one_byte_opcodes.isa revision 4276:f0030662ee2a 
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54// Authors: Gabe Black
55
56////////////////////////////////////////////////////////////////////
57//
58// Decode the one byte opcodes
59//
60
610x1: decode OPCODE_OP_TOP5 {
62    format WarnUnimpl {
63        0x00: decode OPCODE_OP_BOTTOM3 {
64            0x0: add_Eb_Gb();
65            0x1: add_Ev_Gv();
66            0x2: add_Gb_Eb();
67            0x3: add_Gv_Ev();
68            0x4: add_Al_Ib();
69            0x5: add_rAX_Iz();
70            0x6: push_ES();
71            0x7: pop_ES();
72        }
73        0x01: decode OPCODE_OP_BOTTOM3 {
74            0x0: or_Eb_Gb();
75            0x1: or_Ev_Gv();
76            0x2: or_Gb_Eb();
77            0x3: or_Gv_Ev();
78            0x4: or_Al_Ib();
79            0x5: or_rAX_Iz();
80            0x6: push_CS();
81            //Any time this is seen, it should generate a two byte opcode
82            0x7: M5InternalError::error(
83                {{"Saw a one byte opcode whose value was 0x0F!"}});
84        }
85        0x02: decode OPCODE_OP_BOTTOM3 {
86            0x0: adc_Eb_Gb();
87            0x1: adc_Ev_Gv();
88            0x2: adc_Gb_Eb();
89            0x3: adc_Gv_Ev();
90            0x4: adc_Al_Ib();
91            0x5: adc_rAX_Iz();
92            0x6: push_SS();
93            0x7: pop_SS();
94        }
95        0x03: decode OPCODE_OP_BOTTOM3 {
96            0x0: sbb_Eb_Gb();
97            0x1: sbb_Ev_Gv();
98            0x2: sbb_Gb_Eb();
99            0x3: sbb_Gv_Ev();
100            0x4: sbb_Al_Ib();
101            0x5: sbb_rAX_Iz();
102            0x6: push_DS();
103            0x7: pop_DS();
104        }
105        0x04: decode OPCODE_OP_BOTTOM3 {
106            0x0: and_Eb_Gb();
107            0x1: and_Ev_Gv();
108            0x2: and_Gb_Eb();
109            0x3: and_Gv_Ev();
110            0x4: and_Al_Ib();
111            0x5: and_rAX_Iz();
112            0x6: M5InternalError::error(
113                {{"Tried to execute the ES segment override prefix!"}});
114            0x7: daa();
115        }
116        0x05: decode OPCODE_OP_BOTTOM3 {
117            0x0: sub_Eb_Gb();
118            0x1: sub_Ev_Gv();
119            0x2: sub_Gb_Eb();
120            0x3: sub_Gv_Ev();
121            0x4: sub_Al_Ib();
122            0x5: sub_rAX_Iz();
123            0x6: M5InternalError::error(
124                {{"Tried to execute the CS segment override prefix!"}});
125            0x7: das();
126        }
127        0x06: decode OPCODE_OP_BOTTOM3 {
128            0x0: xor_Eb_Gb();
129            0x1: xor_Ev_Gv();
130            0x2: xor_Gb_Eb();
131            0x3: xor_Gv_Ev();
132            0x4: xor_Al_Ib();
133            0x5: xor_rAX_Iz();
134            0x6: M5InternalError::error(
135                {{"Tried to execute the SS segment override prefix!"}});
136            0x7: aaa();
137        }
138        0x07: decode OPCODE_OP_BOTTOM3 {
139            0x0: cmp_Eb_Gb();
140            0x1: cmp_Ev_Gv();
141            0x2: cmp_Gb_Eb();
142            0x3: cmp_Gv_Ev();
143            0x4: cmp_Al_Ib();
144            0x5: cmp_rAX_Iz();
145            0x6: M5InternalError::error(
146                {{"Tried to execute the DS segment override prefix!"}});
147            0x7: aas();
148        }
149        0x08: decode OPCODE_OP_BOTTOM3 {
150            0x0: inc_eAX();
151            0x1: inc_eCX();
152            0x2: inc_eDX();
153            0x3: inc_eBX();
154            0x4: inc_eSP();
155            0x5: inc_eBP();
156            0x6: inc_eSI();
157            0x7: inc_eDI();
158        }
159        0x09: decode OPCODE_OP_BOTTOM3 {
160            0x0: dec_eAX();
161            0x1: dec_eCX();
162            0x2: dec_eDX();
163            0x3: dec_eBX();
164            0x4: dec_eSP();
165            0x5: dec_eBP();
