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1 | 2c0262af | bellard | /*
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2 | 2c0262af | bellard | * ARM translation
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3 | 2c0262af | bellard | *
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4 | 2c0262af | bellard | * Copyright (c) 2003 Fabrice Bellard
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5 | b7bcbe95 | bellard | * Copyright (c) 2005 CodeSourcery, LLC
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6 | 2c0262af | bellard | *
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7 | 2c0262af | bellard | * This library is free software; you can redistribute it and/or
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8 | 2c0262af | bellard | * modify it under the terms of the GNU Lesser General Public
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9 | 2c0262af | bellard | * License as published by the Free Software Foundation; either
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10 | 2c0262af | bellard | * version 2 of the License, or (at your option) any later version.
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11 | 2c0262af | bellard | *
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12 | 2c0262af | bellard | * This library is distributed in the hope that it will be useful,
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13 | 2c0262af | bellard | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | 2c0262af | bellard | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 | 2c0262af | bellard | * Lesser General Public License for more details.
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16 | 2c0262af | bellard | *
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17 | 2c0262af | bellard | * You should have received a copy of the GNU Lesser General Public
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18 | 2c0262af | bellard | * License along with this library; if not, write to the Free Software
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19 | 2c0262af | bellard | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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20 | 2c0262af | bellard | */
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21 | 2c0262af | bellard | #include <stdarg.h> |
22 | 2c0262af | bellard | #include <stdlib.h> |
23 | 2c0262af | bellard | #include <stdio.h> |
24 | 2c0262af | bellard | #include <string.h> |
25 | 2c0262af | bellard | #include <inttypes.h> |
26 | 2c0262af | bellard | |
27 | 2c0262af | bellard | #include "cpu.h" |
28 | 2c0262af | bellard | #include "exec-all.h" |
29 | 2c0262af | bellard | #include "disas.h" |
30 | 2c0262af | bellard | |
31 | 2c0262af | bellard | /* internal defines */
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32 | 2c0262af | bellard | typedef struct DisasContext { |
33 | 0fa85d43 | bellard | target_ulong pc; |
34 | 2c0262af | bellard | int is_jmp;
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35 | 2c0262af | bellard | struct TranslationBlock *tb;
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36 | 2c0262af | bellard | } DisasContext; |
37 | 2c0262af | bellard | |
38 | 2c0262af | bellard | #define DISAS_JUMP_NEXT 4 |
39 | 2c0262af | bellard | |
40 | 2c0262af | bellard | /* XXX: move that elsewhere */
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41 | 2c0262af | bellard | static uint16_t *gen_opc_ptr;
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42 | 2c0262af | bellard | static uint32_t *gen_opparam_ptr;
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43 | 2c0262af | bellard | extern FILE *logfile;
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44 | 2c0262af | bellard | extern int loglevel; |
45 | 2c0262af | bellard | |
46 | 2c0262af | bellard | enum {
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47 | 2c0262af | bellard | #define DEF(s, n, copy_size) INDEX_op_ ## s, |
48 | 2c0262af | bellard | #include "opc.h" |
49 | 2c0262af | bellard | #undef DEF
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50 | 2c0262af | bellard | NB_OPS, |
51 | 2c0262af | bellard | }; |
52 | 2c0262af | bellard | |
53 | 2c0262af | bellard | #include "gen-op.h" |
54 | 2c0262af | bellard | |
55 | 2c0262af | bellard | static GenOpFunc2 *gen_test_cc[14] = { |
56 | 2c0262af | bellard | gen_op_test_eq, |
57 | 2c0262af | bellard | gen_op_test_ne, |
58 | 2c0262af | bellard | gen_op_test_cs, |
59 | 2c0262af | bellard | gen_op_test_cc, |
60 | 2c0262af | bellard | gen_op_test_mi, |
61 | 2c0262af | bellard | gen_op_test_pl, |
62 | 2c0262af | bellard | gen_op_test_vs, |
63 | 2c0262af | bellard | gen_op_test_vc, |
64 | 2c0262af | bellard | gen_op_test_hi, |
65 | 2c0262af | bellard | gen_op_test_ls, |
66 | 2c0262af | bellard | gen_op_test_ge, |
67 | 2c0262af | bellard | gen_op_test_lt, |
68 | 2c0262af | bellard | gen_op_test_gt, |
69 | 2c0262af | bellard | gen_op_test_le, |
70 | 2c0262af | bellard | }; |
71 | 2c0262af | bellard | |
72 | 2c0262af | bellard | const uint8_t table_logic_cc[16] = { |
73 | 2c0262af | bellard | 1, /* and */ |
74 | 2c0262af | bellard | 1, /* xor */ |
75 | 2c0262af | bellard | 0, /* sub */ |
76 | 2c0262af | bellard | 0, /* rsb */ |
77 | 2c0262af | bellard | 0, /* add */ |
78 | 2c0262af | bellard | 0, /* adc */ |
79 | 2c0262af | bellard | 0, /* sbc */ |
80 | 2c0262af | bellard | 0, /* rsc */ |
81 | 2c0262af | bellard | 1, /* andl */ |
82 | 2c0262af | bellard | 1, /* xorl */ |
83 | 2c0262af | bellard | 0, /* cmp */ |
84 | 2c0262af | bellard | 0, /* cmn */ |
85 | 2c0262af | bellard | 1, /* orr */ |
86 | 2c0262af | bellard | 1, /* mov */ |
87 | 2c0262af | bellard | 1, /* bic */ |
88 | 2c0262af | bellard | 1, /* mvn */ |
89 | 2c0262af | bellard | }; |
90 | 2c0262af | bellard | |
91 | 2c0262af | bellard | static GenOpFunc1 *gen_shift_T1_im[4] = { |
92 | 2c0262af | bellard | gen_op_shll_T1_im, |
93 | 2c0262af | bellard | gen_op_shrl_T1_im, |
94 | 2c0262af | bellard | gen_op_sarl_T1_im, |
95 | 2c0262af | bellard | gen_op_rorl_T1_im, |
96 | 2c0262af | bellard | }; |
97 | 2c0262af | bellard | |
98 | 1e8d4eec | bellard | static GenOpFunc *gen_shift_T1_0[4] = { |
99 | 1e8d4eec | bellard | NULL,
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100 | 1e8d4eec | bellard | gen_op_shrl_T1_0, |
101 | 1e8d4eec | bellard | gen_op_sarl_T1_0, |
102 | 1e8d4eec | bellard | gen_op_rrxl_T1, |
103 | 1e8d4eec | bellard | }; |
104 | 1e8d4eec | bellard | |
105 | 2c0262af | bellard | static GenOpFunc1 *gen_shift_T2_im[4] = { |
106 | 2c0262af | bellard | gen_op_shll_T2_im, |
107 | 2c0262af | bellard | gen_op_shrl_T2_im, |
108 | 2c0262af | bellard | gen_op_sarl_T2_im, |
109 | 2c0262af | bellard | gen_op_rorl_T2_im, |
110 | 2c0262af | bellard | }; |
111 | 2c0262af | bellard | |
112 | 1e8d4eec | bellard | static GenOpFunc *gen_shift_T2_0[4] = { |
113 | 1e8d4eec | bellard | NULL,
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114 | 1e8d4eec | bellard | gen_op_shrl_T2_0, |
115 | 1e8d4eec | bellard | gen_op_sarl_T2_0, |
116 | 1e8d4eec | bellard | gen_op_rrxl_T2, |
117 | 1e8d4eec | bellard | }; |
118 | 1e8d4eec | bellard | |
119 | 2c0262af | bellard | static GenOpFunc1 *gen_shift_T1_im_cc[4] = { |
120 | 2c0262af | bellard | gen_op_shll_T1_im_cc, |
121 | 2c0262af | bellard | gen_op_shrl_T1_im_cc, |
122 | 2c0262af | bellard | gen_op_sarl_T1_im_cc, |
123 | 2c0262af | bellard | gen_op_rorl_T1_im_cc, |
124 | 2c0262af | bellard | }; |
125 | 2c0262af | bellard | |
126 | 1e8d4eec | bellard | static GenOpFunc *gen_shift_T1_0_cc[4] = { |
127 | 1e8d4eec | bellard | NULL,
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128 | 1e8d4eec | bellard | gen_op_shrl_T1_0_cc, |
129 | 1e8d4eec | bellard | gen_op_sarl_T1_0_cc, |
130 | 1e8d4eec | bellard | gen_op_rrxl_T1_cc, |
131 | 1e8d4eec | bellard | }; |
132 | 1e8d4eec | bellard | |
133 | 2c0262af | bellard | static GenOpFunc *gen_shift_T1_T0[4] = { |
134 | 2c0262af | bellard | gen_op_shll_T1_T0, |
135 | 2c0262af | bellard | gen_op_shrl_T1_T0, |
136 | 2c0262af | bellard | gen_op_sarl_T1_T0, |
137 | 2c0262af | bellard | gen_op_rorl_T1_T0, |
138 | 2c0262af | bellard | }; |
139 | 2c0262af | bellard | |
140 | 2c0262af | bellard | static GenOpFunc *gen_shift_T1_T0_cc[4] = { |
141 | 2c0262af | bellard | gen_op_shll_T1_T0_cc, |
142 | 2c0262af | bellard | gen_op_shrl_T1_T0_cc, |
143 | 2c0262af | bellard | gen_op_sarl_T1_T0_cc, |
144 | 2c0262af | bellard | gen_op_rorl_T1_T0_cc, |
145 | 2c0262af | bellard | }; |
146 | 2c0262af | bellard | |
147 | 2c0262af | bellard | static GenOpFunc *gen_op_movl_TN_reg[3][16] = { |
148 | 2c0262af | bellard | { |
149 | 2c0262af | bellard | gen_op_movl_T0_r0, |
150 | 2c0262af | bellard | gen_op_movl_T0_r1, |
151 | 2c0262af | bellard | gen_op_movl_T0_r2, |
152 | 2c0262af | bellard | gen_op_movl_T0_r3, |
153 | 2c0262af | bellard | gen_op_movl_T0_r4, |
154 | 2c0262af | bellard | gen_op_movl_T0_r5, |
155 | 2c0262af | bellard | gen_op_movl_T0_r6, |
156 | 2c0262af | bellard | gen_op_movl_T0_r7, |
157 | 2c0262af | bellard | gen_op_movl_T0_r8, |
158 | 2c0262af | bellard | gen_op_movl_T0_r9, |
159 | 2c0262af | bellard | gen_op_movl_T0_r10, |
160 | 2c0262af | bellard | gen_op_movl_T0_r11, |
161 | 2c0262af | bellard | gen_op_movl_T0_r12, |
162 | 2c0262af | bellard | gen_op_movl_T0_r13, |
163 | 2c0262af | bellard | gen_op_movl_T0_r14, |
164 | 2c0262af | bellard | gen_op_movl_T0_r15, |
165 | 2c0262af | bellard | }, |
166 | 2c0262af | bellard | { |
167 | 2c0262af | bellard | gen_op_movl_T1_r0, |
168 | 2c0262af | bellard | gen_op_movl_T1_r1, |
169 | 2c0262af | bellard | gen_op_movl_T1_r2, |
170 | 2c0262af | bellard | gen_op_movl_T1_r3, |
171 | 2c0262af | bellard | gen_op_movl_T1_r4, |
172 | 2c0262af | bellard | gen_op_movl_T1_r5, |
173 | 2c0262af | bellard | gen_op_movl_T1_r6, |
174 | 2c0262af | bellard | gen_op_movl_T1_r7, |
175 | 2c0262af | bellard | gen_op_movl_T1_r8, |
176 | 2c0262af | bellard | gen_op_movl_T1_r9, |
177 | 2c0262af | bellard | gen_op_movl_T1_r10, |
178 | 2c0262af | bellard | gen_op_movl_T1_r11, |
179 | 2c0262af | bellard | gen_op_movl_T1_r12, |
180 | 2c0262af | bellard | gen_op_movl_T1_r13, |
181 | 2c0262af | bellard | gen_op_movl_T1_r14, |
182 | 2c0262af | bellard | gen_op_movl_T1_r15, |
183 | 2c0262af | bellard | }, |
184 | 2c0262af | bellard | { |
185 | 2c0262af | bellard | gen_op_movl_T2_r0, |
186 | 2c0262af | bellard | gen_op_movl_T2_r1, |
187 | 2c0262af | bellard | gen_op_movl_T2_r2, |
188 | 2c0262af | bellard | gen_op_movl_T2_r3, |
189 | 2c0262af | bellard | gen_op_movl_T2_r4, |
190 | 2c0262af | bellard | gen_op_movl_T2_r5, |
191 | 2c0262af | bellard | gen_op_movl_T2_r6, |
192 | 2c0262af | bellard | gen_op_movl_T2_r7, |
193 | 2c0262af | bellard | gen_op_movl_T2_r8, |
194 | 2c0262af | bellard | gen_op_movl_T2_r9, |
195 | 2c0262af | bellard | gen_op_movl_T2_r10, |
196 | 2c0262af | bellard | gen_op_movl_T2_r11, |
197 | 2c0262af | bellard | gen_op_movl_T2_r12, |
198 | 2c0262af | bellard | gen_op_movl_T2_r13, |
199 | 2c0262af | bellard | gen_op_movl_T2_r14, |
200 | 2c0262af | bellard | gen_op_movl_T2_r15, |
201 | 2c0262af | bellard | }, |
202 | 2c0262af | bellard | }; |
203 | 2c0262af | bellard | |
204 | 2c0262af | bellard | static GenOpFunc *gen_op_movl_reg_TN[2][16] = { |
205 | 2c0262af | bellard | { |
206 | 2c0262af | bellard | gen_op_movl_r0_T0, |
207 | 2c0262af | bellard | gen_op_movl_r1_T0, |
208 | 2c0262af | bellard | gen_op_movl_r2_T0, |
209 | 2c0262af | bellard | gen_op_movl_r3_T0, |
210 | 2c0262af | bellard | gen_op_movl_r4_T0, |
211 | 2c0262af | bellard | gen_op_movl_r5_T0, |
212 | 2c0262af | bellard | gen_op_movl_r6_T0, |
213 | 2c0262af | bellard | gen_op_movl_r7_T0, |
214 | 2c0262af | bellard | gen_op_movl_r8_T0, |
215 | 2c0262af | bellard | gen_op_movl_r9_T0, |
216 | 2c0262af | bellard | gen_op_movl_r10_T0, |
217 | 2c0262af | bellard | gen_op_movl_r11_T0, |
218 | 2c0262af | bellard | gen_op_movl_r12_T0, |
219 | 2c0262af | bellard | gen_op_movl_r13_T0, |
220 | 2c0262af | bellard | gen_op_movl_r14_T0, |
221 | 2c0262af | bellard | gen_op_movl_r15_T0, |
222 | 2c0262af | bellard | }, |
223 | 2c0262af | bellard | { |
224 | 2c0262af | bellard | gen_op_movl_r0_T1, |
225 | 2c0262af | bellard | gen_op_movl_r1_T1, |
226 | 2c0262af | bellard | gen_op_movl_r2_T1, |
227 | 2c0262af | bellard | gen_op_movl_r3_T1, |
228 | 2c0262af | bellard | gen_op_movl_r4_T1, |
229 | 2c0262af | bellard | gen_op_movl_r5_T1, |
230 | 2c0262af | bellard | gen_op_movl_r6_T1, |
231 | 2c0262af | bellard | gen_op_movl_r7_T1, |
232 | 2c0262af | bellard | gen_op_movl_r8_T1, |
233 | 2c0262af | bellard | gen_op_movl_r9_T1, |
234 | 2c0262af | bellard | gen_op_movl_r10_T1, |
235 | 2c0262af | bellard | gen_op_movl_r11_T1, |
236 | 2c0262af | bellard | gen_op_movl_r12_T1, |
237 | 2c0262af | bellard | gen_op_movl_r13_T1, |
238 | 2c0262af | bellard | gen_op_movl_r14_T1, |
239 | 2c0262af | bellard | gen_op_movl_r15_T1, |
240 | 2c0262af | bellard | }, |
241 | 2c0262af | bellard | }; |
242 | 2c0262af | bellard | |
243 | 2c0262af | bellard | static GenOpFunc1 *gen_op_movl_TN_im[3] = { |
244 | 2c0262af | bellard | gen_op_movl_T0_im, |
245 | 2c0262af | bellard | gen_op_movl_T1_im, |
246 | 2c0262af | bellard | gen_op_movl_T2_im, |
247 | 2c0262af | bellard | }; |
