m1n1/src/arm_cpu_regs.h

/* SPDX-License-Identifier: MIT */

#include "types.h"

#define SYS_ACTLR_EL1 sys_reg(3, 0, 1, 0, 1)
#define SYS_ACTLR_EL2 sys_reg(3, 4, 1, 0, 1)
#define SYS_ACTLR_EL3 sys_reg(3, 6, 1, 0, 1)

#define SYS_CNTHCTL_EL2 sys_reg(3, 4, 14, 1, 0)
// HCR_EL2.E2H == 1
#define CNTHCTL_EVNTIS   BIT(17)
#define CNTHCTL_EL1NVVCT BIT(16)
#define CNTHCTL_EL1NVPCT BIT(15)
#define CNTHCTL_EL1TVCT  BIT(14)
#define CNTHCTL_EL1TVT   BIT(13)
#define CNTHCTL_ECV      BIT(12)
#define CNTHCTL_EL1PTEN  BIT(11)
#define CNTHCTL_EL1PCTEN BIT(10)
#define CNTHCTL_EL0PTEN  BIT(9)
#define CNTHCTL_EL0VTEN  BIT(8)
#define CNTHCTL_EVNTI    GENMASK(7, 4)
#define CNTHCTL_EVNTDIR  BIT(3)
#define CNTHCTL_EVNTEN   BIT(2)
#define CNTHCTL_EL0VCTEN BIT(1)
#define CNTHCTL_EL0PCTEN BIT(0)

#define SYS_CNTV_CTL_EL0  sys_reg(3, 3, 14, 3, 1)
#define SYS_CNTP_CTL_EL0  sys_reg(3, 3, 14, 2, 1)
#define SYS_CNTHV_CTL_EL2 sys_reg(3, 4, 14, 3, 1)
#define SYS_CNTHP_CTL_EL2 sys_reg(3, 4, 14, 2, 1)
#define CNTx_CTL_ISTATUS  BIT(2)
#define CNTx_CTL_IMASK    BIT(1)
#define CNTx_CTL_ENABLE   BIT(0)

#define SYS_ESR_EL2 sys_reg(3, 4, 5, 2, 0)
#define ESR_ISS2    GENMASK(36, 32)
#define ESR_EC      GENMASK(31, 26)
#define ESR_IL      BIT(25)
#define ESR_ISS     GENMASK(24, 0)

#define ESR_EC_UNKNOWN      0b000000
#define ESR_EC_WFI          0b000001
#define ESR_EC_FP_TRAP      0b000111
#define ESR_EC_PAUTH_TRAP   0b001000
#define ESR_EC_LS64         0b001010
#define ESR_EC_BTI          0b001101
#define ESR_EC_ILLEGAL      0b001110
#define ESR_EC_SVC          0b010101
#define ESR_EC_HVC          0b010110
#define ESR_EC_SMC          0b010111
#define ESR_EC_MSR          0b011000
#define ESR_EC_SVE          0b011001
#define ESR_EC_PAUTH_FAIL   0b011100
#define ESR_EC_IABORT_LOWER 0b100000
#define ESR_EC_IABORT       0b100001
#define ESR_EC_PC_ALIGN     0b100010
#define ESR_EC_DABORT_LOWER 0b100100
#define ESR_EC_DABORT       0b100101
#define ESR_EC_SP_ALIGN     0b100110
#define ESR_EC_FP_EXC       0b101100
#define ESR_EC_SERROR       0b101111
#define ESR_EC_BKPT_LOWER   0b110000
#define ESR_EC_BKPT         0b110001
#define ESR_EC_SSTEP_LOWER  0b110010
#define ESR_EC_SSTEP        0b110011
#define ESR_EC_WATCH_LOWER  0b110100
#define ESR_EC_WATCH        0b110101
#define ESR_EC_BRK          0b111100

