API tools faq
paste
Advertisement
dominus

Untitled

dominus
Oct 3rd, 2020
313
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
text 17.72 KB | None | 0 0
raw download clone embed print report
  1. MMAPS: 0x11b57c000 0xffffffffffffffff
  2. createcacheblock1
  3. createcacheblock2
  4. createcacheblock3
  5. createcacheblock4
  6. createcacheblock4a
  7. createcacheblock4b
  8. createcacheblock6
  9. createcacheblock4
  10. createcacheblock4a
  11. createcacheblock4b
  12. createcacheblock6
  13. zsh: segmentation fault ./src/dosbox
  14.  
  15.  
  16. static CacheBlockDynRec * CreateCacheBlock(CodePageHandlerDynRec * codepage,PhysPt start,Bitu max_opcodes) {
  17. LOG_MSG("createcacheblock1");
  18. // initialize a load of variables
  19. decode.code_start=start;
  20. decode.code=start;
  21. decode.page.code=codepage;
  22. decode.page.index=start&4095;
  23. decode.page.wmap=codepage->write_map;
  24. decode.page.invmap=codepage->invalidation_map;
  25. decode.page.first=start >> 12;
  26. decode.active_block=decode.block=cache_openblock();
  27. decode.block->page.start=(Bit16u)decode.page.index;
  28. codepage->AddCacheBlock(decode.block);
  29. LOG_MSG("createcacheblock2");
  30. InitFlagsOptimization();
  31.  
  32. // every codeblock that is run sets cache.block.running to itself
  33. // so the block linking knows the last executed block
  34. gen_mov_direct_ptr(&cache.block.running,(DRC_PTR_SIZE_IM)decode.block);
  35.  
  36. // start with the cycles check
  37. gen_mov_word_to_reg(FC_RETOP,&CPU_Cycles,true);
  38. save_info_dynrec[used_save_info_dynrec].branch_pos=gen_create_branch_long_leqzero(FC_RETOP);
  39. save_info_dynrec[used_save_info_dynrec].type=cycle_check;
  40. used_save_info_dynrec++;
  41. LOG_MSG("createcacheblock3");
  42. decode.cycles=0;
  43. while (max_opcodes--) {
  44. // Init prefixes
  45. decode.big_addr=cpu.code.big;
  46. decode.big_op=cpu.code.big;
  47. decode.seg_prefix=0;
  48. decode.seg_prefix_used=false;
  49. decode.rep=REP_NONE;
  50. decode.cycles++;
  51. decode.op_start=decode.code;
  52. restart_prefix:
  53. Bitu opcode;
  54. LOG_MSG("createcacheblock4");
  55. if (!decode.page.invmap){
  56. LOG_MSG("createcacheblock4a");
  57. opcode=decode_fetchb();
  58. LOG_MSG("createcacheblock4b");}
  59. else {
  60. // some entries in the invalidation map, see if the next
  61. // instruction is known to be modified a lot
  62. LOG_MSG("createcacheblock5");
  63. if (decode.page.index<4096) {
  64. if (GCC_UNLIKELY(decode.page.invmap[decode.page.index]>=4)) goto illegalopcode;
  65. opcode=decode_fetchb();
  66. } else {
  67. // switch to the next page
  68. opcode=decode_fetchb();
  69. if (GCC_UNLIKELY(decode.page.invmap &&
  70. (decode.page.invmap[decode.page.index-1]>=4))) goto illegalopcode;
  71. }
  72. }
  73. LOG_MSG("createcacheblock6");
  74. switch (opcode) {
  75. LOG_MSG("createcacheblock7");
  76. // instructions 'op reg8,reg8' and 'op [],reg8'
  77. case 0x00:dyn_dop_ebgb(DOP_ADD);break;
  78. case 0x08:dyn_dop_ebgb(DOP_OR);break;
  79. case 0x10:dyn_dop_ebgb(DOP_ADC);break;
  80. case 0x18:dyn_dop_ebgb(DOP_SBB);break;
  81. case 0x20:dyn_dop_ebgb(DOP_AND);break;
  82. case 0x28:dyn_dop_ebgb(DOP_SUB);break;
  83. case 0x30:dyn_dop_ebgb(DOP_XOR);break;
  84. case 0x38:dyn_dop_ebgb(DOP_CMP);break;
  85.  
