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ef79bbde | 1 | /*************************************************************************** |
8254b5a7 | 2 | * Copyright (C) 2019 Ryan Schultz, PCSX-df Team, PCSX team, gameblabla, * |
8ec1e4de | 3 | * dmitrysmagin, senquack * |
ef79bbde P |
4 | * * |
5 | * This program is free software; you can redistribute it and/or modify * | |
6 | * it under the terms of the GNU General Public License as published by * | |
7 | * the Free Software Foundation; either version 2 of the License, or * | |
8 | * (at your option) any later version. * | |
9 | * * | |
10 | * This program is distributed in the hope that it will be useful, * | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
13 | * GNU General Public License for more details. * | |
14 | * * | |
15 | * You should have received a copy of the GNU General Public License * | |
16 | * along with this program; if not, write to the * | |
17 | * Free Software Foundation, Inc., * | |
18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. * | |
19 | ***************************************************************************/ | |
20 | ||
8ec1e4de | 21 | /* Gameblabla 2018-2019 : |
8254b5a7 | 22 | * Numerous changes to bios calls as well as improvements in order to conform to nocash's findings |
23 | * for the PSX bios calls. Thanks senquack for helping out with some of the changes | |
24 | * and helping to spot issues and refine my patches. | |
25 | * */ | |
26 | ||
ef79bbde P |
27 | /* |
28 | * Internal simulated HLE BIOS. | |
29 | */ | |
30 | ||
31 | // TODO: implement all system calls, count the exact CPU cycles of system calls. | |
32 | ||
33 | #include "psxbios.h" | |
34 | #include "psxhw.h" | |
ddbaf678 | 35 | #include "gpu.h" |
5bf56268 | 36 | #include "sio.h" |
9415f066 | 37 | #include "psxhle.h" |
496d88d4 | 38 | #include <zlib.h> |
ef79bbde | 39 | |
630b122b | 40 | #if (defined(__GNUC__) && __GNUC__ >= 5) || defined(__clang__) |
41 | #pragma GCC diagnostic ignored "-Wpointer-sign" | |
42 | #endif | |
43 | ||
452b85f9 | 44 | #undef SysPrintf |
45 | #define SysPrintf if (Config.PsxOut) printf | |
46 | ||
ef79bbde P |
47 | char *biosA0n[256] = { |
48 | // 0x00 | |
49 | "open", "lseek", "read", "write", | |
50 | "close", "ioctl", "exit", "sys_a0_07", | |
51 | "getc", "putc", "todigit", "atof", | |
52 | "strtoul", "strtol", "abs", "labs", | |
53 | // 0x10 | |
54 | "atoi", "atol", "atob", "setjmp", | |
55 | "longjmp", "strcat", "strncat", "strcmp", | |
56 | "strncmp", "strcpy", "strncpy", "strlen", | |
57 | "index", "rindex", "strchr", "strrchr", | |
58 | // 0x20 | |
59 | "strpbrk", "strspn", "strcspn", "strtok", | |
60 | "strstr", "toupper", "tolower", "bcopy", | |
61 | "bzero", "bcmp", "memcpy", "memset", | |
62 | "memmove", "memcmp", "memchr", "rand", | |
63 | // 0x30 | |
64 | "srand", "qsort", "strtod", "malloc", | |
65 | "free", "lsearch", "bsearch", "calloc", | |
66 | "realloc", "InitHeap", "_exit", "getchar", | |
67 | "putchar", "gets", "puts", "printf", | |
68 | // 0x40 | |
69 | "sys_a0_40", "LoadTest", "Load", "Exec", | |
70 | "FlushCache", "InstallInterruptHandler", "GPU_dw", "mem2vram", | |
71 | "SendGPUStatus", "GPU_cw", "GPU_cwb", "SendPackets", | |
72 | "sys_a0_4c", "GetGPUStatus", "GPU_sync", "sys_a0_4f", | |
73 | // 0x50 | |
74 | "sys_a0_50", "LoadExec", "GetSysSp", "sys_a0_53", | |
75 | "_96_init()", "_bu_init()", "_96_remove()", "sys_a0_57", | |
76 | "sys_a0_58", "sys_a0_59", "sys_a0_5a", "dev_tty_init", | |
77 | "dev_tty_open", "sys_a0_5d", "dev_tty_ioctl","dev_cd_open", | |
78 | // 0x60 | |
79 | "dev_cd_read", "dev_cd_close", "dev_cd_firstfile", "dev_cd_nextfile", | |
80 | "dev_cd_chdir", "dev_card_open", "dev_card_read", "dev_card_write", | |
81 | "dev_card_close", "dev_card_firstfile", "dev_card_nextfile","dev_card_erase", | |
82 | "dev_card_undelete","dev_card_format", "dev_card_rename", "dev_card_6f", | |
83 | // 0x70 | |
9415f066 | 84 | "_bu_init", "_96_init", "CdRemove", "sys_a0_73", |
ef79bbde P |
85 | "sys_a0_74", "sys_a0_75", "sys_a0_76", "sys_a0_77", |
86 | "_96_CdSeekL", "sys_a0_79", "sys_a0_7a", "sys_a0_7b", | |
87 | "_96_CdGetStatus", "sys_a0_7d", "_96_CdRead", "sys_a0_7f", | |
88 | // 0x80 | |
89 | "sys_a0_80", "sys_a0_81", "sys_a0_82", "sys_a0_83", | |
90 | "sys_a0_84", "_96_CdStop", "sys_a0_86", "sys_a0_87", | |
91 | "sys_a0_88", "sys_a0_89", "sys_a0_8a", "sys_a0_8b", | |
92 | "sys_a0_8c", "sys_a0_8d", "sys_a0_8e", "sys_a0_8f", | |
93 | // 0x90 | |
94 | "sys_a0_90", "sys_a0_91", "sys_a0_92", "sys_a0_93", | |
95 | "sys_a0_94", "sys_a0_95", "AddCDROMDevice", "AddMemCardDevide", | |
96 | "DisableKernelIORedirection", "EnableKernelIORedirection", "sys_a0_9a", "sys_a0_9b", | |
97 | "SetConf", "GetConf", "sys_a0_9e", "SetMem", | |
98 | // 0xa0 | |
99 | "_boot", "SystemError", "EnqueueCdIntr", "DequeueCdIntr", | |
100 | "sys_a0_a4", "ReadSector", "get_cd_status", "bufs_cb_0", | |
101 | "bufs_cb_1", "bufs_cb_2", "bufs_cb_3", "_card_info", | |
102 | "_card_load", "_card_auto", "bufs_cd_4", "sys_a0_af", | |
103 | // 0xb0 | |
104 | "sys_a0_b0", "sys_a0_b1", "do_a_long_jmp", "sys_a0_b3", | |
105 | "?? sub_function", | |
106 | }; | |
107 | ||
108 | char *biosB0n[256] = { | |
109 | // 0x00 | |
110 | "SysMalloc", "sys_b0_01", "sys_b0_02", "sys_b0_03", | |
111 | "sys_b0_04", "sys_b0_05", "sys_b0_06", "DeliverEvent", | |
112 | "OpenEvent", "CloseEvent", "WaitEvent", "TestEvent", | |
113 | "EnableEvent", "DisableEvent", "OpenTh", "CloseTh", | |
114 | // 0x10 | |
115 | "ChangeTh", "sys_b0_11", "InitPAD", "StartPAD", | |
116 | "StopPAD", "PAD_init", "PAD_dr", "ReturnFromExecption", | |
117 | "ResetEntryInt", "HookEntryInt", "sys_b0_1a", "sys_b0_1b", | |
118 | "sys_b0_1c", "sys_b0_1d", "sys_b0_1e", "sys_b0_1f", | |
119 | // 0x20 | |
120 | "UnDeliverEvent", "sys_b0_21", "sys_b0_22", "sys_b0_23", | |
121 | "sys_b0_24", "sys_b0_25", "sys_b0_26", "sys_b0_27", | |
122 | "sys_b0_28", "sys_b0_29", "sys_b0_2a", "sys_b0_2b", | |
123 | "sys_b0_2c", "sys_b0_2d", "sys_b0_2e", "sys_b0_2f", | |
124 | // 0x30 | |
125 | "sys_b0_30", "sys_b0_31", "open", "lseek", | |
126 | "read", "write", "close", "ioctl", | |
127 | "exit", "sys_b0_39", "getc", "putc", | |
128 | "getchar", "putchar", "gets", "puts", | |
129 | // 0x40 | |
130 | "cd", "format", "firstfile", "nextfile", | |
131 | "rename", "delete", "undelete", "AddDevice", | |
132 | "RemoteDevice", "PrintInstalledDevices", "InitCARD", "StartCARD", | |
133 | "StopCARD", "sys_b0_4d", "_card_write", "_card_read", | |
134 | // 0x50 | |
135 | "_new_card", "Krom2RawAdd", "sys_b0_52", "sys_b0_53", | |
136 | "_get_errno", "_get_error", "GetC0Table", "GetB0Table", | |
137 | "_card_chan", "sys_b0_59", "sys_b0_5a", "ChangeClearPAD", | |
138 | "_card_status", "_card_wait", | |
139 | }; | |
140 | ||
141 | char *biosC0n[256] = { | |
142 | // 0x00 | |
143 | "InitRCnt", "InitException", "SysEnqIntRP", "SysDeqIntRP", | |
144 | "get_free_EvCB_slot", "get_free_TCB_slot", "ExceptionHandler", "InstallExeptionHandler", | |
145 | "SysInitMemory", "SysInitKMem", "ChangeClearRCnt", "SystemError", | |
146 | "InitDefInt", "sys_c0_0d", "sys_c0_0e", "sys_c0_0f", | |
147 | // 0x10 | |
148 | "sys_c0_10", "sys_c0_11", "InstallDevices", "FlushStfInOutPut", | |
149 | "sys_c0_14", "_cdevinput", "_cdevscan", "_circgetc", | |
150 | "_circputc", "ioabort", "sys_c0_1a", "KernelRedirect", | |
151 | "PatchAOTable", | |
152 | }; | |
153 | ||
154 | //#define r0 (psxRegs.GPR.n.r0) | |
155 | #define at (psxRegs.GPR.n.at) | |
156 | #define v0 (psxRegs.GPR.n.v0) | |
157 | #define v1 (psxRegs.GPR.n.v1) | |
158 | #define a0 (psxRegs.GPR.n.a0) | |
159 | #define a1 (psxRegs.GPR.n.a1) | |
160 | #define a2 (psxRegs.GPR.n.a2) | |
161 | #define a3 (psxRegs.GPR.n.a3) | |
162 | #define t0 (psxRegs.GPR.n.t0) | |
163 | #define t1 (psxRegs.GPR.n.t1) | |
164 | #define t2 (psxRegs.GPR.n.t2) | |
165 | #define t3 (psxRegs.GPR.n.t3) | |
166 | #define t4 (psxRegs.GPR.n.t4) | |
167 | #define t5 (psxRegs.GPR.n.t5) | |
168 | #define t6 (psxRegs.GPR.n.t6) | |
169 | #define t7 (psxRegs.GPR.n.t7) | |
170 | #define t8 (psxRegs.GPR.n.t8) | |
171 | #define t9 (psxRegs.GPR.n.t9) | |
172 | #define s0 (psxRegs.GPR.n.s0) | |
173 | #define s1 (psxRegs.GPR.n.s1) | |
174 | #define s2 (psxRegs.GPR.n.s2) | |
175 | #define s3 (psxRegs.GPR.n.s3) | |
176 | #define s4 (psxRegs.GPR.n.s4) | |
177 | #define s5 (psxRegs.GPR.n.s5) | |
178 | #define s6 (psxRegs.GPR.n.s6) | |
179 | #define s7 (psxRegs.GPR.n.s7) | |
180 | #define k0 (psxRegs.GPR.n.k0) | |
181 | #define k1 (psxRegs.GPR.n.k1) | |
182 | #define gp (psxRegs.GPR.n.gp) | |
183 | #define sp (psxRegs.GPR.n.sp) | |
184 | #define fp (psxRegs.GPR.n.s8) | |
185 | #define ra (psxRegs.GPR.n.ra) | |
186 | #define pc0 (psxRegs.pc) | |
187 | ||
188 | #define Ra0 ((char *)PSXM(a0)) | |
189 | #define Ra1 ((char *)PSXM(a1)) | |
190 | #define Ra2 ((char *)PSXM(a2)) | |
191 | #define Ra3 ((char *)PSXM(a3)) | |
192 | #define Rv0 ((char *)PSXM(v0)) | |
193 | #define Rsp ((char *)PSXM(sp)) | |
194 | ||
195 | typedef struct { | |
196 | u32 desc; | |
197 | s32 status; | |
198 | s32 mode; | |
199 | u32 fhandler; | |
200 | } EvCB[32]; | |
201 | ||
202 | #define EvStUNUSED 0x0000 | |
203 | #define EvStWAIT 0x1000 | |
204 | #define EvStACTIVE 0x2000 | |
205 | #define EvStALREADY 0x4000 | |
206 | ||
207 | #define EvMdINTR 0x1000 | |
208 | #define EvMdNOINTR 0x2000 | |
209 | ||
210 | /* | |
211 | typedef struct { | |
212 | s32 next; | |
213 | s32 func1; | |
214 | s32 func2; | |
215 | s32 pad; | |
216 | } SysRPst; | |
217 | */ | |
218 | ||
219 | typedef struct { | |
9415f066 | 220 | u32 status; |
221 | u32 mode; | |
ef79bbde | 222 | u32 reg[32]; |
9415f066 | 223 | u32 epc; |
224 | u32 hi, lo; | |
225 | u32 sr, cause; | |
226 | u32 unused[9]; | |
ef79bbde P |
227 | } TCB; |
228 | ||
8ec1e4de | 229 | typedef struct { |
ef79bbde P |
230 | u32 _pc0; |
231 | u32 gp0; | |
232 | u32 t_addr; | |
233 | u32 t_size; | |
234 | u32 d_addr; | |
235 | u32 d_size; | |
236 | u32 b_addr; | |
237 | u32 b_size; | |
238 | u32 S_addr; | |
239 | u32 s_size; | |
240 | u32 _sp, _fp, _gp, ret, base; | |
241 | } EXEC; | |
242 | ||
243 | struct DIRENTRY { | |
244 | char name[20]; | |
245 | s32 attr; | |
246 | s32 size; | |
247 | u32 next; | |
248 | s32 head; | |
249 | char system[4]; | |
250 | }; | |
251 | ||
252 | typedef struct { | |
253 | char name[32]; | |
254 | u32 mode; | |
255 | u32 offset; | |
256 | u32 size; | |
257 | u32 mcfile; | |
258 | } FileDesc; | |
259 | ||
ef79bbde P |
260 | static int *pad_buf = NULL; |
261 | static char *pad_buf1 = NULL, *pad_buf2 = NULL; | |
262 | static int pad_buf1len, pad_buf2len; | |
f25c285b | 263 | static int pad_stopped = 0; |
ef79bbde P |
264 | |
265 | static u32 regs[35]; | |
403f235f | 266 | static EvCB *EventCB; |
ef79bbde P |
267 | static EvCB *HwEV; // 0xf0 |
268 | static EvCB *EvEV; // 0xf1 | |
269 | static EvCB *RcEV; // 0xf2 | |
270 | static EvCB *UeEV; // 0xf3 | |
271 | static EvCB *SwEV; // 0xf4 | |
272 | static EvCB *ThEV; // 0xff | |
26b964b5 | 273 | static u32 heap_size = 0; |
ef79bbde P |
274 | static u32 *heap_addr = NULL; |
275 | static u32 *heap_end = NULL; | |
ef79bbde | 276 | static int CardState = -1; |
ef79bbde P |
277 | static int CurThread = 0; |
278 | static FileDesc FDesc[32]; | |
5bf56268 | 279 | static u32 card_active_chan = 0; |
ef79bbde | 280 | |
9415f066 | 281 | // fixed RAM offsets, SCPH1001 compatible |
282 | #define A_TT_ExCB 0x0100 | |
283 | #define A_TT_PCB 0x0108 | |
284 | #define A_TT_TCB 0x0110 | |
285 | #define A_A0_TABLE 0x0200 | |
286 | #define A_B0_TABLE 0x0874 | |
287 | #define A_C0_TABLE 0x0674 | |
288 | #define A_SYSCALL 0x0650 | |
289 | #define A_EXCEPTION 0x0c80 | |
290 | #define A_EXC_SP 0x6cf0 | |
291 | #define A_EEXIT_DEF 0x6cf4 | |
292 | #define A_EEXIT_PTR 0x75d0 | |
293 | #define A_EXC_STACK 0x85d8 // exception stack top | |
294 | #define A_RCNT_VBL_ACK 0x8600 | |
295 | #define A_EXC_GP 0xf450 | |
296 | ||
297 | #define HLEOP(n) SWAPu32((0x3b << 26) | (n)); | |
298 | ||
299 | static u32 loadRam32(u32 addr) | |
300 | { | |
301 | assert(!(addr & 0x5f800000)); | |
302 | return SWAP32(*((u32 *)psxM + ((addr & 0x1fffff) >> 2))); | |
303 | } | |
ef79bbde | 304 | |
9415f066 | 305 | static void *castRam32ptr(u32 addr) |
306 | { | |
307 | assert(!(addr & 0x5f800003)); | |
308 | return psxM + (addr & 0x1ffffc); | |
309 | } | |
310 | ||
311 | static void *loadRam32ptr(u32 addr) | |
312 | { | |
313 | return castRam32ptr(loadRam32(addr)); | |
314 | } | |
315 | ||
316 | static void storeRam32(u32 addr, u32 d) | |
317 | { | |
318 | assert(!(addr & 0x5f800000)); | |
319 | *((u32 *)psxM + ((addr & 0x1fffff) >> 2)) = SWAP32(d); | |
320 | } | |
ef79bbde | 321 | |
9415f066 | 322 | static void mips_return(u32 val) |
323 | { | |
324 | v0 = val; | |
325 | pc0 = ra; | |
326 | } | |
ef79bbde | 327 | |
9415f066 | 328 | static void use_cycles(u32 cycle) |
329 | { | |
330 | psxRegs.cycle += cycle * 2; | |
331 | } | |
ef79bbde | 332 | |
9415f066 | 333 | static void mips_return_c(u32 val, u32 cycle) |
334 | { | |
335 | use_cycles(cycle); | |
336 | mips_return(val); | |
ef79bbde P |
337 | } |
338 | ||
9415f066 | 339 | static void mips_return_void_c(u32 cycle) |
340 | { | |
341 | use_cycles(cycle); | |
342 | pc0 = ra; | |
343 | } | |
344 | ||
345 | static int returned_from_exception(void) | |
346 | { | |
347 | // 0x80000080 means it took another exception just after return | |
348 | return pc0 == k0 || pc0 == 0x80000080; | |
349 | } | |
350 | ||
351 | static inline void softCall(u32 pc) { | |
ef79bbde | 352 | u32 sra = ra; |
9415f066 | 353 | u32 ssr = psxRegs.CP0.n.SR; |
ef79bbde P |
354 | pc0 = pc; |
355 | ra = 0x80001000; | |
9415f066 | 356 | psxRegs.CP0.n.SR &= ~0x404; // disable interrupts |
ef79bbde | 357 | |
9415f066 | 358 | while (pc0 != 0x80001000) |
359 | psxCpu->ExecuteBlock(EXEC_CALLER_HLE); | |
ef79bbde | 360 | |
ef79bbde | 361 | ra = sra; |
9415f066 | 362 | psxRegs.CP0.n.SR = ssr; |
363 | } | |
ef79bbde | 364 | |
9415f066 | 365 | static inline void softCallInException(u32 pc) { |
366 | u32 sra = ra; | |
367 | pc0 = pc; | |
368 | ra = 0x80001000; | |
369 | ||
370 | while (!returned_from_exception() && pc0 != 0x80001000) | |
371 | psxCpu->ExecuteBlock(EXEC_CALLER_HLE); | |
372 | ||
373 | if (pc0 == 0x80001000) | |
374 | ra = sra; | |
ef79bbde P |
375 | } |
376 | ||
377 | static inline void DeliverEvent(u32 ev, u32 spec) { | |
403f235f | 378 | if (EventCB[ev][spec].status != EvStACTIVE) return; |
ef79bbde | 379 | |
403f235f | 380 | // EventCB[ev][spec].status = EvStALREADY; |
381 | if (EventCB[ev][spec].mode == EvMdINTR) { | |
9415f066 | 382 | softCall(EventCB[ev][spec].fhandler); |
403f235f | 383 | } else EventCB[ev][spec].status = EvStALREADY; |
ef79bbde P |
384 | } |
385 | ||
ef79bbde P |
386 | /* * |
387 | // * | |
388 | // * | |
389 | // System calls A0 */ | |
390 | ||
391 | ||
d99f6068 | 392 | #define buread(Ra1, mcd, length) { \ |
393 | SysPrintf("read %d: %x,%x (%s)\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2, Mcd##mcd##Data + 128 * FDesc[1 + mcd].mcfile + 0xa); \ | |
394 | ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \ | |
395 | memcpy(Ra1, ptr, length); \ | |
f1514614 | 396 | if (FDesc[1 + mcd].mode & 0x8000) { \ |
d99f6068 | 397 | DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \ |
398 | DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \ | |
f1514614 | 399 | v0 = 0; } \ |
d99f6068 | 400 | else v0 = length; \ |
401 | FDesc[1 + mcd].offset += v0; \ | |
402 | } | |
403 | ||
404 | #define buwrite(Ra1, mcd, length) { \ | |
405 | u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \ | |
406 | SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \ | |
407 | ptr = Mcd##mcd##Data + offset; \ | |
408 | memcpy(ptr, Ra1, length); \ | |
f1514614 | 409 | FDesc[1 + mcd].offset += length; \ |
