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ba33528a00
Datastore symbol used by EL3 SPMC is not relocated at boot time when using ENABLE_PIE=1. Use linker script markers instead of symbol. Signed-off-by: Shruti Gupta <shruti.gupta@arm.com> Change-Id: If22d2fc8deacc74c73d7dc51bb70093935d9fa2b
38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
/*
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* Copyright (c) 2022, 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 <services/el3_spmc_ffa_memory.h>
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#include <platform_def.h>
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IMPORT_SYM(uintptr_t, __PLAT_SPMC_SHMEM_DATASTORE_START__, DATASTORE_BASE);
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__section(".arm_el3_tzc_dram") __unused static uint8_t
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plat_spmc_shmem_datastore[PLAT_SPMC_SHMEM_DATASTORE_SIZE];
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int plat_spmc_shmem_datastore_get(uint8_t **datastore, size_t *size)
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{
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*datastore = (uint8_t *)DATASTORE_BASE;
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*size = PLAT_SPMC_SHMEM_DATASTORE_SIZE;
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return 0;
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}
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/*
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* Add dummy implementations of memory management related platform hooks.
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* These can be used to implement platform specific functionality to support
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* a memory sharing/lending operation.
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*
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* Note: The hooks must be located as part of the initial share request and
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* final reclaim to prevent order dependencies with operations that may take
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* place in the normal world without visibility of the SPMC.
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*/
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int plat_spmc_shmem_begin(struct ffa_mtd *desc)
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{
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return 0;
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}
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int plat_spmc_shmem_reclaim(struct ffa_mtd *desc)
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{
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return 0;
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}
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