GNU Binutils with patches for OS216
修订版 | d355127720dea14eef250e2e2c3db273d97f0c0c (tree) |
---|---|
时间 | 2003-03-30 08:29:48 |
作者 | nobody <> |
Commiter | nobody <> |
This commit was manufactured by cvs2svn to create branch
'cagney_framebase-20030326-branch'.
Cherrypick from master 2003-03-29 23:29:47 UTC Andrew Cagney <cagney@redhat.com> '2003-03-29 Andrew Cagney <cagney@redhat.com>':
@@ -0,0 +1,28 @@ | ||
1 | +/* Low level Unix child interface to ttrace, for GDB when running under HP-UX. | |
2 | + | |
3 | + Copyright 2003 Free Software Foundation, Inc. | |
4 | + | |
5 | + This file is part of GDB. | |
6 | + | |
7 | + This program is free software; you can redistribute it and/or modify | |
8 | + it under the terms of the GNU General Public License as published by | |
9 | + the Free Software Foundation; either version 2 of the License, or | |
10 | + (at your option) any later version. | |
11 | + | |
12 | + This program is distributed in the hope that it will be useful, | |
13 | + but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | + GNU General Public License for more details. | |
16 | + | |
17 | + You should have received a copy of the GNU General Public License | |
18 | + along with this program; if not, write to the Free Software | |
19 | + Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | + Boston, MA 02111-1307, USA. */ | |
21 | + | |
22 | +#ifndef INFTTRACE_H | |
23 | +#define INFTTRACE_H | |
24 | + | |
25 | +extern int parent_attach_all (int, PTRACE_ARG3_TYPE, int); | |
26 | +extern pid_t hppa_switched_threads (pid_t gdb_pid); | |
27 | + | |
28 | +#endif |
@@ -0,0 +1,48 @@ | ||
1 | +/* Test program for multi-register variable. | |
2 | + Copyright 2003 Free Software Foundation, Inc. | |
3 | + | |
4 | + This file is part of the gdb testsuite. | |
5 | + | |
6 | + This program is free software; you can redistribute it and/or modify | |
7 | + it under the terms of the GNU General Public License as published by | |
8 | + the Free Software Foundation; either version 2 of the License, or | |
9 | + (at your option) any later version. | |
10 | + | |
11 | + This program is distributed in the hope that it will be useful, | |
12 | + but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | + GNU General Public License for more details. | |
15 | + | |
16 | + You should have received a copy of the GNU General Public License | |
17 | + along with this program; if not, write to the Free Software | |
18 | + Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | + Boston, MA 02111-1307, USA. | |
20 | + | |
21 | + This file was written by Michael Elizabeth Chastain (mec@shout.net). */ | |
22 | + | |
23 | +struct s_2_by_4 | |
24 | +{ | |
25 | + int field_0; | |
26 | + int field_1; | |
27 | +}; | |
28 | + | |
29 | +void marker (struct s_2_by_4 s_whatever) | |
30 | +{ | |
31 | + s_whatever = s_whatever; | |
32 | + return; | |
33 | +} | |
34 | + | |
35 | +void foo () | |
36 | +{ | |
37 | + /* I want this variable in a register but I can't really force it */ | |
38 | + register struct s_2_by_4 s24; | |
39 | + s24.field_0 = 1170; | |
40 | + s24.field_1 = 64701; | |
41 | + marker (s24); | |
42 | + return; | |
43 | +} | |
44 | + | |
45 | +int main () | |
46 | +{ | |
47 | + foo (); | |
48 | +} |
@@ -0,0 +1,67 @@ | ||
1 | +# Copyright 2003 Free Software Foundation, Inc. | |
2 | + | |
3 | +# This program is free software; you can redistribute it and/or modify | |
4 | +# it under the terms of the GNU General Public License as published by | |
5 | +# the Free Software Foundation; either version 2 of the License, or | |
6 | +# (at your option) any later version. | |
7 | +# | |
8 | +# This program is distributed in the hope that it will be useful, | |
9 | +# but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | +# GNU General Public License for more details. | |
12 | +# | |
13 | +# You should have received a copy of the GNU General Public License | |
14 | +# along with this program; if not, write to the Free Software | |
15 | +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
16 | + | |
17 | +# Tests for PR gdb/1090. | |
18 | +# 2003-02-23 Michael Chastain <mec@shout.net> | |
19 | + | |
20 | +# This file is part of the gdb testsuite. | |
21 | + | |
22 | +if $tracelevel then { | |
23 | + strace $tracelevel | |
24 | + } | |
25 | + | |
26 | +# | |
27 | +# test running programs | |
28 | +# | |
29 | +set prms_id 0 | |
30 | +set bug_id 0 | |
31 | + | |
32 | +set testfile "gdb1090" | |
33 | +set srcfile ${testfile}.c | |
34 | +set binfile ${objdir}/${subdir}/${testfile} | |
35 | + | |
36 | +if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { | |
37 | + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." | |
38 | +} | |
39 | + | |
40 | +gdb_exit | |
41 | +gdb_start | |
42 | +gdb_reinitialize_dir $srcdir/$subdir | |
43 | +gdb_load ${binfile} | |
44 | + | |
45 | +if ![runto marker] then { | |
46 | + perror "couldn't run to breakpoint" | |
47 | + continue | |
48 | +} | |
49 | +gdb_test "up" ".*foo.*" "up from marker" | |
50 | + | |
51 | +send_gdb "print s24\n" | |
52 | +gdb_expect { | |
53 | + -re "\\\$\[0-9\]* = \\{field_0 = 1170, field_1 = 64701\\}\r\n$gdb_prompt $" { | |
54 | + pass "print s24" | |
55 | + } | |
56 | + -re "\\\$\[0-9\]* = \\{field_0 = 1170, field_1 = .*\\}\r\n$gdb_prompt $" { | |
57 | + # happens with gcc 2.95.3, which actually puts s24 in registers. | |
58 | + # gdb cannot find the second register and prints garbage. | |
59 | + kfail "gdb/1090" "print s24" | |
60 | + } | |
61 | + -re ".*$gdb_prompt $" { | |
62 | + fail "print s24" | |
63 | + } | |
64 | + timeout { | |
65 | + fail "print s24 (timeout)" | |
66 | + } | |
67 | +} |
@@ -0,0 +1,274 @@ | ||
1 | +# Copyright 2003 | |
2 | +# Free Software Foundation, Inc. | |
3 | + | |
4 | +# This program is free software; you can redistribute it and/or modify | |
5 | +# it under the terms of the GNU General Public License as published by | |
6 | +# the Free Software Foundation; either version 2 of the License, or | |
7 | +# (at your option) any later version. | |
8 | +# | |
9 | +# This program is distributed in the hope that it will be useful, | |
10 | +# but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | +# GNU General Public License for more details. | |
13 | +# | |
14 | +# You should have received a copy of the GNU General Public License | |
15 | +# along with this program; if not, write to the Free Software | |
16 | +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
17 | + | |
18 | +# Please email any bugs, comments, and/or additions to this file to: | |
19 | +# bug-gdb@prep.ai.mit.edu | |
20 | + | |
21 | +# This file was written by Joel Brobecker (brobecker@gnat.com), derived | |
22 | +# from xfullpath.exp. | |
23 | + | |
24 | +if $tracelevel then { | |
25 | + strace $tracelevel | |
26 | +} | |
27 | + | |
28 | +set prms_id 0 | |
29 | +set bug_id 0 | |
30 | + | |
31 | +# are we on a target board | |
32 | +if [is_remote target] { | |
33 | + return | |
34 | +} | |
35 | + | |
36 | +if [istarget "m68k*-*-hpux*"] then { | |
37 | + # The top-level makefile passes CFLAGS= (no -g) for hp300. This probably | |
38 | + # should be fixed (it is only needed for gcc bootstrapping, not gdb), | |
39 | + # but until then..... | |
40 | + setup_xfail "*-*-*" | |
41 | + fail "cannot test self if compiled without debug info" | |
42 | + return -1 | |
43 | +} | |
44 | + | |
45 | +proc setup_test { executable } { | |
46 | + global gdb_prompt | |
47 | + global timeout | |
48 | + | |
49 | + # load yourself into the debugger | |
50 | + # This can take a relatively long time, particularly for testing where | |
51 | + # the executable is being accessed over a network, or where gdb does not | |
52 | + # support partial symbols for a particular target and has to load the | |
53 | + # entire symbol table. Set the timeout to 10 minutes, which should be | |
54 | + # adequate for most environments (it *has* timed out with 5 min on a | |
55 | + # SPARCstation SLC under moderate load, so this isn't unreasonable). | |
56 | + # After gdb is started, set the timeout to 30 seconds for the duration | |
57 | + # of this test, and then back to the original value. | |
58 | + | |
59 | + set oldtimeout $timeout | |
60 | + set timeout 600 | |
61 | + verbose "Timeout is now $timeout seconds" 2 | |
62 | + if {[gdb_load $executable] <0} then { | |
63 | + set timeout $oldtimeout | |
64 | + verbose "Timeout is now $timeout seconds" 2 | |
65 | + return -1 | |
66 | + } | |
67 | + set timeout $oldtimeout | |
68 | + verbose "Timeout is now $timeout seconds" 2 | |
69 | + | |
70 | + # Set a breakpoint at main | |
71 | + gdb_test "break captured_main" \ | |
72 | + "Breakpoint.*at.* file.*, line.*" \ | |
73 | + "breakpoint in captured_main" | |
74 | + | |
75 | + # run yourself | |
76 | + # It may take a very long time for the inferior gdb to start (lynx), | |
77 | + # so we bump it back up for the duration of this command. | |
78 | + set timeout 600 | |
79 | + | |
80 | + set description "run until breakpoint at captured_main" | |
81 | + send_gdb "run -nw\n" | |
82 | + gdb_expect { | |
83 | + -re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .data.* at .*main.c:.*$gdb_prompt $" { | |
84 | + pass "$description" | |
85 | + } | |
86 | + -re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .data.*$gdb_prompt $" { | |
87 | + xfail "$description (line numbers scrambled?)" | |
88 | + } | |
89 | + -re "vfork: No more processes.*$gdb_prompt $" { | |
90 | + fail "$description (out of virtual memory)" | |
91 | + set timeout $oldtimeout | |
92 | + verbose "Timeout is now $timeout seconds" 2 | |
93 | + return -1 | |
94 | + } | |
95 | + -re ".*$gdb_prompt $" { | |
96 | + fail "$description" | |
97 | + set timeout $oldtimeout | |
98 | + verbose "Timeout is now $timeout seconds" 2 | |
99 | + return -1 | |
100 | + } | |
101 | + timeout { | |
102 | + fail "$description (timeout)" | |
103 | + } | |
104 | + } | |
105 | + | |
106 | + set timeout $oldtimeout | |
107 | + verbose "Timeout is now $timeout seconds" 2 | |
108 | + | |
109 | + return 0 | |
110 | +} | |
111 | + | |
112 | +proc attach_first_observer { } { | |
113 | + gdb_test "set \$first_obs = observer_attach_normal_stop (&observer_test_first_notification_function)" \ | |
114 | + "" "attach first observer" | |
115 | +} | |
116 | + | |
117 | +proc attach_second_observer { } { | |
118 | + gdb_test "set \$second_obs = observer_attach_normal_stop (&observer_test_second_notification_function)" \ | |
119 | + "" "attach second observer" | |
120 | +} | |
121 | + | |
122 | +proc attach_third_observer { } { | |
123 | + gdb_test "set \$third_obs = observer_attach_normal_stop (&observer_test_third_notification_function)" \ | |
124 | + "" "attach third observer" | |
125 | +} | |
126 | + | |
127 | +proc detach_first_observer { } { | |
128 | + gdb_test "call observer_detach_normal_stop (\$first_obs)" \ | |
129 | + "" "detach first observer" | |
130 | +} | |
131 | + | |
132 | +proc detach_second_observer { } { | |
133 | + gdb_test "call observer_detach_normal_stop (\$second_obs)" \ | |
134 | + "" "detach second observer" | |
135 | +} | |
136 | + | |
137 | +proc detach_third_observer { } { | |
138 | + gdb_test "call observer_detach_normal_stop (\$third_obs)" \ | |
139 | + "" "detach third observer" | |
140 | +} | |
141 | + | |
142 | +proc check_counters { first second third message } { | |
143 | + gdb_test "print observer_test_first_observer" \ | |
144 | + ".\[0-9\]+ =.*$first" \ | |
145 | + "check first observer counter value ($message)" | |
146 | + gdb_test "print observer_test_second_observer" \ | |
147 | + ".\[0-9\]+ =.*$second" \ | |
148 | + "check second observer counter value ($message)" | |
149 | + gdb_test "print observer_test_third_observer" \ | |
150 | + ".\[0-9\]+ =.*$third" \ | |
151 | + "check third observer counter value ($message)" | |
152 | +} | |
153 | + | |
154 | +proc reset_counters { } { | |
155 | + gdb_test "set variable observer_test_first_observer = 0" "" \ | |
156 | + "reset first observer counter" | |
157 | + gdb_test "set variable observer_test_second_observer = 0" "" \ | |
158 | + "reset second observer counter" | |
159 | + gdb_test "set variable observer_test_third_observer = 0" "" \ | |
160 | + "reset third observer counter" | |
161 | +} | |
162 | + | |
163 | +proc test_normal_stop_notifications { first second third message } { | |
164 | + reset_counters | |
165 | + gdb_test "call observer_notify_normal_stop ()" "" \ | |
166 | + "sending notification ($message)" | |
167 | + check_counters $first $second $third $message | |
168 | +} | |
169 | + | |
170 | +proc test_observer_normal_stop { executable } { | |
171 | + | |
172 | + set setup_result [setup_test $executable] | |
173 | + if {$setup_result <0} then { | |
174 | + return -1 | |
175 | + } | |
176 | + | |
177 | + # First, try sending a notification without any observer attached. | |
178 | + test_normal_stop_notifications 0 0 0 "no observer" | |
179 | + | |
180 | + # Now, attach one observer, and send a notification. | |
181 | + attach_second_observer | |
182 | + test_normal_stop_notifications 0 1 0 "one observer" | |
183 | + | |
184 | + # Remove the observer, and send a notification. | |
185 | + detach_second_observer | |
186 | + test_normal_stop_notifications 0 0 0 "no observer" | |
187 | + | |
188 | + # With a new observer. | |
189 | + attach_first_observer | |
190 | + test_normal_stop_notifications 1 0 0 "a new observer" | |
191 | + | |
192 | + # With 2 observers. | |
193 | + attach_second_observer | |
194 | + test_normal_stop_notifications 1 1 0 "2 observers" | |
195 | + | |
196 | + # With 3 observers. | |
197 | + attach_third_observer | |
198 | + test_normal_stop_notifications 1 1 1 "3 observers" | |
199 | + | |
200 | + # Remove middle observer. | |
201 | + detach_second_observer | |
202 | + test_normal_stop_notifications 1 0 1 "middle observer removed" | |
203 | + | |
204 | + # Remove first observer. | |
205 | + detach_first_observer | |
206 | + test_normal_stop_notifications 0 0 1 "first observer removed" | |
207 | + | |
208 | + # Remove last observer. | |
209 | + detach_third_observer | |
210 | + test_normal_stop_notifications 0 0 0 "last observer removed" | |
211 | + | |
212 | + # Go back to 3 observers, and remove them in a different order... | |
213 | + attach_first_observer | |
214 | + attach_second_observer | |
215 | + attach_third_observer | |
216 | + test_normal_stop_notifications 1 1 1 "3 observers again" | |
217 | + | |
218 | + # Remove the third observer. | |
219 | + detach_third_observer | |
220 | + test_normal_stop_notifications 1 1 0 "third observer removed" | |
221 | + | |
222 | + # Remove the second observer. | |
223 | + detach_second_observer | |
224 | + test_normal_stop_notifications 1 0 0 "second observer removed" | |
225 | + | |
226 | + # Remove the first observer, no more observers. | |
227 | + detach_first_observer | |
228 | + test_normal_stop_notifications 0 0 0 "last observer removed" | |
229 | + | |
230 | + return 0 | |
231 | +} | |
232 | + | |
233 | +# Find a pathname to a file that we would execute if the shell was asked | |
234 | +# to run $arg using the current PATH. | |
235 | + | |
236 | +proc find_gdb { arg } { | |
237 | + | |
238 | + # If the arg directly specifies an existing executable file, then | |
239 | + # simply use it. | |
240 | + | |
241 | + if [file executable $arg] then { | |
242 | + return $arg | |
243 | + } | |
244 | + | |
245 | + set result [which $arg] | |
246 | + if [string match "/" [ string range $result 0 0 ]] then { | |
247 | + return $result | |
248 | + } | |
249 | + | |
250 | + # If everything fails, just return the unqualified pathname as default | |
251 | + # and hope for best. | |
252 | + | |
253 | + return $arg | |
254 | +} | |
255 | + | |
256 | +# Run the test with self. | |
257 | +# Copy the file executable file in case this OS doesn't like to edit its own | |
258 | +# text space. | |
259 | + | |
260 | +set GDB_FULLPATH [find_gdb $GDB] | |
261 | + | |
262 | +# Remove any old copy lying around. | |
263 | +remote_file host delete x$tool | |
264 | + | |
265 | +gdb_start | |
266 | +set file [remote_download host $GDB_FULLPATH x$tool] | |
267 | +set result [test_observer_normal_stop $file]; | |
268 | +gdb_exit; | |
269 | +catch "remote_file host delete $file"; | |
270 | + | |
271 | +if {$result <0} then { | |
272 | + warning "Couldn't test self" | |
273 | + return -1 | |
274 | +} |
@@ -0,0 +1,3730 @@ | ||
1 | +/* iwmmxt.c -- Intel(r) Wireless MMX(tm) technology co-processor interface. | |
2 | + Copyright (C) 2002 Free Software Foundation, Inc. | |
3 | + Contributed by matthew green (mrg@redhat.com). | |
4 | + | |
5 | + This program is free software; you can redistribute it and/or modify | |
6 | + it under the terms of the GNU General Public License as published by | |
7 | + the Free Software Foundation; either version 2 of the License, or | |
8 | + (at your option) any later version. | |
9 | + | |
10 | + This program is distributed in the hope that it will be useful, | |
11 | + but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | + GNU General Public License for more details. | |
14 | + | |
