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Gigabeat S: Reclaim about 800K of memory that was laying unused. Get rid of DEVBSS_ATTR for this target and implement as NOCACHEBSS_ATTR. Plugin and codec buffers move so all that is now incompatible (do full update). No version increase for plugins/codecs because the loader will reject them.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25895 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2010-05-08 07:45:34 +00:00
parent 7f3b3494a6
commit a420561bf8
9 changed files with 119 additions and 69 deletions
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42
firmware/target/arm/imx31/app.lds
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@ -17,7 +17,8 @@ STARTUP(target/arm/imx31/crt0.o)
#include "imx31l.h"
/* Subtract 1MB for the FRAME/TTB section */
#define DRAMSIZE (MEMORYSIZE * 0x100000 - 0x100000) - PLUGINSIZE - STUBOFFSET - CODECSIZE
#define DRAMSIZE ((MEMORYSIZE * 0x100000) - STUBOFFSET - CODECSIZE - \
PLUGINSIZE - QHARRAY_SIZE - FRAME_SIZE - TTB_SIZE)
#define DRAMORIG (0x0 + STUBOFFSET)
/* #define IRAMORIG 0x1FFFC000 */
@ -34,8 +35,7 @@ STARTUP(target/arm/imx31/crt0.o)
MEMORY
{
DRAM : ORIGIN = DRAMORIG, LENGTH = DRAMSIZE
DEVBSS : ORIGIN = CSD0_BASE_ADDR + (MEMORYSIZE * 0x100000 - 0x100000), \
LENGTH = 0x100000 - FRAME_SIZE - TTB_SIZE
QHARRAY : ORIGIN = QHARRAY_PHYS_ADDR, LENGTH = QHARRAY_SIZE
}
SECTIONS
@ -78,6 +78,17 @@ SECTIONS
_dataend = .;
} > DRAM
#if 0 /* Unneeded at the moment */
/* .ncdata section is placed at uncached physical alias address and is
* loaded at the proper cached virtual address - no copying is
* performed in the init code */
.ncdata . + NOCACHE_BASE :
{
. = ALIGN(CACHEALIGN_SIZE); /* >= Cache line boundary */
*(.ncdata*)
. = ALIGN(CACHEALIGN_SIZE); /* >= Cache line boundary */
} AT> DRAM
#endif
/DISCARD/ :
{
*(.eh_frame)
@ -109,12 +120,22 @@ SECTIONS
*(.ibss)
*(COMMON)
. = ALIGN(0x4);
_end = .;
} > DRAM
.ncbss . + NOCACHE_BASE (NOLOAD) :
{
. = ALIGN(CACHEALIGN_SIZE); /* >= Cache line boundary */
*(.ncbss*)
. = ALIGN(CACHEALIGN_SIZE); /* >= Cache line boundary */
} AT> DRAM
.endaddr . - NOCACHE_BASE (NOLOAD) :
{
_end = .;
} > DRAM
.audiobuf (NOLOAD) :
{
. = ALIGN(0x4);
_audiobuffer = .;
audiobuffer = .;
} > DRAM
@ -144,12 +165,11 @@ SECTIONS
_sdmacodeend = .;
}
.devbss (NOLOAD) :
.qharray (NOLOAD) :
{
_devbssdata = .;
*(.qharray)
*(.devbss*)
_devbssend = .;
} > DEVBSS
_qharray = .;
*(.qharray)
_qharrayend = .;
} > QHARRAY
}