166            0x6: dec_eSI();
167            0x7: dec_eDI();
168        }
169        0x0A: decode OPCODE_OP_BOTTOM3 {
170            0x0: push_rAX();
171            0x1: push_rCX();
172            0x2: push_rDX();
173            0x3: push_rBX();
174            0x4: push_rSP();
175            0x5: push_rBP();
176            0x6: push_rSI();
177            0x7: push_rDI();
178        }
179        0x0B: decode OPCODE_OP_BOTTOM3 {
180            0x0: pop_rAX();
181            0x1: pop_rCX();
182            0x2: pop_rDX();
183            0x3: pop_rBX();
184            0x4: pop_rSP();
185            0x5: pop_rBP();
186            0x6: pop_rSI();
187            0x7: pop_rDI();
188        }
189        0x0C: decode OPCODE_OP_BOTTOM3 {
190            0x0: pusha();
191            0x1: popa();
192            0x2: bound_Gv_Ma();
193            0x3: arpl_Ew_Gw();
194            0x4: M5InternalError::error(
195                {{"Tried to execute the FS segment override prefix!"}});
196            0x5: M5InternalError::error(
197                {{"Tried to execute the GS segment override prefix!"}});
198            0x6: M5InternalError::error(
199                {{"Tried to execute the operand size override prefix!"}});
200            0x7: M5InternalError::error(
201                {{"Tried to execute the DS address size override prefix!"}});
202        }
203        0x0D: decode OPCODE_OP_BOTTOM3 {
204            0x0: push_Iz();
205            0x1: imul_Gv_Ev_Iz();
206            0x2: push_Ib();
207            0x3: imul_Gv_Ev_Ib();
208            0x4: ins_Yb_Dx();
209            0x5: ins_Yz_Dx();
210            0x6: outs_Dx_Xb();
211            0x7: outs_Dx_Xz();
212        }
213        0x0E: decode OPCODE_OP_BOTTOM3 {
214            0x0: jo_Jb();
215            0x1: jno_Jb();
216            0x2: jb_Jb();
217            0x3: jnb_Jb();
218            0x4: jz_Jb();
219            0x5: jnz_Jb();
220            0x6: jbe_Jb();
221            0x7: jnbe_Jb();
222        }
223        0x0F: decode OPCODE_OP_BOTTOM3 {
224            0x0: js_Jb();
225            0x1: jns_Jb();
226            0x2: jp_Jb();
227            0x3: jnp_Jb();
228            0x4: jl_Jb();
229            0x5: jnl_Jb();
230            0x6: jle_Jb();
231            0x7: jnke_Jb();
232        }
233        0x10: decode OPCODE_OP_BOTTOM3 {
234            0x0: group1_Eb_Ib();
235            0x1: group1_Ev_Iz();
236            0x2: group1_Eb_Ib();
237            0x3: group1_Ev_Ib();
238            0x4: test_Eb_Gb();
239            0x5: test_Ev_Gv();
240            0x6: xchg_Eb_Gb();
241            0x7: xchg_Ev_Gv();
242        }
243        0x11: decode OPCODE_OP_BOTTOM3 {
244            0x0: mov_Eb_Gb();
245            0x1: mov_Ev_Gv();
246            0x2: mov_Gb_Eb();
247            0x3: mov_Gv_Ev();
248            0x4: mov_MwRv_Sw();
249            0x5: lea_Gv_M();
250            0x6: mov_Sw_MwRv();
251            0x7: group10_Ev(); //Make sure this is Ev
252        }
253        0x12: decode OPCODE_OP_BOTTOM3 {
254            0x0: nop_or_pause(); //Check for repe prefix
255            0x1: xchg_rCX_rAX();
256            0x2: xchg_rDX_rAX();
257            0x3: xchg_rVX_rAX();
258            0x4: xchg_rSP_rAX();
259            0x5: xchg_rBP_rAX();
260            0x6: xchg_rSI_rAX();
261            0x7: xchg_rDI_rAX();
262        }
263        0x13: decode OPCODE_OP_BOTTOM3 {
264            0x0: cbw_or_cwde_or_cdqe_rAX();
265            0x1: cwd_or_cdq_or_cqo_rAX_rDX();
266            0x2: call_Ap();
267            0x3: fwait(); //aka wait
268            0x4: pushf_Fv();
269            0x5: popf_Fv();
270            0x6: sahf();
271            0x7: lahf();
272        }
273        0x14: decode OPCODE_OP_BOTTOM3 {
274            0x0: mov_Al_Ob();
275            0x1: mov_rAX_Ov();
276            0x2: mov_Ob_Al();
277            0x3: mov_Ov_rAX();