15 | + You should have received a copy of the GNU General Public License | |
16 | + along with this program; if not, write to the Free Software | |
17 | + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
18 | + | |
19 | +#include "armdefs.h" | |
20 | +#include "armos.h" | |
21 | +#include "armemu.h" | |
22 | +#include "ansidecl.h" | |
23 | +#include "iwmmxt.h" | |
24 | + | |
25 | +/* #define DEBUG 1 */ | |
26 | + | |
27 | +/* Intel(r) Wireless MMX(tm) technology co-processor. | |
28 | + It uses co-processor numbers (0 and 1). There are 16 vector registers wRx | |
29 | + and 16 control registers wCx. Co-processors 0 and 1 are used in MCR/MRC | |
30 | + to access wRx and wCx respectively. */ | |
31 | + | |
32 | +static ARMdword wR[16]; | |
33 | +static ARMword wC[16] = { 0x69051010 }; | |
34 | + | |
35 | +#define SUBSTR(w,t,m,n) ((t)(w << ((sizeof (t) * 8 - 1) - (n))) \ | |
36 | + >> (((sizeof (t) * 8 - 1) - (n)) + (m))) | |
37 | +#define wCBITS(w,x,y) SUBSTR (wC[w], ARMword, x, y) | |
38 | +#define wRBITS(w,x,y) SUBSTR (wR[w], ARMdword, x, y) | |
39 | +#define wCID 0 | |
40 | +#define wCon 1 | |
41 | +#define wCSSF 2 | |
42 | +#define wCASF 3 | |
43 | +#define wCGR0 8 | |
44 | +#define wCGR1 9 | |
45 | +#define wCGR2 10 | |
46 | +#define wCGR3 11 | |
47 | + | |
48 | +/* Bits in the wCon register. */ | |
49 | +#define WCON_CUP (1 << 0) | |
50 | +#define WCON_MUP (1 << 1) | |
51 | + | |
52 | +/* Set the SIMD wCASF flags for 8, 16, 32 or 64-bit operations. */ | |
53 | +#define SIMD8_SET(x, v, n, b) (x) |= ((v != 0) << ((((b) + 1) * 4) + (n))) | |
54 | +#define SIMD16_SET(x, v, n, h) (x) |= ((v != 0) << ((((h) + 1) * 8) + (n))) | |
55 | +#define SIMD32_SET(x, v, n, w) (x) |= ((v != 0) << ((((w) + 1) * 16) + (n))) | |
56 | +#define SIMD64_SET(x, v, n) (x) |= ((v != 0) << (32 + (n))) | |
57 | + | |
58 | +/* Flags to pass as "n" above. */ | |
59 | +#define SIMD_NBIT -1 | |
60 | +#define SIMD_ZBIT -2 | |
61 | +#define SIMD_CBIT -3 | |
62 | +#define SIMD_VBIT -4 | |
63 | + | |
64 | +/* Various status bit macros. */ | |
65 | +#define NBIT8(x) ((x) & 0x80) | |
66 | +#define NBIT16(x) ((x) & 0x8000) | |
67 | +#define NBIT32(x) ((x) & 0x80000000) | |
68 | +#define NBIT64(x) ((x) & 0x8000000000000000ULL) | |
69 | +#define ZBIT8(x) (((x) & 0xff) == 0) | |
70 | +#define ZBIT16(x) (((x) & 0xffff) == 0) | |
71 | +#define ZBIT32(x) (((x) & 0xffffffff) == 0) | |
72 | +#define ZBIT64(x) (x == 0) | |
73 | + | |
74 | +/* Access byte/half/word "n" of register "x". */ | |
75 | +#define wRBYTE(x,n) wRBITS ((x), (n) * 8, (n) * 8 + 7) | |
76 | +#define wRHALF(x,n) wRBITS ((x), (n) * 16, (n) * 16 + 15) | |
77 | +#define wRWORD(x,n) wRBITS ((x), (n) * 32, (n) * 32 + 31) | |
78 | + | |
79 | +/* Macro to handle how the G bit selects wCGR registers. */ | |
80 | +#define DECODE_G_BIT(state, instr, shift) \ | |
81 | +{ \ | |
82 | + unsigned int reg; \ | |
83 | + \ | |
84 | + reg = BITS (0, 3); \ | |
85 | + \ | |
86 | + if (BIT (8)) /* G */ \ | |
87 | + { \ | |
88 | + if (reg < wCGR0 || reg > wCGR3) \ | |
89 | + { \ | |
90 | + ARMul_UndefInstr (state, instr); \ | |
91 | + return ARMul_DONE; \ | |
92 | + } \ | |
93 | + shift = wC [reg]; \ | |
94 | + } \ | |
95 | + else \ | |
96 | + shift = wR [reg]; \ | |
97 | + \ | |
98 | + shift &= 0xff; \ | |
99 | +} | |
100 | + | |
101 | +/* Index calculations for the satrv[] array. */ | |
102 | +#define BITIDX8(x) (x) | |
103 | +#define BITIDX16(x) (((x) + 1) * 2 - 1) | |
104 | +#define BITIDX32(x) (((x) + 1) * 4 - 1) | |
105 | + | |
106 | +/* Sign extension macros. */ | |
107 | +#define EXTEND8(a) ((a) & 0x80 ? ((a) | 0xffffff00) : (a)) | |
108 | +#define EXTEND16(a) ((a) & 0x8000 ? ((a) | 0xffff0000) : (a)) | |
109 | +#define EXTEND32(a) ((a) & 0x80000000ULL ? ((a) | 0xffffffff00000000ULL) : (a)) | |
110 | + | |
111 | +/* Set the wCSSF from 8 values. */ | |
112 | +#define SET_wCSSF(a,b,c,d,e,f,g,h) \ | |
113 | + wC[wCSSF] = (((h) != 0) << 7) | (((g) != 0) << 6) \ | |
114 | + | (((f) != 0) << 5) | (((e) != 0) << 4) \ | |
115 | + | (((d) != 0) << 3) | (((c) != 0) << 2) \ | |
116 | + | (((b) != 0) << 1) | (((a) != 0) << 0); | |
117 | + | |
118 | +/* Set the wCSSR from an array with 8 values. */ | |
119 | +#define SET_wCSSFvec(v) \ | |
120 | + SET_wCSSF((v)[0],(v)[1],(v)[2],(v)[3],(v)[4],(v)[5],(v)[6],(v)[7]) | |
121 | + | |
122 | +/* Size qualifiers for vector operations. */ | |
123 | +#define Bqual 0 | |
124 | +#define Hqual 1 | |
125 | +#define Wqual 2 | |
126 | +#define Dqual 3 | |
127 | + | |
128 | +/* Saturation qualifiers for vector operations. */ | |
129 | +#define NoSaturation 0 | |
130 | +#define UnsignedSaturation 1 | |
131 | +#define SignedSaturation 3 | |
132 | + | |
133 | + | |
134 | +/* Prototypes. */ | |
135 | +static ARMword Add32 (ARMword, ARMword, int *, int *, ARMword); | |
136 | +static ARMdword AddS32 (ARMdword, ARMdword, int *, int *); | |
137 | +static ARMdword AddU32 (ARMdword, ARMdword, int *, int *); | |
138 | +static ARMword AddS16 (ARMword, ARMword, int *, int *); | |
139 | +static ARMword AddU16 (ARMword, ARMword, int *, int *); | |
140 | +static ARMword AddS8 (ARMword, ARMword, int *, int *); | |
141 | +static ARMword AddU8 (ARMword, ARMword, int *, int *); | |
142 | +static ARMword Sub32 (ARMword, ARMword, int *, int *, ARMword); | |
143 | +static ARMdword SubS32 (ARMdword, ARMdword, int *, int *); | |
144 | +static ARMdword SubU32 (ARMdword, ARMdword, int *, int *); | |
145 | +static ARMword SubS16 (ARMword, ARMword, int *, int *); | |
146 | +static ARMword SubS8 (ARMword, ARMword, int *, int *); | |
147 | +static ARMword SubU16 (ARMword, ARMword, int *, int *); | |
148 | +static ARMword SubU8 (ARMword, ARMword, int *, int *); | |
149 | +static unsigned char IwmmxtSaturateU8 (signed short, int *); | |
150 | +static signed char IwmmxtSaturateS8 (signed short, int *); | |
151 | +static unsigned short IwmmxtSaturateU16 (signed int, int *); | |
152 | +static signed short IwmmxtSaturateS16 (signed int, int *); | |
153 | +static unsigned long IwmmxtSaturateU32 (signed long long, int *); | |
154 | +static signed long IwmmxtSaturateS32 (signed long long, int *); | |
155 | +static ARMword Compute_Iwmmxt_Address (ARMul_State *, ARMword, int *); | |
156 | +static ARMdword Iwmmxt_Load_Double_Word (ARMul_State *, ARMword); | |
157 | +static ARMword Iwmmxt_Load_Word (ARMul_State *, ARMword); | |
158 | +static ARMword Iwmmxt_Load_Half_Word (ARMul_State *, ARMword); | |
159 | +static ARMword Iwmmxt_Load_Byte (ARMul_State *, ARMword); | |
160 | +static void Iwmmxt_Store_Double_Word (ARMul_State *, ARMword, ARMdword); | |
161 | +static void Iwmmxt_Store_Word (ARMul_State *, ARMword, ARMword); | |
162 | +static void Iwmmxt_Store_Half_Word (ARMul_State *, ARMword, ARMword); | |
163 | +static void Iwmmxt_Store_Byte (ARMul_State *, ARMword, ARMword); | |
164 | +static int Process_Instruction (ARMul_State *, ARMword); | |
165 | + | |
166 | +static int TANDC (ARMul_State *, ARMword); | |
167 | +static int TBCST (ARMul_State *, ARMword); | |
168 | +static int TEXTRC (ARMul_State *, ARMword); | |
169 | +static int TEXTRM (ARMul_State *, ARMword); | |
170 | +static int TINSR (ARMul_State *, ARMword); | |
171 | +static int TMCR (ARMul_State *, ARMword); | |
172 | +static int TMCRR (ARMul_State *, ARMword); | |
173 | +static int TMIA (ARMul_State *, ARMword); | |
174 | +static int TMIAPH (ARMul_State *, ARMword); | |
175 | +static int TMIAxy (ARMul_State *, ARMword); | |
176 | +static int TMOVMSK (ARMul_State *, ARMword); | |
177 | +static int TMRC (ARMul_State *, ARMword); | |
178 | +static int TMRRC (ARMul_State *, ARMword); | |
179 | +static int TORC (ARMul_State *, ARMword); | |
180 | +static int WACC (ARMul_State *, ARMword); | |
181 | +static int WADD (ARMul_State *, ARMword); | |
182 | +static int WALIGNI (ARMword); | |
183 | +static int WALIGNR (ARMul_State *, ARMword); | |
184 | +static int WAND (ARMword); | |
185 | +static int WANDN (ARMword); | |
186 | +static int WAVG2 (ARMword); | |
187 | +static int WCMPEQ (ARMul_State *, ARMword); | |
188 | +static int WCMPGT (ARMul_State *, ARMword); | |
189 | +static int WLDR (ARMul_State *, ARMword); | |
190 | +static int WMAC (ARMword); | |
191 | +static int WMADD (ARMword); | |
192 | +static int WMAX (ARMul_State *, ARMword); | |
193 | +static int WMIN (ARMul_State *, ARMword); | |
194 | +static int WMUL (ARMword); | |
195 | +static int WOR (ARMword); | |
196 | +static int WPACK (ARMul_State *, ARMword); | |
197 | +static int WROR (ARMul_State *, ARMword); | |
198 | +static int WSAD (ARMword); | |
199 | +static int WSHUFH (ARMword); | |
200 | +static int WSLL (ARMul_State *, ARMword); | |
201 | +static int WSRA (ARMul_State *, ARMword); | |
202 | +static int WSRL (ARMul_State *, ARMword); | |
203 | +static int WSTR (ARMul_State *, ARMword); | |
204 | +static int WSUB (ARMul_State *, ARMword); | |
205 | +static int WUNPCKEH (ARMul_State *, ARMword); | |
206 | +static int WUNPCKEL (ARMul_State *, ARMword); | |
207 | +static int WUNPCKIH (ARMul_State *, ARMword); | |
208 | +static int WUNPCKIL (ARMul_State *, ARMword); | |
209 | +static int WXOR (ARMword); | |
210 | + | |
211 | +/* This function does the work of adding two 32bit values | |
212 | + together, and calculating if a carry has occurred. */ | |
213 | + | |
214 | +static ARMword | |
215 | +Add32 (ARMword a1, | |
216 | + ARMword a2, | |
217 | + int * carry_ptr, | |
218 | + int * overflow_ptr, | |
219 | + ARMword sign_mask) | |
220 | +{ | |
221 | + ARMword result = (a1 + a2); | |
222 | + unsigned int uresult = (unsigned int) result; | |
223 | + unsigned int ua1 = (unsigned int) a1; | |
224 | + | |
225 | + /* If (result == a1) and (a2 == 0), | |
226 | + or (result > a2) then we have no carry. */ | |
227 | + * carry_ptr = ((uresult == ua1) ? (a2 != 0) : (uresult < ua1)); | |
228 | + | |
229 | + /* Overflow occurs when both arguments are the | |
230 | + same sign, but the result is a different sign. */ | |
231 | + * overflow_ptr = ( ( (result & sign_mask) && !(a1 & sign_mask) && !(a2 & sign_mask)) | |
232 | + || (!(result & sign_mask) && (a1 & sign_mask) && (a2 & sign_mask))); | |
233 | + | |
234 | + return result; | |
235 | +} | |
236 | + | |
237 | +static ARMdword | |
238 | +AddS32 (ARMdword a1, ARMdword a2, int * carry_ptr, int * overflow_ptr) | |
239 | +{ | |
240 | + ARMdword result; | |
241 | + unsigned int uresult; | |
242 | + unsigned int ua1; | |
243 | + | |
244 | + a1 = EXTEND32 (a1); | |
245 | + a2 = EXTEND32 (a2); | |
246 | + | |
247 | + result = a1 + a2; | |
248 | + uresult = (unsigned int) result; | |
249 | + ua1 = (unsigned int) a1; | |
250 | + | |
251 | + * carry_ptr = ((uresult == a1) ? (a2 != 0) : (uresult < ua1)); | |
252 | + | |
253 | + * overflow_ptr = ( ( (result & 0x80000000ULL) && !(a1 & 0x80000000ULL) && !(a2 & 0x80000000ULL)) | |
254 | + || (!(result & 0x80000000ULL) && (a1 & 0x80000000ULL) && (a2 & 0x80000000ULL))); | |
255 | + | |
256 | + return result; | |
257 | +} | |
258 | + | |
259 | +static ARMdword | |
260 | +AddU32 (ARMdword a1, ARMdword a2, int * carry_ptr, int * overflow_ptr) | |
261 | +{ | |
262 | + ARMdword result; | |
263 | + unsigned int uresult; | |
264 | + unsigned int ua1; | |
265 | + | |
266 | + a1 &= 0xffffffff; | |
267 | + a2 &= 0xffffffff; | |
268 | + | |
269 | + result = a1 + a2; | |
270 | + uresult = (unsigned int) result; | |
271 | + ua1 = (unsigned int) a1; | |
272 | + | |
273 | + * carry_ptr = ((uresult == a1) ? (a2 != 0) : (uresult < ua1)); | |
274 | + | |
275 | + * overflow_ptr = ( ( (result & 0x80000000ULL) && !(a1 & 0x80000000ULL) && !(a2 & 0x80000000ULL)) | |
276 | + || (!(result & 0x80000000ULL) && (a1 & 0x80000000ULL) && (a2 & 0x80000000ULL))); | |
277 | + | |
278 | + return result; | |
279 | +} | |
280 | + | |
281 | +static ARMword | |
282 | +AddS16 (ARMword a1, ARMword a2, int * carry_ptr, int * overflow_ptr) | |
283 | +{ | |
284 | + a1 = EXTEND16 (a1); | |
285 | + a2 = EXTEND16 (a2); | |
286 | + | |
287 | + return Add32 (a1, a2, carry_ptr, overflow_ptr, 0x8000); | |
288 | +} | |
289 | + | |
290 | +static ARMword | |
291 | +AddU16 (ARMword a1, ARMword a2, int * carry_ptr, int * overflow_ptr) | |
292 | +{ | |
293 | + a1 &= 0xffff; | |
294 | + a2 &= 0xffff; | |
295 | + | |
296 | + return Add32 (a1, a2, carry_ptr, overflow_ptr, 0x8000); | |
297 | +} | |
298 | + | |
299 | +static ARMword | |
300 | +AddS8 (ARMword a1, ARMword a2, int * carry_ptr, int * overflow_ptr) | |
301 | +{ | |
302 | + a1 = EXTEND8 (a1); | |
303 | + a2 = EXTEND8 (a2); | |
304 | + | |
305 | + return Add32 (a1, a2, carry_ptr, overflow_ptr, 0x80); | |
306 | +} | |
307 | + | |
308 | +static ARMword | |
309 | +AddU8 (ARMword a1, ARMword a2, int * carry_ptr, int * overflow_ptr) | |
310 | +{ | |
311 | + a1 &= 0xff; | |
312 | + a2 &= 0xff; | |
313 | + | |
314 | + return Add32 (a1, a2, carry_ptr, overflow_ptr, 0x80); | |
315 | +} | |
316 | + | |
317 | +static ARMword | |
318 | +Sub32 (ARMword a1, | |
319 | + ARMword a2, | |
320 | + int * borrow_ptr, | |
321 | + int * overflow_ptr, | |
322 | + ARMword sign_mask) | |
323 | +{ | |
324 | + ARMword result = (a1 - a2); | |
325 | + unsigned int ua1 = (unsigned int) a1; | |
326 | + unsigned int ua2 = (unsigned int) a2; | |
327 | + | |
328 | + /* A borrow occurs if a2 is (unsigned) larger than a1. | |
329 | + However the carry flag is *cleared* if a borrow occurs. */ | |
330 | + * borrow_ptr = ! (ua2 > ua1); | |
331 | + | |
332 | + /* Overflow occurs when a negative number is subtracted from a | |
333 | + positive number and the result is negative or a positive | |
334 | + number is subtracted from a negative number and the result is | |
335 | + positive. */ | |
336 | + * overflow_ptr = ( (! (a1 & sign_mask) && (a2 & sign_mask) && (result & sign_mask)) | |
337 | + || ((a1 & sign_mask) && ! (a2 & sign_mask) && ! (result & sign_mask))); | |
338 | + | |
339 | + return result; | |
340 | +} | |
341 | + | |
342 | +static ARMdword | |
343 | +SubS32 (ARMdword a1, ARMdword a2, int * borrow_ptr, int * overflow_ptr) | |
344 | +{ | |
345 | + ARMdword result; | |
346 | + unsigned int ua1; | |
347 | + unsigned int ua2; | |
348 | + | |
349 | + a1 = EXTEND32 (a1); | |
350 | + a2 = EXTEND32 (a2); | |
351 | + | |
352 | + result = a1 - a2; | |
353 | + ua1 = (unsigned int) a1; | |
354 | + ua2 = (unsigned int) a2; | |
355 | + | |
356 | + * borrow_ptr = ! (ua2 > ua1); | |
357 | + | |
358 | + * overflow_ptr = ( (! (a1 & 0x80000000ULL) && (a2 & 0x80000000ULL) && (result & 0x80000000ULL)) | |
359 | + || ((a1 & 0x80000000ULL) && ! (a2 & 0x80000000ULL) && ! (result & 0x80000000ULL))); | |
360 | + | |
361 | + return result; | |
362 | +} | |
363 | + | |
364 | +static ARMword | |
365 | +SubS16 (ARMword a1, ARMword a2, int * carry_ptr, int * overflow_ptr) | |
366 | +{ | |
367 | + a1 = EXTEND16 (a1); | |
368 | + a2 = EXTEND16 (a2); | |
369 | + | |
370 | + return Sub32 (a1, a2, carry_ptr, overflow_ptr, 0x8000); | |
371 | +} | |
372 | + | |
373 | +static ARMword | |
374 | +SubS8 (ARMword a1, ARMword a2, int * carry_ptr, int * overflow_ptr) | |
375 | +{ | |
376 | + a1 = EXTEND8 (a1); | |
377 | + a2 = EXTEND8 (a2); | |
378 | + | |
379 | + return Sub32 (a1, a2, carry_ptr, overflow_ptr, 0x80); | |
380 | +} | |
381 | + | |
382 | +static ARMword | |
383 | +SubU16 (ARMword a1, ARMword a2, int * carry_ptr, int * overflow_ptr) | |
384 | +{ | |
385 | + a1 &= 0xffff; | |
386 | + a2 &= 0xffff; | |
387 | + | |
388 | + return Sub32 (a1, a2, carry_ptr, overflow_ptr, 0x8000); | |
389 | +} | |
390 | + | |
391 | +static ARMword | |
392 | +SubU8 (ARMword a1, ARMword a2, int * carry_ptr, int * overflow_ptr) | |
393 | +{ | |
394 | + a1 &= 0xff; | |
395 | + a2 &= 0xff; | |
396 | + | |
397 | + return Sub32 (a1, a2, carry_ptr, overflow_ptr, 0x80); | |
398 | +} | |
399 | + | |
400 | +static ARMdword | |
401 | +SubU32 (ARMdword a1, ARMdword a2, int * borrow_ptr, int * overflow_ptr) | |
402 | +{ | |
403 | + ARMdword result; | |
404 | + unsigned int ua1; | |
405 | + unsigned int ua2; | |
406 | + | |
407 | + a1 &= 0xffffffff; | |
408 | + a2 &= 0xffffffff; | |
409 | + | |
410 | + result = a1 - a2; | |
411 | + ua1 = (unsigned int) a1; | |
412 | + ua2 = (unsigned int) a2; | |
413 | + | |
414 | + * borrow_ptr = ! (ua2 > ua1); | |
415 | + | |
416 | + * overflow_ptr = ( (! (a1 & 0x80000000ULL) && (a2 & 0x80000000ULL) && (result & 0x80000000ULL)) | |
417 | + || ((a1 & 0x80000000ULL) && ! (a2 & 0x80000000ULL) && ! (result & 0x80000000ULL))); | |
418 | + | |
419 | + return result; | |
420 | +} | |
421 | + | |
422 | +/* For the saturation. */ | |
423 | + | |
424 | +static unsigned char | |
425 | +IwmmxtSaturateU8 (signed short val, int * sat) | |
426 | +{ | |
427 | + unsigned char rv; | |
428 | + | |
429 | + if (val < 0) | |
430 | + { | |
431 | + rv = 0; | |
432 | + *sat = 1; | |
433 | + } | |
434 | + else if (val > 0xff) | |
435 | + { | |
436 | + rv = 0xff; | |
437 | + *sat = 1; | |
438 | + } | |
439 | + else | |
440 | + { | |
441 | + rv = val & 0xff; | |
442 | + *sat = 0; | |
443 | + } | |
444 | + return rv; | |
445 | +} | |
446 | + | |
447 | +static signed char | |
448 | +IwmmxtSaturateS8 (signed short val, int * sat) | |
449 | +{ | |
450 | + signed char rv; | |
451 | + | |
452 | + if (val < -0x80) | |
453 | + { | |
