arch/xtensa/boot/boot-elf/Makefile
+++ b/arch/xtensa/boot/boot-elf/Makefile
@@ -27,7 +27,7 @@ Image:	vmlinux $(OBJS)
 		--set-section-flags image=contents,alloc,load,load,data \
 		$(OBJS) $@.tmp
 	$(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) \
-		-T arch/$(ARCH)/boot/boot-elf/boot.ld \
+		-T $(srctree)/arch/$(ARCH)/boot/boot-elf/boot.ld \
 		-o arch/$(ARCH)/boot/$@.elf $@.tmp
 	rm -f $@.tmp vmlinux.tmp
 
@@ -41,7 +41,7 @@ Image.initrd:	vmlinux $(OBJS)
 		--set-section-flags image=contents,alloc,load,load,data \
 		$(OBJS) $@.tmp
 	$(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) \
-		-T arch/$(ARCH)/boot/boot-elf/boot.ld \
+		-T $(srctree)/arch/$(ARCH)/boot/boot-elf/boot.ld \
 		-o arch/$(ARCH)/boot/$@.elf $@.tmp
 	rm -f $@.tmp vmlinux.tmp
 
diff --git a/arch/xtensa/boot/boot-redboot/Makefile b/arch/xtensa/boot/boot-redboot/Makefile
index ca8a68bc847..f53262c2e1f 100644
--- a/arch/xtensa/boot/boot-redboot/Makefile
+++ b/arch/xtensa/boot/boot-redboot/Makefile
@@ -12,24 +12,24 @@ else
 OBJCOPY_ARGS 	:= -O elf32-xtensa-le
 endif
 
-LD_ARGS	= -T $(obj)/boot.ld
+LD_ARGS	= -T $(srctree)/$(obj)/boot.ld
 
 boot-y	:= bootstrap.o
 
 OBJS	:= $(addprefix $(obj)/,$(boot-y))
-LIBS	:= arch/$(ARCH)/boot/lib/lib.a arch/$(ARCH)/lib/lib.a
+LIBS	:= arch/xtensa/boot/lib/lib.a arch/xtensa/lib/lib.a
 
 LIBGCC := $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
 
 zImage: vmlinux $(OBJS) $(LIBS)
 	$(OBJCOPY) --strip-all -R .comment -R .xt.insn -O binary \
-		$(TOPDIR)/vmlinux vmlinux.tmp
+		vmlinux vmlinux.tmp
 	gzip -vf9 vmlinux.tmp
 	$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
 		--add-section image=vmlinux.tmp.gz \
 		--set-section-flags image=contents,alloc,load,load,data \
 		$(OBJS) $@.tmp
 	$(LD) $(LD_ARGS) -o $@.elf $@.tmp $(LIBS) -L/xtensa-elf/lib $(LIBGCC)
-	$(OBJCOPY) -S -O binary $@.elf arch/$(ARCH)/boot/images/$@.redboot
-#	rm -f $@.tmp $@.elf vmlinux.tmp.gz
+	$(OBJCOPY) -S -O binary $@.elf arch/$(ARCH)/boot/$@.redboot
+	rm -f $@.tmp $@.elf vmlinux.tmp.gz
 
diff --git a/arch/xtensa/boot/include/zlib.h b/arch/xtensa/boot/include/zlib.h
deleted file mode 100644
index ea29b623785..00000000000
--- a/arch/xtensa/boot/include/zlib.h
+++ /dev/null
@@ -1,433 +0,0 @@
-/*
- * BK Id: SCCS/s.zlib.h 1.8 05/18/01 15:17:23 cort
- */
-/*
- * This file is derived from zlib.h and zconf.h from the zlib-0.95
- * distribution by Jean-loup Gailly and Mark Adler, with some additions
- * by Paul Mackerras to aid in implementing Deflate compression and
- * decompression for PPP packets.
- */
-
-/*
- *  ==FILEVERSION 960122==
- *
- * This marker is used by the Linux installation script to determine
- * whether an up-to-date version of this file is already installed.
- */
-
-/* zlib.h -- interface of the 'zlib' general purpose compression library
-  version 0.95, Aug 16th, 1995.
