/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright (c) 2017 Microsemi Corporation. * Padmarao Begari, Microsemi Corporation */ #ifndef RISCV_CSR_ENCODING_H #define RISCV_CSR_ENCODING_H #ifdef CONFIG_RISCV_SMODE #define MODE_PREFIX(__suffix) s##__suffix #else #define MODE_PREFIX(__suffix) m##__suffix #endif #define MSTATUS_UIE 0x00000001 #define MSTATUS_SIE 0x00000002 #define MSTATUS_HIE 0x00000004 #define MSTATUS_MIE 0x00000008 #define MSTATUS_UPIE 0x00000010 #define MSTATUS_SPIE 0x00000020 #define MSTATUS_HPIE 0x00000040 #define MSTATUS_MPIE 0x00000080 #define MSTATUS_SPP 0x00000100 #define MSTATUS_HPP 0x00000600 #define MSTATUS_MPP 0x00001800 #define MSTATUS_FS 0x00006000 #define MSTATUS_XS 0x00018000 #define MSTATUS_MPRV 0x00020000 #define MSTATUS_PUM 0x00040000 #define MSTATUS_VM 0x1F000000 #define MSTATUS32_SD 0x80000000 #define MSTATUS64_SD 0x8000000000000000 #define MCAUSE32_CAUSE 0x7FFFFFFF #define MCAUSE64_CAUSE 0x7FFFFFFFFFFFFFFF #define MCAUSE32_INT 0x80000000 #define MCAUSE64_INT 0x8000000000000000 #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 #define SSTATUS32_SD 0x80000000 #define SSTATUS64_SD 0x8000000000000000 #define MIP_SSIP BIT(IRQ_S_SOFT) #define MIP_HSIP BIT(IRQ_H_SOFT) #define MIP_MSIP BIT(IRQ_M_SOFT) #define MIP_STIP BIT(IRQ_S_TIMER) #define MIP_HTIP BIT(IRQ_H_TIMER) #define MIP_MTIP BIT(IRQ_M_TIMER) #define MIP_SEIP BIT(IRQ_S_EXT) #define MIP_HEIP BIT(IRQ_H_EXT) #define MIP_MEIP BIT(IRQ_M_EXT) #define SIP_SSIP MIP_SSIP #define SIP_STIP MIP_STIP #define PRV_U 0 #define PRV_S 1 #define PRV_H 2 #define PRV_M 3 #define VM_MBARE 0 #define VM_MBB 1 #define VM_MBBID 2 #define VM_SV32 8 #define VM_SV39 9 #define VM_SV48 10 #define IRQ_S_SOFT 1 #define IRQ_H_SOFT 2 #define IRQ_M_SOFT 3 #define IRQ_S_TIMER 5 #define IRQ_H_TIMER 6 #define IRQ_M_TIMER 7 #define IRQ_S_EXT 9 #define IRQ_H_EXT 10 #define IRQ_M_EXT 11 #define IRQ_COP 12 #define IRQ_HOST 13 #define CAUSE_MISALIGNED_FETCH 0 #define CAUSE_FETCH_ACCESS 1 #define CAUSE_ILLEGAL_INSTRUCTION 2 #define CAUSE_BREAKPOINT 3 #define CAUSE_MISALIGNED_LOAD 4 #define CAUSE_LOAD_ACCESS 5 #define CAUSE_MISALIGNED_STORE 6 #define CAUSE_STORE_ACCESS 7 #define CAUSE_USER_ECALL 8 #define CAUSE_SUPERVISOR_ECALL 9 #define CAUSE_MACHINE_ECALL 11 #define CAUSE_FETCH_PAGE_FAULT 12 #define CAUSE_LOAD_PAGE_FAULT 13 #define CAUSE_STORE_PAGE_FAULT 15 #define DEFAULT_RSTVEC 0x00001000 #define DEFAULT_NMIVEC 0x00001004 #define DEFAULT_MTVEC 0x00001010 #define