6e522b2b | 410 | SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, offset, length); \ |
f1514614 | 411 | if (FDesc[1 + mcd].mode & 0x8000) { \ |
d99f6068 | 412 | DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \ |
413 | DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \ | |
f1514614 | 414 | v0 = 0; } \ |
d99f6068 | 415 | else v0 = length; \ |
416 | } | |
417 | ||
9415f066 | 418 | #ifndef PSXBIOS_LOG |
419 | //#define PSXBIOS_LOG printf | |
420 | #define PSXBIOS_LOG(...) | |
421 | #endif | |
d99f6068 | 422 | |
324cec89 | 423 | /* Internally redirects to "FileRead(fd,tempbuf,1)".*/ |
424 | /* For some strange reason, the returned character is sign-expanded; */ | |
425 | /* So if a return value of FFFFFFFFh could mean either character FFh, or error. */ | |
426 | /* TODO FIX ME : Properly implement this behaviour */ | |
427 | void psxBios_getc(void) // 0x03, 0x35 | |
428 | { | |
d99f6068 | 429 | char *ptr; |
324cec89 | 430 | void *pa1 = Ra1; |
431 | #ifdef PSXBIOS_LOG | |
432 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x03]); | |
433 | #endif | |
434 | v0 = -1; | |
435 | ||
b012a437 | 436 | if (pa1 != INVALID_PTR) { |
324cec89 | 437 | switch (a0) { |
438 | case 2: buread(pa1, 1, 1); break; | |
439 | case 3: buread(pa1, 2, 1); break; | |
440 | } | |
441 | } | |
442 | ||
443 | pc0 = ra; | |
444 | } | |
445 | ||
446 | /* Copy of psxBios_write, except size is 1. */ | |
447 | void psxBios_putc(void) // 0x09, 0x3B | |
448 | { | |
d99f6068 | 449 | char *ptr; |
324cec89 | 450 | void *pa1 = Ra1; |
451 | #ifdef PSXBIOS_LOG | |
452 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x09]); | |
453 | #endif | |
454 | v0 = -1; | |
b012a437 | 455 | if (pa1 == INVALID_PTR) { |
324cec89 | 456 | pc0 = ra; |
457 | return; | |
458 | } | |
459 | ||
460 | if (a0 == 1) { // stdout | |
461 | char *ptr = (char *)pa1; | |
462 | ||
463 | v0 = a2; | |
464 | while (a2 > 0) { | |
465 | printf("%c", *ptr++); a2--; | |
466 | } | |
467 | pc0 = ra; return; | |
468 | } | |
469 | ||
470 | switch (a0) { | |
471 | case 2: buwrite(pa1, 1, 1); break; | |
472 | case 3: buwrite(pa1, 2, 1); break; | |
473 | } | |
474 | ||
475 | pc0 = ra; | |
476 | } | |
ef79bbde | 477 | |
ba11675c | 478 | void psxBios_todigit(void) // 0x0a |
479 | { | |
480 | int c = a0; | |
481 | #ifdef PSXBIOS_LOG | |
482 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x0a]); | |
483 | #endif | |
484 | c &= 0xFF; | |
485 | if (c >= 0x30 && c < 0x3A) { | |
486 | c -= 0x30; | |
487 | } | |
488 | else if (c > 0x60 && c < 0x7B) { | |
489 | c -= 0x20; | |
490 | } | |
491 | else if (c > 0x40 && c < 0x5B) { | |
492 | c = c - 0x41 + 10; | |
493 | } | |
494 | else if (c >= 0x80) { | |
495 | c = -1; | |
496 | } | |
497 | else | |
498 | { | |
499 | c = 0x0098967F; | |
500 | } | |
501 | v0 = c; | |
502 | pc0 = ra; | |
503 | } | |
504 | ||
ef79bbde P |
505 | void psxBios_abs() { // 0x0e |
506 | if ((s32)a0 < 0) v0 = -(s32)a0; | |
507 | else v0 = a0; | |
508 | pc0 = ra; | |
509 | } | |
510 | ||
511 | void psxBios_labs() { // 0x0f | |
512 | psxBios_abs(); | |
513 | } | |
514 | ||
515 | void psxBios_atoi() { // 0x10 | |
516 | s32 n = 0, f = 0; | |
517 | char *p = (char *)Ra0; | |
518 | ||
519 | for (;;p++) { | |
520 | switch (*p) { | |
521 | case ' ': case '\t': continue; | |
522 | case '-': f++; | |
523 | case '+': p++; | |
524 | } | |
525 | break; | |
526 | } | |
527 | ||
528 | while (*p >= '0' && *p <= '9') { | |
529 | n = n * 10 + *p++ - '0'; | |
530 | } | |
531 | ||
532 | v0 = (f ? -n : n); | |
533 | pc0 = ra; | |
534 | } | |
535 | ||
536 | void psxBios_atol() { // 0x11 | |
537 | psxBios_atoi(); | |
538 | } | |
539 | ||
9415f066 | 540 | struct jmp_buf_ { |
541 | u32 ra_, sp_, fp_; | |
542 | u32 s[8]; | |
543 | u32 gp_; | |
544 | }; | |
545 | ||
546 | static void psxBios_setjmp() { // 0x13 | |
547 | struct jmp_buf_ *jmp_buf = castRam32ptr(a0); | |
ef79bbde P |
548 | int i; |
549 | ||
9415f066 | 550 | PSXBIOS_LOG("psxBios_%s %x\n", biosA0n[0x13], a0); |
ef79bbde | 551 | |
9415f066 | 552 | jmp_buf->ra_ = SWAP32(ra); |
553 | jmp_buf->sp_ = SWAP32(sp); | |
554 | jmp_buf->fp_ = SWAP32(fp); | |
ef79bbde | 555 | for (i = 0; i < 8; i++) // s0-s7 |
9415f066 | 556 | jmp_buf->s[i] = SWAP32(psxRegs.GPR.r[16 + i]); |
557 | jmp_buf->gp_ = SWAP32(gp); | |
ef79bbde | 558 | |
9415f066 | 559 | mips_return_c(0, 15); |
ef79bbde P |
560 | } |
561 | ||
9415f066 | 562 | static void longjmp_load(const struct jmp_buf_ *jmp_buf) |
563 | { | |
ef79bbde P |
564 | int i; |
565 | ||
9415f066 | 566 | ra = SWAP32(jmp_buf->ra_); |
567 | sp = SWAP32(jmp_buf->sp_); | |
568 | fp = SWAP32(jmp_buf->fp_); | |
ef79bbde | 569 | for (i = 0; i < 8; i++) // s0-s7 |
9415f066 | 570 | psxRegs.GPR.r[16 + i] = SWAP32(jmp_buf->s[i]); |
571 | gp = SWAP32(jmp_buf->gp_);; | |
572 | } | |
ef79bbde | 573 | |
9415f066 | 574 | void psxBios_longjmp() { // 0x14 |
575 | struct jmp_buf_ *jmp_buf = castRam32ptr(a0); | |
576 | ||
577 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]); | |
578 | longjmp_load(jmp_buf); | |
579 | mips_return_c(a1, 15); | |
ef79bbde P |
580 | } |
581 | ||
582 | void psxBios_strcat() { // 0x15 | |
583 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
584 | ||
585 | #ifdef PSXBIOS_LOG | |
586 | PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1); | |
587 | #endif | |
bee52312 | 588 | if (a0 == 0 || a1 == 0) |
589 | { | |
590 | v0 = 0; | |
591 | pc0 = ra; | |
592 | return; | |
593 | } | |
ef79bbde P |
594 | while (*p1++); |
595 | --p1; | |
596 | while ((*p1++ = *p2++) != '\0'); | |
597 | ||
598 | v0 = a0; pc0 = ra; | |
599 | } | |
600 | ||
601 | void psxBios_strncat() { // 0x16 | |
602 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
603 | s32 n = a2; | |
604 | ||
605 | #ifdef PSXBIOS_LOG | |
606 | PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2); | |
607 | #endif | |
f42e1e90 | 608 | if (a0 == 0 || a1 == 0) |
609 | { | |
610 | v0 = 0; | |
611 | pc0 = ra; | |
612 | return; | |
613 | } | |
ef79bbde P |
614 | while (*p1++); |
615 | --p1; | |
616 | while ((*p1++ = *p2++) != '\0') { | |
617 | if (--n < 0) { | |
618 | *--p1 = '\0'; | |
619 | break; | |
620 | } | |
621 | } | |
622 | ||
623 | v0 = a0; pc0 = ra; | |
624 | } | |
625 | ||
626 | void psxBios_strcmp() { // 0x17 | |
627 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
c044e3e5 | 628 | s32 n=0; |
629 | if (a0 == 0 && a1 == 0) | |
630 | { | |
631 | v0 = 0; | |
632 | pc0 = ra; | |
633 | return; | |
634 | } | |
635 | else if (a0 == 0 && a1 != 0) | |
636 | { | |
637 | v0 = -1; | |
638 | pc0 = ra; | |
639 | return; | |
640 | } | |
641 | else if (a0 != 0 && a1 == 0) | |
642 | { | |
643 | v0 = 1; | |
644 | pc0 = ra; | |
645 | return; | |
646 | } | |
ef79bbde P |
647 | #ifdef PSXBIOS_LOG |
648 | PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1); | |
649 | #endif | |
650 | ||
651 | while (*p1 == *p2++) { | |
c044e3e5 | 652 | n++; |
ef79bbde | 653 | if (*p1++ == '\0') { |
c044e3e5 | 654 | v1=n-1; |
655 | a0+=n; | |
656 | a1+=n; | |
ef79bbde P |
657 | v0 = 0; |
658 | pc0 = ra; | |
659 | return; | |
660 | } | |
661 | } | |
662 | ||
663 | v0 = (*p1 - *--p2); | |
c044e3e5 | 664 | v1 = n; |
665 | a0+=n; | |
666 | a1+=n; | |
ef79bbde P |
667 | pc0 = ra; |
668 | } | |
669 | ||
670 | void psxBios_strncmp() { // 0x18 | |
671 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
672 | s32 n = a2; | |
ba4ecb8c | 673 | if (a0 == 0 && a1 == 0) |
674 | { | |
675 | v0 = 0; | |
676 | pc0 = ra; | |
677 | return; | |
678 | } | |
679 | else if (a0 == 0 && a1 != 0) | |
680 | { | |
681 | v0 = -1; | |
682 | pc0 = ra; | |
683 | return; | |
684 | } | |
685 | else if (a0 != 0 && a1 == 0) | |
686 | { | |
687 | v0 = 1; | |
688 | pc0 = ra; | |
689 | return; | |
690 | } | |
ef79bbde P |
691 | #ifdef PSXBIOS_LOG |
692 | PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2); | |
693 | #endif | |
694 | ||
695 | while (--n >= 0 && *p1 == *p2++) { | |
696 | if (*p1++ == '\0') { | |
697 | v0 = 0; | |
698 | pc0 = ra; | |
ba4ecb8c | 699 | v1 = a2 - ((a2-n) - 1); |
700 | a0 += (a2-n) - 1; | |
701 | a1 += (a2-n) - 1; | |
702 | a2 = n; | |
ef79bbde P |
703 | return; |
704 | } | |
705 | } | |
706 | ||
707 | v0 = (n < 0 ? 0 : *p1 - *--p2); | |
708 | pc0 = ra; | |
ba4ecb8c | 709 | v1 = a2 - ((a2-n) - 1); |
710 | a0 += (a2-n) - 1; | |
711 | a1 += (a2-n) - 1; | |
712 | a2 = n; | |
ef79bbde P |
713 | } |
714 | ||
715 | void psxBios_strcpy() { // 0x19 | |
716 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
c3d791f1 | 717 | if (a0 == 0 || a1 == 0) |
718 | { | |
719 | v0 = 0; | |
720 | pc0 = ra; | |
721 | return; | |
722 | } | |
ef79bbde P |
723 | while ((*p1++ = *p2++) != '\0'); |
724 | ||
725 | v0 = a0; pc0 = ra; | |
726 | } | |
727 | ||
728 | void psxBios_strncpy() { // 0x1a | |
729 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
730 | s32 n = a2, i; | |
c3d791f1 | 731 | if (a0 == 0 || a1 == 0) |
732 | { | |
733 | v0 = 0; | |
734 | pc0 = ra; | |
735 | return; | |
736 | } | |
ef79bbde P |
737 | for (i = 0; i < n; i++) { |
738 | if ((*p1++ = *p2++) == '\0') { | |
739 | while (++i < n) { | |
740 | *p1++ = '\0'; | |
741 | } | |
742 | v0 = a0; pc0 = ra; | |
743 | return; | |
744 | } | |
745 | } | |
746 | ||
747 | v0 = a0; pc0 = ra; | |
748 | } | |
749 | ||
750 | void psxBios_strlen() { // 0x1b | |
751 | char *p = (char *)Ra0; | |
752 | v0 = 0; | |
2c6a5df8 | 753 | if (a0 == 0) |
754 | { | |
755 | pc0 = ra; | |
756 | return; | |
757 | } | |
ef79bbde P |
758 | while (*p++) v0++; |
759 | pc0 = ra; | |
760 | } | |
761 | ||
762 | void psxBios_index() { // 0x1c | |
763 | char *p = (char *)Ra0; | |
fcf7ec6c | 764 | if (a0 == 0) |
765 | { | |
766 | v0 = 0; | |
767 | pc0 = ra; | |
768 | return; | |
769 | } | |
ef79bbde P |
770 | |
771 | do { | |
772 | if (*p == a1) { | |
773 | v0 = a0 + (p - (char *)Ra0); | |
774 | pc0 = ra; | |
775 | return; | |
776 | } | |
777 | } while (*p++ != '\0'); | |
778 | ||
779 | v0 = 0; pc0 = ra; | |
780 | } | |
781 | ||
782 | void psxBios_rindex() { // 0x1d | |
783 | char *p = (char *)Ra0; | |
784 | ||
785 | v0 = 0; | |
fcf7ec6c | 786 | if (a0 == 0) |
787 | { | |
788 | pc0 = ra; | |
789 | return; | |
790 | } | |
ef79bbde P |
791 | do { |
792 | if (*p == a1) | |
793 | v0 = a0 + (p - (char *)Ra0); | |
794 | } while (*p++ != '\0'); | |
795 | ||
796 | pc0 = ra; | |
797 | } | |
798 | ||
799 | void psxBios_strchr() { // 0x1e | |
800 | psxBios_index(); | |
801 | } | |
802 | ||
803 | void psxBios_strrchr() { // 0x1f | |
804 | psxBios_rindex(); | |
805 | } | |
806 | ||
807 | void psxBios_strpbrk() { // 0x20 | |
808 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc; | |
809 | ||
810 | while ((c = *p1++) != '\0') { | |
811 | for (scanp = p2; (sc = *scanp++) != '\0';) { | |
812 | if (sc == c) { | |
813 | v0 = a0 + (p1 - 1 - (char *)Ra0); | |
814 | pc0 = ra; | |
815 | return; | |
816 | } | |
817 | } | |
818 | } | |
819 | ||
820 | // BUG: return a0 instead of NULL if not found | |
821 | v0 = a0; pc0 = ra; | |
822 | } | |
823 | ||
824 | void psxBios_strspn() { // 0x21 | |
825 | char *p1, *p2; | |
826 | ||
827 | for (p1 = (char *)Ra0; *p1 != '\0'; p1++) { | |
828 | for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++); | |
829 | if (*p2 == '\0') break; | |
830 | } | |
831 | ||
832 | v0 = p1 - (char *)Ra0; pc0 = ra; | |
833 | } | |
834 | ||
835 | void psxBios_strcspn() { // 0x22 | |
836 | char *p1, *p2; | |
837 | ||
838 | for (p1 = (char *)Ra0; *p1 != '\0'; p1++) { | |
839 | for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++); | |
840 | if (*p2 != '\0') break; | |
841 | } | |
842 | ||
843 | v0 = p1 - (char *)Ra0; pc0 = ra; | |
844 | } | |
845 | ||
846 | void psxBios_strtok() { // 0x23 | |
847 | char *pcA0 = (char *)Ra0; | |
848 | char *pcRet = strtok(pcA0, (char *)Ra1); | |
849 | if (pcRet) | |
850 | v0 = a0 + pcRet - pcA0; | |
851 | else | |
852 | v0 = 0; | |
853 | pc0 = ra; | |
854 | } | |
855 | ||
856 | void psxBios_strstr() { // 0x24 | |
857 | char *p = (char *)Ra0, *p1, *p2; | |
858 | ||
859 | while (*p != '\0') { | |
860 | p1 = p; | |
861 | p2 = (char *)Ra1; | |
862 | ||
863 | while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) { | |
864 | p1++; p2++; | |
865 | } | |
866 | ||
867 | if (*p2 == '\0') { | |
868 | v0 = a0 + (p - (char *)Ra0); | |
869 | pc0 = ra; | |
870 | return; | |
871 | } | |
872 | ||
873 | p++; | |
874 | } | |
875 | ||
876 | v0 = 0; pc0 = ra; | |
877 | } | |
878 | ||
879 | void psxBios_toupper() { // 0x25 | |
880 | v0 = (s8)(a0 & 0xff); | |
881 | if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A'; | |
882 | pc0 = ra; | |
883 | } | |
884 | ||
885 | void psxBios_tolower() { // 0x26 | |
886 | v0 = (s8)(a0 & 0xff); | |
887 | if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A'; | |
888 | pc0 = ra; | |
889 | } | |
890 | ||
891 | void psxBios_bcopy() { // 0x27 | |
892 | char *p1 = (char *)Ra1, *p2 = (char *)Ra0; | |
0148ffb7 | 893 | v0 = a0; |
894 | if (a0 == 0 || a2 > 0x7FFFFFFF) | |
895 | { | |
896 | pc0 = ra; | |
897 | return; | |
898 | } | |
5ec7acdf | 899 | while ((s32)a2-- > 0) *p1++ = *p2++; |
0148ffb7 | 900 | a2 = 0; |
ef79bbde P |
901 | pc0 = ra; |
902 | } | |
903 | ||
904 | void psxBios_bzero() { // 0x28 | |
905 | char *p = (char *)Ra0; | |
01724d23 | 906 | v0 = a0; |
907 | /* Same as memset here (See memset below) */ | |
908 | if (a1 > 0x7FFFFFFF || a1 == 0) | |
909 | { | |
910 | v0 = 0; | |
911 | pc0 = ra; | |
912 | return; | |
913 | } | |
914 | else if (a0 == 0) | |
915 | { | |
916 | pc0 = ra; | |
917 | return; | |
918 | } | |
5ec7acdf | 919 | while ((s32)a1-- > 0) *p++ = '\0'; |
01724d23 | 920 | a1 = 0; |
ef79bbde P |
921 | pc0 = ra; |
922 | } | |
923 | ||
924 | void psxBios_bcmp() { // 0x29 | |
925 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
926 | ||
927 | if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; } | |
928 | ||
5ec7acdf | 929 | while ((s32)a2-- > 0) { |
ef79bbde P |
930 | if (*p1++ != *p2++) { |
931 | v0 = *p1 - *p2; // BUG: compare the NEXT byte | |
932 | pc0 = ra; | |
933 | return; | |
934 | } | |
935 | } | |
936 | ||
937 | v0 = 0; pc0 = ra; | |
938 | } | |
939 | ||
940 | void psxBios_memcpy() { // 0x2a | |
941 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
ef1da3dc | 942 | v0 = a0; |
943 | if (a0 == 0 || a2 > 0x7FFFFFFF) | |
944 | { | |
945 | pc0 = ra; | |
946 | return; | |
947 | } | |
948 | while ((s32)a2-- > 0) { | |
ef1da3dc | 949 | *p1++ = *p2++; |
950 | } | |
951 | a2 = 0; | |
952 | pc0 = ra; | |
ef79bbde P |
953 | } |
954 | ||
955 | void psxBios_memset() { // 0x2b | |
956 | char *p = (char *)Ra0; | |
3f28b64f | 957 | v0 = a0; |
958 | if (a2 > 0x7FFFFFFF || a2 == 0) | |
959 | { | |
960 | v0 = 0; | |
961 | pc0 = ra; | |
962 | return; | |
963 | } | |
964 | if (a0 == 0) | |
965 | { | |
966 | pc0 = ra; | |
967 | return; | |
968 | } | |
5ec7acdf | 969 | while ((s32)a2-- > 0) *p++ = (char)a1; |
5ec7acdf | 970 | a2 = 0; |
ef79bbde P |
971 | v0 = a0; pc0 = ra; |
972 | } | |
973 | ||
974 | void psxBios_memmove() { // 0x2c | |
975 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
112dddf5 | 976 | v0 = a0; |
977 | if (a0 == 0 || a2 > 0x7FFFFFFF) | |
978 | { | |
979 | pc0 = ra; | |
980 | return; | |
981 | } | |
ef79bbde P |
982 | if (p2 <= p1 && p2 + a2 > p1) { |
983 | a2++; // BUG: copy one more byte here | |
984 | p1 += a2; | |
985 | p2 += a2; | |
5ec7acdf | 986 | while ((s32)a2-- > 0) *--p1 = *--p2; |
ef79bbde | 987 | } else { |
5ec7acdf | 988 | while ((s32)a2-- > 0) *p1++ = *p2++; |
ef79bbde | 989 | } |
112dddf5 | 990 | pc0 = ra; |
ef79bbde P |
991 | } |
992 | ||
993 | void psxBios_memcmp() { // 0x2d | |
994 | psxBios_bcmp(); | |
995 | } | |
996 | ||
997 | void psxBios_memchr() { // 0x2e | |
998 | char *p = (char *)Ra0; | |
999 | ||
0f598f20 | 1000 | if (a0 == 0 || a2 > 0x7FFFFFFF) |
1001 | { | |
1002 | pc0 = ra; | |
1003 | return; | |
1004 | } | |
ef79bbde | 1005 | |
5ec7acdf | 1006 | while ((s32)a2-- > 0) { |