-
-  Copyright (C) 1995 Jean-loup Gailly and Mark Adler
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-
-  Jean-loup Gailly        Mark Adler
-  gzip@prep.ai.mit.edu    madler@alumni.caltech.edu
- */
-
-#ifndef _ZLIB_H
-#define _ZLIB_H
-
-/* #include "zconf.h" */	/* included directly here */
-
-/* zconf.h -- configuration of the zlib compression library
- * Copyright (C) 1995 Jean-loup Gailly.
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/* From: zconf.h,v 1.12 1995/05/03 17:27:12 jloup Exp */
-
-/*
-     The library does not install any signal handler. It is recommended to
-  add at least a handler for SIGSEGV when decompressing; the library checks
-  the consistency of the input data whenever possible but may go nuts
-  for some forms of corrupted input.
- */
-
-/*
- * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
- * than 64k bytes at a time (needed on systems with 16-bit int).
- * Compile with -DUNALIGNED_OK if it is OK to access shorts or ints
- * at addresses which are not a multiple of their size.
- * Under DOS, -DFAR=far or -DFAR=__far may be needed.
- */
-
-#ifndef STDC
-#  if defined(MSDOS) || defined(__STDC__) || defined(__cplusplus)
-#    define STDC
-#  endif
-#endif
-
-#ifdef	__MWERKS__ /* Metrowerks CodeWarrior declares fileno() in unix.h */
-#  include <unix.h>
-#endif
-
-/* Maximum value for memLevel in deflateInit2 */
-#ifndef MAX_MEM_LEVEL
-#  ifdef MAXSEG_64K
-#    define MAX_MEM_LEVEL 8
-#  else
-#    define MAX_MEM_LEVEL 9
-#  endif
-#endif
-
-#ifndef FAR
-#  define FAR
-#endif
-
-/* Maximum value for windowBits in deflateInit2 and inflateInit2 */
-#ifndef MAX_WBITS
-#  define MAX_WBITS   15 /* 32K LZ77 window */
-#endif
-
-/* The memory requirements for deflate are (in bytes):
-            1 << (windowBits+2)   +  1 << (memLevel+9)
- that is: 128K for windowBits=15  +  128K for memLevel = 8  (default values)
- plus a few kilobytes for small objects. For example, if you want to reduce
- the default memory requirements from 256K to 128K, compile with
-     make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
- Of course this will generally degrade compression (there's no free lunch).
-
-   The memory requirements for inflate are (in bytes) 1 << windowBits
- that is, 32K for windowBits=15 (default value) plus a few kilobytes
- for small objects.
-*/
-
-                        /* Type declarations */
-
-#ifndef OF /* function prototypes */
-#  ifdef STDC
-#    define OF(args)  args
-#  else
-#    define OF(args)  ()
-#  endif
-#endif
-
-typedef unsigned char  Byte;  /* 8 bits */
-typedef unsigned int   uInt;  /* 16 bits or more */
-typedef unsigned long  uLong; /* 32 bits or more */
-
-typedef Byte FAR Bytef;
-typedef char FAR charf;
-typedef int FAR intf;
-typedef uInt FAR uIntf;
-typedef uLong FAR uLongf;
-
-#ifdef STDC
-   typedef void FAR *voidpf;
-   typedef void     *voidp;
-#else
-   typedef Byte FAR *voidpf;
-   typedef Byte     *voidp;
-#endif
-
-/* end of original zconf.h */
-
-#define ZLIB_VERSION "0.95P"
-
-/*
-     The 'zlib' compression library provides in-memory compression and
-  decompression functions, including integrity checks of the uncompressed
-  data.  This version of the library supports only one compression method
-  (deflation) but other algorithms may be added later and will have the same
-  stream interface.
-
-     For compression the application must provide the output buffer and
-  may optionally provide the input buffer for optimization. For decompression,
-  the application must provide the input buffer and may optionally provide
-  the output buffer for optimization.
-
-     Compression can be done in a single step if the buffers are large
-  enough (for example if an input file is mmap'ed), or can be done by
-  repeated calls of the compression function.  In the latter case, the
-  application must provide more input and/or consume the output
-  (providing more output space) before each call.
