[mirror_qemu.git] / target / riscv / cpu_bits.h

/* RISC-V ISA constants */

#ifndef TARGET_RISCV_CPU_BITS_H
#define TARGET_RISCV_CPU_BITS_H

#define get_field(reg, mask) (((reg) & \
                 (target_ulong)(mask)) / ((mask) & ~((mask) << 1)))
#define set_field(reg, mask, val) (((reg) & ~(target_ulong)(mask)) | \
                 (((target_ulong)(val) * ((mask) & ~((mask) << 1))) & \
                 (target_ulong)(mask)))

/* Floating point round mode */
#define FSR_RD_SHIFT        5
#define FSR_RD              (0x7 << FSR_RD_SHIFT)

/* Floating point accrued exception flags */
#define FPEXC_NX            0x01
#define FPEXC_UF            0x02
#define FPEXC_OF            0x04
#define FPEXC_DZ            0x08
#define FPEXC_NV            0x10

/* Floating point status register bits */
#define FSR_AEXC_SHIFT      0
#define FSR_NVA             (FPEXC_NV << FSR_AEXC_SHIFT)
#define FSR_OFA             (FPEXC_OF << FSR_AEXC_SHIFT)
#define FSR_UFA             (FPEXC_UF << FSR_AEXC_SHIFT)
#define FSR_DZA             (FPEXC_DZ << FSR_AEXC_SHIFT)
#define FSR_NXA             (FPEXC_NX << FSR_AEXC_SHIFT)
#define FSR_AEXC            (FSR_NVA | FSR_OFA | FSR_UFA | FSR_DZA | FSR_NXA)

/* Vector Fixed-Point round model */
#define FSR_VXRM_SHIFT      9
#define FSR_VXRM            (0x3 << FSR_VXRM_SHIFT)

/* Vector Fixed-Point saturation flag */
#define FSR_VXSAT_SHIFT     8
#define FSR_VXSAT           (0x1 << FSR_VXSAT_SHIFT)

/* Control and Status Registers */

/* User Trap Setup */
#define CSR_USTATUS         0x000
#define CSR_UIE             0x004
#define CSR_UTVEC           0x005

/* User Trap Handling */
#define CSR_USCRATCH        0x040
#define CSR_UEPC            0x041
#define CSR_UCAUSE          0x042
#define CSR_UTVAL           0x043
#define CSR_UIP             0x044

/* User Floating-Point CSRs */
#define CSR_FFLAGS          0x001
#define CSR_FRM             0x002
#define CSR_FCSR            0x003

/* User Vector CSRs */
#define CSR_VSTART          0x008
#define CSR_VXSAT           0x009
#define CSR_VXRM            0x00a
#define CSR_VL              0xc20
#define CSR_VTYPE           0xc21

/* User Timers and Counters */
#define CSR_CYCLE           0xc00
#define CSR_TIME            0xc01
#define CSR_INSTRET         0xc02
#define CSR_HPMCOUNTER3     0xc03
#define CSR_HPMCOUNTER4     0xc04
#define CSR_HPMCOUNTER5     0xc05
#define CSR_HPMCOUNTER6     0xc06
#define CSR_HPMCOUNTER7     0xc07
#define CSR_HPMCOUNTER8     0xc08
#define CSR_HPMCOUNTER9     0xc09
#define CSR_HPMCOUNTER10    0xc0a
#define CSR_HPMCOUNTER11    0xc0b
#define CSR_HPMCOUNTER12    0xc0c
#define CSR_HPMCOUNTER13    0xc0d
#define CSR_HPMCOUNTER14    0xc0e
#define CSR_HPMCOUNTER15    0xc0f
#define CSR_HPMCOUNTER16    0xc10
#define CSR_HPMCOUNTER17    0xc11
#define CSR_HPMCOUNTER18    0xc12
#define CSR_HPMCOUNTER19    0xc13
#define CSR_HPMCOUNTER20    0xc14
#define CSR_HPMCOUNTER21    0xc15
#define CSR_HPMCOUNTER22    0xc16
#define CSR_HPMCOUNTER23    0xc17
#define CSR_HPMCOUNTER24    0xc18
#define CSR_HPMCOUNTER25    0xc19
#define CSR_HPMCOUNTER26    0xc1a
#define CSR_HPMCOUNTER27    0xc1b
#define CSR_HPMCOUNTER28    0xc1c
#define CSR_HPMCOUNTER29    0xc1d
#define CSR_HPMCOUNTER30    0xc1e
#define CSR_HPMCOUNTER31    0xc1f
#define CSR_CYCLEH          0xc80
#define CSR_TIMEH           0xc81
#define CSR_INSTRETH        0xc82
#define CSR_HPMCOUNTER3H    0xc83
#define CSR_HPMCOUNTER4H    0xc84
#define CSR_HPMCOUNTER5H    0xc85
#define CSR_HPMCOUNTER6H    0xc86
#define CSR_HPMCOUNTER7H    0xc87
#define CSR_HPMCOUNTER8H    0xc88
#define CSR_HPMCOUNTER9H    0xc89
#define CSR_HPMCOUNTER10H   0xc8a
#define CSR_HPMCOUNTER11H   0xc8b
#define CSR_HPMCOUNTER12H   0xc8c
#define CSR_HPMCOUNTER13H   0xc8d
#define CSR_HPMCOUNTER14H   0xc8e
#define CSR_HPMCOUNTER15H   0xc8f
#define CSR_HPMCOUNTER16H   0xc90
#define CSR_HPMCOUNTER17H   0xc91
#define CSR_HPMCOUNTER18H   0xc92
#define CSR_HPMCOUNTER19H   0xc93
#define CSR_HPMCOUNTER20H   0xc94
#define CSR_HPMCOUNTER21H   0xc95
#define CSR_HPMCOUNTER22H   0xc96
#define CSR_HPMCOUNTER23H   0xc97
#define CSR_HPMCOUNTER24H   0xc98
#define CSR_HPMCOUNTER25H   0xc99
#define CSR_HPMCOUNTER26H   0xc9a
#define CSR_HPMCOUNTER27H   0xc9b
#define CSR_HPMCOUNTER28H   0xc9c
#define CSR_HPMCOUNTER29H   0xc9d
#define CSR_HPMCOUNTER30H   0xc9e
#define CSR_HPMCOUNTER31H   0xc9f

/* Machine Timers and Counters */
#define CSR_MCYCLE          0xb00
#define CSR_MINSTRET        0xb02
#define CSR_MCYCLEH         0xb80
#define CSR_MINSTRETH       0xb82

/* Machine Information Registers */
#define CSR_MVENDORID       0xf11
#define CSR_MARCHID         0xf12
#define CSR_MIMPID          0xf13
#define CSR_MHARTID         0xf14

/* Machine Trap Setup */
#define CSR_MSTATUS         0x300
#define CSR_MISA            0x301
#define CSR_MEDELEG         0x302
#define CSR_MIDELEG         0x303
#define CSR_MIE             0x304
#define CSR_MTVEC           0x305
#define CSR_MCOUNTEREN      0x306

/* 32-bit only */
#define CSR_MSTATUSH        0x310

/* Legacy Counter Setup (priv v1.9.1) */
/* Update to #define CSR_MCOUNTINHIBIT 0x320 for 1.11.0 */
#define CSR_MUCOUNTEREN     0x320
#define CSR_MSCOUNTEREN     0x321
#define CSR_MHCOUNTEREN     0x322

/* Machine Trap Handling */
#define CSR_MSCRATCH        0x340
#define CSR_MEPC            0x341
#define CSR_MCAUSE          0x342
#define CSR_MTVAL           0x343
#define CSR_MIP             0x344

