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Align global_data to a 16-byte boundary

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Some archs like to have larger alignment for their global data. Use 16 bytes
which suits all current archs.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2015-08-10 20:44:29 -06:00
parent 93afae5d05
commit 2afddae075
2 changed files with 3 additions and 1 deletions
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1
common/board_f.c
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@ -499,6 +499,7 @@ static int setup_machine(void)
static int reserve_global_data(void)
{
gd->start_addr_sp -= sizeof(gd_t);
gd->start_addr_sp &= ~0xf;
gd->new_gd = (gd_t *)map_sysmem(gd->start_addr_sp, sizeof(gd_t));
debug("Reserving %zu Bytes for Global Data at: %08lx\n",
sizeof(gd_t), gd->start_addr_sp);

3
include/asm-generic/global_data.h
View file

@ -99,7 +99,8 @@ typedef struct global_data {
int pcidelay_done;
#endif
struct udevice *cur_serial_dev; /* current serial device */
struct arch_global_data arch; /* architecture-specific data */
/* arch-specific data */
struct arch_global_data arch __attribute__((aligned(16)));
} gd_t;
#endif