-*/
-
-typedef voidpf (*alloc_func) OF((voidpf opaque, uInt items, uInt size));
-typedef void   (*free_func)  OF((voidpf opaque, voidpf address, uInt nbytes));
-
-struct internal_state;
-
-typedef struct z_stream_s {
-    Bytef    *next_in;  /* next input byte */
-    uInt     avail_in;  /* number of bytes available at next_in */
-    uLong    total_in;  /* total nb of input bytes read so far */
-
-    Bytef    *next_out; /* next output byte should be put there */
-    uInt     avail_out; /* remaining free space at next_out */
-    uLong    total_out; /* total nb of bytes output so far */
-
-    char     *msg;      /* last error message, NULL if no error */
-    struct internal_state FAR *state; /* not visible by applications */
-
-    alloc_func zalloc;  /* used to allocate the internal state */
-    free_func  zfree;   /* used to free the internal state */
-    voidp      opaque;  /* private data object passed to zalloc and zfree */
-
-    Byte     data_type; /* best guess about the data type: ascii or binary */
-
-} z_stream;
-
-/*
-   The application must update next_in and avail_in when avail_in has
-   dropped to zero. It must update next_out and avail_out when avail_out
-   has dropped to zero. The application must initialize zalloc, zfree and
-   opaque before calling the init function. All other fields are set by the
-   compression library and must not be updated by the application.
-
-   The opaque value provided by the application will be passed as the first
-   parameter for calls of zalloc and zfree. This can be useful for custom
-   memory management. The compression library attaches no meaning to the
-   opaque value.
-
-   zalloc must return Z_NULL if there is not enough memory for the object.
-   On 16-bit systems, the functions zalloc and zfree must be able to allocate
-   exactly 65536 bytes, but will not be required to allocate more than this
-   if the symbol MAXSEG_64K is defined (see zconf.h). WARNING: On MSDOS,
-   pointers returned by zalloc for objects of exactly 65536 bytes *must*
-   have their offset normalized to zero. The default allocation function
-   provided by this library ensures this (see zutil.c). To reduce memory
-   requirements and avoid any allocation of 64K objects, at the expense of
-   compression ratio, compile the library with -DMAX_WBITS=14 (see zconf.h).
-
-   The fields total_in and total_out can be used for statistics or
-   progress reports. After compression, total_in holds the total size of
-   the uncompressed data and may be saved for use in the decompressor
-   (particularly if the decompressor wants to decompress everything in
-   a single step).
-*/
-
-                        /* constants */
-
-#define Z_NO_FLUSH      0
-#define Z_PARTIAL_FLUSH 1
-#define Z_FULL_FLUSH    2
-#define Z_SYNC_FLUSH    3 /* experimental: partial_flush + byte align */
-#define Z_FINISH        4
-#define Z_PACKET_FLUSH	5
-/* See deflate() below for the usage of these constants */
-
-#define Z_OK            0
-#define Z_STREAM_END    1
-#define Z_ERRNO        (-1)
-#define Z_STREAM_ERROR (-2)
-#define Z_DATA_ERROR   (-3)
-#define Z_MEM_ERROR    (-4)
-#define Z_BUF_ERROR    (-5)
-/* error codes for the compression/decompression functions */
-
-#define Z_BEST_SPEED             1
-#define Z_BEST_COMPRESSION       9
-#define Z_DEFAULT_COMPRESSION  (-1)
-/* compression levels */
-
-#define Z_FILTERED            1
-#define Z_HUFFMAN_ONLY        2
-#define Z_DEFAULT_STRATEGY    0
-
-#define Z_BINARY   0
-#define Z_ASCII    1
-#define Z_UNKNOWN  2
-/* Used to set the data_type field */
-
-#define Z_NULL  0  /* for initializing zalloc, zfree, opaque */
-
-extern char *zlib_version;
-/* The application can compare zlib_version and ZLIB_VERSION for consistency.
-   If the first character differs, the library code actually used is
-   not compatible with the zlib.h header file used by the application.
- */
-
-                        /* basic functions */
-
-extern int inflateInit OF((z_stream *strm));
-/*
-     Initializes the internal stream state for decompression. The fields
-   zalloc and zfree must be initialized before by the caller.  If zalloc and
-   zfree are set to Z_NULL, inflateInit updates them to use default allocation
-   functions.
-
-     inflateInit returns Z_OK if success, Z_MEM_ERROR if there was not
-   enough memory.  msg is set to null if there is no error message.
-   inflateInit does not perform any decompression: this will be done by
-   inflate().
