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/*
* Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef __ARCH_H__
#define __ARCH_H__
#include <utils_def.h>
/*******************************************************************************
* MIDR bit definitions
******************************************************************************/
#define MIDR_IMPL_MASK U(0xff)
#define MIDR_IMPL_SHIFT U(0x18)
#define MIDR_VAR_SHIFT U(20)
#define MIDR_VAR_BITS U(4)
#define MIDR_VAR_MASK U(0xf)
#define MIDR_REV_SHIFT U(0)
#define MIDR_REV_BITS U(4)
#define MIDR_REV_MASK U(0xf)
#define MIDR_PN_MASK U(0xfff)
#define MIDR_PN_SHIFT U(0x4)
/*******************************************************************************
* MPIDR macros
******************************************************************************/
#define MPIDR_MT_MASK (U(1) << 24)
#define MPIDR_CPU_MASK MPIDR_AFFLVL_MASK
#define MPIDR_CLUSTER_MASK (MPIDR_AFFLVL_MASK << MPIDR_AFFINITY_BITS)
#define MPIDR_AFFINITY_BITS U(8)
#define MPIDR_AFFLVL_MASK U(0xff)
#define MPIDR_AFF0_SHIFT U(0)
#define MPIDR_AFF1_SHIFT U(8)
#define MPIDR_AFF2_SHIFT U(16)
#define MPIDR_AFF3_SHIFT U(32)
#define MPIDR_AFFINITY_MASK U(0xff00ffffff)
#define MPIDR_AFFLVL_SHIFT U(3)
#define MPIDR_AFFLVL0 U(0)
#define MPIDR_AFFLVL1 U(1)
#define MPIDR_AFFLVL2 U(2)
#define MPIDR_AFFLVL3 U(3)
#define MPIDR_AFFLVL0_VAL(mpidr) \
((mpidr >> MPIDR_AFF0_SHIFT) & MPIDR_AFFLVL_MASK)
#define MPIDR_AFFLVL1_VAL(mpidr) \
((mpidr >> MPIDR_AFF1_SHIFT) & MPIDR_AFFLVL_MASK)
#define MPIDR_AFFLVL2_VAL(mpidr) \
((mpidr >> MPIDR_AFF2_SHIFT) & MPIDR_AFFLVL_MASK)
#define MPIDR_AFFLVL3_VAL(mpidr) \
((mpidr >> MPIDR_AFF3_SHIFT) & MPIDR_AFFLVL_MASK)
/*
* The MPIDR_MAX_AFFLVL count starts from 0. Take care to
* add one while using this macro to define array sizes.
* TODO: Support only the first 3 affinity levels for now.
*/
#define MPIDR_MAX_AFFLVL U(2)
/* Constant to highlight the assumption that MPIDR allocation starts from 0 */
#define FIRST_MPIDR U(0)
/*******************************************************************************
* Definitions for CPU system register interface to GICv3
******************************************************************************/
#define ICC_SRE_EL1 S3_0_C12_C12_5
#define ICC_SRE_EL2 S3_4_C12_C9_5
#define ICC_SRE_EL3 S3_6_C12_C12_5
#define ICC_CTLR_EL1 S3_0_C12_C12_4
#define ICC_CTLR_EL3 S3_6_C12_C12_4
#define ICC_PMR_EL1 S3_0_C4_C6_0
#define ICC_IGRPEN1_EL3 S3_6_c12_c12_7
#define ICC_IGRPEN0_EL1 S3_0_c12_c12_6
#define ICC_HPPIR0_EL1 S3_0_c12_c8_2
#define ICC_HPPIR1_EL1 S3_0_c12_c12_2
