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Sansa AMS: PCM driver (FS#9592)

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Note that on low memory targets (Clip/m200v4 tested) you will encounter
random crashes. Applying FS#9332 seems to help a lot.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19342 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Rafaël Carré 2008-12-04 22:27:48 +00:00
parent 8ea82ff4a8
commit 6aa807d321
5 changed files with 146 additions and 31 deletions
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14
apps/plugins/plugin.lds
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@ -37,6 +37,8 @@ OUTPUT_FORMAT(elf32-sh)
#include "imx31l.h"
/* Reserve 1mb for LCD buffer/TTB as in app.lds */
#define DRAMSIZE (MEMORYSIZE * 0x100000 - 0x100000) - PLUGIN_BUFFER_SIZE - STUBOFFSET - CODEC_SIZE
#elif CONFIG_CPU==AS3525 && MEMORYSIZE <= 2
#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE - STUBOFFSET
#else
#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE - STUBOFFSET - CODEC_SIZE
#endif
@ -87,17 +89,29 @@ OUTPUT_FORMAT(elf32-sh)
#define IRAM DRAM
#define IRAMSIZE 0
#elif CONFIG_CPU==AS3525
#if MEMORYSIZE <= 2
#define IRAMSIZE 0 /* simulates no IRAM since codec is already entirely in IRAM */
#define CODEC_ORIGIN (0x50000 - CODEC_SIZE)
#define PLUGIN_ORIGIN (DRAMORIG + DRAMSIZE)
#else
#define IRAMORIG 0x0
#define IRAMSIZE 0x50000
#endif
#define DRAMORIG 0x30000000
#else
#define DRAMORIG 0x09000000 + STUBOFFSET
#endif
#define PLUGIN_LENGTH PLUGIN_BUFFER_SIZE
#ifndef CODEC_ORIGIN /* targets can specify another origin */
#define CODEC_ORIGIN (DRAMORIG + (DRAMSIZE))
#endif
#ifndef PLUGIN_ORIGIN /* targets can specify another origin */
#define PLUGIN_ORIGIN (CODEC_ORIGIN + CODEC_SIZE)
#endif
#ifdef CODEC
#define THIS_LENGTH CODEC_SIZE