190e9f8ec1
As per the specification, in 64-bit, if any of the pte reserved bits 60-54 is set an exception should be triggered (see 4.4.1, "Addressing and Memory Protection"). In addition, we must check the napot/pbmt bits are not set if those extensions are not active. Reported-by: Andrea Parri <andrea@rivosinc.com> Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20230420150220.60919-1-alexghiti@rivosinc.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
903 lines
30 KiB
C
903 lines
30 KiB
C
/* RISC-V ISA constants */
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#ifndef TARGET_RISCV_CPU_BITS_H
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#define TARGET_RISCV_CPU_BITS_H
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#define get_field(reg, mask) (((reg) & \
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(uint64_t)(mask)) / ((mask) & ~((mask) << 1)))
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#define set_field(reg, mask, val) (((reg) & ~(uint64_t)(mask)) | \
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(((uint64_t)(val) * ((mask) & ~((mask) << 1))) & \
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(uint64_t)(mask)))
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/* Extension context status mask */
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#define EXT_STATUS_MASK 0x3ULL
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/* Floating point round mode */
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#define FSR_RD_SHIFT 5
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#define FSR_RD (0x7 << FSR_RD_SHIFT)
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/* Floating point accrued exception flags */
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#define FPEXC_NX 0x01
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#define FPEXC_UF 0x02
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#define FPEXC_OF 0x04
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#define FPEXC_DZ 0x08
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#define FPEXC_NV 0x10
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/* Floating point status register bits */
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#define FSR_AEXC_SHIFT 0
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#define FSR_NVA (FPEXC_NV << FSR_AEXC_SHIFT)
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#define FSR_OFA (FPEXC_OF << FSR_AEXC_SHIFT)
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#define FSR_UFA (FPEXC_UF << FSR_AEXC_SHIFT)
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#define FSR_DZA (FPEXC_DZ << FSR_AEXC_SHIFT)
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#define FSR_NXA (FPEXC_NX << FSR_AEXC_SHIFT)
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#define FSR_AEXC (FSR_NVA | FSR_OFA | FSR_UFA | FSR_DZA | FSR_NXA)
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/* Vector Fixed-Point round model */
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#define FSR_VXRM_SHIFT 9
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#define FSR_VXRM (0x3 << FSR_VXRM_SHIFT)
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/* Vector Fixed-Point saturation flag */
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#define FSR_VXSAT_SHIFT 8
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#define FSR_VXSAT (0x1 << FSR_VXSAT_SHIFT)
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/* Control and Status Registers */
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/* User Trap Setup */
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#define CSR_USTATUS 0x000
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#define CSR_UIE 0x004
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#define CSR_UTVEC 0x005
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/* User Trap Handling */
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#define CSR_USCRATCH 0x040
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#define CSR_UEPC 0x041
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#define CSR_UCAUSE 0x042
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#define CSR_UTVAL 0x043
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#define CSR_UIP 0x044
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/* User Floating-Point CSRs */
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#define CSR_FFLAGS 0x001
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#define CSR_FRM 0x002
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#define CSR_FCSR 0x003
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/* User Vector CSRs */
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#define CSR_VSTART 0x008
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#define CSR_VXSAT 0x009
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#define CSR_VXRM 0x00a
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#define CSR_VCSR 0x00f
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#define CSR_VL 0xc20
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#define CSR_VTYPE 0xc21
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#define CSR_VLENB 0xc22
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/* VCSR fields */
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#define VCSR_VXSAT_SHIFT 0
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#define VCSR_VXSAT (0x1 << VCSR_VXSAT_SHIFT)
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#define VCSR_VXRM_SHIFT 1
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#define VCSR_VXRM (0x3 << VCSR_VXRM_SHIFT)
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/* User Timers and Counters */
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#define CSR_CYCLE 0xc00