  86. // instructions 'op reg8,reg8' and 'op reg8,[]'
  87. case 0x02:dyn_dop_gbeb(DOP_ADD);break;
  88. case 0x0a:dyn_dop_gbeb(DOP_OR);break;
  89. case 0x12:dyn_dop_gbeb(DOP_ADC);break;
  90. case 0x1a:dyn_dop_gbeb(DOP_SBB);break;
  91. case 0x22:dyn_dop_gbeb(DOP_AND);break;
  92. case 0x2a:dyn_dop_gbeb(DOP_SUB);break;
  93. case 0x32:dyn_dop_gbeb(DOP_XOR);break;
  94. case 0x3a:dyn_dop_gbeb(DOP_CMP);break;
  95.  
  96. // instructions 'op reg16/32,reg16/32' and 'op [],reg16/32'
  97. case 0x01:dyn_dop_evgv(DOP_ADD);break;
  98. case 0x09:dyn_dop_evgv(DOP_OR);break;
  99. case 0x11:dyn_dop_evgv(DOP_ADC);break;
  100. case 0x19:dyn_dop_evgv(DOP_SBB);break;
  101. case 0x21:dyn_dop_evgv(DOP_AND);break;
  102. case 0x29:dyn_dop_evgv(DOP_SUB);break;
  103. case 0x31:dyn_dop_evgv(DOP_XOR);break;
  104. case 0x39:dyn_dop_evgv(DOP_CMP);break;
  105.  
  106. // instructions 'op reg16/32,reg16/32' and 'op reg16/32,[]'
  107. case 0x03:dyn_dop_gvev(DOP_ADD);break;
  108. case 0x0b:dyn_dop_gvev(DOP_OR);break;
  109. case 0x13:dyn_dop_gvev(DOP_ADC);break;
  110. case 0x1b:dyn_dop_gvev(DOP_SBB);break;
  111. case 0x23:dyn_dop_gvev(DOP_AND);break;
  112. case 0x2b:dyn_dop_gvev(DOP_SUB);break;
  113. case 0x33:dyn_dop_gvev(DOP_XOR);break;
  114. case 0x3b:dyn_dop_gvev(DOP_CMP);break;
  115.  
  116. // instructions 'op reg8,imm8'
  117. case 0x04:dyn_dop_byte_imm(DOP_ADD,DRC_REG_EAX,0);break;
  118. case 0x0c:dyn_dop_byte_imm(DOP_OR,DRC_REG_EAX,0);break;
  119. case 0x14:dyn_dop_byte_imm(DOP_ADC,DRC_REG_EAX,0);break;
  120. case 0x1c:dyn_dop_byte_imm(DOP_SBB,DRC_REG_EAX,0);break;
  121. case 0x24:dyn_dop_byte_imm(DOP_AND,DRC_REG_EAX,0);break;
  122. case 0x2c:dyn_dop_byte_imm(DOP_SUB,DRC_REG_EAX,0);break;
  123. case 0x34:dyn_dop_byte_imm(DOP_XOR,DRC_REG_EAX,0);break;
  124. case 0x3c:dyn_dop_byte_imm(DOP_CMP,DRC_REG_EAX,0);break;
  125.  
  126. // instructions 'op reg16/32,imm16/32'
  127. case 0x05:dyn_dop_word_imm(DOP_ADD,DRC_REG_EAX);break;
  128. case 0x0d:dyn_dop_word_imm_old(DOP_OR,DRC_REG_EAX,decode.big_op ? decode_fetchd() : decode_fetchw());break;
  129. case 0x15:dyn_dop_word_imm_old(DOP_ADC,DRC_REG_EAX,decode.big_op ? decode_fetchd() : decode_fetchw());break;
  130. case 0x1d:dyn_dop_word_imm_old(DOP_SBB,DRC_REG_EAX,decode.big_op ? decode_fetchd() : decode_fetchw());break;
  131. case 0x25:dyn_dop_word_imm(DOP_AND,DRC_REG_EAX);break;
  132. case 0x2d:dyn_dop_word_imm_old(DOP_SUB,DRC_REG_EAX,decode.big_op ? decode_fetchd() : decode_fetchw());break;
  133. case 0x35:dyn_dop_word_imm_old(DOP_XOR,DRC_REG_EAX,decode.big_op ? decode_fetchd() : decode_fetchw());break;
  134. case 0x3d:dyn_dop_word_imm_old(DOP_CMP,DRC_REG_EAX,decode.big_op ? decode_fetchd() : decode_fetchw());break;
  135.  
