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

1 files changed, 8 insertions, 6 deletions

diff --git a/firmware/target/coldfire/iaudio/app.lds b/firmware/target/coldfire/iaudio/app.lds
index d3ccce24f0..5cb2f6cb3f 100644
--- a/firmware/target/coldfire/iaudio/app.lds
+++ b/firmware/target/coldfire/iaudio/app.lds
@@ -94,6 +94,7 @@ SECTIONS
     } > IRAM AT> DRAM
 
     _iramcopy = LOADADDR(.iram);
+    _noloaddram = LOADADDR(.iram);
 
     .ibss (NOLOAD) :
     {
@@ -103,7 +104,7 @@ SECTIONS
         _iend = .;
     } > IRAM
 
-    .stack :
+    .stack (NOLOAD) :
     {
        *(.stack)
        stackbegin = .;
@@ -111,7 +112,7 @@ SECTIONS
        stackend = .;
     } > IRAM
 
-    .bss ADDR(.data) + SIZEOF(.data) + SIZEOF(.iram):
+    .bss _noloaddram (NOLOAD):
     {
        _edata = .;
         *(.bss*)
@@ -120,25 +121,26 @@ SECTIONS
        _end = .;
     } > DRAM
 
-    .audiobuf ALIGN(4) :
+    .audiobuf (NOLOAD) :
     {
+        . = ALIGN(4);
         _audiobuffer = .;
         audiobuffer = .;
     } > DRAM
 
-    .audiobufend ENDAUDIOADDR:
+    .audiobufend ENDAUDIOADDR (NOLOAD) :
     {
         audiobufend = .;
         _audiobufend = .;
     } > DRAM
 
-    .codec ENDAUDIOADDR:
+    .codec ENDAUDIOADDR (NOLOAD) :
     {
         codecbuf = .;
         _codecbuf = .;
     }
 
-    .plugin ENDADDR:
+    .plugin ENDADDR (NOLOAD) :
     {
         _pluginbuf = .;
         pluginbuf = .;