ef79bbde P |
1007 | if (*p++ != (s8)a1) continue; |
1008 | v0 = a0 + (p - (char *)Ra0 - 1); | |
1009 | pc0 = ra; | |
1010 | return; | |
1011 | } | |
1012 | ||
1013 | v0 = 0; pc0 = ra; | |
1014 | } | |
1015 | ||
1016 | void psxBios_rand() { // 0x2f | |
1017 | u32 s = psxMu32(0x9010) * 1103515245 + 12345; | |
1018 | v0 = (s >> 16) & 0x7fff; | |
1019 | psxMu32ref(0x9010) = SWAPu32(s); | |
1020 | pc0 = ra; | |
1021 | } | |
1022 | ||
1023 | void psxBios_srand() { // 0x30 | |
1024 | psxMu32ref(0x9010) = SWAPu32(a0); | |
1025 | pc0 = ra; | |
1026 | } | |
1027 | ||
1028 | static u32 qscmpfunc, qswidth; | |
1029 | ||
1030 | static inline int qscmp(char *a, char *b) { | |
1031 | u32 sa0 = a0; | |
1032 | ||
1033 | a0 = sa0 + (a - (char *)PSXM(sa0)); | |
1034 | a1 = sa0 + (b - (char *)PSXM(sa0)); | |
1035 | ||
9415f066 | 1036 | softCall(qscmpfunc); |
ef79bbde P |
1037 | |
1038 | a0 = sa0; | |
1039 | return (s32)v0; | |
1040 | } | |
1041 | ||
1042 | static inline void qexchange(char *i, char *j) { | |
1043 | char t; | |
1044 | int n = qswidth; | |
1045 | ||
1046 | do { | |
1047 | t = *i; | |
1048 | *i++ = *j; | |
1049 | *j++ = t; | |
1050 | } while (--n); | |
1051 | } | |
1052 | ||
1053 | static inline void q3exchange(char *i, char *j, char *k) { | |
1054 | char t; | |
1055 | int n = qswidth; | |
1056 | ||
1057 | do { | |
1058 | t = *i; | |
1059 | *i++ = *k; | |
1060 | *k++ = *j; | |
1061 | *j++ = t; | |
1062 | } while (--n); | |
1063 | } | |
1064 | ||
1065 | static void qsort_main(char *a, char *l) { | |
1066 | char *i, *j, *lp, *hp; | |
1067 | int c; | |
1068 | unsigned int n; | |
1069 | ||
1070 | start: | |
1071 | if ((n = l - a) <= qswidth) | |
1072 | return; | |
1073 | n = qswidth * (n / (2 * qswidth)); | |
1074 | hp = lp = a + n; | |
1075 | i = a; | |
1076 | j = l - qswidth; | |
1077 | while (TRUE) { | |
1078 | if (i < lp) { | |
1079 | if ((c = qscmp(i, lp)) == 0) { | |
1080 | qexchange(i, lp -= qswidth); | |
1081 | continue; | |
1082 | } | |
1083 | if (c < 0) { | |
1084 | i += qswidth; | |
1085 | continue; | |
1086 | } | |
1087 | } | |
1088 | ||
1089 | loop: | |
1090 | if (j > hp) { | |
1091 | if ((c = qscmp(hp, j)) == 0) { | |
1092 | qexchange(hp += qswidth, j); | |
1093 | goto loop; | |
1094 | } | |
1095 | if (c > 0) { | |
1096 | if (i == lp) { | |
1097 | q3exchange(i, hp += qswidth, j); | |
1098 | i = lp += qswidth; | |
1099 | goto loop; | |
1100 | } | |
1101 | qexchange(i, j); | |
1102 | j -= qswidth; | |
1103 | i += qswidth; | |
1104 | continue; | |
1105 | } | |
1106 | j -= qswidth; | |
1107 | goto loop; | |
1108 | } | |
1109 | ||
1110 | if (i == lp) { | |
1111 | if (lp - a >= l - hp) { | |
1112 | qsort_main(hp + qswidth, l); | |
1113 | l = lp; | |
1114 | } else { | |
1115 | qsort_main(a, lp); | |
1116 | a = hp + qswidth; | |
1117 | } | |
1118 | goto start; | |
1119 | } | |
1120 | ||
1121 | q3exchange(j, lp -= qswidth, i); | |
1122 | j = hp -= qswidth; | |
1123 | } | |
1124 | } | |
1125 | ||
1126 | void psxBios_qsort() { // 0x31 | |
1127 | qswidth = a2; | |
1128 | qscmpfunc = a3; | |
1129 | qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2); | |
1130 | ||
1131 | pc0 = ra; | |
1132 | } | |
1133 | ||
1134 | void psxBios_malloc() { // 0x33 | |
2cb5735e | 1135 | u32 *chunk, *newchunk = NULL; |
808a13bd | 1136 | unsigned int dsize = 0, csize, cstat; |
ef79bbde P |
1137 | int colflag; |
1138 | #ifdef PSXBIOS_LOG | |
1139 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]); | |
1140 | #endif | |
26b964b5 | 1141 | if (!a0 || (!heap_size || !heap_addr)) { |
1142 | v0 = 0; | |
1143 | pc0 = ra; | |
1144 | return; | |
1145 | } | |
ef79bbde P |
1146 | |
1147 | // scan through heap and combine free chunks of space | |
1148 | chunk = heap_addr; | |
1149 | colflag = 0; | |
1150 | while(chunk < heap_end) { | |
1151 | // get size and status of actual chunk | |
1152 | csize = ((u32)*chunk) & 0xfffffffc; | |
1153 | cstat = ((u32)*chunk) & 1; | |
1154 | ||
26b964b5 | 1155 | // most probably broken heap descriptor |
1156 | // this fixes Burning Road | |
1157 | if (*chunk == 0) { | |
1158 | newchunk = chunk; | |
1159 | dsize = ((uptr)heap_end - (uptr)chunk) - 4; | |
1160 | colflag = 1; | |
1161 | break; | |
1162 | } | |
1163 | ||
ef79bbde P |
1164 | // it's a free chunk |
1165 | if(cstat == 1) { | |
1166 | if(colflag == 0) { | |
1167 | newchunk = chunk; | |
1168 | dsize = csize; | |
1169 | colflag = 1; // let's begin a new collection of free memory | |
1170 | } | |
1171 | else dsize += (csize+4); // add the new size including header | |
1172 | } | |
1173 | // not a free chunk: did we start a collection ? | |
1174 | else { | |
1175 | if(colflag == 1) { // collection is over | |
1176 | colflag = 0; | |
1177 | *newchunk = SWAP32(dsize | 1); | |
1178 | } | |
1179 | } | |
1180 | ||
1181 | // next chunk | |
1182 | chunk = (u32*)((uptr)chunk + csize + 4); | |
1183 | } | |
1184 | // if neccessary free memory on end of heap | |
1185 | if (colflag == 1) | |
1186 | *newchunk = SWAP32(dsize | 1); | |
1187 | ||
1188 | chunk = heap_addr; | |
1189 | csize = ((u32)*chunk) & 0xfffffffc; | |
1190 | cstat = ((u32)*chunk) & 1; | |
1191 | dsize = (a0 + 3) & 0xfffffffc; | |
1192 | ||
1193 | // exit on uninitialized heap | |
1194 | if (chunk == NULL) { | |
26b964b5 | 1195 | printf("malloc %x,%x: Uninitialized Heap!\n", v0, a0); |
ef79bbde P |
1196 | v0 = 0; |
1197 | pc0 = ra; | |
1198 | return; | |
1199 | } | |
1200 | ||
1201 | // search an unused chunk that is big enough until the end of the heap | |
26b964b5 | 1202 | while ((dsize > csize || cstat==0) && chunk < heap_end ) { |
ef79bbde | 1203 | chunk = (u32*)((uptr)chunk + csize + 4); |
26b964b5 | 1204 | |
1205 | // catch out of memory | |
1206 | if(chunk >= heap_end) { | |
1207 | printf("malloc %x,%x: Out of memory error!\n", | |
1208 | v0, a0); | |
1209 | v0 = 0; pc0 = ra; | |
1210 | return; | |
1211 | } | |
1212 | ||
ef79bbde P |
1213 | csize = ((u32)*chunk) & 0xfffffffc; |
1214 | cstat = ((u32)*chunk) & 1; | |
1215 | } | |
1216 | ||
ef79bbde P |
1217 | // allocate memory |
1218 | if(dsize == csize) { | |
1219 | // chunk has same size | |
1220 | *chunk &= 0xfffffffc; | |
26b964b5 | 1221 | } else if (dsize > csize) { |
1222 | v0 = 0; pc0 = ra; | |
1223 | return; | |
1224 | } else { | |
ef79bbde P |
1225 | // split free chunk |
1226 | *chunk = SWAP32(dsize); | |
1227 | newchunk = (u32*)((uptr)chunk + dsize + 4); | |
808a13bd | 1228 | *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1); |
ef79bbde P |
1229 | } |
1230 | ||
1231 | // return pointer to allocated memory | |
26b964b5 | 1232 | v0 = ((uptr)chunk - (uptr)psxM) + 4; |
ef79bbde | 1233 | v0|= 0x80000000; |
26b964b5 | 1234 | //printf ("malloc %x,%x\n", v0, a0); |
ef79bbde P |
1235 | pc0 = ra; |
1236 | } | |
1237 | ||
1238 | void psxBios_free() { // 0x34 | |
1239 | ||
1240 | #ifdef PSXBIOS_LOG | |
1241 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]); | |
1242 | #endif | |
1243 | ||
1244 | SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4)); | |
1245 | ||
ba4ecb8c | 1246 | if (a0) |
1247 | *(u32*)(Ra0-4) |= 1; // set chunk to free | |
ef79bbde P |
1248 | pc0 = ra; |
1249 | } | |
1250 | ||
1251 | void psxBios_calloc() { // 0x37 | |
02949f79 | 1252 | void *pv0; |
ef79bbde P |
1253 | #ifdef PSXBIOS_LOG |
1254 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]); | |
1255 | #endif | |
1256 | ||
1257 | a0 = a0 * a1; | |
1258 | psxBios_malloc(); | |
02949f79 | 1259 | pv0 = Rv0; |
1260 | if (pv0) | |
1261 | memset(pv0, 0, a0); | |
ef79bbde P |
1262 | } |
1263 | ||
1264 | void psxBios_realloc() { // 0x38 | |
1265 | u32 block = a0; | |
1266 | u32 size = a1; | |
1267 | #ifdef PSXBIOS_LOG | |
1268 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]); | |
1269 | #endif | |
1270 | ||
1271 | a0 = block; | |
391b1d5b | 1272 | /* If "old_buf" is zero, executes malloc(new_size), and returns r2=new_buf (or 0=failed). */ |
1273 | if (block == 0) | |
1274 | { | |
1275 | psxBios_malloc(); | |
1276 | } | |
1277 | /* Else, if "new_size" is zero, executes free(old_buf), and returns r2=garbage. */ | |
1278 | else if (size == 0) | |
1279 | { | |
1280 | psxBios_free(); | |
1281 | } | |
1282 | /* Else, executes malloc(new_size), bcopy(old_buf,new_buf,new_size), and free(old_buf), and returns r2=new_buf (or 0=failed). */ | |
1283 | /* Note that it is not quite implemented this way here. */ | |
1284 | else | |
1285 | { | |
1286 | psxBios_free(); | |
1287 | a0 = size; | |
1288 | psxBios_malloc(); | |
1289 | } | |
ef79bbde P |
1290 | } |
1291 | ||
1292 | ||
1293 | /* InitHeap(void *block , int n) */ | |
1294 | void psxBios_InitHeap() { // 0x39 | |
1295 | unsigned int size; | |
1296 | ||
1297 | #ifdef PSXBIOS_LOG | |
1298 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]); | |
1299 | #endif | |
1300 | ||
1301 | if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff); | |
1302 | else size = a1; | |
1303 | ||
1304 | size &= 0xfffffffc; | |
1305 | ||
1306 | heap_addr = (u32 *)Ra0; | |
a85ffa0e | 1307 | heap_size = size; |
1308 | heap_end = (u32 *)((u8 *)heap_addr + heap_size); | |
1309 | /* HACKFIX: Commenting out this line fixes GTA2 crash */ | |
1310 | //*heap_addr = SWAP32(size | 1); | |
ef79bbde | 1311 | |
c979c3ee | 1312 | SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size); |
ef79bbde P |
1313 | |
1314 | pc0 = ra; | |
1315 | } | |
1316 | ||
1317 | void psxBios_getchar() { //0x3b | |
1318 | v0 = getchar(); pc0 = ra; | |
1319 | } | |
1320 | ||
c02b90b2 | 1321 | static void psxBios_printf_psxout() { // 0x3f |
ef79bbde P |
1322 | char tmp[1024]; |
1323 | char tmp2[1024]; | |
1324 | u32 save[4]; | |
1325 | char *ptmp = tmp; | |
1326 | int n=1, i=0, j; | |
02949f79 | 1327 | void *psp; |
1328 | ||
1329 | psp = PSXM(sp); | |
b012a437 | 1330 | if (psp != INVALID_PTR) { |
02949f79 | 1331 | memcpy(save, psp, 4 * 4); |
1332 | psxMu32ref(sp) = SWAP32((u32)a0); | |
1333 | psxMu32ref(sp + 4) = SWAP32((u32)a1); | |
1334 | psxMu32ref(sp + 8) = SWAP32((u32)a2); | |
1335 | psxMu32ref(sp + 12) = SWAP32((u32)a3); | |
1336 | } | |
ef79bbde P |
1337 | |
1338 | while (Ra0[i]) { | |
1339 | switch (Ra0[i]) { | |
1340 | case '%': | |
1341 | j = 0; | |
1342 | tmp2[j++] = '%'; | |
1343 | _start: | |
1344 | switch (Ra0[++i]) { | |
1345 | case '.': | |
1346 | case 'l': | |
1347 | tmp2[j++] = Ra0[i]; goto _start; | |
1348 | default: | |
1349 | if (Ra0[i] >= '0' && Ra0[i] <= '9') { | |
1350 | tmp2[j++] = Ra0[i]; | |
1351 | goto _start; | |
1352 | } | |
1353 | break; | |
1354 | } | |
1355 | tmp2[j++] = Ra0[i]; | |
1356 | tmp2[j] = 0; | |
1357 | ||
1358 | switch (Ra0[i]) { | |
1359 | case 'f': case 'F': | |
1360 | ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break; | |
1361 | case 'a': case 'A': | |
1362 | case 'e': case 'E': | |
1363 | case 'g': case 'G': | |
1364 | ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break; | |
1365 | case 'p': | |
888468ff | 1366 | case 'i': case 'u': |
ef79bbde P |
1367 | case 'd': case 'D': |
1368 | case 'o': case 'O': | |
1369 | case 'x': case 'X': | |
1370 | ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break; | |
1371 | case 'c': | |
1372 | ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break; | |
1373 | case 's': | |
1374 | ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break; | |
1375 | case '%': | |
1376 | *ptmp++ = Ra0[i]; break; | |
1377 | } | |
1378 | i++; | |
1379 | break; | |
1380 | default: | |
1381 | *ptmp++ = Ra0[i++]; | |
1382 | } | |
1383 | } | |
1384 | *ptmp = 0; | |
1385 | ||
c02b90b2 | 1386 | if (psp != INVALID_PTR) |
02949f79 | 1387 | memcpy(psp, save, 4 * 4); |
ef79bbde | 1388 | |
808a13bd | 1389 | SysPrintf("%s", tmp); |
c02b90b2 | 1390 | } |
ef79bbde | 1391 | |
c02b90b2 | 1392 | void psxBios_printf() { // 0x3f |
1393 | psxBios_printf_psxout(); | |
ef79bbde P |
1394 | pc0 = ra; |
1395 | } | |
1396 | ||
e7e1f572 | 1397 | void psxBios_format() { // 0x41 |
1398 | if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0') | |
1399 | { | |
1400 | CreateMcd(Config.Mcd1); | |
1401 | LoadMcd(1, Config.Mcd1); | |
1402 | v0 = 1; | |
1403 | } | |
1404 | else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0') | |
1405 | { | |
1406 | CreateMcd(Config.Mcd2); | |
1407 | LoadMcd(2, Config.Mcd2); | |
1408 | v0 = 1; | |
1409 | } | |
1410 | else | |
1411 | { | |
1412 | v0 = 0; | |
1413 | } | |
1414 | pc0 = ra; | |
1415 | } | |
1416 | ||
9415f066 | 1417 | static void psxBios_SystemErrorUnresolvedException() { |
1418 | if (loadRam32(0xfffc) != 0x12345678) { // prevent log flood | |
1419 | SysPrintf("psxBios_%s\n", biosA0n[0x40]); | |
1420 | storeRam32(0xfffc, 0x12345678); | |
1421 | } | |
1422 | mips_return_void_c(1000); | |
1423 | } | |
1424 | ||
ef79bbde P |
1425 | /* |
1426 | * long Load(char *name, struct EXEC *header); | |
1427 | */ | |
1428 | ||
1429 | void psxBios_Load() { // 0x42 | |
1430 | EXE_HEADER eheader; | |
02949f79 | 1431 | void *pa1; |
ef79bbde P |
1432 | |
1433 | #ifdef PSXBIOS_LOG | |
1434 | PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1); | |
1435 | #endif | |
1436 | ||
02949f79 | 1437 | pa1 = Ra1; |
1438 | if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) { | |
1439 | memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC)); | |
ef79bbde P |
1440 | v0 = 1; |
1441 | } else v0 = 0; | |
1442 | ||
1443 | pc0 = ra; | |
1444 | } | |
1445 | ||
1446 | /* | |
1447 | * int Exec(struct EXEC *header , int argc , char **argv); | |
1448 | */ | |
1449 | ||
1450 | void psxBios_Exec() { // 43 | |
1451 | EXEC *header = (EXEC*)Ra0; | |
1452 | u32 tmp; | |
1453 | ||
1454 | #ifdef PSXBIOS_LOG | |
1455 | PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2); | |
1456 | #endif | |
1457 | ||
1458 | header->_sp = sp; | |
1459 | header->_fp = fp; | |
1460 | header->_sp = sp; | |
1461 | header->_gp = gp; | |
1462 | header->ret = ra; | |
1463 | header->base = s0; | |
1464 | ||
1465 | if (header->S_addr != 0) { | |
1466 | tmp = header->S_addr + header->s_size; | |
1467 | sp = tmp; | |
1468 | fp = sp; | |
1469 | } | |
1470 | ||
1471 | gp = header->gp0; | |
1472 | ||
1473 | s0 = a0; | |
1474 | ||
1475 | a0 = a1; | |
1476 | a1 = a2; | |
1477 | ||
1478 | ra = 0x8000; | |
1479 | pc0 = header->_pc0; | |
1480 | } | |
1481 | ||
1482 | void psxBios_FlushCache() { // 44 | |
1483 | #ifdef PSXBIOS_LOG | |
1484 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]); | |
1485 | #endif | |
630b122b | 1486 | psxCpu->Notify(R3000ACPU_NOTIFY_CACHE_ISOLATED, NULL); |
1487 | psxCpu->Notify(R3000ACPU_NOTIFY_CACHE_UNISOLATED, NULL); | |
ef79bbde P |
1488 | pc0 = ra; |
1489 | } | |
1490 | ||
1491 | void psxBios_GPU_dw() { // 0x46 | |
1492 | int size; | |
355c9136 | 1493 | u32 *ptr; |
ef79bbde P |
1494 | |
1495 | #ifdef PSXBIOS_LOG | |
1496 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]); | |
1497 | #endif | |
1498 | ||
1499 | GPU_writeData(0xa0000000); | |
355c9136 | 1500 | GPU_writeData((a1<<0x10)|(a0&0xffff)); |
1501 | GPU_writeData((a3<<0x10)|(a2&0xffff)); | |
1502 | size = (a2*a3)/2; | |
1503 | ptr = (u32*)PSXM(Rsp[4]); //that is correct? | |
1504 | while(size--) | |
1505 | { | |
1506 | GPU_writeData(SWAPu32(*ptr++)); | |
1507 | } | |
ef79bbde P |
1508 | |
1509 | pc0 = ra; | |
8ec1e4de | 1510 | } |
ef79bbde P |
1511 | |
1512 | void psxBios_mem2vram() { // 0x47 | |
1513 | int size; | |
355c9136 | 1514 | gpuSyncPluginSR(); |
ef79bbde | 1515 | GPU_writeData(0xa0000000); |
355c9136 | 1516 | GPU_writeData((a1<<0x10)|(a0&0xffff)); |
1517 | GPU_writeData((a3<<0x10)|(a2&0xffff)); | |
1518 | size = ((((a2 * a3) / 2) >> 4) << 16); | |
ef79bbde P |
1519 | GPU_writeStatus(0x04000002); |
1520 | psxHwWrite32(0x1f8010f4,0); | |
1521 | psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800); | |
1522 | psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy... | |
355c9136 | 1523 | psxHwWrite32(0x1f8010a4, size | 0x10); |
ef79bbde P |