/* Legacy Machine Trap Handling (priv v1.9.1) */
#define CSR_MBADADDR        0x343

/* Supervisor Trap Setup */
#define CSR_SSTATUS         0x100
#define CSR_SEDELEG         0x102
#define CSR_SIDELEG         0x103
#define CSR_SIE             0x104
#define CSR_STVEC           0x105
#define CSR_SCOUNTEREN      0x106

/* Supervisor Trap Handling */
#define CSR_SSCRATCH        0x140
#define CSR_SEPC            0x141
#define CSR_SCAUSE          0x142
#define CSR_STVAL           0x143
#define CSR_SIP             0x144

/* Legacy Supervisor Trap Handling (priv v1.9.1) */
#define CSR_SBADADDR        0x143

/* Supervisor Protection and Translation */
#define CSR_SPTBR           0x180
#define CSR_SATP            0x180

/* Hpervisor CSRs */
#define CSR_HSTATUS         0x600
#define CSR_HEDELEG         0x602
#define CSR_HIDELEG         0x603
#define CSR_HIE             0x604
#define CSR_HCOUNTEREN      0x606
#define CSR_HTVAL           0x643
#define CSR_HIP             0x644
#define CSR_HTINST          0x64A
#define CSR_HGATP           0x680
#define CSR_HTIMEDELTA      0x605
#define CSR_HTIMEDELTAH     0x615

#if defined(TARGET_RISCV32)
#define HGATP_MODE           SATP32_MODE
#define HGATP_VMID           SATP32_ASID
#define HGATP_PPN            SATP32_PPN
#endif
#if defined(TARGET_RISCV64)
#define HGATP_MODE           SATP64_MODE
#define HGATP_VMID           SATP64_ASID
#define HGATP_PPN            SATP64_PPN
#endif

/* Virtual CSRs */
#define CSR_VSSTATUS        0x200
#define CSR_VSIE            0x204
#define CSR_VSTVEC          0x205
#define CSR_VSSCRATCH       0x240
#define CSR_VSEPC           0x241
#define CSR_VSCAUSE         0x242
#define CSR_VSTVAL          0x243
#define CSR_VSIP            0x244
#define CSR_VSATP           0x280

#define CSR_MTINST          0x34a
#define CSR_MTVAL2          0x34b

/* Physical Memory Protection */
#define CSR_PMPCFG0         0x3a0
#define CSR_PMPCFG1         0x3a1
#define CSR_PMPCFG2         0x3a2
#define CSR_PMPCFG3         0x3a3
#define CSR_PMPADDR0        0x3b0
#define CSR_PMPADDR1        0x3b1
#define CSR_PMPADDR2        0x3b2
#define CSR_PMPADDR3        0x3b3
#define CSR_PMPADDR4        0x3b4
#define CSR_PMPADDR5        0x3b5
#define CSR_PMPADDR6        0x3b6
#define CSR_PMPADDR7        0x3b7
#define CSR_PMPADDR8        0x3b8
#define CSR_PMPADDR9        0x3b9
#define CSR_PMPADDR10       0x3ba
#define CSR_PMPADDR11       0x3bb
#define CSR_PMPADDR12       0x3bc
#define CSR_PMPADDR13       0x3bd
#define CSR_PMPADDR14       0x3be
#define CSR_PMPADDR15       0x3bf

/* Debug/Trace Registers (shared with Debug Mode) */
#define CSR_TSELECT         0x7a0
#define CSR_TDATA1          0x7a1
#define CSR_TDATA2          0x7a2
#define CSR_TDATA3          0x7a3

/* Debug Mode Registers */
#define CSR_DCSR            0x7b0
#define CSR_DPC             0x7b1
#define CSR_DSCRATCH        0x7b2

/* Performance Counters */
#define CSR_MHPMCOUNTER3    0xb03
#define CSR_MHPMCOUNTER4    0xb04
#define CSR_MHPMCOUNTER5    0xb05
#define CSR_MHPMCOUNTER6    0xb06
#define CSR_MHPMCOUNTER7    0xb07
#define CSR_MHPMCOUNTER8    0xb08
#define CSR_MHPMCOUNTER9    0xb09
#define CSR_MHPMCOUNTER10   0xb0a
#define CSR_MHPMCOUNTER11   0xb0b
#define CSR_MHPMCOUNTER12   0xb0c
#define CSR_MHPMCOUNTER13   0xb0d
#define CSR_MHPMCOUNTER14   0xb0e
#define CSR_MHPMCOUNTER15   0xb0f
#define CSR_MHPMCOUNTER16   0xb10
#define CSR_MHPMCOUNTER17   0xb11
#define CSR_MHPMCOUNTER18   0xb12
#define CSR_MHPMCOUNTER19   0xb13
#define CSR_MHPMCOUNTER20   0xb14
#define CSR_MHPMCOUNTER21   0xb15
#define CSR_MHPMCOUNTER22   0xb16
#define CSR_MHPMCOUNTER23   0xb17
#define CSR_MHPMCOUNTER24   0xb18
#define CSR_MHPMCOUNTER25   0xb19
#define CSR_MHPMCOUNTER26   0xb1a
#define CSR_MHPMCOUNTER27   0xb1b
#define CSR_MHPMCOUNTER28   0xb1c
#define CSR_MHPMCOUNTER29   0xb1d
#define CSR_MHPMCOUNTER30   0xb1e
#define CSR_MHPMCOUNTER31   0xb1f
#define CSR_MHPMEVENT3      0x323
#define CSR_MHPMEVENT4      0x324
#define CSR_MHPMEVENT5      0x325
#define CSR_MHPMEVENT6      0x326
#define CSR_MHPMEVENT7      0x327
#define CSR_MHPMEVENT8      0x328
#define CSR_MHPMEVENT9      0x329
#define CSR_MHPMEVENT10     0x32a
#define CSR_MHPMEVENT11     0x32b
#define CSR_MHPMEVENT12     0x32c
#define CSR_MHPMEVENT13     0x32d
#define CSR_MHPMEVENT14     0x32e
#define CSR_MHPMEVENT15     0x32f
#define CSR_MHPMEVENT16     0x330
#define CSR_MHPMEVENT17     0x331
#define CSR_MHPMEVENT18     0x332
#define CSR_MHPMEVENT19     0x333
#define CSR_MHPMEVENT20     0x334
#define CSR_MHPMEVENT21     0x335
#define CSR_MHPMEVENT22     0x336
#define CSR_MHPMEVENT23     0x337
#define CSR_MHPMEVENT24     0x338
#define CSR_MHPMEVENT25     0x339
#define CSR_MHPMEVENT26     0x33a
#define CSR_MHPMEVENT27     0x33b
#define CSR_MHPMEVENT28     0x33c
#define CSR_MHPMEVENT29     0x33d
#define CSR_MHPMEVENT30     0x33e
#define CSR_MHPMEVENT31     0x33f
#define CSR_MHPMCOUNTER3H   0xb83
#define CSR_MHPMCOUNTER4H   0xb84
#define CSR_MHPMCOUNTER5H   0xb85
#define CSR_MHPMCOUNTER6H   0xb86
#define CSR_MHPMCOUNTER7H   0xb87
#define CSR_MHPMCOUNTER8H   0xb88
#define CSR_MHPMCOUNTER9H   0xb89
#define CSR_MHPMCOUNTER10H  0xb8a
#define CSR_MHPMCOUNTER11H  0xb8b
#define CSR_MHPMCOUNTER12H  0xb8c
#define CSR_MHPMCOUNTER13H  0xb8d
#define CSR_MHPMCOUNTER14H  0xb8e
#define CSR_MHPMCOUNTER15H  0xb8f
#define CSR_MHPMCOUNTER16H  0xb90
#define CSR_MHPMCOUNTER17H  0xb91
#define CSR_MHPMCOUNTER18H  0xb92
#define CSR_MHPMCOUNTER19H  0xb93
#define CSR_MHPMCOUNTER20H  0xb94
#define CSR_MHPMCOUNTER21H  0xb95
#define CSR_MHPMCOUNTER22H  0xb96
#define CSR_MHPMCOUNTER23H  0xb97
#define CSR_MHPMCOUNTER24H  0xb98
#define CSR_MHPMCOUNTER25H  0xb99
#define CSR_MHPMCOUNTER26H  0xb9a
#define CSR_MHPMCOUNTER27H  0xb9b
#define CSR_MHPMCOUNTER28H  0xb9c
#define CSR_MHPMCOUNTER29H  0xb9d
#define CSR_MHPMCOUNTER30H  0xb9e
#define CSR_MHPMCOUNTER31H  0xb9f