  136. // push segment register onto stack
  137. case 0x06:dyn_push_seg(DRC_SEG_ES);break;
  138. case 0x0e:dyn_push_seg(DRC_SEG_CS);break;
  139. case 0x16:dyn_push_seg(DRC_SEG_SS);break;
  140. case 0x1e:dyn_push_seg(DRC_SEG_DS);break;
  141.  
  142. // pop segment register from stack
  143. case 0x07:dyn_pop_seg(DRC_SEG_ES);break;
  144. case 0x17:dyn_pop_seg(DRC_SEG_SS);break;
  145. case 0x1f:dyn_pop_seg(DRC_SEG_DS);break;
  146.  
  147. // segment prefixes
  148. case 0x26:dyn_segprefix(DRC_SEG_ES);goto restart_prefix;
  149. case 0x2e:dyn_segprefix(DRC_SEG_CS);goto restart_prefix;
  150. case 0x36:dyn_segprefix(DRC_SEG_SS);goto restart_prefix;
  151. case 0x3e:dyn_segprefix(DRC_SEG_DS);goto restart_prefix;
  152. case 0x64:dyn_segprefix(DRC_SEG_FS);goto restart_prefix;
  153. case 0x65:dyn_segprefix(DRC_SEG_GS);goto restart_prefix;
  154.  
  155. // case 0x27: DAA missing
  156. // case 0x2f: DAS missing
  157. // case 0x37: AAA missing
  158. // case 0x3f: AAS missing
  159.  
  160. // dual opcodes
  161. case 0x0f:
  162. {
  163. LOG_MSG("createcacheblock8");
  164. Bitu dual_code=decode_fetchb();
  165. switch (dual_code) {
  166. case 0x00:
  167. if ((reg_flags & FLAG_VM) || (!cpu.pmode)) goto illegalopcode;
  168. dyn_grp6();
  169. break;
  170. case 0x01:
  171. if (dyn_grp7()) goto finish_block;
  172. break;
  173. /* case 0x02:
  174. if ((reg_flags & FLAG_VM) || (!cpu.pmode)) goto illegalopcode;
  175. dyn_larlsl(true);
  176. break;
  177. case 0x03:
  178. if ((reg_flags & FLAG_VM) || (!cpu.pmode)) goto illegalopcode;
  179. dyn_larlsl(false);
  180. break; */
  181.  
  182. case 0x20:dyn_mov_from_crx();break;
  183. case 0x22:dyn_mov_to_crx();goto finish_block;
  184.  
  185. // short conditional jumps
  186. case 0x80:case 0x81:case 0x82:case 0x83:case 0x84:case 0x85:case 0x86:case 0x87:
  187. case 0x88:case 0x89:case 0x8a:case 0x8b:case 0x8c:case 0x8d:case 0x8e:case 0x8f:
  188. dyn_branched_exit((BranchTypes)(dual_code&0xf),
  189. decode.big_op ? (Bit32s)decode_fetchd() : (Bit16s)decode_fetchw());
  190. goto finish_block;
  191.  
  192. // conditional byte set instructions
  193. /* case 0x90:case 0x91:case 0x92:case 0x93:case 0x94:case 0x95:case 0x96:case 0x97:
  194. case 0x98:case 0x99:case 0x9a:case 0x9b:case 0x9c:case 0x9d:case 0x9e:case 0x9f:
  195. dyn_set_byte_on_condition((BranchTypes)(dual_code&0xf));
  196. AcquireFlags(FMASK_TEST);
  197. break; */
  198.  
  199. // push/pop segment registers
  200. case 0xa0:dyn_push_seg(DRC_SEG_FS);break;
  201. case 0xa1:dyn_pop_seg(DRC_SEG_FS);break;
  202. case 0xa8:dyn_push_seg(DRC_SEG_GS);break;
  203. case 0xa9:dyn_pop_seg(DRC_SEG_GS);break;
  204.  
