11913091 |
1 | // vim:shiftwidth=2:expandtab |
2 | #include <stdio.h> |
3 | #include <stdlib.h> |
3d295a9f |
4 | #include <string.h> |
c1ffd5ba |
5 | #include <alloca.h> |
11913091 |
6 | #include <sys/types.h> |
7 | #include <sys/stat.h> |
8 | #include <fcntl.h> |
9 | #include <sys/mman.h> |
10 | #include <sys/types.h> |
11 | #include <unistd.h> |
12 | #include <signal.h> |
13 | #include <asm/ucontext.h> |
c1ffd5ba |
14 | #include <pthread.h> |
15 | #include <errno.h> |
16 | #include <time.h> |
17 | #include <sys/resource.h> |
7fd42181 |
18 | #include <sys/ioctl.h> |
19 | #include <linux/soundcard.h> |
20 | #include <linux/fb.h> |
11913091 |
21 | |
22 | #include "header.h" |
7fd42181 |
23 | #include "../common/host_fb.h" |
24 | #include "../common/cmn.h" |
86418a84 |
25 | #include "sys_cacheflush.h" |
7fd42181 |
26 | #include "realfuncs.h" |
11913091 |
27 | |
3d3fa63b |
28 | #if (DBG & 2) && !(DBG & 4) |
7fd42181 |
29 | #define LOG_IO_UNK |
30 | #endif |
3d3fa63b |
31 | #if (DBG & 4) |
7fd42181 |
32 | #define LOG_IO |
33 | #endif |
6720e4e4 |
34 | //#define LOG_SEGV |
35 | |
36 | #ifdef LOG_IO |
37 | #define iolog log_io |
38 | #else |
86418a84 |
39 | #define iolog(...) |
6720e4e4 |
40 | #endif |
41 | |
c1ffd5ba |
42 | #ifdef LOG_IO_UNK |
6720e4e4 |
43 | #define iolog_unh log_io |
44 | #else |
45 | #define iolog_unh(...) |
46 | #endif |
47 | |
48 | #ifdef LOG_SEGV |
49 | #define segvlog printf |
50 | #else |
0881206b |
51 | #define segvlog(...) |
6720e4e4 |
52 | #endif |
53 | |
c1ffd5ba |
54 | #if defined(LOG_IO) || defined(LOG_IO_UNK) |
6720e4e4 |
55 | #include "mmsp2-regs.h" |
56 | #endif |
11913091 |
57 | |
3d3fa63b |
58 | typedef unsigned long long u64; |
11913091 |
59 | typedef unsigned int u32; |
60 | typedef unsigned short u16; |
61 | typedef unsigned char u8; |
62 | |
c1ffd5ba |
63 | static pthread_mutex_t fb_mutex = PTHREAD_MUTEX_INITIALIZER; |
64 | static pthread_cond_t fb_cond = PTHREAD_COND_INITIALIZER; |
65 | |
3d295a9f |
66 | static struct { |
67 | u32 dstctrl; |
68 | u32 dstaddr; |
69 | u32 dststride; |
70 | u32 srcctrl; |
71 | u32 srcaddr; // |
72 | u32 srcstride; |
73 | u32 srcforcolor; |
74 | u32 srcbackcolor; |
75 | u32 patctrl; // |
76 | u32 patforcolor; |
77 | u32 patbackcolor; |
78 | u32 size; |
79 | u32 ctrl; // |
80 | u32 run; |
81 | u32 intc; |
82 | u32 srcfifo; |
83 | } blitter; |
84 | |
0881206b |
85 | #define SRCCTRL_INVIDEO (1 << 8) |
86 | #define SRCCTRL_SRCENB (1 << 7) |
87 | #define CTRL_TRANSPARENCYENB (1 << 11) |
88 | |
3d295a9f |
89 | static struct { |
7000b522 |
90 | // mmsp2 |
6720e4e4 |
91 | u16 mlc_stl_cntl; |
3d295a9f |
92 | union { |
7000b522 |
93 | u32 mlc_stl_adr; // mlcaddress for pollux |
3d295a9f |
94 | struct { |
6720e4e4 |
95 | u16 mlc_stl_adrl; |
96 | u16 mlc_stl_adrh; |
3d295a9f |
97 | }; |
98 | }; |
6720e4e4 |
99 | u16 mlc_stl_pallt_a; |
100 | union { |
101 | u16 mlc_stl_pallt_d[256*2]; |
102 | u32 mlc_stl_pallt_d32[256]; |
103 | }; |
104 | |
7000b522 |
105 | // pollux |
106 | u32 mlccontrol; |
107 | u16 mlcpalette[256]; |
108 | |
6720e4e4 |
109 | // state |
3d3fa63b |
110 | void *umem; |
6720e4e4 |
111 | u32 old_mlc_stl_adr; |
7000b522 |
112 | u32 btn_state; // as seen through /dev/GPIO: 0PVdVu YXBA RLSeSt 0Ri0Dn 0Le0Up |
113 | struct { |
114 | u32 width, height; |
115 | u32 stride; |
116 | u32 bpp; |
117 | u32 dirty_pal:2; |
118 | } v; |
3d295a9f |
119 | } mmsp2; |
7000b522 |
120 | #define pollux mmsp2 // so that code doesn't look that weird |
121 | enum { |
122 | DIRTY_PAL_MMSP2 = 1, |
123 | DIRTY_PAL_POLLUX = 2, |
124 | }; |
3d295a9f |
125 | |
11913091 |
126 | |
c1ffd5ba |
127 | #if defined(LOG_IO) || defined(LOG_IO_UNK) |
6720e4e4 |
128 | static void log_io(const char *pfx, u32 a, u32 d, int size) |
129 | { |
130 | const char *fmt, *reg = ""; |
131 | switch (size) { |
c1ffd5ba |
132 | case 8: fmt = "%s %08x %02x %s\n"; d &= 0xff; break; |
133 | case 32: fmt = "%s %08x %08x %s\n"; break; |
134 | default: fmt = "%s %08x %04x %s\n"; d &= 0xffff; break; |
6720e4e4 |
135 | } |
136 | |
137 | if ((a & ~0xffff) == 0x7f000000) |
138 | reg = regnames[a & 0xffff]; |
139 | |
140 | printf(fmt, pfx, a, d, reg); |
141 | } |
142 | #endif |
143 | |
0881206b |
144 | static void memset16(void *dst, u32 pattern, int count) |
145 | { |
146 | u32 *dl; |
147 | u16 *d; |
148 | |
149 | d = (u16 *)((long)dst & ~1); |
150 | if ((long)d & 2) { |
151 | *d++ = pattern; |
152 | count--; |
153 | } |
154 | dl = (void *)d; |
155 | pattern |= pattern << 16; |
156 | |
157 | while (count >= 2) { |
158 | *dl++ = pattern; |
159 | count -= 2; |
160 | } |
161 | if (count) |
162 | *(u16 *)dl = pattern; |
163 | } |
164 | |
165 | static void blt_tr(void *dst, void *src, u32 trc, int w) |
166 | { |
167 | u16 *d = (u16 *)((long)dst & ~1); |
168 | u16 *s = (u16 *)((long)src & ~1); |
169 | |
170 | // XXX: optimize |
171 | for (; w > 0; d++, s++, w--) |
172 | if (*s != trc) |
173 | *d = *s; |
174 | } |
175 | |
176 | #define dump_blitter() \ |
177 | { \ |
178 | u32 *r = &blitter.dstctrl; \ |
179 | int i; \ |
180 | for (i = 0; i < 4*4; i++, r++) { \ |
181 | printf("%08x ", *r); \ |
182 | if ((i & 3) == 3) \ |
183 | printf("\n"); \ |
184 | } \ |
185 | } |
186 | |