454 | + rv = -0x80; | |
455 | + *sat = 1; | |
456 | + } | |
457 | + else if (val > 0x7f) | |
458 | + { | |
459 | + rv = 0x7f; | |
460 | + *sat = 1; | |
461 | + } | |
462 | + else | |
463 | + { | |
464 | + rv = val & 0xff; | |
465 | + *sat = 0; | |
466 | + } | |
467 | + return rv; | |
468 | +} | |
469 | + | |
470 | +static unsigned short | |
471 | +IwmmxtSaturateU16 (signed int val, int * sat) | |
472 | +{ | |
473 | + unsigned short rv; | |
474 | + | |
475 | + if (val < 0) | |
476 | + { | |
477 | + rv = 0; | |
478 | + *sat = 1; | |
479 | + } | |
480 | + else if (val > 0xffff) | |
481 | + { | |
482 | + rv = 0xffff; | |
483 | + *sat = 1; | |
484 | + } | |
485 | + else | |
486 | + { | |
487 | + rv = val & 0xffff; | |
488 | + *sat = 0; | |
489 | + } | |
490 | + return rv; | |
491 | +} | |
492 | + | |
493 | +static signed short | |
494 | +IwmmxtSaturateS16 (signed int val, int * sat) | |
495 | +{ | |
496 | + signed short rv; | |
497 | + | |
498 | + if (val < -0x8000) | |
499 | + { | |
500 | + rv = - 0x8000; | |
501 | + *sat = 1; | |
502 | + } | |
503 | + else if (val > 0x7fff) | |
504 | + { | |
505 | + rv = 0x7fff; | |
506 | + *sat = 1; | |
507 | + } | |
508 | + else | |
509 | + { | |
510 | + rv = val & 0xffff; | |
511 | + *sat = 0; | |
512 | + } | |
513 | + return rv; | |
514 | +} | |
515 | + | |
516 | +static unsigned long | |
517 | +IwmmxtSaturateU32 (signed long long val, int * sat) | |
518 | +{ | |
519 | + unsigned long rv; | |
520 | + | |
521 | + if (val < 0) | |
522 | + { | |
523 | + rv = 0; | |
524 | + *sat = 1; | |
525 | + } | |
526 | + else if (val > 0xffffffff) | |
527 | + { | |
528 | + rv = 0xffffffff; | |
529 | + *sat = 1; | |
530 | + } | |
531 | + else | |
532 | + { | |
533 | + rv = val & 0xffffffff; | |
534 | + *sat = 0; | |
535 | + } | |
536 | + return rv; | |
537 | +} | |
538 | + | |
539 | +static signed long | |
540 | +IwmmxtSaturateS32 (signed long long val, int * sat) | |
541 | +{ | |
542 | + signed long rv; | |
543 | + | |
544 | + if (val < -0x80000000LL) | |
545 | + { | |
546 | + rv = -0x80000000; | |
547 | + *sat = 1; | |
548 | + } | |
549 | + else if (val > 0x7fffffff) | |
550 | + { | |
551 | + rv = 0x7fffffff; | |
552 | + *sat = 1; | |
553 | + } | |
554 | + else | |
555 | + { | |
556 | + rv = val & 0xffffffff; | |
557 | + *sat = 0; | |
558 | + } | |
559 | + return rv; | |
560 | +} | |
561 | + | |
562 | +/* Intel(r) Wireless MMX(tm) technology Acessor functions. */ | |
563 | + | |
564 | +unsigned | |
565 | +IwmmxtLDC (ARMul_State * state ATTRIBUTE_UNUSED, | |
566 | + unsigned type ATTRIBUTE_UNUSED, | |
567 | + ARMword instr, | |
568 | + ARMword data) | |
569 | +{ | |
570 | + return ARMul_CANT; | |
571 | +} | |
572 | + | |
573 | +unsigned | |
574 | +IwmmxtSTC (ARMul_State * state ATTRIBUTE_UNUSED, | |
575 | + unsigned type ATTRIBUTE_UNUSED, | |
576 | + ARMword instr, | |
577 | + ARMword * data) | |
578 | +{ | |
579 | + return ARMul_CANT; | |
580 | +} | |
581 | + | |
582 | +unsigned | |
583 | +IwmmxtMRC (ARMul_State * state ATTRIBUTE_UNUSED, | |
584 | + unsigned type ATTRIBUTE_UNUSED, | |
585 | + ARMword instr, | |
586 | + ARMword * value) | |
587 | +{ | |
588 | + return ARMul_CANT; | |
589 | +} | |
590 | + | |
591 | +unsigned | |
592 | +IwmmxtMCR (ARMul_State * state ATTRIBUTE_UNUSED, | |
593 | + unsigned type ATTRIBUTE_UNUSED, | |
594 | + ARMword instr, | |
595 | + ARMword value) | |
596 | +{ | |
597 | + return ARMul_CANT; | |
598 | +} | |
599 | + | |
600 | +unsigned | |
601 | +IwmmxtCDP (ARMul_State * state, unsigned type, ARMword instr) | |
602 | +{ | |
603 | + return ARMul_CANT; | |
604 | +} | |
605 | + | |
606 | +/* Intel(r) Wireless MMX(tm) technology instruction implementations. */ | |
607 | + | |
608 | +static int | |
609 | +TANDC (ARMul_State * state, ARMword instr) | |
610 | +{ | |
611 | + ARMword cpsr; | |
612 | + | |
613 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
614 | + return ARMul_CANT; | |
615 | + | |
616 | +#ifdef DEBUG | |
617 | + fprintf (stderr, "tandc\n"); | |
618 | +#endif | |
619 | + | |
620 | + /* The Rd field must be r15. */ | |
621 | + if (BITS (12, 15) != 15) | |
622 | + return ARMul_CANT; | |
623 | + | |
624 | + /* The CRn field must be r3. */ | |
625 | + if (BITS (16, 19) != 3) | |
626 | + return ARMul_CANT; | |
627 | + | |
628 | + /* The CRm field must be r0. */ | |
629 | + if (BITS (0, 3) != 0) | |
630 | + return ARMul_CANT; | |
631 | + | |
632 | + cpsr = ARMul_GetCPSR (state) & 0x0fffffff; | |
633 | + | |
634 | + switch (BITS (22, 23)) | |
635 | + { | |
636 | + case Bqual: | |
637 | + cpsr |= ( (wCBITS (wCASF, 28, 31) & wCBITS (wCASF, 24, 27) | |
638 | + & wCBITS (wCASF, 20, 23) & wCBITS (wCASF, 16, 19) | |
639 | + & wCBITS (wCASF, 12, 15) & wCBITS (wCASF, 8, 11) | |
640 | + & wCBITS (wCASF, 4, 7) & wCBITS (wCASF, 0, 3)) << 28); | |
641 | + break; | |
642 | + | |
643 | + case Hqual: | |
644 | + cpsr |= ( (wCBITS (wCASF, 28, 31) & wCBITS (wCASF, 20, 23) | |
645 | + & wCBITS (wCASF, 12, 15) & wCBITS (wCASF, 4, 7)) << 28); | |
646 | + break; | |
647 | + | |
648 | + case Wqual: | |
649 | + cpsr |= ((wCBITS (wCASF, 28, 31) & wCBITS (wCASF, 12, 15)) << 28); | |
650 | + break; | |
651 | + | |
652 | + default: | |
653 | + ARMul_UndefInstr (state, instr); | |
654 | + return ARMul_DONE; | |
655 | + } | |
656 | + | |
657 | + ARMul_SetCPSR (state, cpsr); | |
658 | + | |
659 | + return ARMul_DONE; | |
660 | +} | |
661 | + | |
662 | +static int | |
663 | +TBCST (ARMul_State * state, ARMword instr) | |
664 | +{ | |
665 | + ARMdword Rn; | |
666 | + int wRd; | |
667 | + | |
668 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
669 | + return ARMul_CANT; | |
670 | + | |
671 | +#ifdef DEBUG | |
672 | + fprintf (stderr, "tbcst\n"); | |
673 | +#endif | |
674 | + | |
675 | + Rn = state->Reg [BITS (12, 15)]; | |
676 | + if (BITS (12, 15) == 15) | |
677 | + Rn &= 0xfffffffc; | |
678 | + | |
679 | + wRd = BITS (16, 19); | |
680 | + | |
681 | + switch (BITS (6, 7)) | |
682 | + { | |
683 | + case Bqual: | |
684 | + Rn &= 0xff; | |
685 | + wR [wRd] = (Rn << 56) | (Rn << 48) | (Rn << 40) | (Rn << 32) | |
686 | + | (Rn << 24) | (Rn << 16) | (Rn << 8) | Rn; | |
687 | + break; | |
688 | + | |
689 | + case Hqual: | |
690 | + Rn &= 0xffff; | |
691 | + wR [wRd] = (Rn << 48) | (Rn << 32) | (Rn << 16) | Rn; | |
692 | + break; | |
693 | + | |
694 | + case Wqual: | |
695 | + Rn &= 0xffffffff; | |
696 | + wR [wRd] = (Rn << 32) | Rn; | |
697 | + break; | |
698 | + | |
699 | + default: | |
700 | + ARMul_UndefInstr (state, instr); | |
701 | + break; | |
702 | + } | |
703 | + | |
704 | + wC [wCon] |= WCON_MUP; | |
705 | + return ARMul_DONE; | |
706 | +} | |
707 | + | |
708 | +static int | |
709 | +TEXTRC (ARMul_State * state, ARMword instr) | |
710 | +{ | |
711 | + ARMword cpsr; | |
712 | + ARMword selector; | |
713 | + | |
714 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
715 | + return ARMul_CANT; | |
716 | + | |
717 | +#ifdef DEBUG | |
718 | + fprintf (stderr, "textrc\n"); | |
719 | +#endif | |
720 | + | |
721 | + /* The Rd field must be r15. */ | |
722 | + if (BITS (12, 15) != 15) | |
723 | + return ARMul_CANT; | |
724 | + | |
725 | + /* The CRn field must be r3. */ | |
726 | + if (BITS (16, 19) != 3) | |
727 | + return ARMul_CANT; | |
728 | + | |
729 | + /* The CRm field must be 0xxx. */ | |
730 | + if (BIT (3) != 0) | |
731 | + return ARMul_CANT; | |
732 | + | |
733 | + selector = BITS (0, 2); | |
734 | + cpsr = ARMul_GetCPSR (state) & 0x0fffffff; | |
735 | + | |
736 | + switch (BITS (22, 23)) | |
737 | + { | |
738 | + case Bqual: selector *= 4; break; | |
739 | + case Hqual: selector = ((selector & 3) * 8) + 4; break; | |
740 | + case Wqual: selector = ((selector & 1) * 16) + 12; break; | |
741 | + | |
742 | + default: | |
743 | + ARMul_UndefInstr (state, instr); | |
744 | + return ARMul_DONE; | |
745 | + } | |
746 | + | |
747 | + cpsr |= wCBITS (wCASF, selector, selector + 3) << 28; | |
748 | + ARMul_SetCPSR (state, cpsr); | |
749 | + | |
750 | + return ARMul_DONE; | |
751 | +} | |
752 | + | |
753 | +static int | |
754 | +TEXTRM (ARMul_State * state, ARMword instr) | |
755 | +{ | |
756 | + ARMword Rd; | |
757 | + int offset; | |
758 | + int wRn; | |
759 | + int sign; | |
760 | + | |
761 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
762 | + return ARMul_CANT; | |
763 | + | |
764 | +#ifdef DEBUG | |
765 | + fprintf (stderr, "textrm\n"); | |
766 | +#endif | |
767 | + | |
768 | + wRn = BITS (16, 19); | |
769 | + sign = BIT (3); | |
770 | + offset = BITS (0, 2); | |
771 | + | |
772 | + switch (BITS (22, 23)) | |
773 | + { | |
774 | + case Bqual: | |
775 | + offset *= 8; | |
776 | + Rd = wRBITS (wRn, offset, offset + 7); | |
777 | + if (sign) | |
778 | + Rd = EXTEND8 (Rd); | |
779 | + break; | |
780 | + | |
781 | + case Hqual: | |
782 | + offset = (offset & 3) * 16; | |
783 | + Rd = wRBITS (wRn, offset, offset + 15); | |
784 | + if (sign) | |
785 | + Rd = EXTEND16 (Rd); | |
786 | + break; | |
787 | + | |
788 | + case Wqual: | |
789 | + offset = (offset & 1) * 32; | |
790 | + Rd = wRBITS (wRn, offset, offset + 31); | |
791 | + break; | |
792 | + | |
793 | + default: | |
794 | + ARMul_UndefInstr (state, instr); | |
795 | + return ARMul_DONE; | |
796 | + } | |
797 | + | |
798 | + if (BITS (12, 15) == 15) | |
799 | + ARMul_UndefInstr (state, instr); | |
800 | + else | |
801 | + state->Reg [BITS (12, 15)] = Rd; | |
802 | + | |
803 | + return ARMul_DONE; | |
804 | +} | |
805 | + | |
806 | +static int | |
807 | +TINSR (ARMul_State * state, ARMword instr) | |
808 | +{ | |
809 | + ARMdword data; | |
810 | + ARMword offset; | |
811 | + int wRd; | |
812 | + | |
813 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
814 | + return ARMul_CANT; | |
815 | + | |
816 | +#ifdef DEBUG | |
817 | + fprintf (stderr, "tinsr\n"); | |
818 | +#endif | |
819 | + | |
820 | + wRd = BITS (16, 19); | |
821 | + data = state->Reg [BITS (12, 15)]; | |
822 | + offset = BITS (0, 2); | |
823 | + | |
824 | + switch (BITS (6, 7)) | |
825 | + { | |
826 | + case Bqual: | |
827 | + data &= 0xff; | |
828 | + switch (offset) | |
829 | + { | |
830 | + case 0: wR [wRd] = data | (wRBITS (wRd, 8, 63) << 8); break; | |
831 | + case 1: wR [wRd] = wRBITS (wRd, 0, 7) | (data << 8) | (wRBITS (wRd, 16, 63) << 16); break; | |
832 | + case 2: wR [wRd] = wRBITS (wRd, 0, 15) | (data << 16) | (wRBITS (wRd, 24, 63) << 24); break; | |
833 | + case 3: wR [wRd] = wRBITS (wRd, 0, 23) | (data << 24) | (wRBITS (wRd, 32, 63) << 32); break; | |
834 | + case 4: wR [wRd] = wRBITS (wRd, 0, 31) | (data << 32) | (wRBITS (wRd, 40, 63) << 40); break; | |
835 | + case 5: wR [wRd] = wRBITS (wRd, 0, 39) | (data << 40) | (wRBITS (wRd, 48, 63) << 48); break; | |
836 | + case 6: wR [wRd] = wRBITS (wRd, 0, 47) | (data << 48) | (wRBITS (wRd, 56, 63) << 56); break; | |
837 | + case 7: wR [wRd] = wRBITS (wRd, 0, 55) | (data << 56); break; | |
838 | + } | |
839 | + break; | |
840 | + | |
841 | + case Hqual: | |
842 | + data &= 0xffff; | |
843 | + | |
844 | + switch (offset & 3) | |
845 | + { | |
846 | + case 0: wR [wRd] = data | (wRBITS (wRd, 16, 63) << 16); break; | |
847 | + case 1: wR [wRd] = wRBITS (wRd, 0, 15) | (data << 16) | (wRBITS (wRd, 32, 63) << 32); break; | |
848 | + case 2: wR [wRd] = wRBITS (wRd, 0, 31) | (data << 32) | (wRBITS (wRd, 48, 63) << 48); break; | |
849 | + case 3: wR [wRd] = wRBITS (wRd, 0, 47) | (data << 48); break; | |
850 | + } | |
851 | + break; | |
852 | + | |
853 | + case Wqual: | |
854 | + if (offset & 1) | |
855 | + wR [wRd] = wRBITS (wRd, 0, 31) | (data << 32); | |
856 | + else | |
857 | + wR [wRd] = (wRBITS (wRd, 32, 63) << 32) | data; | |
858 | + break; | |
859 | + | |
860 | + default: | |
861 | + ARMul_UndefInstr (state, instr); | |
862 | + break; | |
863 | + } | |
864 | + | |
865 | + wC [wCon] |= WCON_MUP; | |
866 | + return ARMul_DONE; | |
867 | +} | |
868 | + | |
869 | +static int | |
870 | +TMCR (ARMul_State * state, ARMword instr) | |
871 | +{ | |
872 | + ARMword val; | |
873 | + int wCreg; | |
874 | + | |
875 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
876 | + return ARMul_CANT; | |
877 | + | |
878 | +#ifdef DEBUG | |
879 | + fprintf (stderr, "tmcr\n"); | |
880 | +#endif | |
881 | + | |
882 | + if (BITS (0, 3) != 0) | |
883 | + return ARMul_CANT; | |
884 | + | |
885 | + val = state->Reg [BITS (12, 15)]; | |
886 | + if (BITS (12, 15) == 15) | |
887 | + val &= 0xfffffffc; | |
888 | + | |
889 | + wCreg = BITS (16, 19); | |
890 | + | |
891 | + switch (wCreg) | |
892 | + { | |
893 | + case wCID: | |
894 | + /* The wCID register is read only. */ | |
895 | + break; | |
896 | + | |
897 | + case wCon: | |
898 | + /* Writing to the MUP or CUP bits clears them. */ | |
899 | + wC [wCon] &= ~ (val & 0x3); | |
900 | + break; | |
901 | + | |
902 | + case wCSSF: | |
903 | + /* Only the bottom 8 bits can be written to. | |
904 | + The higher bits write as zero. */ | |
905 | + wC [wCSSF] = (val & 0xff); | |
906 | + wC [wCon] |= WCON_CUP; | |
907 | + break; | |
908 | + | |
909 | + default: | |
910 | + wC [wCreg] = val; | |
911 | + wC [wCon] |= WCON_CUP; | |
912 | + break; | |
913 | + } | |
914 | + | |
915 | + return ARMul_DONE; | |
916 | +} | |
917 | + | |
918 | +static int | |
919 | +TMCRR (ARMul_State * state, ARMword instr) | |
920 | +{ | |
921 | + ARMdword RdHi = state->Reg [BITS (16, 19)]; | |
922 | + ARMword RdLo = state->Reg [BITS (12, 15)]; | |
923 | + | |
924 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
925 | + return ARMul_CANT; | |
926 | + | |
927 | +#ifdef DEBUG | |
928 | + fprintf (stderr, "tmcrr\n"); | |
929 | +#endif | |
930 | + | |
931 | + if ((BITS (16, 19) == 15) || (BITS (12, 15) == 15)) | |
932 | + return ARMul_CANT; | |
933 | + | |
934 | + wR [BITS (0, 3)] = (RdHi << 32) | RdLo; | |
935 | + | |
936 | + wC [wCon] |= WCON_MUP; | |
937 | + | |
938 | + return ARMul_DONE; | |
939 | +} | |
940 | + | |
941 | +static int | |
942 | +TMIA (ARMul_State * state, ARMword instr) | |
943 | +{ | |
944 | + signed long long a, b; | |
945 | + | |
946 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
947 | + return ARMul_CANT; | |
948 | + | |
949 | +#ifdef DEBUG | |
950 | + fprintf (stderr, "tmia\n"); | |
951 | +#endif | |
952 | + | |
953 | + if ((BITS (0, 3) == 15) || (BITS (12, 15) == 15)) | |
954 | + { | |
955 | + ARMul_UndefInstr (state, instr); | |
956 | + return ARMul_DONE; | |
957 | + } | |
958 | + | |
959 | + a = state->Reg [BITS (0, 3)]; | |
960 | + b = state->Reg [BITS (12, 15)]; | |
961 | + | |
962 | + a = EXTEND32 (a); | |
963 | + b = EXTEND32 (b); | |
964 | + | |
965 | + wR [BITS (5, 8)] += a * b; | |
966 | + wC [wCon] |= WCON_MUP; | |
967 | + | |
968 | + return ARMul_DONE; | |
969 | +} | |
970 | + | |
971 | +static int | |
972 | +TMIAPH (ARMul_State * state, ARMword instr) | |
973 | +{ | |
974 | + signed long a, b, result; | |
975 | + signed long long r; | |
976 | + ARMword Rm = state->Reg [BITS (0, 3)]; | |
977 | + ARMword Rs = state->Reg [BITS (12, 15)]; | |
978 | + | |
979 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
980 | + return ARMul_CANT; | |
981 | + | |
982 | +#ifdef DEBUG | |
983 | + fprintf (stderr, "tmiaph\n"); | |
984 | +#endif | |
985 | + | |
986 | + if (BITS (0, 3) == 15 || BITS (12, 15) == 15) | |
987 | + { | |
988 | + ARMul_UndefInstr (state, instr); | |
989 | + return ARMul_DONE; | |
990 | + } | |
991 | + | |
992 | + a = SUBSTR (Rs, ARMword, 16, 31); | |
993 | + b = SUBSTR (Rm, ARMword, 16, 31); | |
994 | + | |
995 | + a = EXTEND16 (a); | |
996 | + b = EXTEND16 (b); | |
997 | + | |
998 | + result = a * b; | |
999 | + | |
1000 | + r = result; | |
1001 | + r = EXTEND32 (r); | |
1002 | + | |
1003 | + wR [BITS (5, 8)] += r; | |
1004 | + | |
1005 | + a = SUBSTR (Rs, ARMword, 0, 15); | |
1006 | + b = SUBSTR (Rm, ARMword, 0, 15); | |
1007 | + | |
1008 | + a = EXTEND16 (a); | |
1009 | + b = EXTEND16 (b); | |
1010 | + | |
1011 | + result = a * b; | |
1012 | + | |
1013 | + r = result; | |
1014 | + r = EXTEND32 (r); | |
1015 | + | |
1016 | + wR [BITS (5, 8)] += r; | |
1017 | + wC [wCon] |= WCON_MUP; | |
1018 | + | |
1019 | + return ARMul_DONE; | |
1020 | +} | |
1021 | + | |
1022 | +static int | |
1023 | +TMIAxy (ARMul_State * state, ARMword instr) | |
1024 | +{ | |
1025 | + ARMword Rm; | |
1026 | + ARMword Rs; | |
1027 | + long long temp; | |
1028 | + | |
1029 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
1030 | + return ARMul_CANT; | |
1031 | + | |
1032 | +#ifdef DEBUG | |
1033 | + fprintf (stderr, "tmiaxy\n"); | |
1034 | +#endif | |
1035 | + | |
1036 | + if (BITS (0, 3) == 15 || BITS (12, 15) == 15) | |
1037 | + { | |
1038 | + ARMul_UndefInstr (state, instr); | |
1039 | + return ARMul_DONE; | |
1040 | + } | |
1041 | + | |
1042 | + Rm = state->Reg [BITS (0, 3)]; | |
1043 | + if (BIT (17)) | |
1044 | + Rm >>= 16; | |
1045 | + else | |
1046 | + Rm &= 0xffff; | |
1047 | + | |
1048 | + Rs = state->Reg [BITS (12, 15)]; | |
1049 | + if (BIT (16)) | |
1050 | + Rs >>= 16; | |
1051 | + else | |
1052 | + Rs &= 0xffff; | |
1053 | + | |
1054 | + if (Rm & (1 << 15)) | |
1055 | + Rm -= 1 << 16; | |
1056 | + | |
1057 | + if (Rs & (1 << 15)) | |
1058 | + Rs -= 1 << 16; | |
1059 | + | |
1060 | + Rm *= Rs; | |
1061 | + temp = Rm; | |
1062 | + | |
1063 | + if (temp & (1 << 31)) | |
