Remove the Xtensa architecture

As stated in commit 555c2585bf28c3ef71f6d2dcdd983d17a19892af, the
Xtensa architecture has been introduced in 2009 and never changed
since its initial introduction. It requires some special handling that
is a bit annoying, and despite our call to the initial developers, and
the announcement of the deprecation of the architecture during the
2012.05, nothing has happened. Therefore, drop support for this
architecture.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: me
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

1 files changed, 0 insertions, 488 deletions

diff --git a/target/xtensa/xt-buildroot-overlay-install b/target/xtensa/xt-buildroot-overlay-install
deleted file mode 100644
index d2afce124..000000000
--- a/target/xtensa/xt-buildroot-overlay-install
+++ /dev/null
@@ -1,488 +0,0 @@
-#!/bin/sh
-#  Not every host installs perl at the same location, handle many locations:
-PATH=/usr/bin:/usr/local/bin:$PATH
-exec perl -x -S $0 ${1+"$@"}
-exit $?
-#!perl -w
-#line 8
-
-#  xt-buildroot-overlay-install [-t overlay_tarball] [-b buildroot_dir] \
-#				[-k kernel_dir] \
-#				[-c config_name] [-l long_name] [-f] [--help]
-#
-#  Creates individual overlay tarballs for gcc, binutils, gdb, and
-#  the Linux kernel, out of the Xtensa Configuration Overlay tarball from
-#  a Tensilica Core Package.  And installs these individual tarballs
-#  at the appropriate locations within a buildroot source tree.
-#
-#  The Xtensa configuration overlay tarball is located in:
-#	<xtensa_root>/src/xtensa-config-overlay.tar.gz
-#  where <xtensa_root> is the path to the Tensilica Core Package.
-#
-# Copyright (c) 2003-2009 by Tensilica Inc.
-#  History:
-#  2007-NOV-08	1.0	meg	Initial version
-#  2007-NOV-21	1.1	meg	Add -k parameter
-#  2007-DEC-06	1.2	meg	Make -k and -b optional, check overlay sw vers.
-#  2008-FEB-27	1.3	meg	Accept Xtensa Tools RB-2008.3 overlays
-
-$progvers = "1.3";
-$progname = $0;
-$progname =~ s|.*[/\\:]||;
-
-
-######################################################################
-#
-#  Parse cmdline
-#
-
-my $overlay_tarball = undef;
-my $buildroot_dir = undef;
-my $kernel_dir = undef;
-my $config_name = undef;
-my $config_long_name = undef;
-my $force_clobber = 0;
-my $prompt = 1;		# undocumented option
-
-sub usage {
-    print "$progname version $progvers\n"
-    	 ."Usage:  $progname <parameters> [<options>]\n"
-	 ."Where <parameters> are:\n"
-	 ."  -t file.tgz     Specify path to the Xtensa Linux overlay tarball, typically\n"
-	 ."                  <xtensa_root>/src/xtensa-config-overlay.tar.gz\n"
-	 ."  -b dir          Path to the base of the buildroot source tree, in which\n"
-	 ."                  package specific overlay tarballs get installed.\n"
-	 ."  -k dir          Path to the base of the Linux kernel source tree, in which\n"
-	 ."                  the Linux kernel specific overlay gets installed.\n"
-	 ."  -c config_name  Name for the Xtensa processor configuration as it will be\n"
-	 ."                  known to the open source community.  Must be a lowercase\n"
-	 ."                  identifier, starting with a letter, consisting of letters\n"
-	 ."                  and numbers and underscores, not ending with underscore\n"
-	 ."                  and not containing consecutive underscores.  For examples:\n"
-	 ."                     dc232b , dc232b_be , mmubasele , fsf , s5000 .\n"
-	 ."  -l long_name    Long name for the Xtensa processor configuration, human-\n"
-	 ."                  readable with spaces etc allowed (must be quoted).\n"
-	 ."                  For example:  'Diamond 232L Standard Core Rev.B (LE)'\n"
-	 ."                  Try to keep it within approximately 40 characters.\n"
-	 ."And <options> are:\n"
-	 ."  -f              If package specific overlay tarballs already exist in\n"
