diff options
Diffstat (limited to 'lib_nios/board.c')
| -rw-r--r-- | lib_nios/board.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib_nios/board.c b/lib_nios/board.c index 30044f7ad..e6cda521e 100644 --- a/lib_nios/board.c +++ b/lib_nios/board.c @@ -117,6 +117,9 @@ void board_init (void) * Nios treats CFG_GBL_DATA_OFFSET as an address. */ gd = (gd_t *)CFG_GBL_DATA_OFFSET; + /* compiler optimization barrier needed for GCC >= 3.4 */ + __asm__ __volatile__("": : :"memory"); + memset( gd, 0, CFG_GBL_DATA_SIZE ); gd->bd = (bd_t *)(gd+1); /* At end of global data */ |