/* * Macros for accessing system registers with older binutils. * * Copyright (C) 2014 ARM Ltd. * Author: Catalin Marinas * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #ifndef __ASM_SYSREG_H #define __ASM_SYSREG_H #include #include /* * ARMv8 ARM reserves the following encoding for system registers: * (Ref: ARMv8 ARM, Section: "System instruction class encoding overview", * C5.2, version:ARM DDI 0487A.f) * [20-19] : Op0 * [18-16] : Op1 * [15-12] : CRn * [11-8] : CRm * [7-5] : Op2 */ #define Op0_shift 19 #define Op0_mask 0x3 #define Op1_shift 16 #define Op1_mask 0x7 #define CRn_shift 12 #define CRn_mask 0xf #define CRm_shift 8 #define CRm_mask 0xf #define Op2_shift 5 #define Op2_mask 0x7 #define sys_reg(op0, op1, crn, crm, op2) \ (((op0) << Op0_shift) | ((op1) << Op1_shift) | \ ((crn) << CRn_shift) | ((crm) << CRm_shift) | \ ((op2) << Op2_shift)) #define sys_insn sys_reg #define sys_reg_Op0(id) (((id) >> Op0_shift) & Op0_mask) #define sys_reg_Op1(id) (((id) >> Op1_shift) & Op1_mask) #define sys_reg_CRn(id) (((id) >> CRn_shift) & CRn_mask) #define sys_reg_CRm(id) (((id) >> CRm_shift) & CRm_mask) #define sys_reg_Op2(id) (((id) >> Op2_shift) & Op2_mask) #ifndef CONFIG_BROKEN_GAS_INST #ifdef __ASSEMBLY__ // The space separator is omitted so that __emit_inst(x) can be parsed as // either an assembler directive or an assembler macro argument. #define __emit_inst(x) .inst(x) #else #define __emit_inst(x) ".inst " __stringify((x)) "\n\t" #endif #else /* CONFIG_BROKEN_GAS_INST */ #ifndef CONFIG_CPU_BIG_ENDIAN #define __INSTR_BSWAP(x) (x) #else /* CONFIG_CPU_BIG_ENDIAN */ #define __INSTR_BSWAP(x) ((((x) << 24) & 0xff000000) | \ (((x) << 8) & 0x00ff0000) | \ (((x) >> 8) & 0x0000ff00) | \ (((x) >> 24) & 0x000000ff)) #endif /* CONFIG_CPU_BIG_ENDIAN */ #ifdef __ASSEMBLY__ #define __emit_inst(x) .long __INSTR_BSWAP(x) #else /* __ASSEMBLY__ */ #define __emit_inst(x) ".long " __stringify(__INSTR_BSWAP(x)) "\n\t" #endif /* __ASSEMBLY__ */ #endif /* CONFIG_BROKEN_GAS_INST */ /* * Instructions for modifying PSTATE fields. * As per Arm ARM for v8-A, Section "C.5.1.3 op0 == 0b00, architectural hints, * barriers and CLREX, and PSTATE access", ARM DDI 0487 C.a, system instructions * for accessing PSTATE fields have the following encoding: * Op0 = 0, CRn = 4 * Op1, Op2 encodes the PSTATE field modified and defines the constraints. * CRm = Imm4 for the instruction. * Rt = 0x1f */ #define pstate_field(op1, op2) ((op1) << Op1_shift | (op2) << Op2_shift) #define PSTATE_Imm_shift CRm_shift #define PSTATE_PAN pstate_field(0, 4) #define PSTATE_UAO pstate_field(0, 3) #define PSTATE_SSBS pstate_field(3, 1) #define SET_PSTATE_PAN(x) __emit_inst(0xd500401f | PSTATE_PAN | ((!!x) << PSTATE_Imm_shift)) #define SET_PSTATE_UAO(x) __emit_inst(0xd500401f | PSTATE_UAO | ((!!x) << PSTATE_Imm_shift)) #define SET_PSTATE_SSBS(x) __emit_inst(0xd500401f | PSTATE_SSBS | ((!!x) << PSTATE_Imm_shift)) #define SYS_DC_ISW sys_insn(1, 0, 7, 6, 2) #define SYS_DC_CSW sys_insn(1, 0, 7, 10, 2) #define SYS_DC_CISW sys_insn(1, 0, 7, 14, 2) #define SYS_OSDTRRX_EL1 sys_reg(2, 0, 0, 0, 2) #define SYS_MDCCINT_EL1 sys_reg(2, 0, 0, 2, 0) #define SYS_MDSCR_EL1 sys_reg(2, 0, 0, 2, 2) #define SYS_OSDTRTX_EL1 sys_reg(2, 0, 0, 3, 2) #define