/* Legacy Machine Protection and Translation (priv v1.9.1) */
#define CSR_MBASE           0x380
#define CSR_MBOUND          0x381
#define CSR_MIBASE          0x382
#define CSR_MIBOUND         0x383
#define CSR_MDBASE          0x384
#define CSR_MDBOUND         0x385

/* mstatus CSR bits */
#define MSTATUS_UIE         0x00000001
#define MSTATUS_SIE         0x00000002
#define MSTATUS_MIE         0x00000008
#define MSTATUS_UPIE        0x00000010
#define MSTATUS_SPIE        0x00000020
#define MSTATUS_MPIE        0x00000080
#define MSTATUS_SPP         0x00000100
#define MSTATUS_MPP         0x00001800
#define MSTATUS_FS          0x00006000
#define MSTATUS_XS          0x00018000
#define MSTATUS_MPRV        0x00020000
#define MSTATUS_PUM         0x00040000 /* until: priv-1.9.1 */
#define MSTATUS_SUM         0x00040000 /* since: priv-1.10 */
#define MSTATUS_MXR         0x00080000
#define MSTATUS_VM          0x1F000000 /* until: priv-1.9.1 */
#define MSTATUS_TVM         0x00100000 /* since: priv-1.10 */
#define MSTATUS_TW          0x20000000 /* since: priv-1.10 */
#define MSTATUS_TSR         0x40000000 /* since: priv-1.10 */
#if defined(TARGET_RISCV64)
#define MSTATUS_GVA         0x4000000000ULL
#define MSTATUS_MPV         0x8000000000ULL
#elif defined(TARGET_RISCV32)
#define MSTATUS_GVA         0x00000040
#define MSTATUS_MPV         0x00000080
#endif

#ifdef TARGET_RISCV32
# define MSTATUS_MPV_ISSET(env)  get_field(env->mstatush, MSTATUS_MPV)
#else
# define MSTATUS_MPV_ISSET(env)  get_field(env->mstatus, MSTATUS_MPV)
#endif

#define MSTATUS64_UXL       0x0000000300000000ULL
#define MSTATUS64_SXL       0x0000000C00000000ULL

#define MSTATUS32_SD        0x80000000
#define MSTATUS64_SD        0x8000000000000000ULL

#define MISA32_MXL          0xC0000000
#define MISA64_MXL          0xC000000000000000ULL

#define MXL_RV32            1
#define MXL_RV64            2
#define MXL_RV128           3

#if defined(TARGET_RISCV32)
#define MSTATUS_SD MSTATUS32_SD
#define MISA_MXL MISA32_MXL
#define MXL_VAL MXL_RV32
#elif defined(TARGET_RISCV64)
#define MSTATUS_SD MSTATUS64_SD
#define MISA_MXL MISA64_MXL
#define MXL_VAL MXL_RV64
#endif

/* sstatus CSR bits */
#define SSTATUS_UIE         0x00000001
#define SSTATUS_SIE         0x00000002
#define SSTATUS_UPIE        0x00000010
#define SSTATUS_SPIE        0x00000020
#define SSTATUS_SPP         0x00000100
#define SSTATUS_FS          0x00006000
#define SSTATUS_XS          0x00018000
#define SSTATUS_PUM         0x00040000 /* until: priv-1.9.1 */
#define SSTATUS_SUM         0x00040000 /* since: priv-1.10 */
#define SSTATUS_MXR         0x00080000

#define SSTATUS32_SD        0x80000000
#define SSTATUS64_SD        0x8000000000000000ULL

#if defined(TARGET_RISCV32)
#define SSTATUS_SD SSTATUS32_SD
#elif defined(TARGET_RISCV64)
#define SSTATUS_SD SSTATUS64_SD
#endif

/* hstatus CSR bits */
#define HSTATUS_VSBE         0x00000020
#define HSTATUS_GVA          0x00000040
#define HSTATUS_SPV          0x00000080
#define HSTATUS_SPVP         0x00000100
#define HSTATUS_HU           0x00000200
#define HSTATUS_VGEIN        0x0003F000
#define HSTATUS_VTVM         0x00100000
#define HSTATUS_VTSR         0x00400000
#if defined(TARGET_RISCV64)
#define HSTATUS_VSXL        0x300000000
#endif

#define HSTATUS32_WPRI       0xFF8FF87E
#define HSTATUS64_WPRI       0xFFFFFFFFFF8FF87EULL

#if defined(TARGET_RISCV32)
#define HSTATUS_WPRI HSTATUS32_WPRI
#elif defined(TARGET_RISCV64)
#define HSTATUS_WPRI HSTATUS64_WPRI
#endif

/* Privilege modes */
#define PRV_U 0
#define PRV_S 1
#define PRV_H 2 /* Reserved */
#define PRV_M 3

/* Virtulisation Register Fields */
#define VIRT_ONOFF          1
/* This is used to save state for when we take an exception. If this is set
 * that means that we want to force a HS level exception (no matter what the
 * delegation is set to). This will occur for things such as a second level
 * page table fault.
 */
#define FORCE_HS_EXCEP      2
#define HS_TWO_STAGE        4

/* RV32 satp CSR field masks */
#define SATP32_MODE         0x80000000
#define SATP32_ASID         0x7fc00000
#define SATP32_PPN          0x003fffff

/* RV64 satp CSR field masks */
#define SATP64_MODE         0xF000000000000000ULL
#define SATP64_ASID         0x0FFFF00000000000ULL
#define SATP64_PPN          0x00000FFFFFFFFFFFULL

#if defined(TARGET_RISCV32)
#define SATP_MODE           SATP32_MODE
#define SATP_ASID           SATP32_ASID
#define SATP_PPN            SATP32_PPN
#endif
#if defined(TARGET_RISCV64)
#define SATP_MODE           SATP64_MODE
#define SATP_ASID           SATP64_ASID
#define SATP_PPN            SATP64_PPN
#endif

/* VM modes (mstatus.vm) privileged ISA 1.9.1 */
#define VM_1_09_MBARE       0
#define VM_1_09_MBB         1
#define VM_1_09_MBBID       2
#define VM_1_09_SV32        8
#define VM_1_09_SV39        9
#define VM_1_09_SV48        10

/* VM modes (satp.mode) privileged ISA 1.10 */
#define VM_1_10_MBARE       0
#define VM_1_10_SV32        1
#define VM_1_10_SV39        8
#define VM_1_10_SV48        9
#define VM_1_10_SV57        10
#define VM_1_10_SV64        11