1524 | psxHwWrite32(0x1f8010a8,0x01000201); |
1525 | ||
1526 | pc0 = ra; | |
1527 | } | |
1528 | ||
1529 | void psxBios_SendGPU() { // 0x48 | |
1530 | GPU_writeStatus(a0); | |
ddbaf678 | 1531 | gpuSyncPluginSR(); |
ef79bbde P |
1532 | pc0 = ra; |
1533 | } | |
1534 | ||
1535 | void psxBios_GPU_cw() { // 0x49 | |
355c9136 | 1536 | gpuSyncPluginSR(); |
ef79bbde | 1537 | GPU_writeData(a0); |
355c9136 | 1538 | v0 = HW_GPU_STATUS; |
ef79bbde P |
1539 | pc0 = ra; |
1540 | } | |
1541 | ||
1542 | void psxBios_GPU_cwb() { // 0x4a | |
355c9136 | 1543 | u32 *ptr = (u32*)Ra0; |
ef79bbde | 1544 | int size = a1; |
355c9136 | 1545 | gpuSyncPluginSR(); |
1546 | while(size--) | |
1547 | { | |
1548 | GPU_writeData(SWAPu32(*ptr++)); | |
ef79bbde P |
1549 | } |
1550 | ||
1551 | pc0 = ra; | |
1552 | } | |
355c9136 | 1553 | |
1554 | void psxBios_GPU_SendPackets() { //4b: | |
1555 | gpuSyncPluginSR(); | |
ef79bbde P |
1556 | GPU_writeStatus(0x04000002); |
1557 | psxHwWrite32(0x1f8010f4,0); | |
1558 | psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800); | |
1559 | psxHwWrite32(0x1f8010a0,a0); | |
1560 | psxHwWrite32(0x1f8010a4,0); | |
1561 | psxHwWrite32(0x1f8010a8,0x010000401); | |
1562 | pc0 = ra; | |
1563 | } | |
1564 | ||
1565 | void psxBios_sys_a0_4c() { // 0x4c GPU relate | |
1566 | psxHwWrite32(0x1f8010a8,0x00000401); | |
1567 | GPU_writeData(0x0400000); | |
1568 | GPU_writeData(0x0200000); | |
1569 | GPU_writeData(0x0100000); | |
cd1ea245 | 1570 | v0 = 0x1f801814; |
ef79bbde P |
1571 | pc0 = ra; |
1572 | } | |
1573 | ||
1574 | void psxBios_GPU_GetGPUStatus() { // 0x4d | |
1575 | v0 = GPU_readStatus(); | |
1576 | pc0 = ra; | |
1577 | } | |
1578 | ||
1579 | #undef s_addr | |
1580 | ||
1581 | void psxBios_LoadExec() { // 51 | |
1582 | EXEC *header = (EXEC*)PSXM(0xf000); | |
1583 | u32 s_addr, s_size; | |
1584 | ||
1585 | #ifdef PSXBIOS_LOG | |
1586 | PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2); | |
1587 | #endif | |
1588 | s_addr = a1; s_size = a2; | |
1589 | ||
8ec1e4de | 1590 | a1 = 0xf000; |
ef79bbde P |
1591 | psxBios_Load(); |
1592 | ||
1593 | header->S_addr = s_addr; | |
1594 | header->s_size = s_size; | |
1595 | ||
1596 | a0 = 0xf000; a1 = 0; a2 = 0; | |
1597 | psxBios_Exec(); | |
1598 | } | |
1599 | ||
1600 | void psxBios__bu_init() { // 70 | |
1601 | #ifdef PSXBIOS_LOG | |
1602 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]); | |
1603 | #endif | |
1604 | ||
1605 | DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 | |
1606 | DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
1607 | ||
1608 | pc0 = ra; | |
1609 | } | |
1610 | ||
1611 | void psxBios__96_init() { // 71 | |
1612 | #ifdef PSXBIOS_LOG | |
1613 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]); | |
1614 | #endif | |
1615 | ||
1616 | pc0 = ra; | |
1617 | } | |
1618 | ||
9415f066 | 1619 | static void psxBios_SysDeqIntRP_(); |
1620 | ||
1621 | static void psxBios_DequeueCdIntr_() { | |
1622 | a0 = 0; a1 = 0x91d0; | |
1623 | psxBios_SysDeqIntRP_(); | |
1624 | a0 = 0; a1 = 0x91e0; | |
1625 | psxBios_SysDeqIntRP_(); | |
1626 | use_cycles(16); | |
1627 | } | |
1628 | ||
1629 | static void psxBios_DequeueCdIntr() { // a3 | |
1630 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0xa3]); | |
1631 | psxBios_DequeueCdIntr_(); | |
1632 | } | |
1633 | ||
1634 | static void psxBios_CdRemove() { // 56, 72 | |
ef79bbde | 1635 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]); |
ef79bbde | 1636 | |
9415f066 | 1637 | // CloseEvent 0xf1000000 |
1638 | // CloseEvent 0xf1000001 | |
1639 | // CloseEvent 0xf1000002 | |
1640 | // CloseEvent 0xf1000003 | |
1641 | // CloseEvent 0xf1000004 | |
1642 | psxBios_DequeueCdIntr_(); | |
1643 | ||
1644 | // EnterCriticalSection - should be done at the beginning, | |
1645 | // but this way is much easier to implement | |
1646 | a0 = 1; | |
1647 | pc0 = A_SYSCALL; | |
1648 | use_cycles(30); | |
ef79bbde P |
1649 | } |
1650 | ||
1651 | void psxBios_SetMem() { // 9f | |
1652 | u32 new = psxHu32(0x1060); | |
1653 | ||
1654 | #ifdef PSXBIOS_LOG | |
1655 | PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1); | |
1656 | #endif | |
1657 | ||
1658 | switch(a0) { | |
1659 | case 2: | |
1660 | psxHu32ref(0x1060) = SWAP32(new); | |
1661 | psxMu32ref(0x060) = a0; | |
1662 | SysPrintf("Change effective memory : %d MBytes\n",a0); | |
1663 | break; | |
1664 | ||
1665 | case 8: | |
1666 | psxHu32ref(0x1060) = SWAP32(new | 0x300); | |
1667 | psxMu32ref(0x060) = a0; | |
1668 | SysPrintf("Change effective memory : %d MBytes\n",a0); | |
8ec1e4de | 1669 | |
ef79bbde P |
1670 | default: |
1671 | SysPrintf("Effective memory must be 2/8 MBytes\n"); | |
1672 | break; | |
1673 | } | |
1674 | ||
1675 | pc0 = ra; | |
1676 | } | |
1677 | ||
18dd7e9e | 1678 | /* TODO FIXME : Not compliant. -1 indicates failure but using 1 for now. */ |
1679 | void psxBios_get_cd_status(void) //a6 | |
1680 | { | |
1681 | v0 = 1; | |
1682 | pc0 = ra; | |
1683 | } | |
1684 | ||
ef79bbde P |
1685 | void psxBios__card_info() { // ab |
1686 | #ifdef PSXBIOS_LOG | |
1687 | PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0); | |
1688 | #endif | |
8ec1e4de | 1689 | u32 ret, port; |
e9fda093 | 1690 | card_active_chan = a0; |
5bf56268 | 1691 | port = card_active_chan >> 4; |
1692 | ||
1693 | switch (port) { | |
1694 | case 0x0: | |
1695 | case 0x1: | |
1696 | ret = 0x2; | |
1697 | if (McdDisable[port & 1]) | |
1698 | ret = 0x8; | |
1699 | break; | |
1700 | default: | |
1701 | #ifdef PSXBIOS_LOG | |
1702 | PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan); | |
1703 | #endif | |
1704 | ret = 0x11; | |
1705 | break; | |
1706 | } | |
1707 | ||
1708 | if (McdDisable[0] && McdDisable[1]) | |
1709 | ret = 0x8; | |
e9fda093 | 1710 | |
8ec1e4de | 1711 | DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 |
5bf56268 | 1712 | // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 |
1713 | DeliverEvent(0x81, ret); // 0xf4000001, 0x0004 | |
ef79bbde P |
1714 | v0 = 1; pc0 = ra; |
1715 | } | |
1716 | ||
1717 | void psxBios__card_load() { // ac | |
1718 | #ifdef PSXBIOS_LOG | |
1719 | PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0); | |
1720 | #endif | |
1721 | ||
e9fda093 | 1722 | card_active_chan = a0; |
1723 | ||
ef79bbde P |
1724 | // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 |
1725 | DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
1726 | ||
1727 | v0 = 1; pc0 = ra; | |
1728 | } | |
1729 | ||
1730 | /* System calls B0 */ | |
1731 | ||
1732 | void psxBios_SetRCnt() { // 02 | |
1733 | #ifdef PSXBIOS_LOG | |
1734 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]); | |
1735 | #endif | |
1736 | ||
1737 | a0&= 0x3; | |
1738 | if (a0 != 3) { | |
1739 | u32 mode=0; | |
1740 | ||
1741 | psxRcntWtarget(a0, a1); | |
1742 | if (a2&0x1000) mode|= 0x050; // Interrupt Mode | |
1743 | if (a2&0x0100) mode|= 0x008; // Count to 0xffff | |
1744 | if (a2&0x0010) mode|= 0x001; // Timer stop mode | |
1745 | if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode | |
1746 | else { if (a2&0x0001) mode|= 0x100; } // System Clock mode | |
1747 | ||
1748 | psxRcntWmode(a0, mode); | |
1749 | } | |
1750 | pc0 = ra; | |
1751 | } | |
1752 | ||
1753 | void psxBios_GetRCnt() { // 03 | |
1754 | #ifdef PSXBIOS_LOG | |
1755 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]); | |
1756 | #endif | |
1757 | ||
1758 | a0&= 0x3; | |
1759 | if (a0 != 3) v0 = psxRcntRcount(a0); | |
1760 | else v0 = 0; | |
1761 | pc0 = ra; | |
1762 | } | |
1763 | ||
1764 | void psxBios_StartRCnt() { // 04 | |
1765 | #ifdef PSXBIOS_LOG | |
1766 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]); | |
1767 | #endif | |
1768 | ||
1769 | a0&= 0x3; | |
1770 | if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4)))); | |
1771 | else psxHu32ref(0x1074)|= SWAPu32(0x1); | |
1772 | v0 = 1; pc0 = ra; | |
1773 | } | |
1774 | ||
1775 | void psxBios_StopRCnt() { // 05 | |
1776 | #ifdef PSXBIOS_LOG | |
1777 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]); | |
1778 | #endif | |
1779 | ||
1780 | a0&= 0x3; | |
1781 | if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4)))); | |
1782 | else psxHu32ref(0x1074)&= SWAPu32(~0x1); | |
1783 | pc0 = ra; | |
1784 | } | |
1785 | ||
1786 | void psxBios_ResetRCnt() { // 06 | |
1787 | #ifdef PSXBIOS_LOG | |
1788 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]); | |
1789 | #endif | |
1790 | ||
1791 | a0&= 0x3; | |
1792 | if (a0 != 3) { | |
1793 | psxRcntWmode(a0, 0); | |
1794 | psxRcntWtarget(a0, 0); | |
1795 | psxRcntWcount(a0, 0); | |
1796 | } | |
1797 | pc0 = ra; | |
1798 | } | |
1799 | ||
1800 | ||
403f235f | 1801 | /* gets ev for use with EventCB */ |
ef79bbde P |
1802 | #define GetEv() \ |
1803 | ev = (a0 >> 24) & 0xf; \ | |
1804 | if (ev == 0xf) ev = 0x5; \ | |
1805 | ev*= 32; \ | |
1806 | ev+= a0&0x1f; | |
1807 | ||
403f235f | 1808 | /* gets spec for use with EventCB */ |
ef79bbde P |
1809 | #define GetSpec() \ |
1810 | spec = 0; \ | |
1811 | switch (a1) { \ | |
1812 | case 0x0301: spec = 16; break; \ | |
1813 | case 0x0302: spec = 17; break; \ | |
1814 | default: \ | |
1815 | for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \ | |
1816 | break; \ | |
1817 | } | |
1818 | ||
1819 | void psxBios_DeliverEvent() { // 07 | |
1820 | int ev, spec; | |
1821 | int i; | |
1822 | ||
1823 | GetEv(); | |
1824 | GetSpec(); | |
1825 | ||
1826 | #ifdef PSXBIOS_LOG | |
1827 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec); | |
1828 | #endif | |
1829 | ||
1830 | DeliverEvent(ev, spec); | |
1831 | ||
1832 | pc0 = ra; | |
1833 | } | |
1834 | ||
1835 | void psxBios_OpenEvent() { // 08 | |
1836 | int ev, spec; | |
1837 | int i; | |
1838 | ||
1839 | GetEv(); | |
1840 | GetSpec(); | |
1841 | ||
1842 | #ifdef PSXBIOS_LOG | |
1843 | PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3); | |
1844 | #endif | |
1845 | ||
403f235f | 1846 | EventCB[ev][spec].status = EvStWAIT; |
1847 | EventCB[ev][spec].mode = a2; | |
1848 | EventCB[ev][spec].fhandler = a3; | |
ef79bbde P |
1849 | |
1850 | v0 = ev | (spec << 8); | |
1851 | pc0 = ra; | |
1852 | } | |
1853 | ||
1854 | void psxBios_CloseEvent() { // 09 | |
1855 | int ev, spec; | |
1856 | ||
1857 | ev = a0 & 0xff; | |
1858 | spec = (a0 >> 8) & 0xff; | |
1859 | ||
1860 | #ifdef PSXBIOS_LOG | |
1861 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec); | |
1862 | #endif | |
1863 | ||
403f235f | 1864 | EventCB[ev][spec].status = EvStUNUSED; |
ef79bbde P |
1865 | |
1866 | v0 = 1; pc0 = ra; | |
1867 | } | |
1868 | ||
1869 | void psxBios_WaitEvent() { // 0a | |
1870 | int ev, spec; | |
1871 | ||
1872 | ev = a0 & 0xff; | |
1873 | spec = (a0 >> 8) & 0xff; | |
ef79bbde P |
1874 | #ifdef PSXBIOS_LOG |
1875 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec); | |
1876 | #endif | |
403f235f | 1877 | if (EventCB[ev][spec].status == EvStUNUSED) |
d95c9dcb | 1878 | { |
1879 | v0 = 0; | |
8ec1e4de | 1880 | pc0 = ra; |
d95c9dcb | 1881 | return; |
1882 | } | |
ef79bbde | 1883 | |
403f235f | 1884 | if (EventCB[ev][spec].status == EvStALREADY) |
d95c9dcb | 1885 | { |
1886 | /* Callback events (mode=EvMdINTR) do never set the ready flag (and thus WaitEvent would hang forever). */ | |
403f235f | 1887 | if (!(EventCB[ev][spec].mode == EvMdINTR)) EventCB[ev][spec].status = EvStACTIVE; |
d95c9dcb | 1888 | v0 = 1; |
1889 | pc0 = ra; | |
1890 | return; | |
1891 | } | |
ef79bbde | 1892 | |
d95c9dcb | 1893 | v0 = 0; |
1894 | pc0 = ra; | |
ef79bbde P |
1895 | } |
1896 | ||
1897 | void psxBios_TestEvent() { // 0b | |
1898 | int ev, spec; | |
1899 | ||
1900 | ev = a0 & 0xff; | |
1901 | spec = (a0 >> 8) & 0xff; | |
1902 | ||
403f235f | 1903 | if (EventCB[ev][spec].status == EvStALREADY) |
b4ae2532 | 1904 | { |
403f235f | 1905 | if (!(EventCB[ev][spec].mode == EvMdINTR)) EventCB[ev][spec].status = EvStACTIVE; |
b4ae2532 | 1906 | v0 = 1; |
8ec1e4de | 1907 | } |
1908 | else | |
b4ae2532 | 1909 | { |
1910 | v0 = 0; | |
1911 | } | |
ef79bbde P |
1912 | |
1913 | #ifdef PSXBIOS_LOG | |
1914 | PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0); | |
1915 | #endif | |
1916 | ||
1917 | pc0 = ra; | |
1918 | } | |
1919 | ||
1920 | void psxBios_EnableEvent() { // 0c | |
1921 | int ev, spec; | |
1922 | ||
1923 | ev = a0 & 0xff; | |
1924 | spec = (a0 >> 8) & 0xff; | |
1925 | ||
1926 | #ifdef PSXBIOS_LOG | |
1927 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec); | |
1928 | #endif | |
1929 | ||
403f235f | 1930 | EventCB[ev][spec].status = EvStACTIVE; |
ef79bbde P |
1931 | |
1932 | v0 = 1; pc0 = ra; | |
1933 | } | |
1934 | ||
1935 | void psxBios_DisableEvent() { // 0d | |
1936 | int ev, spec; | |
1937 | ||
1938 | ev = a0 & 0xff; | |
1939 | spec = (a0 >> 8) & 0xff; | |
1940 | ||
1941 | #ifdef PSXBIOS_LOG | |
1942 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec); | |
1943 | #endif | |
1944 | ||
403f235f | 1945 | EventCB[ev][spec].status = EvStWAIT; |
ef79bbde P |
1946 | |
1947 | v0 = 1; pc0 = ra; | |
1948 | } | |
1949 | ||
1950 | /* | |
1951 | * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp); | |
1952 | */ | |
1953 | ||
1954 | void psxBios_OpenTh() { // 0e | |
9415f066 | 1955 | TCB *tcb = loadRam32ptr(A_TT_TCB); |
1956 | u32 limit = loadRam32(A_TT_TCB + 4) / 0xc0u; | |
ef79bbde P |
1957 | int th; |
1958 | ||
9415f066 | 1959 | for (th = 1; th < limit; th++) |
a66d3058 | 1960 | { |
9415f066 | 1961 | if (tcb[th].status != SWAP32(0x4000)) break; |
ef79bbde | 1962 | |
a66d3058 | 1963 | } |
9415f066 | 1964 | if (th == limit) { |
a66d3058 | 1965 | // Feb 2019 - Added out-of-bounds fix caught by cppcheck: |
1966 | // When no free TCB is found, return 0xffffffff according to Nocash doc. | |
1967 | #ifdef PSXBIOS_LOG | |
1968 | PSXBIOS_LOG("\t%s() WARNING! No Free TCBs found!\n", __func__); | |
1969 | #endif | |
9415f066 | 1970 | mips_return_c(0xffffffff, 20); |
a66d3058 | 1971 | return; |
1972 | } | |
ef79bbde | 1973 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th); |
ef79bbde | 1974 | |
9415f066 | 1975 | tcb[th].status = SWAP32(0x4000); |
1976 | tcb[th].mode = SWAP32(0x1000); | |
1977 | tcb[th].epc = SWAP32(a0); | |
1978 | tcb[th].reg[30] = SWAP32(a1); // fp | |
1979 | tcb[th].reg[29] = SWAP32(a1); // sp | |
1980 | tcb[th].reg[28] = SWAP32(a2); // gp | |
ef79bbde | 1981 | |
9415f066 | 1982 | mips_return_c(0xff000000 + th, 34); |
ef79bbde P |
1983 | } |
1984 | ||
1985 | /* | |
1986 | * int CloseTh(long thread); | |
1987 | */ | |
1988 | ||
1989 | void psxBios_CloseTh() { // 0f | |
9415f066 | 1990 | TCB *tcb = loadRam32ptr(A_TT_TCB); |
1991 | u32 limit = loadRam32(A_TT_TCB + 4) / 0xc0u; | |
1992 | u32 th = a0 & 0xff; | |
ef79bbde P |
1993 | |
1994 | #ifdef PSXBIOS_LOG | |
1995 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th); | |
1996 | #endif | |
9ee77db1 | 1997 | /* The return value is always 1 (even if the handle was already closed). */ |
1998 | v0 = 1; | |
9415f066 | 1999 | if (th < limit && tcb[th].status == SWAP32(0x4000)) { |
2000 | tcb[th].status = SWAP32(0x1000); | |
ef79bbde P |
2001 | } |
2002 | ||
2003 | pc0 = ra; | |
2004 | } | |
2005 | ||
2006 | /* | |
2007 | * int ChangeTh(long thread); | |
2008 | */ | |
2009 | ||
2010 | void psxBios_ChangeTh() { // 10 | |
9415f066 | 2011 | u32 tcbBase = loadRam32(A_TT_TCB); |
2012 | u32 th = a0 & 0xffff; | |
ef79bbde P |
2013 | |
2014 | #ifdef PSXBIOS_LOG | |
2015 | // PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th); | |
2016 | #endif | |
9415f066 | 2017 | // without doing any argument checks, just issue a syscall |
2018 | // (like the real bios does) | |
2019 | a0 = 3; | |
2020 | a1 = tcbBase + th * sizeof(TCB); | |
2021 | pc0 = A_SYSCALL; | |
2022 | use_cycles(15); | |
ef79bbde P |
2023 | } |
2024 | ||
2025 | void psxBios_InitPAD() { // 0x12 | |
2026 | #ifdef PSXBIOS_LOG | |
2027 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]); | |
2028 | #endif | |
2029 | ||
2030 | pad_buf1 = (char*)Ra0; | |