1064 | + temp -= 1ULL << 32; | |
1065 | + | |
1066 | + wR [BITS (5, 8)] += temp; | |
1067 | + wC [wCon] |= WCON_MUP; | |
1068 | + | |
1069 | + return ARMul_DONE; | |
1070 | +} | |
1071 | + | |
1072 | +static int | |
1073 | +TMOVMSK (ARMul_State * state, ARMword instr) | |
1074 | +{ | |
1075 | + ARMdword result; | |
1076 | + int wRn; | |
1077 | + | |
1078 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
1079 | + return ARMul_CANT; | |
1080 | + | |
1081 | +#ifdef DEBUG | |
1082 | + fprintf (stderr, "tmovmsk\n"); | |
1083 | +#endif | |
1084 | + | |
1085 | + /* The CRm field must be r0. */ | |
1086 | + if (BITS (0, 3) != 0) | |
1087 | + return ARMul_CANT; | |
1088 | + | |
1089 | + wRn = BITS (16, 19); | |
1090 | + | |
1091 | + switch (BITS (22, 23)) | |
1092 | + { | |
1093 | + case Bqual: | |
1094 | + result = ( (wRBITS (wRn, 63, 63) << 7) | |
1095 | + | (wRBITS (wRn, 55, 55) << 6) | |
1096 | + | (wRBITS (wRn, 47, 47) << 5) | |
1097 | + | (wRBITS (wRn, 39, 39) << 4) | |
1098 | + | (wRBITS (wRn, 31, 31) << 3) | |
1099 | + | (wRBITS (wRn, 23, 23) << 2) | |
1100 | + | (wRBITS (wRn, 15, 15) << 1) | |
1101 | + | (wRBITS (wRn, 7, 7) << 0)); | |
1102 | + break; | |
1103 | + | |
1104 | + case Hqual: | |
1105 | + result = ( (wRBITS (wRn, 63, 63) << 3) | |
1106 | + | (wRBITS (wRn, 47, 47) << 2) | |
1107 | + | (wRBITS (wRn, 31, 31) << 1) | |
1108 | + | (wRBITS (wRn, 15, 15) << 0)); | |
1109 | + break; | |
1110 | + | |
1111 | + case Wqual: | |
1112 | + result = (wRBITS (wRn, 63, 63) << 1) | wRBITS (wRn, 31, 31); | |
1113 | + break; | |
1114 | + | |
1115 | + default: | |
1116 | + ARMul_UndefInstr (state, instr); | |
1117 | + return ARMul_DONE; | |
1118 | + } | |
1119 | + | |
1120 | + state->Reg [BITS (12, 15)] = result; | |
1121 | + | |
1122 | + return ARMul_DONE; | |
1123 | +} | |
1124 | + | |
1125 | +static int | |
1126 | +TMRC (ARMul_State * state, ARMword instr) | |
1127 | +{ | |
1128 | + int reg = BITS (12, 15); | |
1129 | + | |
1130 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
1131 | + return ARMul_CANT; | |
1132 | + | |
1133 | +#ifdef DEBUG | |
1134 | + fprintf (stderr, "tmrc\n"); | |
1135 | +#endif | |
1136 | + | |
1137 | + if (BITS (0, 3) != 0) | |
1138 | + return ARMul_CANT; | |
1139 | + | |
1140 | + if (reg == 15) | |
1141 | + ARMul_UndefInstr (state, instr); | |
1142 | + else | |
1143 | + state->Reg [reg] = wC [BITS (16, 19)]; | |
1144 | + | |
1145 | + return ARMul_DONE; | |
1146 | +} | |
1147 | + | |
1148 | +static int | |
1149 | +TMRRC (ARMul_State * state, ARMword instr) | |
1150 | +{ | |
1151 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
1152 | + return ARMul_CANT; | |
1153 | + | |
1154 | +#ifdef DEBUG | |
1155 | + fprintf (stderr, "tmrrc\n"); | |
1156 | +#endif | |
1157 | + | |
1158 | + if ((BITS (16, 19) == 15) || (BITS (12, 15) == 15) || (BITS (4, 11) != 0)) | |
1159 | + ARMul_UndefInstr (state, instr); | |
1160 | + else | |
1161 | + { | |
1162 | + state->Reg [BITS (16, 19)] = wRBITS (BITS (0, 3), 32, 63); | |
1163 | + state->Reg [BITS (12, 15)] = wRBITS (BITS (0, 3), 0, 31); | |
1164 | + } | |
1165 | + | |
1166 | + return ARMul_DONE; | |
1167 | +} | |
1168 | + | |
1169 | +static int | |
1170 | +TORC (ARMul_State * state, ARMword instr) | |
1171 | +{ | |
1172 | + ARMword cpsr = ARMul_GetCPSR (state); | |
1173 | + | |
1174 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
1175 | + return ARMul_CANT; | |
1176 | + | |
1177 | +#ifdef DEBUG | |
1178 | + fprintf (stderr, "torc\n"); | |
1179 | +#endif | |
1180 | + | |
1181 | + /* The Rd field must be r15. */ | |
1182 | + if (BITS (12, 15) != 15) | |
1183 | + return ARMul_CANT; | |
1184 | + | |
1185 | + /* The CRn field must be r3. */ | |
1186 | + if (BITS (16, 19) != 3) | |
1187 | + return ARMul_CANT; | |
1188 | + | |
1189 | + /* The CRm field must be r0. */ | |
1190 | + if (BITS (0, 3) != 0) | |
1191 | + return ARMul_CANT; | |
1192 | + | |
1193 | + cpsr &= 0x0fffffff; | |
1194 | + | |
1195 | + switch (BITS (22, 23)) | |
1196 | + { | |
1197 | + case Bqual: | |
1198 | + cpsr |= ( (wCBITS (wCASF, 28, 31) | wCBITS (wCASF, 24, 27) | |
1199 | + | wCBITS (wCASF, 20, 23) | wCBITS (wCASF, 16, 19) | |
1200 | + | wCBITS (wCASF, 12, 15) | wCBITS (wCASF, 8, 11) | |
1201 | + | wCBITS (wCASF, 4, 7) | wCBITS (wCASF, 0, 3)) << 28); | |
1202 | + break; | |
1203 | + | |
1204 | + case Hqual: | |
1205 | + cpsr |= ( (wCBITS (wCASF, 28, 31) | wCBITS (wCASF, 20, 23) | |
1206 | + | wCBITS (wCASF, 12, 15) | wCBITS (wCASF, 4, 7)) << 28); | |
1207 | + break; | |
1208 | + | |
1209 | + case Wqual: | |
1210 | + cpsr |= ((wCBITS (wCASF, 28, 31) | wCBITS (wCASF, 12, 15)) << 28); | |
1211 | + break; | |
1212 | + | |
1213 | + default: | |
1214 | + ARMul_UndefInstr (state, instr); | |
1215 | + return ARMul_DONE; | |
1216 | + } | |
1217 | + | |
1218 | + ARMul_SetCPSR (state, cpsr); | |
1219 | + | |
1220 | + return ARMul_DONE; | |
1221 | +} | |
1222 | + | |
1223 | +static int | |
1224 | +WACC (ARMul_State * state, ARMword instr) | |
1225 | +{ | |
1226 | + int wRn; | |
1227 | + | |
1228 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
1229 | + return ARMul_CANT; | |
1230 | + | |
1231 | +#ifdef DEBUG | |
1232 | + fprintf (stderr, "wacc\n"); | |
1233 | +#endif | |
1234 | + | |
1235 | + wRn = BITS (16, 19); | |
1236 | + | |
1237 | + switch (BITS (22, 23)) | |
1238 | + { | |
1239 | + case Bqual: | |
1240 | + wR [BITS (12, 15)] = | |
1241 | + wRBITS (wRn, 56, 63) + wRBITS (wRn, 48, 55) | |
1242 | + + wRBITS (wRn, 40, 47) + wRBITS (wRn, 32, 39) | |
1243 | + + wRBITS (wRn, 24, 31) + wRBITS (wRn, 16, 23) | |
1244 | + + wRBITS (wRn, 8, 15) + wRBITS (wRn, 0, 7); | |
1245 | + break; | |
1246 | + | |
1247 | + case Hqual: | |
1248 | + wR [BITS (12, 15)] = | |
1249 | + wRBITS (wRn, 48, 63) + wRBITS (wRn, 32, 47) | |
1250 | + + wRBITS (wRn, 16, 31) + wRBITS (wRn, 0, 15); | |
1251 | + break; | |
1252 | + | |
1253 | + case Wqual: | |
1254 | + wR [BITS (12, 15)] = wRBITS (wRn, 32, 63) + wRBITS (wRn, 0, 31); | |
1255 | + break; | |
1256 | + | |
1257 | + default: | |
1258 | + ARMul_UndefInstr (state, instr); | |
1259 | + break; | |
1260 | + } | |
1261 | + | |
1262 | + wC [wCon] |= WCON_MUP; | |
1263 | + return ARMul_DONE; | |
1264 | +} | |
1265 | + | |
1266 | +static int | |
1267 | +WADD (ARMul_State * state, ARMword instr) | |
1268 | +{ | |
1269 | + ARMdword r = 0; | |
1270 | + ARMdword x; | |
1271 | + ARMdword s; | |
1272 | + ARMword psr = 0; | |
1273 | + int i; | |
1274 | + int carry; | |
1275 | + int overflow; | |
1276 | + int satrv[8]; | |
1277 | + | |
1278 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
1279 | + return ARMul_CANT; | |
1280 | + | |
1281 | +#ifdef DEBUG | |
1282 | + fprintf (stderr, "wadd\n"); | |
1283 | +#endif | |
1284 | + | |
1285 | + /* Add two numbers using the specified function, | |
1286 | + leaving setting the carry bit as required. */ | |
1287 | +#define ADDx(x, y, m, f) \ | |
1288 | + (*f) (wRBITS (BITS (16, 19), (x), (y)) & (m), \ | |
1289 | + wRBITS (BITS ( 0, 3), (x), (y)) & (m), \ | |
1290 | + & carry, & overflow) | |
1291 | + | |
1292 | + switch (BITS (22, 23)) | |
1293 | + { | |
1294 | + case Bqual: | |
1295 | + for (i = 0; i < 8; i++) | |
1296 | + { | |
1297 | + switch (BITS (20, 21)) | |
1298 | + { | |
1299 | + case NoSaturation: | |
1300 | + s = ADDx ((i * 8), (i * 8) + 7, 0xff, AddS8); | |
1301 | + satrv [BITIDX8 (i)] = 0; | |
1302 | + r |= (s & 0xff) << (i * 8); | |
1303 | + SIMD8_SET (psr, NBIT8 (s), SIMD_NBIT, i); | |
1304 | + SIMD8_SET (psr, ZBIT8 (s), SIMD_ZBIT, i); | |
1305 | + SIMD8_SET (psr, carry, SIMD_CBIT, i); | |
1306 | + SIMD8_SET (psr, overflow, SIMD_VBIT, i); | |
1307 | + break; | |
1308 | + | |
1309 | + case UnsignedSaturation: | |
1310 | + s = ADDx ((i * 8), (i * 8) + 7, 0xff, AddU8); | |
1311 | + x = IwmmxtSaturateU8 (s, satrv + BITIDX8 (i)); | |
1312 | + r |= (x & 0xff) << (i * 8); | |
1313 | + SIMD8_SET (psr, NBIT8 (x), SIMD_NBIT, i); | |
1314 | + SIMD8_SET (psr, ZBIT8 (x), SIMD_ZBIT, i); | |
1315 | + if (! satrv [BITIDX8 (i)]) | |
1316 | + { | |
1317 | + SIMD8_SET (psr, carry, SIMD_CBIT, i); | |
1318 | + SIMD8_SET (psr, overflow, SIMD_VBIT, i); | |
1319 | + } | |
1320 | + break; | |
1321 | + | |
1322 | + case SignedSaturation: | |
1323 | + s = ADDx ((i * 8), (i * 8) + 7, 0xff, AddS8); | |
1324 | + x = IwmmxtSaturateS8 (s, satrv + BITIDX8 (i)); | |
1325 | + r |= (x & 0xff) << (i * 8); | |
1326 | + SIMD8_SET (psr, NBIT8 (x), SIMD_NBIT, i); | |
1327 | + SIMD8_SET (psr, ZBIT8 (x), SIMD_ZBIT, i); | |
1328 | + if (! satrv [BITIDX8 (i)]) | |
1329 | + { | |
1330 | + SIMD8_SET (psr, carry, SIMD_CBIT, i); | |
1331 | + SIMD8_SET (psr, overflow, SIMD_VBIT, i); | |
1332 | + } | |
1333 | + break; | |
1334 | + | |
1335 | + default: | |
1336 | + ARMul_UndefInstr (state, instr); | |
1337 | + return ARMul_DONE; | |
1338 | + } | |
1339 | + } | |
1340 | + break; | |
1341 | + | |
1342 | + case Hqual: | |
1343 | + satrv[0] = satrv[2] = satrv[4] = satrv[6] = 0; | |
1344 | + | |
1345 | + for (i = 0; i < 4; i++) | |
1346 | + { | |
1347 | + switch (BITS (20, 21)) | |
1348 | + { | |
1349 | + case NoSaturation: | |
1350 | + s = ADDx ((i * 16), (i * 16) + 15, 0xffff, AddS16); | |
1351 | + satrv [BITIDX16 (i)] = 0; | |
1352 | + r |= (s & 0xffff) << (i * 16); | |
1353 | + SIMD16_SET (psr, NBIT16 (s), SIMD_NBIT, i); | |
1354 | + SIMD16_SET (psr, ZBIT16 (s), SIMD_ZBIT, i); | |
1355 | + SIMD16_SET (psr, carry, SIMD_CBIT, i); | |
1356 | + SIMD16_SET (psr, overflow, SIMD_VBIT, i); | |
1357 | + break; | |
1358 | + | |
1359 | + case UnsignedSaturation: | |
1360 | + s = ADDx ((i * 16), (i * 16) + 15, 0xffff, AddU16); | |
1361 | + x = IwmmxtSaturateU16 (s, satrv + BITIDX16 (i)); | |
1362 | + r |= (x & 0xffff) << (i * 16); | |
1363 | + SIMD16_SET (psr, NBIT16 (x), SIMD_NBIT, i); | |
1364 | + SIMD16_SET (psr, ZBIT16 (x), SIMD_ZBIT, i); | |
1365 | + if (! satrv [BITIDX16 (i)]) | |
1366 | + { | |
1367 | + SIMD16_SET (psr, carry, SIMD_CBIT, i); | |
1368 | + SIMD16_SET (psr, overflow, SIMD_VBIT, i); | |
1369 | + } | |
1370 | + break; | |
1371 | + | |
1372 | + case SignedSaturation: | |
1373 | + s = ADDx ((i * 16), (i * 16) + 15, 0xffff, AddS16); | |
1374 | + x = IwmmxtSaturateS16 (s, satrv + BITIDX16 (i)); | |
1375 | + r |= (x & 0xffff) << (i * 16); | |
1376 | + SIMD16_SET (psr, NBIT16 (x), SIMD_NBIT, i); | |
1377 | + SIMD16_SET (psr, ZBIT16 (x), SIMD_ZBIT, i); | |
1378 | + if (! satrv [BITIDX16 (i)]) | |
1379 | + { | |
1380 | + SIMD16_SET (psr, carry, SIMD_CBIT, i); | |
1381 | + SIMD16_SET (psr, overflow, SIMD_VBIT, i); | |
1382 | + } | |
1383 | + break; | |
1384 | + | |
1385 | + default: | |
1386 | + ARMul_UndefInstr (state, instr); | |
1387 | + return ARMul_DONE; | |
1388 | + } | |
1389 | + } | |
1390 | + break; | |
1391 | + | |
1392 | + case Wqual: | |
1393 | + satrv[0] = satrv[1] = satrv[2] = satrv[4] = satrv[5] = satrv[6] = 0; | |
1394 | + | |
1395 | + for (i = 0; i < 2; i++) | |
1396 | + { | |
1397 | + switch (BITS (20, 21)) | |
1398 | + { | |
1399 | + case NoSaturation: | |
1400 | + s = ADDx ((i * 32), (i * 32) + 31, 0xffffffff, AddS32); | |
1401 | + satrv [BITIDX32 (i)] = 0; | |
1402 | + r |= (s & 0xffffffff) << (i * 32); | |
1403 | + SIMD32_SET (psr, NBIT32 (s), SIMD_NBIT, i); | |
1404 | + SIMD32_SET (psr, ZBIT32 (s), SIMD_ZBIT, i); | |
1405 | + SIMD32_SET (psr, carry, SIMD_CBIT, i); | |
1406 | + SIMD32_SET (psr, overflow, SIMD_VBIT, i); | |
1407 | + break; | |
1408 | + | |
1409 | + case UnsignedSaturation: | |
1410 | + s = ADDx ((i * 32), (i * 32) + 31, 0xffffffff, AddU32); | |
1411 | + x = IwmmxtSaturateU32 (s, satrv + BITIDX32 (i)); | |
1412 | + r |= (x & 0xffffffff) << (i * 32); | |
1413 | + SIMD32_SET (psr, NBIT32 (x), SIMD_NBIT, i); | |
1414 | + SIMD32_SET (psr, ZBIT32 (x), SIMD_ZBIT, i); | |
1415 | + if (! satrv [BITIDX32 (i)]) | |
1416 | + { | |
1417 | + SIMD32_SET (psr, carry, SIMD_CBIT, i); | |
1418 | + SIMD32_SET (psr, overflow, SIMD_VBIT, i); | |
1419 | + } | |
1420 | + break; | |
1421 | + | |
1422 | + case SignedSaturation: | |
1423 | + s = ADDx ((i * 32), (i * 32) + 31, 0xffffffff, AddS32); | |
1424 | + x = IwmmxtSaturateS32 (s, satrv + BITIDX32 (i)); | |
1425 | + r |= (x & 0xffffffff) << (i * 32); | |
1426 | + SIMD32_SET (psr, NBIT32 (x), SIMD_NBIT, i); | |
1427 | + SIMD32_SET (psr, ZBIT32 (x), SIMD_ZBIT, i); | |
1428 | + if (! satrv [BITIDX32 (i)]) | |
1429 | + { | |
1430 | + SIMD32_SET (psr, carry, SIMD_CBIT, i); | |
1431 | + SIMD32_SET (psr, overflow, SIMD_VBIT, i); | |
1432 | + } | |
1433 | + break; | |
1434 | + | |
1435 | + default: | |
1436 | + ARMul_UndefInstr (state, instr); | |
1437 | + return ARMul_DONE; | |
1438 | + } | |
1439 | + } | |
1440 | + break; | |
1441 | + | |
1442 | + default: | |
1443 | + ARMul_UndefInstr (state, instr); | |
1444 | + return ARMul_DONE; | |
1445 | + } | |
1446 | + | |
1447 | + wC [wCASF] = psr; | |
1448 | + wR [BITS (12, 15)] = r; | |
1449 | + wC [wCon] |= (WCON_MUP | WCON_CUP); | |
1450 | + | |
1451 | + SET_wCSSFvec (satrv); | |
1452 | + | |
1453 | +#undef ADDx | |
1454 | + | |
1455 | + return ARMul_DONE; | |
1456 | +} | |
1457 | + | |
1458 | +static int | |
1459 | +WALIGNI (ARMword instr) | |
1460 | +{ | |
1461 | + int shift = BITS (20, 22) * 8; | |
1462 | + | |
1463 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
1464 | + return ARMul_CANT; | |
1465 | + | |
1466 | +#ifdef DEBUG | |
1467 | + fprintf (stderr, "waligni\n"); | |
1468 | +#endif | |
1469 | + | |
1470 | + if (shift) | |
1471 | + wR [BITS (12, 15)] = | |
1472 | + wRBITS (BITS (16, 19), shift, 63) | |
1473 | + | (wRBITS (BITS (0, 3), 0, shift) << ((64 - shift))); | |
1474 | + else | |
1475 | + wR [BITS (12, 15)] = wR [BITS (16, 19)]; | |
1476 | + | |
1477 | + wC [wCon] |= WCON_MUP; | |
1478 | + return ARMul_DONE; | |
1479 | +} | |
1480 | + | |
1481 | +static int | |
1482 | +WALIGNR (ARMul_State * state, ARMword instr) | |
1483 | +{ | |
1484 | + int shift = (wC [BITS (20, 21) + 8] & 0x7) * 8; | |
1485 | + | |
1486 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
1487 | + return ARMul_CANT; | |
1488 | + | |
1489 | +#ifdef DEBUG | |
1490 | + fprintf (stderr, "walignr\n"); | |
1491 | +#endif | |
1492 | + | |
1493 | + if (shift) | |
1494 | + wR [BITS (12, 15)] = | |
1495 | + wRBITS (BITS (16, 19), shift, 63) | |
1496 | + | (wRBITS (BITS (0, 3), 0, shift) << ((64 - shift))); | |
1497 | + else | |
1498 | + wR [BITS (12, 15)] = wR [BITS (16, 19)]; | |
1499 | + | |
1500 | + wC [wCon] |= WCON_MUP; | |
1501 | + return ARMul_DONE; | |
1502 | +} | |
1503 | + | |
1504 | +static int | |
1505 | +WAND (ARMword instr) | |
1506 | +{ | |
1507 | + ARMdword result; | |
1508 | + ARMword psr = 0; | |
1509 | + | |
1510 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
1511 | + return ARMul_CANT; | |
1512 | + | |
1513 | +#ifdef DEBUG | |
1514 | + fprintf (stderr, "wand\n"); | |
1515 | +#endif | |
1516 | + | |
1517 | + result = wR [BITS (16, 19)] & wR [BITS (0, 3)]; | |
1518 | + wR [BITS (12, 15)] = result; | |
1519 | + | |
1520 | + SIMD64_SET (psr, (result == 0), SIMD_ZBIT); | |
1521 | + SIMD64_SET (psr, (result & (1ULL << 63)), SIMD_NBIT); | |
1522 | + | |
1523 | + wC [wCASF] = psr; | |
1524 | + wC [wCon] |= (WCON_CUP | WCON_MUP); | |
1525 | + | |
1526 | + return ARMul_DONE; | |
1527 | +} | |
1528 | + | |
1529 | +static int | |
1530 | +WANDN (ARMword instr) | |
1531 | +{ | |
1532 | + ARMdword result; | |
1533 | + ARMword psr = 0; | |
1534 | + | |
1535 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
1536 | + return ARMul_CANT; | |
1537 | + | |
1538 | +#ifdef DEBUG | |
1539 | + fprintf (stderr, "wandn\n"); | |
1540 | +#endif | |
1541 | + | |
1542 | + result = wR [BITS (16, 19)] & ~ wR [BITS (0, 3)]; | |
1543 | + wR [BITS (12, 15)] = result; | |
1544 | + | |
1545 | + SIMD64_SET (psr, (result == 0), SIMD_ZBIT); | |
1546 | + SIMD64_SET (psr, (result & (1ULL << 63)), SIMD_NBIT); | |
1547 | + | |
1548 | + wC [wCASF] = psr; | |
1549 | + wC [wCon] |= (WCON_CUP | WCON_MUP); | |
1550 | + | |
1551 | + return ARMul_DONE; | |
1552 | +} | |
1553 | + | |
1554 | +static int | |
1555 | +WAVG2 (ARMword instr) | |
1556 | +{ | |
1557 | + ARMdword r = 0; | |
1558 | + ARMword psr = 0; | |
1559 | + ARMdword s; | |
1560 | + int i; | |
1561 | + int round = BIT (20) ? 1 : 0; | |
1562 | + | |
1563 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
1564 | + return ARMul_CANT; | |
1565 | + | |
1566 | +#ifdef DEBUG | |
1567 | + fprintf (stderr, "wavg2\n"); | |
1568 | +#endif | |
1569 | + | |
1570 | +#define AVG2x(x, y, m) (((wRBITS (BITS (16, 19), (x), (y)) & (m)) \ | |
1571 | + + (wRBITS (BITS ( 0, 3), (x), (y)) & (m)) \ | |
1572 | + + round) / 2) | |
1573 | + | |
1574 | + if (BIT (22)) | |
1575 | + { | |
1576 | + for (i = 0; i < 4; i++) | |
1577 | + { | |
1578 | + s = AVG2x ((i * 16), (i * 16) + 15, 0xffff) & 0xffff; | |
1579 | + SIMD16_SET (psr, ZBIT16 (s), SIMD_ZBIT, i); | |
1580 | + r |= s << (i * 16); | |
1581 | + } | |
1582 | + } | |
1583 | + else | |
1584 | + { | |
1585 | + for (i = 0; i < 8; i++) | |
1586 | + { | |
1587 | + s = AVG2x ((i * 8), (i * 8) + 7, 0xff) & 0xff; | |
1588 | + SIMD8_SET (psr, ZBIT8 (s), SIMD_ZBIT, i); | |
1589 | + r |= s << (i * 8); | |
1590 | + } | |
1591 | + } | |
1592 | + | |
1593 | + wR [BITS (12, 15)] = r; | |