/* Page table entry (PTE) fields */
#define PTE_V               0x001 /* Valid */
#define PTE_R               0x002 /* Read */
#define PTE_W               0x004 /* Write */
#define PTE_X               0x008 /* Execute */
#define PTE_U               0x010 /* User */
#define PTE_G               0x020 /* Global */
#define PTE_A               0x040 /* Accessed */
#define PTE_D               0x080 /* Dirty */
#define PTE_SOFT            0x300 /* Reserved for Software */

/* Page table PPN shift amount */
#define PTE_PPN_SHIFT       10

/* Leaf page shift amount */
#define PGSHIFT             12

/* Default Reset Vector adress */
#define DEFAULT_RSTVEC      0x1000

/* Exception causes */
#define EXCP_NONE                                -1 /* sentinel value */
#define RISCV_EXCP_INST_ADDR_MIS                 0x0
#define RISCV_EXCP_INST_ACCESS_FAULT             0x1
#define RISCV_EXCP_ILLEGAL_INST                  0x2
#define RISCV_EXCP_BREAKPOINT                    0x3
#define RISCV_EXCP_LOAD_ADDR_MIS                 0x4
#define RISCV_EXCP_LOAD_ACCESS_FAULT             0x5
#define RISCV_EXCP_STORE_AMO_ADDR_MIS            0x6
#define RISCV_EXCP_STORE_AMO_ACCESS_FAULT        0x7
#define RISCV_EXCP_U_ECALL                       0x8
#define RISCV_EXCP_S_ECALL                      0x9
#define RISCV_EXCP_VS_ECALL                      0xa
#define RISCV_EXCP_M_ECALL                       0xb
#define RISCV_EXCP_INST_PAGE_FAULT               0xc /* since: priv-1.10.0 */
#define RISCV_EXCP_LOAD_PAGE_FAULT               0xd /* since: priv-1.10.0 */
#define RISCV_EXCP_STORE_PAGE_FAULT              0xf /* since: priv-1.10.0 */
#define RISCV_EXCP_INST_GUEST_PAGE_FAULT         0x14
#define RISCV_EXCP_LOAD_GUEST_ACCESS_FAULT       0x15
#define RISCV_EXCP_STORE_GUEST_AMO_ACCESS_FAULT  0x17

#define RISCV_EXCP_INT_FLAG                0x80000000
#define RISCV_EXCP_INT_MASK                0x7fffffff

/* Interrupt causes */
#define IRQ_U_SOFT                         0
#define IRQ_S_SOFT                         1
#define IRQ_VS_SOFT                        2
#define IRQ_M_SOFT                         3
#define IRQ_U_TIMER                        4
#define IRQ_S_TIMER                        5
#define IRQ_VS_TIMER                       6
#define IRQ_M_TIMER                        7
#define IRQ_U_EXT                          8
#define IRQ_S_EXT                          9
#define IRQ_VS_EXT                         10
#define IRQ_M_EXT                          11

/* mip masks */
#define MIP_USIP                           (1 << IRQ_U_SOFT)
#define MIP_SSIP                           (1 << IRQ_S_SOFT)
#define MIP_VSSIP                          (1 << IRQ_VS_SOFT)
#define MIP_MSIP                           (1 << IRQ_M_SOFT)
#define MIP_UTIP                           (1 << IRQ_U_TIMER)
#define MIP_STIP                           (1 << IRQ_S_TIMER)
#define MIP_VSTIP                          (1 << IRQ_VS_TIMER)
#define MIP_MTIP                           (1 << IRQ_M_TIMER)
#define MIP_UEIP                           (1 << IRQ_U_EXT)
#define MIP_SEIP                           (1 << IRQ_S_EXT)
#define MIP_VSEIP                          (1 << IRQ_VS_EXT)
#define MIP_MEIP                           (1 << IRQ_M_EXT)

/* sip masks */
#define SIP_SSIP                           MIP_SSIP
#define SIP_STIP                           MIP_STIP
#define SIP_SEIP                           MIP_SEIP

