Fix linker scripts: add NOLOAD atribute to .bss/.sbss sections

With recent toolchain versions, some boards would not build because
or errors like this one (here for ocotea board when building with
ELDK 4.2 beta):
ppc_4xx-ld: section .bootpg [fffff000 -> fffff23b] overlaps section .bss [fffee900 -> fffff8ab]

For many boards, the .bss section is big enough that it wraps around
at the end of the address space (0xFFFFFFFF), so the problem will not
be visible unless you use a 64 bit tool chain for development. On
some boards however, changes to the code size (due to different
optimizations) we bail out with section overlaps like above.

The fix is to add the NOLOAD attribute to the .bss and .sbss
sections, telling the linker that .bss does not consume any space in
the image.

Signed-off-by: Wolfgang Denk <wd@denx.de>

5 files changed, 8 insertions, 8 deletions

diff --git a/board/altera/dk1c20/u-boot.lds b/board/altera/dk1c20/u-boot.lds
index 8b01f45e551..be7795274d3 100644
--- a/board/altera/dk1c20/u-boot.lds
+++ b/board/altera/dk1c20/u-boot.lds
@@ -61,7 +61,7 @@ SECTIONS
 
 	__bss_start = .;
 	. = ALIGN(4);
-	.bss :
+	.bss (NOLOAD) :
 	{
 		*(.bss)
 	}
diff --git a/board/altera/dk1s10/u-boot.lds b/board/altera/dk1s10/u-boot.lds
index 8b01f45e551..be7795274d3 100644
--- a/board/altera/dk1s10/u-boot.lds
+++ b/board/altera/dk1s10/u-boot.lds
@@ -61,7 +61,7 @@ SECTIONS
 
 	__bss_start = .;
 	. = ALIGN(4);
-	.bss :
+	.bss (NOLOAD) :
 	{
 		*(.bss)
 	}
diff --git a/board/altera/ep1c20/u-boot.lds b/board/altera/ep1c20/u-boot.lds
index b99b82c826c..73dfe9d76d9 100644
--- a/board/altera/ep1c20/u-boot.lds
+++ b/board/altera/ep1c20/u-boot.lds
@@ -87,7 +87,7 @@ SECTIONS
 	 * bss follows. We keep it adjacent to simplify init code.
 	 */
 	__bss_start = .;
-	.sbss :
+	.sbss (NOLOAD) :
 	{
 	  *(.sbss)
 	  *(.sbss.*)
@@ -95,7 +95,7 @@ SECTIONS
 	  *(.scommon)
 	}
 	. = ALIGN(4);
-	.bss :
+	.bss (NOLOAD) :
 	{
 	  *(.bss)
 	  *(.bss.*)
diff --git a/board/altera/ep1s10/u-boot.lds b/board/altera/ep1s10/u-boot.lds
index b99b82c826c..73dfe9d76d9 100644
--- a/board/altera/ep1s10/u-boot.lds
+++ b/board/altera/ep1s10/u-boot.lds
@@ -87,7 +87,7 @@ SECTIONS
 	 * bss follows. We keep it adjacent to simplify init code.
 	 */
 	__bss_start = .;
-	.sbss :
+	.sbss (NOLOAD) :
 	{
 	  *(.sbss)
 	  *(.sbss.*)
@@ -95,7 +95,7 @@ SECTIONS
 	  *(.scommon)
 	}
 	. = ALIGN(4);
-	.bss :
+	.bss (NOLOAD) :
 	{
 	  *(.bss)
 	  *(.bss.*)
diff --git a/board/altera/ep1s40/u-boot.lds b/board/altera/ep1s40/u-boot.lds
index b99b82c826c..73dfe9d76d9 100644
--- a/board/altera/ep1s40/u-boot.lds
+++ b/board/altera/ep1s40/u-boot.lds
@@ -87,7 +87,7 @@ SECTIONS
 	 * bss follows. We keep it adjacent to simplify init code.
 	 */
 	__bss_start = .;
-	.sbss :
+	.sbss (NOLOAD) :
 	{
 	  *(.sbss)
 	  *(.sbss.*)
@@ -95,7 +95,7 @@ SECTIONS
 	  *(.scommon)
 	}
 	. = ALIGN(4);
-	.bss :
+	.bss (NOLOAD) :
 	{
 	  *(.bss)
 	  *(.bss.*)