CONFIG_STRING_ADDR 0x0000100C #define EXT_IO_BASE 0x40000000 #define DRAM_BASE 0x80000000 // page table entry (PTE) fields #define PTE_V 0x001 // Valid #define PTE_TYPE 0x01E // Type #define PTE_R 0x020 // Referenced #define PTE_D 0x040 // Dirty #define PTE_SOFT 0x380 // Reserved for Software #define PTE_TYPE_TABLE 0x00 #define PTE_TYPE_TABLE_GLOBAL 0x02 #define PTE_TYPE_URX_SR 0x04 #define PTE_TYPE_URWX_SRW 0x06 #define PTE_TYPE_UR_SR 0x08 #define PTE_TYPE_URW_SRW 0x0A #define PTE_TYPE_URX_SRX 0x0C #define PTE_TYPE_URWX_SRWX0x0E #define PTE_TYPE_SR 0x10 #define PTE_TYPE_SRW 0x12 #define PTE_TYPE_SRX 0x14 #define PTE_TYPE_SRWX 0x16 #define PTE_TYPE_SR_GLOBAL 0x18 #define PTE_TYPE_SRW_GLOBAL 0x1A #define PTE_TYPE_SRX_GLOBAL 0x1C #define PTE_TYPE_SRWX_GLOBAL 0x1E #define PTE_PPN_SHIFT 10 #define PTE_TABLE(PTE) ((0x0000000AU >> ((PTE) & 0x1F)) & 1) #define PTE_UR(PTE) ((0x0000AAA0U >> ((PTE) & 0x1F)) & 1) #define PTE_UW(PTE) ((0x00008880U >> ((PTE) & 0x1F)) & 1) #define PTE_UX(PTE) ((0x0000A0A0U >> ((PTE) & 0x1F)) & 1) #define PTE_SR(PTE) ((0xAAAAAAA0U >> ((PTE) & 0x1F)) & 1) #define PTE_SW(PTE) ((0x88888880U >> ((PTE) & 0x1F)) & 1) #define PTE_SX(PTE) ((0xA0A0A000U >> ((PTE) & 0x1F)) & 1) #define PTE_CHECK_PERM(_PTE, _SUPERVISOR, STORE, FETCH) \ typeof(_PTE) (PTE) = (_PTE); \ typeof(_SUPERVISOR) (SUPERVISOR) = (_SUPERVISOR); \ ((STORE) ? ((SUPERVISOR) ? PTE_SW(PTE) : PTE_UW(PTE)) : \ (FETCH) ? ((SUPERVISOR) ? PTE_SX(PTE) : PTE_UX(PTE)) : \ ((SUPERVISOR) ? PTE_SR(PTE) : PTE_UR(PTE))) #ifdef __riscv #ifdef CONFIG_64BIT # define MSTATUS_SD MSTATUS64_SD # define SSTATUS_SD SSTATUS64_SD # define MCAUSE_INT MCAUSE64_INT # define MCAUSE_CAUSE MCAUSE64_CAUSE # define RISCV_PGLEVEL_BITS 9 #else # define MSTATUS_SD MSTATUS32_SD # define SSTATUS_SD SSTATUS32_SD # define RISCV_PGLEVEL_BITS 10 # define MCAUSE_INT MCAUSE32_INT # define MCAUSE_CAUSE MCAUSE32_CAUSE #endif #define RISCV_PGSHIFT 12 #define RISCV_PGSIZE BIT(RISCV_PGSHIFT) /* CSR numbers */ #define CSR_FFLAGS 0x1 #define CSR_FRM 0x2 #define CSR_FCSR 0x3 #define CSR_SSTATUS 0x100 #define CSR_SEDELEG 0x102 #define CSR_SIDELEG 0x103 #define CSR_SIE 0x104 #define CSR_STVEC 0x105 #define CSR_SCOUNTEREN 0x106 #define CSR_SSCRATCH 0x140 #define CSR_SEPC 0x141 #define CSR_SCAUSE 0x142 #define CSR_STVAL 0x143 #define CSR_SIP 0x144 #define CSR_SATP 0x180 #define CSR_MSTATUS 0x300 #define CSR_MISA 0x301 #define CSR_MEDELEG 0x302 #define CSR_MIDELEG 0x303 #define CSR_MIE 0x304 #define CSR_MTVEC 