SYS_OSECCR_EL1 sys_reg(2, 0, 0, 6, 2) #define SYS_DBGBVRn_EL1(n) sys_reg(2, 0, 0, n, 4) #define SYS_DBGBCRn_EL1(n) sys_reg(2, 0, 0, n, 5) #define SYS_DBGWVRn_EL1(n) sys_reg(2, 0, 0, n, 6) #define SYS_DBGWCRn_EL1(n) sys_reg(2, 0, 0, n, 7) #define SYS_MDRAR_EL1 sys_reg(2, 0, 1, 0, 0) #define SYS_OSLAR_EL1 sys_reg(2, 0, 1, 0, 4) #define SYS_OSLSR_EL1 sys_reg(2, 0, 1, 1, 4) #define SYS_OSDLR_EL1 sys_reg(2, 0, 1, 3, 4) #define SYS_DBGPRCR_EL1 sys_reg(2, 0, 1, 4, 4) #define SYS_DBGCLAIMSET_EL1 sys_reg(2, 0, 7, 8, 6) #define SYS_DBGCLAIMCLR_EL1 sys_reg(2, 0, 7, 9, 6) #define SYS_DBGAUTHSTATUS_EL1 sys_reg(2, 0, 7, 14, 6) #define SYS_MDCCSR_EL0 sys_reg(2, 3, 0, 1, 0) #define SYS_DBGDTR_EL0 sys_reg(2, 3, 0, 4, 0) #define SYS_DBGDTRRX_EL0 sys_reg(2, 3, 0, 5, 0) #define SYS_DBGDTRTX_EL0 sys_reg(2, 3, 0, 5, 0) #define SYS_DBGVCR32_EL2 sys_reg(2, 4, 0, 7, 0) #define SYS_MIDR_EL1 sys_reg(3, 0, 0, 0, 0) #define SYS_MPIDR_EL1 sys_reg(3, 0, 0, 0, 5) #define SYS_REVIDR_EL1 sys_reg(3, 0, 0, 0, 6) #define SYS_ID_PFR0_EL1 sys_reg(3, 0, 0, 1, 0) #define SYS_ID_PFR1_EL1 sys_reg(3, 0, 0, 1, 1) #define SYS_ID_DFR0_EL1 sys_reg(3, 0, 0, 1, 2) #define SYS_ID_AFR0_EL1 sys_reg(3, 0, 0, 1, 3) #define SYS_ID_MMFR0_EL1 sys_reg(3, 0, 0, 1, 4) #define SYS_ID_MMFR1_EL1 sys_reg(3, 0, 0, 1, 5) #define SYS_ID_MMFR2_EL1 sys_reg(3, 0, 0, 1, 6) #define SYS_ID_MMFR3_EL1 sys_reg(3, 0, 0, 1, 7) #define SYS_ID_ISAR0_EL1 sys_reg(3, 0, 0, 2, 0) #define SYS_ID_ISAR1_EL1 sys_reg(3, 0, 0, 2, 1) #define SYS_ID_ISAR2_EL1 sys_reg(3, 0, 0, 2, 2) #define SYS_ID_ISAR3_EL1 sys_reg(3, 0, 0, 2, 3) #define SYS_ID_ISAR4_EL1 sys_reg(3, 0, 0, 2, 4) #define SYS_ID_ISAR5_EL1 sys_reg(3, 0, 0, 2, 5) #define SYS_ID_MMFR4_EL1 sys_reg(3, 0, 0, 2, 6) #define SYS_MVFR0_EL1 sys_reg(3, 0, 0, 3, 0) #define SYS_MVFR1_EL1 sys_reg(3, 0, 0, 3, 1) #define SYS_MVFR2_EL1 sys_reg(3, 0, 0, 3, 2) #define SYS_ID_AA64PFR0_EL1 sys_reg(3, 0, 0, 4, 0) #define SYS_ID_AA64PFR1_EL1 sys_reg(3, 0, 0, 4, 1) #define SYS_ID_AA64ZFR0_EL1 sys_reg(3, 0, 0, 4, 4) #define SYS_ID_AA64DFR0_EL1 sys_reg(3, 0, 0, 5, 0) #define SYS_ID_AA64DFR1_EL1 sys_reg(3, 0, 0, 5, 1) #define SYS_ID_AA64AFR0_EL1 sys_reg(3, 0, 0, 5, 4) #define SYS_ID_AA64AFR1_EL1 sys_reg(3, 0, 0, 5, 5) #define SYS_ID_AA64ISAR0_EL1 sys_reg(3, 0, 0, 6, 0) #define SYS_ID_AA64ISAR1_EL1 sys_reg(3, 0, 0, 6, 1) #define SYS_ID_AA64ISAR2_EL1 sys_reg(3, 0, 0, 6, 2) #define SYS_ID_AA64MMFR0_EL1 sys_reg(3, 0, 0, 7, 0) #define SYS_ID_AA64MMFR1_EL1 sys_reg(3, 0, 0, 7, 1) #define SYS_ID_AA64MMFR2_EL1 sys_reg(3, 0, 0, 7, 2) #define SYS_SCTLR_EL1 sys_reg(3, 0, 1, 0, 0) #define SYS_ACTLR_EL1 sys_reg(3, 0, 1, 0, 1) #define SYS_CPACR_EL1 sys_reg(3, 0, 1, 0, 2) #define SYS_ZCR_EL1 sys_reg(3, 0, 1, 2, 0) #define SYS_TTBR0_EL1 sys_reg(3, 0, 2, 0, 0) #define SYS_TTBR1_EL1 sys_reg(3, 0, 2, 0, 1) #define SYS_TCR_EL1 sys_reg(3, 0, 2, 0, 2) #define SYS_ICC_PMR_EL1 sys_reg(3, 0, 4, 6, 0) #define SYS_AFSR0_EL1 sys_reg(3, 0, 5, 1, 0) #define SYS_AFSR1_EL1 sys_reg(3, 0, 5, 1, 1) #define SYS_ESR_EL1 sys_reg(3, 0, 5, 2, 0) #define SYS_ERRIDR_EL1 sys_reg(3, 0, 5, 3, 0) #define SYS_ERRSELR_EL1 sys_reg(3, 0, 5, 3, 1) #define SYS_ERXFR_EL1 sys_reg(3, 0, 5, 4, 0) #define SYS_ERXCTLR_EL1 sys_reg(3, 0, 5, 4, 1) #define SYS_ERXSTATUS_EL1 sys_reg(3, 0, 