-	 ."                  the destination source tree, overwrite them without asking.\n"
-	 ."  --help          Show this usage message.\n";
-}
-
-#  Get arguments:
-if (!@ARGV) {
-    usage();
-    exit 0;
-}
-while( defined($_ = shift) ) {
-    if( /^-[tbclk]$/ ) {		# option taking an argument
-	my $arg = shift;
-	if( !defined($arg) ) {
-	    print STDERR "$progname: ERROR: missing parameter after '$_' option\n\n";
-	    usage();
-	    exit 1;
-	}
-	$overlay_tarball = $arg if $_ eq "-t";
-	$buildroot_dir = $arg if $_ eq "-b";
-	$kernel_dir = $arg if $_ eq "-k";
-	$config_name = $arg if $_ eq "-c";
-	$config_long_name = $arg if $_ eq "-l";
-	next;
-    }
-    if( /^-f$/ ) {
-	$force_clobber = 1;
-	next;
-    }
-    if( /^--[m-t]{8}$/ && /[new]([wow])([pup])[fur]\1[maze]\2[tuff]/ ) {
-	$prompt = 0;
-	next;
-    }
-    if( /^-(h|help|\-h|\-help|\?)$/i ) {
-	usage();
-	exit 0;
-    }
-    print STDERR "$progname: ERROR: unrecognized option or argument '$_'\n\n";
-    usage();
-    exit 1;
-}
-
-
-######################################################################
-#
-#  Validate cmdline arguments
-#
-
-ErrorU("missing -c argument (core name)")
-	unless defined($config_name);
-#  Try to enforce reasonable names:
-ErrorU("-c: malformed core name '$config_name' (must be lowercase, letter followed by letters/digits, may contain underscore separators)")
-	unless $config_name =~ /^[a-z][a-z0-9]*(_[a-z0-9]+)*$/;
-ErrorU("-c: core name too short '$config_name'")
-	unless length($config_name) >= 2;
-ErrorU("-c: core name too long '$config_name'")
-	unless length($config_name) <= 16;
-
-
-ErrorU("missing -l argument (core long name)")
-	unless defined($config_long_name);
-$config_long_name =~ s/^\s+//;	# trim extra whitespace...
-$config_long_name =~ s/\s+$//;
-$config_long_name =~ s/\s+/ /g;
-#  Try to enforce reasonable names:
-ErrorU("-l: invalid (non-ASCII-printable) characters in core long name '$config_long_name'")
-	unless $config_long_name =~ /^[\x20-\x7E]+$/;
-ErrorU("-l: disallowed characters (\"\'\\) in core long name '$config_long_name'")
-	if $config_long_name =~ /[\'\"\\]/;
-ErrorU("-l: core long name too short '$config_long_name'")
-	unless length($config_long_name) >= 5;
-ErrorU("-l: core long name too long '$config_long_name'")
-	unless length($config_long_name) <= 60;
-
-
-#ErrorU("missing -b argument (buildroot source tree directory)")
-#	unless defined($buildroot_dir);
-if (defined($buildroot_dir)) {
-    ErrorU("-b: not a directory: $buildroot_dir")
-	    unless -d $buildroot_dir;
-    foreach my $p ("toolchain/gcc", "toolchain/binutils", "toolchain/gdb", "target/xtensa") {
-	ErrorU("-b: not a buildroot directory: missing $buildroot_dir/$p")
-	    unless -d $buildroot_dir . "/" . $p;
-    }
-}
-
-
-#ErrorU("missing -k argument (Linux kernel source tree directory)")
-#	unless defined($kernel_dir);
-if (defined($kernel_dir)) {
-    ErrorU("-k: not a directory: $kernel_dir")
-	    unless -d $kernel_dir;
-    foreach my $p ("kernel", "arch/xtensa/kernel", "include/asm-xtensa") {
-	ErrorU("-k: not a Linux kernel directory: missing $kernel_dir/$p")
-	    unless -d $kernel_dir . "/" . $p;
-    }
-}
-
-
-if (!defined($buildroot_dir) and !defined($kernel_dir)) {
-    print STDERR "$progname: WARNING:\n";
-    print STDERR "$progname: WARNING: Test run only, NOTHING WILL BE INSTALLED\n";
-    print STDERR "$progname: WARNING: (use -b and -k to specify install destination)\n";
-    print STDERR "$progname: WARNING:\n";
-}
-
-
-my @ovpaths = ( "/src/xtensa-config-overlay.tar.gz",
-		"/xtensa-elf/src/linux/misc/linux-overlay.tar.gz" );
-if (!defined($overlay_tarball)) {
-    #  Try to locate the overlay tarball based on XTENSA_SYSTEM and XTENSA_CORE
-    #  settings:
-    my $xtensa_root = `xt-xcc --show-config=config 2>/dev/null`;