/* MIE masks */
#define MIE_SEIE                           (1 << IRQ_S_EXT)
#define MIE_UEIE                           (1 << IRQ_U_EXT)
#define MIE_STIE                           (1 << IRQ_S_TIMER)
#define MIE_UTIE                           (1 << IRQ_U_TIMER)
#define MIE_SSIE                           (1 << IRQ_S_SOFT)
#define MIE_USIE                           (1 << IRQ_U_SOFT)
#endif
Commit	Line	Data
dc5bd18f MC	1	/* RISC-V ISA constants */
dc5bd18f MC	2
f91005e1 MA	3	#ifndef TARGET_RISCV_CPU_BITS_H
	4	#define TARGET_RISCV_CPU_BITS_H
	5
dc5bd18f MC	6	#define get_field(reg, mask) (((reg) & \
	7	(target_ulong)(mask)) / ((mask) & ~((mask) << 1)))
	8	#define set_field(reg, mask, val) (((reg) & ~(target_ulong)(mask)) \| \
	9	(((target_ulong)(val) * ((mask) & ~((mask) << 1))) & \
	10	(target_ulong)(mask)))
	11
426f0348 MC	12	/* Floating point round mode */
	13	#define FSR_RD_SHIFT 5
	14	#define FSR_RD (0x7 << FSR_RD_SHIFT)
	15
	16	/* Floating point accrued exception flags */
	17	#define FPEXC_NX 0x01
	18	#define FPEXC_UF 0x02
	19	#define FPEXC_OF 0x04
	20	#define FPEXC_DZ 0x08
	21	#define FPEXC_NV 0x10
	22
	23	/* Floating point status register bits */
	24	#define FSR_AEXC_SHIFT 0
	25	#define FSR_NVA (FPEXC_NV << FSR_AEXC_SHIFT)
	26	#define FSR_OFA (FPEXC_OF << FSR_AEXC_SHIFT)
	27	#define FSR_UFA (FPEXC_UF << FSR_AEXC_SHIFT)
	28	#define FSR_DZA (FPEXC_DZ << FSR_AEXC_SHIFT)
	29	#define FSR_NXA (FPEXC_NX << FSR_AEXC_SHIFT)
	30	#define FSR_AEXC (FSR_NVA \| FSR_OFA \| FSR_UFA \| FSR_DZA \| FSR_NXA)
	31
8e3a1f18 LZ	32	/* Vector Fixed-Point round model */
	33	#define FSR_VXRM_SHIFT 9
	34	#define FSR_VXRM (0x3 << FSR_VXRM_SHIFT)
	35
	36	/* Vector Fixed-Point saturation flag */
	37	#define FSR_VXSAT_SHIFT 8
	38	#define FSR_VXSAT (0x1 << FSR_VXSAT_SHIFT)
	39
426f0348 MC	40	/* Control and Status Registers */
	41
	42	/* User Trap Setup */
	43	#define CSR_USTATUS 0x000
	44	#define CSR_UIE 0x004
	45	#define CSR_UTVEC 0x005
	46
	47	/* User Trap Handling */
	48	#define CSR_USCRATCH 0x040
	49	#define CSR_UEPC 0x041
	50	#define CSR_UCAUSE 0x042
	51	#define CSR_UTVAL 0x043
	52	#define CSR_UIP 0x044
	53
	54	/* User Floating-Point CSRs */
	55	#define CSR_FFLAGS 0x001
	56	#define CSR_FRM 0x002
	57	#define CSR_FCSR 0x003
	58
8e3a1f18 LZ	59	/* User Vector CSRs */
	60	#define CSR_VSTART 0x008
	61	#define CSR_VXSAT 0x009
	62	#define CSR_VXRM 0x00a
	63	#define CSR_VL 0xc20
	64	#define CSR_VTYPE 0xc21
	65
426f0348 MC	66	/* User Timers and Counters */
	67	#define CSR_CYCLE 0xc00
	68	#define CSR_TIME 0xc01
	69	#define CSR_INSTRET 0xc02
	70	#define CSR_HPMCOUNTER3 0xc03
	71	#define CSR_HPMCOUNTER4 0xc04
	72	#define CSR_HPMCOUNTER5 0xc05
	73	#define CSR_HPMCOUNTER6 0xc06
	74	#define CSR_HPMCOUNTER7 0xc07
	75	#define CSR_HPMCOUNTER8 0xc08
	76	#define CSR_HPMCOUNTER9 0xc09
	77	#define CSR_HPMCOUNTER10 0xc0a
	78	#define CSR_HPMCOUNTER11 0xc0b
	79	#define CSR_HPMCOUNTER12 0xc0c
	80	#define CSR_HPMCOUNTER13 0xc0d
	81	#define CSR_HPMCOUNTER14 0xc0e
	82	#define CSR_HPMCOUNTER15 0xc0f
	83	#define CSR_HPMCOUNTER16 0xc10
	84	#define CSR_HPMCOUNTER17 0xc11
	85	#define CSR_HPMCOUNTER18 0xc12
	86	#define CSR_HPMCOUNTER19 0xc13
	87	#define CSR_HPMCOUNTER20 0xc14
	88	#define CSR_HPMCOUNTER21 0xc15
	89	#define CSR_HPMCOUNTER22 0xc16
	90	#define CSR_HPMCOUNTER23 0xc17
	91	#define CSR_HPMCOUNTER24 0xc18
	92	#define CSR_HPMCOUNTER25 0xc19
	93	#define CSR_HPMCOUNTER26 0xc1a
	94	#define CSR_HPMCOUNTER27 0xc1b
	95	#define CSR_HPMCOUNTER28 0xc1c
	96	#define CSR_HPMCOUNTER29 0xc1d
	97	#define CSR_HPMCOUNTER30 0xc1e
	98	#define CSR_HPMCOUNTER31 0xc1f
	99	#define CSR_CYCLEH 0xc80
	100	#define CSR_TIMEH 0xc81
	101	#define CSR_INSTRETH 0xc82
	102	#define CSR_HPMCOUNTER3H 0xc83
	103	#define CSR_HPMCOUNTER4H 0xc84
	104	#define CSR_HPMCOUNTER5H 0xc85
	105	#define CSR_HPMCOUNTER6H 0xc86
	106	#define CSR_HPMCOUNTER7H 0xc87
	107	#define CSR_HPMCOUNTER8H 0xc88
	108	#define CSR_HPMCOUNTER9H 0xc89
	109	#define CSR_HPMCOUNTER10H 0xc8a
	110	#define CSR_HPMCOUNTER11H 0xc8b
	111	#define CSR_HPMCOUNTER12H 0xc8c
	112	#define CSR_HPMCOUNTER13H 0xc8d
	113	#define CSR_HPMCOUNTER14H 0xc8e
	114	#define CSR_HPMCOUNTER15H 0xc8f
	115	#define CSR_HPMCOUNTER16H 0xc90
	116	#define CSR_HPMCOUNTER17H 0xc91
	117	#define CSR_HPMCOUNTER18H 0xc92
	118	#define CSR_HPMCOUNTER19H 0xc93
	119	#define CSR_HPMCOUNTER20H 0xc94
	120	#define CSR_HPMCOUNTER21H 0xc95
	121	#define CSR_HPMCOUNTER22H 0xc96
	122	#define CSR_HPMCOUNTER23H 0xc97
	123	#define CSR_HPMCOUNTER24H 0xc98
	124	#define CSR_HPMCOUNTER25H 0xc99
	125	#define CSR_HPMCOUNTER26H 0xc9a
	126	#define CSR_HPMCOUNTER27H 0xc9b
	127	#define CSR_HPMCOUNTER28H 0xc9c
	128	#define CSR_HPMCOUNTER29H 0xc9d
	129	#define CSR_HPMCOUNTER30H 0xc9e
130	#define CSR_HPMCOUNTER31H 0xc9f
131
132	/* Machine Timers and Counters */
133	#define CSR_MCYCLE 0xb00
134	#define CSR_MINSTRET 0xb02
135	#define CSR_MCYCLEH 0xb80
136	#define CSR_MINSTRETH 0xb82
137
138	/* Machine Information Registers */
139	#define CSR_MVENDORID 0xf11
140	#define CSR_MARCHID 0xf12
141	#define CSR_MIMPID 0xf13
142	#define CSR_MHARTID 0xf14
143
144	/* Machine Trap Setup */
145	#define CSR_MSTATUS 0x300
146	#define CSR_MISA 0x301
147	#define CSR_MEDELEG 0x302
148	#define CSR_MIDELEG 0x303