#define ICC_IAR0_EL1 S3_0_c12_c8_0
#define ICC_IAR1_EL1 S3_0_c12_c12_0
#define ICC_EOIR0_EL1 S3_0_c12_c8_1
#define ICC_EOIR1_EL1 S3_0_c12_c12_1
/*******************************************************************************
* Generic timer memory mapped registers & offsets
******************************************************************************/
#define CNTCR_OFF U(0x000)
#define CNTFID_OFF U(0x020)
#define CNTCR_EN (U(1) << 0)
#define CNTCR_HDBG (U(1) << 1)
#define CNTCR_FCREQ(x) ((x) << 8)
/*******************************************************************************
* System register bit definitions
******************************************************************************/
/* CLIDR definitions */
#define LOUIS_SHIFT U(21)
#define LOC_SHIFT U(24)
#define CLIDR_FIELD_WIDTH U(3)
/* CSSELR definitions */
#define LEVEL_SHIFT U(1)
/* D$ set/way op type defines */
#define DCISW U(0x0)
#define DCCISW U(0x1)
#define DCCSW U(0x2)
/* ID_AA64PFR0_EL1 definitions */
#define ID_AA64PFR0_EL0_SHIFT U(0)
#define ID_AA64PFR0_EL1_SHIFT U(4)
#define ID_AA64PFR0_EL2_SHIFT U(8)
#define ID_AA64PFR0_EL3_SHIFT U(12)
#define ID_AA64PFR0_ELX_MASK U(0xf)
/* ID_AA64DFR0_EL1.PMS definitions (for ARMv8.2+) */
#define ID_AA64DFR0_PMS_SHIFT U(32)
#define ID_AA64DFR0_PMS_LENGTH U(4)
#define ID_AA64DFR0_PMS_MASK U(0xf)
#define EL_IMPL_NONE U(0)
#define EL_IMPL_A64ONLY U(1)
#define EL_IMPL_A64_A32 U(2)
#define ID_AA64PFR0_GIC_SHIFT U(24)
#define ID_AA64PFR0_GIC_WIDTH U(4)
#define ID_AA64PFR0_GIC_MASK ((U(1) << ID_AA64PFR0_GIC_WIDTH) - 1)
/* ID_AA64MMFR0_EL1 definitions */
#define ID_AA64MMFR0_EL1_PARANGE_MASK U(0xf)
#define PARANGE_0000 U(32)
#define PARANGE_0001 U(36)
#define PARANGE_0010 U(40)
#define PARANGE_0011 U(42)
#define PARANGE_0100 U(44)
#define PARANGE_0101 U(48)
/* ID_PFR1_EL1 definitions */
#define ID_PFR1_VIRTEXT_SHIFT U(12)
#define ID_PFR1_VIRTEXT_MASK U(0xf)
#define GET_VIRT_EXT(id) ((id >> ID_PFR1_VIRTEXT_SHIFT) \
& ID_PFR1_VIRTEXT_MASK)
/* SCTLR definitions */
#define SCTLR_EL2_RES1 ((U(1) << 29) | (U(1) << 28) | (U(1) << 23) | \
(U(1) << 22) | (U(1) << 18) | (U(1) << 16) | \
(U(1) << 11) | (U(1) << 5) | (U(1) << 4))
#define SCTLR_EL1_RES1 ((U(1) << 29) | (U(1) << 28) | (U(1) << 23) | \
(U(1) << 22) | (U(1) << 20) | (U(1) << 11))
#define SCTLR_AARCH32_EL1_RES1 \
((U(1) << 23) | (U(1) << 22) | (U(1) << 11) | \
(U(1) << 4) | (U(1) << 3))
#define SCTLR_EL3_RES1 ((U(1) << 29) | (U(1) << 28) | (U(1) << 23) | \
(U(1) << 22) | (U(1) << 18) | (U(1) << 16) | \
(U(1) << 11) | (U(1) << 5) | (U(1) << 4))
#define SCTLR_M_BIT (U(1) << 0)
#define SCTLR_A_BIT (U(1) << 1)