6720e4e4 |
187 | static void *uppermem_lookup(u32 addr, u8 **mem_end) |
11913091 |
188 | { |
3d3fa63b |
189 | // XXX: maybe support mirroring? |
190 | if ((addr & 0xfe000000) != 0x02000000) |
191 | return NULL; |
3d295a9f |
192 | |
3d3fa63b |
193 | *mem_end = (u8 *)mmsp2.umem + 0x02000000; |
194 | return (u8 *)mmsp2.umem - 0x02000000 + addr; |
11913091 |
195 | } |
196 | |
3d295a9f |
197 | static void blitter_do(void) |
11913091 |
198 | { |
0881206b |
199 | u8 *dst, *dste, *src = NULL, *srce = NULL; |
3d295a9f |
200 | int w, h, sstrd, dstrd; |
6720e4e4 |
201 | int to_screen = 0; |
dc90c02d |
202 | u32 bpp, addr; |
3d295a9f |
203 | |
204 | w = blitter.size & 0x7ff; |
205 | h = (blitter.size >> 16) & 0x7ff; |
206 | sstrd = blitter.srcstride; |
207 | dstrd = blitter.dststride; |
208 | |
0881206b |
209 | // XXX: need to confirm this.. |
210 | addr = (blitter.dstaddr & ~3) | ((blitter.dstctrl & 0x1f) >> 3); |
c1ffd5ba |
211 | |
dc90c02d |
212 | // use dst bpp.. How does it do blits with different src bpp? |
213 | bpp = (blitter.dstctrl & 0x20) ? 16 : 8; |
214 | |
c1ffd5ba |
215 | // maybe the screen? |
dc90c02d |
216 | if (((w == 320 && h == 240) || // blit whole screen |
217 | (w * h >= 320*240/2)) && // ..or at least half of the area |
218 | mmsp2.mlc_stl_adr <= addr && addr < mmsp2.mlc_stl_adr + 320*240*2) |
c1ffd5ba |
219 | to_screen = 1; |
220 | |
221 | dst = uppermem_lookup(addr, &dste); |
0881206b |
222 | |
223 | // XXX: assume fill if no SRCENB, but it could be pattern blit.. |
224 | if (blitter.srcctrl & SRCCTRL_SRCENB) { |
225 | if (!(blitter.srcctrl & SRCCTRL_INVIDEO)) |
226 | goto bad_blit; |
227 | |
228 | addr = (blitter.srcaddr & ~3) | ((blitter.srcctrl & 0x1f) >> 3); |
c1ffd5ba |
229 | src = uppermem_lookup(addr, &srce); |
0881206b |
230 | if (src == NULL) |
231 | goto bad_blit; |
232 | |
233 | if (src + sstrd * h > srce) { |
6720e4e4 |
234 | err("blit %08x->%08x %dx%d did not fit src\n", |
0881206b |
235 | blitter.srcaddr, blitter.dstaddr, w, h); |
236 | h = (srce - src) / sstrd; |
237 | } |
3d295a9f |
238 | } |
239 | |
dc90c02d |
240 | if (dst == NULL) |
241 | goto bad_blit; |
242 | |
3d295a9f |
243 | if (dst + dstrd * h > dste) { |
6720e4e4 |
244 | err("blit %08x->%08x %dx%d did not fit dst\n", |
3d295a9f |
245 | blitter.srcaddr, blitter.dstaddr, w, h); |
246 | h = (dste - dst) / dstrd; |
247 | } |
248 | |
0881206b |
249 | if (src != NULL) { |
250 | // copy |
dc90c02d |
251 | if (bpp == 16 && (blitter.ctrl & CTRL_TRANSPARENCYENB)) { |
0881206b |
252 | u32 trc = blitter.ctrl >> 16; |
253 | for (; h > 0; h--, dst += dstrd, src += sstrd) |
254 | blt_tr(dst, src, trc, w); |
255 | } |
256 | else { |
257 | for (; h > 0; h--, dst += dstrd, src += sstrd) |
dc90c02d |
258 | memcpy(dst, src, w * bpp / 8); |
0881206b |
259 | } |
3d295a9f |
260 | } |
0881206b |
261 | else { |
262 | // fill. Assume the pattern is cleared and bg color is used |
263 | u32 bgc = blitter.patbackcolor & 0xffff; |
dc90c02d |
264 | if (bpp == 16) { |
265 | for (; h > 0; h--, dst += dstrd) |
266 | memset16(dst, bgc, w); |
267 | } |
268 | else { |
269 | for (; h > 0; h--, dst += dstrd) |
270 | memset(dst, bgc, w); // bgc? |
271 | } |
0881206b |
272 | } |
6720e4e4 |
273 | |
274 | if (to_screen) |
c1ffd5ba |
275 | pthread_cond_signal(&fb_cond); |
0881206b |
276 | return; |
3d295a9f |
277 | |
0881206b |
278 | bad_blit: |
6720e4e4 |
279 | err("blit %08x->%08x %dx%d translated to %p->%p\n", |
0881206b |
280 | blitter.srcaddr, blitter.dstaddr, w, h, src, dst); |
281 | dump_blitter(); |
3d295a9f |
282 | } |
283 | |
4d045184 |
284 | // FIXME: pass real dimensions to blitters |
7000b522 |
285 | static void mlc_flip(void *src, int bpp, int stride) |
6720e4e4 |
286 | { |
6ca08393 |
287 | static int old_bpp; |
6720e4e4 |
288 | |
4d045184 |
289 | // only pass pal to host if it's dirty |
7000b522 |
290 | if (bpp <= 8 && mmsp2.v.dirty_pal) { |
291 | if (mmsp2.v.dirty_pal == DIRTY_PAL_MMSP2) |
292 | host_video_update_pal32(mmsp2.mlc_stl_pallt_d32); |
293 | else |
294 | host_video_update_pal16(mmsp2.mlcpalette); |
295 | mmsp2.v.dirty_pal = 0; |
6720e4e4 |
296 | } |
297 | |
6ca08393 |
298 | if (bpp != old_bpp) { |
299 | host_video_change_bpp(bpp); |
300 | old_bpp = bpp; |
301 | } |
302 | |
6720e4e4 |
303 | switch (bpp) { |
304 | case 4: |
7000b522 |
305 | host_video_blit4(src, 320, 240, stride); |
6720e4e4 |
306 | break; |
307 | |
308 | case 8: |
7000b522 |
309 | host_video_blit8(src, 320, 240, stride); |
6720e4e4 |
310 | break; |
311 | |
312 | case 16: |
7000b522 |
313 | host_video_blit16(src, 320, 240, stride); |
6720e4e4 |
314 | break; |
315 | |
316 | case 24: |
317 | // TODO |
318 | break; |
319 | } |
6720e4e4 |
320 | } |
321 | |
c1ffd5ba |
322 | #define ts_add_nsec(ts, ns) { \ |
323 | ts.tv_nsec += ns; \ |
324 | if (ts.tv_nsec >= 1000000000) { \ |
325 | ts.tv_sec++; \ |
326 | ts.tv_nsec -= 1000000000; \ |
327 | } \ |
328 | } |
329 | |
db9191ed |
330 | static int fb_sync_thread_paused; |
331 | |
c1ffd5ba |
332 | static void *fb_sync_thread(void *arg) |
333 | { |
334 | int invalid_fb_addr = 1; |
335 | int manual_refresh = 0; |
7000b522 |
336 | int frame_counter = 0; |
c1ffd5ba |
337 | struct timespec ts; |