#define ESR_ISS_DABORT_ISV   BIT(24)
#define ESR_ISS_DABORT_SAS   GENMASK(23, 22)
#define ESR_ISS_DABORT_SSE   BIT(21)
#define ESR_ISS_DABORT_SRT   GENMASK(20, 16)
#define ESR_ISS_DABORT_SF    BIT(15)
#define ESR_ISS_DABORT_AR    BIT(14)
#define ESR_ISS_DABORT_VNCR  BIT(13)
#define ESR_ISS_DABORT_SET   GENMASK(12, 11)
#define ESR_ISS_DABORT_LSR   GENMASK(12, 11)
#define ESR_ISS_DABORT_FnV   BIT(10)
#define ESR_ISS_DABORT_EA    BIT(9)
#define ESR_ISS_DABORT_CM    BIT(8)
#define ESR_ISS_DABORT_S1PTR BIT(7)
#define ESR_ISS_DABORT_WnR   BIT(6)
#define ESR_ISS_DABORT_DFSC  GENMASK(5, 0)

#define SAS_8B  0
#define SAS_16B 1
#define SAS_32B 2
#define SAS_64B 3

#define ESR_ISS_MSR_OP0       GENMASK(21, 20)
#define ESR_ISS_MSR_OP0_SHIFT 20
#define ESR_ISS_MSR_OP2       GENMASK(19, 17)
#define ESR_ISS_MSR_OP2_SHIFT 17
#define ESR_ISS_MSR_OP1       GENMASK(16, 14)
#define ESR_ISS_MSR_OP1_SHIFT 14
#define ESR_ISS_MSR_CRn       GENMASK(13, 10)
#define ESR_ISS_MSR_CRn_SHIFT 10
#define ESR_ISS_MSR_Rt        GENMASK(9, 5)
#define ESR_ISS_MSR_CRm       GENMASK(4, 1)
#define ESR_ISS_MSR_CRm_SHIFT 1
#define ESR_ISS_MSR_DIR       BIT(0)

#define SYS_HCR_EL2  sys_reg(3, 4, 1, 1, 0)
#define HCR_TWEDEL   GENMASK(63, 60)
#define HCR_TWEDEn   BIT(59)
#define HCR_TID5     BIT(58)
#define HCR_DCT      BIT(57)
#define HCR_ATA      BIT(56)
#define HCR_TTLBOS   BIT(55)
#define HCR_TTLBIS   BIT(54)
#define HCR_EnSCXT   BIT(53)
#define HCR_TOCU     BIT(52)
#define HCR_AMVOFFEN BIT(51)
#define HCR_TICAB    BIT(50)
#define HCR_TID4     BIT(49)
#define HCR_FIEN     BIT(47)
#define HCR_FWB      BIT(46)
#define HCR_NV2      BIT(45)
#define HCR_AT       BIT(44)
#define HCR_NV1      BIT(43)
#define HCR_NV1      BIT(43)
#define HCR_NV       BIT(42)
#define HCR_NV       BIT(42)
#define HCR_API      BIT(41)
#define HCR_APK      BIT(40)
#define HCR_MIOCNCE  BIT(38)
#define HCR_TEA      BIT(37)
#define HCR_TERR     BIT(36)
#define HCR_TLOR     BIT(35)
#define HCR_E2H      BIT(34)
#define HCR_ID       BIT(33)
#define HCR_CD       BIT(32)
#define HCR_RW       BIT(31)
#define HCR_TRVM     BIT(30)
#define HCR_HCD      BIT(29)
#define HCR_TDZ      BIT(28)
#define HCR_TGE      BIT(27)
#define HCR_TVM      BIT(26)
#define HCR_TTLB     BIT(25)
#define HCR_TPU      BIT(24)
#define HCR_TPCP     BIT(23)
#define HCR_TPC      BIT(23)
#define HCR_TSW      BIT(22)
#define HCR_TACR     BIT(21)
#define HCR_TIDCP    BIT(20)
#define HCR_TSC      BIT(19)
#define HCR_TID3     BIT(18)
#define HCR_TID2     BIT(17)
#define HCR_TID1     BIT(16)
#define HCR_TID0     BIT(15)
#define HCR_TWE      BIT(14)
#define HCR_TWI      BIT(13)
#define HCR_DC       BIT(12)
#define HCR_BSU      GENMASK(11, 10)
#define HCR_FB       BIT(9)
#define HCR_VSE      BIT(8)
#define HCR_VI       BIT(7)
#define HCR_VF       BIT(6)
#define HCR_AMO      BIT(5)
#define HCR_IMO      BIT(4)
#define HCR_FMO      BIT(3)
#define HCR_PTW      BIT(2)
#define HCR_SWIO     BIT(1)
#define HCR_VM       BIT(0)