  205. // double shift instructions
  206. case 0xa4:dyn_dshift_ev_gv(true,true);break;
  207. case 0xa5:dyn_dshift_ev_gv(true,false);break;
  208. case 0xac:dyn_dshift_ev_gv(false,true);break;
  209. case 0xad:dyn_dshift_ev_gv(false,false);break;
  210.  
  211. case 0xaf:dyn_imul_gvev(0);break;
  212.  
  213. // lfs
  214. case 0xb4:
  215. dyn_get_modrm();
  216. if (GCC_UNLIKELY(decode.modrm.mod==3)) goto illegalopcode;
  217. dyn_load_seg_off_ea(DRC_SEG_FS);
  218. break;
  219. // lgs
  220. case 0xb5:
  221. dyn_get_modrm();
  222. if (GCC_UNLIKELY(decode.modrm.mod==3)) goto illegalopcode;
  223. dyn_load_seg_off_ea(DRC_SEG_GS);
  224. break;
  225.  
  226. // zero-extending moves
  227. case 0xb6:dyn_movx_ev_gb(false);break;
  228. case 0xb7:dyn_movx_ev_gw(false);break;
  229.  
  230. // sign-extending moves
  231. case 0xbe:dyn_movx_ev_gb(true);break;
  232. case 0xbf:dyn_movx_ev_gw(true);break;
  233.  
  234. default:
  235. #if DYN_LOG
  236. // LOG_MSG("Unhandled dual opcode 0F%02X",dual_code);
  237. #endif
  238. goto illegalopcode;
  239. }
  240. break;
  241. }
  242.  
  243. // 'inc/dec reg16/32'
  244. case 0x40:case 0x41:case 0x42:case 0x43:case 0x44:case 0x45:case 0x46:case 0x47:
  245. dyn_sop_word(SOP_INC,opcode&7);
  246. break;
  247. case 0x48:case 0x49:case 0x4a:case 0x4b:case 0x4c:case 0x4d:case 0x4e:case 0x4f:
  248. dyn_sop_word(SOP_DEC,opcode&7);
  249. break;
  250.  
  251. // 'push/pop reg16/32'
  252. case 0x50:case 0x51:case 0x52:case 0x53:case 0x54:case 0x55:case 0x56:case 0x57:
  253. dyn_push_reg(opcode&7);
  254. break;
  255. case 0x58:case 0x59:case 0x5a:case 0x5b:case 0x5c:case 0x5d:case 0x5e:case 0x5f:
  256. dyn_pop_reg(opcode&7);
  257. break;
  258.  
  259. case 0x60:
  260. if (decode.big_op) gen_call_function_raw((void *)&dynrec_pusha_dword);
  261. else gen_call_function_raw((void *)&dynrec_pusha_word);
  262. break;
  263. case 0x61:
  264. if (decode.big_op) gen_call_function_raw((void *)&dynrec_popa_dword);
  265. else gen_call_function_raw((void *)&dynrec_popa_word);
  266. break;
  267.  
  268. // case 0x62: BOUND missing
  269. // case 0x61: ARPL missing
  270.  
  271. case 0x66:decode.big_op=!cpu.code.big;goto restart_prefix;
  272. case 0x67:decode.big_addr=!cpu.code.big;goto restart_prefix;
  273.  
  274. // 'push imm8/16/32'
  275. case 0x68:
  276. dyn_push_word_imm(decode.big_op ? decode_fetchd() : decode_fetchw());
  277. break;
  278. case 0x6a:
  279. dyn_push_byte_imm((Bit8s)decode_fetchb());
  280. break;
  281.  
  282. // signed multiplication
  283. case 0x69:dyn_imul_gvev(decode.big_op ? 4 : 2);break;
  284. case 0x6b:dyn_imul_gvev(1);break;
  285.  
  286. // case 0x6c to 0x6f missing (ins/outs)
  287.  
  288. // short conditional jumps
  289. case 0x70:case 0x71:case 0x72:case 0x73:case 0x74:case 0x75:case 0x76:case 0x77:
  290. case 0x78:case 0x79:case 0x7a:case 0x7b:case 0x7c:case 0x7d:case 0x7e:case 0x7f:
  291. dyn_branched_exit((BranchTypes)(opcode&0xf),(Bit8s)decode_fetchb());
  292. goto finish_block;
  293.  