338 | int ret, wait_ret; |
339 | |
340 | //ret = pthread_setschedprio(pthread_self(), -1); |
341 | //log("pthread_setschedprio %d\n", ret); |
342 | //ret = setpriority(PRIO_PROCESS, 0, -1); |
343 | //log("setpriority %d\n", ret); |
344 | |
345 | ret = clock_gettime(CLOCK_REALTIME, &ts); |
346 | if (ret != 0) { |
347 | perror(PFX "clock_gettime"); |
348 | exit(1); |
349 | } |
350 | |
351 | while (1) { |
352 | u8 *gp2x_fb, *gp2x_fb_end; |
c1ffd5ba |
353 | |
354 | ret = pthread_mutex_lock(&fb_mutex); |
355 | wait_ret = pthread_cond_timedwait(&fb_cond, &fb_mutex, &ts); |
356 | ret |= pthread_mutex_unlock(&fb_mutex); |
dc90c02d |
357 | |
c1ffd5ba |
358 | if (ret != 0) { |
359 | err("fb_thread: mutex error: %d\n", ret); |
360 | sleep(1); |
7000b522 |
361 | goto check_keys; |
c1ffd5ba |
362 | } |
363 | if (wait_ret != 0 && wait_ret != ETIMEDOUT) { |
364 | err("fb_thread: cond error: %d\n", wait_ret); |
365 | sleep(1); |
7000b522 |
366 | goto check_keys; |
c1ffd5ba |
367 | } |
db9191ed |
368 | if (fb_sync_thread_paused) { |
369 | ts_add_nsec(ts, 100000000); |
7000b522 |
370 | goto check_keys; |
db9191ed |
371 | } |
c1ffd5ba |
372 | |
373 | if (wait_ret != ETIMEDOUT) { |
374 | clock_gettime(CLOCK_REALTIME, &ts); |
375 | ts_add_nsec(ts, 50000000); |
376 | manual_refresh++; |
377 | if (manual_refresh == 2) |
4d045184 |
378 | dbg("fb_thread: switch to manual refresh\n"); |
c1ffd5ba |
379 | } else { |
380 | ts_add_nsec(ts, 16666667); |
381 | if (manual_refresh > 1) |
4d045184 |
382 | dbg("fb_thread: switch to auto refresh\n"); |
c1ffd5ba |
383 | manual_refresh = 0; |
384 | } |
385 | |
c1ffd5ba |
386 | gp2x_fb = uppermem_lookup(mmsp2.mlc_stl_adr, &gp2x_fb_end); |
7000b522 |
387 | if (gp2x_fb == NULL || gp2x_fb + 320*240 * mmsp2.v.bpp / 8 > gp2x_fb_end) { |
c1ffd5ba |
388 | if (!invalid_fb_addr) { |
389 | err("fb_thread: %08x is out of range\n", mmsp2.mlc_stl_adr); |
390 | invalid_fb_addr = 1; |
391 | } |
392 | continue; |
393 | } |
394 | |
7000b522 |
395 | invalid_fb_addr = 0; |
396 | mlc_flip(gp2x_fb, mmsp2.v.bpp, mmsp2.v.stride); |
397 | |
398 | frame_counter++; |
399 | if (frame_counter & 0x0f) |
400 | continue; |
401 | |
402 | check_keys: |
403 | // this is to check for kill key, in case main thread hung |
404 | // or something else went wrong. |
405 | pollux.btn_state = host_read_btns(); |
c1ffd5ba |
406 | } |
407 | } |
408 | |
db9191ed |
409 | static void fb_thread_pause(void) |
410 | { |
411 | fb_sync_thread_paused = 1; |
412 | // wait until it finishes last refresh |
413 | // that it might be doing now |
414 | usleep(10000); |
415 | } |
416 | |
417 | static void fb_thread_resume(void) |
418 | { |
419 | fb_sync_thread_paused = 0; |
420 | } |
421 | |
7000b522 |
422 | static u32 xread32_io_cmn(u32 a, u32 *handled) |
423 | { |
424 | u32 d = 0; |
425 | |
426 | *handled = 1; |
427 | switch (a) { |
428 | // Wiz stuff |
429 | case 0x402c: // MLCVSTRIDE0 |
430 | case 0x4060: // MLCVSTRIDE1 |
431 | d = pollux.v.stride; |
432 | break; |
433 | case 0x4038: // MLCADDRESS0 |
434 | case 0x406c: // MLCADDRESS1 |
435 | d = pollux.mlc_stl_adr; |
436 | break; |
437 | // wiz_lib reads: |
438 | // ???? ???? YXBA DURiLe ???? VdVuMS LR?? ???? |
439 | // | GPIOC[31:16] | GPIOB[31:16] | |
440 | case 0xa058: // GPIOBPAD |
441 | d = pollux.btn_state & 0x0300; |
442 | d |= (pollux.btn_state >> 3) & 0x0080; |
443 | d |= (pollux.btn_state >> 5) & 0x0040; |
444 | d |= (pollux.btn_state >> 6) & 0x0c00; |
445 | d <<= 16; |
446 | d = ~d; |
447 | break; |
448 | case 0xa098: // GPIOCPAD |
449 | pollux.btn_state = host_read_btns(); |
450 | d = (pollux.btn_state >> 8) & 0x00f0; |
451 | d |= (pollux.btn_state >> 1) & 0x0008; |
452 | d |= (pollux.btn_state << 2) & 0x0004; |
453 | d |= (pollux.btn_state >> 5) & 0x0002; |
454 | d |= (pollux.btn_state >> 2) & 0x0001; |
455 | d <<= 16; |
456 | d = ~d; |
457 | break; |
458 | default: |
459 | *handled = 0; |
460 | break; |
461 | } |
462 | |
463 | return d; |
464 | } |
465 | |
3d295a9f |
466 | static u32 xread8(u32 a) |
467 | { |
6720e4e4 |
468 | iolog("r8 ", a, 0, 8); |
469 | iolog_unh("r8 ", a, 0, 8); |
3d295a9f |
470 | return 0; |
11913091 |
471 | } |
472 | |
473 | static u32 xread16(u32 a) |
474 | { |
6720e4e4 |
475 | static u32 fudge, old_a; |
476 | u32 d = 0, t; |
477 | |
478 | if ((a & 0xffff0000) == 0x7f000000) { |
479 | u32 a_ = a & 0xffff; |
480 | switch (a_) { |
481 | case 0x0910: // FPLL |
482 | case 0x0912: |
483 | d = 0x9407; |
484 | break; |
485 | // minilib reads as: |
7000b522 |
486 | // 0000 P000 VuVd00 0000 YXBA RLSeSt 0Ri0D 0Le0U |
487 | // | GPIOD |GPIOC[8:15]|GPIOM[0:7] | |
6720e4e4 |
488 | // /dev/GPIO: |
489 | // ... 0PVdVu ... |
490 | case 0x1184: // GPIOC |
491 | d = ~mmsp2.btn_state & 0xff00; |
492 | d |= 0x00ff; |
493 | break; |
494 | case 0x1186: // GPIOD |
495 | t = ~mmsp2.btn_state; |
496 | d = (t >> 9) & 0x0080; |
497 | d |= (t >> 11) & 0x0040; |
498 | d |= (t >> 7) & 0x0800; |
499 | d |= 0x373b; |
500 | break; |
501 | case 0x1198: // GPIOM |
502 | mmsp2.btn_state = host_read_btns(); |
503 | d = ~mmsp2.btn_state & 0xff; |
504 | d |= 0x01aa; |
505 | break; |
c1ffd5ba |
506 | case 0x1836: // reserved |
507 | d = 0x2330; |
508 | break; |