#define SYS_PAR_EL1 sys_reg(3, 0, 7, 4, 0)
// AArch64-PAR_EL1.F == 0b0
#define PAR_ATTR GENMASK(63, 56)
#define PAR_PA   GENMASK(51, 12)
#define PAR_NS   BIT(9)
#define PAR_SH   GENMASK(8, 7)
#define PAR_F    BIT(0)
// AArch64-PAR_EL1.F == 0b1
#define PAR_S   BIT(9)
#define PAR_PTW BIT(8)
#define PAR_FST GENMASK(6, 1)

#define SYS_SCTLR_EL1  sys_reg(3, 0, 1, 0, 0)
#define SYS_SCTLR_EL12 sys_reg(3, 5, 1, 0, 0)
#define SCTLR_EPAN     BIT(57)
#define SCTLR_EnALS    BIT(56)
#define SCTLR_EnAS0    BIT(55)
#define SCTLR_EnASR    BIT(54)
#define SCTLR_TWEDEL   GENMASK(49, 46)
#define SCTLR_TWEDEn   BIT(45)
#define SCTLR_DSSBS    BIT(44)
#define SCTLR_ATA      BIT(43)
#define SCTLR_ATA0     BIT(42)
#define SCTLR_TCF      GENMASK(41, 40)
#define SCTLR_TCF0     GENMASK(39, 38)
#define SCTLR_ITFSB    BIT(37)
#define SCTLR_BT1      BIT(36)
#define SCTLR_BT0      BIT(35)
#define SCTLR_EnIA     BIT(31)
#define SCTLR_EnIB     BIT(30)
#define SCTLR_LSMAOE   BIT(29)
#define SCTLR_nTLSMD   BIT(28)
#define SCTLR_EnDA     BIT(27)
#define SCTLR_UCI      BIT(26)
#define SCTLR_EE       BIT(25)
#define SCTLR_E0E      BIT(24)
#define SCTLR_SPAN     BIT(23)
#define SCTLR_EIS      BIT(22)
#define SCTLR_IESB     BIT(21)
#define SCTLR_TSCXT    BIT(20)
#define SCTLR_WXN      BIT(19)
#define SCTLR_nTWE     BIT(18)
#define SCTLR_nTWI     BIT(16)
#define SCTLR_UCT      BIT(15)
#define SCTLR_DZE      BIT(14)
#define SCTLR_EnDB     BIT(13)
#define SCTLR_I        BIT(12)
#define SCTLR_EOS      BIT(11)
#define SCTLR_EnRCTX   BIT(10)
#define SCTLR_UMA      BIT(9)
#define SCTLR_SED      BIT(8)
#define SCTLR_ITD      BIT(7)
#define SCTLR_nAA      BIT(6)
#define SCTLR_CP15BEN  BIT(5)
#define SCTLR_SA0      BIT(4)
#define SCTLR_SA       BIT(3)
#define SCTLR_C        BIT(2)
#define SCTLR_A        BIT(1)
#define SCTLR_M        BIT(0)

#define SYS_SPSR_EL1  sys_reg(3, 0, 4, 0, 0)
#define SYS_SPSR_EL12 sys_reg(3, 5, 4, 0, 0)
#define SYS_SPSR_EL2  sys_reg(3, 4, 4, 0, 0)
// exception taken from AArch64
#define SPSR_N     BIT(31)
#define SPSR_Z     BIT(30)
#define SPSR_C     BIT(29)
#define SPSR_V     BIT(28)
#define SPSR_TCO   BIT(25)
#define SPSR_DIT   BIT(24)
#define SPSR_UAO   BIT(23)
#define SPSR_PAN   BIT(22)
#define SPSR_SS    BIT(21)
#define SPSR_IL    BIT(20)
#define SPSR_SSBS  BIT(12)
#define SPSR_BTYPE GENMASK(11, 10)
#define SPSR_D     BIT(9)
#define SPSR_A     BIT(8)
#define SPSR_I     BIT(7)
#define SPSR_F     BIT(6)
#define SPSR_M     GENMASK(4, 0)