1594 | + wC [wCASF] = psr; | |
1595 | + wC [wCon] |= (WCON_CUP | WCON_MUP); | |
1596 | + | |
1597 | + return ARMul_DONE; | |
1598 | +} | |
1599 | + | |
1600 | +static int | |
1601 | +WCMPEQ (ARMul_State * state, ARMword instr) | |
1602 | +{ | |
1603 | + ARMdword r = 0; | |
1604 | + ARMword psr = 0; | |
1605 | + ARMdword s; | |
1606 | + int i; | |
1607 | + | |
1608 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
1609 | + return ARMul_CANT; | |
1610 | + | |
1611 | +#ifdef DEBUG | |
1612 | + fprintf (stderr, "wcmpeq\n"); | |
1613 | +#endif | |
1614 | + | |
1615 | + switch (BITS (22, 23)) | |
1616 | + { | |
1617 | + case Bqual: | |
1618 | + for (i = 0; i < 8; i++) | |
1619 | + { | |
1620 | + s = wRBYTE (BITS (16, 19), i) == wRBYTE (BITS (0, 3), i) ? 0xff : 0; | |
1621 | + r |= s << (i * 8); | |
1622 | + SIMD8_SET (psr, NBIT8 (s), SIMD_NBIT, i); | |
1623 | + SIMD8_SET (psr, ZBIT8 (s), SIMD_ZBIT, i); | |
1624 | + } | |
1625 | + break; | |
1626 | + | |
1627 | + case Hqual: | |
1628 | + for (i = 0; i < 4; i++) | |
1629 | + { | |
1630 | + s = wRHALF (BITS (16, 19), i) == wRHALF (BITS (0, 3), i) ? 0xffff : 0; | |
1631 | + r |= s << (i * 16); | |
1632 | + SIMD16_SET (psr, NBIT16 (s), SIMD_NBIT, i); | |
1633 | + SIMD16_SET (psr, ZBIT16 (s), SIMD_ZBIT, i); | |
1634 | + } | |
1635 | + break; | |
1636 | + | |
1637 | + case Wqual: | |
1638 | + for (i = 0; i < 2; i++) | |
1639 | + { | |
1640 | + s = wRWORD (BITS (16, 19), i) == wRWORD (BITS (0, 3), i) ? 0xffffffff : 0; | |
1641 | + r |= s << (i * 32); | |
1642 | + SIMD32_SET (psr, NBIT32 (s), SIMD_NBIT, i); | |
1643 | + SIMD32_SET (psr, ZBIT32 (s), SIMD_ZBIT, i); | |
1644 | + } | |
1645 | + break; | |
1646 | + | |
1647 | + default: | |
1648 | + ARMul_UndefInstr (state, instr); | |
1649 | + return ARMul_DONE; | |
1650 | + } | |
1651 | + | |
1652 | + wC [wCASF] = psr; | |
1653 | + wR [BITS (12, 15)] = r; | |
1654 | + wC [wCon] |= (WCON_CUP | WCON_MUP); | |
1655 | + | |
1656 | + return ARMul_DONE; | |
1657 | +} | |
1658 | + | |
1659 | +static int | |
1660 | +WCMPGT (ARMul_State * state, ARMword instr) | |
1661 | +{ | |
1662 | + ARMdword r = 0; | |
1663 | + ARMword psr = 0; | |
1664 | + ARMdword s; | |
1665 | + int i; | |
1666 | + | |
1667 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
1668 | + return ARMul_CANT; | |
1669 | + | |
1670 | +#ifdef DEBUG | |
1671 | + fprintf (stderr, "wcmpgt\n"); | |
1672 | +#endif | |
1673 | + | |
1674 | + switch (BITS (22, 23)) | |
1675 | + { | |
1676 | + case Bqual: | |
1677 | + if (BIT (21)) | |
1678 | + { | |
1679 | + /* Use a signed comparison. */ | |
1680 | + for (i = 0; i < 8; i++) | |
1681 | + { | |
1682 | + signed char a, b; | |
1683 | + | |
1684 | + a = wRBYTE (BITS (16, 19), i); | |
1685 | + b = wRBYTE (BITS (0, 3), i); | |
1686 | + | |
1687 | + s = (a > b) ? 0xff : 0; | |
1688 | + r |= s << (i * 8); | |
1689 | + SIMD8_SET (psr, NBIT8 (s), SIMD_NBIT, i); | |
1690 | + SIMD8_SET (psr, ZBIT8 (s), SIMD_ZBIT, i); | |
1691 | + } | |
1692 | + } | |
1693 | + else | |
1694 | + { | |
1695 | + for (i = 0; i < 8; i++) | |
1696 | + { | |
1697 | + s = (wRBYTE (BITS (16, 19), i) > wRBYTE (BITS (0, 3), i)) | |
1698 | + ? 0xff : 0; | |
1699 | + r |= s << (i * 8); | |
1700 | + SIMD8_SET (psr, NBIT8 (s), SIMD_NBIT, i); | |
1701 | + SIMD8_SET (psr, ZBIT8 (s), SIMD_ZBIT, i); | |
1702 | + } | |
1703 | + } | |
1704 | + break; | |
1705 | + | |
1706 | + case Hqual: | |
1707 | + if (BIT (21)) | |
1708 | + { | |
1709 | + for (i = 0; i < 4; i++) | |
1710 | + { | |
1711 | + signed int a, b; | |
1712 | + | |
1713 | + a = wRHALF (BITS (16, 19), i); | |
1714 | + a = EXTEND16 (a); | |
1715 | + | |
1716 | + b = wRHALF (BITS (0, 3), i); | |
1717 | + b = EXTEND16 (b); | |
1718 | + | |
1719 | + s = (a > b) ? 0xffff : 0; | |
1720 | + r |= s << (i * 16); | |
1721 | + SIMD16_SET (psr, NBIT16 (s), SIMD_NBIT, i); | |
1722 | + SIMD16_SET (psr, ZBIT16 (s), SIMD_ZBIT, i); | |
1723 | + } | |
1724 | + } | |
1725 | + else | |
1726 | + { | |
1727 | + for (i = 0; i < 4; i++) | |
1728 | + { | |
1729 | + s = (wRHALF (BITS (16, 19), i) > wRHALF (BITS (0, 3), i)) | |
1730 | + ? 0xffff : 0; | |
1731 | + r |= s << (i * 16); | |
1732 | + SIMD16_SET (psr, NBIT16 (s), SIMD_NBIT, i); | |
1733 | + SIMD16_SET (psr, ZBIT16 (s), SIMD_ZBIT, i); | |
1734 | + } | |
1735 | + } | |
1736 | + break; | |
1737 | + | |
1738 | + case Wqual: | |
1739 | + if (BIT (21)) | |
1740 | + { | |
1741 | + for (i = 0; i < 2; i++) | |
1742 | + { | |
1743 | + signed long a, b; | |
1744 | + | |
1745 | + a = wRWORD (BITS (16, 19), i); | |
1746 | + b = wRWORD (BITS (0, 3), i); | |
1747 | + | |
1748 | + s = (a > b) ? 0xffffffff : 0; | |
1749 | + r |= s << (i * 32); | |
1750 | + SIMD32_SET (psr, NBIT32 (s), SIMD_NBIT, i); | |
1751 | + SIMD32_SET (psr, ZBIT32 (s), SIMD_ZBIT, i); | |
1752 | + } | |
1753 | + } | |
1754 | + else | |
1755 | + { | |
1756 | + for (i = 0; i < 2; i++) | |
1757 | + { | |
1758 | + s = (wRWORD (BITS (16, 19), i) > wRWORD (BITS (0, 3), i)) | |
1759 | + ? 0xffffffff : 0; | |
1760 | + r |= s << (i * 32); | |
1761 | + SIMD32_SET (psr, NBIT32 (s), SIMD_NBIT, i); | |
1762 | + SIMD32_SET (psr, ZBIT32 (s), SIMD_ZBIT, i); | |
1763 | + } | |
1764 | + } | |
1765 | + break; | |
1766 | + | |
1767 | + default: | |
1768 | + ARMul_UndefInstr (state, instr); | |
1769 | + return ARMul_DONE; | |
1770 | + } | |
1771 | + | |
1772 | + wC [wCASF] = psr; | |
1773 | + wR [BITS (12, 15)] = r; | |
1774 | + wC [wCon] |= (WCON_CUP | WCON_MUP); | |
1775 | + | |
1776 | + return ARMul_DONE; | |
1777 | +} | |
1778 | + | |
1779 | +static ARMword | |
1780 | +Compute_Iwmmxt_Address (ARMul_State * state, ARMword instr, int * pFailed) | |
1781 | +{ | |
1782 | + ARMword Rn; | |
1783 | + ARMword addr; | |
1784 | + ARMword offset; | |
1785 | + ARMword multiplier; | |
1786 | + | |
1787 | + * pFailed = 0; | |
1788 | + Rn = BITS (16, 19); | |
1789 | + addr = state->Reg [Rn]; | |
1790 | + offset = BITS (0, 7); | |
1791 | + multiplier = BIT (8) ? 4 : 1; | |
1792 | + | |
1793 | + if (BIT (24)) /* P */ | |
1794 | + { | |
1795 | + /* Pre Indexed Addressing. */ | |
1796 | + if (BIT (23)) | |
1797 | + addr += offset * multiplier; | |
1798 | + else | |
1799 | + addr -= offset * multiplier; | |
1800 | + | |
1801 | + /* Immediate Pre-Indexed. */ | |
1802 | + if (BIT (21)) /* W */ | |
1803 | + { | |
1804 | + if (Rn == 15) | |
1805 | + { | |
1806 | + /* Writeback into R15 is UNPREDICTABLE. */ | |
1807 | +#ifdef DEBUG | |
1808 | + fprintf (stderr, "iWMMXt: writeback into r15\n"); | |
1809 | +#endif | |
1810 | + * pFailed = 1; | |
1811 | + } | |
1812 | + else | |
1813 | + state->Reg [Rn] = addr; | |
1814 | + } | |
1815 | + } | |
1816 | + else | |
1817 | + { | |
1818 | + /* Post Indexed Addressing. */ | |
1819 | + if (BIT (21)) /* W */ | |
1820 | + { | |
1821 | + /* Handle the write back of the final address. */ | |
1822 | + if (Rn == 15) | |
1823 | + { | |
1824 | + /* Writeback into R15 is UNPREDICTABLE. */ | |
1825 | +#ifdef DEBUG | |
1826 | + fprintf (stderr, "iWMMXt: writeback into r15\n"); | |
1827 | +#endif | |
1828 | + * pFailed = 1; | |
1829 | + } | |
1830 | + else | |
1831 | + { | |
1832 | + ARMword increment; | |
1833 | + | |
1834 | + if (BIT (23)) | |
1835 | + increment = offset * multiplier; | |
1836 | + else | |
1837 | + increment = - (offset * multiplier); | |
1838 | + | |
1839 | + state->Reg [Rn] = addr + increment; | |
1840 | + } | |
1841 | + } | |
1842 | + else | |
1843 | + { | |
1844 | + /* P == 0, W == 0, U == 0 is UNPREDICTABLE. */ | |
1845 | + if (BIT (23) == 0) | |
1846 | + { | |
1847 | +#ifdef DEBUG | |
1848 | + fprintf (stderr, "iWMMXt: undefined addressing mode\n"); | |
1849 | +#endif | |
1850 | + * pFailed = 1; | |
1851 | + } | |
1852 | + } | |
1853 | + } | |
1854 | + | |
1855 | + return addr; | |
1856 | +} | |
1857 | + | |
1858 | +static ARMdword | |
1859 | +Iwmmxt_Load_Double_Word (ARMul_State * state, ARMword address) | |
1860 | +{ | |
1861 | + ARMdword value; | |
1862 | + | |
1863 | + /* The address must be aligned on a 8 byte boundary. */ | |
1864 | + if (address & 0x7) | |
1865 | + { | |
1866 | + fprintf (stderr, "iWMMXt: At addr 0x%x: Unaligned double word load from 0x%x\n", | |
1867 | + (state->Reg[15] - 8) & ~0x3, address); | |
1868 | +#ifdef DEBUG | |
1869 | +#endif | |
1870 | + /* No need to check for alignment traps. An unaligned | |
1871 | + double word load with alignment trapping disabled is | |
1872 | + UNPREDICTABLE. */ | |
1873 | + ARMul_Abort (state, ARMul_DataAbortV); | |
1874 | + } | |
1875 | + | |
1876 | + /* Load the words. */ | |
1877 | + if (! state->bigendSig) | |
1878 | + { | |
1879 | + value = ARMul_LoadWordN (state, address + 4); | |
1880 | + value <<= 32; | |
1881 | + value |= ARMul_LoadWordN (state, address); | |
1882 | + } | |
1883 | + else | |
1884 | + { | |
1885 | + value = ARMul_LoadWordN (state, address); | |
1886 | + value <<= 32; | |
1887 | + value |= ARMul_LoadWordN (state, address + 4); | |
1888 | + } | |
1889 | + | |
1890 | + /* Check for data aborts. */ | |
1891 | + if (state->Aborted) | |
1892 | + ARMul_Abort (state, ARMul_DataAbortV); | |
1893 | + else | |
1894 | + ARMul_Icycles (state, 2, 0L); | |
1895 | + | |
1896 | + return value; | |
1897 | +} | |
1898 | + | |
1899 | +static ARMword | |
1900 | +Iwmmxt_Load_Word (ARMul_State * state, ARMword address) | |
1901 | +{ | |
1902 | + ARMword value; | |
1903 | + | |
1904 | + /* Check for a misaligned address. */ | |
1905 | + if (address & 3) | |
1906 | + { | |
1907 | + if ((read_cp15_reg (1, 0, 0) & ARMul_CP15_R1_ALIGN)) | |
1908 | + ARMul_Abort (state, ARMul_DataAbortV); | |
1909 | + else | |
1910 | + address &= ~ 3; | |
1911 | + } | |
1912 | + | |
1913 | + value = ARMul_LoadWordN (state, address); | |
1914 | + | |
1915 | + if (state->Aborted) | |
1916 | + ARMul_Abort (state, ARMul_DataAbortV); | |
1917 | + else | |
1918 | + ARMul_Icycles (state, 1, 0L); | |
1919 | + | |
1920 | + return value; | |
1921 | +} | |
1922 | + | |
1923 | +static ARMword | |
1924 | +Iwmmxt_Load_Half_Word (ARMul_State * state, ARMword address) | |
1925 | +{ | |
1926 | + ARMword value; | |
1927 | + | |
1928 | + /* Check for a misaligned address. */ | |
1929 | + if (address & 1) | |
1930 | + { | |
1931 | + if ((read_cp15_reg (1, 0, 0) & ARMul_CP15_R1_ALIGN)) | |
1932 | + ARMul_Abort (state, ARMul_DataAbortV); | |
1933 | + else | |
1934 | + address &= ~ 1; | |
1935 | + } | |
1936 | + | |
1937 | + value = ARMul_LoadHalfWord (state, address); | |
1938 | + | |
1939 | + if (state->Aborted) | |
1940 | + ARMul_Abort (state, ARMul_DataAbortV); | |
1941 | + else | |
1942 | + ARMul_Icycles (state, 1, 0L); | |
1943 | + | |
1944 | + return value; | |
1945 | +} | |
1946 | + | |
1947 | +static ARMword | |
1948 | +Iwmmxt_Load_Byte (ARMul_State * state, ARMword address) | |
1949 | +{ | |
1950 | + ARMword value; | |
1951 | + | |
1952 | + value = ARMul_LoadByte (state, address); | |
1953 | + | |
1954 | + if (state->Aborted) | |
1955 | + ARMul_Abort (state, ARMul_DataAbortV); | |
1956 | + else | |
1957 | + ARMul_Icycles (state, 1, 0L); | |
1958 | + | |
1959 | + return value; | |
1960 | +} | |
1961 | + | |
1962 | +static void | |
1963 | +Iwmmxt_Store_Double_Word (ARMul_State * state, ARMword address, ARMdword value) | |
1964 | +{ | |
1965 | + /* The address must be aligned on a 8 byte boundary. */ | |
1966 | + if (address & 0x7) | |
1967 | + { | |
1968 | + fprintf (stderr, "iWMMXt: At addr 0x%x: Unaligned double word store to 0x%x\n", | |
1969 | + (state->Reg[15] - 8) & ~0x3, address); | |
1970 | +#ifdef DEBUG | |
1971 | +#endif | |
1972 | + /* No need to check for alignment traps. An unaligned | |
1973 | + double word store with alignment trapping disabled is | |
1974 | + UNPREDICTABLE. */ | |
1975 | + ARMul_Abort (state, ARMul_DataAbortV); | |
1976 | + } | |
1977 | + | |
1978 | + /* Store the words. */ | |
1979 | + if (! state->bigendSig) | |
1980 | + { | |
1981 | + ARMul_StoreWordN (state, address, value); | |
1982 | + ARMul_StoreWordN (state, address + 4, value >> 32); | |
1983 | + } | |
1984 | + else | |
1985 | + { | |
1986 | + ARMul_StoreWordN (state, address + 4, value); | |
1987 | + ARMul_StoreWordN (state, address, value >> 32); | |
1988 | + } | |
1989 | + | |
1990 | + /* Check for data aborts. */ | |
1991 | + if (state->Aborted) | |
1992 | + ARMul_Abort (state, ARMul_DataAbortV); | |
1993 | + else | |
1994 | + ARMul_Icycles (state, 2, 0L); | |
1995 | +} | |
1996 | + | |
1997 | +static void | |
1998 | +Iwmmxt_Store_Word (ARMul_State * state, ARMword address, ARMword value) | |
1999 | +{ | |
2000 | + /* Check for a misaligned address. */ | |
2001 | + if (address & 3) | |
2002 | + { | |
2003 | + if ((read_cp15_reg (1, 0, 0) & ARMul_CP15_R1_ALIGN)) | |
2004 | + ARMul_Abort (state, ARMul_DataAbortV); | |
2005 | + else | |
2006 | + address &= ~ 3; | |
2007 | + } | |
2008 | + | |
2009 | + ARMul_StoreWordN (state, address, value); | |
2010 | + | |
2011 | + if (state->Aborted) | |
2012 | + ARMul_Abort (state, ARMul_DataAbortV); | |
2013 | +} | |
2014 | + | |
2015 | +static void | |
2016 | +Iwmmxt_Store_Half_Word (ARMul_State * state, ARMword address, ARMword value) | |
2017 | +{ | |
2018 | + /* Check for a misaligned address. */ | |
2019 | + if (address & 1) | |
2020 | + { | |
2021 | + if ((read_cp15_reg (1, 0, 0) & ARMul_CP15_R1_ALIGN)) | |
2022 | + ARMul_Abort (state, ARMul_DataAbortV); | |
2023 | + else | |
2024 | + address &= ~ 1; | |
2025 | + } | |
2026 | + | |
2027 | + ARMul_StoreHalfWord (state, address, value); | |
2028 | + | |
2029 | + if (state->Aborted) | |
2030 | + ARMul_Abort (state, ARMul_DataAbortV); | |
2031 | +} | |
2032 | + | |
2033 | +static void | |
2034 | +Iwmmxt_Store_Byte (ARMul_State * state, ARMword address, ARMword value) | |
2035 | +{ | |
2036 | + ARMul_StoreByte (state, address, value); | |
2037 | + | |
2038 | + if (state->Aborted) | |
2039 | + ARMul_Abort (state, ARMul_DataAbortV); | |
2040 | +} | |
2041 | + | |
2042 | +static int | |
2043 | +WLDR (ARMul_State * state, ARMword instr) | |
2044 | +{ | |
2045 | + ARMword address; | |
2046 | + int failed; | |
2047 | + | |
2048 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
2049 | + return ARMul_CANT; | |
2050 | + | |
2051 | +#ifdef DEBUG | |
2052 | + fprintf (stderr, "wldr\n"); | |
2053 | +#endif | |
2054 | + | |
2055 | + address = Compute_Iwmmxt_Address (state, instr, & failed); | |
2056 | + if (failed) | |
2057 | + return ARMul_CANT; | |
2058 | + | |
2059 | + if (BITS (28, 31) == 0xf) | |
2060 | + { | |
2061 | + /* WLDRW wCx */ | |
2062 | + wC [BITS (12, 15)] = Iwmmxt_Load_Word (state, address); | |
2063 | + } | |
2064 | + else if (BIT (8) == 0) | |
2065 | + { | |
2066 | + if (BIT (22) == 0) | |
2067 | + /* WLDRB */ | |
2068 | + wR [BITS (12, 15)] = Iwmmxt_Load_Byte (state, address); | |
2069 | + else | |
2070 | + /* WLDRH */ | |
2071 | + wR [BITS (12, 15)] = Iwmmxt_Load_Half_Word (state, address); | |
2072 | + } | |
2073 | + else | |
2074 | + { | |
2075 | + if (BIT (22) == 0) | |
2076 | + /* WLDRW wRd */ | |
2077 | + wR [BITS (12, 15)] = Iwmmxt_Load_Word (state, address); | |
2078 | + else | |
2079 | + /* WLDRD */ | |
2080 | + wR [BITS (12, 15)] = Iwmmxt_Load_Double_Word (state, address); | |
2081 | + } | |
2082 | + | |
2083 | + wC [wCon] |= WCON_MUP; | |
2084 | + | |
2085 | + return ARMul_DONE; | |
2086 | +} | |
2087 | + | |
2088 | +static int | |
2089 | +WMAC (ARMword instr) | |
2090 | +{ | |
2091 | + int i; | |
2092 | + ARMdword t = 0; | |
2093 | + ARMword a, b; | |
2094 | + | |
2095 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
2096 | + return ARMul_CANT; | |
2097 | + | |
2098 | +#ifdef DEBUG | |
2099 | + fprintf (stderr, "wmac\n"); | |
2100 | +#endif | |
2101 | + | |
2102 | + for (i = 0; i < 4; i++) | |
2103 | + { | |
2104 | + if (BIT (21)) | |
2105 | + { | |
2106 | + /* Signed. */ | |
2107 | + signed long s; | |
2108 | + | |
2109 | + a = wRHALF (BITS (16, 19), i); | |
2110 | + a = EXTEND16 (a); | |
2111 | + | |
2112 | + b = wRHALF (BITS (0, 3), i); | |
2113 | + b = EXTEND16 (b); | |
2114 | + | |
2115 | + s = (signed long) a * (signed long) b; | |
2116 | + | |
2117 | + (signed long long) t += s; | |
2118 | + } | |
2119 | + else | |
2120 | + { | |
2121 | + /* Unsigned. */ | |
2122 | + a = wRHALF (BITS (16, 19), i); | |
2123 | + b = wRHALF (BITS ( 0, 3), i); | |
2124 | + | |
2125 | + t += a * b; | |
2126 | + } | |
2127 | + } | |
2128 | + | |
2129 | + if (BIT (20)) | |
2130 | + wR [BITS (12, 15)] = 0; | |
2131 | + | |
2132 | + if (BIT (21)) /* Signed. */ | |
2133 | + (signed long long) wR[BITS (12, 15)] += (signed long long) t; | |
2134 | + else | |
2135 | + wR [BITS (12, 15)] += t; | |
2136 | + | |
2137 | + wC [wCon] |= WCON_MUP; | |
2138 | + | |
2139 | + return ARMul_DONE; | |
2140 | +} | |
2141 | + | |
2142 | +static int | |
2143 | +WMADD (ARMword instr) | |
2144 | +{ | |
2145 | + ARMdword r = 0; | |
2146 | + int i; | |
2147 | + | |
2148 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
2149 | + return ARMul_CANT; | |
2150 | + | |
2151 | +#ifdef DEBUG | |
2152 | + fprintf (stderr, "wmadd\n"); | |
2153 | +#endif | |
2154 | + | |
2155 | + for (i = 0; i < 2; i++) | |
2156 | + { | |
2157 | + ARMdword s1, s2; | |
2158 | + | |
2159 | + if (BIT (21)) /* Signed. */ | |
2160 | + { | |
