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| author | notaz | 2011-08-01 23:22:04 +0300 |
|---|---|---|
| committer | notaz | 2011-08-01 23:32:21 +0300 |
| commit | 19e57cbf170d1ce49f00097f3cc3a4ed96d77374 (patch) | |
| tree | fcb7ab0c55a9c1d70e77ad42c495cc71c09ad6ee /frontend | |
| parent | f968d35dc0302f3fb7fba5a1bafb5feed1f758f6 (diff) | |
| download | pcsx_rearmed-19e57cbf170d1ce49f00097f3cc3a4ed96d77374.tar.gz pcsx_rearmed-19e57cbf170d1ce49f00097f3cc3a4ed96d77374.tar.bz2 pcsx_rearmed-19e57cbf170d1ce49f00097f3cc3a4ed96d77374.zip | |
frontnd: pcnt: enable counters to avoid using ext tools
Diffstat (limited to 'frontend')
| -rw-r--r-- | frontend/pcnt.h | 13 | ||||
| -rw-r--r-- | frontend/plugin.c | 3 |
2 files changed, 14 insertions, 2 deletions
diff --git a/frontend/pcnt.h b/frontend/pcnt.h index 232ae07..3969aa4 100644 --- a/frontend/pcnt.h +++ b/frontend/pcnt.h @@ -83,6 +83,19 @@ static inline unsigned int pcnt_get(void) return val; } +static inline void pcnt_init(void) +{ +#ifdef __ARM_ARCH_7A__ + int v; + asm volatile("mrc p15, 0, %0, c9, c12, 0" : "=r"(v)); + v |= 5; // master enable, ccnt reset + v &= ~8; // ccnt divider 0 + asm volatile("mcr p15, 0, %0, c9, c12, 0" :: "r"(v)); + // enable cycle counter + asm volatile("mcr p15, 0, %0, c9, c12, 1" :: "r"(1<<31)); +#endif +} + #else #define pcnt_start(id) diff --git a/frontend/plugin.c b/frontend/plugin.c index cbb5558..7b0d301 100644 --- a/frontend/plugin.c +++ b/frontend/plugin.c @@ -271,8 +271,7 @@ pc_hook_func (SPU_playCDDAchannel, (short *a0, int a1), (a0, a1), P void pcnt_hook_plugins(void) { - /* test it first */ - pcnt_get(); + pcnt_init(); hook_it(GPU_writeStatus); hook_it(GPU_writeData); |