| /* |
| * Macros for accessing system registers with older binutils. |
| * |
| * Copyright (C) 2014 ARM Ltd. |
| * Author: Catalin Marinas <catalin.marinas@arm.com> |
| * |
| * 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 <http://www.gnu.org/licenses/>. |
| */ |
| |
| #ifndef __ASM_SYSREG_H |
| #define __ASM_SYSREG_H |
| |
| #include <linux/stringify.h> |
| |
| /* |
| * 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__ |
| #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 */ |
| |
| #define REG_PSTATE_PAN_IMM sys_reg(0, 0, 4, 0, 4) |
| #define REG_PSTATE_UAO_IMM sys_reg(0, 0, 4, 0, 3) |
| |
| #define SET_PSTATE_PAN(x) __emit_inst(0xd5000000 | REG_PSTATE_PAN_IMM | \ |
| (!!x)<<8 | 0x1f) |
| #define SET_PSTATE_UAO(x) __emit_inst(0xd5000000 | REG_PSTATE_UAO_IMM | \ |
| (!!x)<<8 | 0x1f) |
| |
| #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_AA64DFR0_EL1 sys_reg(3, 0, 0, 5, 0) |
| #define SYS_ID_AA64DFR1_EL1 sys_reg(3, 0, 0, 5, 1) |
| |
| #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_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_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_FAR_EL1 sys_reg(3, 0, 6, 0, 0) |
| #define SYS_PAR_EL1 sys_reg(3, 0, 7, 4, 0) |
| |
| #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_VBAR_EL1 sys_reg(3, 0, 12, 0, 0) |
| |
| #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_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_DACR32_EL2 sys_reg(3, 4, 3, 0, 0) |
| #define SYS_IFSR32_EL2 sys_reg(3, 4, 5, 0, 1) |
| #define SYS_FPEXC32_EL2 sys_reg(3, 4, 5, 3, 0) |
| |
| #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_EE (1 << 25) |
| #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_EL2_RES1 ((1 << 4) | (1 << 5) | (1 << 11) | (1 << 16) | \ |
| (1 << 18) | (1 << 22) | (1 << 23) | (1 << 28) | \ |
| (1 << 29)) |
| |
| #define SCTLR_ELx_FLAGS (SCTLR_ELx_M | SCTLR_ELx_A | SCTLR_ELx_C | \ |
| SCTLR_ELx_SA | SCTLR_ELx_I) |
| |
| /* SCTLR_EL1 specific flags. */ |
| #define SCTLR_EL1_UCI (1 << 26) |
| #define SCTLR_EL1_SPAN (1 << 23) |
| #define SCTLR_EL1_UCT (1 << 15) |
| #define SCTLR_EL1_SED (1 << 8) |
| #define SCTLR_EL1_CP15BEN (1 << 5) |
| |
| /* id_aa64isar0 */ |
| #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_aa64pfr0 */ |
| #define ID_AA64PFR0_CSV3_SHIFT 60 |
| #define ID_AA64PFR0_CSV2_SHIFT 56 |
| #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_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_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 |
| |
| /* id_aa64mmfr1 */ |
| #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_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 |
| |
| |
| /* 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 <linux/types.h> |
| |
| asm( |
| " .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" |
| "\n" |
| " .macro mrs_s, rt, sreg\n" |
| __emit_inst(0xd5200000|(\\sreg)|(.L__reg_num_\\rt)) |
| " .endm\n" |
| "\n" |
| " .macro msr_s, sreg, rt\n" |
| __emit_inst(0xd5000000|(\\sreg)|(.L__reg_num_\\rt)) |
| " .endm\n" |
| ); |
| |
| /* |
| * 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; \ |
| }) |
| |
| /* |
| * 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, " __stringify(r) : "=r" (__val)); \ |
| __val; \ |
| }) |
| |
| #define write_sysreg_s(v, r) do { \ |
| u64 __val = (u64)(v); \ |
| asm volatile("msr_s " __stringify(r) ", %x0" : : "rZ" (__val)); \ |
| } while (0) |
| |
| static inline void config_sctlr_el1(u32 clear, u32 set) |
| { |
| u32 val; |
| |
| val = read_sysreg(sctlr_el1); |
| val &= ~clear; |
| val |= set; |
| write_sysreg(val, sctlr_el1); |
| } |
| |
| #endif |
| |
| #endif /* __ASM_SYSREG_H */ |