#define SYS_TCR_EL1    sys_reg(3, 0, 2, 0, 2)
#define TCR_DS         BIT(59)
#define TCR_TCMA1      BIT(58)
#define TCR_TCMA0      BIT(57)
#define TCR_E0PD1      BIT(56)
#define TCR_E0PD0      BIT(55)
#define TCR_NFD1       BIT(54)
#define TCR_NFD0       BIT(53)
#define TCR_TBID1      BIT(52)
#define TCR_TBID0      BIT(51)
#define TCR_HWU162     BIT(50)
#define TCR_HWU161     BIT(49)
#define TCR_HWU160     BIT(48)
#define TCR_HWU159     BIT(47)
#define TCR_HWU062     BIT(46)
#define TCR_HWU061     BIT(45)
#define TCR_HWU060     BIT(44)
#define TCR_HWU059     BIT(43)
#define TCR_HPD1       BIT(42)
#define TCR_HPD0       BIT(41)
#define TCR_HD         BIT(40)
#define TCR_HA         BIT(39)
#define TCR_TBI1       BIT(38)
#define TCR_TBI0       BIT(37)
#define TCR_AS         BIT(36)
#define TCR_IPS        GENMASK(34, 32)
#define TCR_IPS_1TB    0b010UL
#define TCR_TG1        GENMASK(31, 30)
#define TCR_TG1_16K    0b01UL
#define TCR_SH1        GENMASK(29, 28)
#define TCR_SH1_IS     0b11UL
#define TCR_ORGN1      GENMASK(27, 26)
#define TCR_ORGN1_WBWA 0b01UL
#define TCR_IRGN1      GENMASK(25, 24)
#define TCR_IRGN1_WBWA 0b01UL
#define TCR_EPD1       BIT(23)
#define TCR_A1         BIT(22)
#define TCR_T1SZ       GENMASK(21, 16)
#define TCR_T1SZ_48BIT 16UL
#define TCR_TG0        GENMASK(15, 14)
#define TCR_TG0_16K    0b10UL
#define TCR_SH0        GENMASK(13, 12)
#define TCR_SH0_IS     0b11UL
#define TCR_ORGN0      GENMASK(11, 10)
#define TCR_ORGN0_WBWA 0b01UL
#define TCR_IRGN0      GENMASK(9, 8)
#define TCR_IRGN0_WBWA 0b01UL
#define TCR_EPD0       BIT(7)
#define TCR_T0SZ       GENMASK(5, 0)
#define TCR_T0SZ_48BIT 16UL

#define SYS_VTCR_EL2 sys_reg(3, 4, 2, 1, 2)
// Profile(A)
#define VTCR_SL2   BIT(33)
#define VTCR_DS    BIT(32)
#define VTCR_NSA   BIT(30)
#define VTCR_NSW   BIT(29)
#define VTCR_HWU62 BIT(28)
#define VTCR_HWU61 BIT(27)
#define VTCR_HWU60 BIT(26)
#define VTCR_HWU59 BIT(25)
#define VTCR_HD    BIT(22)
#define VTCR_HA    BIT(21)
#define VTCR_VS    BIT(19)
#define VTCR_PS    GENMASK(18, 16)
#define VTCR_TG0   GENMASK(15, 14)
#define VTCR_SH0   GENMASK(13, 12)
#define VTCR_ORGN0 GENMASK(11, 10)
#define VTCR_IRGN0 GENMASK(9, 8)
#define VTCR_SL0   GENMASK(7, 6)
#define VTCR_SL0   GENMASK(7, 6)
#define VTCR_T0SZ  GENMASK(5, 0)