-    $xtensa_root = "" unless defined($xtensa_root);
-    chomp($xtensa_root);
-    if ($xtensa_root ne "") {
-	($overlay_tarball) = grep(-f $xtensa_root.$_, @ovpaths);
-	if (!defined($overlay_tarball)) {
-	    ErrorU("Xtensa configuration overlay tarball not found: ".$xtensa_root.$ovpaths[0])
-	}
-    } else {
-	ErrorU("missing -t argument (Xtensa configuration overlay tarball filename)\n"
-	     ."and no default Xtensa Core Package defined in the environment");
-    }
-} else {
-    foreach my $p ("", @ovpaths) {
-	if (-f $overlay_tarball.$p) {
-	    $overlay_tarball .= $p;
-	    last;
-	}
-    }
-    ErrorU("-t: file not found: $overlay_tarball") unless -f $overlay_tarball;
-}
-
-
-######################################################################
-#
-#  Misc
-#
-
-my $overlay_unpacked = 0;
-my $ovdir;
-
-sub cleanup {
-    if ($overlay_unpacked) {
-	system("rm -rf '$ovdir' 2>/dev/null");
-    }
-}
-
-sub ErrorEmit {
-    my ($msg,$usage) = @_;
-    $msg =~ s|\n|"\n${progname}: ERROR: "|ge;
-    print STDERR "$progname: ERROR: $msg\n";
-    if ($usage) {
-	print "\n";
-	usage();
-    }
-    cleanup();
-    exit 1;
-}
-sub ErrorU { ErrorEmit(shift,1); }
-sub Error  { ErrorEmit(shift); }
-
-
-#  Read specified file (as binary), returning contents.
-#
-sub readfile {
-    my ($filename) = @_;
-    #  Read the file:
-    open(INFILE,"<$filename") or Error("error reading from '$filename': $!");
-    my $savesep = $/;
-    undef $/;
-    my $file = <INFILE>;
-    $/ = $savesep;
-    close(INFILE);
-    $file;
-}                                                                                                       
-
-#  Write specified file (as binary) with first argument (string).
-#
-sub writefile {
-    my ($filename, $file) = @_;
-    #  Read the file:
-    open(INFILE,">$filename") or Error("error writing to '$filename': $!");
-    print INFILE $file;
-    close(INFILE) or Error("error closing file '$filename': $!");
-}                                                                                                       
-
-
-######################################################################
-#
-#  Determine a temporary directory.
-#
-
-my $tmpdir = "/tmp";
-if (defined($ENV{"TMP"}) and -d $ENV{"TMP"}) {
-    $tmpdir = $ENV{"TMP"};
-} elsif (defined($ENV{"TEMP"}) and -d $ENV{"TEMP"}) {
-    $tmpdir = $ENV{"TEMP"};
-}
-
-
-######################################################################
-#
-#  Unpack the general overlay tarball
-#
-
-my $user = defined($ENV{"USER"}) ? $ENV{"USER"} : "xtensa";
-$ovdir = $tmpdir."/tmp-overlay-${user}-$$";
-mkdir $ovdir or Error("cannot create directory $ovdir");
-$overlay_unpacked = 1;
-system("tar xfz '$overlay_tarball' -C '$ovdir'")
-	and Error("tar failed...");
-
-
-######################################################################
-#
-#  Define and sanity check contents of overlay
-#
-
-my $oldpack = -f $ovdir."/xtensa-elf/src/linux/misc/core.h";
-my $pf1 = ($oldpack ? "src/" : "");
-my $pf2 = ($oldpack ? "xtensa-elf/src/linux/misc/" : "config/");
-
-my @packages = (
-	["binutils", "toolchain/binutils",
-		["${pf1}/binutils/xtensa-modules.c",	"bfd/"],
-		["${pf1}/binutils/xtensa-config.h",	"include/"],
-		#["${pf1}/binutils/xtensa-config.sh",	"ld/emulparams/"],
-		],
-	["gcc", "toolchain/gcc",
-		["${pf1}/gcc/xtensa-config.h",	"include/"],
-		],
-	["gdb", "toolchain/gdb",
-		["${pf1}/gdb/xtensa-modules.c",	"bfd/"],
-		["${pf1}/gdb/xtensa-config.h",	"include/"],
-		["${pf1}/gdb/xtensa-config.c",	"gdb/"],
-		["${pf1}/gdb/xtensa-regmap.c",	"gdb/gdbserver/"],
-		["${pf1}/gdb/xtensa-regmap.c",	"gdb/gdbserver/xtensa-xtregs.c"],	# for GDB 6.8
-		["${pf1}/gdb/xtensa-regmap.c",	"gdb/xtensa-xtregs.c"],			# for GDB 6.8
-		["${pf1}/gdb/reg-xtensa.dat",	"gdb/regformats/"],
-		],
-	["kernel", "target/xtensa",		# ???