#define SCTLR_C_BIT (U(1) << 2)
#define SCTLR_SA_BIT (U(1) << 3)
#define SCTLR_CP15BEN_BIT (U(1) << 5)
#define SCTLR_I_BIT (U(1) << 12)
#define SCTLR_NTWI_BIT (U(1) << 16)
#define SCTLR_NTWE_BIT (U(1) << 18)
#define SCTLR_WXN_BIT (U(1) << 19)
#define SCTLR_EE_BIT (U(1) << 25)
#define SCTLR_RESET_VAL SCTLR_EL3_RES1
/* CPACR_El1 definitions */
#define CPACR_EL1_FPEN(x) ((x) << 20)
#define CPACR_EL1_FP_TRAP_EL0 U(0x1)
#define CPACR_EL1_FP_TRAP_ALL U(0x2)
#define CPACR_EL1_FP_TRAP_NONE U(0x3)
/* SCR definitions */
#define SCR_RES1_BITS ((U(1) << 4) | (U(1) << 5))
#define SCR_TWE_BIT (U(1) << 13)
#define SCR_TWI_BIT (U(1) << 12)
#define SCR_ST_BIT (U(1) << 11)
#define SCR_RW_BIT (U(1) << 10)
#define SCR_SIF_BIT (U(1) << 9)
#define SCR_HCE_BIT (U(1) << 8)
#define SCR_SMD_BIT (U(1) << 7)
#define SCR_EA_BIT (U(1) << 3)
#define SCR_FIQ_BIT (U(1) << 2)
#define SCR_IRQ_BIT (U(1) << 1)
#define SCR_NS_BIT (U(1) << 0)
#define SCR_VALID_BIT_MASK U(0x2f8f)
#define SCR_RESET_VAL SCR_RES1_BITS
/* MDCR_EL3 definitions */
#define MDCR_SPD32(x) ((x) << 14)
#define MDCR_SPD32_LEGACY U(0x0)
#define MDCR_SPD32_DISABLE U(0x2)
#define MDCR_SPD32_ENABLE U(0x3)
#define MDCR_SDD_BIT (U(1) << 16)
#define MDCR_NSPB(x) ((x) << 12)
#define MDCR_NSPB_EL1 U(0x3)
#define MDCR_TDOSA_BIT (U(1) << 10)
#define MDCR_TDA_BIT (U(1) << 9)
#define MDCR_TPM_BIT (U(1) << 6)
#define MDCR_EL3_RESET_VAL U(0x0)
#if !ERROR_DEPRECATED
#define MDCR_DEF_VAL (MDCR_SDD_BIT | MDCR_SPD32(MDCR_SPD32_DISABLE))
#endif
/* MDCR_EL2 definitions */
#define MDCR_EL2_TPMS (U(1) << 14)
#define MDCR_EL2_E2PB(x) ((x) << 12)
#define MDCR_EL2_E2PB_EL1 U(0x3)
#define MDCR_EL2_TDRA_BIT (U(1) << 11)
#define MDCR_EL2_TDOSA_BIT (U(1) << 10)
#define MDCR_EL2_TDA_BIT (U(1) << 9)
#define MDCR_EL2_TDE_BIT (U(1) << 8)
#define MDCR_EL2_HPME_BIT (U(1) << 7)
#define MDCR_EL2_TPM_BIT (U(1) << 6)
#define MDCR_EL2_TPMCR_BIT (U(1) << 5)
#define MDCR_EL2_RESET_VAL U(0x0)
/* HSTR_EL2 definitions */
#define HSTR_EL2_RESET_VAL U(0x0)
#define HSTR_EL2_T_MASK U(0xff)
/* CNTHP_CTL_EL2 definitions */
#define CNTHP_CTL_ENABLE_BIT (U(1) << 0)
#define CNTHP_CTL_RESET_VAL U(0x0)
/* VTTBR_EL2 definitions */
#define VTTBR_RESET_VAL ULL(0x0)
#define VTTBR_VMID_MASK ULL(0xff)
#define VTTBR_VMID_SHIFT U(48)
#define VTTBR_BADDR_MASK ULL(0xffffffffffff)
#define VTTBR_BADDR_SHIFT U(0)
/* HCR definitions */
#define HCR_RW_SHIFT U(31)
#define HCR_RW_BIT (ULL(1) << HCR_RW_SHIFT)
#define HCR_AMO_BIT (U(1) << 5)
#define HCR_IMO_BIT (U(1) << 4)
#define HCR_FMO_BIT (U(1) << 3)
/* ISR definitions */
#define ISR_A_SHIFT U(8)
#define ISR_I_SHIFT U(7)
