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/*=======================================================================================*/
/* This Sail RISC-V architecture model, comprising all files and */
/* directories except where otherwise noted is subject the BSD */
/* two-clause license in the LICENSE file. */
/* */
/* SPDX-License-Identifier: BSD-2-Clause */
/*=======================================================================================*/
/* Mapping of csr addresses to their names. */
val csr_name_map : csreg <-> string
scattered mapping csr_name_map
/* user trap setup */
mapping clause csr_name_map = 0x000 <-> "ustatus"
mapping clause csr_name_map = 0x004 <-> "uie"
mapping clause csr_name_map = 0x005 <-> "utvec"
/* user trap handling */
mapping clause csr_name_map = 0x040 <-> "uscratch"
mapping clause csr_name_map = 0x041 <-> "uepc"
mapping clause csr_name_map = 0x042 <-> "ucause"
mapping clause csr_name_map = 0x043 <-> "utval"
mapping clause csr_name_map = 0x044 <-> "uip"
/* user floating-point context */
mapping clause csr_name_map = 0x001 <-> "fflags"
mapping clause csr_name_map = 0x002 <-> "frm"
mapping clause csr_name_map = 0x003 <-> "fcsr"
/* user entropy source */
mapping clause csr_name_map = 0x015 <-> "seed"
/* counter/timers */
mapping clause csr_name_map = 0xC00 <-> "cycle"
mapping clause csr_name_map = 0xC01 <-> "time"
mapping clause csr_name_map = 0xC02 <-> "instret"
mapping clause csr_name_map = 0xC80 <-> "cycleh"
mapping clause csr_name_map = 0xC81 <-> "timeh"
mapping clause csr_name_map = 0xC82 <-> "instreth"
/* TODO: other hpm counters */
/* supervisor trap setup */
mapping clause csr_name_map = 0x100 <-> "sstatus"
mapping clause csr_name_map = 0x102 <-> "sedeleg"
mapping clause csr_name_map = 0x103 <-> "sideleg"
mapping clause csr_name_map = 0x104 <-> "sie"
mapping clause csr_name_map = 0x105 <-> "stvec"
mapping clause csr_name_map = 0x106 <-> "scounteren"
/* supervisor trap handling */
mapping clause csr_name_map = 0x140 <-> "sscratch"
mapping clause csr_name_map = 0x141 <-> "sepc"
mapping clause csr_name_map = 0x142 <-> "scause"
mapping clause csr_name_map = 0x143 <-> "stval"
mapping clause csr_name_map = 0x144 <-> "sip"
/* supervisor protection and translation */
mapping clause csr_name_map = 0x180 <-> "satp"
/* supervisor envcfg */
mapping clause csr_name_map = 0x10A <-> "senvcfg"
/* machine information registers */
mapping clause csr_name_map = 0xF11 <-> "mvendorid"
mapping clause csr_name_map = 0xF12 <-> "marchid"
mapping clause csr_name_map = 0xF13 <-> "mimpid"
mapping clause csr_name_map = 0xF14 <-> "mhartid"
mapping clause csr_name_map = 0xF15 <-> "mconfigptr"
/* machine trap setup */
mapping clause csr_name_map = 0x300 <-> "mstatus"
mapping clause csr_name_map = 0x301 <-> "misa"
mapping clause csr_name_map = 0x302 <-> "medeleg"
mapping clause csr_name_map = 0x303 <-> "mideleg"
mapping clause csr_name_map = 0x304 <-> "mie"
mapping clause csr_name_map = 0x305 <-> "mtvec"
mapping clause csr_name_map = 0x306 <-> "mcounteren"
mapping clause csr_name_map = 0x320 <-> "mcountinhibit"