5, 4, 2) #define SYS_ERXADDR_EL1 sys_reg(3, 0, 5, 4, 3) #define SYS_ERXMISC0_EL1 sys_reg(3, 0, 5, 5, 0) #define SYS_ERXMISC1_EL1 sys_reg(3, 0, 5, 5, 1) #define SYS_FAR_EL1 sys_reg(3, 0, 6, 0, 0) #define SYS_PAR_EL1 sys_reg(3, 0, 7, 4, 0) /*** Statistical Profiling Extension ***/ /* ID registers */ #define SYS_PMSIDR_EL1 sys_reg(3, 0, 9, 9, 7) #define SYS_PMSIDR_EL1_FE_SHIFT 0 #define SYS_PMSIDR_EL1_FT_SHIFT 1 #define SYS_PMSIDR_EL1_FL_SHIFT 2 #define SYS_PMSIDR_EL1_ARCHINST_SHIFT 3 #define SYS_PMSIDR_EL1_LDS_SHIFT 4 #define SYS_PMSIDR_EL1_ERND_SHIFT 5 #define SYS_PMSIDR_EL1_INTERVAL_SHIFT 8 #define SYS_PMSIDR_EL1_INTERVAL_MASK 0xfUL #define SYS_PMSIDR_EL1_MAXSIZE_SHIFT 12 #define SYS_PMSIDR_EL1_MAXSIZE_MASK 0xfUL #define SYS_PMSIDR_EL1_COUNTSIZE_SHIFT 16 #define SYS_PMSIDR_EL1_COUNTSIZE_MASK 0xfUL #define SYS_PMBIDR_EL1 sys_reg(3, 0, 9, 10, 7) #define SYS_PMBIDR_EL1_ALIGN_SHIFT 0 #define SYS_PMBIDR_EL1_ALIGN_MASK 0xfU #define SYS_PMBIDR_EL1_P_SHIFT 4 #define SYS_PMBIDR_EL1_F_SHIFT 5 /* Sampling controls */ #define SYS_PMSCR_EL1 sys_reg(3, 0, 9, 9, 0) #define SYS_PMSCR_EL1_E0SPE_SHIFT 0 #define SYS_PMSCR_EL1_E1SPE_SHIFT 1 #define SYS_PMSCR_EL1_CX_SHIFT 3 #define SYS_PMSCR_EL1_PA_SHIFT 4 #define SYS_PMSCR_EL1_TS_SHIFT 5 #define SYS_PMSCR_EL1_PCT_SHIFT 6 #define SYS_PMSCR_EL2 sys_reg(3, 4, 9, 9, 0) #define SYS_PMSCR_EL2_E0HSPE_SHIFT 0 #define SYS_PMSCR_EL2_E2SPE_SHIFT 1 #define SYS_PMSCR_EL2_CX_SHIFT 3 #define SYS_PMSCR_EL2_PA_SHIFT 4 #define SYS_PMSCR_EL2_TS_SHIFT 5 #define SYS_PMSCR_EL2_PCT_SHIFT 6 #define SYS_PMSICR_EL1 sys_reg(3, 0, 9, 9, 2) #define SYS_PMSIRR_EL1 sys_reg(3, 0, 9, 9, 3) #define SYS_PMSIRR_EL1_RND_SHIFT 0 #define SYS_PMSIRR_EL1_INTERVAL_SHIFT 8 #define SYS_PMSIRR_EL1_INTERVAL_MASK 0xffffffUL /* Filtering controls */ #define SYS_PMSFCR_EL1 sys_reg(3, 0, 9, 9, 4) #define SYS_PMSFCR_EL1_FE_SHIFT 0 #define SYS_PMSFCR_EL1_FT_SHIFT 1 #define SYS_PMSFCR_EL1_FL_SHIFT 2 #define SYS_PMSFCR_EL1_B_SHIFT 16 #define SYS_PMSFCR_EL1_LD_SHIFT 17 #define SYS_PMSFCR_EL1_ST_SHIFT 18 #define SYS_PMSEVFR_EL1 sys_reg(3, 0, 9, 9, 5) #define SYS_PMSEVFR_EL1_RES0 0x0000ffff00ff0f55UL #define SYS_PMSLATFR_EL1 sys_reg(3, 0, 9, 9, 6) #define SYS_PMSLATFR_EL1_MINLAT_SHIFT 0 /* Buffer controls */ #define SYS_PMBLIMITR_EL1 sys_reg(3, 0, 9, 10, 0) #define SYS_PMBLIMITR_EL1_E_SHIFT 0 #define SYS_PMBLIMITR_EL1_FM_SHIFT 1 #define SYS_PMBLIMITR_EL1_FM_MASK 0x3UL #define SYS_PMBLIMITR_EL1_FM_STOP_IRQ (0 << SYS_PMBLIMITR_EL1_FM_SHIFT) #define SYS_PMBPTR_EL1 sys_reg(3, 0, 9, 10, 1) /* Buffer error reporting */ #define SYS_PMBSR_EL1 sys_reg(3, 0, 9, 10, 3) #define SYS_PMBSR_EL1_COLL_SHIFT 16 #define SYS_PMBSR_EL1_S_SHIFT 17 #define SYS_PMBSR_EL1_EA_SHIFT 18 #define SYS_PMBSR_EL1_DL_SHIFT 19 #define SYS_PMBSR_EL1_EC_SHIFT 26 #define SYS_PMBSR_EL1_EC_MASK 0x3fUL #define SYS_PMBSR_EL1_EC_BUF (0x0UL << SYS_PMBSR_EL1_EC_SHIFT) #define SYS_PMBSR_EL1_EC_FAULT_S1 (0x24UL << SYS_PMBSR_EL1_EC_SHIFT) #define SYS_PMBSR_EL1_EC_FAULT_S2 (0x25UL << SYS_PMBSR_EL1_EC_SHIFT) #define SYS_PMBSR_EL1_FAULT_FSC_SHIFT 0 #define SYS_PMBSR_EL1_FAULT_FSC_MASK 0x3fUL #define SYS_PMBSR_EL1_BUF_BSC_SHIFT 0 #define SYS_PMBSR_EL1_BUF_BSC_MASK 0x3fUL #define SYS_PMBSR_EL1_BUF_BSC_FULL (0x1UL << SYS_PMBSR_EL1_BUF_BSC_SHIFT) /*** End