48 lines
1.4 KiB
ArmAsm
48 lines
1.4 KiB
ArmAsm
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/*
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* Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <arch.h>
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#include <asm_macros.S>
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#include <platform_def.h>
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.weak plat_get_my_stack
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.weak plat_set_my_stack
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/* -----------------------------------------------------
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* unsigned long plat_get_my_stack ()
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*
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* For cold-boot BL images, only the primary CPU needs
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* a stack. This function returns the stack pointer for
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* a stack allocated in normal memory.
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* -----------------------------------------------------
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*/
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func plat_get_my_stack
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get_up_stack platform_normal_stacks, PLATFORM_STACK_SIZE
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bx lr
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endfunc plat_get_my_stack
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/* -----------------------------------------------------
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* void plat_set_my_stack ()
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*
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* For cold-boot BL images, only the primary CPU needs
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* a stack. This function sets the stack pointer to a
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* stack allocated in normal memory.
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* -----------------------------------------------------
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*/
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func plat_set_my_stack
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get_up_stack platform_normal_stacks, PLATFORM_STACK_SIZE
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mov sp, r0
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bx lr
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endfunc plat_set_my_stack
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/* -----------------------------------------------------
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* Per-cpu stacks in normal memory. Each cpu gets a
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* stack of PLATFORM_STACK_SIZE bytes.
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* -----------------------------------------------------
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*/
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declare_stack platform_normal_stacks, tzfw_normal_stacks, \
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PLATFORM_STACK_SIZE, 1, CACHE_WRITEBACK_GRANULE
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