2161 | + signed long a, b; | |
2162 | + | |
2163 | + a = wRHALF (BITS (16, 19), i * 2); | |
2164 | + a = EXTEND16 (a); | |
2165 | + | |
2166 | + b = wRHALF (BITS (0, 3), i * 2); | |
2167 | + b = EXTEND16 (b); | |
2168 | + | |
2169 | + (signed long) s1 = a * b; | |
2170 | + | |
2171 | + a = wRHALF (BITS (16, 19), i * 2 + 1); | |
2172 | + a = EXTEND16 (a); | |
2173 | + | |
2174 | + b = wRHALF (BITS (0, 3), i * 2 + 1); | |
2175 | + b = EXTEND16 (b); | |
2176 | + | |
2177 | + (signed long) s2 = a * b; | |
2178 | + } | |
2179 | + else /* Unsigned. */ | |
2180 | + { | |
2181 | + unsigned long a, b; | |
2182 | + | |
2183 | + a = wRHALF (BITS (16, 19), i * 2); | |
2184 | + b = wRHALF (BITS ( 0, 3), i * 2); | |
2185 | + | |
2186 | + (unsigned long) s1 = a * b; | |
2187 | + | |
2188 | + a = wRHALF (BITS (16, 19), i * 2 + 1); | |
2189 | + b = wRHALF (BITS ( 0, 3), i * 2 + 1); | |
2190 | + | |
2191 | + (signed long) s2 = a * b; | |
2192 | + } | |
2193 | + | |
2194 | + r |= (ARMdword) ((s1 + s2) & 0xffffffff) << (i ? 32 : 0); | |
2195 | + } | |
2196 | + | |
2197 | + wR [BITS (12, 15)] = r; | |
2198 | + wC [wCon] |= WCON_MUP; | |
2199 | + | |
2200 | + return ARMul_DONE; | |
2201 | +} | |
2202 | + | |
2203 | +static int | |
2204 | +WMAX (ARMul_State * state, ARMword instr) | |
2205 | +{ | |
2206 | + ARMdword r = 0; | |
2207 | + ARMdword s; | |
2208 | + int i; | |
2209 | + | |
2210 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
2211 | + return ARMul_CANT; | |
2212 | + | |
2213 | +#ifdef DEBUG | |
2214 | + fprintf (stderr, "wmax\n"); | |
2215 | +#endif | |
2216 | + | |
2217 | + switch (BITS (22, 23)) | |
2218 | + { | |
2219 | + case Bqual: | |
2220 | + for (i = 0; i < 8; i++) | |
2221 | + if (BIT (21)) /* Signed. */ | |
2222 | + { | |
2223 | + int a, b; | |
2224 | + | |
2225 | + a = wRBYTE (BITS (16, 19), i); | |
2226 | + a = EXTEND8 (a); | |
2227 | + | |
2228 | + b = wRBYTE (BITS (0, 3), i); | |
2229 | + b = EXTEND8 (b); | |
2230 | + | |
2231 | + if (a > b) | |
2232 | + s = a; | |
2233 | + else | |
2234 | + s = b; | |
2235 | + | |
2236 | + r |= (s & 0xff) << (i * 8); | |
2237 | + } | |
2238 | + else /* Unsigned. */ | |
2239 | + { | |
2240 | + unsigned int a, b; | |
2241 | + | |
2242 | + a = wRBYTE (BITS (16, 19), i); | |
2243 | + b = wRBYTE (BITS (0, 3), i); | |
2244 | + | |
2245 | + if (a > b) | |
2246 | + s = a; | |
2247 | + else | |
2248 | + s = b; | |
2249 | + | |
2250 | + r |= (s & 0xff) << (i * 8); | |
2251 | + } | |
2252 | + break; | |
2253 | + | |
2254 | + case Hqual: | |
2255 | + for (i = 0; i < 4; i++) | |
2256 | + if (BIT (21)) /* Signed. */ | |
2257 | + { | |
2258 | + int a, b; | |
2259 | + | |
2260 | + a = wRHALF (BITS (16, 19), i); | |
2261 | + a = EXTEND16 (a); | |
2262 | + | |
2263 | + b = wRHALF (BITS (0, 3), i); | |
2264 | + b = EXTEND16 (b); | |
2265 | + | |
2266 | + if (a > b) | |
2267 | + s = a; | |
2268 | + else | |
2269 | + s = b; | |
2270 | + | |
2271 | + r |= (s & 0xffff) << (i * 16); | |
2272 | + } | |
2273 | + else /* Unsigned. */ | |
2274 | + { | |
2275 | + unsigned int a, b; | |
2276 | + | |
2277 | + a = wRHALF (BITS (16, 19), i); | |
2278 | + b = wRHALF (BITS (0, 3), i); | |
2279 | + | |
2280 | + if (a > b) | |
2281 | + s = a; | |
2282 | + else | |
2283 | + s = b; | |
2284 | + | |
2285 | + r |= (s & 0xffff) << (i * 16); | |
2286 | + } | |
2287 | + break; | |
2288 | + | |
2289 | + case Wqual: | |
2290 | + for (i = 0; i < 2; i++) | |
2291 | + if (BIT (21)) /* Signed. */ | |
2292 | + { | |
2293 | + int a, b; | |
2294 | + | |
2295 | + a = wRWORD (BITS (16, 19), i); | |
2296 | + b = wRWORD (BITS (0, 3), i); | |
2297 | + | |
2298 | + if (a > b) | |
2299 | + s = a; | |
2300 | + else | |
2301 | + s = b; | |
2302 | + | |
2303 | + r |= (s & 0xffffffff) << (i * 32); | |
2304 | + } | |
2305 | + else | |
2306 | + { | |
2307 | + unsigned int a, b; | |
2308 | + | |
2309 | + a = wRWORD (BITS (16, 19), i); | |
2310 | + b = wRWORD (BITS (0, 3), i); | |
2311 | + | |
2312 | + if (a > b) | |
2313 | + s = a; | |
2314 | + else | |
2315 | + s = b; | |
2316 | + | |
2317 | + r |= (s & 0xffffffff) << (i * 32); | |
2318 | + } | |
2319 | + break; | |
2320 | + | |
2321 | + default: | |
2322 | + ARMul_UndefInstr (state, instr); | |
2323 | + return ARMul_DONE; | |
2324 | + } | |
2325 | + | |
2326 | + wR [BITS (12, 15)] = r; | |
2327 | + wC [wCon] |= WCON_MUP; | |
2328 | + | |
2329 | + return ARMul_DONE; | |
2330 | +} | |
2331 | + | |
2332 | +static int | |
2333 | +WMIN (ARMul_State * state, ARMword instr) | |
2334 | +{ | |
2335 | + ARMdword r = 0; | |
2336 | + ARMdword s; | |
2337 | + int i; | |
2338 | + | |
2339 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
2340 | + return ARMul_CANT; | |
2341 | + | |
2342 | +#ifdef DEBUG | |
2343 | + fprintf (stderr, "wmin\n"); | |
2344 | +#endif | |
2345 | + | |
2346 | + switch (BITS (22, 23)) | |
2347 | + { | |
2348 | + case Bqual: | |
2349 | + for (i = 0; i < 8; i++) | |
2350 | + if (BIT (21)) /* Signed. */ | |
2351 | + { | |
2352 | + int a, b; | |
2353 | + | |
2354 | + a = wRBYTE (BITS (16, 19), i); | |
2355 | + a = EXTEND8 (a); | |
2356 | + | |
2357 | + b = wRBYTE (BITS (0, 3), i); | |
2358 | + b = EXTEND8 (b); | |
2359 | + | |
2360 | + if (a < b) | |
2361 | + s = a; | |
2362 | + else | |
2363 | + s = b; | |
2364 | + | |
2365 | + r |= (s & 0xff) << (i * 8); | |
2366 | + } | |
2367 | + else /* Unsigned. */ | |
2368 | + { | |
2369 | + unsigned int a, b; | |
2370 | + | |
2371 | + a = wRBYTE (BITS (16, 19), i); | |
2372 | + b = wRBYTE (BITS (0, 3), i); | |
2373 | + | |
2374 | + if (a < b) | |
2375 | + s = a; | |
2376 | + else | |
2377 | + s = b; | |
2378 | + | |
2379 | + r |= (s & 0xff) << (i * 8); | |
2380 | + } | |
2381 | + break; | |
2382 | + | |
2383 | + case Hqual: | |
2384 | + for (i = 0; i < 4; i++) | |
2385 | + if (BIT (21)) /* Signed. */ | |
2386 | + { | |
2387 | + int a, b; | |
2388 | + | |
2389 | + a = wRHALF (BITS (16, 19), i); | |
2390 | + a = EXTEND16 (a); | |
2391 | + | |
2392 | + b = wRHALF (BITS (0, 3), i); | |
2393 | + b = EXTEND16 (b); | |
2394 | + | |
2395 | + if (a < b) | |
2396 | + s = a; | |
2397 | + else | |
2398 | + s = b; | |
2399 | + | |
2400 | + r |= (s & 0xffff) << (i * 16); | |
2401 | + } | |
2402 | + else | |
2403 | + { | |
2404 | + /* Unsigned. */ | |
2405 | + unsigned int a, b; | |
2406 | + | |
2407 | + a = wRHALF (BITS (16, 19), i); | |
2408 | + b = wRHALF (BITS ( 0, 3), i); | |
2409 | + | |
2410 | + if (a < b) | |
2411 | + s = a; | |
2412 | + else | |
2413 | + s = b; | |
2414 | + | |
2415 | + r |= (s & 0xffff) << (i * 16); | |
2416 | + } | |
2417 | + break; | |
2418 | + | |
2419 | + case Wqual: | |
2420 | + for (i = 0; i < 2; i++) | |
2421 | + if (BIT (21)) /* Signed. */ | |
2422 | + { | |
2423 | + int a, b; | |
2424 | + | |
2425 | + a = wRWORD (BITS (16, 19), i); | |
2426 | + b = wRWORD (BITS ( 0, 3), i); | |
2427 | + | |
2428 | + if (a < b) | |
2429 | + s = a; | |
2430 | + else | |
2431 | + s = b; | |
2432 | + | |
2433 | + r |= (s & 0xffffffff) << (i * 32); | |
2434 | + } | |
2435 | + else | |
2436 | + { | |
2437 | + unsigned int a, b; | |
2438 | + | |
2439 | + a = wRWORD (BITS (16, 19), i); | |
2440 | + b = wRWORD (BITS (0, 3), i); | |
2441 | + | |
2442 | + if (a < b) | |
2443 | + s = a; | |
2444 | + else | |
2445 | + s = b; | |
2446 | + | |
2447 | + r |= (s & 0xffffffff) << (i * 32); | |
2448 | + } | |
2449 | + break; | |
2450 | + | |
2451 | + default: | |
2452 | + ARMul_UndefInstr (state, instr); | |
2453 | + return ARMul_DONE; | |
2454 | + } | |
2455 | + | |
2456 | + wR [BITS (12, 15)] = r; | |
2457 | + wC [wCon] |= WCON_MUP; | |
2458 | + | |
2459 | + return ARMul_DONE; | |
2460 | +} | |
2461 | + | |
2462 | +static int | |
2463 | +WMUL (ARMword instr) | |
2464 | +{ | |
2465 | + ARMdword r = 0; | |
2466 | + ARMdword s; | |
2467 | + int i; | |
2468 | + | |
2469 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
2470 | + return ARMul_CANT; | |
2471 | + | |
2472 | +#ifdef DEBUG | |
2473 | + fprintf (stderr, "wmul\n"); | |
2474 | +#endif | |
2475 | + | |
2476 | + for (i = 0; i < 4; i++) | |
2477 | + if (BIT (21)) /* Signed. */ | |
2478 | + { | |
2479 | + long a, b; | |
2480 | + | |
2481 | + a = wRHALF (BITS (16, 19), i); | |
2482 | + a = EXTEND16 (a); | |
2483 | + | |
2484 | + b = wRHALF (BITS (0, 3), i); | |
2485 | + b = EXTEND16 (b); | |
2486 | + | |
2487 | + s = a * b; | |
2488 | + | |
2489 | + if (BIT (20)) | |
2490 | + r |= ((s >> 16) & 0xffff) << (i * 16); | |
2491 | + else | |
2492 | + r |= (s & 0xffff) << (i * 16); | |
2493 | + } | |
2494 | + else /* Unsigned. */ | |
2495 | + { | |
2496 | + unsigned long a, b; | |
2497 | + | |
2498 | + a = wRHALF (BITS (16, 19), i); | |
2499 | + b = wRHALF (BITS (0, 3), i); | |
2500 | + | |
2501 | + s = a * b; | |
2502 | + | |
2503 | + if (BIT (20)) | |
2504 | + r |= ((s >> 16) & 0xffff) << (i * 16); | |
2505 | + else | |
2506 | + r |= (s & 0xffff) << (i * 16); | |
2507 | + } | |
2508 | + | |
2509 | + wR [BITS (12, 15)] = r; | |
2510 | + wC [wCon] |= WCON_MUP; | |
2511 | + | |
2512 | + return ARMul_DONE; | |
2513 | +} | |
2514 | + | |
2515 | +static int | |
2516 | +WOR (ARMword instr) | |
2517 | +{ | |
2518 | + ARMword psr = 0; | |
2519 | + ARMdword result; | |
2520 | + | |
2521 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
2522 | + return ARMul_CANT; | |
2523 | + | |
2524 | +#ifdef DEBUG | |
2525 | + fprintf (stderr, "wor\n"); | |
2526 | +#endif | |
2527 | + | |
2528 | + result = wR [BITS (16, 19)] | wR [BITS (0, 3)]; | |
2529 | + wR [BITS (12, 15)] = result; | |
2530 | + | |
2531 | + SIMD64_SET (psr, (result == 0), SIMD_ZBIT); | |
2532 | + SIMD64_SET (psr, (result & (1ULL << 63)), SIMD_NBIT); | |
2533 | + | |
2534 | + wC [wCASF] = psr; | |
2535 | + wC [wCon] |= (WCON_CUP | WCON_MUP); | |
2536 | + | |
2537 | + return ARMul_DONE; | |
2538 | +} | |
2539 | + | |
2540 | +static int | |
2541 | +WPACK (ARMul_State * state, ARMword instr) | |
2542 | +{ | |
2543 | + ARMdword r = 0; | |
2544 | + ARMword psr = 0; | |
2545 | + ARMdword x; | |
2546 | + ARMdword s; | |
2547 | + int i; | |
2548 | + int satrv[8]; | |
2549 | + | |
2550 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
2551 | + return ARMul_CANT; | |
2552 | + | |
2553 | +#ifdef DEBUG | |
2554 | + fprintf (stderr, "wpack\n"); | |
2555 | +#endif | |
2556 | + | |
2557 | + switch (BITS (22, 23)) | |
2558 | + { | |
2559 | + case Hqual: | |
2560 | + for (i = 0; i < 8; i++) | |
2561 | + { | |
2562 | + x = wRHALF (i < 4 ? BITS (16, 19) : BITS (0, 3), i & 3); | |
2563 | + | |
2564 | + switch (BITS (20, 21)) | |
2565 | + { | |
2566 | + case UnsignedSaturation: | |
2567 | + s = IwmmxtSaturateU8 (x, satrv + BITIDX8 (i)); | |
2568 | + break; | |
2569 | + | |
2570 | + case SignedSaturation: | |
2571 | + s = IwmmxtSaturateS8 (x, satrv + BITIDX8 (i)); | |
2572 | + break; | |
2573 | + | |
2574 | + default: | |
2575 | + ARMul_UndefInstr (state, instr); | |
2576 | + return ARMul_DONE; | |
2577 | + } | |
2578 | + | |
2579 | + r |= (s & 0xff) << (i * 8); | |
2580 | + SIMD8_SET (psr, NBIT8 (s), SIMD_NBIT, i); | |
2581 | + SIMD8_SET (psr, ZBIT8 (s), SIMD_ZBIT, i); | |
2582 | + } | |
2583 | + break; | |
2584 | + | |
2585 | + case Wqual: | |
2586 | + satrv[0] = satrv[2] = satrv[4] = satrv[6] = 0; | |
2587 | + | |
2588 | + for (i = 0; i < 4; i++) | |
2589 | + { | |
2590 | + x = wRWORD (i < 2 ? BITS (16, 19) : BITS (0, 3), i & 1); | |
2591 | + | |
2592 | + switch (BITS (20, 21)) | |
2593 | + { | |
2594 | + case UnsignedSaturation: | |
2595 | + s = IwmmxtSaturateU16 (x, satrv + BITIDX16 (i)); | |
2596 | + break; | |
2597 | + | |
2598 | + case SignedSaturation: | |
2599 | + s = IwmmxtSaturateS16 (x, satrv + BITIDX16 (i)); | |
2600 | + break; | |
2601 | + | |
2602 | + default: | |
2603 | + ARMul_UndefInstr (state, instr); | |
2604 | + return ARMul_DONE; | |
2605 | + } | |
2606 | + | |
2607 | + r |= (s & 0xffff) << (i * 16); | |
2608 | + SIMD16_SET (psr, NBIT16 (s), SIMD_NBIT, i); | |
2609 | + SIMD16_SET (psr, ZBIT16 (s), SIMD_ZBIT, i); | |
2610 | + } | |
2611 | + break; | |
2612 | + | |
2613 | + case Dqual: | |
2614 | + satrv[0] = satrv[1] = satrv[2] = satrv[4] = satrv[5] = satrv[6] = 0; | |
2615 | + | |
2616 | + for (i = 0; i < 2; i++) | |
2617 | + { | |
2618 | + x = wR [i ? BITS (0, 3) : BITS (16, 19)]; | |
2619 | + | |
2620 | + switch (BITS (20, 21)) | |
2621 | + { | |
2622 | + case UnsignedSaturation: | |
2623 | + s = IwmmxtSaturateU32 (x, satrv + BITIDX32 (i)); | |
2624 | + break; | |
2625 | + | |
2626 | + case SignedSaturation: | |
2627 | + s = IwmmxtSaturateS32 (x, satrv + BITIDX32 (i)); | |
2628 | + break; | |
2629 | + | |
2630 | + default: | |
2631 | + ARMul_UndefInstr (state, instr); | |
2632 | + return ARMul_DONE; | |
2633 | + } | |
2634 | + | |
2635 | + r |= (s & 0xffffffff) << (i * 32); | |
2636 | + SIMD32_SET (psr, NBIT32 (s), SIMD_NBIT, i); | |
2637 | + SIMD32_SET (psr, ZBIT32 (s), SIMD_ZBIT, i); | |
2638 | + } | |
2639 | + break; | |
2640 | + | |
2641 | + default: | |
2642 | + ARMul_UndefInstr (state, instr); | |
2643 | + return ARMul_DONE; | |
2644 | + } | |
2645 | + | |
2646 | + wC [wCASF] = psr; | |
2647 | + wR [BITS (12, 15)] = r; | |
2648 | + SET_wCSSFvec (satrv); | |
2649 | + wC [wCon] |= (WCON_CUP | WCON_MUP); | |
2650 | + | |
2651 | + return ARMul_DONE; | |
2652 | +} | |
2653 | + | |
2654 | +static int | |
2655 | +WROR (ARMul_State * state, ARMword instr) | |
2656 | +{ | |
2657 | + ARMdword r = 0; | |
2658 | + ARMdword s; | |
2659 | + ARMword psr = 0; | |
2660 | + int i; | |
2661 | + int shift; | |
2662 | + | |
2663 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
2664 | + return ARMul_CANT; | |
2665 | + | |
2666 | +#ifdef DEBUG | |
2667 | + fprintf (stderr, "wror\n"); | |
2668 | +#endif | |
2669 | + | |
2670 | + DECODE_G_BIT (state, instr, shift); | |
2671 | + | |
2672 | + switch (BITS (22, 23)) | |
2673 | + { | |
2674 | + case Hqual: | |
2675 | + shift &= 0xf; | |
2676 | + for (i = 0; i < 4; i++) | |
2677 | + { | |
2678 | + s = ((wRHALF (BITS (16, 19), i) & 0xffff) << (16 - shift)) | |
2679 | + | ((wRHALF (BITS (16, 19), i) & 0xffff) >> shift); | |
2680 | + r |= (s & 0xffff) << (i * 16); | |
2681 | + SIMD16_SET (psr, NBIT16 (s), SIMD_NBIT, i); | |
2682 | + SIMD16_SET (psr, ZBIT16 (s), SIMD_ZBIT, i); | |
2683 | + } | |
2684 | + break; | |
2685 | + | |
2686 | + case Wqual: | |
2687 | + shift &= 0x1f; | |
2688 | + for (i = 0; i < 2; i++) | |
2689 | + { | |
2690 | + s = ((wRWORD (BITS (16, 19), i) & 0xffffffff) << (32 - shift)) | |
2691 | + | ((wRWORD (BITS (16, 19), i) & 0xffffffff) >> shift); | |
2692 | + r |= (s & 0xffffffff) << (i * 32); | |
2693 | + SIMD32_SET (psr, NBIT32 (s), SIMD_NBIT, i); | |
2694 | + SIMD32_SET (psr, ZBIT32 (s), SIMD_ZBIT, i); | |
2695 | + } | |
2696 | + break; | |
2697 | + | |
2698 | + case Dqual: | |
2699 | + shift &= 0x3f; | |
2700 | + r = (wR [BITS (16, 19)] >> shift) | |
2701 | + | (wR [BITS (16, 19)] << (64 - shift)); | |
2702 | + | |
2703 | + SIMD64_SET (psr, NBIT64 (r), SIMD_NBIT); | |
2704 | + SIMD64_SET (psr, ZBIT64 (r), SIMD_ZBIT); | |
2705 | + break; | |
2706 | + | |
2707 | + default: | |
2708 | + ARMul_UndefInstr (state, instr); | |
2709 | + return ARMul_DONE; | |
2710 | + } | |
2711 | + | |
2712 | + wC [wCASF] = psr; | |
2713 | + wR [BITS (12, 15)] = r; | |
2714 | + wC [wCon] |= (WCON_CUP | WCON_MUP); | |
2715 | + | |
2716 | + return ARMul_DONE; | |
2717 | +} | |
2718 | + | |
2719 | +static int | |
2720 | +WSAD (ARMword instr) | |
2721 | +{ | |
2722 | + ARMdword r; | |
2723 | + int s; | |
2724 | + int i; | |
2725 | + | |
2726 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
2727 | + return ARMul_CANT; | |
2728 | + | |
2729 | +#ifdef DEBUG | |
2730 | + fprintf (stderr, "wsad\n"); | |
2731 | +#endif | |
2732 | + | |
2733 | + /* Z bit. */ | |
2734 | + r = BIT (20) ? 0 : (wR [BITS (12, 15)] & 0xffffffff); | |
2735 | + | |
2736 | + if (BIT (22)) | |
2737 | + /* Half. */ | |
2738 | + for (i = 0; i < 4; i++) | |
2739 | + { | |
2740 | + s = (wRHALF (BITS (16, 19), i) - wRHALF (BITS (0, 3), i)); | |
2741 | + r += abs (s); | |
2742 | + } | |
2743 | + else | |
2744 | + /* Byte. */ | |
2745 | + for (i = 0; i < 8; i++) | |
2746 | + { | |
2747 | + s = (wRBYTE (BITS (16, 19), i) - wRBYTE (BITS (0, 3), i)); | |
2748 | + r += abs (s); | |
2749 | + } | |
2750 | + | |
2751 | + wR [BITS (12, 15)] = r; | |
2752 | + wC [wCon] |= WCON_MUP; | |
2753 | + | |
2754 | + return ARMul_DONE; | |
2755 | +} | |
2756 | + | |
2757 | +static int | |
2758 | +WSHUFH (ARMword instr) | |
2759 | +{ | |
2760 | + ARMdword r = 0; | |
2761 | + ARMword psr = 0; | |
2762 | + ARMdword s; | |
2763 | + int i; | |
2764 | + int imm8; | |
2765 | + | |
2766 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
2767 | + return ARMul_CANT; | |
2768 | + | |
2769 | +#ifdef DEBUG | |
2770 | + fprintf (stderr, "wshufh\n"); | |
2771 | +#endif | |
2772 | + | |
2773 | + imm8 = (BITS (20, 23) << 4) | BITS (0, 3); | |
2774 | + | |
2775 | + for (i = 0; i < 4; i++) | |
2776 | + { | |
2777 | + s = wRHALF (BITS (16, 19), ((imm8 >> (i * 2) & 3)) & 0xff); | |
2778 | + r |= (s & 0xffff) << (i * 16); | |
2779 | + SIMD16_SET (psr, NBIT16 (s), SIMD_NBIT, i); | |
2780 | + SIMD16_SET (psr, ZBIT16 (s), SIMD_ZBIT, i); | |
2781 | + } | |
2782 | + | |
