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Get M5 building again by moving the downmix buffer out of IRAM for now. Everything should still work. It doesn't have any apparently measurable effect on pure playback CPU usage as seen from the buffering thread screen compared to earlier tests on the same file.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30101 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2011-06-29 13:43:47 +00:00
parent 5ff641fb81
commit 8c47ed15e9
1 changed files with 2 additions and 1 deletions
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3
firmware/export/pcm_mixer.h
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@ -34,7 +34,8 @@
#define MIX_FRAME_SAMPLES 256
#endif
#if defined(CPU_COLDFIRE) || defined(CPU_PP)
/* IAUDIO_M5 is very tight on IRAM */
#if (defined(CPU_COLDFIRE) && !defined(IAUDIO_M5)) || defined(CPU_PP)
/* For Coldfire, it's just faster
For PortalPlayer, this also avoids more expensive cache coherency */
#define DOWNMIX_BUF_IBSS IBSS_ATTR