509 | case 0x2816: // DPC_X_MAX |
510 | d = 319; |
511 | break; |
512 | case 0x2818: // DPC_Y_MAX |
513 | d = 239; |
514 | break; |
6720e4e4 |
515 | case 0x28da: |
516 | d = mmsp2.mlc_stl_cntl; |
517 | break; |
c1ffd5ba |
518 | case 0x290e: |
519 | case 0x2912: |
520 | d = mmsp2.mlc_stl_adrl; |
521 | break; |
522 | case 0x2910: |
523 | case 0x2914: |
524 | d = mmsp2.mlc_stl_adrh; |
525 | break; |
6720e4e4 |
526 | case 0x2958: |
527 | d = mmsp2.mlc_stl_pallt_a; |
528 | break; |
7000b522 |
529 | |
6720e4e4 |
530 | default: |
7000b522 |
531 | d = xread32_io_cmn(a_, &t); |
532 | if (!t) |
533 | goto unk; |
534 | if (!(a_ & 2)) |
535 | d >>= 16; |
536 | break; |
6720e4e4 |
537 | } |
538 | goto out; |
539 | } |
540 | |
7000b522 |
541 | unk: |
6720e4e4 |
542 | if (a == old_a) { |
543 | d = fudge; |
544 | fudge = ~fudge; |
545 | } |
546 | old_a = a; |
547 | iolog_unh("r16", a, d & 0xffff, 16); |
548 | |
549 | out: |
550 | d &= 0xffff; |
551 | iolog("r16", a, d, 16); |
552 | return d; |
11913091 |
553 | } |
554 | |
555 | static u32 xread32(u32 a) |
556 | { |
3d295a9f |
557 | u32 d = 0; |
dc90c02d |
558 | if ((a & 0xfff00000) == 0x7f000000) { |
559 | u32 a_ = a & 0xffff; |
3d3fa63b |
560 | struct timespec ts; |
561 | u64 t64; |
7000b522 |
562 | u32 t; |
3d3fa63b |
563 | |
dc90c02d |
564 | switch (a_) { |
565 | case 0x0a00: // TCOUNT, 1/7372800s |
3d3fa63b |
566 | clock_gettime(CLOCK_REALTIME, &ts); |
567 | t64 = (u64)ts.tv_sec * 1000000000 + ts.tv_nsec; |
568 | // t * 7372800.0 / 1000000000 * 0x100000000 ~= t * 31665935 |
569 | t64 *= 31665935; |
570 | d = t64 >> 32; |
dc90c02d |
571 | break; |
7000b522 |
572 | |
573 | default: |
574 | d = xread32_io_cmn(a_, &t); |
575 | if (!t) |
576 | goto unh; |
577 | break; |
dc90c02d |
578 | } |
7000b522 |
579 | goto out; |
dc90c02d |
580 | } |
3d295a9f |
581 | if ((a & 0xfff00000) == 0x7f100000) { |
582 | u32 *bl = &blitter.dstctrl; |
6720e4e4 |
583 | u32 a_ = a & 0xfff; |
584 | if (a_ < 0x40) { |
585 | d = bl[a_ / 4]; |
586 | if (a_ == 0x34) |
587 | d = 0; // not busy |
588 | goto out; |
589 | } |
3d295a9f |
590 | } |
7000b522 |
591 | |
592 | unh: |
6720e4e4 |
593 | iolog_unh("r32", a, d, 32); |
594 | |
595 | out: |
596 | iolog("r32", a, d, 32); |
3d295a9f |
597 | return d; |
11913091 |
598 | } |
599 | |
600 | static void xwrite8(u32 a, u32 d) |
601 | { |
6720e4e4 |
602 | iolog("w8 ", a, d, 8); |
603 | iolog_unh("w8 ", a, d, 8); |
11913091 |
604 | } |
605 | |
606 | static void xwrite16(u32 a, u32 d) |
607 | { |
6720e4e4 |
608 | iolog("w16", a, d, 16); |
3d295a9f |
609 | if ((a & 0xfff00000) == 0x7f000000) { |
6720e4e4 |
610 | u32 a_ = a & 0xffff; |
611 | switch (a_) { |
7000b522 |
612 | case 0x28da: { |
613 | int mode; |
614 | mmsp2.mlc_stl_cntl = d | 0xaa; |
615 | mode = (d >> 9) & 3; |
616 | mmsp2.v.bpp = mode ? mode * 8 : 4; |
617 | break; |
618 | } |
619 | case 0x290c: |
620 | mmsp2.v.stride = d; |
621 | return; |
622 | case 0x290e: |
623 | case 0x2910: |
624 | // odd addresses don't affect LCD. What about TV? |
625 | return; |
626 | case 0x2912: |
627 | mmsp2.mlc_stl_adrl = d; |
628 | return; |
629 | case 0x2914: |
630 | mmsp2.mlc_stl_adrh = d; |
631 | if (mmsp2.mlc_stl_adr != mmsp2.old_mlc_stl_adr) |
632 | // ask for refresh |
633 | pthread_cond_signal(&fb_cond); |
634 | mmsp2.old_mlc_stl_adr = mmsp2.mlc_stl_adr; |
635 | return; |
636 | case 0x2958: |
637 | mmsp2.mlc_stl_pallt_a = d & 0x1ff; |
638 | return; |
639 | case 0x295a: |
640 | mmsp2.mlc_stl_pallt_d[mmsp2.mlc_stl_pallt_a++] = d; |
641 | mmsp2.mlc_stl_pallt_a &= 0x1ff; |
642 | mmsp2.v.dirty_pal = DIRTY_PAL_MMSP2; |
643 | return; |
3d295a9f |
644 | } |
3d295a9f |
645 | } |
6720e4e4 |
646 | iolog_unh("w16", a, d, 16); |
11913091 |
647 | } |
648 | |
649 | static void xwrite32(u32 a, u32 d) |
650 | { |
6720e4e4 |
651 | iolog("w32", a, d, 32); |
652 | |
7000b522 |
653 | if ((a & 0xfff00000) == 0x7f000000) { |
654 | u32 a_ = a & 0xffff; |
655 | switch (a_) { |
656 | // Wiz |
657 | case 0x4024: // MLCCONTROL0 |
658 | case 0x4058: // MLCCONTROL1 |
659 | pollux.mlccontrol = d; |
660 | if (!(d & 0x20)) |
661 | return; // layer not enabled |
662 | if ((d >> 16) == 0x443A) |
663 | pollux.v.bpp = 8; |
664 | else |
665 | pollux.v.bpp = 16; |
666 | return; |
667 | case 0x402c: // MLCVSTRIDE0 |
668 | case 0x4060: // MLCVSTRIDE1 |
669 | pollux.v.stride = d; |
670 | return; |
671 | case 0x4038: // MLCADDRESS0 |
672 | case 0x406c: // MLCADDRESS1 |
673 | pollux.mlc_stl_adr = d; |
674 | if (d != mmsp2.old_mlc_stl_adr) |
675 | // ask for refresh |
676 | pthread_cond_signal(&fb_cond); |
677 | mmsp2.old_mlc_stl_adr = d; |
678 | return; |
679 | case 0x403c: // MLCPALETTE0 |
680 | case 0x4070: // MLCPALETTE1 |
681 | pollux.mlcpalette[d >> 24] = d; |
682 | pollux.v.dirty_pal = DIRTY_PAL_POLLUX; |
683 | return; |
684 | } |
685 | } |
3d295a9f |
686 | if ((a & 0xfff00000) == 0x7f100000) { |
687 | u32 *bl = &blitter.dstctrl; |
6720e4e4 |
688 | u32 a_ = a & 0xfff; |
689 | if (a_ < 0x40) { |
690 | bl[a_ / 4] = d; |
691 | if (a_ == 0x34 && (d & 1)) |
692 | blitter_do(); |
693 | return; |
694 | } |
3d295a9f |
695 | } |
6720e4e4 |
696 | iolog_unh("w32", a, d, 32); |
11913091 |
697 | } |
698 | |
6720e4e4 |
699 | #define LINKPAGE_SIZE 0x1000 |
