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Do some adjustments to alleviate IRAM congestion on some targets from r30097. Include removing pointless IRAM declarations in pcmbuf.c because that callback code runs at a fairly relaxed pace. M5 is still the biggest problem. 

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30100 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2011-06-29 09:39:13 +00:00
parent 40ff07140d
commit 5ff641fb81
4 changed files with 29 additions and 24 deletions
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2
apps/beep.c
View File

@ -94,7 +94,7 @@ static FORCE_INLINE void beep_generate(int count)
/* Callback to generate the beep frames - also don't want inlining of
call below in beep_play */
static void __attribute__((noinline)) ICODE_ATTR
static void __attribute__((noinline))
beep_get_more(unsigned char **start, size_t *size)
{
int count = beep_count;

41
apps/pcmbuf.c
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@ -76,18 +76,18 @@ struct chunkdesc
((bufsize) / PCMBUF_MINAVG_CHUNK)
/* Size of the PCM buffer. */
static size_t pcmbuf_size IDATA_ATTR = 0;
static char *pcmbuf_bufend IDATA_ATTR;
static char *pcmbuffer IDATA_ATTR;
static size_t pcmbuf_size = 0;
static char *pcmbuf_bufend;
static char *pcmbuffer;
/* Current PCM buffer write index. */
static size_t pcmbuffer_pos IDATA_ATTR;
static size_t pcmbuffer_pos;
/* Amount pcmbuffer_pos will be increased.*/
static size_t pcmbuffer_fillpos IDATA_ATTR;
static size_t pcmbuffer_fillpos;
static struct chunkdesc *first_desc;
/* Gapless playback */
static bool track_transition IDATA_ATTR;
static bool track_transition;
/* Fade effect */
static unsigned int fade_vol = MIX_AMP_UNITY;
@ -97,33 +97,33 @@ static bool soft_mode = false;
#ifdef HAVE_CROSSFADE
/* Crossfade buffer */
static char *fadebuf IDATA_ATTR;
static char *fadebuf;
/* Crossfade related state */
static bool crossfade_enabled;
static bool crossfade_enable_request;
static bool crossfade_mixmode;
static bool crossfade_auto_skip;
static bool crossfade_active IDATA_ATTR;
static bool crossfade_track_change_started IDATA_ATTR;
static bool crossfade_active;
static bool crossfade_track_change_started;
/* Track the current location for processing crossfade */
static struct chunkdesc *crossfade_chunk IDATA_ATTR;
static size_t crossfade_sample IDATA_ATTR;
static struct chunkdesc *crossfade_chunk;
static size_t crossfade_sample;
/* Counters for fading in new data */
static size_t crossfade_fade_in_total IDATA_ATTR;
static size_t crossfade_fade_in_rem IDATA_ATTR;
static size_t crossfade_fade_in_total;
static size_t crossfade_fade_in_rem;
#endif
static struct chunkdesc *read_chunk IDATA_ATTR;
static struct chunkdesc *read_end_chunk IDATA_ATTR;
static struct chunkdesc *write_chunk IDATA_ATTR;
static struct chunkdesc *write_end_chunk IDATA_ATTR;
static size_t last_chunksize IDATA_ATTR;
static struct chunkdesc *read_chunk;
static struct chunkdesc *read_end_chunk;
static struct chunkdesc *write_chunk;
static struct chunkdesc *write_end_chunk;
static size_t last_chunksize;
static size_t pcmbuf_unplayed_bytes IDATA_ATTR;
static size_t pcmbuf_watermark IDATA_ATTR;
static size_t pcmbuf_unplayed_bytes;
static size_t pcmbuf_watermark;
static bool low_latency_mode = false;
static bool flush_pcmbuf = false;
@ -635,7 +635,6 @@ bool pcmbuf_start_track_change(bool auto_skip)
* buffer is empty except for uncommitted samples. Then they are committed
* and sent to the PCM driver for playback. The third part performs the
* operations involved in sending a new chunk to the DMA. */
static void pcmbuf_pcm_callback(unsigned char** start, size_t* size) ICODE_ATTR;
static void pcmbuf_pcm_callback(unsigned char** start, size_t* size)
{
{

8
firmware/export/pcm_mixer.h
View File

@ -37,12 +37,18 @@
#if defined(CPU_COLDFIRE) || defined(CPU_PP)
/* For Coldfire, it's just faster
For PortalPlayer, this also avoids more expensive cache coherency */
#define DOWNMIX_BUF_IBSS IBSS_ATTR
#define DOWNMIX_BUF_IBSS IBSS_ATTR
#else
/* Otherwise can't DMA from IRAM, IRAM is pointless or worse */
#define DOWNMIX_BUF_IBSS
#endif
#if defined(CPU_COLDFIRE) || defined(CPU_PP)
#define MIXER_CALLBACK_ICODE ICODE_ATTR
#else
#define MIXER_CALLBACK_ICODE
#endif
/** Definitions **/

2
firmware/pcm_mixer.c
View File

@ -218,7 +218,7 @@ static void mixer_pcm_callback(unsigned char **start, size_t *size)
/* Buffering callback - calls sub-callbacks and mixes the data for next
buffer to be sent from mixer_pcm_callback() */
static void ICODE_ATTR mixer_buffer_callback(void)
static void MIXER_CALLBACK_ICODE mixer_buffer_callback(void)
{
downmix_index ^= 1; /* Next buffer */