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#define CSR_TIME 0xc01
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#define CSR_INSTRET 0xc02
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#define CSR_HPMCOUNTER3 0xc03
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#define CSR_HPMCOUNTER4 0xc04
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#define CSR_HPMCOUNTER5 0xc05
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#define CSR_HPMCOUNTER6 0xc06
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#define CSR_HPMCOUNTER7 0xc07
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#define CSR_HPMCOUNTER8 0xc08
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#define CSR_HPMCOUNTER9 0xc09
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#define CSR_HPMCOUNTER10 0xc0a
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#define CSR_HPMCOUNTER11 0xc0b
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#define CSR_HPMCOUNTER12 0xc0c
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#define CSR_HPMCOUNTER13 0xc0d
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#define CSR_HPMCOUNTER14 0xc0e
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#define CSR_HPMCOUNTER15 0xc0f
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#define CSR_HPMCOUNTER16 0xc10
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#define CSR_HPMCOUNTER17 0xc11
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#define CSR_HPMCOUNTER18 0xc12
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#define CSR_HPMCOUNTER19 0xc13
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#define CSR_HPMCOUNTER20 0xc14
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#define CSR_HPMCOUNTER21 0xc15
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#define CSR_HPMCOUNTER22 0xc16
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#define CSR_HPMCOUNTER23 0xc17
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#define CSR_HPMCOUNTER24 0xc18
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#define CSR_HPMCOUNTER25 0xc19
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#define CSR_HPMCOUNTER26 0xc1a
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#define CSR_HPMCOUNTER27 0xc1b
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#define CSR_HPMCOUNTER28 0xc1c
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#define CSR_HPMCOUNTER29 0xc1d
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#define CSR_HPMCOUNTER30 0xc1e
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#define CSR_HPMCOUNTER31 0xc1f
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#define CSR_CYCLEH 0xc80
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#define CSR_TIMEH 0xc81
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#define CSR_INSTRETH 0xc82
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#define CSR_HPMCOUNTER3H 0xc83
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#define CSR_HPMCOUNTER4H 0xc84
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#define CSR_HPMCOUNTER5H 0xc85
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#define CSR_HPMCOUNTER6H 0xc86
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#define CSR_HPMCOUNTER7H 0xc87
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#define CSR_HPMCOUNTER8H 0xc88
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#define CSR_HPMCOUNTER9H 0xc89
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#define CSR_HPMCOUNTER10H 0xc8a
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#define CSR_HPMCOUNTER11H 0xc8b
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#define CSR_HPMCOUNTER12H 0xc8c
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#define CSR_HPMCOUNTER13H 0xc8d
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#define CSR_HPMCOUNTER14H 0xc8e
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#define CSR_HPMCOUNTER15H 0xc8f
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#define CSR_HPMCOUNTER16H 0xc90
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#define CSR_HPMCOUNTER17H 0xc91
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#define CSR_HPMCOUNTER18H 0xc92
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#define CSR_HPMCOUNTER19H 0xc93
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#define CSR_HPMCOUNTER20H 0xc94
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#define CSR_HPMCOUNTER21H 0xc95
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#define CSR_HPMCOUNTER22H 0xc96
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#define CSR_HPMCOUNTER23H 0xc97
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#define CSR_HPMCOUNTER24H 0xc98
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#define CSR_HPMCOUNTER25H 0xc99
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#define CSR_HPMCOUNTER26H 0xc9a
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#define CSR_HPMCOUNTER27H 0xc9b
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#define CSR_HPMCOUNTER28H 0xc9c
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#define CSR_HPMCOUNTER29H 0xc9d
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#define CSR_HPMCOUNTER30H 0xc9e
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#define CSR_HPMCOUNTER31H 0xc9f
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/* Machine Timers and Counters */
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#define CSR_MCYCLE 0xb00
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#define CSR_MINSTRET 0xb02
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#define CSR_MCYCLEH 0xb80
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#define CSR_MINSTRETH 0xb82
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/* Machine Information Registers */