149	#define CSR_MIE 0x304
150	#define CSR_MTVEC 0x305
151	#define CSR_MCOUNTEREN 0x306
152
551fa7e8 AF	153	/* 32-bit only */
	154	#define CSR_MSTATUSH 0x310
	155
426f0348	156	/* Legacy Counter Setup (priv v1.9.1) */
747a43e8	157	/* Update to #define CSR_MCOUNTINHIBIT 0x320 for 1.11.0 */
426f0348 MC	158	#define CSR_MUCOUNTEREN 0x320
426f0348 MC	159	#define CSR_MSCOUNTEREN 0x321
8e73df6a	160	#define CSR_MHCOUNTEREN 0x322
426f0348 MC	161
	162	/* Machine Trap Handling */
	163	#define CSR_MSCRATCH 0x340
	164	#define CSR_MEPC 0x341
	165	#define CSR_MCAUSE 0x342
8e73df6a	166	#define CSR_MTVAL 0x343
426f0348 MC	167	#define CSR_MIP 0x344
426f0348 MC	168
8e73df6a JW	169	/* Legacy Machine Trap Handling (priv v1.9.1) */
	170	#define CSR_MBADADDR 0x343
	171
426f0348 MC	172	/* Supervisor Trap Setup */
426f0348 MC	173	#define CSR_SSTATUS 0x100
8e73df6a JW	174	#define CSR_SEDELEG 0x102
8e73df6a JW	175	#define CSR_SIDELEG 0x103
426f0348 MC	176	#define CSR_SIE 0x104
	177	#define CSR_STVEC 0x105
	178	#define CSR_SCOUNTEREN 0x106
	179
	180	/* Supervisor Trap Handling */
	181	#define CSR_SSCRATCH 0x140
	182	#define CSR_SEPC 0x141
	183	#define CSR_SCAUSE 0x142
8e73df6a	184	#define CSR_STVAL 0x143
426f0348 MC	185	#define CSR_SIP 0x144
426f0348 MC	186
8e73df6a JW	187	/* Legacy Supervisor Trap Handling (priv v1.9.1) */
	188	#define CSR_SBADADDR 0x143
	189
426f0348 MC	190	/* Supervisor Protection and Translation */
	191	#define CSR_SPTBR 0x180
	192	#define CSR_SATP 0x180
	193
7f8dcfeb AF	194	/* Hpervisor CSRs */
	195	#define CSR_HSTATUS 0x600
	196	#define CSR_HEDELEG 0x602
	197	#define CSR_HIDELEG 0x603
bd023ce3 AF	198	#define CSR_HIE 0x604
	199	#define CSR_HCOUNTEREN 0x606
	200	#define CSR_HTVAL 0x643
	201	#define CSR_HIP 0x644
	202	#define CSR_HTINST 0x64A
7f8dcfeb	203	#define CSR_HGATP 0x680
bd023ce3 AF	204	#define CSR_HTIMEDELTA 0x605
bd023ce3 AF	205	#define CSR_HTIMEDELTAH 0x615
7f8dcfeb AF	206
	207	#if defined(TARGET_RISCV32)
	208	#define HGATP_MODE SATP32_MODE
	209	#define HGATP_VMID SATP32_ASID
	210	#define HGATP_PPN SATP32_PPN
	211	#endif
	212	#if defined(TARGET_RISCV64)
	213	#define HGATP_MODE SATP64_MODE
	214	#define HGATP_VMID SATP64_ASID
	215	#define HGATP_PPN SATP64_PPN
	216	#endif
	217
bd023ce3 AF	218	/* Virtual CSRs */
	219	#define CSR_VSSTATUS 0x200
	220	#define CSR_VSIE 0x204
	221	#define CSR_VSTVEC 0x205
	222	#define CSR_VSSCRATCH 0x240
	223	#define CSR_VSEPC 0x241
	224	#define CSR_VSCAUSE 0x242
	225	#define CSR_VSTVAL 0x243
	226	#define CSR_VSIP 0x244
	227	#define CSR_VSATP 0x280
	228
	229	#define CSR_MTINST 0x34a
	230	#define CSR_MTVAL2 0x34b
	231
426f0348 MC	232	/* Physical Memory Protection */
	233	#define CSR_PMPCFG0 0x3a0
	234	#define CSR_PMPCFG1 0x3a1
	235	#define CSR_PMPCFG2 0x3a2
	236	#define CSR_PMPCFG3 0x3a3
	237	#define CSR_PMPADDR0 0x3b0
	238	#define CSR_PMPADDR1 0x3b1
	239	#define CSR_PMPADDR2 0x3b2
	240	#define CSR_PMPADDR3 0x3b3
	241	#define CSR_PMPADDR4 0x3b4
	242	#define CSR_PMPADDR5 0x3b5
	243	#define CSR_PMPADDR6 0x3b6
	244	#define CSR_PMPADDR7 0x3b7
	245	#define CSR_PMPADDR8 0x3b8
	246	#define CSR_PMPADDR9 0x3b9
	247	#define CSR_PMPADDR10 0x3ba
	248	#define CSR_PMPADDR11 0x3bb
	249	#define CSR_PMPADDR12 0x3bc
	250	#define CSR_PMPADDR13 0x3bd
	251	#define CSR_PMPADDR14 0x3be
	252	#define CSR_PMPADDR15 0x3bf
	253
	254	/* Debug/Trace Registers (shared with Debug Mode) */
	255	#define CSR_TSELECT 0x7a0
	256	#define CSR_TDATA1 0x7a1
	257	#define CSR_TDATA2 0x7a2
	258	#define CSR_TDATA3 0x7a3
	259
	260	/* Debug Mode Registers */
	261	#define CSR_DCSR 0x7b0
	262	#define CSR_DPC 0x7b1
	263	#define CSR_DSCRATCH 0x7b2
	264
	265	/* Performance Counters */
	266	#define CSR_MHPMCOUNTER3 0xb03
	267	#define CSR_MHPMCOUNTER4 0xb04
	268	#define CSR_MHPMCOUNTER5 0xb05
	269	#define CSR_MHPMCOUNTER6 0xb06
	270	#define CSR_MHPMCOUNTER7 0xb07
	271	#define CSR_MHPMCOUNTER8 0xb08
	272	#define CSR_MHPMCOUNTER9 0xb09
	273	#define CSR_MHPMCOUNTER10 0xb0a
	274	#define CSR_MHPMCOUNTER11 0xb0b
	275	#define CSR_MHPMCOUNTER12 0xb0c
	276	#define CSR_MHPMCOUNTER13 0xb0d
	277	#define CSR_MHPMCOUNTER14 0xb0e
	278	#define CSR_MHPMCOUNTER15 0xb0f
	279	#define CSR_MHPMCOUNTER16 0xb10
	280	#define CSR_MHPMCOUNTER17 0xb11
	281	#define CSR_MHPMCOUNTER18 0xb12
	282	#define CSR_MHPMCOUNTER19 0xb13
	283	#define CSR_MHPMCOUNTER20 0xb14
	284	#define CSR_MHPMCOUNTER21 0xb15
	285	#define CSR_MHPMCOUNTER22 0xb16
	286	#define CSR_MHPMCOUNTER23 0xb17
	287	#define CSR_MHPMCOUNTER24 0xb18
	288	#define CSR_MHPMCOUNTER25 0xb19
	289	#define CSR_MHPMCOUNTER26 0xb1a
	290	#define CSR_MHPMCOUNTER27 0xb1b
	291	#define CSR_MHPMCOUNTER28 0xb1c
	292	#define CSR_MHPMCOUNTER29 0xb1d
	293	#define CSR_MHPMCOUNTER30 0xb1e
	294	#define CSR_MHPMCOUNTER31 0xb1f
	295	#define CSR_MHPMEVENT3 0x323
296	#define CSR_MHPMEVENT4 0x324
297	#define CSR_MHPMEVENT5 0x325
298	#define CSR_MHPMEVENT6 0x326
299	#define CSR_MHPMEVENT7 0x327
300	#define CSR_MHPMEVENT8 0x328
301	#define CSR_MHPMEVENT9 0x329
302	#define CSR_MHPMEVENT10 0x32a
303	#define CSR_MHPMEVENT11 0x32b
304	#define CSR_MHPMEVENT12 0x32c
305	#define CSR_MHPMEVENT13 0x32d
306	#define CSR_MHPMEVENT14 0x32e
307	#define CSR_MHPMEVENT15 0x32f
308	#define CSR_MHPMEVENT16 0x330
309	#define CSR_MHPMEVENT17 0x331