#define ISR_F_SHIFT U(6)
/* CNTHCTL_EL2 definitions */
#define CNTHCTL_RESET_VAL U(0x0)
#define EVNTEN_BIT (U(1) << 2)
#define EL1PCEN_BIT (U(1) << 1)
#define EL1PCTEN_BIT (U(1) << 0)
/* CNTKCTL_EL1 definitions */
#define EL0PTEN_BIT (U(1) << 9)
#define EL0VTEN_BIT (U(1) << 8)
#define EL0PCTEN_BIT (U(1) << 0)
#define EL0VCTEN_BIT (U(1) << 1)
#define EVNTEN_BIT (U(1) << 2)
#define EVNTDIR_BIT (U(1) << 3)
#define EVNTI_SHIFT U(4)
#define EVNTI_MASK U(0xf)
/* CPTR_EL3 definitions */
#define TCPAC_BIT (U(1) << 31)
#define TTA_BIT (U(1) << 20)
#define TFP_BIT (U(1) << 10)
#define CPTR_EL3_RESET_VAL U(0x0)
/* CPTR_EL2 definitions */
#define CPTR_EL2_RES1 ((U(1) << 13) | (U(1) << 12) | (U(0x3ff)))
#define CPTR_EL2_TCPAC_BIT (U(1) << 31)
#define CPTR_EL2_TTA_BIT (U(1) << 20)
#define CPTR_EL2_TFP_BIT (U(1) << 10)
#define CPTR_EL2_RESET_VAL CPTR_EL2_RES1
/* CPSR/SPSR definitions */
#define DAIF_FIQ_BIT (U(1) << 0)
#define DAIF_IRQ_BIT (U(1) << 1)
#define DAIF_ABT_BIT (U(1) << 2)
#define DAIF_DBG_BIT (U(1) << 3)
#define SPSR_DAIF_SHIFT U(6)
#define SPSR_DAIF_MASK U(0xf)
#define SPSR_AIF_SHIFT U(6)
#define SPSR_AIF_MASK U(0x7)
#define SPSR_E_SHIFT U(9)
#define SPSR_E_MASK U(0x1)
#define SPSR_E_LITTLE U(0x0)
#define SPSR_E_BIG U(0x1)
#define SPSR_T_SHIFT U(5)
#define SPSR_T_MASK U(0x1)
#define SPSR_T_ARM U(0x0)
#define SPSR_T_THUMB U(0x1)
#define DISABLE_ALL_EXCEPTIONS \
(DAIF_FIQ_BIT | DAIF_IRQ_BIT | DAIF_ABT_BIT | DAIF_DBG_BIT)
/*
* RMR_EL3 definitions
*/
#define RMR_EL3_RR_BIT (U(1) << 1)
#define RMR_EL3_AA64_BIT (U(1) << 0)
/*
* HI-VECTOR address for AArch32 state
*/
#define HI_VECTOR_BASE U(0xFFFF0000)
/*
* TCR defintions
*/
#define TCR_EL3_RES1 ((1UL << 31) | (1UL << 23))
#define TCR_EL1_IPS_SHIFT U(32)
#define TCR_EL3_PS_SHIFT U(16)
#define TCR_TxSZ_MIN U(16)
#define TCR_TxSZ_MAX U(39)
/* (internal) physical address size bits in EL3/EL1 */
#define TCR_PS_BITS_4GB U(0x0)
#define TCR_PS_BITS_64GB U(0x1)
#define TCR_PS_BITS_1TB U(0x2)
#define TCR_PS_BITS_4TB U(0x3)
#define TCR_PS_BITS_16TB U(0x4)
#define TCR_PS_BITS_256TB U(0x5)
#define ADDR_MASK_48_TO_63 ULL(0xFFFF000000000000)
#define ADDR_MASK_44_TO_47 ULL(0x0000F00000000000)
#define ADDR_MASK_42_TO_43 ULL(0x00000C0000000000)
#define ADDR_MASK_40_TO_41 ULL(0x0000030000000000)
#define ADDR_MASK_36_TO_39 ULL(0x000000F000000000)
#define ADDR_MASK_32_TO_35 ULL(0x0000000F00000000)
#define TCR_RGN_INNER_NC (U(0x0) << 8)
#define TCR_RGN_INNER_WBA (U(0x1) << 8)
#define TCR_RGN_INNER_WT (U(0x2) << 8)
#define TCR_RGN_INNER_WBNA (U(0x3) << 8)
#define TCR_RGN_OUTER_NC (U(0x0) << 10)