-		["${pf2}core.h",	"include/asm-xtensa/variant-${config_name}/"],
-		["${pf2}tie.h",		"include/asm-xtensa/variant-${config_name}/"],
-		["${pf2}tie-asm.h",	"include/asm-xtensa/variant-${config_name}/"],
-		],
-);
-
-#  Check that all files are present ...
-foreach my $pack (@packages) {
-    my ($pname, $buildroot_subdir, @files) = @$pack;
-    print "Checking files for $pname ...\n";
-    foreach my $f (@files) {
-	my ($src, $dst) = @$f;
-	-f $ovdir."/".$src or Error("missing '$src' in overlay tarball");
-    }
-}
-
-
-######################################################################
-#
-#  Extract some useful information
-#
-
-#  Extract core name as specified in the build.
-my $coreh = readfile($ovdir."/".$pf2."core.h");
-
-$coreh =~ /^\s*\#\s*define\s+XCHAL_SW_VERSION\s+(\w+)/m;
-my $swversion = $1;
-defined($swversion) or Error("missing XCHAL_SW_VERSION in overlay core.h file;\n"
-	."overlay is too old, need RB-2008.3 (SW version 7.1.1) or later");
-
-$coreh =~ /^\s*\#\s*define\s+XCHAL_CORE_ID\s+"([^"]+)"/m;
-my $coreid = $1;
-defined($coreid) or Error("missing XCHAL_CORE_ID in overlay core.h file");
-
-$coreh =~ /^\s*\#\s*define\s+XCHAL_HW_VERSION_NAME\s+"([^"]+)"/m;
-my $hwversion = $1;
-defined($hwversion) or Error("missing XCHAL_HW_VERSION_NAME in overlay core.h file");
-
-
-$swvers_human = sprintf("%u.%u.%u",
-	$swversion/100000, (($swversion/1000) % 100), ($swversion % 1000));
-my $release = "software version $swvers_human";
-if (-f $ovdir."/release") {
-    $release = readfile($ovdir."/release");
-    chomp($release);
-}
-
-
-######################################################################
-#
-#  Prompt user to be sure this is what he wants to do
-#
-
-#  Catch Ctrl-C so we can do a proper cleanup:
-sub catch_term {
-    my $signame = shift;
-    #print STDERR "whoa!\n";
-    cleanup();
-    print STDERR "\n$progname: Cleaned up.\n";
-    exit 3;
-}
-$SIG{TERM} = \&catch_term;
-$SIG{HUP} = \&catch_term;
-$SIG{INT} = \&catch_term;
-
-$| = 1;
-print	"\n",
-	"About to generate package-specific overlay tarballs for the following:\n",
-	"\n",
-	"   Xtensa processor short name:   $config_name\n";
-print	"      This short name overrides the name specified in the XPG:  $coreid\n" if $coreid ne $config_name;
-#print	"      Please ensure that's the name you want.  If submitted to the open source\n",
-#	"      community, it can be a hassle to change later on.\n";
-print	"   Xtensa processor description:  $config_long_name\n",
-	"   Targeting Xtensa HW version:   $hwversion\n",
-	"   Xtensa configuration overlay:  $overlay_tarball\n",
-	"           (release of overlay):  $release\n",
-	"   Destination buildroot dir:     ".(defined($buildroot_dir)?$buildroot_dir:"(none, not installed)")."\n",
-	"   Destination Linux kernel dir:  ".(defined($kernel_dir)?$kernel_dir:"(none, not installed)")."\n",
-	"\n",
-	"Are you sure? (y/n) ";
-if ($prompt) {
-    my $line = <STDIN>;
-    chomp($line);
-    if ($line !~ /^y(es)?$/i) {
-	print "\nInstallation aborted.\n";
-	cleanup();
-	exit 2;
-    }
-} else {
-    print "YES [no prompt]\n";
-}
-print "\n";
-
-
-######################################################################
-#
-#  Now generate the tarballs
-#
-
-#  Now generate each tarball ...