0x305 #define CSR_MCOUNTEREN 0x306 #define CSR_MHPMEVENT3 0x323 #define CSR_MHPMEVENT4 0x324 #define CSR_MHPMEVENT5 0x325 #define CSR_MHPMEVENT6 0x326 #define CSR_MHPMEVENT7 0x327 #define CSR_MHPMEVENT8 0x328 #define CSR_MHPMEVENT9 0x329 #define CSR_MHPMEVENT10 0x32a #define CSR_MHPMEVENT11 0x32b #define CSR_MHPMEVENT12 0x32c #define CSR_MHPMEVENT13 0x32d #define CSR_MHPMEVENT14 0x32e #define CSR_MHPMEVENT15 0x32f #define CSR_MHPMEVENT16 0x330 #define CSR_MHPMEVENT17 0x331 #define CSR_MHPMEVENT18 0x332 #define CSR_MHPMEVENT19 0x333 #define CSR_MHPMEVENT20 0x334 #define CSR_MHPMEVENT21 0x335 #define CSR_MHPMEVENT22 0x336 #define CSR_MHPMEVENT23 0x337 #define CSR_MHPMEVENT24 0x338 #define CSR_MHPMEVENT25 0x339 #define CSR_MHPMEVENT26 0x33a #define CSR_MHPMEVENT27 0x33b #define CSR_MHPMEVENT28 0x33c #define CSR_MHPMEVENT29 0x33d #define CSR_MHPMEVENT30 0x33e #define CSR_MHPMEVENT31 0x33f #define CSR_MSCRATCH 0x340 #define CSR_MEPC 0x341 #define CSR_MCAUSE 0x342 #define CSR_MTVAL 0x343 #define CSR_MIP 0x344 #define CSR_PMPCFG0 0x3a0 #define CSR_PMPCFG1 0x3a1 #define CSR_PMPCFG2 0x3a2 #define CSR_PMPCFG3 0x3a3 #define CSR_PMPADDR0 0x3b0 #define CSR_PMPADDR1 0x3b1 #define CSR_PMPADDR2 0x3b2 #define CSR_PMPADDR3 0x3b3 #define CSR_PMPADDR4 0x3b4 #define CSR_PMPADDR5 0x3b5 #define CSR_PMPADDR6 0x3b6 #define CSR_PMPADDR7 0x3b7 #define CSR_PMPADDR8 0x3b8 #define CSR_PMPADDR9 0x3b9 #define CSR_PMPADDR10 0x3ba #define CSR_PMPADDR11 0x3bb #define CSR_PMPADDR12 0x3bc #define CSR_PMPADDR13 0x3bd #define CSR_PMPADDR14 0x3be #define CSR_PMPADDR15 0x3bf #define CSR_TSELECT 0x7a0 #define CSR_TDATA1 0x7a1 #define CSR_TDATA2 0x7a2 #define CSR_TDATA3 0x7a3 #define CSR_DCSR 0x7b0 #define CSR_DPC 0x7b1 #define CSR_DSCRATCH 0x7b2 #define CSR_MCYCLE 0xb00 #define CSR_MINSTRET 0xb02 #define CSR_MHPMCOUNTER3 0xb03 #define CSR_MHPMCOUNTER4 0xb04 #define CSR_MHPMCOUNTER5 0xb05 #define CSR_MHPMCOUNTER6 0xb06 #define CSR_MHPMCOUNTER7 0xb07 #define CSR_MHPMCOUNTER8 0xb08 #define CSR_MHPMCOUNTER9 0xb09 #define CSR_MHPMCOUNTER10 0xb0a #define CSR_MHPMCOUNTER11 0xb0b #define CSR_MHPMCOUNTER12 0xb0c #define CSR_MHPMCOUNTER13 0xb0d #define CSR_MHPMCOUNTER14 0xb0e #define CSR_MHPMCOUNTER15 0xb0f #define CSR_MHPMCOUNTER16 0xb10 #define CSR_MHPMCOUNTER17 0xb11 #define CSR_MHPMCOUNTER18 0xb12 #define CSR_MHPMCOUNTER19 0xb13 #define CSR_MHPMCOUNTER20 0xb14 #define CSR_MHPMCOUNTER21 0xb15 #define CSR_MHPMCOUNTER22 0xb16 #define CSR_MHPMCOUNTER23 0xb17 #define CSR_MHPMCOUNTER24 