Changeset 249eaf9 in rtems

Timestamp:

05/14/14 08:28:09 (10 years ago)

Author:

Sebastian Huber <sebastian.huber@…>

Branches:

4.11, 5, master

Children:

0e8d55b0

Parents:

b2d191e

git-author:

Sebastian Huber <sebastian.huber@…> (05/14/14 08:28:09)

git-committer:

Sebastian Huber <sebastian.huber@…> (05/14/14 12:46:20)

Message:

bsps/sparc: Fix BSS initialization

Use bss_start available via %g2 to clear the BSS section. The usage
of _edata resulted in a copy of [_edata, bss_start) from ROM to RAM
and then a clear to zero of this area.

Clear now only [bss_start, _end).

File:

• c/src/lib/libbsp/sparc/shared/start/start.S (modified) (1 diff)

c/src/lib/libbsp/sparc/shared/start/start.S

@@ -345 +345 @@
 1:
 
-        sethi %hi(_edata),%g2
-        or    %g2,%lo(_edata),%g2       ! g2 = start of bss
         sethi %hi(_end),%g3
         or    %g3,%lo(_end),%g3         ! g3 = end of bss