xref: /OK3568_Linux_fs/u-boot/arch/mips/lib/stack.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
3*4882a593Smuzhiyun  */
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #include <common.h>
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
8*4882a593Smuzhiyun 
arch_reserve_stacks(void)9*4882a593Smuzhiyun int arch_reserve_stacks(void)
10*4882a593Smuzhiyun {
11*4882a593Smuzhiyun 	/* reserve space for exception vector table */
12*4882a593Smuzhiyun 	gd->start_addr_sp -= 0x500;
13*4882a593Smuzhiyun 	gd->start_addr_sp &= ~0xFFF;
14*4882a593Smuzhiyun 	gd->irq_sp = gd->start_addr_sp;
15*4882a593Smuzhiyun 	debug("Reserving %d Bytes for exception vector at: %08lx\n",
16*4882a593Smuzhiyun 	      0x500, gd->start_addr_sp);
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun 	return 0;
19*4882a593Smuzhiyun }
20