135 lines
4.1 KiB
C
Executable File
135 lines
4.1 KiB
C
Executable File
/*
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* Copyright (c) 2014, Linaro Limited
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License Version 2 as
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* published by the Free Software Foundation.
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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 TEESMC25_H
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#define TEESMC25_H
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/* for optee v2.5 */
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#define ARM_SMCCC_STD_CALL 0
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#define ARM_SMCCC_FAST_CALL 1u
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#define ARM_SMCCC_TYPE_SHIFT 31
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#define ARM_SMCCC_SMC_32 0
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#define ARM_SMCCC_SMC_64 1
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#define ARM_SMCCC_CALL_CONV_SHIFT 30
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#define ARM_SMCCC_OWNER_MASK 0x3F
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#define ARM_SMCCC_OWNER_SHIFT 24
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#define ARM_SMCCC_FUNC_MASK 0xFFFF
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#define ARM_SMCCC_IS_FAST_CALL(smc_val) \
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((smc_val) & (ARM_SMCCC_FAST_CALL << ARM_SMCCC_TYPE_SHIFT))
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#define ARM_SMCCC_IS_64(smc_val) \
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((smc_val) & (ARM_SMCCC_SMC_64 << ARM_SMCCC_CALL_CONV_SHIFT))
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#define ARM_SMCCC_FUNC_NUM(smc_val) ((smc_val) & ARM_SMCCC_FUNC_MASK)
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#define ARM_SMCCC_OWNER_NUM(smc_val) \
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(((smc_val) >> ARM_SMCCC_OWNER_SHIFT) & ARM_SMCCC_OWNER_MASK)
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#define ARM_SMCCC_CALL_VAL(type, calling_convention, owner, func_num) \
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(((type) << ARM_SMCCC_TYPE_SHIFT) | \
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((calling_convention) << ARM_SMCCC_CALL_CONV_SHIFT) | \
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(((owner) & ARM_SMCCC_OWNER_MASK) << ARM_SMCCC_OWNER_SHIFT) | \
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((func_num) & ARM_SMCCC_FUNC_MASK))
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#define ARM_SMCCC_OWNER_ARCH 0
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#define ARM_SMCCC_OWNER_CPU 1
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#define ARM_SMCCC_OWNER_SIP 2
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#define ARM_SMCCC_OWNER_OEM 3
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#define ARM_SMCCC_OWNER_STANDARD 4
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#define ARM_SMCCC_OWNER_TRUSTED_APP 48
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#define ARM_SMCCC_OWNER_TRUSTED_APP_END 49
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#define ARM_SMCCC_OWNER_TRUSTED_OS 50
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#define ARM_SMCCC_OWNER_TRUSTED_OS_END 63
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#define OPTEE_SMC_FAST_CALL_VAL(func_num) \
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ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, ARM_SMCCC_SMC_32, \
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ARM_SMCCC_OWNER_TRUSTED_OS, (func_num))
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#define OPTEE_SMC_FUNCID_GET_DRMINFO 15
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#define OPTEE_SMC_GET_DRM_INFO \
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OPTEE_SMC_FAST_CALL_VAL(OPTEE_SMC_FUNCID_GET_DRMINFO)
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#define OPTEE_SMC_FUNCID_CRYPT 16
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#define OPTEE_SMC_CRYPT \
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OPTEE_SMC_FAST_CALL_VAL(OPTEE_SMC_FUNCID_CRYPT)
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#define OPTEE_SMC_FUNCID_READ_REG 17
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#define OPTEE_SMC_READ_REG \
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OPTEE_SMC_FAST_CALL_VAL(OPTEE_SMC_FUNCID_READ_REG)
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#define OPTEE_SMC_FUNCID_WRITE_REG 18
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#define OPTEE_SMC_WRITE_REG \
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OPTEE_SMC_FAST_CALL_VAL(OPTEE_SMC_FUNCID_WRITE_REG)
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#define OPTEE_SMC_FUNCID_ARISC_COPY_PARAS 19
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#define OPTEE_SMC_ARISC_COPY_PARAS \
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OPTEE_SMC_FAST_CALL_VAL(OPTEE_SMC_FUNCID_ARISC_COPY_PARAS)
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#define OPTEE_SMC_FUNCID_GET_TEEADDR_PARAS 20
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#define OPTEE_SMC_GET_TEEADDR_PARAS \
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OPTEE_SMC_FAST_CALL_VAL(OPTEE_SMC_FUNCID_GET_TEEADDR_PARAS)
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#define OPTEE_SMC_FUNCID_EFUSE 21
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#define OPTEE_SMC_EFUSE_OP \
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OPTEE_SMC_FAST_CALL_VAL(OPTEE_SMC_FUNCID_EFUSE)
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#define EFUSE_OP_WR 1
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#define EFUSE_OP_RD 0
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/*PLATFORM_FASTCALL*/
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#define OPTEE_SMC_FUNCID_PLATFORM 100
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#define OPTEE_SMC_PLATFORM_CMD \
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OPTEE_SMC_FAST_CALL_VAL(OPTEE_SMC_FUNCID_PLATFORM)
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#define TEE_SET_CPU_ENTRY 0xFFFF0001
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#define TEE_SET_CPU_OFF 0xFFFF0002
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#define TEESMC_SSK_ENCRYPT 0
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#define TEESMC_KEYBOX_STORE 1
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#define TEESMC_PROBE_SHM_BASE 2
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#define TEESMC_SSK_DECRYPT 3
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#define TEESMC_RSSK_ENCRYPT 4
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#define TEESMC_RSSK_DECRYPT 5
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#define TEESMC_AES_CBC 6
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/**
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* struct arm_smccc_res - Result from SMC/HVC call
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* @a0-a3 result values from registers 0 to 3
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*/
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struct arm_smccc_res {
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unsigned long a0;
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unsigned long a1;
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unsigned long a2;
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unsigned long a3;
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};
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/**
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* arm_smccc_smc() - make SMC calls
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* @a0-a7: arguments passed in registers 0 to 7
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* @res: result values from registers 0 to 3
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*
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* This function is used to make SMC calls following SMC Calling Convention.
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* The content of the supplied param are copied to registers 0 to 7 prior
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* to the SMC instruction. The return values are updated with the content
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* from register 0 to 3 on return from the SMC instruction.
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*/
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asmlinkage void arm_smccc_smc(unsigned long a0, unsigned long a1,
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unsigned long a2, unsigned long a3, unsigned long a4,
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unsigned long a5, unsigned long a6, unsigned long a7,
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struct arm_smccc_res *res);
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#endif /* TEESMC25_H */
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