2031 | pad_buf1len = a1; | |
2032 | pad_buf2 = (char*)Ra2; | |
2033 | pad_buf2len = a3; | |
2034 | ||
2035 | v0 = 1; pc0 = ra; | |
2036 | } | |
2037 | ||
2038 | void psxBios_StartPAD() { // 13 | |
2039 | #ifdef PSXBIOS_LOG | |
2040 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]); | |
2041 | #endif | |
f25c285b | 2042 | pad_stopped = 0; |
ef79bbde | 2043 | psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1)); |
6d79a06f | 2044 | psxRegs.CP0.n.SR |= 0x401; |
ef79bbde P |
2045 | pc0 = ra; |
2046 | } | |
2047 | ||
2048 | void psxBios_StopPAD() { // 14 | |
2049 | #ifdef PSXBIOS_LOG | |
2050 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]); | |
2051 | #endif | |
f25c285b | 2052 | pad_stopped = 1; |
ef79bbde P |
2053 | pad_buf1 = NULL; |
2054 | pad_buf2 = NULL; | |
2055 | pc0 = ra; | |
2056 | } | |
2057 | ||
2058 | void psxBios_PAD_init() { // 15 | |
2059 | #ifdef PSXBIOS_LOG | |
2060 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]); | |
2061 | #endif | |
a824e83d | 2062 | if (!(a0 == 0x20000000 || a0 == 0x20000001)) |
2063 | { | |
2064 | v0 = 0; | |
2065 | pc0 = ra; | |
2066 | return; | |
2067 | } | |
ef79bbde P |
2068 | psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1)); |
2069 | pad_buf = (int *)Ra1; | |
2070 | *pad_buf = -1; | |
6d79a06f | 2071 | psxRegs.CP0.n.SR |= 0x401; |
a824e83d | 2072 | v0 = 2; |
ef79bbde P |
2073 | pc0 = ra; |
2074 | } | |
2075 | ||
2076 | void psxBios_PAD_dr() { // 16 | |
2077 | #ifdef PSXBIOS_LOG | |
2078 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]); | |
2079 | #endif | |
2080 | ||
2081 | v0 = -1; pc0 = ra; | |
2082 | } | |
2083 | ||
9415f066 | 2084 | static void psxBios_ReturnFromException() { // 17 |
2085 | u32 tcbPtr = loadRam32(A_TT_PCB); | |
2086 | const TCB *tcb = loadRam32ptr(tcbPtr); | |
2087 | int i; | |
2088 | ||
2089 | for (i = 1; i < 32; i++) | |
2090 | psxRegs.GPR.r[i] = SWAP32(tcb->reg[i]); | |
2091 | psxRegs.GPR.n.lo = SWAP32(tcb->lo); | |
2092 | psxRegs.GPR.n.hi = SWAP32(tcb->hi); | |
2093 | psxRegs.CP0.n.SR = SWAP32(tcb->sr); | |
ef79bbde | 2094 | |
9415f066 | 2095 | //printf("%s %08x->%08x %u\n", __func__, pc0, tcb->epc, psxRegs.cycle); |
2096 | pc0 = k0 = SWAP32(tcb->epc); | |
ef79bbde | 2097 | |
6d79a06f | 2098 | psxRegs.CP0.n.SR = (psxRegs.CP0.n.SR & ~0x0f) | ((psxRegs.CP0.n.SR & 0x3c) >> 2); |
9415f066 | 2099 | use_cycles(53); |
2100 | psxBranchTest(); | |
ef79bbde P |
2101 | } |
2102 | ||
2103 | void psxBios_ResetEntryInt() { // 18 | |
ef79bbde | 2104 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]); |
ef79bbde | 2105 | |
9415f066 | 2106 | storeRam32(A_EEXIT_PTR, A_EEXIT_DEF); |
2107 | mips_return_void_c(5); | |
ef79bbde P |
2108 | } |
2109 | ||
2110 | void psxBios_HookEntryInt() { // 19 | |
9415f066 | 2111 | PSXBIOS_LOG("psxBios_%s %x\n", biosB0n[0x19], a0); |
ef79bbde | 2112 | |
9415f066 | 2113 | storeRam32(A_EEXIT_PTR, a0); |
2114 | mips_return_void_c(3); | |
ef79bbde P |
2115 | } |
2116 | ||
2117 | void psxBios_UnDeliverEvent() { // 0x20 | |
2118 | int ev, spec; | |
2119 | int i; | |
2120 | ||
2121 | GetEv(); | |
2122 | GetSpec(); | |
2123 | ||
2124 | #ifdef PSXBIOS_LOG | |
2125 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec); | |
2126 | #endif | |
2127 | ||
403f235f | 2128 | if (EventCB[ev][spec].status == EvStALREADY && |
2129 | EventCB[ev][spec].mode == EvMdNOINTR) | |
2130 | EventCB[ev][spec].status = EvStACTIVE; | |
ef79bbde P |
2131 | |
2132 | pc0 = ra; | |
2133 | } | |
2134 | ||
595a136b | 2135 | char ffile[64], *pfile; |
2136 | int nfile; | |
a6a44e96 | 2137 | |
2138 | static void buopen(int mcd, char *ptr, char *cfg) | |
595a136b | 2139 | { |
2140 | int i; | |
a6a44e96 | 2141 | char *mcd_data = ptr; |
595a136b | 2142 | |
2143 | strcpy(FDesc[1 + mcd].name, Ra0+5); | |
2144 | FDesc[1 + mcd].offset = 0; | |
2145 | FDesc[1 + mcd].mode = a1; | |
2146 | ||
2147 | for (i=1; i<16; i++) { | |
a6a44e96 | 2148 | const char *fptr = mcd_data + 128 * i; |
595a136b | 2149 | if ((*fptr & 0xF0) != 0x50) continue; |
2150 | if (strcmp(FDesc[1 + mcd].name, fptr+0xa)) continue; | |
2151 | FDesc[1 + mcd].mcfile = i; | |
2152 | SysPrintf("open %s\n", fptr+0xa); | |
2153 | v0 = 1 + mcd; | |
2154 | break; | |
2155 | } | |
2156 | if (a1 & 0x200 && v0 == -1) { /* FCREAT */ | |
595a136b | 2157 | for (i=1; i<16; i++) { |
2158 | int j, xor, nblk = a1 >> 16; | |
a6a44e96 | 2159 | char *pptr, *fptr2; |
2160 | char *fptr = mcd_data + 128 * i; | |
595a136b | 2161 | |
595a136b | 2162 | if ((*fptr & 0xF0) != 0xa0) continue; |
2163 | ||
2164 | FDesc[1 + mcd].mcfile = i; | |
2165 | fptr[0] = 0x51; | |
2166 | fptr[4] = 0x00; | |
2167 | fptr[5] = 0x20 * nblk; | |
2168 | fptr[6] = 0x00; | |
2169 | fptr[7] = 0x00; | |
2170 | strcpy(fptr+0xa, FDesc[1 + mcd].name); | |
2171 | pptr = fptr2 = fptr; | |
2172 | for(j=2; j<=nblk; j++) { | |
2173 | int k; | |
2174 | for(i++; i<16; i++) { | |
2175 | fptr2 += 128; | |
8ec1e4de | 2176 | |
595a136b | 2177 | memset(fptr2, 0, 128); |
2178 | fptr2[0] = j < nblk ? 0x52 : 0x53; | |
2179 | pptr[8] = i - 1; | |
2180 | pptr[9] = 0; | |
2181 | for (k=0, xor=0; k<127; k++) xor^= pptr[k]; | |
2182 | pptr[127] = xor; | |
2183 | pptr = fptr2; | |
2184 | break; | |
2185 | } | |
2186 | /* shouldn't this return ENOSPC if i == 16? */ | |
2187 | } | |
2188 | pptr[8] = pptr[9] = 0xff; | |
2189 | for (j=0, xor=0; j<127; j++) xor^= pptr[j]; | |
2190 | pptr[127] = xor; | |
2191 | SysPrintf("openC %s %d\n", ptr, nblk); | |
2192 | v0 = 1 + mcd; | |
2193 | /* just go ahead and resave them all */ | |
2194 | SaveMcd(cfg, ptr, 128, 128 * 15); | |
2195 | break; | |
2196 | } | |
2197 | /* shouldn't this return ENOSPC if i == 16? */ | |
2198 | } | |
ef79bbde P |
2199 | } |
2200 | ||
2201 | /* | |
2202 | * int open(char *name , int mode); | |
2203 | */ | |
2204 | ||
2205 | void psxBios_open() { // 0x32 | |
02949f79 | 2206 | void *pa0 = Ra0; |
ef79bbde P |
2207 | |
2208 | #ifdef PSXBIOS_LOG | |
2209 | PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1); | |
2210 | #endif | |
2211 | ||
2212 | v0 = -1; | |
2213 | ||
b012a437 | 2214 | if (pa0 != INVALID_PTR) { |
02949f79 | 2215 | if (!strncmp(pa0, "bu00", 4)) { |
595a136b | 2216 | buopen(1, Mcd1Data, Config.Mcd1); |
02949f79 | 2217 | } |
ef79bbde | 2218 | |
02949f79 | 2219 | if (!strncmp(pa0, "bu10", 4)) { |
595a136b | 2220 | buopen(2, Mcd2Data, Config.Mcd2); |
02949f79 | 2221 | } |
ef79bbde P |
2222 | } |
2223 | ||
2224 | pc0 = ra; | |
2225 | } | |
2226 | ||
2227 | /* | |
2228 | * int lseek(int fd , int offset , int whence); | |
2229 | */ | |
2230 | ||
2231 | void psxBios_lseek() { // 0x33 | |
2232 | #ifdef PSXBIOS_LOG | |
2233 | PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2); | |
2234 | #endif | |
2235 | ||
2236 | switch (a2) { | |
2237 | case 0: // SEEK_SET | |
2238 | FDesc[a0].offset = a1; | |
2239 | v0 = a1; | |
2240 | // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 | |
2241 | // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
2242 | break; | |
2243 | ||
2244 | case 1: // SEEK_CUR | |
2245 | FDesc[a0].offset+= a1; | |
2246 | v0 = FDesc[a0].offset; | |
2247 | break; | |
2248 | } | |
2249 | ||
2250 | pc0 = ra; | |
2251 | } | |
2252 | ||
ef79bbde P |
2253 | |
2254 | /* | |
2255 | * int read(int fd , void *buf , int nbytes); | |
2256 | */ | |
2257 | ||
2258 | void psxBios_read() { // 0x34 | |
2259 | char *ptr; | |
02949f79 | 2260 | void *pa1 = Ra1; |
ef79bbde P |
2261 | |
2262 | #ifdef PSXBIOS_LOG | |
2263 | PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2); | |
2264 | #endif | |
2265 | ||
2266 | v0 = -1; | |
2267 | ||
b012a437 | 2268 | if (pa1 != INVALID_PTR) { |
02949f79 | 2269 | switch (a0) { |
595a136b | 2270 | case 2: buread(pa1, 1, a2); break; |
2271 | case 3: buread(pa1, 2, a2); break; | |
02949f79 | 2272 | } |
ef79bbde | 2273 | } |
ef79bbde | 2274 | |
ef79bbde | 2275 | pc0 = ra; |
ef79bbde P |
2276 | } |
2277 | ||
2278 | /* | |
2279 | * int write(int fd , void *buf , int nbytes); | |
2280 | */ | |
2281 | ||
2282 | void psxBios_write() { // 0x35/0x03 | |
2283 | char *ptr; | |
02949f79 | 2284 | void *pa1 = Ra1; |
2285 | ||
2286 | #ifdef PSXBIOS_LOG | |
2287 | PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2); | |
2288 | #endif | |
2289 | ||
2290 | v0 = -1; | |
b012a437 | 2291 | if (pa1 == INVALID_PTR) { |
02949f79 | 2292 | pc0 = ra; |
2293 | return; | |
2294 | } | |
ef79bbde P |
2295 | |
2296 | if (a0 == 1) { // stdout | |
02949f79 | 2297 | char *ptr = pa1; |
ef79bbde | 2298 | |
02949f79 | 2299 | v0 = a2; |
ef79bbde P |
2300 | while (a2 > 0) { |
2301 | SysPrintf("%c", *ptr++); a2--; | |
2302 | } | |
2303 | pc0 = ra; return; | |
2304 | } | |
ef79bbde P |
2305 | |
2306 | switch (a0) { | |
595a136b | 2307 | case 2: buwrite(pa1, 1, a2); break; |
2308 | case 3: buwrite(pa1, 2, a2); break; | |
ef79bbde P |
2309 | } |
2310 | ||
2311 | pc0 = ra; | |
2312 | } | |
2313 | ||
c02b90b2 | 2314 | static void psxBios_write_psxout() { |
2315 | if (a0 == 1) { // stdout | |
2316 | const char *ptr = Ra1; | |
2317 | int len = a2; | |
2318 | ||
2319 | if (ptr != INVALID_PTR) | |
2320 | while (len-- > 0) | |
2321 | SysPrintf("%c", *ptr++); | |
2322 | } | |
2323 | } | |
2324 | ||
2325 | static void psxBios_putchar_psxout() { // 3d | |
2326 | SysPrintf("%c", (char)a0); | |
2327 | } | |
2328 | ||
2329 | static void psxBios_puts_psxout() { // 3e/3f | |
2330 | SysPrintf("%s", Ra0); | |
2331 | } | |
2332 | ||
ef79bbde P |
2333 | /* |
2334 | * int close(int fd); | |
2335 | */ | |
2336 | ||
2337 | void psxBios_close() { // 0x36 | |
2338 | #ifdef PSXBIOS_LOG | |
2339 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0); | |
2340 | #endif | |
2341 | ||
2342 | v0 = a0; | |
2343 | pc0 = ra; | |
2344 | } | |
2345 | ||
2346 | void psxBios_putchar() { // 3d | |
2347 | SysPrintf("%c", (char)a0); | |
2348 | pc0 = ra; | |
2349 | } | |
2350 | ||
2351 | void psxBios_puts() { // 3e/3f | |
808a13bd | 2352 | SysPrintf("%s", Ra0); |
ef79bbde P |
2353 | pc0 = ra; |
2354 | } | |
2355 | ||
f1514614 | 2356 | |
2357 | /* To avoid any issues with different behaviour when using the libc's own strlen instead. | |
2358 | * We want to mimic the PSX's behaviour in this case for bufile. */ | |
8ec1e4de | 2359 | static size_t strlen_internal(char* p) |
f1514614 | 2360 | { |
2361 | size_t size_of_array = 0; | |
2362 | while (*p++) size_of_array++; | |
2363 | return size_of_array; | |
2364 | } | |
ef79bbde P |
2365 | |
2366 | #define bufile(mcd) { \ | |
f1514614 | 2367 | size_t size_of_name = strlen_internal(dir->name); \ |
ef79bbde P |
2368 | while (nfile < 16) { \ |
2369 | int match=1; \ | |
2370 | \ | |
595a136b | 2371 | ptr = Mcd##mcd##Data + 128 * (nfile + 1); \ |
ef79bbde P |
2372 | nfile++; \ |
2373 | if ((*ptr & 0xF0) != 0x50) continue; \ | |
595a136b | 2374 | /* Bug link files show up as free block. */ \ |
2375 | if (!ptr[0xa]) continue; \ | |
ef79bbde P |
2376 | ptr+= 0xa; \ |
2377 | if (pfile[0] == 0) { \ | |
f1514614 | 2378 | strncpy(dir->name, ptr, sizeof(dir->name) - 1); \ |
2379 | if (size_of_name < sizeof(dir->name)) dir->name[size_of_name] = '\0'; \ | |
ef79bbde P |
2380 | } else for (i=0; i<20; i++) { \ |
2381 | if (pfile[i] == ptr[i]) { \ | |
595a136b | 2382 | dir->name[i] = ptr[i]; continue; } \ |
ef79bbde P |
2383 | if (pfile[i] == '?') { \ |
2384 | dir->name[i] = ptr[i]; continue; } \ | |
2385 | if (pfile[i] == '*') { \ | |
2386 | strcpy(dir->name+i, ptr+i); break; } \ | |
2387 | match = 0; break; \ | |
2388 | } \ | |
2389 | SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \ | |
595a136b | 2390 | if (match == 0) { continue; } \ |
ef79bbde P |
2391 | dir->size = 8192; \ |
2392 | v0 = _dir; \ | |
2393 | break; \ | |
2394 | } \ | |
2395 | } | |
2396 | ||
2397 | /* | |
2398 | * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir); | |
2399 | */ | |
8ec1e4de | 2400 | |
ef79bbde P |
2401 | void psxBios_firstfile() { // 42 |
2402 | struct DIRENTRY *dir = (struct DIRENTRY *)Ra1; | |
02949f79 | 2403 | void *pa0 = Ra0; |
ef79bbde P |
2404 | u32 _dir = a1; |
2405 | char *ptr; | |
2406 | int i; | |
2407 | ||
2408 | #ifdef PSXBIOS_LOG | |
2409 | PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0); | |
2410 | #endif | |
2411 | ||
2412 | v0 = 0; | |
2413 | ||
b012a437 | 2414 | if (pa0 != INVALID_PTR) { |
02949f79 | 2415 | strcpy(ffile, pa0); |
2416 | pfile = ffile+5; | |
8f3b2bd3 | 2417 | nfile = 0; |
02949f79 | 2418 | if (!strncmp(pa0, "bu00", 4)) { |
857fabea | 2419 | // firstfile() calls _card_read() internally, so deliver it's event |
2420 | DeliverEvent(0x11, 0x2); | |
02949f79 | 2421 | bufile(1); |
2422 | } else if (!strncmp(pa0, "bu10", 4)) { | |
857fabea | 2423 | // firstfile() calls _card_read() internally, so deliver it's event |
2424 | DeliverEvent(0x11, 0x2); | |
02949f79 | 2425 | bufile(2); |
2426 | } | |
ef79bbde P |
2427 | } |
2428 | ||
2429 | pc0 = ra; | |
2430 | } | |
2431 | ||
2432 | /* | |
2433 | * struct DIRENTRY* nextfile(struct DIRENTRY *dir); | |
2434 | */ | |
2435 | ||
2436 | void psxBios_nextfile() { // 43 | |
2437 | struct DIRENTRY *dir = (struct DIRENTRY *)Ra0; | |
2438 | u32 _dir = a0; | |
2439 | char *ptr; | |
2440 | int i; | |
2441 | ||
2442 | #ifdef PSXBIOS_LOG | |
2443 | PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name); | |
2444 | #endif | |
2445 | ||
2446 | v0 = 0; | |
2447 | ||
2448 | if (!strncmp(ffile, "bu00", 4)) { | |
2449 | bufile(1); | |
2450 | } | |
2451 | ||
2452 | if (!strncmp(ffile, "bu10", 4)) { | |
2453 | bufile(2); | |
2454 | } | |
2455 | ||
2456 | pc0 = ra; | |
2457 | } | |
2458 | ||
2459 | #define burename(mcd) { \ | |
2460 | for (i=1; i<16; i++) { \ | |
2461 | int namelen, j, xor = 0; \ | |
2462 | ptr = Mcd##mcd##Data + 128 * i; \ | |
2463 | if ((*ptr & 0xF0) != 0x50) continue; \ | |
2464 | if (strcmp(Ra0+5, ptr+0xa)) continue; \ | |
2465 | namelen = strlen(Ra1+5); \ | |
2466 | memcpy(ptr+0xa, Ra1+5, namelen); \ | |
2467 | memset(ptr+0xa+namelen, 0, 0x75-namelen); \ | |
2468 | for (j=0; j<127; j++) xor^= ptr[j]; \ | |
2469 | ptr[127] = xor; \ | |
2470 | SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \ | |
2471 | v0 = 1; \ | |
2472 | break; \ | |
2473 | } \ | |
2474 | } | |
2475 | ||
2476 | /* | |
2477 | * int rename(char *old, char *new); | |
2478 | */ | |
2479 | ||
2480 | void psxBios_rename() { // 44 | |
02949f79 | 2481 | void *pa0 = Ra0; |
2482 | void *pa1 = Ra1; | |
ef79bbde P |
2483 | char *ptr; |
2484 | int i; | |
2485 | ||
2486 | #ifdef PSXBIOS_LOG | |
2487 | PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1); | |
2488 | #endif | |
2489 | ||
2490 | v0 = 0; | |
2491 | ||
b012a437 | 2492 | if (pa0 != INVALID_PTR && pa1 != INVALID_PTR) { |
02949f79 | 2493 | if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) { |
2494 | burename(1); | |
2495 | } | |
ef79bbde | 2496 | |
02949f79 | 2497 | if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) { |
2498 | burename(2); | |
2499 | } | |
ef79bbde P |
2500 | } |
2501 | ||
2502 | pc0 = ra; | |
2503 | } | |
2504 | ||
2505 | ||
2506 | #define budelete(mcd) { \ | |
2507 | for (i=1; i<16; i++) { \ | |
2508 | ptr = Mcd##mcd##Data + 128 * i; \ | |
2509 | if ((*ptr & 0xF0) != 0x50) continue; \ | |
2510 | if (strcmp(Ra0+5, ptr+0xa)) continue; \ | |
2511 | *ptr = (*ptr & 0xf) | 0xA0; \ | |
2512 | SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \ | |
2513 | SysPrintf("delete %s\n", ptr+0xa); \ | |
2514 | v0 = 1; \ | |
2515 | break; \ | |
2516 | } \ | |
2517 | } | |
2518 | ||
2519 | /* | |
2520 | * int delete(char *name); | |
2521 | */ | |
2522 | ||
2523 | void psxBios_delete() { // 45 | |
02949f79 | 2524 | void *pa0 = Ra0; |
ef79bbde P |
2525 | char *ptr; |
2526 | int i; | |
2527 | ||
2528 | #ifdef PSXBIOS_LOG | |
2529 | PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0); | |
2530 | #endif | |
2531 | ||
2532 | v0 = 0; | |
2533 | ||
b012a437 | 2534 | if (pa0 != INVALID_PTR) { |