#define TCR_RGN_OUTER_WBA (U(0x1) << 10)
#define TCR_RGN_OUTER_WT (U(0x2) << 10)
#define TCR_RGN_OUTER_WBNA (U(0x3) << 10)
#define TCR_SH_NON_SHAREABLE (U(0x0) << 12)
#define TCR_SH_OUTER_SHAREABLE (U(0x2) << 12)
#define TCR_SH_INNER_SHAREABLE (U(0x3) << 12)
#define MODE_SP_SHIFT U(0x0)
#define MODE_SP_MASK U(0x1)
#define MODE_SP_EL0 U(0x0)
#define MODE_SP_ELX U(0x1)
#define MODE_RW_SHIFT U(0x4)
#define MODE_RW_MASK U(0x1)
#define MODE_RW_64 U(0x0)
#define MODE_RW_32 U(0x1)
#define MODE_EL_SHIFT U(0x2)
#define MODE_EL_MASK U(0x3)
#define MODE_EL3 U(0x3)
#define MODE_EL2 U(0x2)
#define MODE_EL1 U(0x1)
#define MODE_EL0 U(0x0)
#define MODE32_SHIFT U(0)
#define MODE32_MASK U(0xf)
#define MODE32_usr U(0x0)
#define MODE32_fiq U(0x1)
#define MODE32_irq U(0x2)
#define MODE32_svc U(0x3)
#define MODE32_mon U(0x6)
#define MODE32_abt U(0x7)
#define MODE32_hyp U(0xa)
#define MODE32_und U(0xb)
#define MODE32_sys U(0xf)
#define GET_RW(mode) (((mode) >> MODE_RW_SHIFT) & MODE_RW_MASK)
#define GET_EL(mode) (((mode) >> MODE_EL_SHIFT) & MODE_EL_MASK)
#define GET_SP(mode) (((mode) >> MODE_SP_SHIFT) & MODE_SP_MASK)
#define GET_M32(mode) (((mode) >> MODE32_SHIFT) & MODE32_MASK)
#define SPSR_64(el, sp, daif) \
(MODE_RW_64 << MODE_RW_SHIFT | \
((el) & MODE_EL_MASK) << MODE_EL_SHIFT | \
((sp) & MODE_SP_MASK) << MODE_SP_SHIFT | \
((daif) & SPSR_DAIF_MASK) << SPSR_DAIF_SHIFT)
#define SPSR_MODE32(mode, isa, endian, aif) \
((MODE_RW_32 << MODE_RW_SHIFT) | \
(((mode) & MODE32_MASK) << MODE32_SHIFT) | \
(((isa) & SPSR_T_MASK) << SPSR_T_SHIFT) | \
(((endian) & SPSR_E_MASK) << SPSR_E_SHIFT) | \
(((aif) & SPSR_AIF_MASK) << SPSR_AIF_SHIFT))
/*
* CTR_EL0 definitions
*/
#define CTR_CWG_SHIFT U(24)
#define CTR_CWG_MASK U(0xf)
#define CTR_ERG_SHIFT U(20)
#define CTR_ERG_MASK U(0xf)
#define CTR_DMINLINE_SHIFT U(16)
#define CTR_DMINLINE_MASK U(0xf)
#define CTR_L1IP_SHIFT U(14)
#define CTR_L1IP_MASK U(0x3)
#define CTR_IMINLINE_SHIFT U(0)
#define CTR_IMINLINE_MASK U(0xf)
#define MAX_CACHE_LINE_SIZE U(0x800) /* 2KB */
/* Physical timer control register bit fields shifts and masks */
#define CNTP_CTL_ENABLE_SHIFT U(0)
#define CNTP_CTL_IMASK_SHIFT U(1)
#define CNTP_CTL_ISTATUS_SHIFT U(2)
#define CNTP_CTL_ENABLE_MASK U(1)
#define CNTP_CTL_IMASK_MASK U(1)
#define CNTP_CTL_ISTATUS_MASK U(1)
#define get_cntp_ctl_enable(x) (((x) >> CNTP_CTL_ENABLE_SHIFT) & \
CNTP_CTL_ENABLE_MASK)
#define get_cntp_ctl_imask(x) (((x) >> CNTP_CTL_IMASK_SHIFT) & \
CNTP_CTL_IMASK_MASK)
#define get_cntp_ctl_istatus(x) (((x) >> CNTP_CTL_ISTATUS_SHIFT) & \
CNTP_CTL_ISTATUS_MASK)
#define set_cntp_ctl_enable(x) ((x) |= (U(1) << CNTP_CTL_ENABLE_SHIFT))