310	#define CSR_MHPMEVENT18 0x332
311	#define CSR_MHPMEVENT19 0x333
312	#define CSR_MHPMEVENT20 0x334
313	#define CSR_MHPMEVENT21 0x335
314	#define CSR_MHPMEVENT22 0x336
315	#define CSR_MHPMEVENT23 0x337
316	#define CSR_MHPMEVENT24 0x338
317	#define CSR_MHPMEVENT25 0x339
318	#define CSR_MHPMEVENT26 0x33a
319	#define CSR_MHPMEVENT27 0x33b
320	#define CSR_MHPMEVENT28 0x33c
321	#define CSR_MHPMEVENT29 0x33d
322	#define CSR_MHPMEVENT30 0x33e
323	#define CSR_MHPMEVENT31 0x33f
324	#define CSR_MHPMCOUNTER3H 0xb83
325	#define CSR_MHPMCOUNTER4H 0xb84
326	#define CSR_MHPMCOUNTER5H 0xb85
327	#define CSR_MHPMCOUNTER6H 0xb86
328	#define CSR_MHPMCOUNTER7H 0xb87
329	#define CSR_MHPMCOUNTER8H 0xb88
330	#define CSR_MHPMCOUNTER9H 0xb89
331	#define CSR_MHPMCOUNTER10H 0xb8a
332	#define CSR_MHPMCOUNTER11H 0xb8b
333	#define CSR_MHPMCOUNTER12H 0xb8c
334	#define CSR_MHPMCOUNTER13H 0xb8d
335	#define CSR_MHPMCOUNTER14H 0xb8e
336	#define CSR_MHPMCOUNTER15H 0xb8f
337	#define CSR_MHPMCOUNTER16H 0xb90
338	#define CSR_MHPMCOUNTER17H 0xb91
339	#define CSR_MHPMCOUNTER18H 0xb92
340	#define CSR_MHPMCOUNTER19H 0xb93
341	#define CSR_MHPMCOUNTER20H 0xb94
342	#define CSR_MHPMCOUNTER21H 0xb95
343	#define CSR_MHPMCOUNTER22H 0xb96
344	#define CSR_MHPMCOUNTER23H 0xb97
345	#define CSR_MHPMCOUNTER24H 0xb98
346	#define CSR_MHPMCOUNTER25H 0xb99
347	#define CSR_MHPMCOUNTER26H 0xb9a
348	#define CSR_MHPMCOUNTER27H 0xb9b
349	#define CSR_MHPMCOUNTER28H 0xb9c
350	#define CSR_MHPMCOUNTER29H 0xb9d
351	#define CSR_MHPMCOUNTER30H 0xb9e
352	#define CSR_MHPMCOUNTER31H 0xb9f
353
8e73df6a JW	354	/* Legacy Machine Protection and Translation (priv v1.9.1) */
	355	#define CSR_MBASE 0x380
	356	#define CSR_MBOUND 0x381
	357	#define CSR_MIBASE 0x382
	358	#define CSR_MIBOUND 0x383
	359	#define CSR_MDBASE 0x384
	360	#define CSR_MDBOUND 0x385
	361
426f0348	362	/* mstatus CSR bits */
dc5bd18f MC	363	#define MSTATUS_UIE 0x00000001
dc5bd18f MC	364	#define MSTATUS_SIE 0x00000002
dc5bd18f MC	365	#define MSTATUS_MIE 0x00000008
	366	#define MSTATUS_UPIE 0x00000010
	367	#define MSTATUS_SPIE 0x00000020
dc5bd18f MC	368	#define MSTATUS_MPIE 0x00000080
dc5bd18f MC	369	#define MSTATUS_SPP 0x00000100
dc5bd18f MC	370	#define MSTATUS_MPP 0x00001800
	371	#define MSTATUS_FS 0x00006000
	372	#define MSTATUS_XS 0x00018000
	373	#define MSTATUS_MPRV 0x00020000
	374	#define MSTATUS_PUM 0x00040000 /* until: priv-1.9.1 */
	375	#define MSTATUS_SUM 0x00040000 /* since: priv-1.10 */
	376	#define MSTATUS_MXR 0x00080000
	377	#define MSTATUS_VM 0x1F000000 /* until: priv-1.9.1 */
	378	#define MSTATUS_TVM 0x00100000 /* since: priv-1.10 */
	379	#define MSTATUS_TW 0x20000000 /* since: priv-1.10 */
	380	#define MSTATUS_TSR 0x40000000 /* since: priv-1.10 */
e44b50b5	381	#if defined(TARGET_RISCV64)
9034e90a	382	#define MSTATUS_GVA 0x4000000000ULL
49aaa3e5	383	#define MSTATUS_MPV 0x8000000000ULL
e44b50b5	384	#elif defined(TARGET_RISCV32)
9034e90a	385	#define MSTATUS_GVA 0x00000040
e44b50b5 AF	386	#define MSTATUS_MPV 0x00000080
	387	#endif
	388
	389	#ifdef TARGET_RISCV32
	390	# define MSTATUS_MPV_ISSET(env) get_field(env->mstatush, MSTATUS_MPV)
	391	#else
	392	# define MSTATUS_MPV_ISSET(env) get_field(env->mstatus, MSTATUS_MPV)
	393	#endif
dc5bd18f MC	394
	395	#define MSTATUS64_UXL 0x0000000300000000ULL
	396	#define MSTATUS64_SXL 0x0000000C00000000ULL
	397
	398	#define MSTATUS32_SD 0x80000000
	399	#define MSTATUS64_SD 0x8000000000000000ULL
	400
f18637cd MC	401	#define MISA32_MXL 0xC0000000
	402	#define MISA64_MXL 0xC000000000000000ULL
	403
	404	#define MXL_RV32 1
	405	#define MXL_RV64 2
	406	#define MXL_RV128 3
	407
dc5bd18f MC	408	#if defined(TARGET_RISCV32)
dc5bd18f MC	409	#define MSTATUS_SD MSTATUS32_SD
f18637cd MC	410	#define MISA_MXL MISA32_MXL
f18637cd MC	411	#define MXL_VAL MXL_RV32
dc5bd18f MC	412	#elif defined(TARGET_RISCV64)
dc5bd18f MC	413	#define MSTATUS_SD MSTATUS64_SD
f18637cd MC	414	#define MISA_MXL MISA64_MXL
f18637cd MC	415	#define MXL_VAL MXL_RV64
dc5bd18f MC	416	#endif
dc5bd18f MC	417
426f0348	418	/* sstatus CSR bits */
dc5bd18f MC	419	#define SSTATUS_UIE 0x00000001
	420	#define SSTATUS_SIE 0x00000002
	421	#define SSTATUS_UPIE 0x00000010
	422	#define SSTATUS_SPIE 0x00000020
	423	#define SSTATUS_SPP 0x00000100
	424	#define SSTATUS_FS 0x00006000
	425	#define SSTATUS_XS 0x00018000
	426	#define SSTATUS_PUM 0x00040000 /* until: priv-1.9.1 */
	427	#define SSTATUS_SUM 0x00040000 /* since: priv-1.10 */
	428	#define SSTATUS_MXR 0x00080000
	429
	430	#define SSTATUS32_SD 0x80000000
	431	#define SSTATUS64_SD 0x8000000000000000ULL
	432
	433	#if defined(TARGET_RISCV32)
	434	#define SSTATUS_SD SSTATUS32_SD
	435	#elif defined(TARGET_RISCV64)
	436	#define SSTATUS_SD SSTATUS64_SD
	437	#endif
	438
d28b15a4	439	/* hstatus CSR bits */
543ba531 AF	440	#define HSTATUS_VSBE 0x00000020
543ba531 AF	441	#define HSTATUS_GVA 0x00000040
d28b15a4	442	#define HSTATUS_SPV 0x00000080
543ba531 AF	443	#define HSTATUS_SPVP 0x00000100
	444	#define HSTATUS_HU 0x00000200
	445	#define HSTATUS_VGEIN 0x0003F000
d28b15a4 AF	446	#define HSTATUS_VTVM 0x00100000
d28b15a4 AF	447	#define HSTATUS_VTSR 0x00400000
543ba531 AF	448	#if defined(TARGET_RISCV64)
	449	#define HSTATUS_VSXL 0x300000000
	450	#endif
d28b15a4 AF	451