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#define CSR_MVENDORID 0xf11
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#define CSR_MARCHID 0xf12
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#define CSR_MIMPID 0xf13
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#define CSR_MHARTID 0xf14
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#define CSR_MCONFIGPTR 0xf15
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/* Machine Trap Setup */
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#define CSR_MSTATUS 0x300
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#define CSR_MISA 0x301
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#define CSR_MEDELEG 0x302
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#define CSR_MIDELEG 0x303
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#define CSR_MIE 0x304
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#define CSR_MTVEC 0x305
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#define CSR_MCOUNTEREN 0x306
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/* 32-bit only */
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#define CSR_MSTATUSH 0x310
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/* Machine Trap Handling */
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#define CSR_MSCRATCH 0x340
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#define CSR_MEPC 0x341
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#define CSR_MCAUSE 0x342
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#define CSR_MTVAL 0x343
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#define CSR_MIP 0x344
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/* Machine-Level Window to Indirectly Accessed Registers (AIA) */
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#define CSR_MISELECT 0x350
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#define CSR_MIREG 0x351
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/* Machine-Level Interrupts (AIA) */
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#define CSR_MTOPEI 0x35c
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#define CSR_MTOPI 0xfb0
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/* Virtual Interrupts for Supervisor Level (AIA) */
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#define CSR_MVIEN 0x308
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#define CSR_MVIP 0x309
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/* Machine-Level High-Half CSRs (AIA) */
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#define CSR_MIDELEGH 0x313
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#define CSR_MIEH 0x314
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#define CSR_MVIENH 0x318
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#define CSR_MVIPH 0x319
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#define CSR_MIPH 0x354
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/* Supervisor Trap Setup */
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#define CSR_SSTATUS 0x100
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#define CSR_SIE 0x104
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#define CSR_STVEC 0x105
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#define CSR_SCOUNTEREN 0x106
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/* Supervisor Configuration CSRs */
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#define CSR_SENVCFG 0x10A
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/* Supervisor state CSRs */
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#define CSR_SSTATEEN0 0x10C
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#define CSR_SSTATEEN1 0x10D
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#define CSR_SSTATEEN2 0x10E
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#define CSR_SSTATEEN3 0x10F
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/* Supervisor Trap Handling */
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#define CSR_SSCRATCH 0x140
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#define CSR_SEPC 0x141
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#define CSR_SCAUSE 0x142
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#define CSR_STVAL 0x143
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#define CSR_SIP 0x144
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/* Sstc supervisor CSRs */
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#define CSR_STIMECMP 0x14D
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#define CSR_STIMECMPH 0x15D
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/* Supervisor Protection and Translation */
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#define CSR_SPTBR 0x180
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#define CSR_SATP 0x180
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/* Supervisor-Level Window to Indirectly Accessed Registers (AIA) */
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#define CSR_SISELECT 0x150
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#define CSR_SIREG 0x151
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/* Supervisor-Level Interrupts (AIA) */
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#define CSR_STOPEI 0x15c
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#define CSR_STOPI 0xdb0
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/* Supervisor-Level High-Half CSRs (AIA) */
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#define CSR_SIEH 0x114
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#define CSR_SIPH 0x154
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/* Hpervisor CSRs */
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#define CSR_HSTATUS 0x600