of Statistical Profiling Extension ***/ #define SYS_PMINTENSET_EL1 sys_reg(3, 0, 9, 14, 1) #define SYS_PMINTENCLR_EL1 sys_reg(3, 0, 9, 14, 2) #define SYS_MAIR_EL1 sys_reg(3, 0, 10, 2, 0) #define SYS_AMAIR_EL1 sys_reg(3, 0, 10, 3, 0) #define SYS_LORSA_EL1 sys_reg(3, 0, 10, 4, 0) #define SYS_LOREA_EL1 sys_reg(3, 0, 10, 4, 1) #define SYS_LORN_EL1 sys_reg(3, 0, 10, 4, 2) #define SYS_LORC_EL1 sys_reg(3, 0, 10, 4, 3) #define SYS_LORID_EL1 sys_reg(3, 0, 10, 4, 7) #define SYS_VBAR_EL1 sys_reg(3, 0, 12, 0, 0) #define SYS_DISR_EL1 sys_reg(3, 0, 12, 1, 1) #define SYS_ICC_IAR0_EL1 sys_reg(3, 0, 12, 8, 0) #define SYS_ICC_EOIR0_EL1 sys_reg(3, 0, 12, 8, 1) #define SYS_ICC_HPPIR0_EL1 sys_reg(3, 0, 12, 8, 2) #define SYS_ICC_BPR0_EL1 sys_reg(3, 0, 12, 8, 3) #define SYS_ICC_AP0Rn_EL1(n) sys_reg(3, 0, 12, 8, 4 | n) #define SYS_ICC_AP0R0_EL1 SYS_ICC_AP0Rn_EL1(0) #define SYS_ICC_AP0R1_EL1 SYS_ICC_AP0Rn_EL1(1) #define SYS_ICC_AP0R2_EL1 SYS_ICC_AP0Rn_EL1(2) #define SYS_ICC_AP0R3_EL1 SYS_ICC_AP0Rn_EL1(3) #define SYS_ICC_AP1Rn_EL1(n) sys_reg(3, 0, 12, 9, n) #define SYS_ICC_AP1R0_EL1 SYS_ICC_AP1Rn_EL1(0) #define SYS_ICC_AP1R1_EL1 SYS_ICC_AP1Rn_EL1(1) #define SYS_ICC_AP1R2_EL1 SYS_ICC_AP1Rn_EL1(2) #define SYS_ICC_AP1R3_EL1 SYS_ICC_AP1Rn_EL1(3) #define SYS_ICC_DIR_EL1 sys_reg(3, 0, 12, 11, 1) #define SYS_ICC_RPR_EL1 sys_reg(3, 0, 12, 11, 3) #define SYS_ICC_SGI1R_EL1 sys_reg(3, 0, 12, 11, 5) #define SYS_ICC_ASGI1R_EL1 sys_reg(3, 0, 12, 11, 6) #define SYS_ICC_SGI0R_EL1 sys_reg(3, 0, 12, 11, 7) #define SYS_ICC_IAR1_EL1 sys_reg(3, 0, 12, 12, 0) #define SYS_ICC_EOIR1_EL1 sys_reg(3, 0, 12, 12, 1) #define SYS_ICC_HPPIR1_EL1 sys_reg(3, 0, 12, 12, 2) #define SYS_ICC_BPR1_EL1 sys_reg(3, 0, 12, 12, 3) #define SYS_ICC_CTLR_EL1 sys_reg(3, 0, 12, 12, 4) #define SYS_ICC_SRE_EL1 sys_reg(3, 0, 12, 12, 5) #define SYS_ICC_IGRPEN0_EL1 sys_reg(3, 0, 12, 12, 6) #define SYS_ICC_IGRPEN1_EL1 sys_reg(3, 0, 12, 12, 7) #define SYS_CONTEXTIDR_EL1 sys_reg(3, 0, 13, 0, 1) #define SYS_TPIDR_EL1 sys_reg(3, 0, 13, 0, 4) #define SYS_CNTKCTL_EL1 sys_reg(3, 0, 14, 1, 0) #define SYS_CLIDR_EL1 sys_reg(3, 1, 0, 0, 1) #define SYS_AIDR_EL1 sys_reg(3, 1, 0, 0, 7) #define SYS_CSSELR_EL1 sys_reg(3, 2, 0, 0, 0) #define SYS_CTR_EL0 sys_reg(3, 3, 0, 0, 1) #define SYS_DCZID_EL0 sys_reg(3, 3, 0, 0, 7) #define SYS_PMCR_EL0 sys_reg(3, 3, 9, 12, 0) #define SYS_PMCNTENSET_EL0 sys_reg(3, 3, 9, 12, 1) #define SYS_PMCNTENCLR_EL0 sys_reg(3, 3, 9, 12, 2) #define SYS_PMOVSCLR_EL0 sys_reg(3, 3, 9, 12, 3) #define SYS_PMSWINC_EL0 sys_reg(3, 3, 9, 12, 4) #define SYS_PMSELR_EL0 sys_reg(3, 3, 9, 12, 5) #define SYS_PMCEID0_EL0 sys_reg(3, 3, 9, 12, 6) #define SYS_PMCEID1_EL0 sys_reg(3, 3, 9, 12, 7) #define SYS_PMCCNTR_EL0 sys_reg(3, 3, 9, 13, 0) #define SYS_PMXEVTYPER_EL0 sys_reg(3, 3, 9, 13, 1) #define SYS_PMXEVCNTR_EL0 sys_reg(3, 3, 9, 13, 2) #define SYS_PMUSERENR_EL0 sys_reg(3, 3, 9, 14, 0) #define SYS_PMOVSSET_EL0 sys_reg(3, 3, 9, 14, 3) #define SYS_TPIDR_EL0 sys_reg(3, 3, 13, 0, 2) #define SYS_TPIDRRO_EL0 sys_reg(3, 3, 13, 0, 3) #define SYS_CNTFRQ_EL0 sys_reg(3, 3, 14, 0, 0) #define SYS_CNTP_TVAL_EL0 sys_reg(3, 3, 14, 2, 0) #define SYS_CNTP_CTL_EL0 sys_reg(3, 3, 14, 2, 1) #define SYS_CNTP_CVAL_EL0 sys_reg(3, 3, 14, 2, 2) #define __PMEV_op2(n) ((n) & 