arm64_common.h   [plain text]


/*
 * Copyright (c) 2012-2015 Apple Inc. All rights reserved.
 */

#ifndef _PEXPERT_ARM64_COMMON_H
#define _PEXPERT_ARM64_COMMON_H

#ifdef APPLE_ARM64_ARCH_FAMILY

#define ARM64_REG_HID0                    S3_0_c15_c0_0
#define ARM64_REG_HID0_LoopBuffDisb       (1<<20)
#define ARM64_REG_HID0_ICPrefLimitOneBrn  (1<<25)
#define ARM64_REG_HID0_PMULLFuseDisable   (1ULL<<33)
#define ARM64_REG_HID0_CacheFusionDisable (1ULL<<36)
#define ARM64_REG_HID0_ICPrefDepth_bshift 60
#define ARM64_REG_HID0_ICPrefDepth_bmsk   (7ULL <<ARM64_REG_HID0_ICPrefDepth_bshift)

#define ARM64_REG_EHID0               S3_0_c15_c0_1
#define ARM64_REG_EHID0_nfpRetFwdDisb (1ULL<<45)

#define ARM64_REG_HID1                              S3_0_c15_c1_0
#define ARM64_REG_HID1_disCmpBrFusion               (1<<14)
#define ARM64_REG_HID1_forceNexL3ClkOn              (1<<15)
#define ARM64_REG_HID1_rccForceAllIexL3ClksOn       (1<<23)
#define ARM64_REG_HID1_rccDisStallInactiveIexCtl    (1<<24)
#define ARM64_REG_HID1_disLspFlushWithContextSwitch (1<<25)
#define ARM64_REG_HID1_disAESFuseAcrossGrp          (1<<44)
#define ARM64_REG_HID1_disMSRSpecDAIF               (1ULL << 49)
#define ARM64_REG_HID1_enaBrKillLimit               (1ULL << 60)

#define ARM64_REG_EHID1                             S3_0_c15_c1_1
#define ARM64_REG_EHID1_disMSRSpecDAIF              (1ULL << 30)

#define ARM64_REG_HID2                    S3_0_c15_c2_0
#define ARM64_REG_HID2_disMMUmtlbPrefetch (1<<13)

#define ARM64_REG_HID3                                        S3_0_c15_c3_0
#define ARM64_REG_HID3_DisColorOpt                            (1<<2)
#define ARM64_REG_HID3_DisDcZvaCmdOnly                        (1<<25)
#define ARM64_REG_HID3_DisXmonSnpEvictTriggerL2StarvationMode (1<<54)

#define ARM64_REG_EHID3                 S3_0_c15_c3_1
#define ARM64_REG_EHID3_DisColorOpt     (1<<2)
#define ARM64_REG_EHID3_DisDcZvaCmdOnly (1<<25)

#define ARM64_REG_HID4                          S3_0_c15_c4_0
#define ARM64_REG_EHID4                         S3_0_c15_c4_1

#define ARM64_REG_HID4_DisDcMVAOps              (1<<11)
#define ARM64_REG_HID4_DisSpecLnchRead          (1<<33)
#define ARM64_REG_HID4_ForceNsOrdLdReqNoOlderLd (1<<39)
#define ARM64_REG_HID4_CnfCntrThresh_shift	(40)
#define ARM64_REG_HID4_CnfCntrThresh_mask 	(0x3ULL << ARM64_REG_HID4_CnfCntrThresh_shift)
#define ARM64_REG_HID4_DisDcSWL2Ops             (1<<44)
#define ARM64_REG_HID4_disSpecLSRedirect        (1<<9)
#define ARM64_REG_HID4_DisSTNTWidget            (1<<1)

#define ARM64_REG_HID5                     S3_0_c15_c5_0
#define ARM64_REG_HID5_DisHwpLd            (1<<44)
#define ARM64_REG_HID5_DisHwpSt            (1<<45)
#define ARM64_REG_HID5_DisFill2cMerge      (1ULL << 61)
#define ARM64_REG_HID5_EnableDnFIFORdStall (1ULL << 54)
#define ARM64_REG_HID5_DisFullLineWr       (1ULL << 57)
#define ARM64_REG_HID5_CrdEdbSnpRsvd_mask  (3ULL << 14)
#define ARM64_REG_HID5_CrdEdbSnpRsvd_VALUE (2ULL << 14)

#define ARM64_REG_EHID5            S3_0_c15_c5_1
#define ARM64_REG_EHID5_DisFillByp (1 << 35)

#define ARM64_REG_HID6                 S3_0_c15_c6_0
#define ARM64_REG_HID6_DisClkDivGating (1ULL << 55)

