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authorMichael Sevakis <jethead71@rockbox.org>2006-11-18 02:18:29 +0000
committerMichael Sevakis <jethead71@rockbox.org>2006-11-18 02:18:29 +0000
commitacc29d95be85c9cfd0d8f74dda813d7d1082e2ec (patch)
tree81fdd154d122b393d6254968cba5bc90b63e4741 /firmware/export
parente2a262ee258769136eadc58c2bc8e3aa53db1a71 (diff)
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SWCODEC/IRAM: Save voice IRAM when a plugin initializes its IRAM. Defines two macros for declaring and initializing IRAM. Plugins should use these instead. See mp3_encoder, doom, etc. for details. Further tweaks in buffer restoration after other use. Hiding of some interfaces that should only be used by buffer management.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11544 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/export')
-rw-r--r--firmware/export/audio.h5
-rw-r--r--firmware/export/config.h3
2 files changed, 8 insertions, 0 deletions
diff --git a/firmware/export/audio.h b/firmware/export/audio.h
index 42d94a9..573252e 100644
--- a/firmware/export/audio.h
+++ b/firmware/export/audio.h
@@ -101,7 +101,12 @@ void audio_error_clear(void);
int audio_get_file_pos(void);
void audio_beep(int duration);
void audio_init_playback(void);
+/* Required call when audio buffer is require for some other purpose */
unsigned char *audio_get_buffer(bool talk_buf, size_t *buffer_size);
+#ifdef USE_IRAM
+/* Required call when codec IRAM is needed for some other purpose */
+void audio_iram_steal(void);
+#endif
/* channel modes */
enum rec_channel_modes
diff --git a/firmware/export/config.h b/firmware/export/config.h
index 440c0fa..74c7e92 100644
--- a/firmware/export/config.h
+++ b/firmware/export/config.h
@@ -283,6 +283,9 @@
#define IDATA_ATTR __attribute__ ((section(".idata")))
#define IBSS_ATTR __attribute__ ((section(".ibss")))
#define USE_IRAM
+#if CONFIG_CPU != SH7034
+#define IRAM_STEAL
+#endif
#else
#define ICODE_ATTR
#define ICONST_ATTR