-*/
-
-
-extern int inflate OF((z_stream *strm, int flush));
-/*
-  Performs one or both of the following actions:
-
-  - Decompress more input starting at next_in and update next_in and avail_in
-    accordingly. If not all input can be processed (because there is not
-    enough room in the output buffer), next_in is updated and processing
-    will resume at this point for the next call of inflate().
-
-  - Provide more output starting at next_out and update next_out and avail_out
-    accordingly.  inflate() always provides as much output as possible
-    (until there is no more input data or no more space in the output buffer).
-
-  Before the call of inflate(), the application should ensure that at least
-  one of the actions is possible, by providing more input and/or consuming
-  more output, and updating the next_* and avail_* values accordingly.
-  The application can consume the uncompressed output when it wants, for
-  example when the output buffer is full (avail_out == 0), or after each
-  call of inflate().
-
-    If the parameter flush is set to Z_PARTIAL_FLUSH or Z_PACKET_FLUSH,
-  inflate flushes as much output as possible to the output buffer. The
-  flushing behavior of inflate is not specified for values of the flush
-  parameter other than Z_PARTIAL_FLUSH, Z_PACKET_FLUSH or Z_FINISH, but the
-  current implementation actually flushes as much output as possible
-  anyway.  For Z_PACKET_FLUSH, inflate checks that once all the input data
-  has been consumed, it is expecting to see the length field of a stored
-  block; if not, it returns Z_DATA_ERROR.
-
-    inflate() should normally be called until it returns Z_STREAM_END or an
-  error. However if all decompression is to be performed in a single step
-  (a single call of inflate), the parameter flush should be set to
-  Z_FINISH. In this case all pending input is processed and all pending
-  output is flushed; avail_out must be large enough to hold all the
-  uncompressed data. (The size of the uncompressed data may have been saved
-  by the compressor for this purpose.) The next operation on this stream must
-  be inflateEnd to deallocate the decompression state. The use of Z_FINISH
-  is never required, but can be used to inform inflate that a faster routine
-  may be used for the single inflate() call.
-
-    inflate() returns Z_OK if some progress has been made (more input
-  processed or more output produced), Z_STREAM_END if the end of the
-  compressed data has been reached and all uncompressed output has been
-  produced, Z_DATA_ERROR if the input data was corrupted, Z_STREAM_ERROR if
-  the stream structure was inconsistent (for example if next_in or next_out
-  was NULL), Z_MEM_ERROR if there was not enough memory, Z_BUF_ERROR if no
-  progress is possible or if there was not enough room in the output buffer
-  when Z_FINISH is used. In the Z_DATA_ERROR case, the application may then
-  call inflateSync to look for a good compression block.  */
-
-
-extern int inflateEnd OF((z_stream *strm));
-/*
-     All dynamically allocated data structures for this stream are freed.
-   This function discards any unprocessed input and does not flush any
-   pending output.
-
-     inflateEnd returns Z_OK if success, Z_STREAM_ERROR if the stream state
-   was inconsistent. In the error case, msg may be set but then points to a
-   static string (which must not be deallocated).
-*/
-
-                        /* advanced functions */
-
-extern int inflateInit2 OF((z_stream *strm,
-                            int  windowBits));
-/*
-     This is another version of inflateInit with more compression options. The
-   fields next_out, zalloc and zfree must be initialized before by the caller.
-
-     The windowBits parameter is the base two logarithm of the maximum window
-   size (the size of the history buffer).  It should be in the range 8..15 for
-   this version of the library (the value 16 will be allowed soon). The
-   default value is 15 if inflateInit is used instead. If a compressed stream
-   with a larger window size is given as input, inflate() will return with
-   the error code Z_DATA_ERROR instead of trying to allocate a larger window.
-
-     If next_out is not null, the library will use this buffer for the history
-   buffer; the buffer must either be large enough to hold the entire output
-   data, or have at least 1<<windowBits bytes.  If next_out is null, the
-   library will allocate its own buffer (and leave next_out null). next_in
-   need not be provided here but must be provided by the application for the
-   next call of inflate().
-
-     If the history buffer is provided by the application, next_out must
-   never be changed by the application since the decompressor maintains
-   history information inside this buffer from call to call; the application
-   can only reset next_out to the beginning of the history buffer when
-   avail_out is zero and all output has been consumed.
-
-      inflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was
-   not enough memory, Z_STREAM_ERROR if a parameter is invalid (such as
-   windowBits < 8). msg is set to null if there is no error message.
