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pprof: workaround for MMSP2 timer glitch, add draw2

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@852 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2010-01-02 22:25:55 +00:00
parent b081408f66
commit 25eb407c56
3 changed files with 23 additions and 5 deletions
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19
platform/linux/pprof.h
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@ -28,11 +28,14 @@ static __attribute__((always_inline)) inline unsigned int pprof_get_one(void)
__asm__ __volatile__ ("rdtsc" : "=A" (ret));
return (unsigned int)ret;
}
#define unglitch_timer(x)
#elif defined(__GP2X__)
// XXX: MMSP2 only
// XXX: MMSP2 only, timer sometimes seems to return lower vals?
extern volatile unsigned long *gp2x_memregl;
#define pprof_get_one() (unsigned int)gp2x_memregl[0x0a00 >> 2]
#define unglitch_timer(di) \
if ((signed int)(di) < 0) di = 0
#else
#error no timer
@ -40,12 +43,22 @@ extern volatile unsigned long *gp2x_memregl;
#define pprof_start(point) { \
unsigned int pp_start_##point = pprof_get_one()
#define pprof_end(point) \
pp_counters->counter[pp_##point] += pprof_get_one() - pp_start_##point; \
{ \
unsigned int di = pprof_get_one() - pp_start_##point; \
unglitch_timer(di); \
pp_counters->counter[pp_##point] += di; \
} \
}
// subtract for recursive stuff
#define pprof_end_sub(point) \
pp_counters->counter[pp_##point] -= pprof_get_one() - pp_start_##point; \
{ \
unsigned int di = pprof_get_one() - pp_start_##point; \
unglitch_timer(di); \
pp_counters->counter[pp_##point] -= di; \
} \
}
extern void pprof_init(void);