#define ARM64_REG_HID7                S3_0_c15_c7_0
#define ARM64_REG_HID7_disNexFastFmul (1 << 10)
#define ARM64_REG_HID7_disCrossPick2  (1ULL << 7)

#define ARM64_REG_HID8                     S3_0_c15_c8_0
#define ARM64_REG_HID8_DataSetID0_VALUE    (0xF << 4)
#define ARM64_REG_HID8_DataSetID1_VALUE    (0xF << 8)
#define ARM64_REG_HID8_WkeForceStrictOrder (0x1ULL << 35)
#define ARM64_REG_HID8_DataSetID2_VALUE    (0xF << 56)
#define ARM64_REG_HID8_DataSetID3_VALUE    (0xF << 60)

#define ARM64_REG_HID9                         S3_0_c15_c9_0
#define ARM64_REG_HID9_DisSTNTWidgetForUnalign (1ULL << 52)
#define ARM64_REG_HID9_EnableFixBug47221499    (1ULL << 54)

#define ARM64_REG_HID10            S3_0_c15_c10_0
#define ARM64_REG_HID10_DisHwpGups (1ULL << 0)

#define ARM64_REG_EHID10                        S3_0_c15_c10_1
#define ARM64_REG_EHID10_rccDisPwrSavePrfClkOff (1ULL << 19)
#define ARM64_REG_EHID10_ForceWStDrainUc        (1ULL << 32)

#if defined(APPLETYPHOON) || defined(APPLETWISTER)
#define ARM64_REG_HID11                 S3_0_c15_c13_0
#else /* defined(APPLECYCLONE) || defined(APPLETYPHOON) || defined(APPLETWISTER) */
#define ARM64_REG_HID11                 S3_0_c15_c11_0
#endif /* defined(APPLECYCLONE) || defined(APPLETYPHOON) || defined(APPLETWISTER) */
#define ARM64_REG_HID11_DisX64NTLnchOpt (1ULL << 1)
#define ARM64_REG_HID11_DisFillC1BubOpt (1ULL << 7)
#define ARM64_REG_HID11_DisFastDrainOpt (1ULL << 23)

#define ARM64_REG_EHID11                     S3_0_c15_c11_1
#define ARM64_REG_EHID11_SmbDrainThresh_mask (3ULL << 40)

#define ARM64_REG_HID13                      S3_0_c15_c14_0
#define ARM64_REG_HID13_PreCyc_shift         (14)
#define ARM64_REG_HID13_PreCyc_mask          (0xFULL << ARM64_REG_HID13_PreCyc_shift)

#define ARM64_REG_HID16                      S3_0_c15_c15_2
#define ARM64_REG_HID16_leqThrottleAggr      (1ULL << 18)
#define ARM64_REG_HID16_EnRs4Sec             (1ULL << 57)
#define ARM64_REG_HID16_DisxPickRs45         (1ULL << 60)
#define ARM64_REG_HID16_EnMPxPick45          (1ULL << 61)
#define ARM64_REG_HID16_EnMPCyc7             (1ULL << 62)

#if defined(APPLETYPHOON) || defined(APPLETWISTER)
#define ARM64_REG_CYC_CFG              S3_5_c15_c4_0
#define ARM64_REG_CYC_CFG_skipInit     (1ULL<<30)
#define ARM64_REG_CYC_CFG_deepSleep    (1ULL<<24)
#else /* defined(APPLECYCLONE) || defined(APPLETYPHOON) || defined(APPLETWISTER) */
#define ARM64_REG_ACC_OVRD             S3_5_c15_c6_0
#if defined(APPLEMONSOON)
#define ARM64_REG_ACC_EBLK_OVRD        S3_5_c15_c6_1 // EBLK_OVRD on Zephyr
#endif /* defined(APPLEMONSOON) */