248 | 2c0262af | bellard | |
249 | 99c475ab | bellard | static GenOpFunc1 *gen_shift_T0_im_thumb[3] = { |
250 | 99c475ab | bellard | gen_op_shll_T0_im_thumb, |
251 | 99c475ab | bellard | gen_op_shrl_T0_im_thumb, |
252 | 99c475ab | bellard | gen_op_sarl_T0_im_thumb, |
253 | 99c475ab | bellard | }; |
254 | 99c475ab | bellard | |
255 | 99c475ab | bellard | static inline void gen_bx(DisasContext *s) |
256 | 99c475ab | bellard | { |
257 | 99c475ab | bellard | s->is_jmp = DISAS_UPDATE; |
258 | 99c475ab | bellard | gen_op_bx_T0(); |
259 | 99c475ab | bellard | } |
260 | 99c475ab | bellard | |
261 | 2c0262af | bellard | static inline void gen_movl_TN_reg(DisasContext *s, int reg, int t) |
262 | 2c0262af | bellard | { |
263 | 2c0262af | bellard | int val;
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264 | 2c0262af | bellard | |
265 | 2c0262af | bellard | if (reg == 15) { |
266 | 2c0262af | bellard | /* normaly, since we updated PC, we need only to add 4 */
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267 | 2c0262af | bellard | val = (long)s->pc + 4; |
268 | 2c0262af | bellard | gen_op_movl_TN_im[t](val); |
269 | 2c0262af | bellard | } else {
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270 | 2c0262af | bellard | gen_op_movl_TN_reg[t][reg](); |
271 | 2c0262af | bellard | } |
272 | 2c0262af | bellard | } |
273 | 2c0262af | bellard | |
274 | 2c0262af | bellard | static inline void gen_movl_T0_reg(DisasContext *s, int reg) |
275 | 2c0262af | bellard | { |
276 | 2c0262af | bellard | gen_movl_TN_reg(s, reg, 0);
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277 | 2c0262af | bellard | } |
278 | 2c0262af | bellard | |
279 | 2c0262af | bellard | static inline void gen_movl_T1_reg(DisasContext *s, int reg) |
280 | 2c0262af | bellard | { |
281 | 2c0262af | bellard | gen_movl_TN_reg(s, reg, 1);
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282 | 2c0262af | bellard | } |
283 | 2c0262af | bellard | |
284 | 2c0262af | bellard | static inline void gen_movl_T2_reg(DisasContext *s, int reg) |
285 | 2c0262af | bellard | { |
286 | 2c0262af | bellard | gen_movl_TN_reg(s, reg, 2);
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287 | 2c0262af | bellard | } |
288 | 2c0262af | bellard | |
289 | 2c0262af | bellard | static inline void gen_movl_reg_TN(DisasContext *s, int reg, int t) |
290 | 2c0262af | bellard | { |
291 | 2c0262af | bellard | gen_op_movl_reg_TN[t][reg](); |
292 | 2c0262af | bellard | if (reg == 15) { |
293 | 2c0262af | bellard | s->is_jmp = DISAS_JUMP; |
294 | 2c0262af | bellard | } |
295 | 2c0262af | bellard | } |
296 | 2c0262af | bellard | |
297 | 2c0262af | bellard | static inline void gen_movl_reg_T0(DisasContext *s, int reg) |
298 | 2c0262af | bellard | { |
299 | 2c0262af | bellard | gen_movl_reg_TN(s, reg, 0);
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300 | 2c0262af | bellard | } |
301 | 2c0262af | bellard | |
302 | 2c0262af | bellard | static inline void gen_movl_reg_T1(DisasContext *s, int reg) |
303 | 2c0262af | bellard | { |
304 | 2c0262af | bellard | gen_movl_reg_TN(s, reg, 1);
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305 | 2c0262af | bellard | } |
306 | 2c0262af | bellard | |
307 | 2c0262af | bellard | static inline void gen_add_data_offset(DisasContext *s, unsigned int insn) |
308 | 2c0262af | bellard | { |
309 | 1e8d4eec | bellard | int val, rm, shift, shiftop;
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310 | 2c0262af | bellard | |
311 | 2c0262af | bellard | if (!(insn & (1 << 25))) { |
312 | 2c0262af | bellard | /* immediate */
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313 | 2c0262af | bellard | val = insn & 0xfff;
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314 | 2c0262af | bellard | if (!(insn & (1 << 23))) |
315 | 2c0262af | bellard | val = -val; |
316 | 537730b9 | bellard | if (val != 0) |
317 | 537730b9 | bellard | gen_op_addl_T1_im(val); |
318 | 2c0262af | bellard | } else {
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319 | 2c0262af | bellard | /* shift/register */
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320 | 2c0262af | bellard | rm = (insn) & 0xf;
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321 | 2c0262af | bellard | shift = (insn >> 7) & 0x1f; |
322 | 2c0262af | bellard | gen_movl_T2_reg(s, rm); |
323 | 1e8d4eec | bellard | shiftop = (insn >> 5) & 3; |
324 | 2c0262af | bellard | if (shift != 0) { |
325 | 1e8d4eec | bellard | gen_shift_T2_im[shiftop](shift); |
326 | 1e8d4eec | bellard | } else if (shiftop != 0) { |
327 | 1e8d4eec | bellard | gen_shift_T2_0[shiftop](); |
328 | 2c0262af | bellard | } |
329 | 2c0262af | bellard | if (!(insn & (1 << 23))) |
330 | 2c0262af | bellard | gen_op_subl_T1_T2(); |
331 | 2c0262af | bellard | else
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332 | 2c0262af | bellard | gen_op_addl_T1_T2(); |
333 | 2c0262af | bellard | } |
334 | 2c0262af | bellard | } |
335 | 2c0262af | bellard | |
336 | 2c0262af | bellard | static inline void gen_add_datah_offset(DisasContext *s, unsigned int insn) |
337 | 2c0262af | bellard | { |
338 | 2c0262af | bellard | int val, rm;
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339 | 2c0262af | bellard | |
340 | 2c0262af | bellard | if (insn & (1 << 22)) { |
341 | 2c0262af | bellard | /* immediate */
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342 | 2c0262af | bellard | val = (insn & 0xf) | ((insn >> 4) & 0xf0); |
343 | 2c0262af | bellard | if (!(insn & (1 << 23))) |
344 | 2c0262af | bellard | val = -val; |
345 | 537730b9 | bellard | if (val != 0) |
346 | 537730b9 | bellard | gen_op_addl_T1_im(val); |
347 | 2c0262af | bellard | } else {
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348 | 2c0262af | bellard | /* register */
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349 | 2c0262af | bellard | rm = (insn) & 0xf;
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350 | 2c0262af | bellard | gen_movl_T2_reg(s, rm); |
351 | 2c0262af | bellard | if (!(insn & (1 << 23))) |
352 | 2c0262af | bellard | gen_op_subl_T1_T2(); |
353 | 2c0262af | bellard | else
|
354 | 2c0262af | bellard | gen_op_addl_T1_T2(); |
355 | 2c0262af | bellard | } |
356 | 2c0262af | bellard | } |
357 | 2c0262af | bellard | |
358 | b7bcbe95 | bellard | #define VFP_OP(name) \
|
359 | b7bcbe95 | bellard | static inline void gen_vfp_##name(int dp) \ |
360 | b7bcbe95 | bellard | { \ |
361 | b7bcbe95 | bellard | if (dp) \
|
362 | b7bcbe95 | bellard | gen_op_vfp_##name##d(); \ |
363 | b7bcbe95 | bellard | else \
|
364 | b7bcbe95 | bellard | gen_op_vfp_##name##s(); \ |
365 | b7bcbe95 | bellard | } |
366 | b7bcbe95 | bellard | |
367 | b7bcbe95 | bellard | VFP_OP(add) |
368 | b7bcbe95 | bellard | VFP_OP(sub) |
369 | b7bcbe95 | bellard | VFP_OP(mul) |
370 | b7bcbe95 | bellard | VFP_OP(div) |
371 | b7bcbe95 | bellard | VFP_OP(neg) |
372 | b7bcbe95 | bellard | VFP_OP(abs) |
373 | b7bcbe95 | bellard | VFP_OP(sqrt) |
374 | b7bcbe95 | bellard | VFP_OP(cmp) |
375 | b7bcbe95 | bellard | VFP_OP(cmpe) |
376 | b7bcbe95 | bellard | VFP_OP(F1_ld0) |
377 | b7bcbe95 | bellard | VFP_OP(uito) |
378 | b7bcbe95 | bellard | VFP_OP(sito) |
379 | b7bcbe95 | bellard | VFP_OP(toui) |
380 | b7bcbe95 | bellard | VFP_OP(touiz) |
381 | b7bcbe95 | bellard | VFP_OP(tosi) |
382 | b7bcbe95 | bellard | VFP_OP(tosiz) |
383 | b7bcbe95 | bellard | VFP_OP(ld) |
384 | b7bcbe95 | bellard | VFP_OP(st) |
385 | b7bcbe95 | bellard | |
386 | b7bcbe95 | bellard | #undef VFP_OP
|
387 | b7bcbe95 | bellard | |
388 | b7bcbe95 | bellard | static inline void gen_mov_F0_vreg(int dp, int reg) |
389 | b7bcbe95 | bellard | { |
390 | b7bcbe95 | bellard | if (dp)
|
391 | b7bcbe95 | bellard | gen_op_vfp_getreg_F0d(offsetof(CPUARMState, vfp.regs.d[reg])); |
392 | b7bcbe95 | bellard | else
|
393 | b7bcbe95 | bellard | gen_op_vfp_getreg_F0s(offsetof(CPUARMState, vfp.regs.s[reg])); |
394 | b7bcbe95 | bellard | } |
395 | b7bcbe95 | bellard | |
396 | b7bcbe95 | bellard | static inline void gen_mov_F1_vreg(int dp, int reg) |
397 | b7bcbe95 | bellard | { |
398 | b7bcbe95 | bellard | if (dp)
|
399 | b7bcbe95 | bellard | gen_op_vfp_getreg_F1d(offsetof(CPUARMState, vfp.regs.d[reg])); |
400 | b7bcbe95 | bellard | else
|
401 | b7bcbe95 | bellard | gen_op_vfp_getreg_F1s(offsetof(CPUARMState, vfp.regs.s[reg])); |
402 | b7bcbe95 | bellard | } |
403 | b7bcbe95 | bellard | |
404 | b7bcbe95 | bellard | static inline void gen_mov_vreg_F0(int dp, int reg) |
405 | b7bcbe95 | bellard | { |
406 | b7bcbe95 | bellard | if (dp)
|
407 | b7bcbe95 | bellard | gen_op_vfp_setreg_F0d(offsetof(CPUARMState, vfp.regs.d[reg])); |
408 | b7bcbe95 | bellard | else
|
409 | b7bcbe95 | bellard | gen_op_vfp_setreg_F0s(offsetof(CPUARMState, vfp.regs.s[reg])); |
410 | b7bcbe95 | bellard | } |
411 | b7bcbe95 | bellard | |
412 | b7bcbe95 | bellard | /* Disassemble a VFP instruction. Returns nonzero if an error occured
|
413 | b7bcbe95 | bellard | (ie. an undefined instruction). */
|
414 | b7bcbe95 | bellard | static int disas_vfp_insn(CPUState * env, DisasContext *s, uint32_t insn) |
415 | b7bcbe95 | bellard | { |
416 | b7bcbe95 | bellard | uint32_t rd, rn, rm, op, i, n, offset, delta_d, delta_m, bank_mask; |
417 | b7bcbe95 | bellard | int dp, veclen;
|
418 | b7bcbe95 | bellard | |
419 | b7bcbe95 | bellard | dp = ((insn & 0xf00) == 0xb00); |
420 | b7bcbe95 | bellard | switch ((insn >> 24) & 0xf) { |
421 | b7bcbe95 | bellard | case 0xe: |
422 | b7bcbe95 | bellard | if (insn & (1 << 4)) { |
423 | b7bcbe95 | bellard | /* single register transfer */
|
424 | b7bcbe95 | bellard | if ((insn & 0x6f) != 0x00) |
425 | b7bcbe95 | bellard | return 1; |
426 | b7bcbe95 | bellard | rd = (insn >> 12) & 0xf; |
427 | b7bcbe95 | bellard | if (dp) {
|
428 | b7bcbe95 | bellard | if (insn & 0x80) |
429 | b7bcbe95 | bellard | return 1; |
430 | b7bcbe95 | bellard | rn = (insn >> 16) & 0xf; |
431 | b7bcbe95 | bellard | /* Get the existing value even for arm->vfp moves because
|
432 | b7bcbe95 | bellard | we only set half the register. */
|
433 | b7bcbe95 | bellard | gen_mov_F0_vreg(1, rn);
|
434 | b7bcbe95 | bellard | gen_op_vfp_mrrd(); |
435 | b7bcbe95 | bellard | if (insn & (1 << 20)) { |
436 | b7bcbe95 | bellard | /* vfp->arm */
|
437 | b7bcbe95 | bellard | if (insn & (1 << 21)) |
438 | b7bcbe95 | bellard | gen_movl_reg_T1(s, rd); |
439 | b7bcbe95 | bellard | else
|
440 | b7bcbe95 | bellard | gen_movl_reg_T0(s, rd); |
441 | b7bcbe95 | bellard | } else {
|
442 | b7bcbe95 | bellard | /* arm->vfp */
|
443 | b7bcbe95 | bellard | if (insn & (1 << 21)) |
444 | b7bcbe95 | bellard | gen_movl_T1_reg(s, rd); |
445 | b7bcbe95 | bellard | else
|
446 | b7bcbe95 | bellard | gen_movl_T0_reg(s, rd); |
447 | b7bcbe95 | bellard | gen_op_vfp_mdrr(); |
448 | b7bcbe95 | bellard | gen_mov_vreg_F0(dp, rn); |
449 | b7bcbe95 | bellard | } |
450 | b7bcbe95 | bellard | } else {
|
451 | b7bcbe95 | bellard | rn = ((insn >> 15) & 0x1e) | ((insn >> 7) & 1); |
452 | b7bcbe95 | bellard | if (insn & (1 << 20)) { |
453 | b7bcbe95 | bellard | /* vfp->arm */
|
454 | b7bcbe95 | bellard | if (insn & (1 << 21)) { |
455 | b7bcbe95 | bellard | /* system register */
|
456 | b7bcbe95 | bellard | switch (rn) {
|
457 | b7bcbe95 | bellard | case 0: /* fpsid */ |
458 | b7bcbe95 | bellard | n = 0x0091A0000;
|
459 | b7bcbe95 | bellard | break;
|
460 | b7bcbe95 | bellard | case 2: /* fpscr */ |
461 | b7bcbe95 | bellard | if (rd == 15) |
462 | b7bcbe95 | bellard | gen_op_vfp_movl_T0_fpscr_flags(); |
463 | b7bcbe95 | bellard | else
|
464 | b7bcbe95 | bellard | gen_op_vfp_movl_T0_fpscr(); |
465 | b7bcbe95 | bellard | break;
|
466 | b7bcbe95 | bellard | default:
|
467 | b7bcbe95 | bellard | return 1; |
468 | b7bcbe95 | bellard | } |
469 | b7bcbe95 | bellard | } else {
|
470 | b7bcbe95 | bellard | gen_mov_F0_vreg(0, rn);
|
471 | b7bcbe95 | bellard | gen_op_vfp_mrs(); |
472 | b7bcbe95 | bellard | } |
473 | b7bcbe95 | bellard | if (rd == 15) { |
474 | b7bcbe95 | bellard | /* This will only set the 4 flag bits */
|
475 | b7bcbe95 | bellard | gen_op_movl_psr_T0(); |
476 | b7bcbe95 | bellard | } else
|
477 | b7bcbe95 | bellard | gen_movl_reg_T0(s, rd); |
478 | b7bcbe95 | bellard | } else {
|
479 | b7bcbe95 | bellard | /* arm->vfp */
|
480 | b7bcbe95 | bellard | gen_movl_T0_reg(s, rd); |
481 | b7bcbe95 | bellard | if (insn & (1 << 21)) { |
482 | b7bcbe95 | bellard | /* system register */
|
483 | b7bcbe95 | bellard | switch (rn) {
|
484 | b7bcbe95 | bellard | case 0: /* fpsid */ |
485 | b7bcbe95 | bellard | /* Writes are ignored. */
|
486 | b7bcbe95 | bellard | break;
|
487 | b7bcbe95 | bellard | case 2: /* fpscr */ |
488 | b7bcbe95 | bellard | gen_op_vfp_movl_fpscr_T0(); |
489 | b7bcbe95 | bellard | /* This could change vector settings, so jump to
|
490 | b7bcbe95 | bellard | the next instuction. */
|
491 | b7bcbe95 | bellard | gen_op_movl_T0_im(s->pc); |
492 | b7bcbe95 | bellard | gen_movl_reg_T0(s, 15);
|
493 | b7bcbe95 | bellard | s->is_jmp = DISAS_UPDATE; |
494 | b7bcbe95 | bellard | break;
|
495 | b7bcbe95 | bellard | default:
|
496 | b7bcbe95 | bellard | return 1; |
497 | b7bcbe95 | bellard | } |
498 | b7bcbe95 | bellard | } else {
|
499 | b7bcbe95 | bellard | gen_op_vfp_msr(); |
500 | b7bcbe95 | bellard | gen_mov_vreg_F0(0, rn);
|