02949f79 | 2535 | if (!strncmp(pa0, "bu00", 4)) { |
2536 | budelete(1); | |
2537 | } | |
ef79bbde | 2538 | |
02949f79 | 2539 | if (!strncmp(pa0, "bu10", 4)) { |
2540 | budelete(2); | |
2541 | } | |
ef79bbde P |
2542 | } |
2543 | ||
2544 | pc0 = ra; | |
2545 | } | |
2546 | ||
2547 | void psxBios_InitCARD() { // 4a | |
2548 | #ifdef PSXBIOS_LOG | |
2549 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0); | |
2550 | #endif | |
2551 | ||
2552 | CardState = 0; | |
2553 | ||
2554 | pc0 = ra; | |
2555 | } | |
2556 | ||
2557 | void psxBios_StartCARD() { // 4b | |
2558 | #ifdef PSXBIOS_LOG | |
2559 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]); | |
2560 | #endif | |
2561 | ||
2562 | if (CardState == 0) CardState = 1; | |
2563 | ||
2564 | pc0 = ra; | |
2565 | } | |
2566 | ||
2567 | void psxBios_StopCARD() { // 4c | |
2568 | #ifdef PSXBIOS_LOG | |
2569 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]); | |
2570 | #endif | |
2571 | ||
2572 | if (CardState == 1) CardState = 0; | |
2573 | ||
2574 | pc0 = ra; | |
2575 | } | |
2576 | ||
2577 | void psxBios__card_write() { // 0x4e | |
02949f79 | 2578 | void *pa2 = Ra2; |
ef79bbde P |
2579 | int port; |
2580 | ||
2581 | #ifdef PSXBIOS_LOG | |
2582 | PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2); | |
2583 | #endif | |
1059caaf | 2584 | /* |
2585 | Function also accepts sector 400h (a bug). | |
2586 | But notaz said we shouldn't allow sector 400h because it can corrupt the emulator. | |
2587 | */ | |
2588 | if (!(a1 <= 0x3FF)) | |
bd48ba5e | 2589 | { |
2590 | /* Invalid sectors */ | |
2591 | v0 = 0; pc0 = ra; | |
2592 | return; | |
2593 | } | |
e9fda093 | 2594 | card_active_chan = a0; |
ef79bbde P |
2595 | port = a0 >> 4; |
2596 | ||
b012a437 | 2597 | if (pa2 != INVALID_PTR) { |
02949f79 | 2598 | if (port == 0) { |
2599 | memcpy(Mcd1Data + a1 * 128, pa2, 128); | |
2600 | SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128); | |
2601 | } else { | |
2602 | memcpy(Mcd2Data + a1 * 128, pa2, 128); | |
2603 | SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128); | |
2604 | } | |
ef79bbde P |
2605 | } |
2606 | ||
2607 | DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 | |
2608 | // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
2609 | ||
2610 | v0 = 1; pc0 = ra; | |
2611 | } | |
2612 | ||
2613 | void psxBios__card_read() { // 0x4f | |
02949f79 | 2614 | void *pa2 = Ra2; |
ef79bbde P |
2615 | int port; |
2616 | ||
2617 | #ifdef PSXBIOS_LOG | |
2618 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]); | |
2619 | #endif | |
1059caaf | 2620 | /* |
2621 | Function also accepts sector 400h (a bug). | |
2622 | But notaz said we shouldn't allow sector 400h because it can corrupt the emulator. | |
2623 | */ | |
2624 | if (!(a1 <= 0x3FF)) | |
bd48ba5e | 2625 | { |
2626 | /* Invalid sectors */ | |
2627 | v0 = 0; pc0 = ra; | |
2628 | return; | |
2629 | } | |
e9fda093 | 2630 | card_active_chan = a0; |
ef79bbde P |
2631 | port = a0 >> 4; |
2632 | ||
b012a437 | 2633 | if (pa2 != INVALID_PTR) { |
02949f79 | 2634 | if (port == 0) { |
2635 | memcpy(pa2, Mcd1Data + a1 * 128, 128); | |
2636 | } else { | |
2637 | memcpy(pa2, Mcd2Data + a1 * 128, 128); | |
2638 | } | |
ef79bbde P |
2639 | } |
2640 | ||
2641 | DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 | |
2642 | // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
2643 | ||
2644 | v0 = 1; pc0 = ra; | |
2645 | } | |
2646 | ||
2647 | void psxBios__new_card() { // 0x50 | |
2648 | #ifdef PSXBIOS_LOG | |
2649 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]); | |
2650 | #endif | |
2651 | ||
2652 | pc0 = ra; | |
2653 | } | |
2654 | ||
002b2f7d | 2655 | /* According to a user, this allows Final Fantasy Tactics to save/load properly */ |
2656 | void psxBios__get_error(void) // 55 | |
8ec1e4de | 2657 | { |
9415f066 | 2658 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x55]); |
002b2f7d | 2659 | v0 = 0; |
2660 | pc0 = ra; | |
2661 | } | |
2662 | ||
ef79bbde P |
2663 | void psxBios_Krom2RawAdd() { // 0x51 |
2664 | int i = 0; | |
2665 | ||
9415f066 | 2666 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x51]); |
ef79bbde P |
2667 | const u32 table_8140[][2] = { |
2668 | {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8}, | |
2669 | {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a}, | |
2670 | {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c}, | |
2671 | {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266}, | |
2672 | {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e}, | |
2673 | {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a}, | |
2674 | {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c}, | |
2675 | {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca}, | |
2676 | {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8}, | |
2677 | {0xffff, 0} | |
2678 | }; | |
2679 | ||
2680 | const u32 table_889f[][2] = { | |
2681 | {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4}, | |
2682 | {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304}, | |
2683 | {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14}, | |
2684 | {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24}, | |
2685 | {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734}, | |
2686 | {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344}, | |
2687 | {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54}, | |
2688 | {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64}, | |
2689 | {0xffff, 0} | |
2690 | }; | |
2691 | ||
2692 | if (a0 >= 0x8140 && a0 <= 0x84be) { | |
2693 | while (table_8140[i][0] <= a0) i++; | |
2694 | a0 -= table_8140[i - 1][0]; | |
2695 | v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]); | |
2696 | } else if (a0 >= 0x889f && a0 <= 0x9872) { | |
2697 | while (table_889f[i][0] <= a0) i++; | |
2698 | a0 -= table_889f[i - 1][0]; | |
2699 | v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]); | |
2700 | } else { | |
2701 | v0 = 0xffffffff; | |
2702 | } | |
2703 | ||
2704 | pc0 = ra; | |
2705 | } | |
2706 | ||
2707 | void psxBios_GetC0Table() { // 56 | |
ef79bbde | 2708 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]); |
9415f066 | 2709 | log_unhandled("GetC0Table @%08x\n", ra); |
ef79bbde | 2710 | |
9415f066 | 2711 | mips_return_c(A_C0_TABLE, 3); |
ef79bbde P |
2712 | } |
2713 | ||
2714 | void psxBios_GetB0Table() { // 57 | |
ef79bbde | 2715 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]); |
9415f066 | 2716 | log_unhandled("GetB0Table @%08x\n", ra); |
ef79bbde | 2717 | |
9415f066 | 2718 | mips_return_c(A_B0_TABLE, 3); |
ef79bbde P |
2719 | } |
2720 | ||
e9fda093 | 2721 | void psxBios__card_chan() { // 0x58 |
2722 | #ifdef PSXBIOS_LOG | |
2723 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]); | |
2724 | #endif | |
2725 | ||
2726 | v0 = card_active_chan; | |
2727 | pc0 = ra; | |
2728 | } | |
2729 | ||
ef79bbde P |
2730 | void psxBios_ChangeClearPad() { // 5b |
2731 | #ifdef PSXBIOS_LOG | |
2732 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0); | |
8ec1e4de | 2733 | #endif |
ef79bbde P |
2734 | |
2735 | pc0 = ra; | |
2736 | } | |
2737 | ||
872515f9 | 2738 | void psxBios__card_status() { // 5c |
2739 | #ifdef PSXBIOS_LOG | |
21af3ff6 | 2740 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5c], a0); |
872515f9 | 2741 | #endif |
2742 | ||
cf1af0ed | 2743 | v0 = card_active_chan; |
21af3ff6 | 2744 | pc0 = ra; |
2745 | } | |
2746 | ||
5f652aa9 | 2747 | void psxBios__card_wait() { // 5d |
2748 | #ifdef PSXBIOS_LOG | |
2749 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5d], a0); | |
2750 | #endif | |
2751 | ||
2752 | v0 = 1; | |
2753 | pc0 = ra; | |
872515f9 | 2754 | } |
2755 | ||
ef79bbde P |
2756 | /* System calls C0 */ |
2757 | ||
2758 | /* | |
2759 | * int SysEnqIntRP(int index , long *queue); | |
2760 | */ | |
2761 | ||
2762 | void psxBios_SysEnqIntRP() { // 02 | |
9415f066 | 2763 | u32 old, base = loadRam32(A_TT_ExCB); |
2764 | PSXBIOS_LOG("psxBios_%s %x %x\n", biosC0n[0x02], a0, a1); | |
ef79bbde | 2765 | |
9415f066 | 2766 | old = loadRam32(base + (a0 << 3)); |
2767 | storeRam32(base + (a0 << 3), a1); | |
2768 | storeRam32(a1, old); | |
2769 | mips_return_c(0, 9); | |
ef79bbde P |
2770 | } |
2771 | ||
2772 | /* | |
2773 | * int SysDeqIntRP(int index , long *queue); | |
2774 | */ | |
2775 | ||
9415f066 | 2776 | static void psxBios_SysDeqIntRP_() { // 03 |
2777 | u32 ptr, next, base = loadRam32(A_TT_ExCB); | |
2778 | u32 lim = 0, ret = 0; | |
2779 | ||
2780 | // as in original: no arg checks of any kind, bug if a1 == 0 | |
2781 | ptr = loadRam32(base + (a0 << 3)); | |
2782 | while (ptr) { | |
2783 | next = loadRam32(ptr); | |
2784 | if (ptr == a1) { | |
2785 | storeRam32(base + (a0 << 3), next); | |
2786 | ret = ptr; | |
2787 | use_cycles(6); | |
2788 | break; | |
2789 | } | |
2790 | while (next && next != a1 && lim++ < 100) { | |
2791 | ptr = next; | |
2792 | next = loadRam32(ptr); | |
2793 | use_cycles(8); | |
2794 | } | |
2795 | if (next == a1) { | |
2796 | next = loadRam32(next); | |
2797 | storeRam32(ptr, next); | |
2798 | ret = ptr; | |
2799 | use_cycles(6); | |
2800 | } | |
2801 | break; | |
2802 | } | |
2803 | if (lim == 100) | |
2804 | PSXBIOS_LOG("bad chain %u %x\n", a0, base); | |
ef79bbde | 2805 | |
9415f066 | 2806 | mips_return_c(ret, 12); |
2807 | } | |
ef79bbde | 2808 | |
9415f066 | 2809 | static void psxBios_SysDeqIntRP() { // 03 |
2810 | PSXBIOS_LOG("psxBios_%s %x %x\n", biosC0n[0x03], a0, a1); | |
2811 | psxBios_SysDeqIntRP_(); | |
ef79bbde P |
2812 | } |
2813 | ||
2814 | void psxBios_ChangeClearRCnt() { // 0a | |
9415f066 | 2815 | u32 ret; |
ef79bbde | 2816 | |
ef79bbde | 2817 | PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1); |
ef79bbde | 2818 | |
9415f066 | 2819 | ret = loadRam32(A_RCNT_VBL_ACK + (a0 << 2)); |
2820 | storeRam32(A_RCNT_VBL_ACK + (a0 << 2), a1); | |
2821 | mips_return_c(ret, 8); | |
ef79bbde P |
2822 | } |
2823 | ||
8ec1e4de | 2824 | void psxBios_dummy() { |
9415f066 | 2825 | u32 pc = (pc0 & 0x1fffff) - 4; |
2826 | char **ntab = pc == 0xa0 ? biosA0n : pc == 0xb0 ? biosB0n | |
2827 | : pc == 0xc0 ? biosC0n : NULL; | |
2828 | PSXBIOS_LOG("unk %x call: %x ra=%x (%s)\n", | |
2829 | pc, t1, ra, ntab ? ntab[t1 & 0xff] : "???"); | |
2830 | (void)pc; (void)ntab; | |
2831 | mips_return_c(0, 100); | |
ef79bbde P |
2832 | } |
2833 | ||
2834 | void (*biosA0[256])(); | |
9415f066 | 2835 | // C0 and B0 overlap (end of C0 is start of B0) |
2836 | void (*biosC0[256+128])(); | |
2837 | void (**biosB0)() = biosC0 + 128; | |
ef79bbde P |
2838 | |
2839 | #include "sjisfont.h" | |
2840 | ||
9415f066 | 2841 | void setup_mips_code() |
2842 | { | |
2843 | u32 *ptr; | |
2844 | ptr = (u32 *)&psxM[A_SYSCALL]; | |
2845 | ptr[0x00/4] = SWAPu32(0x0000000c); // syscall 0 | |
2846 | ptr[0x04/4] = SWAPu32(0x03e00008); // jr $ra | |
2847 | ptr[0x08/4] = SWAPu32(0x00000000); // nop | |
2848 | ||
2849 | ptr = (u32 *)&psxM[A_EXCEPTION]; | |
2850 | memset(ptr, 0, 0xc0); // nops (to be patched by games sometimes) | |
2851 | ptr[0x10/4] = SWAPu32(0x8c1a0108); // lw $k0, (0x108) // PCB | |
2852 | ptr[0x14/4] = SWAPu32(0x00000000); // nop | |
2853 | ptr[0x18/4] = SWAPu32(0x8f5a0000); // lw $k0, ($k0) // TCB | |
2854 | ptr[0x1c/4] = SWAPu32(0x00000000); // nop | |
2855 | ptr[0x20/4] = SWAPu32(0x275a0008); // addiu $k0, $k0, 8 // regs | |
2856 | ptr[0x24/4] = SWAPu32(0xaf5f007c); // sw $ra, 0x7c($k0) | |
2857 | ptr[0x28/4] = SWAPu32(0xaf410004); // sw $at, 0x04($k0) | |
2858 | ptr[0x2c/4] = SWAPu32(0xaf420008); // sw $v0, 0x08($k0) | |
2859 | ptr[0x30/4] = SWAPu32(0xaf43000c); // sw $v1, 0x0c($k0) | |
2860 | ||
2861 | ptr[0x60/4] = SWAPu32(0x40037000); // mfc0 $v1, EPC | |
2862 | ptr[0x64/4] = SWAPu32(0x40026800); // mfc0 $v0, Cause | |
2863 | ptr[0x68/4] = SWAPu32(0x24630004); // addiu $v1, $v1, 4 | |
2864 | ptr[0x6c/4] = SWAPu32(0xaf430080); // sw $v1, 0x80($k0) | |
2865 | ||
2866 | ptr[0xb0/4] = HLEOP(hleop_exception); | |
2867 | } | |
2868 | ||
2869 | static const struct { | |
2870 | u32 addr; | |
2871 | enum hle_op op; | |
2872 | } chainfns[] = { | |
2873 | { 0xbfc050a4, hleop_exc0_0_1 }, | |
2874 | { 0xbfc04fbc, hleop_exc0_0_2 }, | |
2875 | { 0xbfc0506c, hleop_exc0_1_1 }, | |
2876 | { 0xbfc04dec, hleop_exc0_1_2 }, | |
2877 | { 0x1a00, hleop_exc0_2_2 }, | |
2878 | { 0x19c8, hleop_exc1_0_1 }, | |
2879 | { 0x18bc, hleop_exc1_0_2 }, | |
2880 | { 0x1990, hleop_exc1_1_1 }, | |
2881 | { 0x1858, hleop_exc1_1_2 }, | |
2882 | { 0x1958, hleop_exc1_2_1 }, | |
2883 | { 0x17f4, hleop_exc1_2_2 }, | |
2884 | { 0x1920, hleop_exc1_3_1 }, | |
2885 | { 0x1794, hleop_exc1_3_2 }, | |
2886 | { 0x2458, hleop_exc3_0_2 }, | |
2887 | }; | |
2888 | ||
2889 | static int chain_hle_op(u32 handler) | |
2890 | { | |
2891 | size_t i; | |
2892 | ||
2893 | for (i = 0; i < sizeof(chainfns) / sizeof(chainfns[0]); i++) | |
2894 | if (chainfns[i].addr == handler) | |
2895 | return chainfns[i].op; | |
2896 | return hleop_dummy; | |
2897 | } | |
2898 | ||
2899 | static void write_chain(u32 *d, u32 next, u32 handler1, u32 handler2) | |
2900 | { | |
2901 | d[0] = SWAPu32(next); | |
2902 | d[1] = SWAPu32(handler1); | |
2903 | d[2] = SWAPu32(handler2); | |
2904 | ||
2905 | // install hle traps | |
2906 | PSXMu32ref(handler1) = HLEOP(chain_hle_op(handler1)); | |
2907 | PSXMu32ref(handler2) = HLEOP(chain_hle_op(handler2)); | |
2908 | } | |
2909 | ||
ef79bbde P |
2910 | void psxBiosInit() { |
2911 | u32 base, size; | |
9415f066 | 2912 | u32 *ptr, *ram32; |
ef79bbde P |
2913 | int i; |
2914 | uLongf len; | |
2915 | ||
9415f066 | 2916 | memset(psxM, 0, 0x10000); |
ef79bbde P |
2917 | for(i = 0; i < 256; i++) { |
2918 | biosA0[i] = NULL; | |
2919 | biosB0[i] = NULL; | |
2920 | biosC0[i] = NULL; | |
2921 | } | |
c02b90b2 | 2922 | biosA0[0x03] = biosB0[0x35] = psxBios_write_psxout; |
2923 | biosA0[0x3c] = biosB0[0x3d] = psxBios_putchar_psxout; | |
2924 | biosA0[0x3e] = biosB0[0x3f] = psxBios_puts_psxout; | |
2925 | biosA0[0x3f] = psxBios_printf_psxout; | |
ef79bbde P |
2926 | |
2927 | if (!Config.HLE) return; | |
2928 | ||
2929 | for(i = 0; i < 256; i++) { | |
2930 | if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy; | |
2931 | if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy; | |
2932 | if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy; | |
2933 | } | |
2934 | ||
2935 | biosA0[0x00] = psxBios_open; | |
2936 | biosA0[0x01] = psxBios_lseek; | |
2937 | biosA0[0x02] = psxBios_read; | |
2938 | biosA0[0x03] = psxBios_write; | |
2939 | biosA0[0x04] = psxBios_close; | |
2940 | //biosA0[0x05] = psxBios_ioctl; | |
2941 | //biosA0[0x06] = psxBios_exit; | |
2942 | //biosA0[0x07] = psxBios_sys_a0_07; | |
324cec89 | 2943 | biosA0[0x08] = psxBios_getc; |
2944 | biosA0[0x09] = psxBios_putc; | |
ba11675c | 2945 | biosA0[0x0a] = psxBios_todigit; |
ef79bbde P |
2946 | //biosA0[0x0b] = psxBios_atof; |
2947 | //biosA0[0x0c] = psxBios_strtoul; | |
2948 | //biosA0[0x0d] = psxBios_strtol; | |
2949 | biosA0[0x0e] = psxBios_abs; | |
2950 | biosA0[0x0f] = psxBios_labs; | |
2951 | biosA0[0x10] = psxBios_atoi; | |
2952 | biosA0[0x11] = psxBios_atol; | |
2953 | //biosA0[0x12] = psxBios_atob; | |
2954 | biosA0[0x13] = psxBios_setjmp; | |
2955 | biosA0[0x14] = psxBios_longjmp; | |
2956 | biosA0[0x15] = psxBios_strcat; | |
2957 | biosA0[0x16] = psxBios_strncat; | |
2958 | biosA0[0x17] = psxBios_strcmp; | |
2959 | biosA0[0x18] = psxBios_strncmp; | |
2960 | biosA0[0x19] = psxBios_strcpy; | |
2961 | biosA0[0x1a] = psxBios_strncpy; | |
2962 | biosA0[0x1b] = psxBios_strlen; | |
2963 | biosA0[0x1c] = psxBios_index; | |
2964 | biosA0[0x1d] = psxBios_rindex; | |
2965 | biosA0[0x1e] = psxBios_strchr; | |
2966 | biosA0[0x1f] = psxBios_strrchr; | |
2967 | biosA0[0x20] = psxBios_strpbrk; | |
2968 | biosA0[0x21] = psxBios_strspn; | |
2969 | biosA0[0x22] = psxBios_strcspn; | |
2970 | biosA0[0x23] = psxBios_strtok; | |
