/* Special Purpose Registers definitions Copyright (C) 2017-2023 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ #ifndef SPR_DEFS_H #define SPR_DEFS_H #define MAX_GRPS 32 #define MAX_SPRS_PER_GRP_BITS 11 /* Base addresses for the groups */ #define SPRGROUP_SYS (0<< MAX_SPRS_PER_GRP_BITS) #define SPRGROUP_DMMU (1<< MAX_SPRS_PER_GRP_BITS) #define SPRGROUP_IMMU (2<< MAX_SPRS_PER_GRP_BITS) #define SPRGROUP_DC (3<< MAX_SPRS_PER_GRP_BITS) #define SPRGROUP_IC (4<< MAX_SPRS_PER_GRP_BITS) #define SPRGROUP_MAC (5<< MAX_SPRS_PER_GRP_BITS) #define SPRGROUP_D (6<< MAX_SPRS_PER_GRP_BITS) #define SPRGROUP_PC (7<< MAX_SPRS_PER_GRP_BITS) #define SPRGROUP_PM (8<< MAX_SPRS_PER_GRP_BITS) #define SPRGROUP_PIC (9<< MAX_SPRS_PER_GRP_BITS) #define SPRGROUP_TT (10<< MAX_SPRS_PER_GRP_BITS) #define SPRGROUP_FP (11<< MAX_SPRS_PER_GRP_BITS) /* System control and status group */ #define SPR_VR (SPRGROUP_SYS + 0) #define SPR_UPR (SPRGROUP_SYS + 1) #define SPR_CPUCFGR (SPRGROUP_SYS + 2) #define SPR_DMMUCFGR (SPRGROUP_SYS + 3) #define SPR_IMMUCFGR (SPRGROUP_SYS + 4) #define SPR_DCCFGR (SPRGROUP_SYS + 5) #define SPR_ICCFGR (SPRGROUP_SYS + 6) #define SPR_DCFGR (SPRGROUP_SYS + 7) #define SPR_PCCFGR (SPRGROUP_SYS + 8) #define SPR_NPC (SPRGROUP_SYS + 16) #define SPR_SR (SPRGROUP_SYS + 17) #define SPR_PPC (SPRGROUP_SYS + 18) #define SPR_FPCSR (SPRGROUP_SYS + 20) #define SPR_EPCR_BASE (SPRGROUP_SYS + 32) #define SPR_EPCR_LAST (SPRGROUP_SYS + 47) #define SPR_EEAR_BASE (SPRGROUP_SYS + 48) #define SPR_EEAR_LAST (SPRGROUP_SYS + 63) #define SPR_ESR_BASE (SPRGROUP_SYS + 64) #define SPR_ESR_LAST (SPRGROUP_SYS + 79) #define SPR_GPR_BASE (SPRGROUP_SYS + 1024) /* Data MMU group */ #define SPR_DMMUCR (SPRGROUP_DMMU + 0) #define SPR_DMMUPR (SPRGROUP_DMMU + 1) #define SPR_DTLBEIR (SPRGROUP_DMMU + 2) #define SPR_DTLBMR_BASE(WAY) (SPRGROUP_DMMU + 0x200 + (WAY) * 0x100) #define SPR_DTLBMR_LAST(WAY) (SPRGROUP_DMMU + 0x27f + (WAY) * 0x100) #define SPR_DTLBTR_BASE(WAY) (SPRGROUP_DMMU + 0x280 + (WAY) * 0x100) #define SPR_DTLBTR_LAST(WAY) (SPRGROUP_DMMU + 0x2ff + (WAY) * 0x100) /* Instruction MMU group */ #define SPR_IMMUCR (SPRGROUP_IMMU + 0) #define SPR_ITLBEIR (SPRGROUP_IMMU + 2) #define SPR_ITLBMR_BASE(WAY) (SPRGROUP_IMMU + 0x200 + (WAY) * 0x100) #define SPR_ITLBMR_LAST(WAY) (SPRGROUP_IMMU + 0x27f + (WAY) * 0x100) #define SPR_ITLBTR_BASE(WAY) (SPRGROUP_IMMU + 0x280 + (WAY) * 0x100) #define SPR_ITLBTR_LAST(WAY) (SPRGROUP_IMMU + 0x2ff + (WAY) * 0x100) /* Data cache group */ #define SPR_DCCR (SPRGROUP_DC + 0) #define SPR_DCBPR (SPRGROUP_DC + 1) #define SPR_DCBFR (SPRGROUP_DC + 2) #define SPR_DCBIR (SPRGROUP_DC + 3) #define SPR_DCBWR (SPRGROUP_DC + 4) #define SPR_DCBLR (SPRGROUP_DC + 5) #define SPR_DCR_BASE(WAY) (SPRGROUP_DC + 0x200 + (WAY) * 0x200) #define SPR_DCR_LAST(WAY) (SPRGROUP_DC + 0x3ff + (WAY) * 0x200) /* Instruction cache group */ #define SPR_ICCR (SPRGROUP_IC + 0) #define SPR_ICBPR (SPRGROUP_IC + 1) #define SPR_ICBIR (SPRGROUP_IC + 2) #define SPR_ICBLR (SPRGROUP_IC + 3) #define SPR_ICR_BASE(WAY) (SPRGROUP_IC + 0x200 + (WAY) * 0x200) #define SPR_ICR_LAST(WAY) (SPRGROUP_IC + 0x3ff + (WAY) * 0x200) /* MAC group */ #define SPR_MACLO (SPRGROUP_MAC + 1) #define SPR_MACHI (SPRGROUP_MAC + 2) /* Bit definitions for the Supervision Register. */ #define SPR_SR_SM 0x00000001 /* Supervisor Mode */ #define SPR_SR_TEE 0x00000002 /* Tick timer Exception Enable */ #define SPR_SR_IEE 0x00000004 /* Interrupt Exception Enable */ #define SPR_SR_DCE 0x00000008 /* Data Cache Enable */ #define SPR_SR_ICE 0x00000010 /* Instruction Cache Enable */ #define SPR_SR_DME 0x00000020 /* Data MMU Enable */ #define SPR_SR_IME 0x00000040 /* Instruction MMU Enable */ #define SPR_SR_LEE 0x00000080 /* Little Endian Enable */ #define SPR_SR_CE 0x00000100 /* CID Enable */ #define SPR_SR_F 0x00000200 /* Condition Flag */ #define SPR_SR_CY 0x00000400 /* Carry flag */ #define SPR_SR_OV 0x00000800 /* Overflow flag */ #define SPR_SR_OVE 0x00001000 /* Overflow flag Exception */ #define SPR_SR_DSX 0x00002000 /* Delay Slot Exception */ #define SPR_SR_EPH 0x00004000 /* Exception Prefix High */ #define SPR_SR_FO 0x00008000 /* Fixed one */ #define SPR_SR_SUMRA 0x00010000 /* Supervisor SPR read access */ #define SPR_SR_RES 0x0ffe0000 /* Reserved */ #define SPR_SR_CID 0xf0000000 /* Context ID */ #endif /* SPR_DEFS_H */