59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/*
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* Copyright (c) 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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#ifndef __SPM_PRIVATE_H__
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#define __SPM_PRIVATE_H__
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#include <context.h>
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/*******************************************************************************
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* Constants that allow assembler code to preserve callee-saved registers of the
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* C runtime context while performing a security state switch.
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******************************************************************************/
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#define SP_C_RT_CTX_X19 0x0
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#define SP_C_RT_CTX_X20 0x8
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#define SP_C_RT_CTX_X21 0x10
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#define SP_C_RT_CTX_X22 0x18
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#define SP_C_RT_CTX_X23 0x20
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#define SP_C_RT_CTX_X24 0x28
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#define SP_C_RT_CTX_X25 0x30
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#define SP_C_RT_CTX_X26 0x38
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#define SP_C_RT_CTX_X27 0x40
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#define SP_C_RT_CTX_X28 0x48
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#define SP_C_RT_CTX_X29 0x50
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#define SP_C_RT_CTX_X30 0x58
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#define SP_C_RT_CTX_SIZE 0x60
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#define SP_C_RT_CTX_ENTRIES (SP_C_RT_CTX_SIZE >> DWORD_SHIFT)
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#ifndef __ASSEMBLY__
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#include <spinlock.h>
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#include <stdint.h>
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#include <xlat_tables_v2.h>
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/* Handle on the Secure partition translation context */
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extern xlat_ctx_t *secure_partition_xlat_ctx_handle;
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struct entry_point_info;
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typedef struct secure_partition_context {
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uint64_t c_rt_ctx;
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cpu_context_t cpu_ctx;
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unsigned int sp_init_in_progress;
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spinlock_t lock;
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} secure_partition_context_t;
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uint64_t spm_secure_partition_enter(uint64_t *c_rt_ctx);
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void __dead2 spm_secure_partition_exit(uint64_t c_rt_ctx, uint64_t ret);
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void spm_init_sp_ep_state(struct entry_point_info *sp_ep_info,
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uint64_t pc,
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secure_partition_context_t *sp_ctx_ptr);
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#endif /* __ASSEMBLY__ */
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#endif /* __SPM_PRIVATE_H__ */
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