	452	#define HSTATUS32_WPRI 0xFF8FF87E
	453	#define HSTATUS64_WPRI 0xFFFFFFFFFF8FF87EULL
	454
	455	#if defined(TARGET_RISCV32)
	456	#define HSTATUS_WPRI HSTATUS32_WPRI
	457	#elif defined(TARGET_RISCV64)
	458	#define HSTATUS_WPRI HSTATUS64_WPRI
	459	#endif
	460
426f0348	461	/* Privilege modes */
dc5bd18f MC	462	#define PRV_U 0
dc5bd18f MC	463	#define PRV_S 1
356d7419	464	#define PRV_H 2 /* Reserved */
dc5bd18f MC	465	#define PRV_M 3
dc5bd18f MC	466
ef6bb7b6 AF	467	/* Virtulisation Register Fields */
ef6bb7b6 AF	468	#define VIRT_ONOFF 1
c7b1bbc8 AF	469	/* This is used to save state for when we take an exception. If this is set
	470	* that means that we want to force a HS level exception (no matter what the
	471	* delegation is set to). This will occur for things such as a second level
	472	* page table fault.
	473	*/
	474	#define FORCE_HS_EXCEP 2
5a894dd7	475	#define HS_TWO_STAGE 4
ef6bb7b6	476
426f0348 MC	477	/* RV32 satp CSR field masks */
	478	#define SATP32_MODE 0x80000000
	479	#define SATP32_ASID 0x7fc00000
	480	#define SATP32_PPN 0x003fffff
	481
	482	/* RV64 satp CSR field masks */
	483	#define SATP64_MODE 0xF000000000000000ULL
	484	#define SATP64_ASID 0x0FFFF00000000000ULL
	485	#define SATP64_PPN 0x00000FFFFFFFFFFFULL
dc5bd18f MC	486
dc5bd18f MC	487	#if defined(TARGET_RISCV32)
426f0348 MC	488	#define SATP_MODE SATP32_MODE
	489	#define SATP_ASID SATP32_ASID
	490	#define SATP_PPN SATP32_PPN
dc5bd18f MC	491	#endif
dc5bd18f MC	492	#if defined(TARGET_RISCV64)
426f0348 MC	493	#define SATP_MODE SATP64_MODE
	494	#define SATP_ASID SATP64_ASID
	495	#define SATP_PPN SATP64_PPN
dc5bd18f MC	496	#endif
dc5bd18f MC	497
426f0348 MC	498	/* VM modes (mstatus.vm) privileged ISA 1.9.1 */
	499	#define VM_1_09_MBARE 0
	500	#define VM_1_09_MBB 1
	501	#define VM_1_09_MBBID 2
	502	#define VM_1_09_SV32 8
	503	#define VM_1_09_SV39 9
	504	#define VM_1_09_SV48 10
	505
	506	/* VM modes (satp.mode) privileged ISA 1.10 */
	507	#define VM_1_10_MBARE 0
	508	#define VM_1_10_SV32 1
	509	#define VM_1_10_SV39 8
	510	#define VM_1_10_SV48 9
	511	#define VM_1_10_SV57 10
	512	#define VM_1_10_SV64 11
	513
	514	/* Page table entry (PTE) fields */
	515	#define PTE_V 0x001 /* Valid */
	516	#define PTE_R 0x002 /* Read */
	517	#define PTE_W 0x004 /* Write */
	518	#define PTE_X 0x008 /* Execute */
	519	#define PTE_U 0x010 /* User */
	520	#define PTE_G 0x020 /* Global */
	521	#define PTE_A 0x040 /* Accessed */
	522	#define PTE_D 0x080 /* Dirty */
	523	#define PTE_SOFT 0x300 /* Reserved for Software */
	524
	525	/* Page table PPN shift amount */
	526	#define PTE_PPN_SHIFT 10
	527
	528	/* Leaf page shift amount */
	529	#define PGSHIFT 12
	530
	531	/* Default Reset Vector adress */
	532	#define DEFAULT_RSTVEC 0x1000
	533
	534	/* Exception causes */
ab67a1d0 AF	535	#define EXCP_NONE -1 /* sentinel value */
	536	#define RISCV_EXCP_INST_ADDR_MIS 0x0
	537	#define RISCV_EXCP_INST_ACCESS_FAULT 0x1
	538	#define RISCV_EXCP_ILLEGAL_INST 0x2
	539	#define RISCV_EXCP_BREAKPOINT 0x3
	540	#define RISCV_EXCP_LOAD_ADDR_MIS 0x4
	541	#define RISCV_EXCP_LOAD_ACCESS_FAULT 0x5
	542	#define RISCV_EXCP_STORE_AMO_ADDR_MIS 0x6
	543	#define RISCV_EXCP_STORE_AMO_ACCESS_FAULT 0x7
	544	#define RISCV_EXCP_U_ECALL 0x8
	545	#define RISCV_EXCP_S_ECALL 0x9
	546	#define RISCV_EXCP_VS_ECALL 0xa
	547	#define RISCV_EXCP_M_ECALL 0xb
	548	#define RISCV_EXCP_INST_PAGE_FAULT 0xc /* since: priv-1.10.0 */
	549	#define RISCV_EXCP_LOAD_PAGE_FAULT 0xd /* since: priv-1.10.0 */
	550	#define RISCV_EXCP_STORE_PAGE_FAULT 0xf /* since: priv-1.10.0 */
	551	#define RISCV_EXCP_INST_GUEST_PAGE_FAULT 0x14
	552	#define RISCV_EXCP_LOAD_GUEST_ACCESS_FAULT 0x15
	553	#define RISCV_EXCP_STORE_GUEST_AMO_ACCESS_FAULT 0x17
dc5bd18f MC	554
	555	#define RISCV_EXCP_INT_FLAG 0x80000000
	556	#define RISCV_EXCP_INT_MASK 0x7fffffff
	557
426f0348 MC	558	/* Interrupt causes */
	559	#define IRQ_U_SOFT 0
	560	#define IRQ_S_SOFT 1
205377f8	561	#define IRQ_VS_SOFT 2
426f0348 MC	562	#define IRQ_M_SOFT 3
	563	#define IRQ_U_TIMER 4
	564	#define IRQ_S_TIMER 5
205377f8	565	#define IRQ_VS_TIMER 6
426f0348 MC	566	#define IRQ_M_TIMER 7
	567	#define IRQ_U_EXT 8
	568	#define IRQ_S_EXT 9
205377f8	569	#define IRQ_VS_EXT 10
426f0348 MC	570	#define IRQ_M_EXT 11
	571
	572	/* mip masks */
	573	#define MIP_USIP (1 << IRQ_U_SOFT)
	574	#define MIP_SSIP (1 << IRQ_S_SOFT)
205377f8	575	#define MIP_VSSIP (1 << IRQ_VS_SOFT)
426f0348 MC	576	#define MIP_MSIP (1 << IRQ_M_SOFT)
	577	#define MIP_UTIP (1 << IRQ_U_TIMER)
	578	#define MIP_STIP (1 << IRQ_S_TIMER)
205377f8	579	#define MIP_VSTIP (1 << IRQ_VS_TIMER)
426f0348 MC	580	#define MIP_MTIP (1 << IRQ_M_TIMER)
	581	#define MIP_UEIP (1 << IRQ_U_EXT)
	582	#define MIP_SEIP (1 << IRQ_S_EXT)
205377f8	583	#define MIP_VSEIP (1 << IRQ_VS_EXT)
426f0348 MC	584	#define MIP_MEIP (1 << IRQ_M_EXT)
	585
	586	/* sip masks */
	587	#define SIP_SSIP MIP_SSIP
	588	#define SIP_STIP MIP_STIP
	589	#define SIP_SEIP MIP_SEIP
f91005e1	590
66e594f2 AF	591	/* MIE masks */
	592	#define MIE_SEIE (1 << IRQ_S_EXT)
	593	#define MIE_UEIE (1 << IRQ_U_EXT)
	594	#define MIE_STIE (1 << IRQ_S_TIMER)
	595	#define MIE_UTIE (1 << IRQ_U_TIMER)
	596	#define MIE_SSIE (1 << IRQ_S_SOFT)
	597	#define MIE_USIE (1 << IRQ_U_SOFT)
f91005e1	598	#endif