| 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_s68k, |
| 11 | pp_mem68, |
| 12 | pp_z80, |
| 13 | pp_msh2, |
| 14 | pp_ssh2, |
| 15 | pp_memsh, |
| 16 | pp_dummy, |
| 17 | pp_total_points |
| 18 | }; |
| 19 | |
| 20 | extern struct pp_counters *pp_counters; |
| 21 | extern int *refcounts; |
| 22 | |
| 23 | #ifdef __i386__ |
| 24 | typedef unsigned long long pp_type; |
| 25 | |
| 26 | static __attribute__((always_inline)) inline unsigned int pprof_get_one(void) |
| 27 | { |
| 28 | unsigned long long ret; |
| 29 | __asm__ __volatile__ ("rdtsc" : "=A" (ret)); |
| 30 | return (unsigned int)ret; |
| 31 | } |
| 32 | #define unglitch_timer(x) |
| 33 | |
| 34 | #elif defined(__GP2X__) |
| 35 | typedef unsigned long pp_type; |
| 36 | |
| 37 | #if 0 |
| 38 | // XXX: MMSP2 only, timer sometimes seems to return lower vals? |
| 39 | extern volatile unsigned long *gp2x_memregl; |
| 40 | #define pprof_get_one() (unsigned int)gp2x_memregl[0x0a00 >> 2] |
| 41 | #define unglitch_timer(di) \ |
| 42 | if ((signed int)(di) < 0) di = 0 |
| 43 | #else |
| 44 | extern unsigned int (*gp2x_get_ticks_us)(void); |
| 45 | #define pprof_get_one() gp2x_get_ticks_us() |
| 46 | #define unglitch_timer(di) \ |
| 47 | if ((signed int)(di) < 0) di = 0 |
| 48 | #endif |
| 49 | |
| 50 | #else |
| 51 | #error no timer |
| 52 | #endif |
| 53 | |
| 54 | struct pp_counters |
| 55 | { |
| 56 | pp_type counter[pp_total_points]; |
| 57 | }; |
| 58 | |
| 59 | #define pprof_start(point) { \ |
| 60 | unsigned int pp_start_##point = pprof_get_one(); refcounts[pp_##point]++ |
| 61 | |
| 62 | #define pprof_end(point) \ |
| 63 | { \ |
| 64 | unsigned int di = pprof_get_one() - pp_start_##point; \ |
| 65 | unglitch_timer(di); \ |
| 66 | if (!--refcounts[pp_##point]) pp_counters->counter[pp_##point] += di; \ |
| 67 | } \ |
| 68 | } |
| 69 | |
| 70 | // subtract for recursive stuff |
| 71 | #define pprof_end_sub(point) \ |
| 72 | { \ |
| 73 | unsigned int di = pprof_get_one() - pp_start_##point; \ |
| 74 | unglitch_timer(di); \ |
| 75 | if (--refcounts[pp_##point]) pp_counters->counter[pp_##point] -= di; \ |
| 76 | } \ |
| 77 | } |
| 78 | |
| 79 | extern void pprof_init(void); |
| 80 | extern void pprof_finish(void); |
| 81 | |
| 82 | #endif // __PPROF_H__ |