0x7) #define __CNTR_CRm(n) (0x8 | (((n) >> 3) & 0x3)) #define SYS_PMEVCNTRn_EL0(n) sys_reg(3, 3, 14, __CNTR_CRm(n), __PMEV_op2(n)) #define __TYPER_CRm(n) (0xc | (((n) >> 3) & 0x3)) #define SYS_PMEVTYPERn_EL0(n) sys_reg(3, 3, 14, __TYPER_CRm(n), __PMEV_op2(n)) #define SYS_PMCCFILTR_EL0 sys_reg (3, 3, 14, 15, 7) #define SYS_ZCR_EL2 sys_reg(3, 4, 1, 2, 0) #define SYS_DACR32_EL2 sys_reg(3, 4, 3, 0, 0) #define SYS_IFSR32_EL2 sys_reg(3, 4, 5, 0, 1) #define SYS_VSESR_EL2 sys_reg(3, 4, 5, 2, 3) #define SYS_FPEXC32_EL2 sys_reg(3, 4, 5, 3, 0) #define SYS_VDISR_EL2 sys_reg(3, 4, 12, 1, 1) #define __SYS__AP0Rx_EL2(x) sys_reg(3, 4, 12, 8, x) #define SYS_ICH_AP0R0_EL2 __SYS__AP0Rx_EL2(0) #define SYS_ICH_AP0R1_EL2 __SYS__AP0Rx_EL2(1) #define SYS_ICH_AP0R2_EL2 __SYS__AP0Rx_EL2(2) #define SYS_ICH_AP0R3_EL2 __SYS__AP0Rx_EL2(3) #define __SYS__AP1Rx_EL2(x) sys_reg(3, 4, 12, 9, x) #define SYS_ICH_AP1R0_EL2 __SYS__AP1Rx_EL2(0) #define SYS_ICH_AP1R1_EL2 __SYS__AP1Rx_EL2(1) #define SYS_ICH_AP1R2_EL2 __SYS__AP1Rx_EL2(2) #define SYS_ICH_AP1R3_EL2 __SYS__AP1Rx_EL2(3) #define SYS_ICH_VSEIR_EL2 sys_reg(3, 4, 12, 9, 4) #define SYS_ICC_SRE_EL2 sys_reg(3, 4, 12, 9, 5) #define SYS_ICH_HCR_EL2 sys_reg(3, 4, 12, 11, 0) #define SYS_ICH_VTR_EL2 sys_reg(3, 4, 12, 11, 1) #define SYS_ICH_MISR_EL2 sys_reg(3, 4, 12, 11, 2) #define SYS_ICH_EISR_EL2 sys_reg(3, 4, 12, 11, 3) #define SYS_ICH_ELSR_EL2 sys_reg(3, 4, 12, 11, 5) #define SYS_ICH_VMCR_EL2 sys_reg(3, 4, 12, 11, 7) #define __SYS__LR0_EL2(x) sys_reg(3, 4, 12, 12, x) #define SYS_ICH_LR0_EL2 __SYS__LR0_EL2(0) #define SYS_ICH_LR1_EL2 __SYS__LR0_EL2(1) #define SYS_ICH_LR2_EL2 __SYS__LR0_EL2(2) #define SYS_ICH_LR3_EL2 __SYS__LR0_EL2(3) #define SYS_ICH_LR4_EL2 __SYS__LR0_EL2(4) #define SYS_ICH_LR5_EL2 __SYS__LR0_EL2(5) #define SYS_ICH_LR6_EL2 __SYS__LR0_EL2(6) #define SYS_ICH_LR7_EL2 __SYS__LR0_EL2(7) #define __SYS__LR8_EL2(x) sys_reg(3, 4, 12, 13, x) #define SYS_ICH_LR8_EL2 __SYS__LR8_EL2(0) #define SYS_ICH_LR9_EL2 __SYS__LR8_EL2(1) #define SYS_ICH_LR10_EL2 __SYS__LR8_EL2(2) #define SYS_ICH_LR11_EL2 __SYS__LR8_EL2(3) #define SYS_ICH_LR12_EL2 __SYS__LR8_EL2(4) #define SYS_ICH_LR13_EL2 __SYS__LR8_EL2(5) #define SYS_ICH_LR14_EL2 __SYS__LR8_EL2(6) #define SYS_ICH_LR15_EL2 __SYS__LR8_EL2(7) /* Common SCTLR_ELx flags. */ #define SCTLR_ELx_DSSBS (1UL << 44) #define SCTLR_ELx_EE (1 << 25) #define SCTLR_ELx_IESB (1 << 21) #define SCTLR_ELx_WXN (1 << 19) #define SCTLR_ELx_I (1 << 12) #define SCTLR_ELx_SA (1 << 3) #define SCTLR_ELx_C (1 << 2) #define SCTLR_ELx_A (1 << 1) #define SCTLR_ELx_M 1 #define SCTLR_ELx_FLAGS (SCTLR_ELx_M | SCTLR_ELx_A | SCTLR_ELx_C | \ SCTLR_ELx_SA | SCTLR_ELx_I | SCTLR_ELx_IESB) /* SCTLR_EL2 specific flags. */ #define SCTLR_EL2_RES1 ((1 << 4) | (1 << 5) | (1 << 11) | (1 << 16) | \ (1 << 18) | (1 << 22) | (1 << 23) | (1 << 28) | \ (1 << 29)) #define SCTLR_EL2_RES0 ((1 << 6) | (1 << 7) | (1 << 8) | (1 << 9) | \ (1 << 10) | (1 << 13) | (1 << 14) | (1 << 15) | \ (1 << 17) | (1 << 20) | (1 << 24) | (1 << 26) | \ (1 << 27) | (1 << 30) | (1 << 31) | \ (0xffffefffUL << 32)) #ifdef CONFIG_CPU_BIG_ENDIAN #define ENDIAN_SET_EL2 SCTLR_ELx_EE #define ENDIAN_CLEAR_EL2 0 #else #define ENDIAN_SET_EL2 0 #define ENDIAN_CLEAR_EL2 SCTLR_ELx_EE #endif /* SCTLR_EL2 value used