700 | #define LINKPAGE_COUNT 4 |
701 | #define LINKPAGE_ALLOC (LINKPAGE_SIZE * LINKPAGE_COUNT) |
702 | |
703 | struct op_context { |
704 | u32 pc; |
705 | u32 op; |
706 | u32 code[0]; |
707 | }; |
708 | |
3d3fa63b |
709 | struct op_linkpage { |
6720e4e4 |
710 | void (*handler)(struct op_context *op_ctx); |
711 | u32 code[0]; |
712 | }; |
713 | |
3d3fa63b |
714 | struct op_stackframe { |
715 | u32 saved_regs[15]; |
716 | u32 cpsr; |
717 | }; |
718 | |
719 | static struct op_linkpage *g_linkpage; |
6720e4e4 |
720 | static u32 *g_code_ptr; |
721 | static int g_linkpage_count; |
722 | |
11913091 |
723 | #define BIT_SET(v, b) (v & (1 << (b))) |
724 | |
3d3fa63b |
725 | void emu_handle_op(struct op_context *op_ctx, struct op_stackframe *sframe) |
11913091 |
726 | { |
3d3fa63b |
727 | u32 *regs = sframe->saved_regs; |
6720e4e4 |
728 | u32 op = op_ctx->op; |
11913091 |
729 | u32 t, shift, ret, addr; |
730 | int rn, rd; |
731 | |
732 | rd = (op & 0x0000f000) >> 12; |
733 | rn = (op & 0x000f0000) >> 16; |
734 | |
735 | if ((op & 0x0f200090) == 0x01000090) { // AM3: LDRH, STRH |
86418a84 |
736 | if (!BIT_SET(op, 5)) // !H |
737 | goto unhandled; |
738 | if (BIT_SET(op, 6) && !BIT_SET(op, 20)) // S && !L |
11913091 |
739 | goto unhandled; |
740 | |
741 | if (BIT_SET(op, 22)) // imm offset |
742 | t = ((op & 0xf00) >> 4) | (op & 0x0f); |
743 | else // reg offset |
744 | t = regs[op & 0x000f]; |
745 | |
746 | if (!BIT_SET(op, 23)) |
747 | t = -t; |
748 | addr = regs[rn] + t; |
749 | |
750 | if (BIT_SET(op, 20)) { // Load |
751 | ret = xread16(addr); |
86418a84 |
752 | if (BIT_SET(op, 6)) { // S |
753 | ret <<= 16; |
754 | ret = (signed int)ret >> 16; |
755 | } |
11913091 |
756 | regs[rd] = ret; |
757 | } |
758 | else |
759 | xwrite16(addr, regs[rd]); |
760 | } |
761 | else if ((op & 0x0d200000) == 0x05000000) { // AM2: LDR[B], STR[B] |
762 | if (BIT_SET(op, 25)) { // reg offs |
763 | if (BIT_SET(op, 4)) |
764 | goto unhandled; |
765 | |
766 | t = regs[op & 0x000f]; |
767 | shift = (op & 0x0f80) >> 7; |
768 | switch ((op & 0x0060) >> 5) { |
769 | case 0: t = t << shift; break; |
770 | case 1: t = t >> (shift + 1); break; |
771 | case 2: t = (signed int)t >> (shift + 1); break; |
772 | case 3: goto unhandled; // I'm just lazy |
773 | } |
774 | } |
775 | else // imm offs |
776 | t = op & 0x0fff; |
777 | |
778 | if (!BIT_SET(op, 23)) |
779 | t = -t; |
780 | addr = regs[rn] + t; |
781 | |
782 | if (BIT_SET(op, 20)) { // Load |
783 | if (BIT_SET(op, 22)) // Byte |
784 | ret = xread8(addr); |
785 | else |
786 | ret = xread32(addr); |
787 | regs[rd] = ret; |
788 | } |
789 | else { |
790 | if (BIT_SET(op, 22)) // Byte |
791 | xwrite8(addr, regs[rd]); |
792 | else |
793 | xwrite32(addr, regs[rd]); |
794 | } |
795 | } |
796 | else |
797 | goto unhandled; |
798 | |
86418a84 |
799 | #if 0 |
11913091 |
800 | if (addr != addr_check) { |
801 | fprintf(stderr, "bad calculated addr: %08x vs %08x\n", addr, addr_check); |
802 | abort(); |
803 | } |
86418a84 |
804 | #endif |
11913091 |
805 | return; |
806 | |
807 | unhandled: |
6720e4e4 |
808 | err("unhandled IO op %08x @ %08x\n", op, op_ctx->pc); |
86418a84 |
809 | } |
810 | |
811 | static u32 make_offset12(u32 *pc, u32 *target) |
812 | { |
813 | int lp_offs, u = 1; |
814 | |
815 | lp_offs = (char *)target - (char *)pc - 2*4; |
816 | if (lp_offs < 0) { |
817 | lp_offs = -lp_offs; |
818 | u = 0; |
819 | } |
820 | if (lp_offs >= LINKPAGE_SIZE) { |
6720e4e4 |
821 | err("linkpage too far: %d\n", lp_offs); |
86418a84 |
822 | abort(); |
823 | } |
824 | |
825 | return (u << 23) | lp_offs; |
826 | } |
827 | |
6720e4e4 |
828 | static u32 make_jmp(u32 *pc, u32 *target, int bl) |
86418a84 |
829 | { |
830 | int jmp_val; |
831 | |
832 | jmp_val = target - pc - 2; |
833 | if (jmp_val < (int)0xff000000 || jmp_val > 0x00ffffff) { |
6720e4e4 |
834 | err("jump out of range (%p -> %p)\n", pc, target); |
86418a84 |
835 | abort(); |
836 | } |
837 | |
6720e4e4 |
838 | return 0xea000000 | (bl << 24) | (jmp_val & 0x00ffffff); |
86418a84 |
839 | } |
840 | |
841 | static void emit_op(u32 op) |
842 | { |
843 | *g_code_ptr++ = op; |
844 | } |
845 | |
846 | static void emit_op_io(u32 op, u32 *target) |
847 | { |
848 | op |= make_offset12(g_code_ptr, target); |
849 | emit_op(op); |
850 | } |
851 | |
6720e4e4 |
852 | static void init_linkpage(void) |
853 | { |
3d3fa63b |
854 | g_linkpage->handler = emu_call_handle_op; |
6720e4e4 |
855 | g_code_ptr = g_linkpage->code; |
6720e4e4 |
856 | } |
857 | |
86418a84 |
858 | static void segv_sigaction(int num, siginfo_t *info, void *ctx) |
859 | { |
860 | struct ucontext *context = ctx; |
861 | u32 *regs = (u32 *)&context->uc_mcontext.arm_r0; |
862 | u32 *pc = (u32 *)regs[15]; |
6720e4e4 |
863 | struct op_context *op_ctx; |
7fd42181 |
864 | int i, lp_size; |
86418a84 |
865 | |
6720e4e4 |
866 | if (((regs[15] ^ (u32)&segv_sigaction) & 0xff000000) == 0 || // PC is in our segment or |
867 | (((regs[15] ^ (u32)g_linkpage) & ~(LINKPAGE_ALLOC - 1)) == 0) || // .. in linkpage |
868 | ((long)info->si_addr & 0xffe00000) != 0x7f000000) // faulting not where expected |
86418a84 |
869 | { |
870 | // real crash - time to die |
6720e4e4 |
