11a0a3f06SYatharth Kochar/* 2*75311203Sdp-arm * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved. 31a0a3f06SYatharth Kochar * 41a0a3f06SYatharth Kochar * Redistribution and use in source and binary forms, with or without 51a0a3f06SYatharth Kochar * modification, are permitted provided that the following conditions are met: 61a0a3f06SYatharth Kochar * 71a0a3f06SYatharth Kochar * Redistributions of source code must retain the above copyright notice, this 81a0a3f06SYatharth Kochar * list of conditions and the following disclaimer. 91a0a3f06SYatharth Kochar * 101a0a3f06SYatharth Kochar * Redistributions in binary form must reproduce the above copyright notice, 111a0a3f06SYatharth Kochar * this list of conditions and the following disclaimer in the documentation 121a0a3f06SYatharth Kochar * and/or other materials provided with the distribution. 131a0a3f06SYatharth Kochar * 141a0a3f06SYatharth Kochar * Neither the name of ARM nor the names of its contributors may be used 151a0a3f06SYatharth Kochar * to endorse or promote products derived from this software without specific 161a0a3f06SYatharth Kochar * prior written permission. 171a0a3f06SYatharth Kochar * 181a0a3f06SYatharth Kochar * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 191a0a3f06SYatharth Kochar * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 201a0a3f06SYatharth Kochar * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 211a0a3f06SYatharth Kochar * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 221a0a3f06SYatharth Kochar * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 231a0a3f06SYatharth Kochar * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 241a0a3f06SYatharth Kochar * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 251a0a3f06SYatharth Kochar * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 261a0a3f06SYatharth Kochar * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 271a0a3f06SYatharth Kochar * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 281a0a3f06SYatharth Kochar * POSSIBILITY OF SUCH DAMAGE. 291a0a3f06SYatharth Kochar */ 301a0a3f06SYatharth Kochar 311a0a3f06SYatharth Kochar#include <arch.h> 321a0a3f06SYatharth Kochar#include <asm_macros.S> 331a0a3f06SYatharth Kochar#include <platform_def.h> 341a0a3f06SYatharth Kochar 35*75311203Sdp-arm .weak plat_get_my_stack 36*75311203Sdp-arm .weak plat_set_my_stack 371a0a3f06SYatharth Kochar 381a0a3f06SYatharth Kochar /* ----------------------------------------------------- 391a0a3f06SYatharth Kochar * unsigned long plat_get_my_stack () 401a0a3f06SYatharth Kochar * 411a0a3f06SYatharth Kochar * For cold-boot BL images, only the primary CPU needs 421a0a3f06SYatharth Kochar * a stack. This function returns the stack pointer for 431a0a3f06SYatharth Kochar * a stack allocated in normal memory. 441a0a3f06SYatharth Kochar * ----------------------------------------------------- 451a0a3f06SYatharth Kochar */ 461a0a3f06SYatharth Kocharfunc plat_get_my_stack 471a0a3f06SYatharth Kochar get_up_stack platform_normal_stacks, PLATFORM_STACK_SIZE 481a0a3f06SYatharth Kochar bx lr 491a0a3f06SYatharth Kocharendfunc plat_get_my_stack 501a0a3f06SYatharth Kochar 511a0a3f06SYatharth Kochar /* ----------------------------------------------------- 521a0a3f06SYatharth Kochar * void plat_set_my_stack () 531a0a3f06SYatharth Kochar * 541a0a3f06SYatharth Kochar * For cold-boot BL images, only the primary CPU needs 551a0a3f06SYatharth Kochar * a stack. This function sets the stack pointer to a 561a0a3f06SYatharth Kochar * stack allocated in normal memory. 571a0a3f06SYatharth Kochar * ----------------------------------------------------- 581a0a3f06SYatharth Kochar */ 591a0a3f06SYatharth Kocharfunc plat_set_my_stack 601a0a3f06SYatharth Kochar get_up_stack platform_normal_stacks, PLATFORM_STACK_SIZE 611a0a3f06SYatharth Kochar mov sp, r0 621a0a3f06SYatharth Kochar bx lr 631a0a3f06SYatharth Kocharendfunc plat_set_my_stack 641a0a3f06SYatharth Kochar 651a0a3f06SYatharth Kochar /* ----------------------------------------------------- 661a0a3f06SYatharth Kochar * Per-cpu stacks in normal memory. Each cpu gets a 671a0a3f06SYatharth Kochar * stack of PLATFORM_STACK_SIZE bytes. 681a0a3f06SYatharth Kochar * ----------------------------------------------------- 691a0a3f06SYatharth Kochar */ 701a0a3f06SYatharth Kochardeclare_stack platform_normal_stacks, tzfw_normal_stacks, \ 711a0a3f06SYatharth Kochar PLATFORM_STACK_SIZE, 1, CACHE_WRITEBACK_GRANULE 72