/* machine envcfg */
mapping clause csr_name_map = 0x30A <-> "menvcfg"
/* machine trap handling */
mapping clause csr_name_map = 0x340 <-> "mscratch"
mapping clause csr_name_map = 0x341 <-> "mepc"
mapping clause csr_name_map = 0x342 <-> "mcause"
mapping clause csr_name_map = 0x343 <-> "mtval"
mapping clause csr_name_map = 0x344 <-> "mip"
/* machine protection and translation */
mapping clause csr_name_map = 0x3A0 <-> "pmpcfg0"
mapping clause csr_name_map = 0x3A1 <-> "pmpcfg1"
mapping clause csr_name_map = 0x3A2 <-> "pmpcfg2"
mapping clause csr_name_map = 0x3A3 <-> "pmpcfg3"
mapping clause csr_name_map = 0x3A4 <-> "pmpcfg4"
mapping clause csr_name_map = 0x3A5 <-> "pmpcfg5"
mapping clause csr_name_map = 0x3A6 <-> "pmpcfg6"
mapping clause csr_name_map = 0x3A7 <-> "pmpcfg7"
mapping clause csr_name_map = 0x3A8 <-> "pmpcfg8"
mapping clause csr_name_map = 0x3A9 <-> "pmpcfg9"
mapping clause csr_name_map = 0x3AA <-> "pmpcfg10"
mapping clause csr_name_map = 0x3AB <-> "pmpcfg11"
mapping clause csr_name_map = 0x3AC <-> "pmpcfg12"
mapping clause csr_name_map = 0x3AD <-> "pmpcfg13"
mapping clause csr_name_map = 0x3AE <-> "pmpcfg14"
mapping clause csr_name_map = 0x3AF <-> "pmpcfg15"
mapping clause csr_name_map = 0x3B0 <-> "pmpaddr0"
mapping clause csr_name_map = 0x3B1 <-> "pmpaddr1"
mapping clause csr_name_map = 0x3B2 <-> "pmpaddr2"
mapping clause csr_name_map = 0x3B3 <-> "pmpaddr3"
mapping clause csr_name_map = 0x3B4 <-> "pmpaddr4"
mapping clause csr_name_map = 0x3B5 <-> "pmpaddr5"
mapping clause csr_name_map = 0x3B6 <-> "pmpaddr6"
mapping clause csr_name_map = 0x3B7 <-> "pmpaddr7"
mapping clause csr_name_map = 0x3B8 <-> "pmpaddr8"
mapping clause csr_name_map = 0x3B9 <-> "pmpaddr9"
mapping clause csr_name_map = 0x3BA <-> "pmpaddr10"
mapping clause csr_name_map = 0x3BB <-> "pmpaddr11"
mapping clause csr_name_map = 0x3BC <-> "pmpaddr12"
mapping clause csr_name_map = 0x3BD <-> "pmpaddr13"
mapping clause csr_name_map = 0x3BE <-> "pmpaddr14"
mapping clause csr_name_map = 0x3BF <-> "pmpaddr15"
mapping clause csr_name_map = 0x3C0 <-> "pmpaddr16"
mapping clause csr_name_map = 0x3C1 <-> "pmpaddr17"
mapping clause csr_name_map = 0x3C2 <-> "pmpaddr18"
mapping clause csr_name_map = 0x3C3 <-> "pmpaddr19"
mapping clause csr_name_map = 0x3C4 <-> "pmpaddr20"
mapping clause csr_name_map = 0x3C5 <-> "pmpaddr21"
mapping clause csr_name_map = 0x3C6 <-> "pmpaddr22"
mapping clause csr_name_map = 0x3C7 <-> "pmpaddr23"
mapping clause csr_name_map = 0x3C8 <-> "pmpaddr24"
mapping clause csr_name_map = 0x3C9 <-> "pmpaddr25"
mapping clause csr_name_map = 0x3CA <-> "pmpaddr26"
mapping clause csr_name_map = 0x3CB <-> "pmpaddr27"
mapping clause csr_name_map = 0x3CC <-> "pmpaddr28"
mapping clause csr_name_map = 0x3CD <-> "pmpaddr29"
mapping clause csr_name_map = 0x3CE <-> "pmpaddr30"
mapping clause csr_name_map = 0x3CF <-> "pmpaddr31"
mapping clause csr_name_map = 0x3D0 <-> "pmpaddr32"
mapping clause csr_name_map = 0x3D1 <-> "pmpaddr33"
mapping clause csr_name_map = 0x3D2 <-> "pmpaddr34"
mapping clause csr_name_map = 0x3D3 <-> "pmpaddr35"
mapping clause csr_name_map = 0x3D4 <-> "pmpaddr36"
