92 lines
3.5 KiB
C
92 lines
3.5 KiB
C
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/*
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* Copyright (C) 2015 Samsung Electronics, Inc.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __TZDEV_SMC_H__
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#define __TZDEV_SMC_H__
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/* Fast SMC call mask. Bit 31 of SMC Function Identifier (SFI).
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* SFI[31] = 1: SMC handler must not be pre-empted
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* SFI[31] = 0: SMC handler can be preempted
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*/
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#define SMC_TYPE_STD 0
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#define SMC_TYPE_FAST 1
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/* SMC call MBZ mask. The bits must be zero just in case of
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* fastcall, bit 31 of SFI is 1.
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*/
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#define SMC_FAST_CALL_MBZ 0x00FF0000
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/* AARCH64 SMC call mask. Bit 30 of SMC Function Identifier (SFI).
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* SFI[30] = 1: SMC calling convention SMC64 is used
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* SFI[30] = 0: SMC calling convention SMC32 is used
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*/
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#define SMC_AARCH_32 0
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#define SMC_AARCH_64 1
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/* SMC call types.
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* -------------------------------------------------------------
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* | 0 | 0x00000000 | ARM Architecture Calls |
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* --------------------------------------------------------------
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* | 1 | 0x01000000 | CPU Service Calls |
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* --------------------------------------------------------------
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* | 2 | 0x02000000 | SIP Service Calls |
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* --------------------------------------------------------------
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* | 3 | 0x03000000 | OEM Service Calls |
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* --------------------------------------------------------------
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* | 4 | 0x04000000 | Standard Service Calls |
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* --------------------------------------------------------------
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* | 5-47 | 0x05000000 – 0x2F000000 | Reserved for future use |
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* --------------------------------------------------------------
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* | 48-49 | 0x30000000 – 0x31000000 | Trusted Application Calls|
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* --------------------------------------------------------------
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* | 50-63 | 0x32000000 – 0x3F000000 | Trusted OS Calls |
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* --------------------------------------------------------------
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*/
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#define SMC_CPU_SERVICE_MASK 0x01000000
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#define SMC_SIP_SERVICE_MASK 0x02000000
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#define SMC_OEM_SERVICE_MASK 0x03000000
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#define SMC_STANDARD_MASK_CALL 0x04000000
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#define SMC_RESERVED_RANGE_START 0x05000000
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#define SMC_RESERVED_RANGE_END 0x2F000000
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#define SMC_TAPP0_SERVICE_MASK 0x30000000
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#define SMC_TAPP1_SERVICE_MASK 0x31000000
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#define SMC_TOS0_SERVICE_MASK 0x32000000
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#define SMC_TOS1_SERVICE_MASK 0x33000000
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#define SMC_TOS2_SERVICE_MASK 0x34000000
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#define SMC_TOS3_SERVICE_MASK 0x35000000
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#define SMC_TOS4_SERVICE_MASK 0x36000000
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#define SMC_TOS5_SERVICE_MASK 0x37000000
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#define SMC_TOS6_SERVICE_MASK 0x38000000
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#define SMC_TOS7_SERVICE_MASK 0x39000000
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#define SMC_TOS8_SERVICE_MASK 0x3A000000
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#define SMC_TOS9_SERVICE_MASK 0x3B000000
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#define SMC_TOS10_SERVICE_MASK 0x3C000000
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#define SMC_TOS11_SERVICE_MASK 0x3D000000
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#define SMC_TOS12_SERVICE_MASK 0x3E000000
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#define SMC_TOS13_SERVICE_MASK 0x3F000000
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/* SMC call function ID mask. */
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#define SMC_FUNC_ID 0x0000FFFF
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/* SMC helper to create SMC argument
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* compatible to ARM SMC calling convention.
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* usage: CREATE_SMC_CMD(SMC_STD_CALL, SMC_AARCH_64, SMC_TOS0_SECVICE_MASK, fid)
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*/
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#define CREATE_SMC_CMD(type, arch, range, fid) \
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(((unsigned long)(type) << 31)|((arch) << 30) | (range)|(fid))
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#endif /*__TZDEV_SMC_H__*/
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