-foreach my $pack (@packages) {
-    my ($pname, $buildroot_subdir, @files) = @$pack;
-    my $tarname = "${pname}-xtensa_${config_name}.tgz";
-    my $fulltarname;
-    if (defined($buildroot_dir)) {
-	my $tarsubname = $buildroot_subdir . "/" . $tarname;
-	print "Generating and installing $tarsubname ...\n";
-	$fulltarname = $buildroot_dir . "/" . $tarsubname;
-    } else {
-	print "Generating $tarname ...\n";
-	$fulltarname = $ovdir . "/" . $tarname;
-    }
-    if (-e $fulltarname) {
-	if ($force_clobber or !defined($buildroot_dir)) {
-	    unlink($fulltarname) or Error("could not delete '$fulltarname': $!");
-	} else {
-	    Error("destination tarball already exists: '$fulltarname'");
-	}
-    }
-    my $pdir = $ovdir."/tmp-".$pname;
-    system("rm -fr '${pdir}' 2>/dev/null");
-    mkdir $pdir or Error("cannot create directory $pdir");
-    foreach my $f (@files) {
-	my ($src, $dst) = @$f;
-	#  If $dst ends in / , take filename from $src :
-	if ($dst =~ m|/$|) {
-	    my $fname = $src;
-	    $fname =~ s|^.*/||;
-	    $dst .= $fname;
-	}
-	#  Ensure destination directory exists:
-	my $dstdir = $pdir;
-	while ($dst =~ s|^([^/]+)/+||) {
-	    $dstdir .= "/" . $1;
-	    mkdir($dstdir);
-	}
-	#  Read file:
-	my $content = readfile($ovdir."/".$src);
-
-	#  Adjust contents of file.
-	#  Fix-up typo:
-	$content =~ s/XCHAL_SA_(NCP|CP\d+)_/XCHAL_$1_SA_/g;
-	#  Update core name info:
-	my $iscore = ($content =~ s/^(\s*\#\s*define\s+XCHAL_CORE_ID\s+)"[^"]+"/$1"$config_name"/mg);
-	$iscore or $content =~ s{^(\s*\#\s*define\s+XCHAL_INST_FETCH_WIDTH\s+\S+\s*(/\*[^\*]*\*/)?\s*$)}
-				{$1\n\#undef XCHAL_CORE_ID\n\#define XCHAL_CORE_ID\t\t\t"$config_name"\n}smg;
-	#  Update core description info:
-	$content =~ s/^(\s*\#\s*define\s+XCHAL_CORE_DESCRIPTION\s+)"[^"]+"/$1"$config_long_name"/mg
-	  or $content =~ s{^(\s*\#\s*define\s+XCHAL_CORE_ID\s+\S+\s*(/\*[^\*]*\*/)?\s*$)}
-			  {"$1\n" . ($iscore ? "" : "\n\#undef XCHAL_CORE_DESCRIPTION\n")
-			   . "\#define XCHAL_CORE_DESCRIPTION\t\t\"${config_long_name}\""}smge;
-
-	#  Write (possibly modified) file:
-	writefile($dstdir."/".$dst, $content);
-    }
-    my $tarcmd = "tar cfz '${fulltarname}' -C '${pdir}' .";
-    system($tarcmd) and Error("failed executing: $tarcmd");
-
-    #  Install Linux kernel overlay:
-    if ($pname eq "kernel" and defined($kernel_dir)) {
-	print "Installing Linux kernel overlay from $tarname ...\n";
-	my $untarcmd = "tar xfz '${fulltarname}' -C '${kernel_dir}' .";
-	system($untarcmd) and Error("failed executing: $tarcmd");
-    }
-    #  Possible TODO:  update arch/xtensa/{Kconfig,Makefile} to add this config?
-}
-
-
-######################################################################
-#
-# The End
-#
-
-cleanup();
-print "Done.\n";
-exit 0;
-