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1 | # ========== Copyright Header Begin ========================================== |
2 | # | |
3 | # OpenSPARC T2 Processor File: Preprocess.pm | |
4 | # Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved | |
5 | # 4150 Network Circle, Santa Clara, California 95054, U.S.A. | |
6 | # | |
7 | # * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
8 | # | |
9 | # This program is free software; you can redistribute it and/or modify | |
10 | # it under the terms of the GNU General Public License as published by | |
11 | # the Free Software Foundation; version 2 of the License. | |
12 | # | |
13 | # This program is distributed in the hope that it will be useful, | |
14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | # GNU General Public License for more details. | |
17 | # | |
18 | # You should have received a copy of the GNU General Public License | |
19 | # along with this program; if not, write to the Free Software | |
20 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | # | |
22 | # For the avoidance of doubt, and except that if any non-GPL license | |
23 | # choice is available it will apply instead, Sun elects to use only | |
24 | # the General Public License version 2 (GPLv2) at this time for any | |
25 | # software where a choice of GPL license versions is made | |
26 | # available with the language indicating that GPLv2 or any later version | |
27 | # may be used, or where a choice of which version of the GPL is applied is | |
28 | # otherwise unspecified. | |
29 | # | |
30 | # Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
31 | # CA 95054 USA or visit www.sun.com if you need additional information or | |
32 | # have any questions. | |
33 | # | |
34 | # ========== Copyright Header End ============================================ | |
35 | # -*- perl -*- | |
36 | ||
37 | package Midas::Preprocess; | |
38 | use strict; | |
39 | use warnings; | |
40 | ||
41 | use IO::File; | |
42 | use File::Temp 'tempfile'; | |
43 | use File::Copy; | |
44 | ||
45 | use Midas::Command; | |
46 | use Midas::Paths; | |
47 | use Midas::Section; | |
48 | use Midas::MMU; | |
49 | use Midas::Configure; | |
50 | use Midas::State; | |
51 | use Midas::Globals; | |
52 | use Midas::Error; | |
53 | ||
54 | require Exporter; | |
55 | ||
56 | our @ISA = qw(Exporter); | |
57 | our @EXPORT = qw(preprocess); | |
58 | our @EXPORT_OK = qw(); | |
59 | our %EXPORT_TAGS = ( | |
60 | all => [qw( | |
61 | preprocess | |
62 | run_cpp | |
63 | run_m4 | |
64 | get_includes | |
65 | get_cpp_includes | |
66 | get_m4_includes | |
67 | ), | |
68 | ], | |
69 | internals => [qw( | |
70 | get_includes | |
71 | get_cpp_includes | |
72 | get_m4_includes | |
73 | ), | |
74 | ], | |
75 | ); | |
76 | ||
77 | Exporter::export_ok_tags('all', 'internals'); | |
78 | ||
79 | ############################################################################## | |
80 | ||
81 | # Perform both cpp and m4 preprocessing | |
82 | ||
83 | ############################################################################## | |
84 | ||
85 | sub preprocess { | |
86 | my $sfile = shift; | |
87 | my $cppfile = shift; | |
88 | my $m4file = shift; | |
89 | ||
90 | banner "PREPROCESSING PHASE"; | |
91 | ||
92 | my $pushd = Midas::Paths->pushd($STATE->get_build_dir); | |
93 | ||
94 | $m4file = path_to_build_file($CONFIG{local_m4}, $STATE) | |
95 | unless defined $m4file; | |
96 | ||
97 | if(exists $CONFIG{ttefmt} and defined $CONFIG{ttefmt}) { | |
98 | my $ttefmt = uc $CONFIG{ttefmt}; | |
99 | add_cpp_defines( | |
100 | "$ttefmt=1", | |
101 | ); | |
102 | } | |
103 | ||
104 | run_cpp($sfile, $cppfile); | |
105 | run_m4($cppfile, $m4file); | |
106 | ||
107 | } | |
108 | ||
109 | ############################################################################## | |
110 | ||
111 | sub get_includes { | |
112 | my $include_hash = shift; | |
113 | ||