for the hyp-stub */ #define SCTLR_EL2_SET (SCTLR_ELx_IESB | ENDIAN_SET_EL2 | SCTLR_EL2_RES1) #define SCTLR_EL2_CLEAR (SCTLR_ELx_M | SCTLR_ELx_A | SCTLR_ELx_C | \ SCTLR_ELx_SA | SCTLR_ELx_I | SCTLR_ELx_WXN | \ SCTLR_ELx_DSSBS | ENDIAN_CLEAR_EL2 | SCTLR_EL2_RES0) #if (SCTLR_EL2_SET ^ SCTLR_EL2_CLEAR) != 0xffffffffffffffff #error "Inconsistent SCTLR_EL2 set/clear bits" #endif /* SCTLR_EL1 specific flags. */ #define SCTLR_EL1_UCI (1 << 26) #define SCTLR_EL1_E0E (1 << 24) #define SCTLR_EL1_SPAN (1 << 23) #define SCTLR_EL1_NTWE (1 << 18) #define SCTLR_EL1_NTWI (1 << 16) #define SCTLR_EL1_UCT (1 << 15) #define SCTLR_EL1_DZE (1 << 14) #define SCTLR_EL1_UMA (1 << 9) #define SCTLR_EL1_SED (1 << 8) #define SCTLR_EL1_ITD (1 << 7) #define SCTLR_EL1_CP15BEN (1 << 5) #define SCTLR_EL1_SA0 (1 << 4) #define SCTLR_EL1_RES1 ((1 << 11) | (1 << 20) | (1 << 22) | (1 << 28) | \ (1 << 29)) #define SCTLR_EL1_RES0 ((1 << 6) | (1 << 10) | (1 << 13) | (1 << 17) | \ (1 << 27) | (1 << 30) | (1 << 31) | \ (0xffffefffUL << 32)) #ifdef CONFIG_CPU_BIG_ENDIAN #define ENDIAN_SET_EL1 (SCTLR_EL1_E0E | SCTLR_ELx_EE) #define ENDIAN_CLEAR_EL1 0 #else #define ENDIAN_SET_EL1 0 #define ENDIAN_CLEAR_EL1 (SCTLR_EL1_E0E | SCTLR_ELx_EE) #endif #define SCTLR_EL1_SET (SCTLR_ELx_M | SCTLR_ELx_C | SCTLR_ELx_SA |\ SCTLR_EL1_SA0 | SCTLR_EL1_SED | SCTLR_ELx_I |\ SCTLR_EL1_DZE | SCTLR_EL1_UCT | SCTLR_EL1_NTWI |\ SCTLR_EL1_NTWE | SCTLR_ELx_IESB | SCTLR_EL1_SPAN |\ ENDIAN_SET_EL1 | SCTLR_EL1_UCI | SCTLR_EL1_RES1) #define SCTLR_EL1_CLEAR (SCTLR_ELx_A | SCTLR_EL1_CP15BEN | SCTLR_EL1_ITD |\ SCTLR_EL1_UMA | SCTLR_ELx_WXN | ENDIAN_CLEAR_EL1 |\ SCTLR_ELx_DSSBS | SCTLR_EL1_RES0) #if (SCTLR_EL1_SET ^ SCTLR_EL1_CLEAR) != 0xffffffffffffffff #error "Inconsistent SCTLR_EL1 set/clear bits" #endif /* id_aa64isar0 */ #define ID_AA64ISAR0_TS_SHIFT 52 #define ID_AA64ISAR0_FHM_SHIFT 48 #define ID_AA64ISAR0_DP_SHIFT 44 #define ID_AA64ISAR0_SM4_SHIFT 40 #define ID_AA64ISAR0_SM3_SHIFT 36 #define ID_AA64ISAR0_SHA3_SHIFT 32 #define ID_AA64ISAR0_RDM_SHIFT 28 #define ID_AA64ISAR0_ATOMICS_SHIFT 20 #define ID_AA64ISAR0_CRC32_SHIFT 16 #define ID_AA64ISAR0_SHA2_SHIFT 12 #define ID_AA64ISAR0_SHA1_SHIFT 8 #define ID_AA64ISAR0_AES_SHIFT 4 /* id_aa64isar1 */ #define ID_AA64ISAR1_LRCPC_SHIFT 20 #define ID_AA64ISAR1_FCMA_SHIFT 16 #define ID_AA64ISAR1_JSCVT_SHIFT 12 #define ID_AA64ISAR1_DPB_SHIFT 0 /* id_aa64isar2 */ #define ID_AA64ISAR2_CLEARBHB_SHIFT 28 /* id_aa64pfr0 */ #define ID_AA64PFR0_CSV3_SHIFT 60 #define ID_AA64PFR0_CSV2_SHIFT 56 #define ID_AA64PFR0_DIT_SHIFT 48 #define ID_AA64PFR0_SVE_SHIFT 32 #define ID_AA64PFR0_RAS_SHIFT 28 #define ID_AA64PFR0_GIC_SHIFT 24 #define ID_AA64PFR0_ASIMD_SHIFT 20 #define ID_AA64PFR0_FP_SHIFT 16 #define ID_AA64PFR0_EL3_SHIFT 12 #define ID_AA64PFR0_EL2_SHIFT 8 #define ID_AA64PFR0_EL1_SHIFT 4 #define ID_AA64PFR0_EL0_SHIFT 0 #define ID_AA64PFR0_SVE 0x1 #define ID_AA64PFR0_RAS_V1 0x1 #define ID_AA64PFR0_FP_NI 0xf #define ID_AA64PFR0_FP_SUPPORTED 0x0 #define ID_AA64PFR0_ASIMD_NI 0xf #define ID_AA64PFR0_ASIMD_SUPPORTED 0x0 #define ID_AA64PFR0_EL1_64BIT_ONLY 0x1 #define ID_AA64PFR0_EL0_64BIT_ONLY 0x1 #define ID_AA64PFR0_EL0_32BIT_64BIT 0x2 /* id_aa64pfr1 */ #define ID_AA64PFR1_SSBS_SHIFT 4 #define ID_AA64PFR1_SSBS_PSTATE_NI 0 #define