501 | b7bcbe95 | bellard | } |
502 | b7bcbe95 | bellard | } |
503 | b7bcbe95 | bellard | } |
504 | b7bcbe95 | bellard | } else {
|
505 | b7bcbe95 | bellard | /* data processing */
|
506 | b7bcbe95 | bellard | /* The opcode is in bits 23, 21, 20 and 6. */
|
507 | b7bcbe95 | bellard | op = ((insn >> 20) & 8) | ((insn >> 19) & 6) | ((insn >> 6) & 1); |
508 | b7bcbe95 | bellard | if (dp) {
|
509 | b7bcbe95 | bellard | if (op == 15) { |
510 | b7bcbe95 | bellard | /* rn is opcode */
|
511 | b7bcbe95 | bellard | rn = ((insn >> 15) & 0x1e) | ((insn >> 7) & 1); |
512 | b7bcbe95 | bellard | } else {
|
513 | b7bcbe95 | bellard | /* rn is register number */
|
514 | b7bcbe95 | bellard | if (insn & (1 << 7)) |
515 | b7bcbe95 | bellard | return 1; |
516 | b7bcbe95 | bellard | rn = (insn >> 16) & 0xf; |
517 | b7bcbe95 | bellard | } |
518 | b7bcbe95 | bellard | |
519 | b7bcbe95 | bellard | if (op == 15 && (rn == 15 || rn > 17)) { |
520 | b7bcbe95 | bellard | /* Integer or single precision destination. */
|
521 | b7bcbe95 | bellard | rd = ((insn >> 11) & 0x1e) | ((insn >> 22) & 1); |
522 | b7bcbe95 | bellard | } else {
|
523 | b7bcbe95 | bellard | if (insn & (1 << 22)) |
524 | b7bcbe95 | bellard | return 1; |
525 | b7bcbe95 | bellard | rd = (insn >> 12) & 0xf; |
526 | b7bcbe95 | bellard | } |
527 | b7bcbe95 | bellard | |
528 | b7bcbe95 | bellard | if (op == 15 && (rn == 16 || rn == 17)) { |
529 | b7bcbe95 | bellard | /* Integer source. */
|
530 | b7bcbe95 | bellard | rm = ((insn << 1) & 0x1e) | ((insn >> 5) & 1); |
531 | b7bcbe95 | bellard | } else {
|
532 | b7bcbe95 | bellard | if (insn & (1 << 5)) |
533 | b7bcbe95 | bellard | return 1; |
534 | b7bcbe95 | bellard | rm = insn & 0xf;
|
535 | b7bcbe95 | bellard | } |
536 | b7bcbe95 | bellard | } else {
|
537 | b7bcbe95 | bellard | rn = ((insn >> 15) & 0x1e) | ((insn >> 7) & 1); |
538 | b7bcbe95 | bellard | if (op == 15 && rn == 15) { |
539 | b7bcbe95 | bellard | /* Double precision destination. */
|
540 | b7bcbe95 | bellard | if (insn & (1 << 22)) |
541 | b7bcbe95 | bellard | return 1; |
542 | b7bcbe95 | bellard | rd = (insn >> 12) & 0xf; |
543 | b7bcbe95 | bellard | } else
|
544 | b7bcbe95 | bellard | rd = ((insn >> 11) & 0x1e) | ((insn >> 22) & 1); |
545 | b7bcbe95 | bellard | rm = ((insn << 1) & 0x1e) | ((insn >> 5) & 1); |
546 | b7bcbe95 | bellard | } |
547 | b7bcbe95 | bellard | |
548 | b7bcbe95 | bellard | veclen = env->vfp.vec_len; |
549 | b7bcbe95 | bellard | if (op == 15 && rn > 3) |
550 | b7bcbe95 | bellard | veclen = 0;
|
551 | b7bcbe95 | bellard | |
552 | b7bcbe95 | bellard | /* Shut up compiler warnings. */
|
553 | b7bcbe95 | bellard | delta_m = 0;
|
554 | b7bcbe95 | bellard | delta_d = 0;
|
555 | b7bcbe95 | bellard | bank_mask = 0;
|
556 | b7bcbe95 | bellard | |
557 | b7bcbe95 | bellard | if (veclen > 0) { |
558 | b7bcbe95 | bellard | if (dp)
|
559 | b7bcbe95 | bellard | bank_mask = 0xc;
|
560 | b7bcbe95 | bellard | else
|
561 | b7bcbe95 | bellard | bank_mask = 0x18;
|
562 | b7bcbe95 | bellard | |
563 | b7bcbe95 | bellard | /* Figure out what type of vector operation this is. */
|
564 | b7bcbe95 | bellard | if ((rd & bank_mask) == 0) { |
565 | b7bcbe95 | bellard | /* scalar */
|
566 | b7bcbe95 | bellard | veclen = 0;
|
567 | b7bcbe95 | bellard | } else {
|
568 | b7bcbe95 | bellard | if (dp)
|
569 | b7bcbe95 | bellard | delta_d = (env->vfp.vec_stride >> 1) + 1; |
570 | b7bcbe95 | bellard | else
|
571 | b7bcbe95 | bellard | delta_d = env->vfp.vec_stride + 1;
|
572 | b7bcbe95 | bellard | |
573 | b7bcbe95 | bellard | if ((rm & bank_mask) == 0) { |
574 | b7bcbe95 | bellard | /* mixed scalar/vector */
|
575 | b7bcbe95 | bellard | delta_m = 0;
|
576 | b7bcbe95 | bellard | } else {
|
577 | b7bcbe95 | bellard | /* vector */
|
578 | b7bcbe95 | bellard | delta_m = delta_d; |
579 | b7bcbe95 | bellard | } |
580 | b7bcbe95 | bellard | } |
581 | b7bcbe95 | bellard | } |
582 | b7bcbe95 | bellard | |
583 | b7bcbe95 | bellard | /* Load the initial operands. */
|
584 | b7bcbe95 | bellard | if (op == 15) { |
585 | b7bcbe95 | bellard | switch (rn) {
|
586 | b7bcbe95 | bellard | case 16: |
587 | b7bcbe95 | bellard | case 17: |
588 | b7bcbe95 | bellard | /* Integer source */
|
589 | b7bcbe95 | bellard | gen_mov_F0_vreg(0, rm);
|
590 | b7bcbe95 | bellard | break;
|
591 | b7bcbe95 | bellard | case 8: |
592 | b7bcbe95 | bellard | case 9: |
593 | b7bcbe95 | bellard | /* Compare */
|
594 | b7bcbe95 | bellard | gen_mov_F0_vreg(dp, rd); |
595 | b7bcbe95 | bellard | gen_mov_F1_vreg(dp, rm); |
596 | b7bcbe95 | bellard | break;
|
597 | b7bcbe95 | bellard | case 10: |
598 | b7bcbe95 | bellard | case 11: |
599 | b7bcbe95 | bellard | /* Compare with zero */
|
600 | b7bcbe95 | bellard | gen_mov_F0_vreg(dp, rd); |
601 | b7bcbe95 | bellard | gen_vfp_F1_ld0(dp); |
602 | b7bcbe95 | bellard | break;
|
603 | b7bcbe95 | bellard | default:
|
604 | b7bcbe95 | bellard | /* One source operand. */
|
605 | b7bcbe95 | bellard | gen_mov_F0_vreg(dp, rm); |
606 | b7bcbe95 | bellard | } |
607 | b7bcbe95 | bellard | } else {
|
608 | b7bcbe95 | bellard | /* Two source operands. */
|
609 | b7bcbe95 | bellard | gen_mov_F0_vreg(dp, rn); |
610 | b7bcbe95 | bellard | gen_mov_F1_vreg(dp, rm); |
611 | b7bcbe95 | bellard | } |
612 | b7bcbe95 | bellard | |
613 | b7bcbe95 | bellard | for (;;) {
|
614 | b7bcbe95 | bellard | /* Perform the calculation. */
|
615 | b7bcbe95 | bellard | switch (op) {
|
616 | b7bcbe95 | bellard | case 0: /* mac: fd + (fn * fm) */ |
617 | b7bcbe95 | bellard | gen_vfp_mul(dp); |
618 | b7bcbe95 | bellard | gen_mov_F1_vreg(dp, rd); |
619 | b7bcbe95 | bellard | gen_vfp_add(dp); |
620 | b7bcbe95 | bellard | break;
|
621 | b7bcbe95 | bellard | case 1: /* nmac: fd - (fn * fm) */ |
622 | b7bcbe95 | bellard | gen_vfp_mul(dp); |
623 | b7bcbe95 | bellard | gen_vfp_neg(dp); |
624 | b7bcbe95 | bellard | gen_mov_F1_vreg(dp, rd); |
625 | b7bcbe95 | bellard | gen_vfp_add(dp); |
626 | b7bcbe95 | bellard | break;
|
627 | b7bcbe95 | bellard | case 2: /* msc: -fd + (fn * fm) */ |
628 | b7bcbe95 | bellard | gen_vfp_mul(dp); |
629 | b7bcbe95 | bellard | gen_mov_F1_vreg(dp, rd); |
630 | b7bcbe95 | bellard | gen_vfp_sub(dp); |
631 | b7bcbe95 | bellard | break;
|
632 | b7bcbe95 | bellard | case 3: /* nmsc: -fd - (fn * fm) */ |
633 | b7bcbe95 | bellard | gen_vfp_mul(dp); |
634 | b7bcbe95 | bellard | gen_mov_F1_vreg(dp, rd); |
635 | b7bcbe95 | bellard | gen_vfp_add(dp); |
636 | b7bcbe95 | bellard | gen_vfp_neg(dp); |
637 | b7bcbe95 | bellard | break;
|
638 | b7bcbe95 | bellard | case 4: /* mul: fn * fm */ |
639 | b7bcbe95 | bellard | gen_vfp_mul(dp); |
640 | b7bcbe95 | bellard | break;
|
641 | b7bcbe95 | bellard | case 5: /* nmul: -(fn * fm) */ |
642 | b7bcbe95 | bellard | gen_vfp_mul(dp); |
643 | b7bcbe95 | bellard | gen_vfp_neg(dp); |
644 | b7bcbe95 | bellard | break;
|
645 | b7bcbe95 | bellard | case 6: /* add: fn + fm */ |
646 | b7bcbe95 | bellard | gen_vfp_add(dp); |
647 | b7bcbe95 | bellard | break;
|
648 | b7bcbe95 | bellard | case 7: /* sub: fn - fm */ |
649 | b7bcbe95 | bellard | gen_vfp_sub(dp); |
650 | b7bcbe95 | bellard | break;
|
651 | b7bcbe95 | bellard | case 8: /* div: fn / fm */ |
652 | b7bcbe95 | bellard | gen_vfp_div(dp); |
653 | b7bcbe95 | bellard | break;
|
654 | b7bcbe95 | bellard | case 15: /* extension space */ |
655 | b7bcbe95 | bellard | switch (rn) {
|
656 | b7bcbe95 | bellard | case 0: /* cpy */ |
657 | b7bcbe95 | bellard | /* no-op */
|
658 | b7bcbe95 | bellard | break;
|
659 | b7bcbe95 | bellard | case 1: /* abs */ |
660 | b7bcbe95 | bellard | gen_vfp_abs(dp); |
661 | b7bcbe95 | bellard | break;
|
662 | b7bcbe95 | bellard | case 2: /* neg */ |
663 | b7bcbe95 | bellard | gen_vfp_neg(dp); |
664 | b7bcbe95 | bellard | break;
|
665 | b7bcbe95 | bellard | case 3: /* sqrt */ |
666 | b7bcbe95 | bellard | gen_vfp_sqrt(dp); |
667 | b7bcbe95 | bellard | break;
|
668 | b7bcbe95 | bellard | case 8: /* cmp */ |
669 | b7bcbe95 | bellard | gen_vfp_cmp(dp); |
670 | b7bcbe95 | bellard | break;
|
671 | b7bcbe95 | bellard | case 9: /* cmpe */ |
672 | b7bcbe95 | bellard | gen_vfp_cmpe(dp); |
673 | b7bcbe95 | bellard | break;
|
674 | b7bcbe95 | bellard | case 10: /* cmpz */ |
675 | b7bcbe95 | bellard | gen_vfp_cmp(dp); |
676 | b7bcbe95 | bellard | break;
|
677 | b7bcbe95 | bellard | case 11: /* cmpez */ |
678 | b7bcbe95 | bellard | gen_vfp_F1_ld0(dp); |
679 | b7bcbe95 | bellard | gen_vfp_cmpe(dp); |
680 | b7bcbe95 | bellard | break;
|
681 | b7bcbe95 | bellard | case 15: /* single<->double conversion */ |
682 | b7bcbe95 | bellard | if (dp)
|
683 | b7bcbe95 | bellard | gen_op_vfp_fcvtsd(); |
684 | b7bcbe95 | bellard | else
|
685 | b7bcbe95 | bellard | gen_op_vfp_fcvtds(); |
686 | b7bcbe95 | bellard | break;
|
687 | b7bcbe95 | bellard | case 16: /* fuito */ |
688 | b7bcbe95 | bellard | gen_vfp_uito(dp); |
689 | b7bcbe95 | bellard | break;
|
690 | b7bcbe95 | bellard | case 17: /* fsito */ |
691 | b7bcbe95 | bellard | gen_vfp_sito(dp); |
692 | b7bcbe95 | bellard | break;
|
693 | b7bcbe95 | bellard | case 24: /* ftoui */ |
694 | b7bcbe95 | bellard | gen_vfp_toui(dp); |
695 | b7bcbe95 | bellard | break;
|
696 | b7bcbe95 | bellard | case 25: /* ftouiz */ |
697 | b7bcbe95 | bellard | gen_vfp_touiz(dp); |
698 | b7bcbe95 | bellard | break;
|
699 | b7bcbe95 | bellard | case 26: /* ftosi */ |
700 | b7bcbe95 | bellard | gen_vfp_tosi(dp); |
701 | b7bcbe95 | bellard | break;
|
702 | b7bcbe95 | bellard | case 27: /* ftosiz */ |
703 | b7bcbe95 | bellard | gen_vfp_tosiz(dp); |
704 | b7bcbe95 | bellard | break;
|
705 | b7bcbe95 | bellard | default: /* undefined */ |
706 | b7bcbe95 | bellard | printf ("rn:%d\n", rn);
|
707 | b7bcbe95 | bellard | return 1; |
708 | b7bcbe95 | bellard | } |
709 | b7bcbe95 | bellard | break;
|
710 | b7bcbe95 | bellard | default: /* undefined */ |
711 | b7bcbe95 | bellard | printf ("op:%d\n", op);
|
712 | b7bcbe95 | bellard | return 1; |
713 | b7bcbe95 | bellard | } |
714 | b7bcbe95 | bellard | |
715 | b7bcbe95 | bellard | /* Write back the result. */
|
716 | b7bcbe95 | bellard | if (op == 15 && (rn >= 8 && rn <= 11)) |
717 | b7bcbe95 | bellard | ; /* Comparison, do nothing. */
|
718 | b7bcbe95 | bellard | else if (op == 15 && rn > 17) |
719 | b7bcbe95 | bellard | /* Integer result. */
|
720 | b7bcbe95 | bellard | gen_mov_vreg_F0(0, rd);
|
721 | b7bcbe95 | bellard | else if (op == 15 && rn == 15) |
722 | b7bcbe95 | bellard | /* conversion */
|
723 | b7bcbe95 | bellard | gen_mov_vreg_F0(!dp, rd); |
724 | b7bcbe95 | bellard | else
|
725 | b7bcbe95 | bellard | gen_mov_vreg_F0(dp, rd); |
726 | b7bcbe95 | bellard | |
727 | b7bcbe95 | bellard | /* break out of the loop if we have finished */
|
728 | b7bcbe95 | bellard | if (veclen == 0) |
729 | b7bcbe95 | bellard | break;
|
730 | b7bcbe95 | bellard | |
731 | b7bcbe95 | bellard | if (op == 15 && delta_m == 0) { |
732 | b7bcbe95 | bellard | /* single source one-many */
|
733 | b7bcbe95 | bellard | while (veclen--) {
|
734 | b7bcbe95 | bellard | rd = ((rd + delta_d) & (bank_mask - 1))
|
735 | b7bcbe95 | bellard | | (rd & bank_mask); |
736 | b7bcbe95 | bellard | gen_mov_vreg_F0(dp, rd); |
737 | b7bcbe95 | bellard | } |
738 | b7bcbe95 | bellard | break;
|
739 | b7bcbe95 | bellard | } |
740 | b7bcbe95 | bellard | /* Setup the next operands. */
|
741 | b7bcbe95 | bellard | veclen--; |
742 | b7bcbe95 | bellard | rd = ((rd + delta_d) & (bank_mask - 1))
|
743 | b7bcbe95 | bellard | | (rd & bank_mask); |
744 | b7bcbe95 | bellard | |
745 | b7bcbe95 | bellard | if (op == 15) { |
746 | b7bcbe95 | bellard | /* One source operand. */
|
747 | b7bcbe95 | bellard | rm = ((rm + delta_m) & (bank_mask - 1))
|
748 | b7bcbe95 | bellard | | (rm & bank_mask); |
749 | b7bcbe95 | bellard | gen_mov_F0_vreg(dp, rm); |
750 | b7bcbe95 | bellard | } else {
|
751 | b7bcbe95 | bellard | /* Two source operands. */
|
752 | b7bcbe95 | bellard | rn = ((rn + delta_d) & (bank_mask - 1))
|
753 | b7bcbe95 | bellard | | (rn & bank_mask); |
754 | b7bcbe95 | bellard | gen_mov_F0_vreg(dp, rn); |
755 | b7bcbe95 | bellard | if (delta_m) {
|
756 | b7bcbe95 | bellard | rm = ((rm + delta_m) & (bank_mask - 1))
|
757 | b7bcbe95 | bellard | | (rm & bank_mask); |
758 | b7bcbe95 | bellard | gen_mov_F1_vreg(dp, rm); |
759 | b7bcbe95 | bellard | } |
760 | b7bcbe95 | bellard | } |
761 | b7bcbe95 | bellard | } |
762 | b7bcbe95 | bellard | } |
763 | b7bcbe95 | bellard | break;
|
764 | b7bcbe95 | bellard | case 0xc: |
765 | b7bcbe95 | bellard | case 0xd: |
766 | b7bcbe95 | bellard | if (dp && (insn & (1 << 22))) { |
767 | b7bcbe95 | bellard | /* two-register transfer */
|
768 | b7bcbe95 | bellard | rn = (insn >> 16) & 0xf; |
769 | b7bcbe95 | bellard | rd = (insn >> 12) & 0xf; |
770 | b7bcbe95 | bellard | if (dp) {
|
771 | b7bcbe95 | bellard | if (insn & (1 << 5)) |
772 | b7bcbe95 | bellard | return 1; |
773 | b7bcbe95 | bellard | rm = insn & 0xf;
|
774 | b7bcbe95 | bellard | } else
|
775 | b7bcbe95 | bellard | rm = ((insn << 1) & 0x1e) | ((insn >> 5) & 1); |
776 | b7bcbe95 | bellard | |
777 | b7bcbe95 | bellard | if (insn & (1 << 20)) { |
778 | b7bcbe95 | bellard | /* vfp->arm */
|
779 | b7bcbe95 | bellard | if (dp) {
|
780 | b7bcbe95 | bellard | gen_mov_F0_vreg(1, rm);
|
781 | b7bcbe95 | bellard | gen_op_vfp_mrrd(); |
782 | b7bcbe95 | bellard | gen_movl_reg_T0(s, rd); |