2783 | + wC [wCASF] = psr; | |
2784 | + wR [BITS (12, 15)] = r; | |
2785 | + wC [wCon] |= (WCON_CUP | WCON_MUP); | |
2786 | + | |
2787 | + return ARMul_DONE; | |
2788 | +} | |
2789 | + | |
2790 | +static int | |
2791 | +WSLL (ARMul_State * state, ARMword instr) | |
2792 | +{ | |
2793 | + ARMdword r = 0; | |
2794 | + ARMdword s; | |
2795 | + ARMword psr = 0; | |
2796 | + int i; | |
2797 | + unsigned shift; | |
2798 | + | |
2799 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
2800 | + return ARMul_CANT; | |
2801 | + | |
2802 | +#ifdef DEBUG | |
2803 | + fprintf (stderr, "wsll\n"); | |
2804 | +#endif | |
2805 | + | |
2806 | + DECODE_G_BIT (state, instr, shift); | |
2807 | + | |
2808 | + switch (BITS (22, 23)) | |
2809 | + { | |
2810 | + case Hqual: | |
2811 | + for (i = 0; i < 4; i++) | |
2812 | + { | |
2813 | + if (shift > 15) | |
2814 | + s = 0; | |
2815 | + else | |
2816 | + s = ((wRHALF (BITS (16, 19), i) & 0xffff) << shift); | |
2817 | + r |= (s & 0xffff) << (i * 16); | |
2818 | + SIMD16_SET (psr, NBIT16 (s), SIMD_NBIT, i); | |
2819 | + SIMD16_SET (psr, ZBIT16 (s), SIMD_ZBIT, i); | |
2820 | + } | |
2821 | + break; | |
2822 | + | |
2823 | + case Wqual: | |
2824 | + for (i = 0; i < 2; i++) | |
2825 | + { | |
2826 | + if (shift > 31) | |
2827 | + s = 0; | |
2828 | + else | |
2829 | + s = ((wRWORD (BITS (16, 19), i) & 0xffffffff) << shift); | |
2830 | + r |= (s & 0xffffffff) << (i * 32); | |
2831 | + SIMD32_SET (psr, NBIT32 (s), SIMD_NBIT, i); | |
2832 | + SIMD32_SET (psr, ZBIT32 (s), SIMD_ZBIT, i); | |
2833 | + } | |
2834 | + break; | |
2835 | + | |
2836 | + case Dqual: | |
2837 | + if (shift > 63) | |
2838 | + r = 0; | |
2839 | + else | |
2840 | + r = ((wR[BITS (16, 19)] & 0xffffffffffffffff) << shift); | |
2841 | + | |
2842 | + SIMD64_SET (psr, NBIT64 (r), SIMD_NBIT); | |
2843 | + SIMD64_SET (psr, ZBIT64 (r), SIMD_ZBIT); | |
2844 | + break; | |
2845 | + | |
2846 | + default: | |
2847 | + ARMul_UndefInstr (state, instr); | |
2848 | + return ARMul_DONE; | |
2849 | + } | |
2850 | + | |
2851 | + wC [wCASF] = psr; | |
2852 | + wR [BITS (12, 15)] = r; | |
2853 | + wC [wCon] |= (WCON_CUP | WCON_MUP); | |
2854 | + | |
2855 | + return ARMul_DONE; | |
2856 | +} | |
2857 | + | |
2858 | +static int | |
2859 | +WSRA (ARMul_State * state, ARMword instr) | |
2860 | +{ | |
2861 | + ARMdword r = 0; | |
2862 | + ARMdword s; | |
2863 | + ARMword psr = 0; | |
2864 | + int i; | |
2865 | + unsigned shift; | |
2866 | + signed long t; | |
2867 | + | |
2868 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
2869 | + return ARMul_CANT; | |
2870 | + | |
2871 | +#ifdef DEBUG | |
2872 | + fprintf (stderr, "wsra\n"); | |
2873 | +#endif | |
2874 | + | |
2875 | + DECODE_G_BIT (state, instr, shift); | |
2876 | + | |
2877 | + switch (BITS (22, 23)) | |
2878 | + { | |
2879 | + case Hqual: | |
2880 | + for (i = 0; i < 4; i++) | |
2881 | + { | |
2882 | + if (shift > 15) | |
2883 | + t = (wRHALF (BITS (16, 19), i) & 0x8000) ? 0xffff : 0; | |
2884 | + else | |
2885 | + { | |
2886 | + t = wRHALF (BITS (16, 19), i); | |
2887 | + t = EXTEND16 (t); | |
2888 | + t >>= shift; | |
2889 | + } | |
2890 | + | |
2891 | + s = t; | |
2892 | + r |= (s & 0xffff) << (i * 16); | |
2893 | + SIMD16_SET (psr, NBIT16 (s), SIMD_NBIT, i); | |
2894 | + SIMD16_SET (psr, ZBIT16 (s), SIMD_ZBIT, i); | |
2895 | + } | |
2896 | + break; | |
2897 | + | |
2898 | + case Wqual: | |
2899 | + for (i = 0; i < 2; i++) | |
2900 | + { | |
2901 | + if (shift > 31) | |
2902 | + t = (wRWORD (BITS (16, 19), i) & 0x80000000) ? 0xffffffff : 0; | |
2903 | + else | |
2904 | + { | |
2905 | + t = wRWORD (BITS (16, 19), i); | |
2906 | + t >>= shift; | |
2907 | + } | |
2908 | + s = t; | |
2909 | + r |= (s & 0xffffffff) << (i * 32); | |
2910 | + SIMD32_SET (psr, NBIT32 (s), SIMD_NBIT, i); | |
2911 | + SIMD32_SET (psr, ZBIT32 (s), SIMD_ZBIT, i); | |
2912 | + } | |
2913 | + break; | |
2914 | + | |
2915 | + case Dqual: | |
2916 | + if (shift > 63) | |
2917 | + r = (wR [BITS (16, 19)] & 0x8000000000000000) ? 0xffffffffffffffff : 0; | |
2918 | + else | |
2919 | + r = ((signed long long) (wR[BITS (16, 19)] & 0xffffffffffffffff) >> shift); | |
2920 | + SIMD64_SET (psr, NBIT64 (r), SIMD_NBIT); | |
2921 | + SIMD64_SET (psr, ZBIT64 (r), SIMD_ZBIT); | |
2922 | + break; | |
2923 | + | |
2924 | + default: | |
2925 | + ARMul_UndefInstr (state, instr); | |
2926 | + return ARMul_DONE; | |
2927 | + } | |
2928 | + | |
2929 | + wC [wCASF] = psr; | |
2930 | + wR [BITS (12, 15)] = r; | |
2931 | + wC [wCon] |= (WCON_CUP | WCON_MUP); | |
2932 | + | |
2933 | + return ARMul_DONE; | |
2934 | +} | |
2935 | + | |
2936 | +static int | |
2937 | +WSRL (ARMul_State * state, ARMword instr) | |
2938 | +{ | |
2939 | + ARMdword r = 0; | |
2940 | + ARMdword s; | |
2941 | + ARMword psr = 0; | |
2942 | + int i; | |
2943 | + unsigned int shift; | |
2944 | + | |
2945 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
2946 | + return ARMul_CANT; | |
2947 | + | |
2948 | +#ifdef DEBUG | |
2949 | + fprintf (stderr, "wsrl\n"); | |
2950 | +#endif | |
2951 | + | |
2952 | + DECODE_G_BIT (state, instr, shift); | |
2953 | + | |
2954 | + switch (BITS (22, 23)) | |
2955 | + { | |
2956 | + case Hqual: | |
2957 | + for (i = 0; i < 4; i++) | |
2958 | + { | |
2959 | + if (shift > 15) | |
2960 | + s = 0; | |
2961 | + else | |
2962 | + s = ((unsigned) (wRHALF (BITS (16, 19), i) & 0xffff) >> shift); | |
2963 | + | |
2964 | + r |= (s & 0xffff) << (i * 16); | |
2965 | + SIMD16_SET (psr, NBIT16 (s), SIMD_NBIT, i); | |
2966 | + SIMD16_SET (psr, ZBIT16 (s), SIMD_ZBIT, i); | |
2967 | + } | |
2968 | + break; | |
2969 | + | |
2970 | + case Wqual: | |
2971 | + for (i = 0; i < 2; i++) | |
2972 | + { | |
2973 | + if (shift > 31) | |
2974 | + s = 0; | |
2975 | + else | |
2976 | + s = ((unsigned long) (wRWORD (BITS (16, 19), i) & 0xffffffff) >> shift); | |
2977 | + | |
2978 | + r |= (s & 0xffffffff) << (i * 32); | |
2979 | + SIMD32_SET (psr, NBIT32 (s), SIMD_NBIT, i); | |
2980 | + SIMD32_SET (psr, ZBIT32 (s), SIMD_ZBIT, i); | |
2981 | + } | |
2982 | + break; | |
2983 | + | |
2984 | + case Dqual: | |
2985 | + if (shift > 63) | |
2986 | + r = 0; | |
2987 | + else | |
2988 | + r = (wR [BITS (16, 19)] & 0xffffffffffffffff) >> shift; | |
2989 | + | |
2990 | + SIMD64_SET (psr, NBIT64 (r), SIMD_NBIT); | |
2991 | + SIMD64_SET (psr, ZBIT64 (r), SIMD_ZBIT); | |
2992 | + break; | |
2993 | + | |
2994 | + default: | |
2995 | + ARMul_UndefInstr (state, instr); | |
2996 | + return ARMul_DONE; | |
2997 | + } | |
2998 | + | |
2999 | + wC [wCASF] = psr; | |
3000 | + wR [BITS (12, 15)] = r; | |
3001 | + wC [wCon] |= (WCON_CUP | WCON_MUP); | |
3002 | + | |
3003 | + return ARMul_DONE; | |
3004 | +} | |
3005 | + | |
3006 | +static int | |
3007 | +WSTR (ARMul_State * state, ARMword instr) | |
3008 | +{ | |
3009 | + ARMword address; | |
3010 | + int failed; | |
3011 | + | |
3012 | + | |
3013 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
3014 | + return ARMul_CANT; | |
3015 | + | |
3016 | +#ifdef DEBUG | |
3017 | + fprintf (stderr, "wstr\n"); | |
3018 | +#endif | |
3019 | + | |
3020 | + address = Compute_Iwmmxt_Address (state, instr, & failed); | |
3021 | + if (failed) | |
3022 | + return ARMul_CANT; | |
3023 | + | |
3024 | + if (BITS (28, 31) == 0xf) | |
3025 | + { | |
3026 | + /* WSTRW wCx */ | |
3027 | + Iwmmxt_Store_Word (state, address, wC [BITS (12, 15)]); | |
3028 | + } | |
3029 | + else if (BIT (8) == 0) | |
3030 | + { | |
3031 | + if (BIT (22) == 0) | |
3032 | + /* WSTRB */ | |
3033 | + Iwmmxt_Store_Byte (state, address, wR [BITS (12, 15)]); | |
3034 | + else | |
3035 | + /* WSTRH */ | |
3036 | + Iwmmxt_Store_Half_Word (state, address, wR [BITS (12, 15)]); | |
3037 | + } | |
3038 | + else | |
3039 | + { | |
3040 | + if (BIT (22) == 0) | |
3041 | + /* WSTRW wRd */ | |
3042 | + Iwmmxt_Store_Word (state, address, wR [BITS (12, 15)]); | |
3043 | + else | |
3044 | + /* WSTRD */ | |
3045 | + Iwmmxt_Store_Double_Word (state, address, wR [BITS (12, 15)]); | |
3046 | + } | |
3047 | + | |
3048 | + return ARMul_DONE; | |
3049 | +} | |
3050 | + | |
3051 | +static int | |
3052 | +WSUB (ARMul_State * state, ARMword instr) | |
3053 | +{ | |
3054 | + ARMdword r = 0; | |
3055 | + ARMword psr = 0; | |
3056 | + ARMdword x; | |
3057 | + ARMdword s; | |
3058 | + int i; | |
3059 | + int carry; | |
3060 | + int overflow; | |
3061 | + int satrv[8]; | |
3062 | + | |
3063 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
3064 | + return ARMul_CANT; | |
3065 | + | |
3066 | +#ifdef DEBUG | |
3067 | + fprintf (stderr, "wsub\n"); | |
3068 | +#endif | |
3069 | + | |
3070 | +/* Subtract two numbers using the specified function, | |
3071 | + leaving setting the carry bit as required. */ | |
3072 | +#define SUBx(x, y, m, f) \ | |
3073 | + (*f) (wRBITS (BITS (16, 19), (x), (y)) & (m), \ | |
3074 | + wRBITS (BITS ( 0, 3), (x), (y)) & (m), & carry, & overflow) | |
3075 | + | |
3076 | + switch (BITS (22, 23)) | |
3077 | + { | |
3078 | + case Bqual: | |
3079 | + for (i = 0; i < 8; i++) | |
3080 | + { | |
3081 | + switch (BITS (20, 21)) | |
3082 | + { | |
3083 | + case NoSaturation: | |
3084 | + s = SUBx ((i * 8), (i * 8) + 7, 0xff, SubS8); | |
3085 | + satrv [BITIDX8 (i)] = 0; | |
3086 | + r |= (s & 0xff) << (i * 8); | |
3087 | + SIMD8_SET (psr, NBIT8 (s), SIMD_NBIT, i); | |
3088 | + SIMD8_SET (psr, ZBIT8 (s), SIMD_ZBIT, i); | |
3089 | + SIMD8_SET (psr, carry, SIMD_CBIT, i); | |
3090 | + SIMD8_SET (psr, overflow, SIMD_VBIT, i); | |
3091 | + break; | |
3092 | + | |
3093 | + case UnsignedSaturation: | |
3094 | + s = SUBx ((i * 8), (i * 8) + 7, 0xff, SubU8); | |
3095 | + x = IwmmxtSaturateU8 (s, satrv + BITIDX8 (i)); | |
3096 | + r |= (x & 0xff) << (i * 8); | |
3097 | + SIMD8_SET (psr, NBIT8 (x), SIMD_NBIT, i); | |
3098 | + SIMD8_SET (psr, ZBIT8 (x), SIMD_ZBIT, i); | |
3099 | + if (! satrv [BITIDX8 (i)]) | |
3100 | + { | |
3101 | + SIMD8_SET (psr, carry, SIMD_CBIT, i); | |
3102 | + SIMD8_SET (psr, overflow, SIMD_VBIT, i); | |
3103 | + } | |
3104 | + break; | |
3105 | + | |
3106 | + case SignedSaturation: | |
3107 | + s = SUBx ((i * 8), (i * 8) + 7, 0xff, SubS8); | |
3108 | + x = IwmmxtSaturateS8 (s, satrv + BITIDX8 (i)); | |
3109 | + r |= (x & 0xff) << (i * 8); | |
3110 | + SIMD8_SET (psr, NBIT8 (x), SIMD_NBIT, i); | |
3111 | + SIMD8_SET (psr, ZBIT8 (x), SIMD_ZBIT, i); | |
3112 | + if (! satrv [BITIDX8 (i)]) | |
3113 | + { | |
3114 | + SIMD8_SET (psr, carry, SIMD_CBIT, i); | |
3115 | + SIMD8_SET (psr, overflow, SIMD_VBIT, i); | |
3116 | + } | |
3117 | + break; | |
3118 | + | |
3119 | + default: | |
3120 | + ARMul_UndefInstr (state, instr); | |
3121 | + return ARMul_DONE; | |
3122 | + } | |
3123 | + } | |
3124 | + break; | |
3125 | + | |
3126 | + case Hqual: | |
3127 | + satrv[0] = satrv[2] = satrv[4] = satrv[6] = 0; | |
3128 | + | |
3129 | + for (i = 0; i < 4; i++) | |
3130 | + { | |
3131 | + switch (BITS (20, 21)) | |
3132 | + { | |
3133 | + case NoSaturation: | |
3134 | + s = SUBx ((i * 16), (i * 16) + 15, 0xffff, SubU16); | |
3135 | + satrv [BITIDX16 (i)] = 0; | |
3136 | + r |= (s & 0xffff) << (i * 16); | |
3137 | + SIMD16_SET (psr, NBIT16 (s), SIMD_NBIT, i); | |
3138 | + SIMD16_SET (psr, ZBIT16 (s), SIMD_ZBIT, i); | |
3139 | + SIMD16_SET (psr, carry, SIMD_CBIT, i); | |
3140 | + SIMD16_SET (psr, overflow, SIMD_VBIT, i); | |
3141 | + break; | |
3142 | + | |
3143 | + case UnsignedSaturation: | |
3144 | + s = SUBx ((i * 16), (i * 16) + 15, 0xffff, SubU16); | |
3145 | + x = IwmmxtSaturateU16 (s, satrv + BITIDX16 (i)); | |
3146 | + r |= (x & 0xffff) << (i * 16); | |
3147 | + SIMD16_SET (psr, NBIT16 (x & 0xffff), SIMD_NBIT, i); | |
3148 | + SIMD16_SET (psr, ZBIT16 (x), SIMD_ZBIT, i); | |
3149 | + if (! satrv [BITIDX16 (i)]) | |
3150 | + { | |
3151 | + SIMD16_SET (psr, carry, SIMD_CBIT, i); | |
3152 | + SIMD16_SET (psr, overflow, SIMD_VBIT, i); | |
3153 | + } | |
3154 | + break; | |
3155 | + | |
3156 | + case SignedSaturation: | |
3157 | + s = SUBx ((i * 16), (i * 16) + 15, 0xffff, SubS16); | |
3158 | + x = IwmmxtSaturateS16 (s, satrv + BITIDX16 (i)); | |
3159 | + r |= (x & 0xffff) << (i * 16); | |
3160 | + SIMD16_SET (psr, NBIT16 (x), SIMD_NBIT, i); | |
3161 | + SIMD16_SET (psr, ZBIT16 (x), SIMD_ZBIT, i); | |
3162 | + if (! satrv [BITIDX16 (i)]) | |
3163 | + { | |
3164 | + SIMD16_SET (psr, carry, SIMD_CBIT, i); | |
3165 | + SIMD16_SET (psr, overflow, SIMD_VBIT, i); | |
3166 | + } | |
3167 | + break; | |
3168 | + | |
3169 | + default: | |
3170 | + ARMul_UndefInstr (state, instr); | |
3171 | + return ARMul_DONE; | |
3172 | + } | |
3173 | + } | |
3174 | + break; | |
3175 | + | |
3176 | + case Wqual: | |
3177 | + satrv[0] = satrv[1] = satrv[2] = satrv[4] = satrv[5] = satrv[6] = 0; | |
3178 | + | |
3179 | + for (i = 0; i < 2; i++) | |
3180 | + { | |
3181 | + switch (BITS (20, 21)) | |
3182 | + { | |
3183 | + case NoSaturation: | |
3184 | + s = SUBx ((i * 32), (i * 32) + 31, 0xffffffff, SubU32); | |
3185 | + satrv[BITIDX32 (i)] = 0; | |
3186 | + r |= (s & 0xffffffff) << (i * 32); | |
3187 | + SIMD32_SET (psr, NBIT32 (s), SIMD_NBIT, i); | |
3188 | + SIMD32_SET (psr, ZBIT32 (s), SIMD_ZBIT, i); | |
3189 | + SIMD32_SET (psr, carry, SIMD_CBIT, i); | |
3190 | + SIMD32_SET (psr, overflow, SIMD_VBIT, i); | |
3191 | + break; | |
3192 | + | |
3193 | + case UnsignedSaturation: | |
3194 | + s = SUBx ((i * 32), (i * 32) + 31, 0xffffffff, SubU32); | |
3195 | + x = IwmmxtSaturateU32 (s, satrv + BITIDX32 (i)); | |
3196 | + r |= (x & 0xffffffff) << (i * 32); | |
3197 | + SIMD32_SET (psr, NBIT32 (x), SIMD_NBIT, i); | |
3198 | + SIMD32_SET (psr, ZBIT32 (x), SIMD_ZBIT, i); | |
3199 | + if (! satrv [BITIDX32 (i)]) | |
3200 | + { | |
3201 | + SIMD32_SET (psr, carry, SIMD_CBIT, i); | |
3202 | + SIMD32_SET (psr, overflow, SIMD_VBIT, i); | |
3203 | + } | |
3204 | + break; | |
3205 | + | |
3206 | + case SignedSaturation: | |
3207 | + s = SUBx ((i * 32), (i * 32) + 31, 0xffffffff, SubS32); | |
3208 | + x = IwmmxtSaturateS32 (s, satrv + BITIDX32 (i)); | |
3209 | + r |= (x & 0xffffffff) << (i * 32); | |
3210 | + SIMD32_SET (psr, NBIT32 (x), SIMD_NBIT, i); | |
3211 | + SIMD32_SET (psr, ZBIT32 (x), SIMD_ZBIT, i); | |
3212 | + if (! satrv [BITIDX32 (i)]) | |
3213 | + { | |
3214 | + SIMD32_SET (psr, carry, SIMD_CBIT, i); | |
3215 | + SIMD32_SET (psr, overflow, SIMD_VBIT, i); | |
3216 | + } | |
3217 | + break; | |
3218 | + | |
3219 | + default: | |
3220 | + ARMul_UndefInstr (state, instr); | |
3221 | + return ARMul_DONE; | |
3222 | + } | |
3223 | + } | |
3224 | + break; | |
3225 | + | |
3226 | + default: | |
3227 | + ARMul_UndefInstr (state, instr); | |
3228 | + return ARMul_DONE; | |
3229 | + } | |
3230 | + | |
3231 | + wR [BITS (12, 15)] = r; | |
3232 | + wC [wCASF] = psr; | |
3233 | + SET_wCSSFvec (satrv); | |
3234 | + wC [wCon] |= (WCON_CUP | WCON_MUP); | |
3235 | + | |
3236 | +#undef SUBx | |
3237 | + | |
3238 | + return ARMul_DONE; | |
3239 | +} | |
3240 | + | |
3241 | +static int | |
3242 | +WUNPCKEH (ARMul_State * state, ARMword instr) | |
3243 | +{ | |
3244 | + ARMdword r = 0; | |
3245 | + ARMword psr = 0; | |
3246 | + ARMdword s; | |
3247 | + int i; | |
3248 | + | |
3249 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
3250 | + return ARMul_CANT; | |
3251 | + | |
3252 | +#ifdef DEBUG | |
3253 | + fprintf (stderr, "wunpckeh\n"); | |
3254 | +#endif | |
3255 | + | |
3256 | + switch (BITS (22, 23)) | |
3257 | + { | |
3258 | + case Bqual: | |
3259 | + for (i = 0; i < 4; i++) | |
3260 | + { | |
3261 | + s = wRBYTE (BITS (16, 19), i + 4); | |
3262 | + | |
3263 | + if (BIT (21) && NBIT8 (s)) | |
3264 | + s |= 0xff00; | |
3265 | + | |
3266 | + r |= (s & 0xffff) << (i * 16); | |
3267 | + SIMD16_SET (psr, NBIT16 (s), SIMD_NBIT, i); | |
3268 | + SIMD16_SET (psr, ZBIT16 (s), SIMD_ZBIT, i); | |
3269 | + } | |
3270 | + break; | |
3271 | + | |
3272 | + case Hqual: | |
3273 | + for (i = 0; i < 2; i++) | |
3274 | + { | |
3275 | + s = wRHALF (BITS (16, 19), i + 2); | |
3276 | + | |
3277 | + if (BIT (21) && NBIT16 (s)) | |
3278 | + s |= 0xffff0000; | |
3279 | + | |
3280 | + r |= (s & 0xffffffff) << (i * 32); | |
3281 | + SIMD32_SET (psr, NBIT32 (s), SIMD_NBIT, i); | |
3282 | + SIMD32_SET (psr, ZBIT32 (s), SIMD_ZBIT, i); | |
3283 | + } | |
3284 | + break; | |
3285 | + | |
3286 | + case Wqual: | |
3287 | + r = wRWORD (BITS (16, 19), 1); | |
3288 | + | |
3289 | + if (BIT (21) && NBIT32 (r)) | |
3290 | + r |= 0xffffffff00000000; | |
3291 | + | |
3292 | + SIMD64_SET (psr, NBIT64 (r), SIMD_NBIT); | |
3293 | + SIMD64_SET (psr, ZBIT64 (r), SIMD_ZBIT); | |
3294 | + break; | |
3295 | + | |
3296 | + default: | |
3297 | + ARMul_UndefInstr (state, instr); | |
3298 | + return ARMul_DONE; | |
3299 | + } | |
3300 | + | |
3301 | + wC [wCASF] = psr; | |
3302 | + wR [BITS (12, 15)] = r; | |
3303 | + wC [wCon] |= (WCON_CUP | WCON_MUP); | |
3304 | + | |
3305 | + return ARMul_DONE; | |
3306 | +} | |
3307 | + | |
3308 | +static int | |
3309 | +WUNPCKEL (ARMul_State * state, ARMword instr) | |
3310 | +{ | |
3311 | + ARMdword r = 0; | |
3312 | + ARMword psr = 0; | |
3313 | + ARMdword s; | |
3314 | + int i; | |
3315 | + | |
3316 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
3317 | + return ARMul_CANT; | |
3318 | + | |
3319 | +#ifdef DEBUG | |
