Ronak Kanabar | 1ae366f | 2023-06-07 01:21:56 +0530 | [diff] [blame^] | 1 | /** @file |
| 2 | RISC-V CSR encodings |
| 3 | |
| 4 | Copyright (c) 2019, Western Digital Corporation or its affiliates. All rights reserved.<BR> |
| 5 | Copyright (c) 2022, Ventana Micro Systems Inc. All rights reserved.<BR> |
| 6 | SPDX-License-Identifier: BSD-2-Clause-Patent |
| 7 | |
| 8 | **/ |
| 9 | |
| 10 | #ifndef RISCV_ENCODING_H_ |
| 11 | #define RISCV_ENCODING_H_ |
| 12 | |
| 13 | #define MSTATUS_SIE 0x00000002UL |
| 14 | #define MSTATUS_MIE 0x00000008UL |
| 15 | #define MSTATUS_SPIE_SHIFT 5 |
| 16 | #define MSTATUS_SPIE (1UL << MSTATUS_SPIE_SHIFT) |
| 17 | #define MSTATUS_UBE 0x00000040UL |
| 18 | #define MSTATUS_MPIE 0x00000080UL |
| 19 | #define MSTATUS_SPP_SHIFT 8 |
| 20 | #define MSTATUS_SPP (1UL << MSTATUS_SPP_SHIFT) |
| 21 | #define MSTATUS_MPP_SHIFT 11 |
| 22 | #define MSTATUS_MPP (3UL << MSTATUS_MPP_SHIFT) |
| 23 | |
| 24 | #define SSTATUS_SIE MSTATUS_SIE |
| 25 | #define SSTATUS_SPIE_SHIFT MSTATUS_SPIE_SHIFT |
| 26 | #define SSTATUS_SPIE MSTATUS_SPIE |
| 27 | #define SSTATUS_SPP_SHIFT MSTATUS_SPP_SHIFT |
| 28 | #define SSTATUS_SPP MSTATUS_SPP |
| 29 | |
| 30 | #define IRQ_S_SOFT 1 |
| 31 | #define IRQ_VS_SOFT 2 |
| 32 | #define IRQ_M_SOFT 3 |
| 33 | #define IRQ_S_TIMER 5 |
| 34 | #define IRQ_VS_TIMER 6 |
| 35 | #define IRQ_M_TIMER 7 |
| 36 | #define IRQ_S_EXT 9 |
| 37 | #define IRQ_VS_EXT 10 |
| 38 | #define IRQ_M_EXT 11 |
| 39 | #define IRQ_S_GEXT 12 |
| 40 | #define IRQ_PMU_OVF 13 |
| 41 | |
| 42 | #define MIP_SSIP (1UL << IRQ_S_SOFT) |
| 43 | #define MIP_VSSIP (1UL << IRQ_VS_SOFT) |
| 44 | #define MIP_MSIP (1UL << IRQ_M_SOFT) |
| 45 | #define MIP_STIP (1UL << IRQ_S_TIMER) |
| 46 | #define MIP_VSTIP (1UL << IRQ_VS_TIMER) |
| 47 | #define MIP_MTIP (1UL << IRQ_M_TIMER) |
| 48 | #define MIP_SEIP (1UL << IRQ_S_EXT) |
| 49 | #define MIP_VSEIP (1UL << IRQ_VS_EXT) |
| 50 | #define MIP_MEIP (1UL << IRQ_M_EXT) |
| 51 | #define MIP_SGEIP (1UL << IRQ_S_GEXT) |
| 52 | #define MIP_LCOFIP (1UL << IRQ_PMU_OVF) |
| 53 | |
| 54 | #define SIP_SSIP MIP_SSIP |
| 55 | #define SIP_STIP MIP_STIP |
| 56 | |
| 57 | #define PRV_U 0UL |
| 58 | #define PRV_S 1UL |
| 59 | #define PRV_M 3UL |
| 60 | |
| 61 | #define SATP64_MODE 0xF000000000000000ULL |
| 62 | #define SATP64_ASID 0x0FFFF00000000000ULL |
| 63 | #define SATP64_PPN 0x00000FFFFFFFFFFFULL |
| 64 | |
| 65 | #define SATP_MODE_OFF 0UL |
| 66 | #define SATP_MODE_SV32 1UL |
| 67 | #define SATP_MODE_SV39 8UL |
| 68 | #define SATP_MODE_SV48 9UL |
| 69 | #define SATP_MODE_SV57 10UL |
| 70 | #define SATP_MODE_SV64 11UL |
| 71 | |
| 72 | #define SATP_MODE SATP64_MODE |
| 73 | |
| 74 | /* User Counters/Timers */ |
| 75 | #define CSR_CYCLE 0xc00 |
| 76 | #define CSR_TIME 0xc01 |
| 77 | |
| 78 | /* Supervisor Trap Setup */ |
| 79 | #define CSR_SSTATUS 0x100 |
| 80 | #define CSR_SEDELEG 0x102 |
| 81 | #define CSR_SIDELEG 0x103 |
| 82 | #define CSR_SIE 0x104 |
| 83 | #define CSR_STVEC 0x105 |
| 84 | |
| 85 | /* Supervisor Configuration */ |
| 86 | #define CSR_SENVCFG 0x10a |
| 87 | |
| 88 | /* Supervisor Trap Handling */ |
| 89 | #define CSR_SSCRATCH 0x140 |
| 90 | #define CSR_SEPC 0x141 |
| 91 | #define CSR_SCAUSE 0x142 |
| 92 | #define CSR_STVAL 0x143 |
| 93 | #define CSR_SIP 0x144 |
| 94 | |
| 95 | /* Supervisor Protection and Translation */ |
| 96 | #define CSR_SATP 0x180 |
| 97 | |
| 98 | /* Trap/Exception Causes */ |
| 99 | #define CAUSE_MISALIGNED_FETCH 0x0 |
| 100 | #define CAUSE_FETCH_ACCESS 0x1 |
| 101 | #define CAUSE_ILLEGAL_INSTRUCTION 0x2 |
| 102 | #define CAUSE_BREAKPOINT 0x3 |
| 103 | #define CAUSE_MISALIGNED_LOAD 0x4 |
| 104 | #define CAUSE_LOAD_ACCESS 0x5 |
| 105 | #define CAUSE_MISALIGNED_STORE 0x6 |
| 106 | #define CAUSE_STORE_ACCESS 0x7 |
| 107 | #define CAUSE_USER_ECALL 0x8 |
| 108 | #define CAUSE_SUPERVISOR_ECALL 0x9 |
| 109 | #define CAUSE_VIRTUAL_SUPERVISOR_ECALL 0xa |
| 110 | #define CAUSE_MACHINE_ECALL 0xb |
| 111 | #define CAUSE_FETCH_PAGE_FAULT 0xc |
| 112 | #define CAUSE_LOAD_PAGE_FAULT 0xd |
| 113 | #define CAUSE_STORE_PAGE_FAULT 0xf |
| 114 | #define CAUSE_FETCH_GUEST_PAGE_FAULT 0x14 |
| 115 | #define CAUSE_LOAD_GUEST_PAGE_FAULT 0x15 |
| 116 | #define CAUSE_VIRTUAL_INST_FAULT 0x16 |
| 117 | #define CAUSE_STORE_GUEST_PAGE_FAULT 0x17 |
| 118 | |
| 119 | #endif |