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#define CSR_HEDELEG 0x602
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#define CSR_HIDELEG 0x603
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#define CSR_HIE 0x604
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#define CSR_HCOUNTEREN 0x606
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#define CSR_HGEIE 0x607
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#define CSR_HTVAL 0x643
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#define CSR_HVIP 0x645
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#define CSR_HIP 0x644
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#define CSR_HTINST 0x64A
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#define CSR_HGEIP 0xE12
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#define CSR_HGATP 0x680
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#define CSR_HTIMEDELTA 0x605
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#define CSR_HTIMEDELTAH 0x615
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/* Hypervisor Configuration CSRs */
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#define CSR_HENVCFG 0x60A
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#define CSR_HENVCFGH 0x61A
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/* Hypervisor state CSRs */
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#define CSR_HSTATEEN0 0x60C
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#define CSR_HSTATEEN0H 0x61C
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#define CSR_HSTATEEN1 0x60D
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#define CSR_HSTATEEN1H 0x61D
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#define CSR_HSTATEEN2 0x60E
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#define CSR_HSTATEEN2H 0x61E
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#define CSR_HSTATEEN3 0x60F
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#define CSR_HSTATEEN3H 0x61F
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/* Virtual CSRs */
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#define CSR_VSSTATUS 0x200
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#define CSR_VSIE 0x204
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#define CSR_VSTVEC 0x205
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#define CSR_VSSCRATCH 0x240
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#define CSR_VSEPC 0x241
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#define CSR_VSCAUSE 0x242
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#define CSR_VSTVAL 0x243
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#define CSR_VSIP 0x244
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#define CSR_VSATP 0x280
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/* Sstc virtual CSRs */
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#define CSR_VSTIMECMP 0x24D
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#define CSR_VSTIMECMPH 0x25D
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#define CSR_MTINST 0x34a
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#define CSR_MTVAL2 0x34b
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/* Virtual Interrupts and Interrupt Priorities (H-extension with AIA) */
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#define CSR_HVIEN 0x608
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#define CSR_HVICTL 0x609
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#define CSR_HVIPRIO1 0x646
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#define CSR_HVIPRIO2 0x647
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/* VS-Level Window to Indirectly Accessed Registers (H-extension with AIA) */
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#define CSR_VSISELECT 0x250
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#define CSR_VSIREG 0x251
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/* VS-Level Interrupts (H-extension with AIA) */
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#define CSR_VSTOPEI 0x25c
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#define CSR_VSTOPI 0xeb0
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/* Hypervisor and VS-Level High-Half CSRs (H-extension with AIA) */
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#define CSR_HIDELEGH 0x613
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#define CSR_HVIENH 0x618
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#define CSR_HVIPH 0x655
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#define CSR_HVIPRIO1H 0x656
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#define CSR_HVIPRIO2H 0x657
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#define CSR_VSIEH 0x214
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#define CSR_VSIPH 0x254
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/* Machine Configuration CSRs */
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#define CSR_MENVCFG 0x30A
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#define CSR_MENVCFGH 0x31A
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/* Machine state CSRs */
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#define CSR_MSTATEEN0 0x30C
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#define CSR_MSTATEEN0H 0x31C
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#define CSR_MSTATEEN1 0x30D
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#define CSR_MSTATEEN1H 0x31D
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#define CSR_MSTATEEN2 0x30E
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#define CSR_MSTATEEN2H 0x31E
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#define CSR_MSTATEEN3 0x30F
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#define CSR_MSTATEEN3H 0x31F