#define ARM64_REG_ACC_OVRD_enDeepSleep                 (1ULL << 34)
#define ARM64_REG_ACC_OVRD_disPioOnWfiCpu              (1ULL << 32)
#define ARM64_REG_ACC_OVRD_dsblClkDtr                  (1ULL << 29)
#define ARM64_REG_ACC_OVRD_cpmWakeUp_mask              (3ULL << 27)
#define ARM64_REG_ACC_OVRD_cpmWakeUp_force             (3ULL << 27)
#define ARM64_REG_ACC_OVRD_ok2PwrDnCPM_mask            (3ULL << 25)
#define ARM64_REG_ACC_OVRD_ok2PwrDnCPM_deny            (2ULL << 25)
#define ARM64_REG_ACC_OVRD_ok2PwrDnCPM_deepsleep       (3ULL << 25)
#define ARM64_REG_ACC_OVRD_ok2TrDnLnk_mask             (3ULL << 17)
#define ARM64_REG_ACC_OVRD_ok2TrDnLnk_deepsleep        (3ULL << 17)
#define ARM64_REG_ACC_OVRD_disL2Flush4AccSlp_mask      (3ULL << 15)
#define ARM64_REG_ACC_OVRD_disL2Flush4AccSlp_deepsleep (2ULL << 15)
#define ARM64_REG_ACC_OVRD_ok2PwrDnSRM_mask            (3ULL << 13)
#define ARM64_REG_ACC_OVRD_ok2PwrDnSRM_deepsleep       (3ULL << 13)

#endif /* defined(APPLECYCLONE) || defined(APPLETYPHOON) || defined(APPLETWISTER) */

#define ARM64_REG_CYC_OVRD                     S3_5_c15_c5_0
#define ARM64_REG_CYC_OVRD_ok2pwrdn_force_up   (2<<24)
#define ARM64_REG_CYC_OVRD_ok2pwrdn_force_down (3<<24)
#define ARM64_REG_CYC_OVRD_disWfiRetn          (1<<0)

#if defined(APPLEMONSOON)
#define ARM64_REG_CYC_OVRD_dsblSnoopTime_mask  (3ULL << 30)
#define ARM64_REG_CYC_OVRD_dsblSnoopPTime      (1ULL << 31)  /// Don't fetch the timebase from the P-block
#endif /* APPLEMONSOON */

#define ARM64_REG_LSU_ERR_STS                  S3_3_c15_c0_0
#define ARM64_REG_LSU_ERR_STS_L1DTlbMultiHitEN (1ULL<<54)

#define ARM64_REG_E_LSU_ERR_STS                S3_3_c15_c2_0

#define ARM64_REG_LSU_ERR_CTL                  S3_3_c15_c1_0
#define ARM64_REG_LSU_ERR_CTL_L1DTlbMultiHitEN (1ULL<<3)

#define ARM64_REG_FED_ERR_STS                  S3_4_C15_C0_0

#define ARM64_REG_E_FED_ERR_STS                S3_4_C15_C0_2

#define ARM64_REG_MMU_ERR_STS                  S3_6_c15_c0_0

#define ARM64_REG_E_MMU_ERR_STS                s3_6_c15_c2_0

#define ARM64_REG_L2C_ERR_STS                  S3_3_c15_c8_0

#define ARM64_REG_L2C_ERR_ADR                  S3_3_c15_c9_0

#define ARM64_REG_L2C_ERR_INF                  S3_3_c15_c10_0

#define ARM64_REG_MIGSTS_EL1                   S3_4_c15_c0_4

#define ARM64_REG_DPC_ERR_STS                  S3_5_c15_c0_5

#if defined(HAS_KTRR)

#ifdef ASSEMBLER
#define ARM64_REG_KTRR_LOWER_EL1 S3_4_c15_c2_3
#define ARM64_REG_KTRR_UPPER_EL1 S3_4_c15_c2_4
#define ARM64_REG_KTRR_LOCK_EL1  S3_4_c15_c2_2
#else /* ASSEMBLER */
#define ARM64_REG_KTRR_LOWER_EL1 "S3_4_c15_c2_3"
#define ARM64_REG_KTRR_UPPER_EL1 "S3_4_c15_c2_4"
#define ARM64_REG_KTRR_LOCK_EL1  "S3_4_c15_c2_2"
#endif /* ASSEMBLER */

#endif /* defined (HAS_KTRR) */

#if defined(HAS_CTRR)

#ifdef ASSEMBLER
#define ARM64_REG_CTRR_A_LWR_EL1 S3_4_c15_c2_3
#define ARM64_REG_CTRR_A_UPR_EL1 S3_4_c15_c2_4
#define ARM64_REG_CTRR_CTL_EL1   S3_4_c15_c2_5
#define ARM64_REG_CTRR_LOCK_EL1  S3_4_c15_c2_2

#define ACC_CTRR_A_LWR_EL2       S3_4_c15_c11_0
#define ACC_CTRR_A_UPR_EL2       S3_4_c15_c11_1
#define ACC_CTRR_CTL_EL2         S3_4_c15_c11_4
#define ACC_CTRR_LOCK_EL2        S3_4_c15_c11_5
#else /* ASSEMBLER */
#define ARM64_REG_CTRR_A_LWR_EL1 "S3_4_c15_c2_3"
#define ARM64_REG_CTRR_A_UPR_EL1 "S3_4_c15_c2_4"
#define ARM64_REG_CTRR_CTL_EL1   "S3_4_c15_c2_5"
#define ARM64_REG_CTRR_LOCK_EL1  "S3_4_c15_c2_2"

