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Commit to certain names for cache coherency APIs and discard the aliases.

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Wouldn't surprise me a bit to get some non-green.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31339 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2011-12-17 07:27:24 +00:00
parent 43d7a75369
commit 6a67707b5e
51 changed files with 120 additions and 213 deletions
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8
apps/plugins/plugin_crt0.c
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@ -76,10 +76,8 @@ enum plugin_status plugin__start(const void *param)
rb->audio_stop();
rb->memcpy(iramstart, iramcopy, iram_size);
rb->memset(iedata, 0, ibss_size);
#ifdef HAVE_CPUCACHE_INVALIDATE
/* make the icache (if it exists) up to date with the new code */
rb->cpucache_invalidate();
#endif /* HAVE_CPUCACHE_INVALIDATE */
rb->commit_discard_idcache();
/* barrier to prevent reordering iram copy and BSS clearing,
* because the BSS segment alias the IRAM copy.
@ -91,12 +89,10 @@ enum plugin_status plugin__start(const void *param)
/* zero out the bss section */
rb->memset(plugin_bss_start, 0, plugin_end_addr - plugin_bss_start);
#ifdef HAVE_CPUCACHE_INVALIDATE
/* Some parts of bss may be used via a no-cache alias (at least
* portalplayer has this). If we don't clear the cache, those aliases
* may read garbage */
rb->cpucache_invalidate();
#endif /* HAVE_CPUCACHE_INVALIDATE */
rb->commit_dcache();
#endif
/* we come back here if exit() was called or the plugin returned normally */