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/* Common defines for all smstateen */
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#define SMSTATEEN_MAX_COUNT 4
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#define SMSTATEEN0_CS (1ULL << 0)
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#define SMSTATEEN0_FCSR (1ULL << 1)
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#define SMSTATEEN0_JVT (1ULL << 2)
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#define SMSTATEEN0_HSCONTXT (1ULL << 57)
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#define SMSTATEEN0_IMSIC (1ULL << 58)
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#define SMSTATEEN0_AIA (1ULL << 59)
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#define SMSTATEEN0_SVSLCT (1ULL << 60)
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#define SMSTATEEN0_HSENVCFG (1ULL << 62)
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#define SMSTATEEN_STATEEN (1ULL << 63)
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/* Enhanced Physical Memory Protection (ePMP) */
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#define CSR_MSECCFG 0x747
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#define CSR_MSECCFGH 0x757
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/* Physical Memory Protection */
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#define CSR_PMPCFG0 0x3a0
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#define CSR_PMPCFG1 0x3a1
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#define CSR_PMPCFG2 0x3a2
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#define CSR_PMPCFG3 0x3a3
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#define CSR_PMPADDR0 0x3b0
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#define CSR_PMPADDR1 0x3b1
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#define CSR_PMPADDR2 0x3b2
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#define CSR_PMPADDR3 0x3b3
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#define CSR_PMPADDR4 0x3b4
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#define CSR_PMPADDR5 0x3b5
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#define CSR_PMPADDR6 0x3b6
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#define CSR_PMPADDR7 0x3b7
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#define CSR_PMPADDR8 0x3b8
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#define CSR_PMPADDR9 0x3b9
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#define CSR_PMPADDR10 0x3ba
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#define CSR_PMPADDR11 0x3bb
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#define CSR_PMPADDR12 0x3bc
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#define CSR_PMPADDR13 0x3bd
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#define CSR_PMPADDR14 0x3be
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#define CSR_PMPADDR15 0x3bf
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/* Debug/Trace Registers (shared with Debug Mode) */
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#define CSR_TSELECT 0x7a0
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#define CSR_TDATA1 0x7a1
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#define CSR_TDATA2 0x7a2
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#define CSR_TDATA3 0x7a3
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#define CSR_TINFO 0x7a4
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/* Debug Mode Registers */
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#define CSR_DCSR 0x7b0
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#define CSR_DPC 0x7b1
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#define CSR_DSCRATCH 0x7b2
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/* Performance Counters */
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#define CSR_MHPMCOUNTER3 0xb03
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#define CSR_MHPMCOUNTER4 0xb04
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#define CSR_MHPMCOUNTER5 0xb05
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#define CSR_MHPMCOUNTER6 0xb06
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#define CSR_MHPMCOUNTER7 0xb07
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#define CSR_MHPMCOUNTER8 0xb08
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#define CSR_MHPMCOUNTER9 0xb09
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#define CSR_MHPMCOUNTER10 0xb0a
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#define CSR_MHPMCOUNTER11 0xb0b
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#define CSR_MHPMCOUNTER12 0xb0c
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#define CSR_MHPMCOUNTER13 0xb0d
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#define CSR_MHPMCOUNTER14 0xb0e
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#define CSR_MHPMCOUNTER15 0xb0f
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#define CSR_MHPMCOUNTER16 0xb10
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#define CSR_MHPMCOUNTER17 0xb11
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#define CSR_MHPMCOUNTER18 0xb12
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#define CSR_MHPMCOUNTER19 0xb13
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#define CSR_MHPMCOUNTER20 0xb14
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#define CSR_MHPMCOUNTER21 0xb15
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#define CSR_MHPMCOUNTER22 0xb16
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#define CSR_MHPMCOUNTER23 0xb17
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#define CSR_MHPMCOUNTER24 0xb18
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#define CSR_MHPMCOUNTER25 0xb19