783 | b7bcbe95 | bellard | gen_movl_reg_T1(s, rn); |
784 | b7bcbe95 | bellard | } else {
|
785 | b7bcbe95 | bellard | gen_mov_F0_vreg(0, rm);
|
786 | b7bcbe95 | bellard | gen_op_vfp_mrs(); |
787 | b7bcbe95 | bellard | gen_movl_reg_T0(s, rn); |
788 | b7bcbe95 | bellard | gen_mov_F0_vreg(0, rm + 1); |
789 | b7bcbe95 | bellard | gen_op_vfp_mrs(); |
790 | b7bcbe95 | bellard | gen_movl_reg_T0(s, rd); |
791 | b7bcbe95 | bellard | } |
792 | b7bcbe95 | bellard | } else {
|
793 | b7bcbe95 | bellard | /* arm->vfp */
|
794 | b7bcbe95 | bellard | if (dp) {
|
795 | b7bcbe95 | bellard | gen_movl_T0_reg(s, rd); |
796 | b7bcbe95 | bellard | gen_movl_T1_reg(s, rn); |
797 | b7bcbe95 | bellard | gen_op_vfp_mdrr(); |
798 | b7bcbe95 | bellard | gen_mov_vreg_F0(1, rm);
|
799 | b7bcbe95 | bellard | } else {
|
800 | b7bcbe95 | bellard | gen_movl_T0_reg(s, rn); |
801 | b7bcbe95 | bellard | gen_op_vfp_msr(); |
802 | b7bcbe95 | bellard | gen_mov_vreg_F0(0, rm);
|
803 | b7bcbe95 | bellard | gen_movl_T0_reg(s, rd); |
804 | b7bcbe95 | bellard | gen_op_vfp_msr(); |
805 | b7bcbe95 | bellard | gen_mov_vreg_F0(0, rm + 1); |
806 | b7bcbe95 | bellard | } |
807 | b7bcbe95 | bellard | } |
808 | b7bcbe95 | bellard | } else {
|
809 | b7bcbe95 | bellard | /* Load/store */
|
810 | b7bcbe95 | bellard | rn = (insn >> 16) & 0xf; |
811 | b7bcbe95 | bellard | if (dp)
|
812 | b7bcbe95 | bellard | rd = (insn >> 12) & 0xf; |
813 | b7bcbe95 | bellard | else
|
814 | b7bcbe95 | bellard | rd = ((insn >> 11) & 0x1e) | ((insn >> 22) & 1); |
815 | b7bcbe95 | bellard | gen_movl_T1_reg(s, rn); |
816 | b7bcbe95 | bellard | if ((insn & 0x01200000) == 0x01000000) { |
817 | b7bcbe95 | bellard | /* Single load/store */
|
818 | b7bcbe95 | bellard | offset = (insn & 0xff) << 2; |
819 | b7bcbe95 | bellard | if ((insn & (1 << 23)) == 0) |
820 | b7bcbe95 | bellard | offset = -offset; |
821 | b7bcbe95 | bellard | gen_op_addl_T1_im(offset); |
822 | b7bcbe95 | bellard | if (insn & (1 << 20)) { |
823 | b7bcbe95 | bellard | gen_vfp_ld(dp); |
824 | b7bcbe95 | bellard | gen_mov_vreg_F0(dp, rd); |
825 | b7bcbe95 | bellard | } else {
|
826 | b7bcbe95 | bellard | gen_mov_F0_vreg(dp, rd); |
827 | b7bcbe95 | bellard | gen_vfp_st(dp); |
828 | b7bcbe95 | bellard | } |
829 | b7bcbe95 | bellard | } else {
|
830 | b7bcbe95 | bellard | /* load/store multiple */
|
831 | b7bcbe95 | bellard | if (dp)
|
832 | b7bcbe95 | bellard | n = (insn >> 1) & 0x7f; |
833 | b7bcbe95 | bellard | else
|
834 | b7bcbe95 | bellard | n = insn & 0xff;
|
835 | b7bcbe95 | bellard | |
836 | b7bcbe95 | bellard | if (insn & (1 << 24)) /* pre-decrement */ |
837 | b7bcbe95 | bellard | gen_op_addl_T1_im(-((insn & 0xff) << 2)); |
838 | b7bcbe95 | bellard | |
839 | b7bcbe95 | bellard | if (dp)
|
840 | b7bcbe95 | bellard | offset = 8;
|
841 | b7bcbe95 | bellard | else
|
842 | b7bcbe95 | bellard | offset = 4;
|
843 | b7bcbe95 | bellard | for (i = 0; i < n; i++) { |
844 | b7bcbe95 | bellard | if (insn & (1 << 20)) { |
845 | b7bcbe95 | bellard | /* load */
|
846 | b7bcbe95 | bellard | gen_vfp_ld(dp); |
847 | b7bcbe95 | bellard | gen_mov_vreg_F0(dp, rd + i); |
848 | b7bcbe95 | bellard | } else {
|
849 | b7bcbe95 | bellard | /* store */
|
850 | b7bcbe95 | bellard | gen_mov_F0_vreg(dp, rd + i); |
851 | b7bcbe95 | bellard | gen_vfp_st(dp); |
852 | b7bcbe95 | bellard | } |
853 | b7bcbe95 | bellard | gen_op_addl_T1_im(offset); |
854 | b7bcbe95 | bellard | } |
855 | b7bcbe95 | bellard | if (insn & (1 << 21)) { |
856 | b7bcbe95 | bellard | /* writeback */
|
857 | b7bcbe95 | bellard | if (insn & (1 << 24)) |
858 | b7bcbe95 | bellard | offset = -offset * n; |
859 | b7bcbe95 | bellard | else if (dp && (insn & 1)) |
860 | b7bcbe95 | bellard | offset = 4;
|
861 | b7bcbe95 | bellard | else
|
862 | b7bcbe95 | bellard | offset = 0;
|
863 | b7bcbe95 | bellard | |
864 | b7bcbe95 | bellard | if (offset != 0) |
865 | b7bcbe95 | bellard | gen_op_addl_T1_im(offset); |
866 | b7bcbe95 | bellard | gen_movl_reg_T1(s, rn); |
867 | b7bcbe95 | bellard | } |
868 | b7bcbe95 | bellard | } |
869 | b7bcbe95 | bellard | } |
870 | b7bcbe95 | bellard | break;
|
871 | b7bcbe95 | bellard | default:
|
872 | b7bcbe95 | bellard | /* Should never happen. */
|
873 | b7bcbe95 | bellard | return 1; |
874 | b7bcbe95 | bellard | } |
875 | b7bcbe95 | bellard | return 0; |
876 | b7bcbe95 | bellard | } |
877 | b7bcbe95 | bellard | |
878 | b7bcbe95 | bellard | static void disas_arm_insn(CPUState * env, DisasContext *s) |
879 | 2c0262af | bellard | { |
880 | 2c0262af | bellard | unsigned int cond, insn, val, op1, i, shift, rm, rs, rn, rd, sh; |
881 | 2c0262af | bellard | |
882 | 2c0262af | bellard | insn = ldl(s->pc); |
883 | 2c0262af | bellard | s->pc += 4;
|
884 | 2c0262af | bellard | |
885 | 2c0262af | bellard | cond = insn >> 28;
|
886 | 99c475ab | bellard | if (cond == 0xf){ |
887 | b7bcbe95 | bellard | /* Unconditional instructions. */
|
888 | 99c475ab | bellard | if ((insn & 0x0d70f000) == 0x0550f000) |
889 | 99c475ab | bellard | return; /* PLD */ |
890 | 99c475ab | bellard | else if ((insn & 0x0e000000) == 0x0a000000) { |
891 | 99c475ab | bellard | /* branch link and change to thumb (blx <offset>) */
|
892 | 99c475ab | bellard | int32_t offset; |
893 | 99c475ab | bellard | |
894 | 99c475ab | bellard | val = (uint32_t)s->pc; |
895 | 99c475ab | bellard | gen_op_movl_T0_im(val); |
896 | 99c475ab | bellard | gen_movl_reg_T0(s, 14);
|
897 | 99c475ab | bellard | /* Sign-extend the 24-bit offset */
|
898 | 99c475ab | bellard | offset = (((int32_t)insn) << 8) >> 8; |
899 | 99c475ab | bellard | /* offset * 4 + bit24 * 2 + (thumb bit) */
|
900 | 99c475ab | bellard | val += (offset << 2) | ((insn >> 23) & 2) | 1; |
901 | 99c475ab | bellard | /* pipeline offset */
|
902 | 99c475ab | bellard | val += 4;
|
903 | 99c475ab | bellard | gen_op_movl_T0_im(val); |
904 | 99c475ab | bellard | gen_bx(s); |
905 | 99c475ab | bellard | return;
|
906 | b7bcbe95 | bellard | } else if ((insn & 0x0fe00000) == 0x0c400000) { |
907 | b7bcbe95 | bellard | /* Coprocessor double register transfer. */
|
908 | b7bcbe95 | bellard | } else if ((insn & 0x0f000010) == 0x0e000010) { |
909 | b7bcbe95 | bellard | /* Additional coprocessor register transfer. */
|
910 | 99c475ab | bellard | } |
911 | 2c0262af | bellard | goto illegal_op;
|
912 | 99c475ab | bellard | } |
913 | 2c0262af | bellard | if (cond != 0xe) { |
914 | 2c0262af | bellard | /* if not always execute, we generate a conditional jump to
|
915 | 2c0262af | bellard | next instruction */
|
916 | 2c0262af | bellard | gen_test_cc[cond ^ 1]((long)s->tb, (long)s->pc); |
917 | 2c0262af | bellard | s->is_jmp = DISAS_JUMP_NEXT; |
918 | 2c0262af | bellard | } |
919 | 99c475ab | bellard | if ((insn & 0x0f900000) == 0x03000000) { |
920 | 99c475ab | bellard | if ((insn & 0x0ff0f000) != 0x0360f000) |
921 | 99c475ab | bellard | goto illegal_op;
|
922 | 99c475ab | bellard | /* CPSR = immediate */
|
923 | 99c475ab | bellard | val = insn & 0xff;
|
924 | 99c475ab | bellard | shift = ((insn >> 8) & 0xf) * 2; |
925 | 99c475ab | bellard | if (shift)
|
926 | 99c475ab | bellard | val = (val >> shift) | (val << (32 - shift));
|
927 | 99c475ab | bellard | gen_op_movl_T0_im(val); |
928 | 99c475ab | bellard | if (insn & (1 << 19)) |
929 | 99c475ab | bellard | gen_op_movl_psr_T0(); |
930 | 99c475ab | bellard | } else if ((insn & 0x0f900000) == 0x01000000 |
931 | 99c475ab | bellard | && (insn & 0x00000090) != 0x00000090) { |
932 | 99c475ab | bellard | /* miscellaneous instructions */
|
933 | 99c475ab | bellard | op1 = (insn >> 21) & 3; |
934 | 99c475ab | bellard | sh = (insn >> 4) & 0xf; |
935 | 99c475ab | bellard | rm = insn & 0xf;
|
936 | 99c475ab | bellard | switch (sh) {
|
937 | 99c475ab | bellard | case 0x0: /* move program status register */ |
938 | 99c475ab | bellard | if (op1 & 2) { |
939 | 99c475ab | bellard | /* SPSR not accessible in user mode */
|
940 | 99c475ab | bellard | goto illegal_op;
|
941 | 99c475ab | bellard | } |
942 | 99c475ab | bellard | if (op1 & 1) { |
943 | 99c475ab | bellard | /* CPSR = reg */
|
944 | 99c475ab | bellard | gen_movl_T0_reg(s, rm); |
945 | 99c475ab | bellard | if (insn & (1 << 19)) |
946 | 99c475ab | bellard | gen_op_movl_psr_T0(); |
947 | 99c475ab | bellard | } else {
|
948 | 99c475ab | bellard | /* reg = CPSR */
|
949 | 99c475ab | bellard | rd = (insn >> 12) & 0xf; |
950 | 99c475ab | bellard | gen_op_movl_T0_psr(); |
951 | 99c475ab | bellard | gen_movl_reg_T0(s, rd); |
952 | 99c475ab | bellard | } |
953 | b8a9e8f1 | bellard | break;
|
954 | 99c475ab | bellard | case 0x1: |
955 | 99c475ab | bellard | if (op1 == 1) { |
956 | 99c475ab | bellard | /* branch/exchange thumb (bx). */
|
957 | 99c475ab | bellard | gen_movl_T0_reg(s, rm); |
958 | 99c475ab | bellard | gen_bx(s); |
959 | 99c475ab | bellard | } else if (op1 == 3) { |
960 | 99c475ab | bellard | /* clz */
|
961 | 99c475ab | bellard | rd = (insn >> 12) & 0xf; |
962 | 99c475ab | bellard | gen_movl_T0_reg(s, rm); |
963 | 99c475ab | bellard | gen_op_clz_T0(); |
964 | 99c475ab | bellard | gen_movl_reg_T0(s, rd); |
965 | 99c475ab | bellard | } else {
|
966 | 99c475ab | bellard | goto illegal_op;
|
967 | 99c475ab | bellard | } |
968 | 99c475ab | bellard | break;
|
969 | 99c475ab | bellard | case 0x3: |
970 | 99c475ab | bellard | if (op1 != 1) |
971 | 99c475ab | bellard | goto illegal_op;
|
972 | 99c475ab | bellard | |
973 | 99c475ab | bellard | /* branch link/exchange thumb (blx) */
|
974 | 99c475ab | bellard | val = (uint32_t)s->pc; |
975 | 99c475ab | bellard | gen_op_movl_T0_im(val); |
976 | 99c475ab | bellard | gen_movl_reg_T0(s, 14);
|
977 | 99c475ab | bellard | gen_movl_T0_reg(s, rm); |
978 | 99c475ab | bellard | gen_bx(s); |
979 | 99c475ab | bellard | break;
|
980 | 99c475ab | bellard | case 0x5: /* saturating add/subtract */ |
981 | 99c475ab | bellard | rd = (insn >> 12) & 0xf; |
982 | 99c475ab | bellard | rn = (insn >> 16) & 0xf; |
983 | 99c475ab | bellard | gen_movl_T0_reg(s, rn); |
984 | 99c475ab | bellard | if (op1 & 2) { |
985 | 99c475ab | bellard | gen_movl_T1_reg(s, rn); |
986 | 99c475ab | bellard | if (op1 & 1) |
987 | 99c475ab | bellard | gen_op_subl_T0_T1_saturate(); |
988 | 99c475ab | bellard | else
|
989 | 99c475ab | bellard | gen_op_addl_T0_T1_saturate(); |
990 | 99c475ab | bellard | } |
991 | 99c475ab | bellard | gen_movl_T1_reg(s, rm); |
992 | 99c475ab | bellard | if (op1 & 1) |
993 | 99c475ab | bellard | gen_op_subl_T0_T1_saturate(); |
994 | 99c475ab | bellard | else
|
995 | 99c475ab | bellard | gen_op_addl_T0_T1_saturate(); |
996 | 99c475ab | bellard | gen_movl_reg_T0(s, rn); |
997 | 99c475ab | bellard | break;
|
998 | 99c475ab | bellard | case 0x8: /* signed multiply */ |
999 | 99c475ab | bellard | case 0xa: |
1000 | 99c475ab | bellard | case 0xc: |
1001 | 99c475ab | bellard | case 0xe: |
1002 | 99c475ab | bellard | rs = (insn >> 8) & 0xf; |
1003 | 99c475ab | bellard | rn = (insn >> 12) & 0xf; |
1004 | 99c475ab | bellard | rd = (insn >> 16) & 0xf; |
1005 | 99c475ab | bellard | if (op1 == 1) { |
1006 | 99c475ab | bellard | /* (32 * 16) >> 16 */
|
1007 | 99c475ab | bellard | gen_movl_T0_reg(s, rm); |
1008 | 99c475ab | bellard | gen_movl_T1_reg(s, rs); |
1009 | 99c475ab | bellard | if (sh & 4) |
1010 | 99c475ab | bellard | gen_op_sarl_T1_im(16);
|
1011 | 99c475ab | bellard | else
|
1012 | 99c475ab | bellard | gen_op_sxl_T1(); |
1013 | 99c475ab | bellard | gen_op_imulw_T0_T1(); |
1014 | 99c475ab | bellard | if ((sh & 2) == 0) { |
1015 | 99c475ab | bellard | gen_movl_T1_reg(s, rn); |
1016 | 99c475ab | bellard | gen_op_addl_T0_T1_setq(); |
1017 | 99c475ab | bellard | } |
1018 | 99c475ab | bellard | gen_movl_reg_T0(s, rd); |
1019 | 99c475ab | bellard | } else {
|
1020 | 99c475ab | bellard | /* 16 * 16 */
|
1021 | 99c475ab | bellard | gen_movl_T0_reg(s, rm); |
1022 | 99c475ab | bellard | if (sh & 2) |
1023 | 99c475ab | bellard | gen_op_sarl_T0_im(16);
|
1024 | 99c475ab | bellard | else
|
1025 | 99c475ab | bellard | gen_op_sxl_T0(); |
1026 | 99c475ab | bellard | gen_movl_T1_reg(s, rs); |
1027 | 99c475ab | bellard | if (sh & 4) |
1028 | 99c475ab | bellard | gen_op_sarl_T1_im(16);
|
1029 | 99c475ab | bellard | else
|
1030 | 99c475ab | bellard | gen_op_sxl_T1(); |
1031 | 99c475ab | bellard | if (op1 == 2) { |
1032 | 99c475ab | bellard | gen_op_imull_T0_T1(); |
1033 | 99c475ab | bellard | gen_op_addq_T0_T1(rn, rd); |
1034 | 99c475ab | bellard | gen_movl_reg_T0(s, rn); |
1035 | 99c475ab | bellard | gen_movl_reg_T1(s, rd); |
1036 | 99c475ab | bellard | } else {
|
1037 | 99c475ab | bellard | gen_op_mul_T0_T1(); |
1038 | 99c475ab | bellard | if (op1 == 0) { |
1039 | 99c475ab | bellard | gen_movl_T1_reg(s, rn); |
1040 | 99c475ab | bellard | gen_op_addl_T0_T1_setq(); |
1041 | 99c475ab | bellard | } |
1042 | 99c475ab | bellard | gen_movl_reg_T0(s, rd); |
1043 | 99c475ab | bellard | } |
1044 | 99c475ab | bellard | } |
1045 | 99c475ab | bellard | break;
|
1046 | 99c475ab | bellard | default:
|
1047 | 99c475ab | bellard | goto illegal_op;
|
1048 | 99c475ab | bellard | } |
1049 | 99c475ab | bellard | } else if (((insn & 0x0e000000) == 0 && |
1050 | 99c475ab | bellard | (insn & 0x00000090) != 0x90) || |
1051 | 99c475ab | bellard | ((insn & 0x0e000000) == (1 << 25))) { |
1052 | 2c0262af | bellard | int set_cc, logic_cc, shiftop;
|
1053 | 2c0262af | bellard | |