#define ACC_CTRR_A_LWR_EL2       "S3_4_c15_c11_0"
#define ACC_CTRR_A_UPR_EL2       "S3_4_c15_c11_1"
#define ACC_CTRR_CTL_EL2         "S3_4_c15_c11_4"
#define ACC_CTRR_LOCK_EL2        "S3_4_c15_c11_5"
#endif /* ASSEMBLER */

#define CTRR_CTL_EL1_A_MMUOFF_WRPROTECT  (1 << 0)
#define CTRR_CTL_EL1_A_MMUON_WRPROTECT   (1 << 1)
#define CTRR_CTL_EL1_B_MMUOFF_WRPROTECT  (1 << 2)
#define CTRR_CTL_EL1_B_MMUON_WRPROTECT   (1 << 3)
#define CTRR_CTL_EL1_A_PXN               (1 << 4)
#define CTRR_CTL_EL1_B_PXN               (1 << 5)
#define CTRR_CTL_EL1_A_UXN               (1 << 6)
#define CTRR_CTL_EL1_B_UXN               (1 << 7)

#endif /* defined (HAS_CTRR) */

#if defined(HAS_IPI)

#define ARM64_REG_IPI_RR_TYPE_IMMEDIATE (0 << 28)
#define ARM64_REG_IPI_RR_TYPE_RETRACT   (1 << 28)
#define ARM64_REG_IPI_RR_TYPE_DEFERRED  (2 << 28)
#define ARM64_REG_IPI_RR_TYPE_NOWAKE    (3 << 28)

#if defined(HAS_CLUSTER)
#define ARM64_REG_IPI_RR_LOCAL          "S3_5_c15_c0_0"
#define ARM64_REG_IPI_RR_GLOBAL         "S3_5_c15_c0_1"
#else /* defined(HAS_CLUSTER) */
#define ARM64_REG_IPI_RR                "S3_5_c15_c0_1"
#endif /* defined(HAS_CLUSTER) */

#define ARM64_REG_IPI_SR                "S3_5_c15_c1_1"
#define ARM64_REG_IPI_CR                "S3_5_c15_c3_1"

#endif /* defined(HAS_IPI) */


#endif /* APPLE_ARM64_ARCH_FAMILY */

#if defined(HAS_NEX_PG)
#define ARM64_REG_HID13             S3_0_c15_c14_0
#define ARM64_REG_HID13_RstCyc_mask (0xfULL << 60)
#define ARM64_REG_HID13_RstCyc_val  (0xcULL << 60)

#define ARM64_REG_HID14             S3_0_c15_c15_0
#define ARM64_REG_HID14_NexPwgEn    (1ULL << 32)
#endif /* defined(HAS_NEX_PG) */

#if defined(HAS_BP_RET)
#define ARM64_REG_ACC_CFG             S3_5_c15_c4_0
#define ARM64_REG_ACC_CFG_bdpSlpEn    (1ULL << 2)
#define ARM64_REG_ACC_CFG_btpSlpEn    (1ULL << 3)
#define ARM64_REG_ACC_CFG_bpSlp_mask  3
#define ARM64_REG_ACC_CFG_bpSlp_shift 2
#endif /* defined(HAS_BP_RET) */

#if defined(HAS_APPLE_PAC)

#ifdef ASSEMBLER
#define ARM64_REG_APCTL_EL1            S3_4_c15_c0_4
#define ARM64_REG_APSTS_EL1            S3_6_c15_c12_4
#else /* ASSEMBLER */
#define ARM64_REG_APCTL_EL1            "S3_4_c15_c0_4"
#define ARM64_REG_APSTS_EL1            "S3_6_c15_c12_4"
#endif /* ASSEMBLER */

#if ASSEMBLER
#define ARM64_REG_KERNELKEYLO_EL1      S3_4_c15_c1_0
#define ARM64_REG_KERNELKEYHI_EL1      S3_4_c15_c1_1

#define ARM64_REG_APIAKEYLO_EL1        S3_0_c2_c1_0
#define ARM64_REG_APIAKEYHI_EL1        S3_0_c2_c1_1
#define ARM64_REG_APIBKEYLO_EL1        S3_0_c2_c1_2
#define ARM64_REG_APIBKEYHI_EL1        S3_0_c2_c1_3