-   inflateInit2 does not perform any decompression: this will be done by
-   inflate().
-*/
-
-extern int inflateSync OF((z_stream *strm));
-/*
-    Skips invalid compressed data until the special marker (see deflate()
-  above) can be found, or until all available input is skipped. No output
-  is provided.
-
-    inflateSync returns Z_OK if the special marker has been found, Z_BUF_ERROR
-  if no more input was provided, Z_DATA_ERROR if no marker has been found,
-  or Z_STREAM_ERROR if the stream structure was inconsistent. In the success
-  case, the application may save the current current value of total_in which
-  indicates where valid compressed data was found. In the error case, the
-  application may repeatedly call inflateSync, providing more input each time,
-  until success or end of the input data.
-*/
-
-extern int inflateReset OF((z_stream *strm));
-/*
-     This function is equivalent to inflateEnd followed by inflateInit,
-   but does not free and reallocate all the internal decompression state.
-   The stream will keep attributes that may have been set by inflateInit2.
-
-      inflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source
-   stream state was inconsistent (such as zalloc or state being NULL).
-*/
-
-extern int inflateIncomp OF((z_stream *strm));
-/*
-     This function adds the data at next_in (avail_in bytes) to the output
-   history without performing any output.  There must be no pending output,
-   and the decompressor must be expecting to see the start of a block.
-   Calling this function is equivalent to decompressing a stored block
-   containing the data at next_in (except that the data is not output).
-*/
-
-                        /* checksum functions */
-
-/*
-     This function is not related to compression but is exported
-   anyway because it might be useful in applications using the
-   compression library.
-*/
-
-extern uLong adler32 OF((uLong adler, Bytef *buf, uInt len));
-
-/*
-     Update a running Adler-32 checksum with the bytes buf[0..len-1] and
-   return the updated checksum. If buf is NULL, this function returns
-   the required initial value for the checksum.
-   An Adler-32 checksum is almost as reliable as a CRC32 but can be computed
-   much faster. Usage example:
-
-     uLong adler = adler32(0L, Z_NULL, 0);
-
-     while (read_buffer(buffer, length) != EOF) {
-       adler = adler32(adler, buffer, length);
-     }
-     if (adler != original_adler) error();
-*/
-
-#ifndef _Z_UTIL_H
-    struct internal_state {int dummy;}; /* hack for buggy compilers */
-#endif
-
-#endif /* _ZLIB_H */
diff --git a/arch/xtensa/boot/lib/Makefile b/arch/xtensa/boot/lib/Makefile
index c0a74dc3a0d..9e73bb8aeb7 100644
--- a/arch/xtensa/boot/lib/Makefile
+++ b/arch/xtensa/boot/lib/Makefile
@@ -2,5 +2,16 @@
 # Makefile for some libs needed by zImage.
 #
 
+zlib	:= infblock.c infcodes.c inffast.c inflate.c inftrees.c infutil.c
 
-lib-y := zlib.o zmem.o
+lib-y	+= $(zlib:.c=.o) zmem.o
+
+EXTRA_CFLAGS	+= -Ilib/zlib_inflate
+
+quiet_cmd_copy_zlib = COPY    $@
+      cmd_copy_zlib = cat $< > $@
+
+$(addprefix $(obj)/,$(zlib)): $(obj)/%: $(srctree)/lib/zlib_inflate/%
+	$(call cmd,copy_zlib)
+
+clean-files	:= $(zlib)
diff --git a/arch/xtensa/boot/lib/memcpy.S b/arch/xtensa/boot/lib/memcpy.S
deleted file mode 100644
index a029f5df2d5..00000000000
--- a/arch/xtensa/boot/lib/memcpy.S
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- *  arch/xtensa/lib/memcpy.S
- *
- *  ANSI C standard library function memcpy
- *
- *  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 Tensilica Inc.