ID_AA64PFR1_SSBS_PSTATE_ONLY 1 #define ID_AA64PFR1_SSBS_PSTATE_INSNS 2 /* id_aa64mmfr0 */ #define ID_AA64MMFR0_TGRAN4_SHIFT 28 #define ID_AA64MMFR0_TGRAN64_SHIFT 24 #define ID_AA64MMFR0_TGRAN16_SHIFT 20 #define ID_AA64MMFR0_BIGENDEL0_SHIFT 16 #define ID_AA64MMFR0_SNSMEM_SHIFT 12 #define ID_AA64MMFR0_BIGENDEL_SHIFT 8 #define ID_AA64MMFR0_ASID_SHIFT 4 #define ID_AA64MMFR0_PARANGE_SHIFT 0 #define ID_AA64MMFR0_TGRAN4_NI 0xf #define ID_AA64MMFR0_TGRAN4_SUPPORTED 0x0 #define ID_AA64MMFR0_TGRAN64_NI 0xf #define ID_AA64MMFR0_TGRAN64_SUPPORTED 0x0 #define ID_AA64MMFR0_TGRAN16_NI 0x0 #define ID_AA64MMFR0_TGRAN16_SUPPORTED 0x1 #define ID_AA64MMFR0_PARANGE_48 0x5 #define ID_AA64MMFR0_PARANGE_52 0x6 #ifdef CONFIG_ARM64_PA_BITS_52 #define ID_AA64MMFR0_PARANGE_MAX ID_AA64MMFR0_PARANGE_52 #else #define ID_AA64MMFR0_PARANGE_MAX ID_AA64MMFR0_PARANGE_48 #endif /* id_aa64mmfr1 */ #define ID_AA64MMFR1_ECBHB_SHIFT 60 #define ID_AA64MMFR1_PAN_SHIFT 20 #define ID_AA64MMFR1_LOR_SHIFT 16 #define ID_AA64MMFR1_HPD_SHIFT 12 #define ID_AA64MMFR1_VHE_SHIFT 8 #define ID_AA64MMFR1_VMIDBITS_SHIFT 4 #define ID_AA64MMFR1_HADBS_SHIFT 0 #define ID_AA64MMFR1_VMIDBITS_8 0 #define ID_AA64MMFR1_VMIDBITS_16 2 /* id_aa64mmfr2 */ #define ID_AA64MMFR2_FWB_SHIFT 40 #define ID_AA64MMFR2_AT_SHIFT 32 #define ID_AA64MMFR2_LVA_SHIFT 16 #define ID_AA64MMFR2_IESB_SHIFT 12 #define ID_AA64MMFR2_LSM_SHIFT 8 #define ID_AA64MMFR2_UAO_SHIFT 4 #define ID_AA64MMFR2_CNP_SHIFT 0 /* id_aa64dfr0 */ #define ID_AA64DFR0_PMSVER_SHIFT 32 #define ID_AA64DFR0_CTX_CMPS_SHIFT 28 #define ID_AA64DFR0_WRPS_SHIFT 20 #define ID_AA64DFR0_BRPS_SHIFT 12 #define ID_AA64DFR0_PMUVER_SHIFT 8 #define ID_AA64DFR0_TRACEVER_SHIFT 4 #define ID_AA64DFR0_DEBUGVER_SHIFT 0 #define ID_ISAR5_RDM_SHIFT 24 #define ID_ISAR5_CRC32_SHIFT 16 #define ID_ISAR5_SHA2_SHIFT 12 #define ID_ISAR5_SHA1_SHIFT 8 #define ID_ISAR5_AES_SHIFT 4 #define ID_ISAR5_SEVL_SHIFT 0 #define MVFR0_FPROUND_SHIFT 28 #define MVFR0_FPSHVEC_SHIFT 24 #define MVFR0_FPSQRT_SHIFT 20 #define MVFR0_FPDIVIDE_SHIFT 16 #define MVFR0_FPTRAP_SHIFT 12 #define MVFR0_FPDP_SHIFT 8 #define MVFR0_FPSP_SHIFT 4 #define MVFR0_SIMD_SHIFT 0 #define MVFR1_SIMDFMAC_SHIFT 28 #define MVFR1_FPHP_SHIFT 24 #define MVFR1_SIMDHP_SHIFT 20 #define MVFR1_SIMDSP_SHIFT 16 #define MVFR1_SIMDINT_SHIFT 12 #define MVFR1_SIMDLS_SHIFT 8 #define MVFR1_FPDNAN_SHIFT 4 #define MVFR1_FPFTZ_SHIFT 0 #define ID_AA64MMFR0_TGRAN4_SHIFT 28 #define ID_AA64MMFR0_TGRAN64_SHIFT 24 #define ID_AA64MMFR0_TGRAN16_SHIFT 20 #define ID_AA64MMFR0_TGRAN4_NI 0xf #define ID_AA64MMFR0_TGRAN4_SUPPORTED 0x0 #define ID_AA64MMFR0_TGRAN64_NI 0xf #define ID_AA64MMFR0_TGRAN64_SUPPORTED 0x0 #define ID_AA64MMFR0_TGRAN16_NI 0x0 #define ID_AA64MMFR0_TGRAN16_SUPPORTED 0x1 #if defined(CONFIG_ARM64_4K_PAGES) #define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN4_SHIFT #define ID_AA64MMFR0_TGRAN_SUPPORTED ID_AA64MMFR0_TGRAN4_SUPPORTED #elif defined(CONFIG_ARM64_16K_PAGES) #define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN16_SHIFT #define ID_AA64MMFR0_TGRAN_SUPPORTED ID_AA64MMFR0_TGRAN16_SUPPORTED #elif defined(CONFIG_ARM64_64K_PAGES) #define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN64_SHIFT #define ID_AA64MMFR0_TGRAN_SUPPORTED ID_AA64MMFR0_TGRAN64_SUPPORTED #endif /* * The ZCR_ELx_LEN_* definitions intentionally include bits [8:4] which * are reserved by the SVE architecture for future expansion of the LEN * field, with compatible semantics. */ #define ZCR_ELx_LEN_SHIFT 0 #define ZCR_ELx_LEN_SIZE 9 #define ZCR_ELx_LEN_MASK 0x1ff #define CPACR_EL1_ZEN_EL1EN (1 << 16) /* enable EL1 access */ #define CPACR_EL1_ZEN_EL0EN (1 << 17) /* enable EL0 access, if EL1EN set */ #define CPACR_EL1_ZEN (CPACR_EL1_ZEN_EL1EN | CPACR_EL1_ZEN_EL0EN) /* Safe value for MPIDR_EL1: Bit31:RES1, Bit30:U:0, Bit24:MT:0 */ #define SYS_MPIDR_SAFE_VAL (1UL << 31) #ifdef __ASSEMBLY__ .irp num,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30 .equ .L__reg_num_x\num, \num .endr .equ .L__reg_num_xzr, 31 .macro mrs_s, rt, sreg __emit_inst(0xd5200000|(\sreg)|(.L__reg_num_\rt)) .endm .macro msr_s, sreg, rt __emit_inst(0xd5000000|(\sreg)|(.L__reg_num_\rt)) .endm #else #include #include #define __DEFINE_MRS_MSR_S_REGNUM \ " .irp num,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30\n" \ " .equ .L__reg_num_x\\num, \\num\n" \ " .endr\n" \ " .equ .L__reg_num_xzr, 31\n" #define DEFINE_MRS_S \ __DEFINE_MRS_MSR_S_REGNUM \ " .macro mrs_s, rt, sreg\n" \ __emit_inst(0xd5200000|(\\sreg)|(.L__reg_num_\\rt)) \ " .endm\n" #define DEFINE_MSR_S \ __DEFINE_MRS_MSR_S_REGNUM \ " .macro msr_s, sreg, rt\n" \ __emit_inst(0xd5000000|(\\sreg)|(.L__reg_num_\\rt)) \ " .endm\n" #define UNDEFINE_MRS_S \ " .purgem mrs_s\n" #define UNDEFINE_MSR_S \ " .purgem msr_s\n" #define __mrs_s(v, r) \ DEFINE_MRS_S \ " mrs_s " v ", " __stringify(r) "\n" \ UNDEFINE_MRS_S #define __msr_s(r, v) \ DEFINE_MSR_S \ " msr_s " __stringify(r) ", " v "\n" \ UNDEFINE_MSR_S /* * Unlike read_cpuid, calls to read_sysreg are never expected to be * optimized away or replaced with synthetic values. */ #define read_sysreg(r) ({ \ u64 __val; \ asm volatile("mrs %0, " __stringify(r) : "=r" (__val)); \ __val; \ }) /* * Modify bits in a sysreg. Bits in the clear mask are zeroed, then bits in the * set mask are set. Other bits are left as-is. */ #define sysreg_clear_set(sysreg, clear, set) do { \ u64 __scs_val = read_sysreg(sysreg); \ u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set); \ if (__scs_new != __scs_val) \ write_sysreg(__scs_new, sysreg); \ } while (0) /* * The "Z" constraint normally means a zero immediate, but when combined with * the "%x0" template means XZR. */ #define write_sysreg(v, r) do { \ u64 __val = (u64)(v); \ asm volatile("msr " __stringify(r) ", %x0" \ : : "rZ" (__val)); \ } while (0) /* * For registers without architectural names, or simply unsupported by * GAS. */ #define read_sysreg_s(r) ({ \ u64 __val; \ asm volatile(__mrs_s("%0", r) : "=r" (__val)); \ __val; \ }) #define write_sysreg_s(v, r) do { \ u64 __val = (u64)(v); \ asm volatile(__msr_s(r, "%x0") : : "rZ" (__val)); \ } while (0) /* * Modify bits in a sysreg. Bits in the clear mask are zeroed, then bits in the * set mask are set. Other bits are left as-is. */ #define sysreg_clear_set(sysreg, clear, set) do { \ u64 __scs_val = read_sysreg(sysreg); \ u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set); \ if (__scs_new != __scs_val) \ write_sysreg(__scs_new, sysreg); \ } while (0) #endif #endif /* __ASM_SYSREG_H */