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#define CSR_MHPMCOUNTER26 0xb1a
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#define CSR_MHPMCOUNTER27 0xb1b
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#define CSR_MHPMCOUNTER28 0xb1c
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#define CSR_MHPMCOUNTER29 0xb1d
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#define CSR_MHPMCOUNTER30 0xb1e
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#define CSR_MHPMCOUNTER31 0xb1f
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/* Machine counter-inhibit register */
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#define CSR_MCOUNTINHIBIT 0x320
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#define CSR_MHPMEVENT3 0x323
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#define CSR_MHPMEVENT4 0x324
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#define CSR_MHPMEVENT5 0x325
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#define CSR_MHPMEVENT6 0x326
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#define CSR_MHPMEVENT7 0x327
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#define CSR_MHPMEVENT8 0x328
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#define CSR_MHPMEVENT9 0x329
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#define CSR_MHPMEVENT10 0x32a
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#define CSR_MHPMEVENT11 0x32b
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#define CSR_MHPMEVENT12 0x32c
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#define CSR_MHPMEVENT13 0x32d
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#define CSR_MHPMEVENT14 0x32e
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#define CSR_MHPMEVENT15 0x32f
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#define CSR_MHPMEVENT16 0x330
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#define CSR_MHPMEVENT17 0x331
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#define CSR_MHPMEVENT18 0x332
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#define CSR_MHPMEVENT19 0x333
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#define CSR_MHPMEVENT20 0x334
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#define CSR_MHPMEVENT21 0x335
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#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_MHPMEVENT3H 0x723
|
|
#define CSR_MHPMEVENT4H 0x724
|
|
#define CSR_MHPMEVENT5H 0x725
|
|
#define CSR_MHPMEVENT6H 0x726
|
|
#define CSR_MHPMEVENT7H 0x727
|
|
#define CSR_MHPMEVENT8H 0x728
|
|
#define CSR_MHPMEVENT9H 0x729
|
|
#define CSR_MHPMEVENT10H 0x72a
|
|
#define CSR_MHPMEVENT11H 0x72b
|
|
#define CSR_MHPMEVENT12H 0x72c
|
|
#define CSR_MHPMEVENT13H 0x72d
|
|
#define CSR_MHPMEVENT14H 0x72e
|
|
#define CSR_MHPMEVENT15H 0x72f
|
|
#define CSR_MHPMEVENT16H 0x730
|
|
#define CSR_MHPMEVENT17H 0x731
|
|
#define CSR_MHPMEVENT18H 0x732
|
|
#define CSR_MHPMEVENT19H 0x733
|
|
#define CSR_MHPMEVENT20H 0x734
|
|
#define CSR_MHPMEVENT21H 0x735
|
|
#define CSR_MHPMEVENT22H 0x736
|
|
#define CSR_MHPMEVENT23H 0x737
|
|
#define CSR_MHPMEVENT24H 0x738
|
|
#define CSR_MHPMEVENT25H 0x739
|
|
#define CSR_MHPMEVENT26H 0x73a
|
|
#define CSR_MHPMEVENT27H 0x73b
|
|
#define CSR_MHPMEVENT28H 0x73c
|
|
#define CSR_MHPMEVENT29H 0x73d
|
|
#define CSR_MHPMEVENT30H 0x73e
|
|
#define CSR_MHPMEVENT31H 0x73f
|
|
|
|
#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
|
|
|
|
/*
|
|
* User PointerMasking registers
|
|
* NB: actual CSR numbers might be changed in future
|
|
*/
|
|
#define CSR_UMTE 0x4c0
|
|
#define CSR_UPMMASK 0x4c1
|
|
#define CSR_UPMBASE 0x4c2
|
|
|
|
/*
|
|
* Machine PointerMasking registers
|
|
* NB: actual CSR numbers might be changed in future
|
|
*/
|
|
#define CSR_MMTE 0x3c0
|
|
#define CSR_MPMMASK 0x3c1
|
|
#define CSR_MPMBASE 0x3c2
|
|
|
|
/*
|
|
* Supervisor PointerMaster registers
|
|
* NB: actual CSR numbers might be changed in future
|
|
*/
|
|
#define CSR_SMTE 0x1c0
|
|
#define CSR_SPMMASK 0x1c1
|
|
#define CSR_SPMBASE 0x1c2
|
|
|
|
/*
|
|
* Hypervisor PointerMaster registers
|
|
* NB: actual CSR numbers might be changed in future
|
|
*/
|
|
#define CSR_VSMTE 0x2c0
|
|
#define CSR_VSPMMASK 0x2c1
|
|
#define CSR_VSPMBASE 0x2c2
|
|
#define CSR_SCOUNTOVF 0xda0
|
|
|
|
/* Crypto Extension */
|
|
#define CSR_SEED 0x015
|
|
|
|
/* Zcmt Extension */
|
|
#define CSR_JVT 0x017
|
|
|
|
/* 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_UBE 0x00000040
|
|
#define MSTATUS_MPIE 0x00000080
|
|
#define MSTATUS_SPP 0x00000100
|
|
#define MSTATUS_VS 0x00000600
|
|
#define MSTATUS_MPP 0x00001800
|
|
#define MSTATUS_FS 0x00006000
|
|
#define MSTATUS_XS 0x00018000
|
|
#define MSTATUS_MPRV 0x00020000
|
|
#define MSTATUS_SUM 0x00040000 /* since: priv-1.10 */
|
|
#define MSTATUS_MXR 0x00080000
|
|
#define MSTATUS_TVM 0x00100000 /* since: priv-1.10 */
|
|
#define MSTATUS_TW 0x00200000 /* since: priv-1.10 */
|
|
#define MSTATUS_TSR 0x00400000 /* since: priv-1.10 */
|
|
#define MSTATUS_GVA 0x4000000000ULL
|
|
#define MSTATUS_MPV 0x8000000000ULL
|
|
|
|
#define MSTATUS64_UXL 0x0000000300000000ULL
|
|
#define MSTATUS64_SXL 0x0000000C00000000ULL
|
|
|
|
#define MSTATUS32_SD 0x80000000
|
|
#define MSTATUS64_SD 0x8000000000000000ULL
|
|
#define MSTATUSH128_SD 0x8000000000000000ULL
|
|
|
|
#define MISA32_MXL 0xC0000000
|
|
#define MISA64_MXL 0xC000000000000000ULL
|
|
|
|
typedef enum {
|
|
MXL_RV32 = 1,
|
|
MXL_RV64 = 2,
|
|
MXL_RV128 = 3,
|
|
} RISCVMXL;
|
|
|
|
/* 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_VS 0x00000600
|
|
#define SSTATUS_FS 0x00006000
|
|
#define SSTATUS_XS 0x00018000
|
|
#define SSTATUS_SUM 0x00040000 /* since: priv-1.10 */
|
|
#define SSTATUS_MXR 0x00080000
|
|
|
|
#define SSTATUS64_UXL 0x0000000300000000ULL
|
|
|
|