#define set_cntp_ctl_imask(x) ((x) |= (U(1) << CNTP_CTL_IMASK_SHIFT))
#define clr_cntp_ctl_enable(x) ((x) &= ~(U(1) << CNTP_CTL_ENABLE_SHIFT))
#define clr_cntp_ctl_imask(x) ((x) &= ~(U(1) << CNTP_CTL_IMASK_SHIFT))
/* Exception Syndrome register bits and bobs */
#define ESR_EC_SHIFT U(26)
#define ESR_EC_MASK U(0x3f)
#define ESR_EC_LENGTH U(6)
#define EC_UNKNOWN U(0x0)
#define EC_WFE_WFI U(0x1)
#define EC_AARCH32_CP15_MRC_MCR U(0x3)
#define EC_AARCH32_CP15_MRRC_MCRR U(0x4)
#define EC_AARCH32_CP14_MRC_MCR U(0x5)
#define EC_AARCH32_CP14_LDC_STC U(0x6)
#define EC_FP_SIMD U(0x7)
#define EC_AARCH32_CP10_MRC U(0x8)
#define EC_AARCH32_CP14_MRRC_MCRR U(0xc)
#define EC_ILLEGAL U(0xe)
#define EC_AARCH32_SVC U(0x11)
#define EC_AARCH32_HVC U(0x12)
#define EC_AARCH32_SMC U(0x13)
#define EC_AARCH64_SVC U(0x15)
#define EC_AARCH64_HVC U(0x16)
#define EC_AARCH64_SMC U(0x17)
#define EC_AARCH64_SYS U(0x18)
#define EC_IABORT_LOWER_EL U(0x20)
#define EC_IABORT_CUR_EL U(0x21)
#define EC_PC_ALIGN U(0x22)
#define EC_DABORT_LOWER_EL U(0x24)
#define EC_DABORT_CUR_EL U(0x25)
#define EC_SP_ALIGN U(0x26)
#define EC_AARCH32_FP U(0x28)
#define EC_AARCH64_FP U(0x2c)
#define EC_SERROR U(0x2f)
#define EC_BITS(x) (((x) >> ESR_EC_SHIFT) & ESR_EC_MASK)
/* Reset bit inside the Reset management register for EL3 (RMR_EL3) */
#define RMR_RESET_REQUEST_SHIFT U(0x1)
#define RMR_WARM_RESET_CPU (U(1) << RMR_RESET_REQUEST_SHIFT)
/*******************************************************************************
* Definitions of register offsets, fields and macros for CPU system
* instructions.
******************************************************************************/
#define TLBI_ADDR_SHIFT U(12)
#define TLBI_ADDR_MASK ULL(0x00000FFFFFFFFFFF)
#define TLBI_ADDR(x) (((x) >> TLBI_ADDR_SHIFT) & TLBI_ADDR_MASK)
/*******************************************************************************
* Definitions of register offsets and fields in the CNTCTLBase Frame of the
* system level implementation of the Generic Timer.
******************************************************************************/
#define CNTNSAR U(0x4)
#define CNTNSAR_NS_SHIFT(x) (x)
#define CNTACR_BASE(x) (U(0x40) + ((x) << 2))
#define CNTACR_RPCT_SHIFT U(0x0)
#define CNTACR_RVCT_SHIFT U(0x1)
#define CNTACR_RFRQ_SHIFT U(0x2)
#define CNTACR_RVOFF_SHIFT U(0x3)
#define CNTACR_RWVT_SHIFT U(0x4)
#define CNTACR_RWPT_SHIFT U(0x5)
/* PMCR_EL0 definitions */
#define PMCR_EL0_N_SHIFT U(11)
#define PMCR_EL0_N_MASK U(0x1f)
#define PMCR_EL0_N_BITS (PMCR_EL0_N_MASK << PMCR_EL0_N_SHIFT)
#endif /* __ARCH_H__ */