2971 | biosA0[0x24] = psxBios_strstr; | |
2972 | biosA0[0x25] = psxBios_toupper; | |
2973 | biosA0[0x26] = psxBios_tolower; | |
2974 | biosA0[0x27] = psxBios_bcopy; | |
2975 | biosA0[0x28] = psxBios_bzero; | |
2976 | biosA0[0x29] = psxBios_bcmp; | |
2977 | biosA0[0x2a] = psxBios_memcpy; | |
2978 | biosA0[0x2b] = psxBios_memset; | |
2979 | biosA0[0x2c] = psxBios_memmove; | |
2980 | biosA0[0x2d] = psxBios_memcmp; | |
2981 | biosA0[0x2e] = psxBios_memchr; | |
2982 | biosA0[0x2f] = psxBios_rand; | |
2983 | biosA0[0x30] = psxBios_srand; | |
2984 | biosA0[0x31] = psxBios_qsort; | |
2985 | //biosA0[0x32] = psxBios_strtod; | |
2986 | biosA0[0x33] = psxBios_malloc; | |
2987 | biosA0[0x34] = psxBios_free; | |
2988 | //biosA0[0x35] = psxBios_lsearch; | |
2989 | //biosA0[0x36] = psxBios_bsearch; | |
2990 | biosA0[0x37] = psxBios_calloc; | |
2991 | biosA0[0x38] = psxBios_realloc; | |
2992 | biosA0[0x39] = psxBios_InitHeap; | |
2993 | //biosA0[0x3a] = psxBios__exit; | |
2994 | biosA0[0x3b] = psxBios_getchar; | |
8ec1e4de | 2995 | biosA0[0x3c] = psxBios_putchar; |
ef79bbde | 2996 | //biosA0[0x3d] = psxBios_gets; |
9415f066 | 2997 | biosA0[0x40] = psxBios_SystemErrorUnresolvedException; |
ef79bbde P |
2998 | //biosA0[0x41] = psxBios_LoadTest; |
2999 | biosA0[0x42] = psxBios_Load; | |
3000 | biosA0[0x43] = psxBios_Exec; | |
3001 | biosA0[0x44] = psxBios_FlushCache; | |
3002 | //biosA0[0x45] = psxBios_InstallInterruptHandler; | |
3003 | biosA0[0x46] = psxBios_GPU_dw; | |
3004 | biosA0[0x47] = psxBios_mem2vram; | |
3005 | biosA0[0x48] = psxBios_SendGPU; | |
3006 | biosA0[0x49] = psxBios_GPU_cw; | |
3007 | biosA0[0x4a] = psxBios_GPU_cwb; | |
3008 | biosA0[0x4b] = psxBios_GPU_SendPackets; | |
3009 | biosA0[0x4c] = psxBios_sys_a0_4c; | |
3010 | biosA0[0x4d] = psxBios_GPU_GetGPUStatus; | |
8ec1e4de | 3011 | //biosA0[0x4e] = psxBios_GPU_sync; |
ef79bbde P |
3012 | //biosA0[0x4f] = psxBios_sys_a0_4f; |
3013 | //biosA0[0x50] = psxBios_sys_a0_50; | |
3014 | biosA0[0x51] = psxBios_LoadExec; | |
3015 | //biosA0[0x52] = psxBios_GetSysSp; | |
3016 | //biosA0[0x53] = psxBios_sys_a0_53; | |
3017 | //biosA0[0x54] = psxBios__96_init_a54; | |
3018 | //biosA0[0x55] = psxBios__bu_init_a55; | |
9415f066 | 3019 | biosA0[0x56] = psxBios_CdRemove; |
ef79bbde P |
3020 | //biosA0[0x57] = psxBios_sys_a0_57; |
3021 | //biosA0[0x58] = psxBios_sys_a0_58; | |
3022 | //biosA0[0x59] = psxBios_sys_a0_59; | |
3023 | //biosA0[0x5a] = psxBios_sys_a0_5a; | |
3024 | //biosA0[0x5b] = psxBios_dev_tty_init; | |
3025 | //biosA0[0x5c] = psxBios_dev_tty_open; | |
3026 | //biosA0[0x5d] = psxBios_sys_a0_5d; | |
3027 | //biosA0[0x5e] = psxBios_dev_tty_ioctl; | |
3028 | //biosA0[0x5f] = psxBios_dev_cd_open; | |
3029 | //biosA0[0x60] = psxBios_dev_cd_read; | |
3030 | //biosA0[0x61] = psxBios_dev_cd_close; | |
3031 | //biosA0[0x62] = psxBios_dev_cd_firstfile; | |
3032 | //biosA0[0x63] = psxBios_dev_cd_nextfile; | |
3033 | //biosA0[0x64] = psxBios_dev_cd_chdir; | |
3034 | //biosA0[0x65] = psxBios_dev_card_open; | |
3035 | //biosA0[0x66] = psxBios_dev_card_read; | |
3036 | //biosA0[0x67] = psxBios_dev_card_write; | |
3037 | //biosA0[0x68] = psxBios_dev_card_close; | |
3038 | //biosA0[0x69] = psxBios_dev_card_firstfile; | |
3039 | //biosA0[0x6a] = psxBios_dev_card_nextfile; | |
3040 | //biosA0[0x6b] = psxBios_dev_card_erase; | |
3041 | //biosA0[0x6c] = psxBios_dev_card_undelete; | |
3042 | //biosA0[0x6d] = psxBios_dev_card_format; | |
3043 | //biosA0[0x6e] = psxBios_dev_card_rename; | |
3044 | //biosA0[0x6f] = psxBios_dev_card_6f; | |
3045 | biosA0[0x70] = psxBios__bu_init; | |
3046 | biosA0[0x71] = psxBios__96_init; | |
9415f066 | 3047 | biosA0[0x72] = psxBios_CdRemove; |
ef79bbde P |
3048 | //biosA0[0x73] = psxBios_sys_a0_73; |
3049 | //biosA0[0x74] = psxBios_sys_a0_74; | |
3050 | //biosA0[0x75] = psxBios_sys_a0_75; | |
3051 | //biosA0[0x76] = psxBios_sys_a0_76; | |
3052 | //biosA0[0x77] = psxBios_sys_a0_77; | |
3053 | //biosA0[0x78] = psxBios__96_CdSeekL; | |
3054 | //biosA0[0x79] = psxBios_sys_a0_79; | |
3055 | //biosA0[0x7a] = psxBios_sys_a0_7a; | |
3056 | //biosA0[0x7b] = psxBios_sys_a0_7b; | |
3057 | //biosA0[0x7c] = psxBios__96_CdGetStatus; | |
3058 | //biosA0[0x7d] = psxBios_sys_a0_7d; | |
3059 | //biosA0[0x7e] = psxBios__96_CdRead; | |
3060 | //biosA0[0x7f] = psxBios_sys_a0_7f; | |
3061 | //biosA0[0x80] = psxBios_sys_a0_80; | |
3062 | //biosA0[0x81] = psxBios_sys_a0_81; | |
8ec1e4de | 3063 | //biosA0[0x82] = psxBios_sys_a0_82; |
ef79bbde P |
3064 | //biosA0[0x83] = psxBios_sys_a0_83; |
3065 | //biosA0[0x84] = psxBios_sys_a0_84; | |
8ec1e4de | 3066 | //biosA0[0x85] = psxBios__96_CdStop; |
ef79bbde P |
3067 | //biosA0[0x86] = psxBios_sys_a0_86; |
3068 | //biosA0[0x87] = psxBios_sys_a0_87; | |
3069 | //biosA0[0x88] = psxBios_sys_a0_88; | |
3070 | //biosA0[0x89] = psxBios_sys_a0_89; | |
3071 | //biosA0[0x8a] = psxBios_sys_a0_8a; | |
3072 | //biosA0[0x8b] = psxBios_sys_a0_8b; | |
3073 | //biosA0[0x8c] = psxBios_sys_a0_8c; | |
3074 | //biosA0[0x8d] = psxBios_sys_a0_8d; | |
3075 | //biosA0[0x8e] = psxBios_sys_a0_8e; | |
3076 | //biosA0[0x8f] = psxBios_sys_a0_8f; | |
9415f066 | 3077 | biosA0[0x90] = hleExc0_1_2; |
3078 | biosA0[0x91] = hleExc0_0_2; | |
3079 | biosA0[0x92] = hleExc0_1_1; | |
3080 | biosA0[0x93] = hleExc0_0_1; | |
ef79bbde P |
3081 | //biosA0[0x94] = psxBios_sys_a0_94; |
3082 | //biosA0[0x95] = psxBios_sys_a0_95; | |
3083 | //biosA0[0x96] = psxBios_AddCDROMDevice; | |
3084 | //biosA0[0x97] = psxBios_AddMemCardDevide; | |
3085 | //biosA0[0x98] = psxBios_DisableKernelIORedirection; | |
3086 | //biosA0[0x99] = psxBios_EnableKernelIORedirection; | |
3087 | //biosA0[0x9a] = psxBios_sys_a0_9a; | |
3088 | //biosA0[0x9b] = psxBios_sys_a0_9b; | |
3089 | //biosA0[0x9c] = psxBios_SetConf; | |
3090 | //biosA0[0x9d] = psxBios_GetConf; | |
3091 | //biosA0[0x9e] = psxBios_sys_a0_9e; | |
3092 | biosA0[0x9f] = psxBios_SetMem; | |
3093 | //biosA0[0xa0] = psxBios__boot; | |
3094 | //biosA0[0xa1] = psxBios_SystemError; | |
3095 | //biosA0[0xa2] = psxBios_EnqueueCdIntr; | |
9415f066 | 3096 | biosA0[0xa3] = psxBios_DequeueCdIntr; |
ef79bbde P |
3097 | //biosA0[0xa4] = psxBios_sys_a0_a4; |
3098 | //biosA0[0xa5] = psxBios_ReadSector; | |
18dd7e9e | 3099 | biosA0[0xa6] = psxBios_get_cd_status; |
ef79bbde P |
3100 | //biosA0[0xa7] = psxBios_bufs_cb_0; |
3101 | //biosA0[0xa8] = psxBios_bufs_cb_1; | |
3102 | //biosA0[0xa9] = psxBios_bufs_cb_2; | |
3103 | //biosA0[0xaa] = psxBios_bufs_cb_3; | |
3104 | biosA0[0xab] = psxBios__card_info; | |
3105 | biosA0[0xac] = psxBios__card_load; | |
3106 | //biosA0[0axd] = psxBios__card_auto; | |
3107 | //biosA0[0xae] = psxBios_bufs_cd_4; | |
3108 | //biosA0[0xaf] = psxBios_sys_a0_af; | |
3109 | //biosA0[0xb0] = psxBios_sys_a0_b0; | |
3110 | //biosA0[0xb1] = psxBios_sys_a0_b1; | |
3111 | //biosA0[0xb2] = psxBios_do_a_long_jmp | |
3112 | //biosA0[0xb3] = psxBios_sys_a0_b3; | |
3113 | //biosA0[0xb4] = psxBios_sub_function; | |
3114 | //*******************B0 CALLS**************************** | |
3115 | //biosB0[0x00] = psxBios_SysMalloc; | |
3116 | //biosB0[0x01] = psxBios_sys_b0_01; | |
3117 | biosB0[0x02] = psxBios_SetRCnt; | |
3118 | biosB0[0x03] = psxBios_GetRCnt; | |
3119 | biosB0[0x04] = psxBios_StartRCnt; | |
3120 | biosB0[0x05] = psxBios_StopRCnt; | |
3121 | biosB0[0x06] = psxBios_ResetRCnt; | |
3122 | biosB0[0x07] = psxBios_DeliverEvent; | |
3123 | biosB0[0x08] = psxBios_OpenEvent; | |
3124 | biosB0[0x09] = psxBios_CloseEvent; | |
3125 | biosB0[0x0a] = psxBios_WaitEvent; | |
3126 | biosB0[0x0b] = psxBios_TestEvent; | |
3127 | biosB0[0x0c] = psxBios_EnableEvent; | |
3128 | biosB0[0x0d] = psxBios_DisableEvent; | |
3129 | biosB0[0x0e] = psxBios_OpenTh; | |
3130 | biosB0[0x0f] = psxBios_CloseTh; | |
3131 | biosB0[0x10] = psxBios_ChangeTh; | |
3132 | //biosB0[0x11] = psxBios_psxBios_b0_11; | |
3133 | biosB0[0x12] = psxBios_InitPAD; | |
3134 | biosB0[0x13] = psxBios_StartPAD; | |
3135 | biosB0[0x14] = psxBios_StopPAD; | |
3136 | biosB0[0x15] = psxBios_PAD_init; | |
3137 | biosB0[0x16] = psxBios_PAD_dr; | |
3138 | biosB0[0x17] = psxBios_ReturnFromException; | |
3139 | biosB0[0x18] = psxBios_ResetEntryInt; | |
3140 | biosB0[0x19] = psxBios_HookEntryInt; | |
3141 | //biosB0[0x1a] = psxBios_sys_b0_1a; | |
3142 | //biosB0[0x1b] = psxBios_sys_b0_1b; | |
3143 | //biosB0[0x1c] = psxBios_sys_b0_1c; | |
3144 | //biosB0[0x1d] = psxBios_sys_b0_1d; | |
3145 | //biosB0[0x1e] = psxBios_sys_b0_1e; | |
3146 | //biosB0[0x1f] = psxBios_sys_b0_1f; | |
3147 | biosB0[0x20] = psxBios_UnDeliverEvent; | |
3148 | //biosB0[0x21] = psxBios_sys_b0_21; | |
3149 | //biosB0[0x22] = psxBios_sys_b0_22; | |
3150 | //biosB0[0x23] = psxBios_sys_b0_23; | |
3151 | //biosB0[0x24] = psxBios_sys_b0_24; | |
3152 | //biosB0[0x25] = psxBios_sys_b0_25; | |
3153 | //biosB0[0x26] = psxBios_sys_b0_26; | |
3154 | //biosB0[0x27] = psxBios_sys_b0_27; | |
3155 | //biosB0[0x28] = psxBios_sys_b0_28; | |
3156 | //biosB0[0x29] = psxBios_sys_b0_29; | |
3157 | //biosB0[0x2a] = psxBios_sys_b0_2a; | |
3158 | //biosB0[0x2b] = psxBios_sys_b0_2b; | |
3159 | //biosB0[0x2c] = psxBios_sys_b0_2c; | |
3160 | //biosB0[0x2d] = psxBios_sys_b0_2d; | |
3161 | //biosB0[0x2e] = psxBios_sys_b0_2e; | |
3162 | //biosB0[0x2f] = psxBios_sys_b0_2f; | |
3163 | //biosB0[0x30] = psxBios_sys_b0_30; | |
3164 | //biosB0[0x31] = psxBios_sys_b0_31; | |
3165 | biosB0[0x32] = psxBios_open; | |
3166 | biosB0[0x33] = psxBios_lseek; | |
3167 | biosB0[0x34] = psxBios_read; | |
3168 | biosB0[0x35] = psxBios_write; | |
3169 | biosB0[0x36] = psxBios_close; | |
3170 | //biosB0[0x37] = psxBios_ioctl; | |
3171 | //biosB0[0x38] = psxBios_exit; | |
3172 | //biosB0[0x39] = psxBios_sys_b0_39; | |
3173 | //biosB0[0x3a] = psxBios_getc; | |
3174 | //biosB0[0x3b] = psxBios_putc; | |
3175 | biosB0[0x3c] = psxBios_getchar; | |
3176 | //biosB0[0x3e] = psxBios_gets; | |
3177 | //biosB0[0x40] = psxBios_cd; | |
e7e1f572 | 3178 | biosB0[0x41] = psxBios_format; |
ef79bbde P |
3179 | biosB0[0x42] = psxBios_firstfile; |
3180 | biosB0[0x43] = psxBios_nextfile; | |
3181 | biosB0[0x44] = psxBios_rename; | |
3182 | biosB0[0x45] = psxBios_delete; | |
3183 | //biosB0[0x46] = psxBios_undelete; | |
3184 | //biosB0[0x47] = psxBios_AddDevice; | |
3185 | //biosB0[0x48] = psxBios_RemoteDevice; | |
3186 | //biosB0[0x49] = psxBios_PrintInstalledDevices; | |
3187 | biosB0[0x4a] = psxBios_InitCARD; | |
3188 | biosB0[0x4b] = psxBios_StartCARD; | |
3189 | biosB0[0x4c] = psxBios_StopCARD; | |
3190 | //biosB0[0x4d] = psxBios_sys_b0_4d; | |
3191 | biosB0[0x4e] = psxBios__card_write; | |
3192 | biosB0[0x4f] = psxBios__card_read; | |
3193 | biosB0[0x50] = psxBios__new_card; | |
3194 | biosB0[0x51] = psxBios_Krom2RawAdd; | |
3195 | //biosB0[0x52] = psxBios_sys_b0_52; | |
3196 | //biosB0[0x53] = psxBios_sys_b0_53; | |
3197 | //biosB0[0x54] = psxBios__get_errno; | |
002b2f7d | 3198 | biosB0[0x55] = psxBios__get_error; |
ef79bbde P |
3199 | biosB0[0x56] = psxBios_GetC0Table; |
3200 | biosB0[0x57] = psxBios_GetB0Table; | |
e9fda093 | 3201 | biosB0[0x58] = psxBios__card_chan; |
ef79bbde P |
3202 | //biosB0[0x59] = psxBios_sys_b0_59; |
3203 | //biosB0[0x5a] = psxBios_sys_b0_5a; | |
3204 | biosB0[0x5b] = psxBios_ChangeClearPad; | |
872515f9 | 3205 | biosB0[0x5c] = psxBios__card_status; |
5f652aa9 | 3206 | biosB0[0x5d] = psxBios__card_wait; |
ef79bbde P |
3207 | //*******************C0 CALLS**************************** |
3208 | //biosC0[0x00] = psxBios_InitRCnt; | |
3209 | //biosC0[0x01] = psxBios_InitException; | |
3210 | biosC0[0x02] = psxBios_SysEnqIntRP; | |
3211 | biosC0[0x03] = psxBios_SysDeqIntRP; | |
3212 | //biosC0[0x04] = psxBios_get_free_EvCB_slot; | |
3213 | //biosC0[0x05] = psxBios_get_free_TCB_slot; | |
3214 | //biosC0[0x06] = psxBios_ExceptionHandler; | |
3215 | //biosC0[0x07] = psxBios_InstallExeptionHandler; | |
3216 | //biosC0[0x08] = psxBios_SysInitMemory; | |
3217 | //biosC0[0x09] = psxBios_SysInitKMem; | |
8ec1e4de | 3218 | biosC0[0x0a] = psxBios_ChangeClearRCnt; |
ef79bbde P |
3219 | //biosC0[0x0b] = psxBios_SystemError; |
3220 | //biosC0[0x0c] = psxBios_InitDefInt; | |
3221 | //biosC0[0x0d] = psxBios_sys_c0_0d; | |
3222 | //biosC0[0x0e] = psxBios_sys_c0_0e; | |
3223 | //biosC0[0x0f] = psxBios_sys_c0_0f; | |
3224 | //biosC0[0x10] = psxBios_sys_c0_10; | |
3225 | //biosC0[0x11] = psxBios_sys_c0_11; | |
3226 | //biosC0[0x12] = psxBios_InstallDevices; | |
3227 | //biosC0[0x13] = psxBios_FlushStfInOutPut; | |
3228 | //biosC0[0x14] = psxBios_sys_c0_14; | |
3229 | //biosC0[0x15] = psxBios__cdevinput; | |
3230 | //biosC0[0x16] = psxBios__cdevscan; | |
3231 | //biosC0[0x17] = psxBios__circgetc; | |
3232 | //biosC0[0x18] = psxBios__circputc; | |
3233 | //biosC0[0x19] = psxBios_ioabort; | |
3234 | //biosC0[0x1a] = psxBios_sys_c0_1a | |
3235 | //biosC0[0x1b] = psxBios_KernelRedirect; | |
3236 | //biosC0[0x1c] = psxBios_PatchAOTable; | |
3237 | //************** THE END *************************************** | |
3238 | /**/ | |
3239 | base = 0x1000; | |
3240 | size = sizeof(EvCB) * 32; | |
403f235f | 3241 | EventCB = (void *)&psxR[base]; base += size * 6; |
3242 | memset(EventCB, 0, size * 6); | |
3243 | HwEV = EventCB; | |
3244 | EvEV = EventCB + 32; | |
3245 | RcEV = EventCB + 32 * 2; | |
3246 | UeEV = EventCB + 32 * 3; | |
3247 | SwEV = EventCB + 32 * 4; | |
3248 | ThEV = EventCB + 32 * 5; | |
ef79bbde | 3249 | |
832f0c3c | 3250 | pad_stopped = 1; |
c62b43c9 | 3251 | pad_buf = NULL; |
3252 | pad_buf1 = NULL; | |
3253 | pad_buf2 = NULL; | |
3254 | pad_buf1len = pad_buf2len = 0; | |
3255 | heap_addr = NULL; | |
3256 | heap_end = NULL; | |
26b964b5 | 3257 | heap_size = 0; |
c62b43c9 | 3258 | CardState = -1; |
3259 | CurThread = 0; | |
3260 | memset(FDesc, 0, sizeof(FDesc)); | |
5bf56268 | 3261 | card_active_chan = 0; |
c62b43c9 | 3262 | |
ef79bbde P |
3263 | // initial RNG seed |
3264 | psxMu32ref(0x9010) = SWAPu32(0xac20cc00); | |
3265 | ||
3266 | // fonts | |
3267 | len = 0x80000 - 0x66000; | |
3268 | uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140)); | |
3269 | len = 0x80000 - 0x69d68; | |
3270 | uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f)); | |
3271 | ||
3272 | // memory size 2 MB | |
3273 | psxHu32ref(0x1060) = SWAPu32(0x00000b88); | |
3274 | ||
bf643fd9 | 3275 | /* Some games like R-Types, CTR, Fade to Black read from adress 0x00000000 due to uninitialized pointers. |
3276 | See Garbage Area at Address 00000000h in Nocash PSX Specfications for more information. | |
339cc5b6 | 3277 | Here are some examples of games not working with this fix in place : |
3278 | R-type won't get past the Irem logo if not implemented. | |
3279 | Crash Team Racing will softlock after the Sony logo. | |
bf643fd9 | 3280 | */ |
8ec1e4de | 3281 | |
9415f066 | 3282 | ram32 = (u32 *)psxM; |
3283 | ram32[0x0000/4] = SWAPu32(0x00000003); // lui $k0, 0 (overwritten by 3) | |
3284 | ram32[0x0004/4] = SWAPu32(0x275a0000 + A_EXCEPTION); // addiu $k0, $k0, 0xc80 | |
3285 | ram32[0x0008/4] = SWAPu32(0x03400008); // jr $k0 | |
3286 | ram32[0x000c/4] = SWAPu32(0x00000000); // nop | |
3287 | ||
3288 | ram32[0x0060/4] = SWAPu32(0x00000002); // ram size? | |
3289 | ram32[0x0068/4] = SWAPu32(0x000000ff); // unknown | |
3290 | ||
3291 | ram32[0x0080/4] = SWAPu32(0x3c1a0000); // lui $k0, 0 // exception vector | |
3292 | ram32[0x0084/4] = SWAPu32(0x275a0000 + A_EXCEPTION); // addiu $k0, $k0, 0xc80 | |
3293 | ram32[0x0088/4] = SWAPu32(0x03400008); // jr $k0 | |
3294 | ram32[0x008c/4] = SWAPu32(0x00000000); // nop | |
3295 | ||
3296 | ram32[0x00a0/4] = HLEOP(hleop_a0); | |
3297 | ram32[0x00b0/4] = HLEOP(hleop_b0); | |
3298 | ram32[0x00c0/4] = HLEOP(hleop_c0); | |
3299 | ||
3300 | // "table of tables". Some games modify it | |
3301 | assert(A_TT_ExCB == 0x0100); | |
3302 | ram32[0x0100/4] = SWAPu32(0x0000e004); // ExCB - exception chains | |
