| /* |
| * Copyright (c) 2017-2022, ARM Limited and Contributors. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #ifndef SPM_COMMON_H |
| #define SPM_COMMON_H |
| |
| #include <context.h> |
| |
| /******************************************************************************* |
| * 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 __ASSEMBLER__ |
| |
| #include <stdint.h> |
| |
| /* Assembly helpers */ |
| 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); |
| |
| #endif /* __ASSEMBLER__ */ |
| |
| #endif /* SPM_COMMON_H */ |