1054 | 2c0262af | bellard | op1 = (insn >> 21) & 0xf; |
1055 | 2c0262af | bellard | set_cc = (insn >> 20) & 1; |
1056 | 2c0262af | bellard | logic_cc = table_logic_cc[op1] & set_cc; |
1057 | 2c0262af | bellard | |
1058 | 2c0262af | bellard | /* data processing instruction */
|
1059 | 2c0262af | bellard | if (insn & (1 << 25)) { |
1060 | 2c0262af | bellard | /* immediate operand */
|
1061 | 2c0262af | bellard | val = insn & 0xff;
|
1062 | 2c0262af | bellard | shift = ((insn >> 8) & 0xf) * 2; |
1063 | 2c0262af | bellard | if (shift)
|
1064 | 2c0262af | bellard | val = (val >> shift) | (val << (32 - shift));
|
1065 | 2c0262af | bellard | gen_op_movl_T1_im(val); |
1066 | 7ff4d218 | bellard | if (logic_cc && shift)
|
1067 | 7ff4d218 | bellard | gen_op_mov_CF_T1(); |
1068 | 2c0262af | bellard | } else {
|
1069 | 2c0262af | bellard | /* register */
|
1070 | 2c0262af | bellard | rm = (insn) & 0xf;
|
1071 | 2c0262af | bellard | gen_movl_T1_reg(s, rm); |
1072 | 2c0262af | bellard | shiftop = (insn >> 5) & 3; |
1073 | 2c0262af | bellard | if (!(insn & (1 << 4))) { |
1074 | 2c0262af | bellard | shift = (insn >> 7) & 0x1f; |
1075 | 2c0262af | bellard | if (shift != 0) { |
1076 | 2c0262af | bellard | if (logic_cc) {
|
1077 | 2c0262af | bellard | gen_shift_T1_im_cc[shiftop](shift); |
1078 | 2c0262af | bellard | } else {
|
1079 | 2c0262af | bellard | gen_shift_T1_im[shiftop](shift); |
1080 | 2c0262af | bellard | } |
1081 | 1e8d4eec | bellard | } else if (shiftop != 0) { |
1082 | 1e8d4eec | bellard | if (logic_cc) {
|
1083 | 1e8d4eec | bellard | gen_shift_T1_0_cc[shiftop](); |
1084 | 1e8d4eec | bellard | } else {
|
1085 | 1e8d4eec | bellard | gen_shift_T1_0[shiftop](); |
1086 | 1e8d4eec | bellard | } |
1087 | 2c0262af | bellard | } |
1088 | 2c0262af | bellard | } else {
|
1089 | 2c0262af | bellard | rs = (insn >> 8) & 0xf; |
1090 | 2c0262af | bellard | gen_movl_T0_reg(s, rs); |
1091 | 2c0262af | bellard | if (logic_cc) {
|
1092 | 2c0262af | bellard | gen_shift_T1_T0_cc[shiftop](); |
1093 | 2c0262af | bellard | } else {
|
1094 | 2c0262af | bellard | gen_shift_T1_T0[shiftop](); |
1095 | 2c0262af | bellard | } |
1096 | 2c0262af | bellard | } |
1097 | 2c0262af | bellard | } |
1098 | 2c0262af | bellard | if (op1 != 0x0f && op1 != 0x0d) { |
1099 | 2c0262af | bellard | rn = (insn >> 16) & 0xf; |
1100 | 2c0262af | bellard | gen_movl_T0_reg(s, rn); |
1101 | 2c0262af | bellard | } |
1102 | 2c0262af | bellard | rd = (insn >> 12) & 0xf; |
1103 | 2c0262af | bellard | switch(op1) {
|
1104 | 2c0262af | bellard | case 0x00: |
1105 | 2c0262af | bellard | gen_op_andl_T0_T1(); |
1106 | 2c0262af | bellard | gen_movl_reg_T0(s, rd); |
1107 | 2c0262af | bellard | if (logic_cc)
|
1108 | 2c0262af | bellard | gen_op_logic_T0_cc(); |
1109 | 2c0262af | bellard | break;
|
1110 | 2c0262af | bellard | case 0x01: |
1111 | 2c0262af | bellard | gen_op_xorl_T0_T1(); |
1112 | 2c0262af | bellard | gen_movl_reg_T0(s, rd); |
1113 | 2c0262af | bellard | if (logic_cc)
|
1114 | 2c0262af | bellard | gen_op_logic_T0_cc(); |
1115 | 2c0262af | bellard | break;
|
1116 | 2c0262af | bellard | case 0x02: |
1117 | 2c0262af | bellard | if (set_cc)
|
1118 | 2c0262af | bellard | gen_op_subl_T0_T1_cc(); |
1119 | 2c0262af | bellard | else
|
1120 | 2c0262af | bellard | gen_op_subl_T0_T1(); |
1121 | 2c0262af | bellard | gen_movl_reg_T0(s, rd); |
1122 | 2c0262af | bellard | break;
|
1123 | 2c0262af | bellard | case 0x03: |
1124 | 2c0262af | bellard | if (set_cc)
|
1125 | 2c0262af | bellard | gen_op_rsbl_T0_T1_cc(); |
1126 | 2c0262af | bellard | else
|
1127 | 2c0262af | bellard | gen_op_rsbl_T0_T1(); |
1128 | 2c0262af | bellard | gen_movl_reg_T0(s, rd); |
1129 | 2c0262af | bellard | break;
|
1130 | 2c0262af | bellard | case 0x04: |
1131 | 2c0262af | bellard | if (set_cc)
|
1132 | 2c0262af | bellard | gen_op_addl_T0_T1_cc(); |
1133 | 2c0262af | bellard | else
|
1134 | 2c0262af | bellard | gen_op_addl_T0_T1(); |
1135 | 2c0262af | bellard | gen_movl_reg_T0(s, rd); |
1136 | 2c0262af | bellard | break;
|
1137 | 2c0262af | bellard | case 0x05: |
1138 | 2c0262af | bellard | if (set_cc)
|
1139 | 2c0262af | bellard | gen_op_adcl_T0_T1_cc(); |
1140 | 2c0262af | bellard | else
|
1141 | 2c0262af | bellard | gen_op_adcl_T0_T1(); |
1142 | 2c0262af | bellard | gen_movl_reg_T0(s, rd); |
1143 | 2c0262af | bellard | break;
|
1144 | 2c0262af | bellard | case 0x06: |
1145 | 2c0262af | bellard | if (set_cc)
|
1146 | 2c0262af | bellard | gen_op_sbcl_T0_T1_cc(); |
1147 | 2c0262af | bellard | else
|
1148 | 2c0262af | bellard | gen_op_sbcl_T0_T1(); |
1149 | 2c0262af | bellard | gen_movl_reg_T0(s, rd); |
1150 | 2c0262af | bellard | break;
|
1151 | 2c0262af | bellard | case 0x07: |
1152 | 2c0262af | bellard | if (set_cc)
|
1153 | 2c0262af | bellard | gen_op_rscl_T0_T1_cc(); |
1154 | 2c0262af | bellard | else
|
1155 | 2c0262af | bellard | gen_op_rscl_T0_T1(); |
1156 | 2c0262af | bellard | gen_movl_reg_T0(s, rd); |
1157 | 2c0262af | bellard | break;
|
1158 | 2c0262af | bellard | case 0x08: |
1159 | 2c0262af | bellard | if (set_cc) {
|
1160 | 2c0262af | bellard | gen_op_andl_T0_T1(); |
1161 | 2c0262af | bellard | gen_op_logic_T0_cc(); |
1162 | 2c0262af | bellard | } |
1163 | 2c0262af | bellard | break;
|
1164 | 2c0262af | bellard | case 0x09: |
1165 | 2c0262af | bellard | if (set_cc) {
|
1166 | 2c0262af | bellard | gen_op_xorl_T0_T1(); |
1167 | 2c0262af | bellard | gen_op_logic_T0_cc(); |
1168 | 2c0262af | bellard | } |
1169 | 2c0262af | bellard | break;
|
1170 | 2c0262af | bellard | case 0x0a: |
1171 | 2c0262af | bellard | if (set_cc) {
|
1172 | 2c0262af | bellard | gen_op_subl_T0_T1_cc(); |
1173 | 2c0262af | bellard | } |
1174 | 2c0262af | bellard | break;
|
1175 | 2c0262af | bellard | case 0x0b: |
1176 | 2c0262af | bellard | if (set_cc) {
|
1177 | 2c0262af | bellard | gen_op_addl_T0_T1_cc(); |
1178 | 2c0262af | bellard | } |
1179 | 2c0262af | bellard | break;
|
1180 | 2c0262af | bellard | case 0x0c: |
1181 | 2c0262af | bellard | gen_op_orl_T0_T1(); |
1182 | 2c0262af | bellard | gen_movl_reg_T0(s, rd); |
1183 | 2c0262af | bellard | if (logic_cc)
|
1184 | 2c0262af | bellard | gen_op_logic_T0_cc(); |
1185 | 2c0262af | bellard | break;
|
1186 | 2c0262af | bellard | case 0x0d: |
1187 | 2c0262af | bellard | gen_movl_reg_T1(s, rd); |
1188 | 2c0262af | bellard | if (logic_cc)
|
1189 | 2c0262af | bellard | gen_op_logic_T1_cc(); |
1190 | 2c0262af | bellard | break;
|
1191 | 2c0262af | bellard | case 0x0e: |
1192 | 2c0262af | bellard | gen_op_bicl_T0_T1(); |
1193 | 2c0262af | bellard | gen_movl_reg_T0(s, rd); |
1194 | 2c0262af | bellard | if (logic_cc)
|
1195 | 2c0262af | bellard | gen_op_logic_T0_cc(); |
1196 | 2c0262af | bellard | break;
|
1197 | 2c0262af | bellard | default:
|
1198 | 2c0262af | bellard | case 0x0f: |
1199 | 2c0262af | bellard | gen_op_notl_T1(); |
1200 | 2c0262af | bellard | gen_movl_reg_T1(s, rd); |
1201 | 2c0262af | bellard | if (logic_cc)
|
1202 | 2c0262af | bellard | gen_op_logic_T1_cc(); |
1203 | 2c0262af | bellard | break;
|
1204 | 2c0262af | bellard | } |
1205 | 2c0262af | bellard | } else {
|
1206 | 2c0262af | bellard | /* other instructions */
|
1207 | 2c0262af | bellard | op1 = (insn >> 24) & 0xf; |
1208 | 2c0262af | bellard | switch(op1) {
|
1209 | 2c0262af | bellard | case 0x0: |
1210 | 2c0262af | bellard | case 0x1: |
1211 | 99c475ab | bellard | /* multiplies, extra load/stores */
|
1212 | 2c0262af | bellard | sh = (insn >> 5) & 3; |
1213 | 2c0262af | bellard | if (sh == 0) { |
1214 | 2c0262af | bellard | if (op1 == 0x0) { |
1215 | 2c0262af | bellard | rd = (insn >> 16) & 0xf; |
1216 | 2c0262af | bellard | rn = (insn >> 12) & 0xf; |
1217 | 2c0262af | bellard | rs = (insn >> 8) & 0xf; |
1218 | 2c0262af | bellard | rm = (insn) & 0xf;
|
1219 | 99c475ab | bellard | if (((insn >> 22) & 3) == 0) { |
1220 | 2c0262af | bellard | /* 32 bit mul */
|
1221 | 2c0262af | bellard | gen_movl_T0_reg(s, rs); |
1222 | 2c0262af | bellard | gen_movl_T1_reg(s, rm); |
1223 | 2c0262af | bellard | gen_op_mul_T0_T1(); |
1224 | 2c0262af | bellard | if (insn & (1 << 21)) { |
1225 | 2c0262af | bellard | gen_movl_T1_reg(s, rn); |
1226 | 2c0262af | bellard | gen_op_addl_T0_T1(); |
1227 | 2c0262af | bellard | } |
1228 | 2c0262af | bellard | if (insn & (1 << 20)) |
1229 | 2c0262af | bellard | gen_op_logic_T0_cc(); |
1230 | 2c0262af | bellard | gen_movl_reg_T0(s, rd); |
1231 | 2c0262af | bellard | } else {
|
1232 | 2c0262af | bellard | /* 64 bit mul */
|
1233 | 2c0262af | bellard | gen_movl_T0_reg(s, rs); |
1234 | 2c0262af | bellard | gen_movl_T1_reg(s, rm); |
1235 | 2c0262af | bellard | if (insn & (1 << 22)) |
1236 | 2c0262af | bellard | gen_op_imull_T0_T1(); |
1237 | 2e134c9c | bellard | else
|
1238 | 2e134c9c | bellard | gen_op_mull_T0_T1(); |
1239 | 99c475ab | bellard | if (insn & (1 << 21)) /* mult accumulate */ |
1240 | 2c0262af | bellard | gen_op_addq_T0_T1(rn, rd); |
1241 | 99c475ab | bellard | if (!(insn & (1 << 23))) { /* double accumulate */ |
1242 | 99c475ab | bellard | gen_op_addq_lo_T0_T1(rn); |
1243 | 99c475ab | bellard | gen_op_addq_lo_T0_T1(rd); |
1244 | 99c475ab | bellard | } |
1245 | 2c0262af | bellard | if (insn & (1 << 20)) |
1246 | 2c0262af | bellard | gen_op_logicq_cc(); |
1247 | 2c0262af | bellard | gen_movl_reg_T0(s, rn); |
1248 | 2c0262af | bellard | gen_movl_reg_T1(s, rd); |
1249 | 2c0262af | bellard | } |
1250 | 2c0262af | bellard | } else {
|
1251 | 2c0262af | bellard | rn = (insn >> 16) & 0xf; |
1252 | 2c0262af | bellard | rd = (insn >> 12) & 0xf; |
1253 | 99c475ab | bellard | if (insn & (1 << 23)) { |
1254 | 99c475ab | bellard | /* load/store exclusive */
|
1255 | 99c475ab | bellard | goto illegal_op;
|
1256 | 2c0262af | bellard | } else {
|
1257 | 99c475ab | bellard | /* SWP instruction */
|
1258 | 99c475ab | bellard | rm = (insn) & 0xf;
|
1259 | 99c475ab | bellard | |
1260 | 99c475ab | bellard | gen_movl_T0_reg(s, rm); |
1261 | 99c475ab | bellard | gen_movl_T1_reg(s, rn); |
1262 | 99c475ab | bellard | if (insn & (1 << 22)) { |
1263 | 99c475ab | bellard | gen_op_swpb_T0_T1(); |
1264 | 99c475ab | bellard | } else {
|
1265 | 99c475ab | bellard | gen_op_swpl_T0_T1(); |
1266 | 99c475ab | bellard | } |
1267 | 99c475ab | bellard | gen_movl_reg_T0(s, rd); |
1268 | 2c0262af | bellard | } |
1269 | 2c0262af | bellard | } |
1270 | 2c0262af | bellard | } else {
|
1271 | 99c475ab | bellard | /* Misc load/store */
|
1272 | 2c0262af | bellard | rn = (insn >> 16) & 0xf; |
1273 | 2c0262af | bellard | rd = (insn >> 12) & 0xf; |
1274 | 2c0262af | bellard | gen_movl_T1_reg(s, rn); |
1275 | beddab75 | bellard | if (insn & (1 << 24)) |
1276 | beddab75 | bellard | gen_add_datah_offset(s, insn); |
1277 | 2c0262af | bellard | if (insn & (1 << 20)) { |
1278 | 2c0262af | bellard | /* load */
|
1279 | 2c0262af | bellard | switch(sh) {
|
1280 | 2c0262af | bellard | case 1: |
1281 | 2c0262af | bellard | gen_op_lduw_T0_T1(); |
1282 | 2c0262af | bellard | break;
|
1283 | 2c0262af | bellard | case 2: |
1284 | 2c0262af | bellard | gen_op_ldsb_T0_T1(); |
1285 | 2c0262af | bellard | break;
|
1286 | 2c0262af | bellard | default:
|
1287 | 2c0262af | bellard | case 3: |
1288 | 2c0262af | bellard | gen_op_ldsw_T0_T1(); |
1289 | 2c0262af | bellard | break;
|
1290 | 2c0262af | bellard | } |
1291 | e748ba4f | bellard | gen_movl_reg_T0(s, rd); |
1292 | 99c475ab | bellard | } else if (sh & 2) { |
1293 | 99c475ab | bellard | /* doubleword */
|
1294 | 99c475ab | bellard | if (sh & 1) { |
1295 | 99c475ab | bellard | /* store */
|
1296 | 99c475ab | bellard | gen_movl_T0_reg(s, rd); |
1297 | 99c475ab | bellard | gen_op_stl_T0_T1(); |
1298 | 99c475ab | bellard | gen_op_addl_T1_im(4);
|
1299 | 99c475ab | bellard | gen_movl_T0_reg(s, rd + 1);
|
1300 | 99c475ab | bellard | gen_op_stl_T0_T1(); |
1301 | 99c475ab | bellard | if ((insn & (1 << 24)) || (insn & (1 << 20))) |
1302 | 99c475ab | bellard | gen_op_addl_T1_im(-4);
|
1303 | 99c475ab | bellard | } else {
|
1304 | 99c475ab | bellard | /* load */
|
1305 | 99c475ab | bellard | gen_op_ldl_T0_T1(); |
1306 | 99c475ab | bellard | gen_movl_reg_T0(s, rd); |
1307 | 99c475ab | bellard | gen_op_addl_T1_im(4);
|
1308 | 99c475ab | bellard | gen_op_ldl_T0_T1(); |
1309 | 99c475ab | bellard | gen_movl_reg_T0(s, rd + 1);
|
1310 | 99c475ab | bellard | if ((insn & (1 << 24)) || (insn & (1 << 20))) |
1311 | 99c475ab | bellard | gen_op_addl_T1_im(-4);
|
1312 | 99c475ab | bellard | } |
1313 | 2c0262af | bellard | } else {
|
1314 | 2c0262af | bellard | /* store */
|
1315 | e748ba4f | bellard | gen_movl_T0_reg(s, rd); |
1316 | 2c0262af | bellard | gen_op_stw_T0_T1(); |
1317 | 2c0262af | bellard | } |
1318 | 2c0262af | bellard | if (!(insn & (1 << 24))) { |
1319 | 2c0262af | bellard | gen_add_datah_offset(s, insn); |
1320 | 2c0262af | bellard | gen_movl_reg_T1(s, rn); |
1321 | 2c0262af | bellard | } else if (insn & (1 << 21)) { |
1322 | 2c0262af | bellard | gen_movl_reg_T1(s, rn); |
1323 | 2c0262af | bellard | } |
1324 | 2c0262af | bellard | } |
1325 | 2c0262af | bellard | break;
|
1326 | 2c0262af | bellard | case 0x4: |
1327 | 2c0262af | bellard | case 0x5: |
1328 | 2c0262af | bellard | case 0x6: |
1329 | 2c0262af | bellard | case 0x7: |
1330 | 2c0262af | bellard | /* load/store byte/word */
|
1331 | 2c0262af | bellard | rn = (insn >> 16) & 0xf; |