114 | my $pushd = Midas::Paths->pushd($STATE->get_build_dir); | |
115 | ||
116 | my %roothash = ( | |
117 | diagroot => $STATE->get_diag_root(), | |
118 | startdir => $STATE->get_start_dir(), | |
119 | builddir => $STATE->get_build_dir(), | |
120 | abs => '/', | |
121 | ); | |
122 | ||
123 | my @root_order = qw(builddir startdir diagroot abs); | |
124 | ||
125 | my @incs; | |
126 | foreach my $root (@root_order) { | |
127 | next unless exists $include_hash->{$root}; | |
128 | fatal "Unknown include root $root in includes\n", M_DIR | |
129 | unless exists $roothash{$root}; | |
130 | ||
131 | my $rootpath = $roothash{$root}; | |
132 | foreach my $dir (@{$include_hash->{$root}}) { | |
133 | my $path = File::Spec->catdir($rootpath, | |
134 | split /\//, $dir); | |
135 | push @incs, $path; | |
136 | } | |
137 | } | |
138 | return @incs; | |
139 | ||
140 | } | |
141 | ||
142 | ############################################################################## | |
143 | ||
144 | sub get_cpp_includes { | |
145 | return get_includes($CONFIG{cpp_includes}); | |
146 | } | |
147 | ||
148 | ############################################################################## | |
149 | ||
150 | sub get_m4_includes { | |
151 | return get_includes($CONFIG{m4_includes}); | |
152 | } | |
153 | ||
154 | ############################################################################## | |
155 | ||
156 | # Use cpp to convert from assembly file to .cpp file | |
157 | ||
158 | ############################################################################## | |
159 | ||
160 | sub run_cpp { | |
161 | my $sfile = shift; | |
162 | my $cppfile = shift; | |
163 | ||
164 | my $pushd = Midas::Paths->pushd($STATE->get_build_dir); | |
165 | ||
166 | $sfile = path_to_build_file($CONFIG{local_s}, $STATE) | |
167 | unless defined $sfile; | |
168 | $cppfile = path_to_build_file($CONFIG{local_cpp}, $STATE) | |
169 | unless defined $cppfile; | |
170 | ||
171 | local ($_); | |
172 | # Don't compact path, b/c we want full path for standard includes | |
173 | my @incs = map { "-I$_" } get_cpp_includes(); | |
174 | my @defs = map { "-D$_" } @{$CONFIG{'cpp_defines'}}; | |
175 | ||
176 | my $need_space = (scalar @incs and scalar @defs) ? ' ' : ''; | |
177 | ||
178 | my $mmu_argstring = ''; | |
179 | my @mmu_args = @{$STATE->get_mmu()->mmu_cpp_args()}; | |
180 | if(@mmu_args) { | |
181 | ||
182 | $mmu_argstring .= ' ' . join ' ', @mmu_args; | |
183 | } | |
184 | ||
185 | my $arglist = | |
186 | (join ' ', @{$CONFIG{cpp_opt}}) . ' ' . | |
187 | (join ' ', @incs ) . $need_space . | |
188 | (join ' ', @defs) . $mmu_argstring; | |
189 | run_command("$CONFIG{cpp_cmd} $arglist $sfile > $cppfile", | |
190 | -errcode => M_CPPFAIL); | |
191 | } | |
192 | ||
193 | ############################################################################## | |
194 | ||
195 | # Take output of cpp and run through m4. | |
196 | ||
197 | ############################################################################## | |
198 | ||
199 | sub run_m4 { | |
200 | my $cppfile = shift; | |
201 | my $m4file = shift; | |
202 | ||
203 | my $pushd = Midas::Paths->pushd($STATE->get_build_dir); | |
204 | ||
205 | $cppfile = path_to_build_file($CONFIG{local_cpp}, $STATE) | |
206 | unless defined $cppfile; | |
207 | $m4file = path_to_build_file($CONFIG{local_m4}, $STATE) | |
208 | unless defined $m4file; | |
209 | ||
210 | local ($_); | |
211 | # Don't compact path, b/c we want full path for standard includes | |
212 | my @incs = map { "--include=$_" } get_m4_includes(); | |
213 | my $arglist = | |
214 | (join ' ', @{$CONFIG{m4_opt}}) . ' '. | |
215 | (join ' ', @incs); | |
216 | run_command("$CONFIG{m4_cmd} $arglist < $cppfile | $CONFIG{cat_cmd} --squeeze-blank > $m4file", | |
217 | -errcode => M_M4FAIL | |
218 | ); | |
219 | ||
220 | } | |
221 | ||
222 | ############################################################################## | |
223 | 1; |