278            0x4: movs_Yb_Xb();
279            0x5: movs_Yv_Xv();
280            0x6: cmps_Yb_Xb();
281            0x7: cmps_Yv_Xv();
282        }
283        0x15: decode OPCODE_OP_BOTTOM3 {
284            0x0: test_Al_Ib();
285            0x1: test_rAX_Iz();
286            0x2: stos_Yb_Al();
287            0x3: stos_Yv_rAX();
288            0x4: lods_Al_Xb();
289            0x5: lods_rAX_Xv();
290            0x6: scas_Yb_Al();
291            0x7: scas_Yv_rAX();
292        }
293        0x16: decode OPCODE_OP_BOTTOM3 {
294            0x0: mov_Al_Ib();
295            0x1: mov_Cl_Ib();
296            0x2: mov_Dl_Ib();
297            0x3: mov_Bl_Ib();
298            0x4: mov_Ah_Ib();
299            0x5: mov_Ch_Ib();
300            0x6: mov_Dh_Ib();
301            0x7: mov_Bh_Ib();
302        }
303        0x17: decode OPCODE_OP_BOTTOM3 {
304            0x0: mov_rAX_Iv();
305            0x1: mov_rCX_Iv();
306            0x2: mov_rDX_Iv();
307            0x3: mov_rBX_Iv();
308            0x4: mov_rSP_Iv();
309            0x5: mov_rBP_Iv();
310            0x6: mov_rSI_Iv();
311            0x7: mov_rDI_Iv();
312        }
313        0x18: decode OPCODE_OP_BOTTOM3 {
314            0x0: group2_Eb_Ib();
315            0x1: group2_Ev_Ib();
316            0x2: ret_near_Iw();
317            0x3: ret_near();
318            0x4: les_Gz_Mp();
319            0x5: lds_Gz_Mp();
320            0x6: group12_Eb_Ib();
321            0x7: group12_Ev_Iz();
322        }
323        0x19: decode OPCODE_OP_BOTTOM3 {
324            0x0: enter_Iw_Ib();
325            0x1: leave();
326            0x2: ret_far_Iw();
327            0x3: ret_far();
328            0x4: int3();
329            0x5: int_Ib();
330            0x6: into();
331            0x7: iret();
332        }
333        0x1A: decode OPCODE_OP_BOTTOM3 {
334            0x0: group2_Eb_1();
335            0x1: group2_Ev_1();
336            0x2: group2_Eb_Cl();
337            0x3: group2_Ev_Cl();
338            0x4: aam_Ib();
339            0x5: aad_Ib();
340            0x6: salc();
341            0x7: xlat();
342        }
343        0x1B: decode OPCODE_OP_BOTTOM3 {
344            0x0: esc0();
345            0x1: esc1();
346            0x2: esc2();
347            0x3: esc3();
348            0x4: esc4();
349            0x5: esc5();
350            0x6: esc6();
351            0x7: esc7();
352        }
353        0x1C: decode OPCODE_OP_BOTTOM3 {
354            0x0: loopne_Jb();
355            0x1: loope_Jb();
356            0x2: loop_Jb();
357            0x3: jcxz_or_jecx_or_jrcx();
358            0x4: in_Al_Ib();
359            0x5: in_eAX_Ib();
360            0x6: out_Ib_Al();
361            0x7: out_Ib_eAX();
362        }
363        0x1D: decode OPCODE_OP_BOTTOM3 {
364            0x0: call_Jz();
365            0x1: jmp_Jz();
366            0x2: jmp_Ap();
367            0x3: jmp_Jb();
368            0x4: in_Al_Dx();
369            0x5: in_eAX_Dx();
370            0x6: out_Dx_Al();
371            0x7: out_Dx_eAX();
372        }
373        0x1E: decode OPCODE_OP_BOTTOM3 {
374            0x0: M5InternalError::error(
375                {{"Tried to execute the lock prefix!"}});
376            0x1: int1();
377            0x2: M5InternalError::error(
378                {{"Tried to execute the repne prefix!"}});
379            0x3: M5InternalError::error(
380                {{"Tried to execute the rep/repe prefix!"}});
381            0x4: hlt();
382            0x5: cmc();
383            0x6: group3_Eb();
384            0x7: group3_Ev();
385        }
386        0x1F: decode OPCODE_OP_BOTTOM3 {
387            0x0: clc();
388            0x1: stc();
389            0x2: cli();
390            0x3: sti();
391            0x4: cld();
392            0x5: std();
393            0x6: group4();
394            0x7: group5();
395        }
396    }
397    default: FailUnimpl::oneByteOps();
398}
399