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authorMaxim Grigoriev <maxim2405@gmail.com>2009-07-24 02:17:22 +0200
committerPeter Korsgaard <jacmet@sunsite.dk>2009-07-24 02:17:22 +0200
commit5ddb904a8620bceddd4df1c05c7342e10592c0c3 (patch)
tree0e01403aa2e63e0f36922cd10bda0cb31f4f6952 /target/xtensa/xt-buildroot-overlay-install
parentcd0b1ce3b7934c631477ad3262316199b73cce89 (diff)
downloadbuildroot-novena-5ddb904a8620bceddd4df1c05c7342e10592c0c3.tar.gz
buildroot-novena-5ddb904a8620bceddd4df1c05c7342e10592c0c3.zip
target/; xtensa support
Part of #163. Signed-off-by: Maxim Grigoriev <maxim2405@gmail.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Diffstat (limited to 'target/xtensa/xt-buildroot-overlay-install')
-rw-r--r--target/xtensa/xt-buildroot-overlay-install494
1 files changed, 494 insertions, 0 deletions
diff --git a/target/xtensa/xt-buildroot-overlay-install b/target/xtensa/xt-buildroot-overlay-install
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+++ b/target/xtensa/xt-buildroot-overlay-install
@@ -0,0 +1,494 @@
+#!/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 $?
+#!perl -w
+#line 8
+
+# xt-buildroot-overlay-install [-t overlay_tarball] [-b buildroot_dir] \
+# [-k kernel_dir] \
+# [-c config_name] [-l long_name] [-f] [--help]
+#
+# Creates individual overlay tarballs for gcc, binutils, gdb, and
+# the Linux kernel, out of the Xtensa Configuration Overlay tarball from
+# a Tensilica Core Package. And installs these individual tarballs
+# at the appropriate locations within a buildroot source tree.
+#
+# The Xtensa configuration overlay tarball is located in:
+# <xtensa_root>/src/xtensa-config-overlay.tar.gz
+# where <xtensa_root> is the path to the Tensilica Core Package.
+#
+# Copyright (c) 2003-2008 by Tensilica Inc. ALL RIGHTS RESERVED.
+# These coded instructions, statements, and computer programs are the
+# copyrighted works and confidential proprietary information of Tensilica Inc.
+# They may not be modified, copied, reproduced, distributed, or disclosed to
+# third parties in any manner, medium, or form, in whole or in part, without
+# the prior written consent of Tensilica Inc.
+#
+# History:
+# 2007-NOV-08 1.0 meg Initial version
+# 2007-NOV-21 1.1 meg Add -k parameter
+# 2007-DEC-06 1.2 meg Make -k and -b optional, check overlay sw vers.
+# 2008-FEB-27 1.3 meg Accept Xtensa Tools RB-2008.3 overlays
+
+$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;
+