#define ARM64_REG_APDAKEYLO_EL1        S3_0_c2_c2_0
#define ARM64_REG_APDAKEYHI_EL1        S3_0_c2_c2_1
#define ARM64_REG_APDBKEYLO_EL1        S3_0_c2_c2_2
#define ARM64_REG_APDBKEYHI_EL1        S3_0_c2_c2_3

#define ARM64_REG_APGAKEYLO_EL1        S3_0_c2_c3_0
#define ARM64_REG_APGAKEYHI_EL1        S3_0_c2_c3_1
#else /* ASSEMBLER */
#define ARM64_REG_APCTL_EL1            "S3_4_c15_c0_4"

#define ARM64_REG_KERNELKEYLO_EL1      "S3_4_c15_c1_0"
#define ARM64_REG_KERNELKEYHI_EL1      "S3_4_c15_c1_1"

#define ARM64_REG_APIAKEYLO_EL1        "S3_0_c2_c1_0"
#define ARM64_REG_APIAKEYHI_EL1        "S3_0_c2_c1_1"
#define ARM64_REG_APIBKEYLO_EL1        "S3_0_c2_c1_2"
#define ARM64_REG_APIBKEYHI_EL1        "S3_0_c2_c1_3"

#define ARM64_REG_APDAKEYLO_EL1        "S3_0_c2_c2_0"
#define ARM64_REG_APDAKEYHI_EL1        "S3_0_c2_c2_1"
#define ARM64_REG_APDBKEYLO_EL1        "S3_0_c2_c2_2"
#define ARM64_REG_APDBKEYHI_EL1        "S3_0_c2_c2_3"

#define ARM64_REG_APGAKEYLO_EL1        "S3_0_c2_c3_0"
#define ARM64_REG_APGAKEYHI_EL1        "S3_0_c2_c3_1"
#endif /* ASSEMBLER */
#endif /* HAS_APPLE_PAC */

#if defined(HAS_VMSA_LOCK)

#define ARM64_REG_VMSA_LOCK_EL1 S3_4_c15_c1_2

#define VMSA_LOCK_VBAR_EL1      (1ULL << 0)
#define VMSA_LOCK_SCTLR_EL1     (1ULL << 1)
#define VMSA_LOCK_TCR_EL1       (1ULL << 2)
#define VMSA_LOCK_TTBR0_EL1     (1ULL << 3)
#define VMSA_LOCK_TTBR1_EL1     (1ULL << 4)
#define VMSA_LOCK_SCTLR_M_BIT   (1ULL << 63)

#endif /* HAS_VMSA_LOCK */



#define MPIDR_PNE_SHIFT 16 // pcore not ecore
#define MPIDR_PNE       (1 << MPIDR_PNE_SHIFT)



#ifdef ASSEMBLER

/*
 * arg0: register in which to store result
 *   0=>not a p-core, non-zero=>p-core
 */
.macro ARM64_IS_PCORE
#if defined(APPLEMONSOON) || HAS_CLUSTER
	mrs $0, MPIDR_EL1
	and $0, $0, #(MPIDR_PNE)
#endif /* defined(APPLEMONSOON) || HAS_CLUSTER */
.endmacro

/*
 * reads a special purpose register, using a different msr for e- vs. p-cores
 *   arg0: register indicating the current core type, see ARM64_IS_PCORE
 *   arg1: register in which to store the result of the read
 *   arg2: SPR to use for e-core
 *   arg3: SPR to use for p-core or non-AMP architecture
 */
.macro ARM64_READ_EP_SPR
#if defined(APPLEMONSOON) || HAS_CLUSTER
	cbnz $0, 1f
// e-core
	mrs  $1, $2
	b    2f
// p-core
1:
#endif /* defined(APPLEMONSOON) || HAS_CLUSTER */
	mrs  $1, $3
2:
.endmacro

/*
 * writes a special purpose register, using a different msr for e- vs. p-cores
 * arg0: register indicating the current core type, see ARM64_IS_PCORE
 * arg1: register containing the value to write
 * arg2: SPR to use for e-core
 * arg3: SPR to use for p-core or non-AMP architecture
 */
.macro ARM64_WRITE_EP_SPR
#if defined(APPLEMONSOON) || HAS_CLUSTER
	cbnz $0, 1f
// e-core
	msr  $2, $1
	b    2f
// p-core
1:
#endif /* defined(APPLEMONSOON) || HAS_CLUSTER */
	msr  $3, $1
2:
.endmacro

#endif /* ASSEMBLER */

#endif /* ! _PEXPERT_ARM_ARM64_H */