1332 | 2c0262af | bellard | rd = (insn >> 12) & 0xf; |
1333 | 2c0262af | bellard | gen_movl_T1_reg(s, rn); |
1334 | 2c0262af | bellard | if (insn & (1 << 24)) |
1335 | 2c0262af | bellard | gen_add_data_offset(s, insn); |
1336 | 2c0262af | bellard | if (insn & (1 << 20)) { |
1337 | 2c0262af | bellard | /* load */
|
1338 | 2c0262af | bellard | if (insn & (1 << 22)) |
1339 | 2c0262af | bellard | gen_op_ldub_T0_T1(); |
1340 | 2c0262af | bellard | else
|
1341 | 2c0262af | bellard | gen_op_ldl_T0_T1(); |
1342 | 99c475ab | bellard | if (rd == 15) |
1343 | 99c475ab | bellard | gen_bx(s); |
1344 | 99c475ab | bellard | else
|
1345 | 99c475ab | bellard | gen_movl_reg_T0(s, rd); |
1346 | 2c0262af | bellard | } else {
|
1347 | 2c0262af | bellard | /* store */
|
1348 | 2c0262af | bellard | gen_movl_T0_reg(s, rd); |
1349 | 2c0262af | bellard | if (insn & (1 << 22)) |
1350 | 2c0262af | bellard | gen_op_stb_T0_T1(); |
1351 | 2c0262af | bellard | else
|
1352 | 2c0262af | bellard | gen_op_stl_T0_T1(); |
1353 | 2c0262af | bellard | } |
1354 | 2c0262af | bellard | if (!(insn & (1 << 24))) { |
1355 | 2c0262af | bellard | gen_add_data_offset(s, insn); |
1356 | 2c0262af | bellard | gen_movl_reg_T1(s, rn); |
1357 | 2c0262af | bellard | } else if (insn & (1 << 21)) |
1358 | 2c0262af | bellard | gen_movl_reg_T1(s, rn); { |
1359 | 2c0262af | bellard | } |
1360 | 2c0262af | bellard | break;
|
1361 | 2c0262af | bellard | case 0x08: |
1362 | 2c0262af | bellard | case 0x09: |
1363 | 2c0262af | bellard | { |
1364 | 2c0262af | bellard | int j, n;
|
1365 | 2c0262af | bellard | /* load/store multiple words */
|
1366 | 2c0262af | bellard | /* XXX: store correct base if write back */
|
1367 | 2c0262af | bellard | if (insn & (1 << 22)) |
1368 | 2c0262af | bellard | goto illegal_op; /* only usable in supervisor mode */ |
1369 | 2c0262af | bellard | rn = (insn >> 16) & 0xf; |
1370 | 2c0262af | bellard | gen_movl_T1_reg(s, rn); |
1371 | 2c0262af | bellard | |
1372 | 2c0262af | bellard | /* compute total size */
|
1373 | 2c0262af | bellard | n = 0;
|
1374 | 2c0262af | bellard | for(i=0;i<16;i++) { |
1375 | 2c0262af | bellard | if (insn & (1 << i)) |
1376 | 2c0262af | bellard | n++; |
1377 | 2c0262af | bellard | } |
1378 | 2c0262af | bellard | /* XXX: test invalid n == 0 case ? */
|
1379 | 2c0262af | bellard | if (insn & (1 << 23)) { |
1380 | 2c0262af | bellard | if (insn & (1 << 24)) { |
1381 | 2c0262af | bellard | /* pre increment */
|
1382 | 2c0262af | bellard | gen_op_addl_T1_im(4);
|
1383 | 2c0262af | bellard | } else {
|
1384 | 2c0262af | bellard | /* post increment */
|
1385 | 2c0262af | bellard | } |
1386 | 2c0262af | bellard | } else {
|
1387 | 2c0262af | bellard | if (insn & (1 << 24)) { |
1388 | 2c0262af | bellard | /* pre decrement */
|
1389 | 2c0262af | bellard | gen_op_addl_T1_im(-(n * 4));
|
1390 | 2c0262af | bellard | } else {
|
1391 | 2c0262af | bellard | /* post decrement */
|
1392 | 2c0262af | bellard | if (n != 1) |
1393 | 2c0262af | bellard | gen_op_addl_T1_im(-((n - 1) * 4)); |
1394 | 2c0262af | bellard | } |
1395 | 2c0262af | bellard | } |
1396 | 2c0262af | bellard | j = 0;
|
1397 | 2c0262af | bellard | for(i=0;i<16;i++) { |
1398 | 2c0262af | bellard | if (insn & (1 << i)) { |
1399 | 2c0262af | bellard | if (insn & (1 << 20)) { |
1400 | 2c0262af | bellard | /* load */
|
1401 | 2c0262af | bellard | gen_op_ldl_T0_T1(); |
1402 | 99c475ab | bellard | if (i == 15) |
1403 | 99c475ab | bellard | gen_bx(s); |
1404 | 99c475ab | bellard | else
|
1405 | 99c475ab | bellard | gen_movl_reg_T0(s, i); |
1406 | 2c0262af | bellard | } else {
|
1407 | 2c0262af | bellard | /* store */
|
1408 | 2c0262af | bellard | if (i == 15) { |
1409 | 2c0262af | bellard | /* special case: r15 = PC + 12 */
|
1410 | 2c0262af | bellard | val = (long)s->pc + 8; |
1411 | 2c0262af | bellard | gen_op_movl_TN_im[0](val);
|
1412 | 2c0262af | bellard | } else {
|
1413 | 2c0262af | bellard | gen_movl_T0_reg(s, i); |
1414 | 2c0262af | bellard | } |
1415 | 2c0262af | bellard | gen_op_stl_T0_T1(); |
1416 | 2c0262af | bellard | } |
1417 | 2c0262af | bellard | j++; |
1418 | 2c0262af | bellard | /* no need to add after the last transfer */
|
1419 | 2c0262af | bellard | if (j != n)
|
1420 | 2c0262af | bellard | gen_op_addl_T1_im(4);
|
1421 | 2c0262af | bellard | } |
1422 | 2c0262af | bellard | } |
1423 | 2c0262af | bellard | if (insn & (1 << 21)) { |
1424 | 2c0262af | bellard | /* write back */
|
1425 | 2c0262af | bellard | if (insn & (1 << 23)) { |
1426 | 2c0262af | bellard | if (insn & (1 << 24)) { |
1427 | 2c0262af | bellard | /* pre increment */
|
1428 | 2c0262af | bellard | } else {
|
1429 | 2c0262af | bellard | /* post increment */
|
1430 | 2c0262af | bellard | gen_op_addl_T1_im(4);
|
1431 | 2c0262af | bellard | } |
1432 | 2c0262af | bellard | } else {
|
1433 | 2c0262af | bellard | if (insn & (1 << 24)) { |
1434 | 2c0262af | bellard | /* pre decrement */
|
1435 | 2c0262af | bellard | if (n != 1) |
1436 | 2c0262af | bellard | gen_op_addl_T1_im(-((n - 1) * 4)); |
1437 | 2c0262af | bellard | } else {
|
1438 | 2c0262af | bellard | /* post decrement */
|
1439 | 2c0262af | bellard | gen_op_addl_T1_im(-(n * 4));
|
1440 | 2c0262af | bellard | } |
1441 | 2c0262af | bellard | } |
1442 | 2c0262af | bellard | gen_movl_reg_T1(s, rn); |
1443 | 2c0262af | bellard | } |
1444 | 2c0262af | bellard | } |
1445 | 2c0262af | bellard | break;
|
1446 | 2c0262af | bellard | case 0xa: |
1447 | 2c0262af | bellard | case 0xb: |
1448 | 2c0262af | bellard | { |
1449 | 99c475ab | bellard | int32_t offset; |
1450 | 2c0262af | bellard | |
1451 | 2c0262af | bellard | /* branch (and link) */
|
1452 | 99c475ab | bellard | val = (int32_t)s->pc; |
1453 | 2c0262af | bellard | if (insn & (1 << 24)) { |
1454 | 2c0262af | bellard | gen_op_movl_T0_im(val); |
1455 | 2c0262af | bellard | gen_op_movl_reg_TN[0][14](); |
1456 | 2c0262af | bellard | } |
1457 | 99c475ab | bellard | offset = (((int32_t)insn << 8) >> 8); |
1458 | 2c0262af | bellard | val += (offset << 2) + 4; |
1459 | 2c0262af | bellard | gen_op_jmp((long)s->tb, val);
|
1460 | 2c0262af | bellard | s->is_jmp = DISAS_TB_JUMP; |
1461 | 2c0262af | bellard | } |
1462 | 2c0262af | bellard | break;
|
1463 | b7bcbe95 | bellard | case 0xc: |
1464 | b7bcbe95 | bellard | case 0xd: |
1465 | b7bcbe95 | bellard | case 0xe: |
1466 | b7bcbe95 | bellard | /* Coprocessor. */
|
1467 | b7bcbe95 | bellard | op1 = (insn >> 8) & 0xf; |
1468 | b7bcbe95 | bellard | switch (op1) {
|
1469 | b7bcbe95 | bellard | case 10: |
1470 | b7bcbe95 | bellard | case 11: |
1471 | b7bcbe95 | bellard | if (disas_vfp_insn (env, s, insn))
|
1472 | b7bcbe95 | bellard | goto illegal_op;
|
1473 | b7bcbe95 | bellard | break;
|
1474 | b7bcbe95 | bellard | default:
|
1475 | b7bcbe95 | bellard | /* unknown coprocessor. */
|
1476 | b7bcbe95 | bellard | goto illegal_op;
|
1477 | b7bcbe95 | bellard | } |
1478 | b7bcbe95 | bellard | break;
|
1479 | 2c0262af | bellard | case 0xf: |
1480 | 2c0262af | bellard | /* swi */
|
1481 | 2c0262af | bellard | gen_op_movl_T0_im((long)s->pc);
|
1482 | 2c0262af | bellard | gen_op_movl_reg_TN[0][15](); |
1483 | 2c0262af | bellard | gen_op_swi(); |
1484 | 2c0262af | bellard | s->is_jmp = DISAS_JUMP; |
1485 | 2c0262af | bellard | break;
|
1486 | 2c0262af | bellard | default:
|
1487 | 2c0262af | bellard | illegal_op:
|
1488 | 2c0262af | bellard | gen_op_movl_T0_im((long)s->pc - 4); |
1489 | 2c0262af | bellard | gen_op_movl_reg_TN[0][15](); |
1490 | 2c0262af | bellard | gen_op_undef_insn(); |
1491 | 2c0262af | bellard | s->is_jmp = DISAS_JUMP; |
1492 | 2c0262af | bellard | break;
|
1493 | 2c0262af | bellard | } |
1494 | 2c0262af | bellard | } |
1495 | 2c0262af | bellard | } |
1496 | 2c0262af | bellard | |
1497 | 99c475ab | bellard | static void disas_thumb_insn(DisasContext *s) |
1498 | 99c475ab | bellard | { |
1499 | 99c475ab | bellard | uint32_t val, insn, op, rm, rn, rd, shift, cond; |
1500 | 99c475ab | bellard | int32_t offset; |
1501 | 99c475ab | bellard | int i;
|
1502 | 99c475ab | bellard | |
1503 | 99c475ab | bellard | insn = lduw(s->pc); |
1504 | 99c475ab | bellard | s->pc += 2;
|
1505 | 99c475ab | bellard | |
1506 | 99c475ab | bellard | switch (insn >> 12) { |
1507 | 99c475ab | bellard | case 0: case 1: |
1508 | 99c475ab | bellard | rd = insn & 7;
|
1509 | 99c475ab | bellard | op = (insn >> 11) & 3; |
1510 | 99c475ab | bellard | if (op == 3) { |
1511 | 99c475ab | bellard | /* add/subtract */
|
1512 | 99c475ab | bellard | rn = (insn >> 3) & 7; |
1513 | 99c475ab | bellard | gen_movl_T0_reg(s, rn); |
1514 | 99c475ab | bellard | if (insn & (1 << 10)) { |
1515 | 99c475ab | bellard | /* immediate */
|
1516 | 99c475ab | bellard | gen_op_movl_T1_im((insn >> 6) & 7); |
1517 | 99c475ab | bellard | } else {
|
1518 | 99c475ab | bellard | /* reg */
|
1519 | 99c475ab | bellard | rm = (insn >> 6) & 7; |
1520 | 99c475ab | bellard | gen_movl_T1_reg(s, rm); |
1521 | 99c475ab | bellard | } |
1522 | 99c475ab | bellard | if (insn & (1 << 9)) |
1523 | 99c475ab | bellard | gen_op_addl_T0_T1_cc(); |
1524 | 99c475ab | bellard | else
|
1525 | 99c475ab | bellard | gen_op_addl_T0_T1_cc(); |
1526 | 99c475ab | bellard | gen_movl_reg_T0(s, rd); |
1527 | 99c475ab | bellard | } else {
|
1528 | 99c475ab | bellard | /* shift immediate */
|
1529 | 99c475ab | bellard | rm = (insn >> 3) & 7; |
1530 | 99c475ab | bellard | shift = (insn >> 6) & 0x1f; |
1531 | 99c475ab | bellard | gen_movl_T0_reg(s, rm); |
1532 | 99c475ab | bellard | gen_shift_T0_im_thumb[op](shift); |
1533 | 99c475ab | bellard | gen_movl_reg_T0(s, rd); |
1534 | 99c475ab | bellard | } |
1535 | 99c475ab | bellard | break;
|
1536 | 99c475ab | bellard | case 2: case 3: |
1537 | 99c475ab | bellard | /* arithmetic large immediate */
|
1538 | 99c475ab | bellard | op = (insn >> 11) & 3; |
1539 | 99c475ab | bellard | rd = (insn >> 8) & 0x7; |
1540 | 99c475ab | bellard | if (op == 0) { |
1541 | 99c475ab | bellard | gen_op_movl_T0_im(insn & 0xff);
|
1542 | 99c475ab | bellard | } else {
|
1543 | 99c475ab | bellard | gen_movl_T0_reg(s, rd); |
1544 | 99c475ab | bellard | gen_op_movl_T1_im(insn & 0xff);
|
1545 | 99c475ab | bellard | } |
1546 | 99c475ab | bellard | switch (op) {
|
1547 | 99c475ab | bellard | case 0: /* mov */ |
1548 | 99c475ab | bellard | gen_op_logic_T0_cc(); |
1549 | 99c475ab | bellard | break;
|
1550 | 99c475ab | bellard | case 1: /* cmp */ |
1551 | 99c475ab | bellard | gen_op_subl_T0_T1_cc(); |
1552 | 99c475ab | bellard | break;
|
1553 | 99c475ab | bellard | case 2: /* add */ |
1554 | 99c475ab | bellard | gen_op_addl_T0_T1_cc(); |
1555 | 99c475ab | bellard | break;
|
1556 | 99c475ab | bellard | case 3: /* sub */ |
1557 | 99c475ab | bellard | gen_op_subl_T0_T1_cc(); |
1558 | 99c475ab | bellard | break;
|
1559 | 99c475ab | bellard | } |
1560 | 99c475ab | bellard | if (op != 1) |
1561 | 99c475ab | bellard | gen_movl_reg_T0(s, rd); |
1562 | 99c475ab | bellard | break;
|
1563 | 99c475ab | bellard | case 4: |
1564 | 99c475ab | bellard | if (insn & (1 << 11)) { |
1565 | 99c475ab | bellard | rd = (insn >> 8) & 7; |
1566 | 99c475ab | bellard | /* load pc-relative */
|
1567 | 99c475ab | bellard | val = (insn & 0xff) * 4; |
1568 | 99c475ab | bellard | gen_op_movl_T1_im(val); |
1569 | 99c475ab | bellard | gen_movl_T2_reg(s, 15);
|
1570 | 99c475ab | bellard | gen_op_addl_T1_T2(); |
1571 | 99c475ab | bellard | gen_op_ldl_T0_T1(); |
1572 | 99c475ab | bellard | gen_movl_reg_T0(s, rd); |
1573 | 99c475ab | bellard | break;
|
1574 | 99c475ab | bellard | } |
1575 | 99c475ab | bellard | if (insn & (1 << 10)) { |
1576 | 99c475ab | bellard | /* data processing extended or blx */
|
1577 | 99c475ab | bellard | rd = (insn & 7) | ((insn >> 4) & 8); |
1578 | 99c475ab | bellard | rm = (insn >> 3) & 0xf; |
1579 | 99c475ab | bellard | op = (insn >> 8) & 3; |
1580 | 99c475ab | bellard | switch (op) {
|
1581 | 99c475ab | bellard | case 0: /* add */ |
1582 | 99c475ab | bellard | gen_movl_T0_reg(s, rd); |
1583 | 99c475ab | bellard | gen_movl_T1_reg(s, rm); |
1584 | 99c475ab | bellard | gen_op_addl_T0_T1(); |
1585 | 99c475ab | bellard | gen_movl_reg_T0(s, rd); |
1586 | 99c475ab | bellard | break;
|
1587 | 99c475ab | bellard | case 1: /* cmp */ |
1588 | 99c475ab | bellard | gen_movl_T0_reg(s, rd); |
1589 | 99c475ab | bellard | gen_movl_T1_reg(s, rm); |
1590 | 99c475ab | bellard | gen_op_subl_T0_T1_cc(); |
1591 | 99c475ab | bellard | break;
|
1592 | 99c475ab | bellard | case 2: /* mov/cpy */ |
1593 | 99c475ab | bellard | gen_movl_T0_reg(s, rm); |
1594 | 99c475ab | bellard | gen_movl_reg_T0(s, rd); |
1595 | 99c475ab | bellard | break;
|
1596 | 99c475ab | bellard | case 3:/* branch [and link] exchange thumb register */ |
1597 | 99c475ab | bellard | if (insn & (1 << 7)) { |
1598 | 99c475ab | bellard | val = (uint32_t)s->pc | 1;
|
1599 | 99c475ab | bellard | gen_op_movl_T1_im(val); |
1600 | 99c475ab | bellard | gen_movl_reg_T1(s, 14);
|
1601 | 99c475ab | bellard | } |
1602 | 99c475ab | bellard | gen_movl_T0_reg(s, rm); |
1603 | 99c475ab | bellard | gen_bx(s); |
1604 | 99c475ab | bellard | break;
|
1605 | 99c475ab | bellard | } |
1606 | 99c475ab | bellard | break;
|
1607 | 99c475ab | bellard | } |
1608 | 99c475ab | bellard | |
1609 | 99c475ab | bellard | /* data processing register */
|
1610 | 99c475ab | bellard | rd = insn & 7;