  294. // 'op []/reg8,imm8'
  295. case 0x80:
  296. case 0x82:dyn_grp1_eb_ib();break;
  297.  
  298. // 'op []/reg16/32,imm16/32'
  299. case 0x81:dyn_grp1_ev_iv(false);break;
  300. case 0x83:dyn_grp1_ev_iv(true);break;
  301.  
  302. // 'test []/reg8/16/32,reg8/16/32'
  303. case 0x84:dyn_dop_gbeb(DOP_TEST);break;
  304. case 0x85:dyn_dop_gvev(DOP_TEST);break;
  305.  
  306. // 'xchg reg8/16/32,[]/reg8/16/32'
  307. case 0x86:dyn_dop_ebgb_xchg();break;
  308. case 0x87:dyn_dop_evgv_xchg();break;
  309.  
  310. // 'mov []/reg8/16/32,reg8/16/32'
  311. case 0x88:dyn_dop_ebgb_mov();break;
  312. case 0x89:dyn_dop_evgv_mov();break;
  313. // 'mov reg8/16/32,[]/reg8/16/32'
  314. case 0x8a:dyn_dop_gbeb_mov();break;
  315. case 0x8b:dyn_dop_gvev_mov();break;
  316.  
  317. // move segment register into memory or a 16bit register
  318. case 0x8c:dyn_mov_ev_seg();break;
  319.  
  320. // load effective address
  321. case 0x8d:dyn_lea();break;
  322.  
  323. // move a value from memory or a 16bit register into a segment register
  324. case 0x8e:dyn_mov_seg_ev();break;
  325.  
  326. // 'pop []'
  327. case 0x8f:dyn_pop_ev();break;
  328.  
  329. case 0x90: // nop
  330. case 0x9b: // wait
  331. case 0xf0: // lock
  332. break;
  333.  
  334. case 0x91:case 0x92:case 0x93:case 0x94:case 0x95:case 0x96:case 0x97:
  335. dyn_xchg_ax(opcode&7);
  336. break;
  337.  
  338. // sign-extend al into ax/sign-extend ax into eax
  339. case 0x98:dyn_cbw();break;
  340. // sign-extend ax into dx:ax/sign-extend eax into edx:eax
  341. case 0x99:dyn_cwd();break;
  342.  
  343. case 0x9a:dyn_call_far_imm();goto finish_block;
  344.  
  345. case 0x9c: // pushf
  346. AcquireFlags(FMASK_TEST);
  347. gen_call_function_I((void *)&CPU_PUSHF,decode.big_op);
  348. dyn_check_exception(FC_RETOP);
  349. break;
  350. case 0x9d: // popf
  351. gen_call_function_I((void *)&CPU_POPF,decode.big_op);
  352. dyn_check_exception(FC_RETOP);
  353. InvalidateFlags();
  354. break;
  355.  
  356. case 0x9e:dyn_sahf();break;
  357. // case 0x9f: LAHF missing
  358.  
  359. // 'mov al/ax,[]'
  360. case 0xa0:
  361. dyn_mov_byte_al_direct(decode.big_addr ? decode_fetchd() : decode_fetchw());
  362. break;
  363. case 0xa1:
  364. dyn_mov_byte_ax_direct(decode.big_addr ? decode_fetchd() : decode_fetchw());
  365. break;
  366. // 'mov [],al/ax'
  367. case 0xa2:
  368. dyn_mov_byte_direct_al();
  369. break;
  370. case 0xa3:
  371. dyn_mov_byte_direct_ax(decode.big_addr ? decode_fetchd() : decode_fetchw());
  372. break;
  373.  
  374.  
  375. // case 0xa6 to 0xaf string operations, some missing
  376.  
  377. // movsb/w/d
  378. case 0xa4:dyn_string(STR_MOVSB);break;
  379. case 0xa5:dyn_string(decode.big_op ? STR_MOVSD : STR_MOVSW);break;
  380.  
  381. // stosb/w/d
  382. case 0xaa:dyn_string(STR_STOSB);break;
  383. case 0xab:dyn_string(decode.big_op ? STR_STOSD : STR_STOSW);break;
  384.  
