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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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44
firmware/target/arm/imx31/boot.lds
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@ -19,8 +19,7 @@ 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
@ -59,6 +58,18 @@ SECTIONS
. = ALIGN(0x4);
_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
.vectors 0x0 :
{
@ -79,20 +90,33 @@ SECTIONS
stackend = .;
} > IRAM
/* .bss and .ncbss are treated as a single section to use one init loop to
* zero it - note "_edata" and "_end" */
.bss (NOLOAD) :
{
_edata = .;
*(.bss*);
*(.ibss);
*(COMMON)
_end = .;
. = ALIGN(0x4);
} > DRAM
.devbss (NOLOAD) :
.ncbss . + NOCACHE_BASE (NOLOAD) :
{
_devbssdata = .;
*(.qharray)
*(.devbss*)
_devbssend = .;
} > DEVBSS
. = ALIGN(CACHEALIGN_SIZE); /* >= Cache line boundary */
*(.ncbss*)
. = ALIGN(CACHEALIGN_SIZE); /* >= Cache line boundary */
} AT> DRAM
.endaddr . - NOCACHE_BASE (NOLOAD) :
{
_end = .;
} > DRAM
.qharray (NOLOAD) :
{
_qharray = .;
*(.qharray)
_qharrayend = .;
} > QHARRAY
}