Reclaim .iram areas in DRAM by overlapping their load addresses with the uninitialized data sections. I did what I could test out-- not any flash image linker scripts or other target processors. Move any .iram copies in crt0.S's to be the first operation even if not _strictly_ necessary to be emphatic (aka. 'beware').

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20061 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2009-02-20 02:33:40 +00:00
parent 07ae1e4fb9
commit ec67912b63
11 changed files with 76 additions and 65 deletions

View file

@ -103,6 +103,7 @@ SECTIONS
} AT> DRAM
_vectorscopy = LOADADDR(.vectors);
_noloaddram = LOADADDR(.vectors);
.ibss IRAMORIG (NOLOAD) :
{
@ -148,8 +149,7 @@ SECTIONS
/* .bss and .ncbss are treated as a single section to use one init loop to
* zero it - note "_edata" and "_end" */
.bss ADDR(.data) + SIZEOF(.data) + SIZEOF(.ncdata) +\
SIZEOF(.iram) + SIZEOF(.vectors) (NOLOAD) :
.bss _noloaddram (NOLOAD) :
{
_edata = .;
*(.bss*)