  385. // lodsb/w/d
  386. case 0xac:dyn_string(STR_LODSB);break;
  387. case 0xad:dyn_string(decode.big_op ? STR_LODSD : STR_LODSW);break;
  388.  
  389.  
  390. // 'test reg8/16/32,imm8/16/32'
  391. case 0xa8:dyn_dop_byte_imm(DOP_TEST,DRC_REG_EAX,0);break;
  392. case 0xa9:dyn_dop_word_imm_old(DOP_TEST,DRC_REG_EAX,decode.big_op ? decode_fetchd() : decode_fetchw());break;
  393.  
  394. // 'mov reg8/16/32,imm8/16/32'
  395. case 0xb0:case 0xb1:case 0xb2:case 0xb3:case 0xb4:case 0xb5:case 0xb6:case 0xb7:
  396. dyn_mov_byte_imm(opcode&3,(opcode>>2)&1,decode_fetchb());
  397. break;
  398. case 0xb8:case 0xb9:case 0xba:case 0xbb:case 0xbc:case 0xbd:case 0xbe:case 0xbf:
  399. dyn_mov_word_imm(opcode&7);break;
  400. break;
  401.  
  402. // 'shiftop []/reg8,imm8/1/cl'
  403. case 0xc0:dyn_grp2_eb(grp2_imm);break;
  404. case 0xd0:dyn_grp2_eb(grp2_1);break;
  405. case 0xd2:dyn_grp2_eb(grp2_cl);break;
  406.  
  407. // 'shiftop []/reg16/32,imm8/1/cl'
  408. case 0xc1:dyn_grp2_ev(grp2_imm);break;
  409. case 0xd1:dyn_grp2_ev(grp2_1);break;
  410. case 0xd3:dyn_grp2_ev(grp2_cl);break;
  411.  
  412. // retn [param]
  413. case 0xc2:dyn_ret_near(decode_fetchw());goto finish_block;
  414. case 0xc3:dyn_ret_near(0);goto finish_block;
  415.  
  416. // les
  417. case 0xc4:
  418. dyn_get_modrm();
  419. if (GCC_UNLIKELY(decode.modrm.mod==3)) goto illegalopcode;
  420. dyn_load_seg_off_ea(DRC_SEG_ES);
  421. break;
  422. // lds
  423. case 0xc5:
  424. dyn_get_modrm();
  425. if (GCC_UNLIKELY(decode.modrm.mod==3)) goto illegalopcode;
  426. dyn_load_seg_off_ea(DRC_SEG_DS);break;
  427.  
  428. // 'mov []/reg8/16/32,imm8/16/32'
  429. case 0xc6:dyn_dop_ebib_mov();break;
  430. case 0xc7:dyn_dop_eviv_mov();break;
  431.  
  432. case 0xc8:dyn_enter();break;
  433. case 0xc9:dyn_leave();break;
  434.  
  435. // retf [param]
  436. case 0xca:dyn_ret_far(decode_fetchw());goto finish_block;
  437. case 0xcb:dyn_ret_far(0);goto finish_block;
  438.  
  439. // int/iret
  440. #if !(C_DEBUG)
  441. case 0xcd:dyn_interrupt(decode_fetchb());goto finish_block;
  442. #endif
  443. case 0xcf:dyn_iret();goto finish_block;
  444.  
  445. // case 0xd4: AAM missing
  446. // case 0xd5: AAD missing
  447.  
  448. // case 0xd6: SALC missing
  449. // case 0xd7: XLAT missing
  450.  
  451.  
  452. #ifdef CPU_FPU
  453. // floating point instructions
  454. case 0xd8:
  455. dyn_fpu_esc0();
  456. break;
  457. case 0xd9:
  458. dyn_fpu_esc1();
  459. break;
  460. case 0xda:
  461. dyn_fpu_esc2();
  462. break;
  463. case 0xdb:
  464. dyn_fpu_esc3();
  465. break;
  466. case 0xdc:
  467. dyn_fpu_esc4();
  468. break;
  469. case 0xdd:
  470. dyn_fpu_esc5();
  471. break;
  472. case 0xde:
  473. dyn_fpu_esc6();
  474. break;
  475. case 0xdf:
  476. dyn_fpu_esc7();
  477. break;
  478. #endif
  479.  
