Doug Horn | 1427b6a | 2018-12-11 13:19:16 -0800 | [diff] [blame] | 1 | // Copyright 2018 The Fuchsia Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
Adam Barth | 57eacf5 | 2020-11-04 00:38:09 +0000 | [diff] [blame] | 5 | #ifndef SYSROOT_ZIRCON_SYSCALLS_SMC_H_ |
| 6 | #define SYSROOT_ZIRCON_SYSCALLS_SMC_H_ |
Doug Horn | 1427b6a | 2018-12-11 13:19:16 -0800 | [diff] [blame] | 7 | |
| 8 | #include <zircon/types.h> |
| 9 | |
| 10 | __BEGIN_CDECLS |
| 11 | |
Adam Barth | 57eacf5 | 2020-11-04 00:38:09 +0000 | [diff] [blame] | 12 | // Silicon Partner. |
| 13 | #define ARM_SMC_SERVICE_CALL_NUM_SIP_SERVICE_BASE 0x02 |
| 14 | #define ARM_SMC_SERVICE_CALL_NUM_SIP_SERVICE_LENGTH 0x01 |
Doug Horn | 1427b6a | 2018-12-11 13:19:16 -0800 | [diff] [blame] | 15 | #define ARM_SMC_SERVICE_CALL_NUM_TRUSTED_OS_BASE 0x32 |
| 16 | #define ARM_SMC_SERVICE_CALL_NUM_TRUSTED_OS_LENGTH 0xE |
| 17 | #define ARM_SMC_SERVICE_CALL_NUM_MAX 0x3F |
| 18 | #define ARM_SMC_SERVICE_CALL_NUM_MASK 0x3F |
| 19 | #define ARM_SMC_SERVICE_CALL_NUM_SHIFT 24 |
| 20 | #define ARM_SMC_GET_SERVICE_CALL_NUM_FROM_FUNC_ID(func_id) \ |
Adam Barth | 57eacf5 | 2020-11-04 00:38:09 +0000 | [diff] [blame] | 21 | (((func_id) >> ARM_SMC_SERVICE_CALL_NUM_SHIFT) & ARM_SMC_SERVICE_CALL_NUM_MASK) |
Doug Horn | 1427b6a | 2018-12-11 13:19:16 -0800 | [diff] [blame] | 22 | |
| 23 | typedef struct zx_smc_parameters { |
Adam Barth | 57eacf5 | 2020-11-04 00:38:09 +0000 | [diff] [blame] | 24 | uint32_t func_id; |
| 25 | uint8_t padding1[4]; |
| 26 | uint64_t arg1; |
| 27 | uint64_t arg2; |
| 28 | uint64_t arg3; |
| 29 | uint64_t arg4; |
| 30 | uint64_t arg5; |
| 31 | uint64_t arg6; |
| 32 | uint16_t client_id; |
| 33 | uint16_t secure_os_id; |
| 34 | uint8_t padding2[4]; |
Doug Horn | 1427b6a | 2018-12-11 13:19:16 -0800 | [diff] [blame] | 35 | } zx_smc_parameters_t; |
| 36 | |
| 37 | typedef struct zx_smc_result { |
Adam Barth | 57eacf5 | 2020-11-04 00:38:09 +0000 | [diff] [blame] | 38 | uint64_t arg0; |
| 39 | uint64_t arg1; |
| 40 | uint64_t arg2; |
| 41 | uint64_t arg3; |
| 42 | uint64_t arg6; // at least one implementation uses it as a way to return session_id. |
Doug Horn | 1427b6a | 2018-12-11 13:19:16 -0800 | [diff] [blame] | 43 | } zx_smc_result_t; |
| 44 | |
| 45 | __END_CDECLS |
Adam Barth | 57eacf5 | 2020-11-04 00:38:09 +0000 | [diff] [blame] | 46 | |
| 47 | #endif // SYSROOT_ZIRCON_SYSCALLS_SMC_H_ |