0xb18 #define CSR_MHPMCOUNTER25 0xb19 #define CSR_MHPMCOUNTER26 0xb1a #define CSR_MHPMCOUNTER27 0xb1b #define CSR_MHPMCOUNTER28 0xb1c #define CSR_MHPMCOUNTER29 0xb1d #define CSR_MHPMCOUNTER30 0xb1e #define CSR_MHPMCOUNTER31 0xb1f #define CSR_MCYCLEH 0xb80 #define CSR_MINSTRETH 0xb82 #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 #define CSR_CYCLE 0xc00 #define CSR_TIME 0xc01 #define CSR_INSTRET 0xc02 #define CSR_HPMCOUNTER3 0xc03 #define CSR_HPMCOUNTER4 0xc04 #define CSR_HPMCOUNTER5 0xc05 #define CSR_HPMCOUNTER6 0xc06 #define CSR_HPMCOUNTER7 0xc07 #define CSR_HPMCOUNTER8 0xc08 #define CSR_HPMCOUNTER9 0xc09 #define CSR_HPMCOUNTER10 0xc0a #define CSR_HPMCOUNTER11 0xc0b #define CSR_HPMCOUNTER12 0xc0c #define CSR_HPMCOUNTER13 0xc0d #define CSR_HPMCOUNTER14 0xc0e #define CSR_HPMCOUNTER15 0xc0f #define CSR_HPMCOUNTER16 0xc10 #define CSR_HPMCOUNTER17 0xc11 #define CSR_HPMCOUNTER18 0xc12 #define CSR_HPMCOUNTER19 0xc13 #define CSR_HPMCOUNTER20 0xc14 #define CSR_HPMCOUNTER21 0xc15 #define CSR_HPMCOUNTER22 0xc16 #define CSR_HPMCOUNTER23 0xc17 #define CSR_HPMCOUNTER24 0xc18 #define CSR_HPMCOUNTER25 0xc19 #define CSR_HPMCOUNTER26 0xc1a #define CSR_HPMCOUNTER27 0xc1b #define CSR_HPMCOUNTER28 0xc1c #define CSR_HPMCOUNTER29 0xc1d #define CSR_HPMCOUNTER30 0xc1e #define CSR_HPMCOUNTER31 0xc1f #define CSR_CYCLEH 0xc80 #define CSR_TIMEH 0xc81 #define CSR_INSTRETH 0xc82 #define CSR_HPMCOUNTER3H 0xc83 #define CSR_HPMCOUNTER4H 0xc84 #define CSR_HPMCOUNTER5H 0xc85 #define CSR_HPMCOUNTER6H 0xc86 #define CSR_HPMCOUNTER7H 0xc87 #define CSR_HPMCOUNTER8H 0xc88 #define CSR_HPMCOUNTER9H 0xc89 #define CSR_HPMCOUNTER10H 0xc8a #define CSR_HPMCOUNTER11H 0xc8b #define CSR_HPMCOUNTER12H 0xc8c #define CSR_HPMCOUNTER13H 0xc8d #define CSR_HPMCOUNTER14H 0xc8e #define CSR_HPMCOUNTER15H 0xc8f #define CSR_HPMCOUNTER16H 0xc90 #define CSR_HPMCOUNTER17H 0xc91 #define CSR_HPMCOUNTER18H 0xc92 #define CSR_HPMCOUNTER19H 0xc93 #define CSR_HPMCOUNTER20H 0xc94 #define CSR_HPMCOUNTER21H 0xc95 #define CSR_HPMCOUNTER22H 0xc96 #define CSR_HPMCOUNTER23H 0xc97 #define CSR_HPMCOUNTER24H 0xc98 #define CSR_HPMCOUNTER25H 0xc99 #define CSR_HPMCOUNTER26H 0xc9a #define CSR_HPMCOUNTER27H 0xc9b #define CSR_HPMCOUNTER28H 0xc9c #define CSR_HPMCOUNTER29H 0xc9d #define CSR_HPMCOUNTER30H 0xc9e #define CSR_HPMCOUNTER31H 0xc9f #define CSR_MVENDORID 0xf11 #define CSR_MARCHID 0xf12 #define CSR_MIMPID 0xf13 #define CSR_MHARTID 0xf14 #endif /* __riscv */ #endif /* RISCV_CSR_ENCODING_H */