mapping clause csr_name_map = 0x3D5 <-> "pmpaddr37"
mapping clause csr_name_map = 0x3D6 <-> "pmpaddr38"
mapping clause csr_name_map = 0x3D7 <-> "pmpaddr39"
mapping clause csr_name_map = 0x3D8 <-> "pmpaddr40"
mapping clause csr_name_map = 0x3D9 <-> "pmpaddr41"
mapping clause csr_name_map = 0x3DA <-> "pmpaddr42"
mapping clause csr_name_map = 0x3DB <-> "pmpaddr43"
mapping clause csr_name_map = 0x3DC <-> "pmpaddr44"
mapping clause csr_name_map = 0x3DD <-> "pmpaddr45"
mapping clause csr_name_map = 0x3DE <-> "pmpaddr46"
mapping clause csr_name_map = 0x3DF <-> "pmpaddr47"
mapping clause csr_name_map = 0x3E0 <-> "pmpaddr48"
mapping clause csr_name_map = 0x3E1 <-> "pmpaddr49"
mapping clause csr_name_map = 0x3E2 <-> "pmpaddr50"
mapping clause csr_name_map = 0x3E3 <-> "pmpaddr51"
mapping clause csr_name_map = 0x3E4 <-> "pmpaddr52"
mapping clause csr_name_map = 0x3E5 <-> "pmpaddr53"
mapping clause csr_name_map = 0x3E6 <-> "pmpaddr54"
mapping clause csr_name_map = 0x3E7 <-> "pmpaddr55"
mapping clause csr_name_map = 0x3E8 <-> "pmpaddr56"
mapping clause csr_name_map = 0x3E9 <-> "pmpaddr57"
mapping clause csr_name_map = 0x3EA <-> "pmpaddr58"
mapping clause csr_name_map = 0x3EB <-> "pmpaddr59"
mapping clause csr_name_map = 0x3EC <-> "pmpaddr60"
mapping clause csr_name_map = 0x3ED <-> "pmpaddr61"
mapping clause csr_name_map = 0x3EE <-> "pmpaddr62"
mapping clause csr_name_map = 0x3EF <-> "pmpaddr63"
/* machine counters/timers */
mapping clause csr_name_map = 0xB00 <-> "mcycle"
mapping clause csr_name_map = 0xB02 <-> "minstret"
mapping clause csr_name_map = 0xB80 <-> "mcycleh"
mapping clause csr_name_map = 0xB82 <-> "minstreth"
/* TODO: other hpm counters and events */
/* trigger/debug */
mapping clause csr_name_map = 0x7a0 <-> "tselect"
mapping clause csr_name_map = 0x7a1 <-> "tdata1"
mapping clause csr_name_map = 0x7a2 <-> "tdata2"
mapping clause csr_name_map = 0x7a3 <-> "tdata3"
/* vector csrs */
mapping clause csr_name_map = 0x008 <-> "vstart"
mapping clause csr_name_map = 0x009 <-> "vxsat"
mapping clause csr_name_map = 0x00A <-> "vxrm"
mapping clause csr_name_map = 0x00F <-> "vcsr"
mapping clause csr_name_map = 0xC20 <-> "vl"
mapping clause csr_name_map = 0xC21 <-> "vtype"
mapping clause csr_name_map = 0xC22 <-> "vlenb"
val csr_name : csreg -> string
overload to_str = {csr_name}
/* Extensions may want to add additional CSR registers to the CSR address map.
* These scattered functions support access to such registers.
*
* The default implementation provides access to the CSRs added by the 'N'
* extension.
*/
/* returns whether a CSR is defined and accessible at a given address
* and privilege
*/
val ext_is_CSR_defined : (csreg, Privilege) -> bool
scattered function ext_is_CSR_defined
/* returns the value of the CSR if it is defined */
val ext_read_CSR : csreg -> option(xlenbits)
scattered function ext_read_CSR
/* returns new value (after legalisation) if the CSR is defined */
val ext_write_CSR : (csreg, xlenbits) -> option(xlenbits)
scattered function ext_write_CSR
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