871 | err("segv %d %p @ %08x\n", info->si_code, info->si_addr, regs[15]); |
7fd42181 |
872 | for (i = 0; i < 8; i++) |
4d045184 |
873 | dbg(" r%d=%08x r%2d=%08x\n", i, regs[i], i+8, regs[i+8]); |
86418a84 |
874 | signal(num, SIG_DFL); |
875 | raise(num); |
c1ffd5ba |
876 | return; |
86418a84 |
877 | } |
0881206b |
878 | segvlog("segv %d %p @ %08x\n", info->si_code, info->si_addr, regs[15]); |
86418a84 |
879 | |
880 | // spit PC and op |
6720e4e4 |
881 | op_ctx = (void *)g_code_ptr; |
882 | op_ctx->pc = (u32)pc; |
883 | op_ctx->op = *pc; |
884 | g_code_ptr = &op_ctx->code[0]; |
86418a84 |
885 | |
886 | // emit jump to code ptr |
6720e4e4 |
887 | *pc = make_jmp(pc, g_code_ptr, 0); |
86418a84 |
888 | |
889 | // generate code: |
3d3fa63b |
890 | emit_op (0xe50d0000 + 0xf00 - 4 * 0); // str r0, [sp, #(-0xf00 + r0_offs)] |
891 | emit_op (0xe50de000 + 0xf00 - 4 * 14); // str lr, [sp, #(-0xf00 + lr_offs)] |
6720e4e4 |
892 | emit_op (0xe24f0000 + (g_code_ptr - (u32 *)op_ctx + 2) * 4); // sub r0, pc, #op_ctx |
3d3fa63b |
893 | emit_op (0xe1a0e00f); // mov lr, pc |
894 | emit_op_io(0xe51ff000, (u32 *)&g_linkpage->handler); // ldr pc, =handle_op |
895 | emit_op (0xe51de000 + 0xf00 - 4 * 14); // ldr lr, [sp, #(-0xf00 + lr_offs)] |
6720e4e4 |
896 | emit_op (make_jmp(g_code_ptr, pc + 1, 0)); // jmp <back> |
86418a84 |
897 | |
898 | // sync caches |
899 | sys_cacheflush(pc, pc + 1); |
900 | sys_cacheflush(g_linkpage, g_code_ptr); |
901 | |
902 | lp_size = (char *)g_code_ptr - (char *)g_linkpage; |
0881206b |
903 | segvlog("code #%d %d/%d\n", g_linkpage_count, lp_size, LINKPAGE_SIZE); |
86418a84 |
904 | |
905 | if (lp_size + 13*4 > LINKPAGE_SIZE) { |
906 | g_linkpage_count++; |
907 | if (g_linkpage_count >= LINKPAGE_COUNT) { |
6720e4e4 |
908 | err("too many linkpages needed\n"); |
86418a84 |
909 | abort(); |
910 | } |
911 | g_linkpage = (void *)((char *)g_linkpage + LINKPAGE_SIZE); |
912 | init_linkpage(); |
913 | } |
914 | //handle_op(regs[15], op, regs, (u32)info->si_addr); |
915 | //regs[15] += 4; |
916 | } |
11913091 |
917 | |
918 | void emu_init(void *map_bottom) |
919 | { |
7fd42181 |
920 | sigaction_t segv_action = { |
11913091 |
921 | .sa_sigaction = segv_sigaction, |
922 | .sa_flags = SA_SIGINFO, |
923 | }; |
c1ffd5ba |
924 | pthread_t tid; |
6720e4e4 |
925 | void *pret; |
926 | int ret; |
11913091 |
927 | |
86418a84 |
928 | g_linkpage = (void *)(((u32)map_bottom - LINKPAGE_ALLOC) & ~0xfff); |
7fd42181 |
929 | pret = mmap(g_linkpage, LINKPAGE_ALLOC, PROT_READ|PROT_WRITE, |
4d045184 |
930 | MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED, -1, 0); |
6720e4e4 |
931 | if (pret != g_linkpage) { |
932 | perror(PFX "mmap linkpage"); |
11913091 |
933 | exit(1); |
934 | } |
c1ffd5ba |
935 | log("linkpages @ %p\n", g_linkpage); |
86418a84 |
936 | init_linkpage(); |
11913091 |
937 | |
4d045184 |
938 | // host stuff |
939 | ret = host_init(); |
940 | if (ret != 0) { |
941 | err("can't init host\n"); |
3d3fa63b |
942 | exit(1); |
943 | } |
944 | |
4d045184 |
945 | ret = host_video_init(NULL, 0); |
2ce69bdf |
946 | if (ret != 0) { |
4d045184 |
947 | err("can't init host video\n"); |
948 | exit(1); |
949 | } |
950 | |
951 | #ifdef WIZ |
952 | // we are short on memmory on Wiz, need special handling |
953 | extern void *host_mmap_upper(void); |
954 | mmsp2.umem = host_mmap_upper(); |
955 | #else |
956 | mmsp2.umem = mmap(NULL, 0x2000000, PROT_READ|PROT_WRITE|PROT_EXEC, |
957 | MAP_PRIVATE|MAP_ANONYMOUS, -1, 0); |
958 | #endif |
959 | if (mmsp2.umem == MAP_FAILED) { |
960 | perror(PFX "mmap upper mem"); |
3d295a9f |
961 | exit(1); |
962 | } |
c1ffd5ba |
963 | |
964 | ret = pthread_create(&tid, NULL, fb_sync_thread, NULL); |
965 | if (ret != 0) { |
966 | err("failed to create fb_sync_thread: %d\n", ret); |
967 | exit(1); |
968 | } |
969 | pthread_detach(tid); |
970 | |
7000b522 |
971 | // defaults |
c1ffd5ba |
972 | mmsp2.mlc_stl_adr = 0x03101000; // fb2 is at 0x03381000 |
7fd42181 |
973 | mmsp2.mlc_stl_cntl = 0x4ab; // 16bpp, region 1 active |
7000b522 |
974 | mmsp2.v.width = 320; |
975 | mmsp2.v.height = 240; |
976 | mmsp2.v.stride = 320*2; |
977 | mmsp2.v.bpp = 16; |
978 | mmsp2.v.dirty_pal = 1; |
c1ffd5ba |
979 | |
980 | sigemptyset(&segv_action.sa_mask); |
981 | sigaction(SIGSEGV, &segv_action, NULL); |
3d295a9f |
982 | } |
983 | |
984 | int emu_read_gpiodev(void *buf, int count) |
985 | { |
4d045184 |
986 | if (count <= 0) { |
6720e4e4 |
987 | err("gpiodev read %d?\n", count); |
3d295a9f |
988 | return -1; |
989 | } |
4d045184 |
990 | if (count > 4) |
991 | count = 4; |
3d295a9f |
992 | |
4d045184 |
993 | mmsp2.btn_state = host_read_btns(); |
994 | memcpy(buf, &mmsp2.btn_state, count); |
995 | return count; |
11913091 |
996 | } |
997 | |
dc90c02d |
998 | static void *emu_mmap_dev(unsigned int length, int prot, int flags, unsigned int offset) |
11913091 |
999 | { |
3d3fa63b |
1000 | u8 *umem, *umem_end; |
11913091 |
1001 | |
3d295a9f |
1002 | // SoC regs |
7000b522 |
1003 | if ((offset & ~0x1ffff) == 0xc0000000) { |
11913091 |
1004 | return mmap((void *)0x7f000000, length, PROT_NONE, |
1005 | MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED|MAP_NORESERVE, -1, 0); |
1006 | } |
