Add a helper macro MSTATUS_MPV_ISSET() which will determine if the MSTATUS_MPV bit is set for both 32-bit and 64-bit RISC-V. Signed-off-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
		
			
				
	
	
		
			578 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			578 lines
		
	
	
		
			19 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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                 (target_ulong)(mask)) / ((mask) & ~((mask) << 1)))
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#define set_field(reg, mask, val) (((reg) & ~(target_ulong)(mask)) | \
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                 (((target_ulong)(val) * ((mask) & ~((mask) << 1))) & \
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                 (target_ulong)(mask)))
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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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/* 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 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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/* 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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/* Legacy Counter Setup (priv v1.9.1) */
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/* Update to #define CSR_MCOUNTINHIBIT 0x320 for 1.11.0 */
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#define CSR_MUCOUNTEREN     0x320
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#define CSR_MSCOUNTEREN     0x321
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#define CSR_MHCOUNTEREN     0x322
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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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/* Legacy Machine Trap Handling (priv v1.9.1) */
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#define CSR_MBADADDR        0x343
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/* Supervisor Trap Setup */
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#define CSR_SSTATUS         0x100
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#define CSR_SEDELEG         0x102
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#define CSR_SIDELEG         0x103
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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 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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/* Legacy Supervisor Trap Handling (priv v1.9.1) */
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#define CSR_SBADADDR        0x143
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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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/* 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_HTVAL           0x643
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#define CSR_HIP             0x644
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#define CSR_HTINST          0x64A
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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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#if defined(TARGET_RISCV32)
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#define HGATP_MODE           SATP32_MODE
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#define HGATP_VMID           SATP32_ASID
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#define HGATP_PPN            SATP32_PPN
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#endif
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#if defined(TARGET_RISCV64)
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#define HGATP_MODE           SATP64_MODE
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#define HGATP_VMID           SATP64_ASID
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#define HGATP_PPN            SATP64_PPN
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#endif
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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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#define CSR_MTINST          0x34a
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#define CSR_MTVAL2          0x34b
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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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/* 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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#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
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#define CSR_MHPMEVENT23     0x337
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#define CSR_MHPMEVENT24     0x338
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#define CSR_MHPMEVENT25     0x339
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#define CSR_MHPMEVENT26     0x33a
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#define CSR_MHPMEVENT27     0x33b
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#define CSR_MHPMEVENT28     0x33c
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#define CSR_MHPMEVENT29     0x33d
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#define CSR_MHPMEVENT30     0x33e
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#define CSR_MHPMEVENT31     0x33f
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#define CSR_MHPMCOUNTER3H   0xb83
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#define CSR_MHPMCOUNTER4H   0xb84
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#define CSR_MHPMCOUNTER5H   0xb85
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#define CSR_MHPMCOUNTER6H   0xb86
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#define CSR_MHPMCOUNTER7H   0xb87
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#define CSR_MHPMCOUNTER8H   0xb88
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#define CSR_MHPMCOUNTER9H   0xb89
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#define CSR_MHPMCOUNTER10H  0xb8a
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#define CSR_MHPMCOUNTER11H  0xb8b
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#define CSR_MHPMCOUNTER12H  0xb8c
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#define CSR_MHPMCOUNTER13H  0xb8d
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#define CSR_MHPMCOUNTER14H  0xb8e
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#define CSR_MHPMCOUNTER15H  0xb8f
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#define CSR_MHPMCOUNTER16H  0xb90
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#define CSR_MHPMCOUNTER17H  0xb91
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#define CSR_MHPMCOUNTER18H  0xb92
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#define CSR_MHPMCOUNTER19H  0xb93
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#define CSR_MHPMCOUNTER20H  0xb94
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#define CSR_MHPMCOUNTER21H  0xb95
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#define CSR_MHPMCOUNTER22H  0xb96
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#define CSR_MHPMCOUNTER23H  0xb97
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#define CSR_MHPMCOUNTER24H  0xb98
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#define CSR_MHPMCOUNTER25H  0xb99
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#define CSR_MHPMCOUNTER26H  0xb9a
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#define CSR_MHPMCOUNTER27H  0xb9b
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#define CSR_MHPMCOUNTER28H  0xb9c
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#define CSR_MHPMCOUNTER29H  0xb9d
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#define CSR_MHPMCOUNTER30H  0xb9e
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#define CSR_MHPMCOUNTER31H  0xb9f
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/* Legacy Machine Protection and Translation (priv v1.9.1) */
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#define CSR_MBASE           0x380
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#define CSR_MBOUND          0x381
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#define CSR_MIBASE          0x382
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#define CSR_MIBOUND         0x383
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#define CSR_MDBASE          0x384
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#define CSR_MDBOUND         0x385
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/* mstatus CSR bits */
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#define MSTATUS_UIE         0x00000001
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#define MSTATUS_SIE         0x00000002
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#define MSTATUS_MIE         0x00000008
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#define MSTATUS_UPIE        0x00000010
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#define MSTATUS_SPIE        0x00000020
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#define MSTATUS_MPIE        0x00000080
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#define MSTATUS_SPP         0x00000100
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#define MSTATUS_MPP         0x00001800
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#define MSTATUS_FS          0x00006000
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#define MSTATUS_XS          0x00018000
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#define MSTATUS_MPRV        0x00020000
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#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_MTL         0x4000000000ULL
 | 
						|
#define MSTATUS_MPV         0x8000000000ULL
 | 
						|
#elif defined(TARGET_RISCV32)
 | 
						|
#define MSTATUS_MTL         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_SPRV         0x00000001
 | 
						|
#define HSTATUS_SPV          0x00000080
 | 
						|
#define HSTATUS_SP2P         0x00000100
 | 
						|
#define HSTATUS_SP2V         0x00000200
 | 
						|
#define HSTATUS_VTVM         0x00100000
 | 
						|
#define HSTATUS_VTSR         0x00400000
 | 
						|
 | 
						|
#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
 | 
						|
 | 
						|
/* 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
 |