| 1 | #ifndef __PPROF_H__ |
| 2 | #define __PPROF_H__ |
| 3 | |
| 4 | enum pprof_points { |
| 5 | pp_main, |
| 6 | pp_frame, |
| 7 | pp_draw, |
| 8 | pp_sound, |
| 9 | pp_m68k, |
| 10 | pp_z80, |
| 11 | pp_msh2, |
| 12 | pp_ssh2, |
| 13 | pp_dummy, |
| 14 | pp_total_points |
| 15 | }; |
| 16 | |
| 17 | struct pp_counters |
| 18 | { |
| 19 | unsigned long long counter[pp_total_points]; |
| 20 | }; |
| 21 | |
| 22 | extern struct pp_counters *pp_counters; |
| 23 | |
| 24 | #ifdef __i386__ |
| 25 | static __attribute__((always_inline)) inline unsigned int pprof_get_one(void) |
| 26 | { |
| 27 | unsigned long long ret; |
| 28 | __asm__ __volatile__ ("rdtsc" : "=A" (ret)); |
| 29 | return (unsigned int)ret; |
| 30 | } |
| 31 | #define unglitch_timer(x) |
| 32 | |
| 33 | #elif defined(__GP2X__) |
| 34 | // XXX: MMSP2 only, timer sometimes seems to return lower vals? |
| 35 | extern volatile unsigned long *gp2x_memregl; |
| 36 | #define pprof_get_one() (unsigned int)gp2x_memregl[0x0a00 >> 2] |
| 37 | #define unglitch_timer(di) \ |
| 38 | if ((signed int)(di) < 0) di = 0 |
| 39 | |
| 40 | #else |
| 41 | #error no timer |
| 42 | #endif |
| 43 | |
| 44 | #define pprof_start(point) { \ |
| 45 | unsigned int pp_start_##point = pprof_get_one() |
| 46 | |
| 47 | #define pprof_end(point) \ |
| 48 | { \ |
| 49 | unsigned int di = pprof_get_one() - pp_start_##point; \ |
| 50 | unglitch_timer(di); \ |
| 51 | pp_counters->counter[pp_##point] += di; \ |
| 52 | } \ |
| 53 | } |
| 54 | |
| 55 | // subtract for recursive stuff |
| 56 | #define pprof_end_sub(point) \ |
| 57 | { \ |
| 58 | unsigned int di = pprof_get_one() - pp_start_##point; \ |
| 59 | unglitch_timer(di); \ |
| 60 | pp_counters->counter[pp_##point] -= di; \ |
| 61 | } \ |
| 62 | } |
| 63 | |
| 64 | extern void pprof_init(void); |
| 65 | extern void pprof_finish(void); |
| 66 | |
| 67 | #endif // __PPROF_H__ |