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common/board\_f.c

1    static int reserve_stacks(void)
2    {
3            /* make stack pointer 16-byte aligned */
4            gd->start_addr_sp -= 16;
5            gd->start_addr_sp &= ~0xf;
6    
7            /*
8             * let the architecture-specific code tailor gd->start_addr_sp and
9             * gd->irq_sp
10             */
11            return arch_reserve_stacks();
12    }

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