#define SSTATUS32_SD 0x80000000
|
|
#define SSTATUS64_SD 0x8000000000000000ULL
|
|
|
|
/* 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_VTW 0x00200000
|
|
#define HSTATUS_VTSR 0x00400000
|
|
#define HSTATUS_VSXL 0x300000000
|
|
|
|
#define HSTATUS32_WPRI 0xFF8FF87E
|
|
#define HSTATUS64_WPRI 0xFFFFFFFFFF8FF87EULL
|
|
|
|
#define COUNTEREN_CY (1 << 0)
|
|
#define COUNTEREN_TM (1 << 1)
|
|
#define COUNTEREN_IR (1 << 2)
|
|
#define COUNTEREN_HPM3 (1 << 3)
|
|
|
|
/* vsstatus CSR bits */
|
|
#define VSSTATUS64_UXL 0x0000000300000000ULL
|
|
|
|
/* Privilege modes */
|
|
#define PRV_U 0
|
|
#define PRV_S 1
|
|
#define PRV_RESERVED 2
|
|
#define PRV_M 3
|
|
|
|
/* 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
|
|
|
|
/* 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 */
|
|
#define PTE_PBMT 0x6000000000000000ULL /* Page-based memory types */
|
|
#define PTE_N 0x8000000000000000ULL /* NAPOT translation */
|
|
#define PTE_RESERVED 0x1FC0000000000000ULL /* Reserved bits */
|
|
#define PTE_ATTR (PTE_N | PTE_PBMT) /* All attributes bits */
|
|
|
|
/* Page table PPN shift amount */
|
|
#define PTE_PPN_SHIFT 10
|
|
|
|
/* Page table PPN mask */
|
|
#define PTE_PPN_MASK 0x3FFFFFFFFFFC00ULL
|
|
|
|
/* Leaf page shift amount */
|
|
#define PGSHIFT 12
|
|
|
|
/* Default Reset Vector adress */
|
|
#define DEFAULT_RSTVEC 0x1000
|
|
|
|
/* Exception causes */
|
|
typedef enum RISCVException {
|
|
RISCV_EXCP_NONE = -1, /* sentinel value */
|
|
RISCV_EXCP_INST_ADDR_MIS = 0x0,
|
|
RISCV_EXCP_INST_ACCESS_FAULT = 0x1,
|
|
RISCV_EXCP_ILLEGAL_INST = 0x2,
|
|
RISCV_EXCP_BREAKPOINT = 0x3,
|
|
RISCV_EXCP_LOAD_ADDR_MIS = 0x4,
|
|
RISCV_EXCP_LOAD_ACCESS_FAULT = 0x5,
|
|
RISCV_EXCP_STORE_AMO_ADDR_MIS = 0x6,
|
|
RISCV_EXCP_STORE_AMO_ACCESS_FAULT = 0x7,
|
|
RISCV_EXCP_U_ECALL = 0x8,
|
|
RISCV_EXCP_S_ECALL = 0x9,
|
|
RISCV_EXCP_VS_ECALL = 0xa,
|
|
RISCV_EXCP_M_ECALL = 0xb,
|
|
RISCV_EXCP_INST_PAGE_FAULT = 0xc, /* since: priv-1.10.0 */
|
|
RISCV_EXCP_LOAD_PAGE_FAULT = 0xd, /* since: priv-1.10.0 */
|
|
RISCV_EXCP_STORE_PAGE_FAULT = 0xf, /* since: priv-1.10.0 */
|
|
RISCV_EXCP_SEMIHOST = 0x10,
|
|
RISCV_EXCP_INST_GUEST_PAGE_FAULT = 0x14,
|
|
RISCV_EXCP_LOAD_GUEST_ACCESS_FAULT = 0x15,
|
|
RISCV_EXCP_VIRT_INSTRUCTION_FAULT = 0x16,
|
|
RISCV_EXCP_STORE_GUEST_AMO_ACCESS_FAULT = 0x17,
|
|
} RISCVException;
|
|
|
|
#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
|
|
#define IRQ_S_GEXT 12
|
|
#define IRQ_PMU_OVF 13
|
|
#define IRQ_LOCAL_MAX 16
|
|
#define IRQ_LOCAL_GUEST_MAX (TARGET_LONG_BITS - 1)
|
|
|
|
/* 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)
|
|
#define MIP_SGEIP (1 << IRQ_S_GEXT)
|
|
#define MIP_LCOFIP (1 << IRQ_PMU_OVF)
|
|
|
|
/* sip masks */
|
|
#define SIP_SSIP MIP_SSIP
|
|
#define SIP_STIP MIP_STIP
|
|
#define SIP_SEIP MIP_SEIP
|
|
#define SIP_LCOFIP MIP_LCOFIP
|
|
|
|
/* 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)
|
|
|
|
/* General PointerMasking CSR bits */
|
|
#define PM_ENABLE 0x00000001ULL
|
|
#define PM_CURRENT 0x00000002ULL
|
|
#define PM_INSN 0x00000004ULL
|
|
|
|
/* Execution enviornment configuration bits */
|
|
#define MENVCFG_FIOM BIT(0)
|
|
#define MENVCFG_CBIE (3UL << 4)
|
|
#define MENVCFG_CBCFE BIT(6)
|
|
#define MENVCFG_CBZE BIT(7)
|
|
#define MENVCFG_HADE (1ULL << 61)
|
|
#define MENVCFG_PBMTE (1ULL << 62)
|
|
#define MENVCFG_STCE (1ULL << 63)
|
|
|
|
/* For RV32 */
|
|
#define MENVCFGH_HADE BIT(29)
|
|
#define MENVCFGH_PBMTE BIT(30)
|
|
#define MENVCFGH_STCE BIT(31)
|
|
|
|
#define SENVCFG_FIOM MENVCFG_FIOM
|
|
#define SENVCFG_CBIE MENVCFG_CBIE
|
|
#define SENVCFG_CBCFE MENVCFG_CBCFE
|
|
#define SENVCFG_CBZE MENVCFG_CBZE
|
|
|
|
#define HENVCFG_FIOM MENVCFG_FIOM
|
|
#define HENVCFG_CBIE MENVCFG_CBIE
|
|
#define HENVCFG_CBCFE MENVCFG_CBCFE
|
|
#define HENVCFG_CBZE MENVCFG_CBZE
|
|
#define HENVCFG_HADE MENVCFG_HADE
|
|
#define HENVCFG_PBMTE MENVCFG_PBMTE
|
|
#define HENVCFG_STCE MENVCFG_STCE
|
|
|
|
/* For RV32 */
|
|
#define HENVCFGH_HADE MENVCFGH_HADE
|
|
#define HENVCFGH_PBMTE MENVCFGH_PBMTE
|
|
#define HENVCFGH_STCE MENVCFGH_STCE
|
|
|
|
/* Offsets for every pair of control bits per each priv level */
|
|
#define XS_OFFSET 0ULL
|
|
#define U_OFFSET 2ULL
|
|
#define S_OFFSET 5ULL
|
|
#define M_OFFSET 8ULL
|
|
|
|
#define PM_XS_BITS (EXT_STATUS_MASK << XS_OFFSET)
|
|
#define U_PM_ENABLE (PM_ENABLE << U_OFFSET)
|
|
#define U_PM_CURRENT (PM_CURRENT << U_OFFSET)
|
|
#define U_PM_INSN (PM_INSN << U_OFFSET)
|
|
#define S_PM_ENABLE (PM_ENABLE << S_OFFSET)
|
|
#define S_PM_CURRENT (PM_CURRENT << S_OFFSET)
|
|
#define S_PM_INSN (PM_INSN << S_OFFSET)
|
|
#define M_PM_ENABLE (PM_ENABLE << M_OFFSET)
|
|
#define M_PM_CURRENT (PM_CURRENT << M_OFFSET)
|
|
#define M_PM_INSN (PM_INSN << M_OFFSET)
|
|
|
|
/* mmte CSR bits */
|
|
#define MMTE_PM_XS_BITS PM_XS_BITS
|
|
#define MMTE_U_PM_ENABLE U_PM_ENABLE
|
|
#define MMTE_U_PM_CURRENT U_PM_CURRENT
|
|
#define MMTE_U_PM_INSN U_PM_INSN
|
|
#define MMTE_S_PM_ENABLE S_PM_ENABLE
|
|
#define MMTE_S_PM_CURRENT S_PM_CURRENT
|
|
#define MMTE_S_PM_INSN S_PM_INSN
|
|
#define MMTE_M_PM_ENABLE M_PM_ENABLE
|
|
#define MMTE_M_PM_CURRENT M_PM_CURRENT
|
|
#define MMTE_M_PM_INSN M_PM_INSN
|
|
#define MMTE_MASK (MMTE_U_PM_ENABLE | MMTE_U_PM_CURRENT | MMTE_U_PM_INSN | \
|
|
MMTE_S_PM_ENABLE | MMTE_S_PM_CURRENT | MMTE_S_PM_INSN | \
|
|
MMTE_M_PM_ENABLE | MMTE_M_PM_CURRENT | MMTE_M_PM_INSN | \
|
|
MMTE_PM_XS_BITS)
|
|
|
|
/* (v)smte CSR bits */
|
|
#define SMTE_PM_XS_BITS PM_XS_BITS
|
|
#define SMTE_U_PM_ENABLE U_PM_ENABLE
|
|
#define SMTE_U_PM_CURRENT U_PM_CURRENT
|
|
#define SMTE_U_PM_INSN U_PM_INSN
|
|
#define SMTE_S_PM_ENABLE S_PM_ENABLE
|
|
#define SMTE_S_PM_CURRENT S_PM_CURRENT
|
|
#define SMTE_S_PM_INSN S_PM_INSN
|
|
#define SMTE_MASK (SMTE_U_PM_ENABLE | SMTE_U_PM_CURRENT | SMTE_U_PM_INSN | \
|
|
