| /* |
| * Copyright (c) 2014-2019, ARM Limited and Contributors. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #include <arch.h> |
| #include <asm_macros.S> |
| #include <platform_def.h> |
| |
| |
| .local platform_normal_stacks |
| .weak plat_set_my_stack |
| .weak plat_get_my_stack |
| |
| /* ----------------------------------------------------- |
| * uintptr_t plat_get_my_stack () |
| * |
| * For cold-boot BL images, only the primary CPU needs a |
| * stack. This function returns the stack pointer for a |
| * stack allocated in device memory. |
| * ----------------------------------------------------- |
| */ |
| func plat_get_my_stack |
| get_up_stack platform_normal_stacks, PLATFORM_STACK_SIZE |
| ret |
| endfunc plat_get_my_stack |
| |
| /* ----------------------------------------------------- |
| * void plat_set_my_stack () |
| * |
| * For cold-boot BL images, only the primary CPU needs a |
| * stack. This function sets the stack pointer to a stack |
| * allocated in normal memory. |
| * ----------------------------------------------------- |
| */ |
| func plat_set_my_stack |
| get_up_stack platform_normal_stacks, PLATFORM_STACK_SIZE |
| mov sp, x0 |
| ret |
| endfunc plat_set_my_stack |
| |
| /* ----------------------------------------------------- |
| * Single cpu stack in normal memory. |
| * Used for C code during boot, PLATFORM_STACK_SIZE bytes |
| * are allocated |
| * ----------------------------------------------------- |
| */ |
| declare_stack platform_normal_stacks, tzfw_normal_stacks, \ |
| PLATFORM_STACK_SIZE, 1, CACHE_WRITEBACK_GRANULE |