7000b522 |
1007 | // MMSP2 blitter |
11913091 |
1008 | if ((offset & ~0xffff) == 0xe0020000) { |
1009 | return mmap((void *)0x7f100000, length, PROT_NONE, |
1010 | MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED|MAP_NORESERVE, -1, 0); |
1011 | } |
3d295a9f |
1012 | // upper mem |
3d3fa63b |
1013 | if ((offset & 0xfe000000) != 0x02000000) { |
6720e4e4 |
1014 | err("unexpected devmem mmap @ %08x\n", offset); |
dc90c02d |
1015 | errno = EINVAL; |
3d295a9f |
1016 | return MAP_FAILED; |
1017 | } |
1018 | |
3d3fa63b |
1019 | umem = uppermem_lookup(offset, &umem_end); |
1020 | if (umem + length > umem_end) |
1021 | err("warning: uppermem @ %08x overflows by %d bytes\n", |
1022 | offset, umem + length - umem_end); |
1023 | |
1024 | dbg("upper mem @ %08x %d\n", offset, length); |
1025 | return umem; |
11913091 |
1026 | } |
1027 | |
dc90c02d |
1028 | void *emu_do_mmap(unsigned int length, int prot, int flags, int fd, unsigned int offset) |
1029 | { |
1030 | if (fd == FAKEDEV_MEM) |
1031 | return emu_mmap_dev(length, prot, flags, offset); |
1032 | |
1033 | if (fd == FAKEDEV_FB0) |
1034 | return emu_mmap_dev(length, prot, flags, offset + 0x03101000); |
1035 | |
1036 | if (fd == FAKEDEV_FB1) |
1037 | return emu_mmap_dev(length, prot, flags, offset + 0x03381000); |
1038 | |
7fd42181 |
1039 | err("bad/ni mmap(?, %d, %x, %x, %d, %08x)\n", length, prot, flags, fd, offset); |
dc90c02d |
1040 | errno = EINVAL; |
1041 | return MAP_FAILED; |
1042 | } |
1043 | |
7000b522 |
1044 | static void emu_sound_open(int fd) |
1045 | { |
1046 | #ifdef PND |
1047 | int ret, frag; |
1048 | |
1049 | // set default buffer size to 16 * 1K |
1050 | frag = (16<<16) | 10; // 16K |
1051 | ret = ioctl(fd, SNDCTL_DSP_SETFRAGMENT, &frag); |
1052 | if (ret != 0) { |
1053 | err("snd ioctl SETFRAGMENT %08x: ", frag); |
1054 | perror(NULL); |
1055 | } |
1056 | #endif |
1057 | } |
1058 | |
dc90c02d |
1059 | static int emu_sound_ioctl(int fd, int request, void *argp) |
1060 | { |
1061 | int *arg = argp; |
1062 | |
1063 | #if 0 |
1064 | dbg("snd ioctl(%d, %08x, %p)", fd, request, argp); |
1065 | if (arg != NULL) |
1066 | dbg_c(" [%d]", *arg); |
1067 | dbg_c("\n"); |
1068 | #endif |
1069 | |
1070 | /* People set strange frag settings on GP2X, which even manage |
1071 | * to break audio on pandora (causes writes to fail). |
1072 | * Catch this and set to something that works. */ |
7000b522 |
1073 | switch(request) { |
1074 | case SNDCTL_DSP_SETFRAGMENT: { |
1075 | int ret, bsize, frag, frag_cnt; |
1076 | if (arg == NULL) |
1077 | break; |
dc90c02d |
1078 | |
7000b522 |
1079 | frag = *arg & 0xffff; |
1080 | frag_cnt = *arg >> 16; |
1081 | bsize = frag_cnt << frag; |
1082 | if (frag < 10 || bsize < 4096*4 || bsize > 4096*4*2) { |
1083 | /* |
1084 | * ~4ms. gpSP wants small buffers or else it stutters |
1085 | * because of it's audio thread sync stuff |
1086 | * XXX: hardcoding, as low samplerates will result in small fragment size, |
1087 | * which itself causes ALSA stall and hangs the program. |
1088 | * Also some apps change samplerate without reopening /dev/dsp, |
1089 | * which causes ALSA to reject SNDCTL_DSP_SETFRAGMENT. |
1090 | */ |
1091 | bsize = 44100 / 250 * 4; |
1092 | |
1093 | for (frag = 0; bsize; bsize >>= 1, frag++) |
1094 | ; |
1095 | |
1096 | frag_cnt = 16; |
1097 | } |
dc90c02d |
1098 | |
7000b522 |
1099 | frag |= frag_cnt << 16; |
1100 | ret = ioctl(fd, SNDCTL_DSP_SETFRAGMENT, &frag); |
1101 | if (ret != 0) { |
1102 | err("snd ioctl SETFRAGMENT %08x: ", frag); |
1103 | perror(NULL); |
1104 | } |
1105 | // indicate success even if we fail (because of ALSA mostly), |
1106 | // things like MikMod will bail out otherwise. |
1107 | return 0; |
dc90c02d |
1108 | } |
7000b522 |
1109 | case SNDCTL_DSP_SYNC: |
1110 | // Franxis tends to use sync/write loops, bad idea under ALSA |
1111 | return 0; |
1112 | default: |
1113 | break; |
dc90c02d |
1114 | } |
dc90c02d |
1115 | |
1116 | return ioctl(fd, request, argp); |
1117 | } |
1118 | |
dc90c02d |
1119 | int emu_do_ioctl(int fd, int request, void *argp) |
1120 | { |
1121 | if (fd == emu_interesting_fds[IFD_SOUND].fd) |
1122 | return emu_sound_ioctl(fd, request, argp); |
1123 | |
7fd42181 |
1124 | switch (fd) { |
1125 | /* *********************** */ |
1126 | case FAKEDEV_FB0: |
1127 | case FAKEDEV_FB1: |
1128 | if (argp == NULL) |
1129 | goto fail; |
dc90c02d |
1130 | |
dc90c02d |
1131 | switch (request) { |
1132 | case FBIOGET_FSCREENINFO: { |
1133 | struct fb_fix_screeninfo *fix = argp; |
1134 | |
1135 | memset(fix, 0, sizeof(*fix)); |
1136 | strcpy(fix->id, "mmsp2_RGB0"); |
1137 | fix->type = FB_TYPE_PACKED_PIXELS; |
1138 | fix->accel = FB_ACCEL_NONE; |
7fd42181 |
1139 | fix->visual = FB_VISUAL_TRUECOLOR; |
1140 | fix->line_length = 320*2; |
dc90c02d |
1141 | fix->smem_start = (fd == FAKEDEV_FB0) ? 0x03101000 : 0x03381000; |
1142 | fix->smem_len = 320*240*2; |
1143 | return 0; |
1144 | } |
1145 | case FBIOGET_VSCREENINFO: { |
1146 | struct fb_var_screeninfo *var = argp; |
7fd42181 |
1147 | static const struct fb_bitfield fbb_red = { offset: 11, length: 5, }; |
1148 | static const struct fb_bitfield fbb_green = { offset: 5, length: 6, }; |