|
1611 | 99c475ab | bellard | rm = (insn >> 3) & 7; |
1612 | 99c475ab | bellard | op = (insn >> 6) & 0xf; |
1613 | 99c475ab | bellard | if (op == 2 || op == 3 || op == 4 || op == 7) { |
1614 | 99c475ab | bellard | /* the shift/rotate ops want the operands backwards */
|
1615 | 99c475ab | bellard | val = rm; |
1616 | 99c475ab | bellard | rm = rd; |
1617 | 99c475ab | bellard | rd = val; |
1618 | 99c475ab | bellard | val = 1;
|
1619 | 99c475ab | bellard | } else {
|
1620 | 99c475ab | bellard | val = 0;
|
1621 | 99c475ab | bellard | } |
1622 | 99c475ab | bellard | |
1623 | 99c475ab | bellard | if (op == 9) /* neg */ |
1624 | 99c475ab | bellard | gen_op_movl_T0_im(0);
|
1625 | 99c475ab | bellard | else if (op != 0xf) /* mvn doesn't read its first operand */ |
1626 | 99c475ab | bellard | gen_movl_T0_reg(s, rd); |
1627 | 99c475ab | bellard | |
1628 | 99c475ab | bellard | gen_movl_T1_reg(s, rm); |
1629 | 99c475ab | bellard | switch (insn >> 6) { |
1630 | 99c475ab | bellard | case 0x0: /* and */ |
1631 | 99c475ab | bellard | gen_op_andl_T0_T1(); |
1632 | 99c475ab | bellard | gen_op_logic_T0_cc(); |
1633 | 99c475ab | bellard | break;
|
1634 | 99c475ab | bellard | case 0x1: /* eor */ |
1635 | 99c475ab | bellard | gen_op_xorl_T0_T1(); |
1636 | 99c475ab | bellard | gen_op_logic_T0_cc(); |
1637 | 99c475ab | bellard | break;
|
1638 | 99c475ab | bellard | case 0x2: /* lsl */ |
1639 | 99c475ab | bellard | gen_op_shll_T1_T0_cc(); |
1640 | 99c475ab | bellard | break;
|
1641 | 99c475ab | bellard | case 0x3: /* lsr */ |
1642 | 99c475ab | bellard | gen_op_shrl_T1_T0_cc(); |
1643 | 99c475ab | bellard | break;
|
1644 | 99c475ab | bellard | case 0x4: /* asr */ |
1645 | 99c475ab | bellard | gen_op_sarl_T1_T0_cc(); |
1646 | 99c475ab | bellard | break;
|
1647 | 99c475ab | bellard | case 0x5: /* adc */ |
1648 | 99c475ab | bellard | gen_op_adcl_T0_T1_cc(); |
1649 | 99c475ab | bellard | break;
|
1650 | 99c475ab | bellard | case 0x6: /* sbc */ |
1651 | 99c475ab | bellard | gen_op_sbcl_T0_T1_cc(); |
1652 | 99c475ab | bellard | break;
|
1653 | 99c475ab | bellard | case 0x7: /* ror */ |
1654 | 99c475ab | bellard | gen_op_rorl_T1_T0_cc(); |
1655 | 99c475ab | bellard | break;
|
1656 | 99c475ab | bellard | case 0x8: /* tst */ |
1657 | 99c475ab | bellard | gen_op_andl_T0_T1(); |
1658 | 99c475ab | bellard | gen_op_logic_T0_cc(); |
1659 | 99c475ab | bellard | rd = 16;
|
1660 | 99c475ab | bellard | case 0x9: /* neg */ |
1661 | 99c475ab | bellard | gen_op_rsbl_T0_T1_cc(); |
1662 | 99c475ab | bellard | break;
|
1663 | 99c475ab | bellard | case 0xa: /* cmp */ |
1664 | 99c475ab | bellard | gen_op_subl_T0_T1_cc(); |
1665 | 99c475ab | bellard | rd = 16;
|
1666 | 99c475ab | bellard | break;
|
1667 | 99c475ab | bellard | case 0xb: /* cmn */ |
1668 | 99c475ab | bellard | gen_op_addl_T0_T1_cc(); |
1669 | 99c475ab | bellard | rd = 16;
|
1670 | 99c475ab | bellard | break;
|
1671 | 99c475ab | bellard | case 0xc: /* orr */ |
1672 | 99c475ab | bellard | gen_op_orl_T0_T1(); |
1673 | 99c475ab | bellard | gen_op_logic_T0_cc(); |
1674 | 99c475ab | bellard | break;
|
1675 | 99c475ab | bellard | case 0xd: /* mul */ |
1676 | 99c475ab | bellard | gen_op_mull_T0_T1(); |
1677 | 99c475ab | bellard | gen_op_logic_T0_cc(); |
1678 | 99c475ab | bellard | break;
|
1679 | 99c475ab | bellard | case 0xe: /* bic */ |
1680 | 99c475ab | bellard | gen_op_bicl_T0_T1(); |
1681 | 99c475ab | bellard | gen_op_logic_T0_cc(); |
1682 | 99c475ab | bellard | break;
|
1683 | 99c475ab | bellard | case 0xf: /* mvn */ |
1684 | 99c475ab | bellard | gen_op_notl_T1(); |
1685 | 99c475ab | bellard | gen_op_logic_T1_cc(); |
1686 | 99c475ab | bellard | val = 1;
|
1687 | 99c475ab | bellard | break;
|
1688 | 99c475ab | bellard | } |
1689 | 99c475ab | bellard | if (rd != 16) { |
1690 | 99c475ab | bellard | if (val)
|
1691 | 99c475ab | bellard | gen_movl_reg_T1(s, rd); |
1692 | 99c475ab | bellard | else
|
1693 | 99c475ab | bellard | gen_movl_reg_T0(s, rd); |
1694 | 99c475ab | bellard | } |
1695 | 99c475ab | bellard | break;
|
1696 | 99c475ab | bellard | |
1697 | 99c475ab | bellard | case 5: |
1698 | 99c475ab | bellard | /* load/store register offset. */
|
1699 | 99c475ab | bellard | rd = insn & 7;
|
1700 | 99c475ab | bellard | rn = (insn >> 3) & 7; |
1701 | 99c475ab | bellard | rm = (insn >> 6) & 7; |
1702 | 99c475ab | bellard | op = (insn >> 9) & 7; |
1703 | 99c475ab | bellard | gen_movl_T1_reg(s, rn); |
1704 | 99c475ab | bellard | gen_movl_T2_reg(s, rm); |
1705 | 99c475ab | bellard | gen_op_addl_T1_T2(); |
1706 | 99c475ab | bellard | |
1707 | 99c475ab | bellard | if (op < 3) /* store */ |
1708 | 99c475ab | bellard | gen_movl_T0_reg(s, rd); |
1709 | 99c475ab | bellard | |
1710 | 99c475ab | bellard | switch (op) {
|
1711 | 99c475ab | bellard | case 0: /* str */ |
1712 | 99c475ab | bellard | gen_op_stl_T0_T1(); |
1713 | 99c475ab | bellard | break;
|
1714 | 99c475ab | bellard | case 1: /* strh */ |
1715 | 99c475ab | bellard | gen_op_stw_T0_T1(); |
1716 | 99c475ab | bellard | break;
|
1717 | 99c475ab | bellard | case 2: /* strb */ |
1718 | 99c475ab | bellard | gen_op_stb_T0_T1(); |
1719 | 99c475ab | bellard | break;
|
1720 | 99c475ab | bellard | case 3: /* ldrsb */ |
1721 | 99c475ab | bellard | gen_op_ldsb_T0_T1(); |
1722 | 99c475ab | bellard | break;
|
1723 | 99c475ab | bellard | case 4: /* ldr */ |
1724 | 99c475ab | bellard | gen_op_ldl_T0_T1(); |
1725 | 99c475ab | bellard | break;
|
1726 | 99c475ab | bellard | case 5: /* ldrh */ |
1727 | 99c475ab | bellard | gen_op_ldsw_T0_T1(); |
1728 | 99c475ab | bellard | break;
|
1729 | 99c475ab | bellard | case 6: /* ldrb */ |
1730 | 99c475ab | bellard | gen_op_ldub_T0_T1(); |
1731 | 99c475ab | bellard | break;
|
1732 | 99c475ab | bellard | case 7: /* ldrsh */ |
1733 | 99c475ab | bellard | gen_op_ldsw_T0_T1(); |
1734 | 99c475ab | bellard | break;
|
1735 | 99c475ab | bellard | } |
1736 | 99c475ab | bellard | if (op >= 3) /* load */ |
1737 | 99c475ab | bellard | gen_movl_reg_T0(s, rd); |
1738 | 99c475ab | bellard | break;
|
1739 | 99c475ab | bellard | |
1740 | 99c475ab | bellard | case 6: |
1741 | 99c475ab | bellard | /* load/store word immediate offset */
|
1742 | 99c475ab | bellard | rd = insn & 7;
|
1743 | 99c475ab | bellard | rn = (insn >> 3) & 7; |
1744 | 99c475ab | bellard | gen_movl_T1_reg(s, rn); |
1745 | 99c475ab | bellard | val = (insn >> 4) & 0x7c; |
1746 | 99c475ab | bellard | gen_op_movl_T2_im(val); |
1747 | 99c475ab | bellard | gen_op_addl_T1_T2(); |
1748 | 99c475ab | bellard | |
1749 | 99c475ab | bellard | if (insn & (1 << 11)) { |
1750 | 99c475ab | bellard | /* load */
|
1751 | 99c475ab | bellard | gen_op_ldl_T0_T1(); |
1752 | 99c475ab | bellard | gen_movl_reg_T0(s, rd); |
1753 | 99c475ab | bellard | } else {
|
1754 | 99c475ab | bellard | /* store */
|
1755 | 99c475ab | bellard | gen_movl_T0_reg(s, rd); |
1756 | 99c475ab | bellard | gen_op_stl_T0_T1(); |
1757 | 99c475ab | bellard | } |
1758 | 99c475ab | bellard | break;
|
1759 | 99c475ab | bellard | |
1760 | 99c475ab | bellard | case 7: |
1761 | 99c475ab | bellard | /* load/store byte immediate offset */
|
1762 | 99c475ab | bellard | rd = insn & 7;
|
1763 | 99c475ab | bellard | rn = (insn >> 3) & 7; |
1764 | 99c475ab | bellard | gen_movl_T1_reg(s, rn); |
1765 | 99c475ab | bellard | val = (insn >> 6) & 0x1f; |
1766 | 99c475ab | bellard | gen_op_movl_T2_im(val); |
1767 | 99c475ab | bellard | gen_op_addl_T1_T2(); |
1768 | 99c475ab | bellard | |
1769 | 99c475ab | bellard | if (insn & (1 << 11)) { |
1770 | 99c475ab | bellard | /* load */
|
1771 | 99c475ab | bellard | gen_op_ldub_T0_T1(); |
1772 | 99c475ab | bellard | gen_movl_reg_T0(s, rd); |
1773 | 99c475ab | bellard | } else {
|
1774 | 99c475ab | bellard | /* store */
|
1775 | 99c475ab | bellard | gen_movl_T0_reg(s, rd); |
1776 | 99c475ab | bellard | gen_op_stb_T0_T1(); |
1777 | 99c475ab | bellard | } |
1778 | 99c475ab | bellard | break;
|
1779 | 99c475ab | bellard | |
1780 | 99c475ab | bellard | case 8: |
1781 | 99c475ab | bellard | /* load/store halfword immediate offset */
|
1782 | 99c475ab | bellard | rd = insn & 7;
|
1783 | 99c475ab | bellard | rn = (insn >> 3) & 7; |
1784 | 99c475ab | bellard | gen_movl_T1_reg(s, rn); |
1785 | 99c475ab | bellard | val = (insn >> 5) & 0x3e; |
1786 | 99c475ab | bellard | gen_op_movl_T2_im(val); |
1787 | 99c475ab | bellard | gen_op_addl_T1_T2(); |
1788 | 99c475ab | bellard | |
1789 | 99c475ab | bellard | if (insn & (1 << 11)) { |
1790 | 99c475ab | bellard | /* load */
|
1791 | 99c475ab | bellard | gen_op_lduw_T0_T1(); |
1792 | 99c475ab | bellard | gen_movl_reg_T0(s, rd); |
1793 | 99c475ab | bellard | } else {
|
1794 | 99c475ab | bellard | /* store */
|
1795 | 99c475ab | bellard | gen_movl_T0_reg(s, rd); |
1796 | 99c475ab | bellard | gen_op_stw_T0_T1(); |
1797 | 99c475ab | bellard | } |
1798 | 99c475ab | bellard | break;
|
1799 | 99c475ab | bellard | |
1800 | 99c475ab | bellard | case 9: |
1801 | 99c475ab | bellard | /* load/store from stack */
|
1802 | 99c475ab | bellard | rd = (insn >> 8) & 7; |
1803 | 99c475ab | bellard | gen_movl_T1_reg(s, 13);
|
1804 | 99c475ab | bellard | val = (insn & 0xff) * 4; |
1805 | 99c475ab | bellard | gen_op_movl_T2_im(val); |
1806 | 99c475ab | bellard | gen_op_addl_T1_T2(); |
1807 | 99c475ab | bellard | |
1808 | 99c475ab | bellard | if (insn & (1 << 11)) { |
1809 | 99c475ab | bellard | /* load */
|
1810 | 99c475ab | bellard | gen_op_ldl_T0_T1(); |
1811 | 99c475ab | bellard | gen_movl_reg_T0(s, rd); |
1812 | 99c475ab | bellard | } else {
|
1813 | 99c475ab | bellard | /* store */
|
1814 | 99c475ab | bellard | gen_movl_T0_reg(s, rd); |
1815 | 99c475ab | bellard | gen_op_stl_T0_T1(); |
1816 | 99c475ab | bellard | } |
1817 | 99c475ab | bellard | break;
|
1818 | 99c475ab | bellard | |
1819 | 99c475ab | bellard | case 10: |
1820 | 99c475ab | bellard | /* add to high reg */
|
1821 | 99c475ab | bellard | rd = (insn >> 8) & 7; |
1822 | 99c475ab | bellard | if (insn & (1 << 11)) |
1823 | 99c475ab | bellard | rm = 13; /* sp */ |
1824 | 99c475ab | bellard | else
|
1825 | 99c475ab | bellard | rm = 15; /* pc */ |
1826 | 99c475ab | bellard | gen_movl_T0_reg(s, rm); |
1827 | 99c475ab | bellard | val = (insn & 0xff) * 4; |
1828 | 99c475ab | bellard | gen_op_movl_T1_im(val); |
1829 | 99c475ab | bellard | gen_op_addl_T0_T1(); |
1830 | 99c475ab | bellard | gen_movl_reg_T0(s, rd); |
1831 | 99c475ab | bellard | break;
|
1832 | 99c475ab | bellard | |
1833 | 99c475ab | bellard | case 11: |
1834 | 99c475ab | bellard | /* misc */
|
1835 | 99c475ab | bellard | op = (insn >> 8) & 0xf; |
1836 | 99c475ab | bellard | switch (op) {
|
1837 | 99c475ab | bellard | case 0: |
1838 | 99c475ab | bellard | /* adjust stack pointer */
|
1839 | 99c475ab | bellard | gen_movl_T1_reg(s, 13);
|
1840 | 99c475ab | bellard | val = (insn & 0x7f) * 4; |
1841 | 99c475ab | bellard | if (insn & (1 << 7)) |
1842 | 99c475ab | bellard | val = -(int32_t)val; |
1843 | 99c475ab | bellard | gen_op_movl_T2_im(val); |
1844 | 99c475ab | bellard | gen_op_addl_T1_T2(); |
1845 | 99c475ab | bellard | gen_movl_reg_T1(s, 13);
|
1846 | 99c475ab | bellard | break;
|
1847 | 99c475ab | bellard | |
1848 | 99c475ab | bellard | case 4: case 5: case 0xc: case 0xd: |
1849 | 99c475ab | bellard | /* push/pop */
|
1850 | 99c475ab | bellard | gen_movl_T1_reg(s, 13);
|
1851 | 99c475ab | bellard | if (insn & (1 << 11)) |
1852 | 99c475ab | bellard | val = 4;
|
1853 | 99c475ab | bellard | else
|
1854 | 99c475ab | bellard | val = -4;
|
1855 | 99c475ab | bellard | gen_op_movl_T2_im(val); |
1856 | 99c475ab | bellard | for (i = 0; i < 8; i++) { |
1857 | 99c475ab | bellard | if (insn & (1 << i)) { |
1858 | 99c475ab | bellard | if (insn & (1 << 11)) { |
1859 | 99c475ab | bellard | /* pop */
|
1860 | 99c475ab | bellard | gen_op_ldl_T0_T1(); |
1861 | 99c475ab | bellard | gen_movl_reg_T0(s, i); |
1862 | 99c475ab | bellard | } else {
|
1863 | 99c475ab | bellard | /* push */
|
1864 | 99c475ab | bellard | gen_movl_T0_reg(s, i); |
1865 | 99c475ab | bellard | gen_op_stl_T0_T1(); |
1866 | 99c475ab | bellard | } |
1867 | 99c475ab | bellard | /* move to the next address */
|
1868 | 99c475ab | bellard | gen_op_addl_T1_T2(); |
1869 | 99c475ab | bellard | } |
1870 | 99c475ab | bellard | } |
1871 | 99c475ab | bellard | if (insn & (1 << 8)) { |
1872 | 99c475ab | bellard | if (insn & (1 << 11)) { |
1873 | 99c475ab | bellard | /* pop pc */
|
1874 | 99c475ab | bellard | gen_op_ldl_T0_T1(); |
1875 | 99c475ab | bellard | /* don't set the pc until the rest of the instruction
|
1876 | 99c475ab | bellard | has completed */
|
1877 | 99c475ab | bellard | } else {
|
1878 | 99c475ab | bellard | /* push lr */
|
1879 | 99c475ab | bellard | gen_movl_T0_reg(s, 14);
|
1880 | 99c475ab | bellard | gen_op_stl_T0_T1(); |
1881 | 99c475ab | bellard | } |
1882 | 99c475ab | bellard | gen_op_addl_T1_T2(); |
1883 | 99c475ab | bellard | } |
1884 | 99c475ab | bellard | |
1885 | 99c475ab | bellard | /* write back the new stack pointer */
|
1886 | 99c475ab | bellard | gen_movl_reg_T1(s, 13);
|
1887 | 99c475ab | bellard | /* set the new PC value */
|
1888 | 99c475ab | bellard | if ((insn & 0x0900) == 0x0900) |
1889 | 99c475ab | bellard | gen_bx(s); |
1890 | 99c475ab | bellard | break;
|
1891 | 99c475ab | bellard | |
1892 | 99c475ab | bellard | default:
|
