From 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:13:47 +0200 Subject: Adding upstream version 2.8.0+dfsg. Signed-off-by: Daniel Baumann --- plat/common/aarch32/platform_mp_stack.S | 47 +++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 plat/common/aarch32/platform_mp_stack.S (limited to 'plat/common/aarch32/platform_mp_stack.S') diff --git a/plat/common/aarch32/platform_mp_stack.S b/plat/common/aarch32/platform_mp_stack.S new file mode 100644 index 0000000..6c3d08d --- /dev/null +++ b/plat/common/aarch32/platform_mp_stack.S @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include +#include +#include + + .weak plat_get_my_stack + .weak plat_set_my_stack + + /* ----------------------------------------------------- + * uintptr_t plat_get_my_stack (u_register_t mpidr) + * + * For a given CPU, this function returns the stack + * pointer for a stack allocated in device memory. + * ----------------------------------------------------- + */ +func plat_get_my_stack + push {r4, lr} + get_my_mp_stack platform_normal_stacks, PLATFORM_STACK_SIZE + pop {r4, pc} +endfunc plat_get_my_stack + + /* ----------------------------------------------------- + * void plat_set_my_stack () + * + * For the current CPU, this function sets the stack + * pointer to a stack allocated in normal memory. + * ----------------------------------------------------- + */ +func plat_set_my_stack + mov r4, lr + get_my_mp_stack platform_normal_stacks, PLATFORM_STACK_SIZE + mov sp, r0 + bx r4 +endfunc plat_set_my_stack + + /* ----------------------------------------------------- + * Per-cpu stacks in normal memory. Each cpu gets a + * stack of PLATFORM_STACK_SIZE bytes. + * ----------------------------------------------------- + */ +declare_stack platform_normal_stacks, tzfw_normal_stacks, \ + PLATFORM_STACK_SIZE, PLATFORM_CORE_COUNT -- cgit v1.2.3