1149 | static const struct fb_bitfield fbb_blue = { offset: 0, length: 5, }; |
dc90c02d |
1150 | |
1151 | memset(var, 0, sizeof(*var)); |
1152 | var->activate = FB_ACTIVATE_NOW; |
1153 | var->xres = |
1154 | var->xres_virtual = 320; |
1155 | var->yres = |
1156 | var->yres_virtual = 240; |
1157 | var->width = |
1158 | var->height = -1; |
1159 | var->vmode = FB_VMODE_NONINTERLACED; |
1160 | var->bits_per_pixel = 16; |
1161 | var->red = fbb_red; |
1162 | var->green = fbb_green; |
1163 | var->blue = fbb_blue; |
1164 | return 0; |
1165 | } |
7fd42181 |
1166 | case FBIOPUT_VSCREENINFO: { |
1167 | struct fb_var_screeninfo *var = argp; |
1168 | dbg(" put vscreen: %dx%d@%d\n", var->xres, var->yres, var->bits_per_pixel); |
1169 | if (var->xres != 320 || var->yres != 240 || var->bits_per_pixel != 16) |
1170 | return -1; |
1171 | return 0; |
1172 | } |
dc90c02d |
1173 | } |
7fd42181 |
1174 | |
1175 | /* *********************** */ |
1176 | case FAKEDEV_TTY0: |
1177 | // fake tty0 to make GPH SDL happy |
1178 | if (request == 0x4b46) // KDGKBENT |
1179 | return -1; |
1180 | return 0; |
dc90c02d |
1181 | } |
1182 | |
1183 | fail: |
7fd42181 |
1184 | err("bad/ni ioctl(%d, %08x, %p)\n", fd, request, argp); |
dc90c02d |
1185 | errno = EINVAL; |
1186 | return -1; |
1187 | } |
1188 | |
7000b522 |
1189 | struct dev_fd_t emu_interesting_fds[] = { |
1190 | [IFD_SOUND] = { "/dev/dsp", -1, emu_sound_open }, |
1191 | { NULL, 0, NULL }, |
1192 | }; |
1193 | |
7fd42181 |
1194 | static const struct { |
1195 | const char *from; |
1196 | const char *to; |
1197 | } path_map[] = { |
1198 | { "/mnt/tmp/", "/tmp/" }, |
1199 | }; |
1200 | |
7fd42181 |
1201 | static const char *wrap_path(const char *path) |
1202 | { |
3d3fa63b |
1203 | char *buff; |
1204 | size_t size; |
7fd42181 |
1205 | int i, len; |
1206 | |
1207 | // do only path mapping for now |
1208 | for (i = 0; i < ARRAY_SIZE(path_map); i++) { |
1209 | len = strlen(path_map[i].from); |
1210 | if (strncmp(path, path_map[i].from, len) == 0) { |
3d3fa63b |
1211 | size = strlen(path) + strlen(path_map[i].to) + 1; |
1212 | buff = malloc(size); |
1213 | if (buff == NULL) |
1214 | break; |
1215 | snprintf(buff, size, "%s%s", path_map[i].to, path + len); |
1216 | dbg("mapped path \"%s\" -> \"%s\"\n", path, buff); |
1217 | return buff; |
7fd42181 |
1218 | } |
1219 | } |
1220 | |
1221 | return path; |
1222 | } |
1223 | |
7000b522 |
1224 | static void wrap_path_free(const char *w_path, const char *old_path) |
1225 | { |
1226 | if (w_path != old_path) |
1227 | free((void *)w_path); |
1228 | } |
1229 | |
7fd42181 |
1230 | void *emu_do_fopen(const char *path, const char *mode) |
1231 | { |
7000b522 |
1232 | const char *w_path; |
3d3fa63b |
1233 | FILE *ret; |
7000b522 |
1234 | |
1235 | w_path = wrap_path(path); |
3d3fa63b |
1236 | ret = fopen(w_path, mode); |
7000b522 |
1237 | wrap_path_free(w_path, path); |
1238 | |
3d3fa63b |
1239 | return ret; |
7fd42181 |
1240 | } |
1241 | |
3d3fa63b |
1242 | // FIXME: threads.. |
7fd42181 |
1243 | int emu_do_system(const char *command) |
1244 | { |
1245 | static char tmp_path[512]; |
3d3fa63b |
1246 | const char *p2; |
1247 | char *p; |
db9191ed |
1248 | int ret; |
7fd42181 |
1249 | |
1250 | if (command == NULL) |
1251 | return -1; |
1252 | |
1253 | // pass through stuff in PATH |
1254 | p = strchr(command, ' '); |
1255 | p2 = strchr(command, '/'); |
1256 | if (p2 == NULL || (p != NULL && p2 > p)) |
1257 | return system(command); |
1258 | |
1259 | make_local_path(tmp_path, sizeof(tmp_path), "ginge_prep"); |
1260 | p = tmp_path + strlen(tmp_path); |
1261 | |
3d3fa63b |
1262 | p2 = wrap_path(command); |
adb79840 |
1263 | snprintf(p, sizeof(tmp_path) - (p - tmp_path), " --nomenu %s", p2); |
7000b522 |
1264 | wrap_path_free(p2, command); |
3d3fa63b |
1265 | |
7fd42181 |
1266 | dbg("system: \"%s\"\n", tmp_path); |
db9191ed |
1267 | |
1268 | // the app might want the screen too.. |
1269 | fb_thread_pause(); |
1270 | ret = system(tmp_path); |
1271 | fb_thread_resume(); |
1272 | return ret; |
7fd42181 |
1273 | } |
1274 | |
7000b522 |
1275 | int emu_do_execve(const char *filename, char *const argv[], char *const envp[]) |
1276 | { |
1277 | const char **new_argv; |
1278 | char *prep_path; |
1279 | int i, ret, argc; |
1280 | |
1281 | if (filename == NULL) |
1282 | return -1; |
1283 | |
1284 | if (strstr(filename, "/gp2xmenu") != NULL) |
1285 | exit(0); |
1286 | |
1287 | for (i = 0; argv[i] != NULL; i++) |
1288 | ; |
1289 | argc = i + 1; |
1290 | |
1291 | new_argv = calloc(argc + 2, sizeof(new_argv[0])); |
1292 | if (new_argv == NULL) |
1293 | return -1; |
1294 | |
1295 | prep_path = malloc(512); |
1296 | if (prep_path == NULL) |
1297 | return -1; |
1298 | |
1299 | make_local_path(prep_path, 512, "ginge_prep"); |
1300 | new_argv[0] = prep_path; |
1301 | new_argv[1] = "--nomenu"; |
1302 | new_argv[2] = wrap_path(filename); |
1303 | |
1304 | if (argv[0] != NULL) |
1305 | for (i = 1; argv[i] != NULL; i++) |
1306 | new_argv[i + 2] = argv[i]; |
1307 | |
1308 | dbg("execve \"%s\" %s \"%s\"\n", new_argv[0], new_argv[1], new_argv[2]); |
1309 | ret = execve(new_argv[0], (char **)new_argv, envp); |
1310 | perror("execve"); |
1311 | return ret; |
1312 | } |
1313 | |