Does anyone know what I have to do "differently" for the "compiler
optimization barrier" for GCC >= 3.4 in board_init_f?
I am suspecting some difference here in why my compilation with
ELDK4.1.1 of uboot v 1.3.4 is failing.
I have it working with ELDK 3.1, but it is failing ELDK 4.1.1.
It works a little better if I turn compiler optimization flags off. (but
still fails)
Thanks in advance.
The relevant code snippet follows:
Suresh Bhaskaran
void board_init_f(ulong bootflag)
{
DECLARE_GLOBAL_DATA_PTR;
int count =0;
gd_t gd_data, *id;
bd_t *bd;
init_fnc_t **init_fnc_ptr;
ulong addr, addr_sp, len = (ulong)&uboot_end -
CFG_MONITOR_BASE;
/* Pointer is writable since we allocated a register for it.
*/
gd = &gd_data;
/* compiler optimization barrier needed for GCC >= 3.4 */
__asm__ __volatile__("": : :"memory");
memset ((void *)gd, 0, sizeof (gd_t));
for (init_fnc_ptr = init_sequence; *init_fnc_ptr;
++init_fnc_ptr) {
if ((*init_fnc_ptr)() != 0) {
puts(" error at "); putc(count+'0');
printf("fnc at %p\n", *init_fnc_ptr);
hang ();
}
count++;
}
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