36 lines
723 B
C
36 lines
723 B
C
/*
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* Copyright (c) 2020 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <kernel.h>
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#include <kernel_structs.h>
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#include <kernel_internal.h>
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#include <kernel_tls.h>
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#include <app_memory/app_memdomain.h>
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#include <sys/util.h>
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size_t arch_tls_stack_setup(struct k_thread *new_thread, char *stack_ptr)
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{
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/*
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* TLS area for RISC-V is simple without any extra
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* data.
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*/
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/*
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* Since we are populating things backwards,
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* setup the TLS data/bss area first.
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*/
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stack_ptr -= z_tls_data_size();
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z_tls_copy(stack_ptr);
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/*
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* Set thread TLS pointer which is used in
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* context switch to point to TLS area.
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*/
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new_thread->tls = POINTER_TO_UINT(stack_ptr);
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return z_tls_data_size();
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}
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