SMTE_S_PM_ENABLE | SMTE_S_PM_CURRENT | SMTE_S_PM_INSN | \
|
|
SMTE_PM_XS_BITS)
|
|
|
|
/* umte CSR bits */
|
|
#define UMTE_U_PM_ENABLE U_PM_ENABLE
|
|
#define UMTE_U_PM_CURRENT U_PM_CURRENT
|
|
#define UMTE_U_PM_INSN U_PM_INSN
|
|
#define UMTE_MASK (UMTE_U_PM_ENABLE | MMTE_U_PM_CURRENT | UMTE_U_PM_INSN)
|
|
|
|
/* MISELECT, SISELECT, and VSISELECT bits (AIA) */
|
|
#define ISELECT_IPRIO0 0x30
|
|
#define ISELECT_IPRIO15 0x3f
|
|
#define ISELECT_IMSIC_EIDELIVERY 0x70
|
|
#define ISELECT_IMSIC_EITHRESHOLD 0x72
|
|
#define ISELECT_IMSIC_EIP0 0x80
|
|
#define ISELECT_IMSIC_EIP63 0xbf
|
|
#define ISELECT_IMSIC_EIE0 0xc0
|
|
#define ISELECT_IMSIC_EIE63 0xff
|
|
#define ISELECT_IMSIC_FIRST ISELECT_IMSIC_EIDELIVERY
|
|
#define ISELECT_IMSIC_LAST ISELECT_IMSIC_EIE63
|
|
#define ISELECT_MASK 0x1ff
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/* Dummy [M|S|VS]ISELECT value for emulating [M|S|VS]TOPEI CSRs */
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#define ISELECT_IMSIC_TOPEI (ISELECT_MASK + 1)
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/* IMSIC bits (AIA) */
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#define IMSIC_TOPEI_IID_SHIFT 16
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#define IMSIC_TOPEI_IID_MASK 0x7ff
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#define IMSIC_TOPEI_IPRIO_MASK 0x7ff
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#define IMSIC_EIPx_BITS 32
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#define IMSIC_EIEx_BITS 32
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/* MTOPI and STOPI bits (AIA) */
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#define TOPI_IID_SHIFT 16
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#define TOPI_IID_MASK 0xfff
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#define TOPI_IPRIO_MASK 0xff
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/* Interrupt priority bits (AIA) */
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#define IPRIO_IRQ_BITS 8
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#define IPRIO_MMAXIPRIO 255
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#define IPRIO_DEFAULT_UPPER 4
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#define IPRIO_DEFAULT_MIDDLE (IPRIO_DEFAULT_UPPER + 12)
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#define IPRIO_DEFAULT_M IPRIO_DEFAULT_MIDDLE
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#define IPRIO_DEFAULT_S (IPRIO_DEFAULT_M + 3)
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#define IPRIO_DEFAULT_SGEXT (IPRIO_DEFAULT_S + 3)
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#define IPRIO_DEFAULT_VS (IPRIO_DEFAULT_SGEXT + 1)
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#define IPRIO_DEFAULT_LOWER (IPRIO_DEFAULT_VS + 3)
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/* HVICTL bits (AIA) */
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#define HVICTL_VTI 0x40000000
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#define HVICTL_IID 0x0fff0000
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#define HVICTL_IPRIOM 0x00000100
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#define HVICTL_IPRIO 0x000000ff
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#define HVICTL_VALID_MASK \
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(HVICTL_VTI | HVICTL_IID | HVICTL_IPRIOM | HVICTL_IPRIO)
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/* seed CSR bits */
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#define SEED_OPST (0b11 << 30)
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#define SEED_OPST_BIST (0b00 << 30)
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#define SEED_OPST_WAIT (0b01 << 30)
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#define SEED_OPST_ES16 (0b10 << 30)
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#define SEED_OPST_DEAD (0b11 << 30)
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/* PMU related bits */
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#define MIE_LCOFIE (1 << IRQ_PMU_OVF)
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#define MHPMEVENT_BIT_OF BIT_ULL(63)
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#define MHPMEVENTH_BIT_OF BIT(31)
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#define MHPMEVENT_BIT_MINH BIT_ULL(62)
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#define MHPMEVENTH_BIT_MINH BIT(30)
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#define MHPMEVENT_BIT_SINH BIT_ULL(61)
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#define MHPMEVENTH_BIT_SINH BIT(29)
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#define MHPMEVENT_BIT_UINH BIT_ULL(60)
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#define MHPMEVENTH_BIT_UINH BIT(28)
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#define MHPMEVENT_BIT_VSINH BIT_ULL(59)
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#define MHPMEVENTH_BIT_VSINH BIT(27)
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#define MHPMEVENT_BIT_VUINH BIT_ULL(58)
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#define MHPMEVENTH_BIT_VUINH BIT(26)
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#define MHPMEVENT_SSCOF_MASK _ULL(0xFFFF000000000000)
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#define MHPMEVENT_IDX_MASK 0xFFFFF
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#define MHPMEVENT_SSCOF_RESVD 16
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/* JVT CSR bits */
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#define JVT_MODE 0x3F
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#define JVT_BASE (~0x3F)
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#endif
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