- */
-
-#define _ASMLANGUAGE
-#include <xtensa/config/core.h>
-
-.text
-.align	4
-.global	bcopy
-.type   bcopy,@function
-bcopy:
-        movi    a14, xthal_bcopy        // a14 safe to use regardless of whether caller
-                                        //   used call4 or call8 (can't have used call12)
-        jx      a14                     // let the Core HAL do the work
-
-.text
-.align	4
-.global	memcpy
-.type   memcpy,@function
-memcpy:
-.global	memmove
-.type   memmove,@function
-memmove:
-        movi    a14, xthal_memcpy      // a14 safe to use regardless of whether caller
-                                        //   used call4 or call8 (can't have used call12)
-        jx      a14                     // let the Core HAL do the work
-
diff --git a/arch/xtensa/boot/lib/zlib.c b/arch/xtensa/boot/lib/zlib.c
deleted file mode 100644
index e3859f63107..00000000000
--- a/arch/xtensa/boot/lib/zlib.c
+++ /dev/null
@@ -1,2150 +0,0 @@
-/*
- * BK Id: SCCS/s.zlib.c 1.8 05/18/01 15:17:24 cort
- */
-/*
- * This file is derived from various .h and .c files from the zlib-0.95
- * distribution by Jean-loup Gailly and Mark Adler, with some additions
- * by Paul Mackerras to aid in implementing Deflate compression and
- * decompression for PPP packets.  See zlib.h for conditions of
- * distribution and use.
- *
- * Changes that have been made include:
- * - changed functions not used outside this file to "local"
- * - added minCompression parameter to deflateInit2
- * - added Z_PACKET_FLUSH (see zlib.h for details)
- * - added inflateIncomp
- *
- */
-
-/*+++++*/
-/* zutil.h -- internal interface and configuration of the compression library
- * Copyright (C) 1995 Jean-loup Gailly.
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/* WARNING: this file should *not* be used by applications. It is
-   part of the implementation of the compression library and is
-   subject to change. Applications should only use zlib.h.
- */
-
-/* From: zutil.h,v 1.9 1995/05/03 17:27:12 jloup Exp */
-
-#define _Z_UTIL_H
-
-#include "zlib.h"
-
-#ifndef local
-#  define local static
-#endif
-/* compile with -Dlocal if your debugger can't find static symbols */
-
-#define FAR
-
-typedef unsigned char  uch;
-typedef uch FAR uchf;
-typedef unsigned short ush;
-typedef ush FAR ushf;
-typedef unsigned long  ulg;
-
-extern char *z_errmsg[]; /* indexed by 1-zlib_error */
-
-#define ERR_RETURN(strm,err) return (strm->msg=z_errmsg[1-err], err)
-/* To be used only when the state is known to be valid */
-
-#ifndef NULL
-#define NULL	((void *) 0)
-#endif
-
-        /* common constants */
-
-#define DEFLATED   8
-
-#ifndef DEF_WBITS
-#  define DEF_WBITS MAX_WBITS
-#endif
-/* default windowBits for decompression. MAX_WBITS is for compression only */
-
-#if MAX_MEM_LEVEL >= 8
-#  define DEF_MEM_LEVEL 8
-#else
-#  define DEF_MEM_LEVEL  MAX_MEM_LEVEL
-#endif
-/* default memLevel */
-
-#define STORED_BLOCK 0
-#define STATIC_TREES 1
-#define DYN_TREES    2
-/* The three kinds of block type */
-
-#define MIN_MATCH  3
-#define MAX_MATCH  258
-/* The minimum and maximum match lengths */
-
-         /* functions */
-
-#include <linux/string.h>
-#define zmemcpy memcpy
-#define zmemzero(dest, len)	memset(dest, 0, len)
-
-/* Diagnostic functions */
-#ifdef DEBUG_ZLIB
-#  include <stdio.h>
-#  ifndef verbose
-#    define verbose 0
-#  endif
-#  define Assert(cond,msg) {if(!(cond)) z_error(msg);}
-#  define Trace(x) fprintf x
-#  define Tracev(x) {if (verbose) fprintf x ;}
-#  define Tracevv(x) {if (verbose>1) fprintf x ;}
-#  define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
-#  define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}
-#else
-#  define Assert(cond,msg)
-#  define Trace(x)
-#  define Tracev(x)
-#  define Tracevv(x)
-#  define Tracec(c,x)
-#  define Tracecv(c,x)
-#endif
-
-
-typedef uLong (*check_func) OF((uLong check, Bytef *buf, uInt len));
-
-/* voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size)); */
-/* void   zcfree  OF((voidpf opaque, voidpf ptr)); */
-
-#define ZALLOC(strm, items, size) \
-           (*((strm)->zalloc))((strm)->opaque, (items), (size))
-#define ZFREE(strm, addr, size)	\
-	   (*((strm)->zfree))((strm)->opaque, (voidpf)(addr), (size))
-#define TRY_FREE(s, p, n) {if (p) ZFREE(s, p, n);}
-
-/* deflate.h -- internal compression state
- * Copyright (C) 1995 Jean-loup Gailly
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/* WARNING: this file should *not* be used by applications. It is
-   part of the implementation of the compression library and is
-   subject to change. Applications should only use zlib.h.