1893 | 99c475ab | bellard | goto undef;
|
1894 | 99c475ab | bellard | } |
1895 | 99c475ab | bellard | break;
|
1896 | 99c475ab | bellard | |
1897 | 99c475ab | bellard | case 12: |
1898 | 99c475ab | bellard | /* load/store multiple */
|
1899 | 99c475ab | bellard | rn = (insn >> 8) & 0x7; |
1900 | 99c475ab | bellard | gen_movl_T1_reg(s, rn); |
1901 | 99c475ab | bellard | gen_op_movl_T2_im(4);
|
1902 | 99c475ab | bellard | val = 0;
|
1903 | 99c475ab | bellard | for (i = 0; i < 8; i++) { |
1904 | 99c475ab | bellard | if (insn & (1 << i)) { |
1905 | 99c475ab | bellard | /* advance to the next address */
|
1906 | 99c475ab | bellard | if (val)
|
1907 | 99c475ab | bellard | gen_op_addl_T1_T2(); |
1908 | 99c475ab | bellard | else
|
1909 | 99c475ab | bellard | val = 1;
|
1910 | 99c475ab | bellard | if (insn & (1 << 11)) { |
1911 | 99c475ab | bellard | /* load */
|
1912 | 99c475ab | bellard | gen_op_ldl_T0_T1(); |
1913 | 99c475ab | bellard | gen_movl_reg_T0(s, i); |
1914 | 99c475ab | bellard | } else {
|
1915 | 99c475ab | bellard | /* store */
|
1916 | 99c475ab | bellard | gen_movl_T0_reg(s, i); |
1917 | 99c475ab | bellard | gen_op_stl_T0_T1(); |
1918 | 99c475ab | bellard | } |
1919 | 99c475ab | bellard | } |
1920 | 99c475ab | bellard | } |
1921 | 99c475ab | bellard | break;
|
1922 | 99c475ab | bellard | |
1923 | 99c475ab | bellard | case 13: |
1924 | 99c475ab | bellard | /* conditional branch or swi */
|
1925 | 99c475ab | bellard | cond = (insn >> 8) & 0xf; |
1926 | 99c475ab | bellard | if (cond == 0xe) |
1927 | 99c475ab | bellard | goto undef;
|
1928 | 99c475ab | bellard | |
1929 | 99c475ab | bellard | if (cond == 0xf) { |
1930 | 99c475ab | bellard | /* swi */
|
1931 | 99c475ab | bellard | gen_op_movl_T0_im((long)s->pc | 1); |
1932 | 99c475ab | bellard | /* Don't set r15. */
|
1933 | 99c475ab | bellard | gen_op_movl_reg_TN[0][15](); |
1934 | 99c475ab | bellard | gen_op_swi(); |
1935 | 99c475ab | bellard | s->is_jmp = DISAS_JUMP; |
1936 | 99c475ab | bellard | break;
|
1937 | 99c475ab | bellard | } |
1938 | 99c475ab | bellard | /* generate a conditional jump to next instruction */
|
1939 | 99c475ab | bellard | gen_test_cc[cond ^ 1]((long)s->tb, (long)s->pc); |
1940 | 99c475ab | bellard | s->is_jmp = DISAS_JUMP_NEXT; |
1941 | 99c475ab | bellard | gen_movl_T1_reg(s, 15);
|
1942 | 99c475ab | bellard | |
1943 | 99c475ab | bellard | /* jump to the offset */
|
1944 | 99c475ab | bellard | val = (uint32_t)s->pc; |
1945 | 99c475ab | bellard | offset = ((int32_t)insn << 24) >> 24; |
1946 | 99c475ab | bellard | val += (offset << 1) + 2; |
1947 | 99c475ab | bellard | gen_op_jmp((long)s->tb, val);
|
1948 | 99c475ab | bellard | s->is_jmp = DISAS_TB_JUMP; |
1949 | 99c475ab | bellard | break;
|
1950 | 99c475ab | bellard | |
1951 | 99c475ab | bellard | case 14: |
1952 | 99c475ab | bellard | /* unconditional branch */
|
1953 | 99c475ab | bellard | if (insn & (1 << 11)) |
1954 | 99c475ab | bellard | goto undef; /* Second half of a blx */ |
1955 | 99c475ab | bellard | val = (uint32_t)s->pc; |
1956 | 99c475ab | bellard | offset = ((int32_t)insn << 21) >> 21; |
1957 | 99c475ab | bellard | val += (offset << 1) + 2; |
1958 | 99c475ab | bellard | gen_op_jmp((long)s->tb, val);
|
1959 | 99c475ab | bellard | s->is_jmp = DISAS_TB_JUMP; |
1960 | 99c475ab | bellard | break;
|
1961 | 99c475ab | bellard | |
1962 | 99c475ab | bellard | case 15: |
1963 | 99c475ab | bellard | /* branch and link [and switch to arm] */
|
1964 | 99c475ab | bellard | offset = ((int32_t)insn << 21) >> 10; |
1965 | 99c475ab | bellard | insn = lduw(s->pc); |
1966 | 99c475ab | bellard | offset |= insn & 0x7ff;
|
1967 | 99c475ab | bellard | |
1968 | 99c475ab | bellard | val = (uint32_t)s->pc + 2;
|
1969 | 99c475ab | bellard | gen_op_movl_T1_im(val | 1);
|
1970 | 99c475ab | bellard | gen_movl_reg_T1(s, 14);
|
1971 | 99c475ab | bellard | |
1972 | 99c475ab | bellard | val += offset; |
1973 | 99c475ab | bellard | if (insn & (1 << 11)) { |
1974 | 99c475ab | bellard | /* bl */
|
1975 | 99c475ab | bellard | gen_op_jmp((long)s->tb, val);
|
1976 | 99c475ab | bellard | s->is_jmp = DISAS_TB_JUMP; |
1977 | 99c475ab | bellard | } else {
|
1978 | 99c475ab | bellard | /* blx */
|
1979 | 99c475ab | bellard | gen_op_movl_T0_im(val); |
1980 | 99c475ab | bellard | gen_bx(s); |
1981 | 99c475ab | bellard | } |
1982 | 99c475ab | bellard | } |
1983 | 99c475ab | bellard | return;
|
1984 | 99c475ab | bellard | undef:
|
1985 | 99c475ab | bellard | gen_op_movl_T0_im((long)s->pc - 4); |
1986 | 99c475ab | bellard | gen_op_movl_reg_TN[0][15](); |
1987 | 99c475ab | bellard | gen_op_undef_insn(); |
1988 | 99c475ab | bellard | s->is_jmp = DISAS_JUMP; |
1989 | 99c475ab | bellard | } |
1990 | 99c475ab | bellard | |
1991 | 2c0262af | bellard | /* generate intermediate code in gen_opc_buf and gen_opparam_buf for
|
1992 | 2c0262af | bellard | basic block 'tb'. If search_pc is TRUE, also generate PC
|
1993 | 2c0262af | bellard | information for each intermediate instruction. */
|
1994 | 2c0262af | bellard | static inline int gen_intermediate_code_internal(CPUState *env, |
1995 | 2c0262af | bellard | TranslationBlock *tb, |
1996 | 2c0262af | bellard | int search_pc)
|
1997 | 2c0262af | bellard | { |
1998 | 2c0262af | bellard | DisasContext dc1, *dc = &dc1; |
1999 | 2c0262af | bellard | uint16_t *gen_opc_end; |
2000 | 2c0262af | bellard | int j, lj;
|
2001 | 0fa85d43 | bellard | target_ulong pc_start; |
2002 | 2c0262af | bellard | |
2003 | 2c0262af | bellard | /* generate intermediate code */
|
2004 | 0fa85d43 | bellard | pc_start = tb->pc; |
2005 | 2c0262af | bellard | |
2006 | 2c0262af | bellard | dc->tb = tb; |
2007 | 2c0262af | bellard | |
2008 | 2c0262af | bellard | gen_opc_ptr = gen_opc_buf; |
2009 | 2c0262af | bellard | gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
2010 | 2c0262af | bellard | gen_opparam_ptr = gen_opparam_buf; |
2011 | 2c0262af | bellard | |
2012 | 2c0262af | bellard | dc->is_jmp = DISAS_NEXT; |
2013 | 2c0262af | bellard | dc->pc = pc_start; |
2014 | 2c0262af | bellard | lj = -1;
|
2015 | 2c0262af | bellard | do {
|
2016 | 2c0262af | bellard | if (search_pc) {
|
2017 | 2c0262af | bellard | j = gen_opc_ptr - gen_opc_buf; |
2018 | 2c0262af | bellard | if (lj < j) {
|
2019 | 2c0262af | bellard | lj++; |
2020 | 2c0262af | bellard | while (lj < j)
|
2021 | 2c0262af | bellard | gen_opc_instr_start[lj++] = 0;
|
2022 | 2c0262af | bellard | } |
2023 | 0fa85d43 | bellard | gen_opc_pc[lj] = dc->pc; |
2024 | 2c0262af | bellard | gen_opc_instr_start[lj] = 1;
|
2025 | 2c0262af | bellard | } |
2026 | 99c475ab | bellard | if (env->thumb)
|
2027 | 99c475ab | bellard | disas_thumb_insn(dc); |
2028 | 99c475ab | bellard | else
|
2029 | b7bcbe95 | bellard | disas_arm_insn(env, dc); |
2030 | 2c0262af | bellard | } while (!dc->is_jmp && gen_opc_ptr < gen_opc_end &&
|
2031 | 2c0262af | bellard | (dc->pc - pc_start) < (TARGET_PAGE_SIZE - 32));
|
2032 | 2c0262af | bellard | switch(dc->is_jmp) {
|
2033 | 2c0262af | bellard | case DISAS_JUMP_NEXT:
|
2034 | 2c0262af | bellard | case DISAS_NEXT:
|
2035 | 2c0262af | bellard | gen_op_jmp((long)dc->tb, (long)dc->pc); |
2036 | 2c0262af | bellard | break;
|
2037 | 2c0262af | bellard | default:
|
2038 | 2c0262af | bellard | case DISAS_JUMP:
|
2039 | 99c475ab | bellard | case DISAS_UPDATE:
|
2040 | 2c0262af | bellard | /* indicate that the hash table must be used to find the next TB */
|
2041 | 2c0262af | bellard | gen_op_movl_T0_0(); |
2042 | 2c0262af | bellard | gen_op_exit_tb(); |
2043 | 2c0262af | bellard | break;
|
2044 | 2c0262af | bellard | case DISAS_TB_JUMP:
|
2045 | 2c0262af | bellard | /* nothing more to generate */
|
2046 | 2c0262af | bellard | break;
|
2047 | 2c0262af | bellard | } |
2048 | 2c0262af | bellard | *gen_opc_ptr = INDEX_op_end; |
2049 | 2c0262af | bellard | |
2050 | 2c0262af | bellard | #ifdef DEBUG_DISAS
|
2051 | e19e89a5 | bellard | if (loglevel & CPU_LOG_TB_IN_ASM) {
|
2052 | 2c0262af | bellard | fprintf(logfile, "----------------\n");
|
2053 | 2c0262af | bellard | fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
|
2054 | 0fa85d43 | bellard | target_disas(logfile, pc_start, dc->pc - pc_start, 0);
|
2055 | 2c0262af | bellard | fprintf(logfile, "\n");
|
2056 | e19e89a5 | bellard | if (loglevel & (CPU_LOG_TB_OP)) {
|
2057 | e19e89a5 | bellard | fprintf(logfile, "OP:\n");
|
2058 | e19e89a5 | bellard | dump_ops(gen_opc_buf, gen_opparam_buf); |
2059 | e19e89a5 | bellard | fprintf(logfile, "\n");
|
2060 | e19e89a5 | bellard | } |
2061 | 2c0262af | bellard | } |
2062 | 2c0262af | bellard | #endif
|
2063 | 2c0262af | bellard | if (!search_pc)
|
2064 | 2c0262af | bellard | tb->size = dc->pc - pc_start; |
2065 | 2c0262af | bellard | return 0; |
2066 | 2c0262af | bellard | } |
2067 | 2c0262af | bellard | |
2068 | 2c0262af | bellard | int gen_intermediate_code(CPUState *env, TranslationBlock *tb)
|
2069 | 2c0262af | bellard | { |
2070 | 2c0262af | bellard | return gen_intermediate_code_internal(env, tb, 0); |
2071 | 2c0262af | bellard | } |
2072 | 2c0262af | bellard | |
2073 | 2c0262af | bellard | int gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb)
|
2074 | 2c0262af | bellard | { |
2075 | 2c0262af | bellard | return gen_intermediate_code_internal(env, tb, 1); |
2076 | 2c0262af | bellard | } |
2077 | 2c0262af | bellard | |
2078 | 2c0262af | bellard | CPUARMState *cpu_arm_init(void)
|
2079 | 2c0262af | bellard | { |
2080 | 2c0262af | bellard | CPUARMState *env; |
2081 | 2c0262af | bellard | |
2082 | 2c0262af | bellard | cpu_exec_init(); |
2083 | 2c0262af | bellard | |
2084 | 2c0262af | bellard | env = malloc(sizeof(CPUARMState));
|
2085 | 2c0262af | bellard | if (!env)
|
2086 | 2c0262af | bellard | return NULL; |
2087 | 2c0262af | bellard | memset(env, 0, sizeof(CPUARMState)); |
2088 | 7496f526 | bellard | cpu_single_env = env; |
2089 | 2c0262af | bellard | return env;
|
2090 | 2c0262af | bellard | } |
2091 | 2c0262af | bellard | |
2092 | 2c0262af | bellard | void cpu_arm_close(CPUARMState *env)
|
2093 | 2c0262af | bellard | { |
2094 | 2c0262af | bellard | free(env); |
2095 | 2c0262af | bellard | } |
2096 | 2c0262af | bellard | |
2097 | 7fe48483 | bellard | void cpu_dump_state(CPUState *env, FILE *f,
|
2098 | 7fe48483 | bellard | int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
2099 | 7fe48483 | bellard | int flags)
|
2100 | 2c0262af | bellard | { |
2101 | 2c0262af | bellard | int i;
|
2102 | b7bcbe95 | bellard | struct {
|
2103 | b7bcbe95 | bellard | uint32_t i; |
2104 | b7bcbe95 | bellard | float s;
|
2105 | b7bcbe95 | bellard | } s0, s1; |
2106 | b7bcbe95 | bellard | CPU_DoubleU d; |
2107 | 2c0262af | bellard | |
2108 | 2c0262af | bellard | for(i=0;i<16;i++) { |
2109 | 7fe48483 | bellard | cpu_fprintf(f, "R%02d=%08x", i, env->regs[i]);
|
2110 | 2c0262af | bellard | if ((i % 4) == 3) |
2111 | 7fe48483 | bellard | cpu_fprintf(f, "\n");
|
2112 | 2c0262af | bellard | else
|
2113 | 7fe48483 | bellard | cpu_fprintf(f, " ");
|
2114 | 2c0262af | bellard | } |
2115 | 7fe48483 | bellard | cpu_fprintf(f, "PSR=%08x %c%c%c%c\n",
|
2116 | b7bcbe95 | bellard | env->cpsr, |
2117 | 2c0262af | bellard | env->cpsr & (1 << 31) ? 'N' : '-', |
2118 | 2c0262af | bellard | env->cpsr & (1 << 30) ? 'Z' : '-', |
2119 | 2c0262af | bellard | env->cpsr & (1 << 29) ? 'C' : '-', |
2120 | 2c0262af | bellard | env->cpsr & (1 << 28) ? 'V' : '-'); |
2121 | b7bcbe95 | bellard | |
2122 | b7bcbe95 | bellard | for (i = 0; i < 16; i++) { |
2123 | b7bcbe95 | bellard | s0.s = env->vfp.regs.s[i * 2];
|
2124 | b7bcbe95 | bellard | s1.s = env->vfp.regs.s[i * 2 + 1]; |
2125 | b7bcbe95 | bellard | d.d = env->vfp.regs.d[i]; |
2126 | b7bcbe95 | bellard | cpu_fprintf(f, "s%02d=%08x(%8f) s%02d=%08x(%8f) d%02d=%08x%08x(%8f)\n",
|
2127 | b7bcbe95 | bellard | i * 2, (int)s0.i, s0.s, |
2128 | b7bcbe95 | bellard | i * 2 + 1, (int)s0.i, s0.s, |
2129 | b7bcbe95 | bellard | i, (int)(uint32_t)d.l.upper, (int)(uint32_t)d.l.lower, |
2130 | b7bcbe95 | bellard | d.d); |
2131 | b7bcbe95 | bellard | cpu_fprintf(f, "FPSCR: %08x\n", (int)env->vfp.fpscr); |
2132 | b7bcbe95 | bellard | } |
2133 | 2c0262af | bellard | } |
2134 | a6b025d3 | bellard | |
2135 | a6b025d3 | bellard | target_ulong cpu_get_phys_page_debug(CPUState *env, target_ulong addr) |
2136 | a6b025d3 | bellard | { |
2137 | a6b025d3 | bellard | return addr;
|
2138 | a6b025d3 | bellard | } |
2139 | b8a9e8f1 | bellard | |
2140 | b8a9e8f1 | bellard | #if defined(CONFIG_USER_ONLY)
|
2141 | b8a9e8f1 | bellard | |
2142 | b8a9e8f1 | bellard | int cpu_arm_handle_mmu_fault (CPUState *env, target_ulong address, int rw, |
2143 | b8a9e8f1 | bellard | int is_user, int is_softmmu) |
2144 | b8a9e8f1 | bellard | { |
2145 | b8a9e8f1 | bellard | env->cp15_6 = address; |
2146 | b8a9e8f1 | bellard | if (rw == 2) { |
2147 | b8a9e8f1 | bellard | env->exception_index = EXCP_PREFETCH_ABORT; |
2148 | b8a9e8f1 | bellard | } else {
|
2149 | b8a9e8f1 | bellard | env->exception_index = EXCP_DATA_ABORT; |
2150 | b8a9e8f1 | bellard | } |
2151 | b8a9e8f1 | bellard | return 1; |
2152 | b8a9e8f1 | bellard | } |
2153 | b8a9e8f1 | bellard | |
2154 | b8a9e8f1 | bellard | #else
|
2155 | b8a9e8f1 | bellard | |
2156 | b8a9e8f1 | bellard | #error not implemented
|
2157 | b8a9e8f1 | bellard | |
2158 | b8a9e8f1 | bellard | #endif |