3320 | + fprintf (stderr, "wunpckel\n"); | |
3321 | +#endif | |
3322 | + | |
3323 | + switch (BITS (22, 23)) | |
3324 | + { | |
3325 | + case Bqual: | |
3326 | + for (i = 0; i < 4; i++) | |
3327 | + { | |
3328 | + s = wRBYTE (BITS (16, 19), i); | |
3329 | + | |
3330 | + if (BIT (21) && NBIT8 (s)) | |
3331 | + s |= 0xff00; | |
3332 | + | |
3333 | + r |= (s & 0xffff) << (i * 16); | |
3334 | + SIMD16_SET (psr, NBIT16 (s), SIMD_NBIT, i); | |
3335 | + SIMD16_SET (psr, ZBIT16 (s), SIMD_ZBIT, i); | |
3336 | + } | |
3337 | + break; | |
3338 | + | |
3339 | + case Hqual: | |
3340 | + for (i = 0; i < 2; i++) | |
3341 | + { | |
3342 | + s = wRHALF (BITS (16, 19), i); | |
3343 | + | |
3344 | + if (BIT (21) && NBIT16 (s)) | |
3345 | + s |= 0xffff0000; | |
3346 | + | |
3347 | + r |= (s & 0xffffffff) << (i * 32); | |
3348 | + SIMD32_SET (psr, NBIT32 (s), SIMD_NBIT, i); | |
3349 | + SIMD32_SET (psr, ZBIT32 (s), SIMD_ZBIT, i); | |
3350 | + } | |
3351 | + break; | |
3352 | + | |
3353 | + case Wqual: | |
3354 | + r = wRWORD (BITS (16, 19), 0); | |
3355 | + | |
3356 | + if (BIT (21) && NBIT32 (r)) | |
3357 | + r |= 0xffffffff00000000; | |
3358 | + | |
3359 | + SIMD64_SET (psr, NBIT64 (r), SIMD_NBIT); | |
3360 | + SIMD64_SET (psr, ZBIT64 (r), SIMD_ZBIT); | |
3361 | + break; | |
3362 | + | |
3363 | + default: | |
3364 | + ARMul_UndefInstr (state, instr); | |
3365 | + return ARMul_DONE; | |
3366 | + } | |
3367 | + | |
3368 | + wC [wCASF] = psr; | |
3369 | + wR [BITS (12, 15)] = r; | |
3370 | + wC [wCon] |= (WCON_CUP | WCON_MUP); | |
3371 | + | |
3372 | + return ARMul_DONE; | |
3373 | +} | |
3374 | + | |
3375 | +static int | |
3376 | +WUNPCKIH (ARMul_State * state, ARMword instr) | |
3377 | +{ | |
3378 | + ARMword a, b; | |
3379 | + ARMdword r = 0; | |
3380 | + ARMword psr = 0; | |
3381 | + ARMdword s; | |
3382 | + int i; | |
3383 | + | |
3384 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
3385 | + return ARMul_CANT; | |
3386 | + | |
3387 | +#ifdef DEBUG | |
3388 | + fprintf (stderr, "wunpckih\n"); | |
3389 | +#endif | |
3390 | + | |
3391 | + switch (BITS (22, 23)) | |
3392 | + { | |
3393 | + case Bqual: | |
3394 | + for (i = 0; i < 4; i++) | |
3395 | + { | |
3396 | + a = wRBYTE (BITS (16, 19), i + 4); | |
3397 | + b = wRBYTE (BITS ( 0, 3), i + 4); | |
3398 | + s = a | (b << 8); | |
3399 | + r |= (s & 0xffff) << (i * 16); | |
3400 | + SIMD8_SET (psr, NBIT8 (a), SIMD_NBIT, i * 2); | |
3401 | + SIMD8_SET (psr, ZBIT8 (a), SIMD_ZBIT, i * 2); | |
3402 | + SIMD8_SET (psr, NBIT8 (b), SIMD_NBIT, (i * 2) + 1); | |
3403 | + SIMD8_SET (psr, ZBIT8 (b), SIMD_ZBIT, (i * 2) + 1); | |
3404 | + } | |
3405 | + break; | |
3406 | + | |
3407 | + case Hqual: | |
3408 | + for (i = 0; i < 2; i++) | |
3409 | + { | |
3410 | + a = wRHALF (BITS (16, 19), i + 2); | |
3411 | + b = wRHALF (BITS ( 0, 3), i + 2); | |
3412 | + s = a | (b << 16); | |
3413 | + r |= (s & 0xffffffff) << (i * 32); | |
3414 | + SIMD16_SET (psr, NBIT16 (a), SIMD_NBIT, (i * 2)); | |
3415 | + SIMD16_SET (psr, ZBIT16 (a), SIMD_ZBIT, (i * 2)); | |
3416 | + SIMD16_SET (psr, NBIT16 (b), SIMD_NBIT, (i * 2) + 1); | |
3417 | + SIMD16_SET (psr, ZBIT16 (b), SIMD_ZBIT, (i * 2) + 1); | |
3418 | + } | |
3419 | + break; | |
3420 | + | |
3421 | + case Wqual: | |
3422 | + a = wRWORD (BITS (16, 19), 1); | |
3423 | + s = wRWORD (BITS ( 0, 3), 1); | |
3424 | + r = a | (s << 32); | |
3425 | + | |
3426 | + SIMD32_SET (psr, NBIT32 (a), SIMD_NBIT, 0); | |
3427 | + SIMD32_SET (psr, ZBIT32 (a), SIMD_ZBIT, 0); | |
3428 | + SIMD32_SET (psr, NBIT32 (s), SIMD_NBIT, 1); | |
3429 | + SIMD32_SET (psr, ZBIT32 (s), SIMD_ZBIT, 1); | |
3430 | + break; | |
3431 | + | |
3432 | + default: | |
3433 | + ARMul_UndefInstr (state, instr); | |
3434 | + return ARMul_DONE; | |
3435 | + } | |
3436 | + | |
3437 | + wC [wCASF] = psr; | |
3438 | + wR [BITS (12, 15)] = r; | |
3439 | + wC [wCon] |= (WCON_CUP | WCON_MUP); | |
3440 | + | |
3441 | + return ARMul_DONE; | |
3442 | +} | |
3443 | + | |
3444 | +static int | |
3445 | +WUNPCKIL (ARMul_State * state, ARMword instr) | |
3446 | +{ | |
3447 | + ARMword a, b; | |
3448 | + ARMdword r = 0; | |
3449 | + ARMword psr = 0; | |
3450 | + ARMdword s; | |
3451 | + int i; | |
3452 | + | |
3453 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
3454 | + return ARMul_CANT; | |
3455 | + | |
3456 | +#ifdef DEBUG | |
3457 | + fprintf (stderr, "wunpckil\n"); | |
3458 | +#endif | |
3459 | + | |
3460 | + switch (BITS (22, 23)) | |
3461 | + { | |
3462 | + case Bqual: | |
3463 | + for (i = 0; i < 4; i++) | |
3464 | + { | |
3465 | + a = wRBYTE (BITS (16, 19), i); | |
3466 | + b = wRBYTE (BITS ( 0, 3), i); | |
3467 | + s = a | (b << 8); | |
3468 | + r |= (s & 0xffff) << (i * 16); | |
3469 | + SIMD8_SET (psr, NBIT8 (a), SIMD_NBIT, i * 2); | |
3470 | + SIMD8_SET (psr, ZBIT8 (a), SIMD_ZBIT, i * 2); | |
3471 | + SIMD8_SET (psr, NBIT8 (b), SIMD_NBIT, (i * 2) + 1); | |
3472 | + SIMD8_SET (psr, ZBIT8 (b), SIMD_ZBIT, (i * 2) + 1); | |
3473 | + } | |
3474 | + break; | |
3475 | + | |
3476 | + case Hqual: | |
3477 | + for (i = 0; i < 2; i++) | |
3478 | + { | |
3479 | + a = wRHALF (BITS (16, 19), i); | |
3480 | + b = wRHALF (BITS ( 0, 3), i); | |
3481 | + s = a | (b << 16); | |
3482 | + r |= (s & 0xffffffff) << (i * 32); | |
3483 | + SIMD16_SET (psr, NBIT16 (a), SIMD_NBIT, (i * 2)); | |
3484 | + SIMD16_SET (psr, ZBIT16 (a), SIMD_ZBIT, (i * 2)); | |
3485 | + SIMD16_SET (psr, NBIT16 (b), SIMD_NBIT, (i * 2) + 1); | |
3486 | + SIMD16_SET (psr, ZBIT16 (b), SIMD_ZBIT, (i * 2) + 1); | |
3487 | + } | |
3488 | + break; | |
3489 | + | |
3490 | + case Wqual: | |
3491 | + a = wRWORD (BITS (16, 19), 0); | |
3492 | + s = wRWORD (BITS ( 0, 3), 0); | |
3493 | + r = a | (s << 32); | |
3494 | + | |
3495 | + SIMD32_SET (psr, NBIT32 (a), SIMD_NBIT, 0); | |
3496 | + SIMD32_SET (psr, ZBIT32 (a), SIMD_ZBIT, 0); | |
3497 | + SIMD32_SET (psr, NBIT32 (s), SIMD_NBIT, 1); | |
3498 | + SIMD32_SET (psr, ZBIT32 (s), SIMD_ZBIT, 1); | |
3499 | + break; | |
3500 | + | |
3501 | + default: | |
3502 | + ARMul_UndefInstr (state, instr); | |
3503 | + return ARMul_DONE; | |
3504 | + } | |
3505 | + | |
3506 | + wC [wCASF] = psr; | |
3507 | + wR [BITS (12, 15)] = r; | |
3508 | + wC [wCon] |= (WCON_CUP | WCON_MUP); | |
3509 | + | |
3510 | + return ARMul_DONE; | |
3511 | +} | |
3512 | + | |
3513 | +static int | |
3514 | +WXOR (ARMword instr) | |
3515 | +{ | |
3516 | + ARMword psr = 0; | |
3517 | + ARMdword result; | |
3518 | + | |
3519 | + if ((read_cp15_reg (15, 0, 1) & 3) != 3) | |
3520 | + return ARMul_CANT; | |
3521 | + | |
3522 | +#ifdef DEBUG | |
3523 | + fprintf (stderr, "wxor\n"); | |
3524 | +#endif | |
3525 | + | |
3526 | + result = wR [BITS (16, 19)] ^ wR [BITS (0, 3)]; | |
3527 | + wR [BITS (12, 15)] = result; | |
3528 | + | |
3529 | + SIMD64_SET (psr, (result == 0), SIMD_ZBIT); | |
3530 | + SIMD64_SET (psr, (result & (1ULL << 63)), SIMD_NBIT); | |
3531 | + | |
3532 | + wC [wCASF] = psr; | |
3533 | + wC [wCon] |= (WCON_CUP | WCON_MUP); | |
3534 | + | |
3535 | + return ARMul_DONE; | |
3536 | +} | |
3537 | + | |
3538 | +/* This switch table is moved to a seperate function in order | |
3539 | + to work around a compiler bug in the host compiler... */ | |
3540 | + | |
3541 | +static int | |
3542 | +Process_Instruction (ARMul_State * state, ARMword instr) | |
3543 | +{ | |
3544 | + int status = ARMul_BUSY; | |
3545 | + | |
3546 | + switch ((BITS (20, 23) << 8) | BITS (4, 11)) | |
3547 | + { | |
3548 | + case 0x000: status = WOR (instr); break; | |
3549 | + case 0x011: status = TMCR (state, instr); break; | |
3550 | + case 0x100: status = WXOR (instr); break; | |
3551 | + case 0x111: status = TMRC (state, instr); break; | |
3552 | + case 0x300: status = WANDN (instr); break; | |
3553 | + case 0x200: status = WAND (instr); break; | |
3554 | + | |
3555 | + case 0x810: case 0xa10: | |
3556 | + status = WMADD (instr); break; | |
3557 | + | |
3558 | + case 0x10e: case 0x50e: case 0x90e: case 0xd0e: | |
3559 | + status = WUNPCKIL (state, instr); break; | |
3560 | + case 0x10c: case 0x50c: case 0x90c: case 0xd0c: | |
3561 | + status = WUNPCKIH (state, instr); break; | |
3562 | + case 0x012: case 0x112: case 0x412: case 0x512: | |
3563 | + status = WSAD (instr); break; | |
3564 | + case 0x010: case 0x110: case 0x210: case 0x310: | |
3565 | + status = WMUL (instr); break; | |
3566 | + case 0x410: case 0x510: case 0x610: case 0x710: | |
3567 | + status = WMAC (instr); break; | |
3568 | + case 0x006: case 0x406: case 0x806: case 0xc06: | |
3569 | + status = WCMPEQ (state, instr); break; | |
3570 | + case 0x800: case 0x900: case 0xc00: case 0xd00: | |
3571 | + status = WAVG2 (instr); break; | |
3572 | + case 0x802: case 0x902: case 0xa02: case 0xb02: | |
3573 | + status = WALIGNR (state, instr); break; | |
3574 | + case 0x601: case 0x605: case 0x609: case 0x60d: | |
3575 | + status = TINSR (state, instr); break; | |
3576 | + case 0x107: case 0x507: case 0x907: case 0xd07: | |
3577 | + status = TEXTRM (state, instr); break; | |
3578 | + case 0x117: case 0x517: case 0x917: case 0xd17: | |
3579 | + status = TEXTRC (state, instr); break; | |
3580 | + case 0x401: case 0x405: case 0x409: case 0x40d: | |
3581 | + status = TBCST (state, instr); break; | |
3582 | + case 0x113: case 0x513: case 0x913: case 0xd13: | |
3583 | + status = TANDC (state, instr); break; | |
3584 | + case 0x01c: case 0x41c: case 0x81c: case 0xc1c: | |
3585 | + status = WACC (state, instr); break; | |
3586 | + case 0x115: case 0x515: case 0x915: case 0xd15: | |
3587 | + status = TORC (state, instr); break; | |
3588 | + case 0x103: case 0x503: case 0x903: case 0xd03: | |
3589 | + status = TMOVMSK (state, instr); break; | |
3590 | + case 0x106: case 0x306: case 0x506: case 0x706: | |
3591 | + case 0x906: case 0xb06: case 0xd06: case 0xf06: | |
3592 | + status = WCMPGT (state, instr); break; | |
3593 | + case 0x00e: case 0x20e: case 0x40e: case 0x60e: | |
3594 | + case 0x80e: case 0xa0e: case 0xc0e: case 0xe0e: | |
3595 | + status = WUNPCKEL (state, instr); break; | |
3596 | + case 0x00c: case 0x20c: case 0x40c: case 0x60c: | |
3597 | + case 0x80c: case 0xa0c: case 0xc0c: case 0xe0c: | |
3598 | + status = WUNPCKEH (state, instr); break; | |
3599 | + case 0x204: case 0x604: case 0xa04: case 0xe04: | |
3600 | + case 0x214: case 0x614: case 0xa14: case 0xe14: | |
3601 | + status = WSRL (state, instr); break; | |
3602 | + case 0x004: case 0x404: case 0x804: case 0xc04: | |
3603 | + case 0x014: case 0x414: case 0x814: case 0xc14: | |
3604 | + status = WSRA (state, instr); break; | |
3605 | + case 0x104: case 0x504: case 0x904: case 0xd04: | |
3606 | + case 0x114: case 0x514: case 0x914: case 0xd14: | |
3607 | + status = WSLL (state, instr); break; | |
3608 | + case 0x304: case 0x704: case 0xb04: case 0xf04: | |
3609 | + case 0x314: case 0x714: case 0xb14: case 0xf14: | |
3610 | + status = WROR (state, instr); break; | |
3611 | + case 0x116: case 0x316: case 0x516: case 0x716: | |
3612 | + case 0x916: case 0xb16: case 0xd16: case 0xf16: | |
3613 | + status = WMIN (state, instr); break; | |
3614 | + case 0x016: case 0x216: case 0x416: case 0x616: | |
3615 | + case 0x816: case 0xa16: case 0xc16: case 0xe16: | |
3616 | + status = WMAX (state, instr); break; | |
3617 | + case 0x002: case 0x102: case 0x202: case 0x302: | |
3618 | + case 0x402: case 0x502: case 0x602: case 0x702: | |
3619 | + status = WALIGNI (instr); break; | |
3620 | + case 0x01a: case 0x11a: case 0x21a: case 0x31a: | |
3621 | + case 0x41a: case 0x51a: case 0x61a: case 0x71a: | |
3622 | + case 0x81a: case 0x91a: case 0xa1a: case 0xb1a: | |
3623 | + case 0xc1a: case 0xd1a: case 0xe1a: case 0xf1a: | |
3624 | + status = WSUB (state, instr); break; | |
3625 | + case 0x01e: case 0x11e: case 0x21e: case 0x31e: | |
3626 | + case 0x41e: case 0x51e: case 0x61e: case 0x71e: | |
3627 | + case 0x81e: case 0x91e: case 0xa1e: case 0xb1e: | |
3628 | + case 0xc1e: case 0xd1e: case 0xe1e: case 0xf1e: | |
3629 | + status = WSHUFH (instr); break; | |
3630 | + case 0x018: case 0x118: case 0x218: case 0x318: | |
3631 | + case 0x418: case 0x518: case 0x618: case 0x718: | |
3632 | + case 0x818: case 0x918: case 0xa18: case 0xb18: | |
3633 | + case 0xc18: case 0xd18: case 0xe18: case 0xf18: | |
3634 | + status = WADD (state, instr); break; | |
3635 | + case 0x008: case 0x108: case 0x208: case 0x308: | |
3636 | + case 0x408: case 0x508: case 0x608: case 0x708: | |
3637 | + case 0x808: case 0x908: case 0xa08: case 0xb08: | |
3638 | + case 0xc08: case 0xd08: case 0xe08: case 0xf08: | |
3639 | + status = WPACK (state, instr); break; | |
3640 | + case 0x201: case 0x203: case 0x205: case 0x207: | |
3641 | + case 0x209: case 0x20b: case 0x20d: case 0x20f: | |
3642 | + case 0x211: case 0x213: case 0x215: case 0x217: | |
3643 | + case 0x219: case 0x21b: case 0x21d: case 0x21f: | |
3644 | + switch (BITS (16, 19)) | |
3645 | + { | |
3646 | + case 0x0: status = TMIA (state, instr); break; | |
3647 | + case 0x8: status = TMIAPH (state, instr); break; | |
3648 | + case 0xc: | |
3649 | + case 0xd: | |
3650 | + case 0xe: | |
3651 | + case 0xf: status = TMIAxy (state, instr); break; | |
3652 | + default: break; | |
3653 | + } | |
3654 | + break; | |
3655 | + default: | |
3656 | + break; | |
3657 | + } | |
3658 | + return status; | |
3659 | +} | |
3660 | + | |
3661 | +/* Process a possibly Intel(r) Wireless MMX(tm) technology instruction. | |
3662 | + Return true if the instruction was handled. */ | |
3663 | + | |
3664 | +int | |
3665 | +ARMul_HandleIwmmxt (ARMul_State * state, ARMword instr) | |
3666 | +{ | |
3667 | + int status = ARMul_BUSY; | |
3668 | + | |
3669 | + if (BITS (24, 27) == 0xe) | |
3670 | + { | |
3671 | + status = Process_Instruction (state, instr); | |
3672 | + } | |
3673 | + else if (BITS (25, 27) == 0x6) | |
3674 | + { | |
3675 | + if (BITS (4, 11) == 0x0 && BITS (20, 24) == 0x4) | |
3676 | + status = TMCRR (state, instr); | |
3677 | + else if (BITS (9, 11) == 0x0) | |
3678 | + { | |
3679 | + if (BIT (20) == 0x0) | |
3680 | + status = WSTR (state, instr); | |
3681 | + else if (BITS (20, 24) == 0x5) | |
3682 | + status = TMRRC (state, instr); | |
3683 | + else | |
3684 | + status = WLDR (state, instr); | |
3685 | + } | |
3686 | + } | |
3687 | + | |
3688 | + if (status == ARMul_CANT) | |
3689 | + { | |
3690 | + /* If the instruction was a recognised but illegal, | |
3691 | + perform the abort here rather than returning false. | |
3692 | + If we return false then ARMul_MRC may be called which | |
3693 | + will still abort, but which also perform the register | |
3694 | + transfer... */ | |
3695 | + ARMul_Abort (state, ARMul_UndefinedInstrV); | |
3696 | + status = ARMul_DONE; | |
3697 | + } | |
3698 | + | |
3699 | + return status == ARMul_DONE; | |
3700 | +} | |
3701 | + | |
3702 | +int | |
3703 | +Fetch_Iwmmxt_Register (unsigned int regnum, unsigned char * memory) | |
3704 | +{ | |
3705 | + if (regnum >= 16) | |
3706 | + { | |
3707 | + memcpy (memory, wC + (regnum - 16), sizeof wC [0]); | |
3708 | + return sizeof wC [0]; | |
3709 | + } | |
3710 | + else | |
3711 | + { | |
3712 | + memcpy (memory, wR + regnum, sizeof wR [0]); | |
3713 | + return sizeof wR [0]; | |
3714 | + } | |
3715 | +} | |
3716 | + | |
3717 | +int | |
3718 | +Store_Iwmmxt_Register (unsigned int regnum, unsigned char * memory) | |
3719 | +{ | |
3720 | + if (regnum >= 16) | |
3721 | + { | |
3722 | + memcpy (wC + (regnum - 16), memory, sizeof wC [0]); | |
3723 | + return sizeof wC [0]; | |
3724 | + } | |
3725 | + else | |
3726 | + { | |
3727 | + memcpy (wR + regnum, memory, sizeof wR [0]); | |
3728 | + return sizeof wR [0]; | |
3729 | + } | |
3730 | +} |
@@ -0,0 +1,28 @@ | ||
1 | +/* iwmmxt.h -- Intel(r) Wireless MMX(tm) technology co-processor interface. | |
2 | + Copyright (C) 2002 Free Software Foundation, Inc. | |
3 | + Contributed by matthew green (mrg@redhat.com). | |
4 | + | |
5 | + This program is free software; you can redistribute it and/or modify | |
6 | + it under the terms of the GNU General Public License as published by | |
7 | + the Free Software Foundation; either version 2 of the License, or | |
8 | + (at your option) any later version. | |
9 | + | |
10 | + This program is distributed in the hope that it will be useful, | |
11 | + but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | + GNU General Public License for more details. | |
14 | + | |
15 | + You should have received a copy of the GNU General Public License | |
16 | + along with this program; if not, write to the Free Software | |
17 | + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
18 | + | |
19 | +extern unsigned IwmmxtLDC (ARMul_State *, unsigned, ARMword, ARMword); | |
20 | +extern unsigned IwmmxtSTC (ARMul_State *, unsigned, ARMword, ARMword *); | |
21 | +extern unsigned IwmmxtMCR (ARMul_State *, unsigned, ARMword, ARMword); | |
22 | +extern unsigned IwmmxtMRC (ARMul_State *, unsigned, ARMword, ARMword *); | |
23 | +extern unsigned IwmmxtCDP (ARMul_State *, unsigned, ARMword); | |
24 | + | |
25 | +extern int ARMul_HandleIwmmxt (ARMul_State *, ARMword); | |
26 | + | |
27 | +extern int Fetch_Iwmmxt_Register (unsigned int, unsigned char *); | |
28 | +extern int Store_Iwmmxt_Register (unsigned int, unsigned char *); |