/* * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #ifndef __SPM_PRIVATE_H__ #define __SPM_PRIVATE_H__ #include /******************************************************************************* * Constants that allow assembler code to preserve callee-saved registers of the * C runtime context while performing a security state switch. ******************************************************************************/ #define SP_C_RT_CTX_X19 0x0 #define SP_C_RT_CTX_X20 0x8 #define SP_C_RT_CTX_X21 0x10 #define SP_C_RT_CTX_X22 0x18 #define SP_C_RT_CTX_X23 0x20 #define SP_C_RT_CTX_X24 0x28 #define SP_C_RT_CTX_X25 0x30 #define SP_C_RT_CTX_X26 0x38 #define SP_C_RT_CTX_X27 0x40 #define SP_C_RT_CTX_X28 0x48 #define SP_C_RT_CTX_X29 0x50 #define SP_C_RT_CTX_X30 0x58 #define SP_C_RT_CTX_SIZE 0x60 #define SP_C_RT_CTX_ENTRIES (SP_C_RT_CTX_SIZE >> DWORD_SHIFT) #ifndef __ASSEMBLY__ #include #include #include /* Handle on the Secure partition translation context */ extern xlat_ctx_t *secure_partition_xlat_ctx_handle; struct entry_point_info; typedef struct secure_partition_context { uint64_t c_rt_ctx; cpu_context_t cpu_ctx; unsigned int sp_init_in_progress; spinlock_t lock; } secure_partition_context_t; uint64_t spm_secure_partition_enter(uint64_t *c_rt_ctx); void __dead2 spm_secure_partition_exit(uint64_t c_rt_ctx, uint64_t ret); void spm_init_sp_ep_state(struct entry_point_info *sp_ep_info, uint64_t pc, secure_partition_context_t *sp_ctx_ptr); #endif /* __ASSEMBLY__ */ #endif /* __SPM_PRIVATE_H__ */