- */
-
-/*+++++*/
-/* infblock.h -- header to use infblock.c
- * Copyright (C) 1995 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/* WARNING: this file should *not* be used by applications. It is
-   part of the implementation of the compression library and is
-   subject to change. Applications should only use zlib.h.
- */
-
-struct inflate_blocks_state;
-typedef struct inflate_blocks_state FAR inflate_blocks_statef;
-
-local inflate_blocks_statef * inflate_blocks_new OF((
-    z_stream *z,
-    check_func c,               /* check function */
-    uInt w));                   /* window size */
-
-local int inflate_blocks OF((
-    inflate_blocks_statef *,
-    z_stream *,
-    int));                      /* initial return code */
-
-local void inflate_blocks_reset OF((
-    inflate_blocks_statef *,
-    z_stream *,
-    uLongf *));                  /* check value on output */
-
-local int inflate_blocks_free OF((
-    inflate_blocks_statef *,
-    z_stream *,
-    uLongf *));                  /* check value on output */
-
-local int inflate_addhistory OF((
-    inflate_blocks_statef *,
-    z_stream *));
-
-local int inflate_packet_flush OF((
-    inflate_blocks_statef *));
-
-/*+++++*/
-/* inftrees.h -- header to use inftrees.c
- * Copyright (C) 1995 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/* WARNING: this file should *not* be used by applications. It is
-   part of the implementation of the compression library and is
-   subject to change. Applications should only use zlib.h.
- */
-
-/* Huffman code lookup table entry--this entry is four bytes for machines
-   that have 16-bit pointers (e.g. PC's in the small or medium model). */
-
-typedef struct inflate_huft_s FAR inflate_huft;
-
-struct inflate_huft_s {
-  union {
-    struct {
-      Byte Exop;        /* number of extra bits or operation */
-      Byte Bits;        /* number of bits in this code or subcode */
-    } what;
-    uInt Nalloc;	/* number of these allocated here */
-    Bytef *pad;         /* pad structure to a power of 2 (4 bytes for */
-  } word;               /*  16-bit, 8 bytes for 32-bit machines) */
-  union {
-    uInt Base;          /* literal, length base, or distance base */
-    inflate_huft *Next; /* pointer to next level of table */
-  } more;
-};
-
-#ifdef DEBUG_ZLIB
-  local uInt inflate_hufts;
-#endif
-
-local int inflate_trees_bits OF((
-    uIntf *,                    /* 19 code lengths */
-    uIntf *,                    /* bits tree desired/actual depth */
-    inflate_huft * FAR *,       /* bits tree result */
-    z_stream *));               /* for zalloc, zfree functions */
-
-local int inflate_trees_dynamic OF((
-    uInt,                       /* number of literal/length codes */
-    uInt,                       /* number of distance codes */
-    uIntf *,                    /* that many (total) code lengths */
-    uIntf *,                    /* literal desired/actual bit depth */
-    uIntf *,                    /* distance desired/actual bit depth */
-    inflate_huft * FAR *,       /* literal/length tree result */
-    inflate_huft * FAR *,       /* distance tree result */
-    z_stream *));               /* for zalloc, zfree functions */
-
-local int inflate_trees_fixed OF((
-    uIntf *,                    /* literal desired/actual bit depth */
-    uIntf *,                    /* distance desired/actual bit depth */
-    inflate_huft * FAR *,       /* literal/length tree result */
-    inflate_huft * FAR *));     /* distance tree result */
-
-local int inflate_trees_free OF((
-    inflate_huft *,             /* tables to free */
-    z_stream *));               /* for zfree function */
-
-
-/*+++++*/
-/* infcodes.h -- header to use infcodes.c
- * Copyright (C) 1995 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/* WARNING: this file should *not* be used by applications. It is
-   part of the implementation of the compression library and is
-