  480.  
  481. // loop instructions
  482. case 0xe0:dyn_loop(LOOP_NE);goto finish_block;
  483. case 0xe1:dyn_loop(LOOP_E);goto finish_block;
  484. case 0xe2:dyn_loop(LOOP_NONE);goto finish_block;
  485. case 0xe3:dyn_loop(LOOP_JCXZ);goto finish_block;
  486.  
  487.  
  488. // 'in al/ax/eax,port_imm'
  489. case 0xe4:dyn_read_port_byte_direct(decode_fetchb());break;
  490. case 0xe5:dyn_read_port_word_direct(decode_fetchb());break;
  491. // 'out port_imm,al/ax/eax'
  492. case 0xe6:dyn_write_port_byte_direct(decode_fetchb());break;
  493. case 0xe7:dyn_write_port_word_direct(decode_fetchb());break;
  494.  
  495. // 'in al/ax/eax,port_dx'
  496. case 0xec:dyn_read_port_byte();break;
  497. case 0xed:dyn_read_port_word();break;
  498. // 'out port_dx,al/ax/eax'
  499. case 0xee:dyn_write_port_byte();break;
  500. case 0xef:dyn_write_port_word();break;
  501.  
  502.  
  503. // 'call near imm16/32'
  504. case 0xe8:
  505. dyn_call_near_imm();
  506. goto finish_block;
  507. // 'jmp near imm16/32'
  508. case 0xe9:
  509. dyn_exit_link(decode.big_op ? (Bit32s)decode_fetchd() : (Bit16s)decode_fetchw());
  510. goto finish_block;
  511. // 'jmp far'
  512. case 0xea:
  513. dyn_jmp_far_imm();
  514. goto finish_block;
  515. // 'jmp short imm8'
  516. case 0xeb:
  517. dyn_exit_link((Bit8s)decode_fetchb());
  518. goto finish_block;
  519.  
  520.  
  521. // repeat prefixes
  522. case 0xf2:
  523. decode.rep=REP_NZ;
  524. goto restart_prefix;
  525. case 0xf3:
  526. decode.rep=REP_Z;
  527. goto restart_prefix;
  528.  
  529. case 0xf5: //CMC
  530. gen_call_function_raw((void*)dynrec_cmc);
  531. break;
  532. case 0xf8: //CLC
  533. gen_call_function_raw((void*)dynrec_clc);
  534. break;
  535. case 0xf9: //STC
  536. gen_call_function_raw((void*)dynrec_stc);
  537. break;
  538.  
  539. case 0xf6:dyn_grp3_eb();break;
  540. case 0xf7:dyn_grp3_ev();break;
  541.  
  542. case 0xfa: //CLI
  543. gen_call_function_raw((void *)&CPU_CLI);
  544. dyn_check_exception(FC_RETOP);
  545. break;
  546. case 0xfb: //STI
  547. gen_call_function_raw((void *)&CPU_STI);
  548. dyn_check_exception(FC_RETOP);
  549. if (max_opcodes<=0) max_opcodes=1; //Allow 1 extra opcode
  550. break;
  551.  
  552. case 0xfc: //CLD
  553. gen_call_function_raw((void*)dynrec_cld);
  554. break;
  555. case 0xfd: //STD
  556. gen_call_function_raw((void*)dynrec_std);
  557. break;
  558.  
  559. case 0xfe:
  560. if (dyn_grp4_eb()) goto finish_block;
  561. break;
  562. case 0xff:
  563. switch (dyn_grp4_ev()) {
  564. case 0:
  565. break;
  566. case 1:
  567. goto core_close_block;
  568. case 2:
  569. goto illegalopcode;
  570. default:
  571. break;
  572. }
  573. break;
  574.  
  575. default:
  576. #if DYN_LOG
  577. // LOG_MSG("Dynrec unhandled opcode %X",opcode);
  578. #endif
  579. goto illegalopcode;
  580. }
  581. }
  582. LOG_MSG("createcacheblocklate");
  583. // link to next block because the maximum number of opcodes has been reached
  584.  
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement
Public Pastes
Advertisement
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!