3303 | ram32[0x0104/4] = SWAPu32(0x00000020); // ExCB size | |
3304 | ram32[0x0108/4] = SWAPu32(0x0000e1ec); // PCB - process control | |
3305 | ram32[0x010c/4] = SWAPu32(0x00000004); // PCB size | |
3306 | ram32[0x0110/4] = SWAPu32(0x0000e1f4); // TCB - thread control | |
3307 | ram32[0x0114/4] = SWAPu32(0x00000300); // TCB size | |
3308 | ram32[0x0120/4] = SWAPu32(0x0000e028); // EvCB - event control | |
3309 | ram32[0x0124/4] = SWAPu32(0x000001c0); // EvCB size | |
3310 | ram32[0x0140/4] = SWAPu32(0x00008648); // FCB - file control | |
3311 | ram32[0x0144/4] = SWAPu32(0x000002c0); // FCB size | |
3312 | ram32[0x0150/4] = SWAPu32(0x00006ee0); // DCB - device control | |
3313 | ram32[0x0154/4] = SWAPu32(0x00000320); // DCB size | |
3314 | ||
3315 | ram32[0xe000/4] = SWAPu32(0x00000020); // SysMalloc block size | |
3316 | ram32[0xe004/4] = SWAPu32(0x000091e0); // chain0 | |
3317 | ram32[0xe00c/4] = SWAPu32(0x00006d88); // chain1 | |
3318 | ram32[0xe014/4] = SWAPu32(0x00000000); // chain2 | |
3319 | ram32[0xe01c/4] = SWAPu32(0x00006d98); // chain3 | |
3320 | ||
3321 | ram32[0xe1ec/4] = SWAPu32(0x0000e1f4); // TCB | |
3322 | ram32[0xe1f0/4] = SWAPu32(0x00000300); // SysMalloc block size | |
3323 | ram32[0xe1f4/4] = SWAPu32(0x00004000); // first TCB | |
3324 | ||
3325 | ram32[0x6ee0/4] = SWAPu32(0x0000eff0); // DCB | |
3326 | strcpy((char *)&ram32[0xeff0/4], "bu"); | |
3327 | ||
3328 | // default exception handler chains | |
3329 | write_chain(&ram32[0x91e0/4], 0x91d0, 0xbfc050a4, 0xbfc04fbc); // chain0.e0 | |
3330 | write_chain(&ram32[0x91d0/4], 0x6da8, 0xbfc0506c, 0xbfc04dec); // chain0.e1 | |
3331 | write_chain(&ram32[0x6da8/4], 0, 0, 0x1a00); // chain0.e2 | |
3332 | write_chain(&ram32[0x6d88/4], 0x6d78, 0x19c8, 0x18bc); // chain1.e0 | |
3333 | write_chain(&ram32[0x6d78/4], 0x6d68, 0x1990, 0x1858); // chain1.e1 | |
3334 | write_chain(&ram32[0x6d68/4], 0x6d58, 0x1958, 0x17f4); // chain1.e2 | |
3335 | write_chain(&ram32[0x6d58/4], 0, 0x1920, 0x1794); // chain1.e3 | |
3336 | write_chain(&ram32[0x6d98/4], 0, 0, 0x2458); // chain3.e0 | |
3337 | ||
3338 | setup_mips_code(); | |
3339 | ||
3340 | // fill the api jumptables with fake entries as some games patch them | |
3341 | // (or rather the funcs listed there) | |
3342 | ptr = (u32 *)&psxM[A_A0_TABLE]; | |
3343 | for (i = 0; i < 256; i++) | |
3344 | ptr[i] = SWAP32(0x1000); | |
3345 | ||
3346 | ptr = (u32 *)&psxM[A_B0_TABLE]; | |
3347 | for (i = 0; i < 256; i++) | |
3348 | ptr[i] = SWAP32(0x2000); | |
3349 | // B(5b) is special because games patch (sometimes even jump to) | |
3350 | // code at fixed offsets from it, nocash lists offsets: | |
3351 | // patch: +3d8, +4dc, +594, +62c, +9c8, +1988 | |
3352 | // call: +7a0=4b70, +884=4c54, +894=4c64 | |
3353 | ptr[0x5b] = SWAP32(0x43d0); | |
3354 | ram32[0x4b70/4] = SWAP32(0x03e00008); // jr $ra | |
3355 | ram32[0x4c54/4] = SWAP32(0x03e00008); // jr $ra | |
3356 | ram32[0x4c64/4] = SWAP32(0x03e00008); // jr $ra | |
3357 | ||
3358 | ptr = (u32 *)&psxM[A_C0_TABLE]; | |
3359 | for (i = 0; i < 256/2; i++) | |
3360 | ptr[i] = SWAP32(0x3000); | |
3361 | ptr[6] = SWAP32(A_EXCEPTION); | |
3362 | ||
3363 | // more HLE traps | |
3364 | ram32[0x1000/4] = HLEOP(hleop_dummy); | |
3365 | ram32[0x2000/4] = HLEOP(hleop_dummy); | |
3366 | ram32[0x3000/4] = HLEOP(hleop_dummy); | |
3367 | ram32[0x4c54/4] = HLEOP(hleop_dummy); // for B12_InitPad? | |
3368 | ram32[0x8000/4] = HLEOP(hleop_execret); | |
3369 | ||
3370 | ram32[A_EEXIT_PTR/4] = SWAP32(A_EEXIT_DEF); | |
3371 | ram32[A_EXC_SP/4] = SWAP32(A_EXC_STACK); | |
3372 | ram32[A_RCNT_VBL_ACK/4 + 0] = SWAP32(1); | |
3373 | ram32[A_RCNT_VBL_ACK/4 + 1] = SWAP32(1); | |
3374 | ram32[A_RCNT_VBL_ACK/4 + 2] = SWAP32(1); | |
3375 | ram32[A_RCNT_VBL_ACK/4 + 3] = SWAP32(1); | |
3376 | ||
3377 | psxRegs.CP0.n.SR &= ~0x400000; // use ram vector | |
ef79bbde P |
3378 | } |
3379 | ||
3380 | void psxBiosShutdown() { | |
3381 | } | |
3382 | ||
9415f066 | 3383 | void psxBiosCnfLoaded(u32 tcbs, u32 events) { |
3384 | if (tcbs > 4) | |
3385 | log_unhandled("FIXME: TCB = %x\n", tcbs); | |
3386 | if (events > 16) | |
3387 | log_unhandled("FIXME: EVENT = %x\n", tcbs); | |
3388 | } | |
3389 | ||
ef79bbde P |
3390 | #define psxBios_PADpoll(pad) { \ |
3391 | PAD##pad##_startPoll(pad); \ | |
3392 | pad_buf##pad[0] = 0; \ | |
3393 | pad_buf##pad[1] = PAD##pad##_poll(0x42); \ | |
3394 | if (!(pad_buf##pad[1] & 0x0f)) { \ | |
3395 | bufcount = 32; \ | |
3396 | } else { \ | |
3397 | bufcount = (pad_buf##pad[1] & 0x0f) * 2; \ | |
3398 | } \ | |
3399 | PAD##pad##_poll(0); \ | |
3400 | i = 2; \ | |
3401 | while (bufcount--) { \ | |
3402 | pad_buf##pad[i++] = PAD##pad##_poll(0); \ | |
3403 | } \ | |
3404 | } | |
3405 | ||
9415f066 | 3406 | static void biosPadHLE() { |
ef79bbde P |
3407 | int i, bufcount; |
3408 | ||
9415f066 | 3409 | if (pad_buf != NULL) { |
3410 | u32 *buf = (u32*)pad_buf; | |
3411 | ||
3412 | PAD1_startPoll(1); | |
3413 | if (PAD1_poll(0x42) == 0x23) { | |
3414 | PAD1_poll(0); | |
3415 | *buf = PAD1_poll(0) << 8; | |
3416 | *buf |= PAD1_poll(0); | |
3417 | PAD1_poll(0); | |
3418 | *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0); | |
3419 | *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0); | |
3420 | } else { | |
3421 | PAD1_poll(0); | |
3422 | *buf = PAD1_poll(0) << 8; | |
3423 | *buf|= PAD1_poll(0); | |
3424 | } | |
ef79bbde | 3425 | |
9415f066 | 3426 | PAD2_startPoll(2); |
3427 | if (PAD2_poll(0x42) == 0x23) { | |
3428 | PAD2_poll(0); | |
3429 | *buf |= PAD2_poll(0) << 24; | |
3430 | *buf |= PAD2_poll(0) << 16; | |
3431 | PAD2_poll(0); | |
3432 | *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0); | |
3433 | *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0); | |
3434 | } else { | |
3435 | PAD2_poll(0); | |
3436 | *buf |= PAD2_poll(0) << 24; | |
3437 | *buf |= PAD2_poll(0) << 16; | |
3438 | } | |
3439 | } | |
3440 | if (!pad_stopped) { | |
3441 | if (pad_buf1) { | |
3442 | psxBios_PADpoll(1); | |
3443 | } | |
ef79bbde | 3444 | |
9415f066 | 3445 | if (pad_buf2) { |
3446 | psxBios_PADpoll(2); | |
3447 | } | |
3448 | } | |
3449 | } | |
3450 | ||
3451 | static void handle_chain_x_x_1(u32 enable, u32 irqbit) | |
3452 | { | |
3453 | use_cycles(10); | |
3454 | if (enable) { | |
3455 | psxHwWrite16(0x1f801070, ~(1u << irqbit)); | |
3456 | psxBios_ReturnFromException(); | |
3457 | } | |
3458 | else | |
3459 | pc0 = ra; | |
3460 | } | |
ef79bbde | 3461 | |
9415f066 | 3462 | // hleExc0_{0,1}* are usually removed by A(56)/A(72) on the game's startup, |
3463 | // so this is only partially implemented | |
3464 | void hleExc0_0_1() // A(93h) - CdromDmaIrqFunc2 | |
3465 | { | |
3466 | u32 cdrom_dma_ack_enable = 1; // a000b93c | |
3467 | handle_chain_x_x_1(cdrom_dma_ack_enable, 3); // IRQ3 DMA | |
3468 | } | |
ef79bbde | 3469 | |
9415f066 | 3470 | void hleExc0_0_2() // A(91h) - CdromDmaIrqFunc1 |
3471 | { | |
3472 | u32 ret = 0; | |
3473 | //PSXBIOS_LOG("%s\n", __func__); | |
ef79bbde | 3474 | |
9415f066 | 3475 | if (psxHu32(0x1074) & psxHu32(0x1070) & 8) { // IRQ3 DMA |
3476 | psxHwWrite32(0x1f8010f4, (psxHu32(0x10f4) & 0xffffff) | 0x88000000); | |
3477 | //if (--cdrom_irq_counter == 0) // 0xa0009180 | |
3478 | // DeliverEvent(); // 0xf0000003, 0x10 | |
3479 | use_cycles(22); | |
3480 | ret = 1; | |
3481 | } | |
3482 | mips_return_c(ret, 20); | |
3483 | } | |
ef79bbde | 3484 | |
9415f066 | 3485 | void hleExc0_1_1() // A(92h) - CdromIoIrqFunc2 |
3486 | { | |
3487 | u32 cdrom_irq_ack_enable = 1; // a000b938 | |
3488 | handle_chain_x_x_1(cdrom_irq_ack_enable, 2); // IRQ2 cdrom | |
3489 | } | |
ef79bbde | 3490 | |
9415f066 | 3491 | void hleExc0_1_2() // A(90h) - CdromIoIrqFunc1 |
3492 | { | |
3493 | u32 ret = 0; | |
3494 | if (psxHu32(0x1074) & psxHu32(0x1070) & 4) { // IRQ2 cdrom | |
3495 | PSXBIOS_LOG("%s TODO\n", __func__); | |
3496 | ret = 1; | |
3497 | } | |
3498 | mips_return_c(ret, 20); | |
3499 | } | |
ef79bbde | 3500 | |
9415f066 | 3501 | void hleExc0_2_2_syscall() // not in any A/B/C table |
3502 | { | |
3503 | u32 code = (psxRegs.CP0.n.Cause & 0x3c) >> 2; | |
3504 | u32 tcbPtr = loadRam32(A_TT_PCB); | |
3505 | TCB *tcb = loadRam32ptr(tcbPtr); | |
3506 | ||
3507 | if (code != R3000E_Syscall) { | |
3508 | if (code != 0) { | |
3509 | // DeliverEvent(); // 0xf0000010, 0x1000 | |
3510 | psxBios_SystemErrorUnresolvedException(); | |
ef79bbde | 3511 | } |
9415f066 | 3512 | mips_return_c(0, 17); |
3513 | return; | |
ef79bbde P |
3514 | } |
3515 | ||
9415f066 | 3516 | //printf("%s c=%d a0=%d\n", __func__, code, a0); |
3517 | tcb->epc += SWAP32(4); | |
3518 | switch (a0) { | |
3519 | case 0: // noop | |
3520 | break; | |
ef79bbde | 3521 | |
9415f066 | 3522 | case 1: { // EnterCritical - disable irqs |
3523 | u32 was_enabled = ((SWAP32(tcb->sr) & 0x404) == 0x404); | |
3524 | tcb->reg[2] = SWAP32(was_enabled); | |
3525 | tcb->sr &= SWAP32(~0x404); | |
3526 | break; | |
3527 | } | |
3528 | case 2: // ExitCritical - enable irqs | |
3529 | tcb->sr |= SWAP32(0x404); | |
3530 | break; | |
3531 | ||
3532 | case 3: { // ChangeThreadSubFunction | |
3533 | u32 tcbPtr = loadRam32(A_TT_PCB); | |
3534 | storeRam32(tcbPtr, a1); | |
3535 | break; | |
ef79bbde | 3536 | } |
9415f066 | 3537 | default: |
3538 | // DeliverEvent(); // 0xf0000010, 0x4000 | |
3539 | break; | |
ef79bbde | 3540 | } |
9415f066 | 3541 | use_cycles(30); |
3542 | psxBios_ReturnFromException(); | |
ef79bbde P |
3543 | } |
3544 | ||
9415f066 | 3545 | void hleExc1_0_1(void) |
3546 | { | |
3547 | u32 vbl_irq_ack_enable = loadRam32(A_RCNT_VBL_ACK + 0x0c); // 860c | |
3548 | handle_chain_x_x_1(vbl_irq_ack_enable, 0); // IRQ0 vblank | |
3549 | } | |
ef79bbde | 3550 | |
9415f066 | 3551 | static void handle_chain_1_x_2(u32 ev_index, u32 irqbit) |
3552 | { | |
3553 | u32 ret = 0; | |
3554 | if (psxHu32(0x1074) & psxHu32(0x1070) & (1u << irqbit)) { | |
3555 | // DeliverEvent 0xf2000000 + ev_index, 2 | |
3556 | if (RcEV[ev_index][1].status == EvStACTIVE) { | |
3557 | softCall(RcEV[ev_index][1].fhandler); | |
3558 | } | |
3559 | ret = 1; | |
3560 | } | |
3561 | mips_return_c(ret, 22); | |
3562 | } | |
ef79bbde | 3563 | |
9415f066 | 3564 | void hleExc1_0_2(void) |
3565 | { | |
3566 | handle_chain_1_x_2(3, 0); // IRQ0 vblank | |
3567 | } | |
ef79bbde | 3568 | |
9415f066 | 3569 | void hleExc1_1_1(void) |
3570 | { | |
3571 | u32 rcnt_irq_ack_enable = loadRam32(A_RCNT_VBL_ACK + 0x08); // 8608 | |
3572 | handle_chain_x_x_1(rcnt_irq_ack_enable, 6); // IRQ6 rcnt2 | |
3573 | } | |
ef79bbde | 3574 | |
9415f066 | 3575 | void hleExc1_1_2(void) |
3576 | { | |
3577 | handle_chain_1_x_2(2, 6); // IRQ6 rcnt2 | |
3578 | } | |
ef79bbde | 3579 | |
9415f066 | 3580 | void hleExc1_2_1(void) |
3581 | { | |
3582 | u32 rcnt_irq_ack_enable = loadRam32(A_RCNT_VBL_ACK + 0x04); // 8604 | |
3583 | handle_chain_x_x_1(rcnt_irq_ack_enable, 5); // IRQ5 rcnt1 | |
3584 | } | |
ef79bbde | 3585 | |
9415f066 | 3586 | void hleExc1_2_2(void) |
3587 | { | |
3588 | handle_chain_1_x_2(1, 5); // IRQ5 rcnt1 | |
3589 | } | |
ef79bbde | 3590 | |
9415f066 | 3591 | void hleExc1_3_1(void) |
3592 | { | |
3593 | u32 rcnt_irq_ack_enable = loadRam32(A_RCNT_VBL_ACK + 0x00); // 8600 | |
3594 | handle_chain_x_x_1(rcnt_irq_ack_enable, 4); // IRQ4 rcnt0 | |
3595 | } | |
ef79bbde | 3596 | |
9415f066 | 3597 | void hleExc1_3_2(void) |
3598 | { | |
3599 | handle_chain_1_x_2(0, 4); // IRQ4 rcnt0 | |
3600 | } | |
ef79bbde | 3601 | |
9415f066 | 3602 | void hleExc3_0_2_defint(void) |
3603 | { | |
3604 | static const struct { | |
3605 | u8 ev, irqbit; | |
3606 | } tab[] = { | |
3607 | { 3, 2 }, // cdrom | |
3608 | { 9, 9 }, // spu | |
3609 | { 2, 1 }, // gpu | |
3610 | { 10, 10 }, // io | |
3611 | { 11, 8 }, // sio | |
3612 | { 1, 0 }, // vbl | |
3613 | { 5, 4 }, // rcnt0 | |
3614 | { 6, 5 }, // rcnt1 | |
3615 | { 6, 6 }, // rcnt2 (bug) | |
3616 | { 8, 7 }, // sio rx | |
3617 | { 4, 3 }, // sio | |
3618 | }; | |
3619 | size_t i; | |
3620 | for (i = 0; i < sizeof(tab) / sizeof(tab[0]); i++) { | |
3621 | if (psxHu32(0x1074) & psxHu32(0x1070) & (1u << tab[i].irqbit)) { | |
3622 | // DeliverEvent 0xf0000000 + ev, 0x1000 | |
3623 | use_cycles(7); | |
3624 | } | |
ef79bbde | 3625 | |
9415f066 | 3626 | } |
3627 | mips_return_c(0, 11 + 7*11 + 7*11 + 12); | |
3628 | } | |
ef79bbde | 3629 | |
9415f066 | 3630 | void psxBiosException() { |
3631 | u32 tcbPtr = loadRam32(A_TT_PCB); | |
3632 | u32 *chains = loadRam32ptr(A_TT_ExCB); | |
3633 | TCB *tcb = loadRam32ptr(tcbPtr); | |
3634 | u32 ptr, *chain; | |
3635 | int c, lim; | |
3636 | int i; | |
ef79bbde | 3637 | |
9415f066 | 3638 | // save the regs |
3639 | // $at, $v0, $v1 already saved by the mips code at A_EXCEPTION | |
3640 | for (i = 4; i < 32; i++) { | |
3641 | if (i == 26) // $k0 | |
3642 | continue; | |
3643 | tcb->reg[i] = SWAP32(psxRegs.GPR.r[i]); | |
3644 | } | |
3645 | tcb->lo = SWAP32(psxRegs.GPR.n.lo); | |
3646 | tcb->hi = SWAP32(psxRegs.GPR.n.hi); | |
3647 | tcb->epc = SWAP32(psxRegs.CP0.n.EPC); | |
3648 | tcb->sr = SWAP32(psxRegs.CP0.n.SR); | |
3649 | tcb->cause = SWAP32(psxRegs.CP0.n.Cause); | |
3650 | sp = fp = loadRam32(A_EXC_SP); | |
3651 | gp = A_EXC_GP; | |
3652 | use_cycles(46); | |
3653 | ||
3654 | // do the chains (always 4) | |
3655 | for (c = lim = 0; c < 4; c++) { | |
3656 | if (chains[c * 2] == 0) | |
3657 | continue; | |
3658 | ptr = SWAP32(chains[c * 2]); | |
3659 | for (; ptr && lim < 100; ptr = SWAP32(chain[0])) { | |
3660 | chain = castRam32ptr(ptr); | |
3661 | use_cycles(14); | |
3662 | lim++; | |
3663 | if (chain[2] == 0) | |
3664 | continue; | |
3665 | softCallInException(SWAP32(chain[2])); | |
3666 | if (returned_from_exception()) | |
3667 | return; | |
ef79bbde | 3668 | |
9415f066 | 3669 | if (v0 == 0 || chain[1] == 0) |
3670 | continue; | |
3671 | softCallInException(SWAP32(chain[1])); | |
3672 | if (returned_from_exception()) | |
3673 | return; | |
3674 | } | |
ef79bbde | 3675 | } |
9415f066 | 3676 | assert(lim < 100); |
ef79bbde | 3677 | |
9415f066 | 3678 | // TODO make this a chain entry |
3679 | if (psxHu32(0x1070) & 1) | |
3680 | biosPadHLE(); | |
ef79bbde | 3681 | |
9415f066 | 3682 | // return from exception (custom or default) |
3683 | use_cycles(23); | |
3684 | ptr = loadRam32(A_EEXIT_PTR); | |
3685 | if (ptr != A_EEXIT_DEF) { | |
3686 | const struct jmp_buf_ *jmp_buf = castRam32ptr(ptr); | |
3687 | longjmp_load(jmp_buf); | |
3688 | v0 = 1; | |
3689 | pc0 = ra; | |
3690 | return; | |
3691 | } | |
3692 | psxBios_ReturnFromException(); | |
ef79bbde P |
3693 | } |
3694 | ||
3695 | #define bfreeze(ptr, size) { \ | |
3696 | if (Mode == 1) memcpy(&psxR[base], ptr, size); \ | |
3697 | if (Mode == 0) memcpy(ptr, &psxR[base], size); \ | |
3698 | base += size; \ | |
3699 | } | |
3700 | ||
3701 | #define bfreezes(ptr) bfreeze(ptr, sizeof(ptr)) | |
3702 | #define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr)) | |
3703 | ||
3704 | #define bfreezepsxMptr(ptr, type) { \ | |
3705 | if (Mode == 1) { \ | |
3706 | if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \ | |
3707 | else psxRu32ref(base) = 0; \ | |
3708 | } else { \ | |
3709 | if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \ | |
3710 | else (ptr) = NULL; \ | |
3711 | } \ | |
3712 | base += sizeof(u32); \ | |
3713 | } | |
3714 | ||
3715 | void psxBiosFreeze(int Mode) { | |
3716 | u32 base = 0x40000; | |
3717 | ||
ef79bbde P |
3718 | bfreezepsxMptr(pad_buf, int); |
3719 | bfreezepsxMptr(pad_buf1, char); | |
3720 | bfreezepsxMptr(pad_buf2, char); | |
3721 | bfreezepsxMptr(heap_addr, u32); | |
3722 | bfreezel(&pad_buf1len); | |
3723 | bfreezel(&pad_buf2len); | |
3724 | bfreezes(regs); | |
ef79bbde | 3725 | bfreezel(&CardState); |
ef79bbde P |
3726 | bfreezel(&CurThread); |
3727 | bfreezes(FDesc); | |
e9fda093 | 3728 | bfreezel(&card_active_chan); |
a15f3544 | 3729 | bfreezel(&pad_stopped); |
17b2d969 | 3730 | bfreezel(&heap_size); |
ef79bbde | 3731 | } |