/* spr_defs.h -- Defines OR1K architecture specific special-purpose registers Copyright (C) 1999 Damjan Lampret, lampret@opencores.org This file is part of OpenRISC 1000 Architectural Simulator. 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 2 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; see the file COPYING. If not, see .  */ /* This file is also used by microkernel test bench. Among others it is also used in assembly file(s). */ /* Definition of special-purpose registers (SPRs) */ #define MAX_GRPS (32) #define MAX_SPRS_PER_GRP_BITS (11) #define MAX_SPRS_PER_GRP (1 << MAX_SPRS_PER_GRP_BITS) #define MAX_SPRS (0x10000) /* 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) /* 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) /* CZ 21/06/01 */ #define SPR_SR (SPRGROUP_SYS + 17) /* CZ 21/06/01 */ #define SPR_PPC (SPRGROUP_SYS + 18) /* CZ 21/06/01 */ #define SPR_EPCR_BASE (SPRGROUP_SYS + 32) /* CZ 21/06/01 */ #define SPR_EPCR_LAST (SPRGROUP_SYS + 47) /* CZ 21/06/01 */ #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) /* Data MMU group */ #define SPR_DMMUCR (SPRGROUP_DMMU + 0) #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_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) /* Debug group */ #define SPR_DVR(N) (SPRGROUP_D + (N)) #define SPR_DCR(N) (SPRGROUP_D + 8 + (N)) #define SPR_DMR1 (SPRGROUP_D + 16) #define SPR_DMR2 (SPRGROUP_D + 17) #define SPR_DWCR0 (SPRGROUP_D + 18) #define SPR_DWCR1 (SPRGROUP_D + 19) #define SPR_DSR (SPRGROUP_D + 20) #define SPR_DRR (SPRGROUP_D + 21) /* Performance counters group */ #define SPR_PCCR(N) (SPRGROUP_PC + (N)) #define SPR_PCMR(N) (SPRGROUP_PC + 8 + (N)) /* Power management group */ #define SPR_PMR (SPRGROUP_PM + 0) /* PIC group */ #define SPR_PICMR (SPRGROUP_PIC + 0) #define SPR_PICPR (SPRGROUP_PIC + 1) #define SPR_PICSR (SPRGROUP_PIC + 2) /* Tick Timer group */ #define SPR_TTMR (SPRGROUP_TT + 0) #define SPR_TTCR (SPRGROUP_TT + 1) /* * Bit definitions for the Version Register * */ #define SPR_VR_VER 0xffff0000 /* Processor version */ #define SPR_VR_REV 0x0000003f /* Processor revision */ /* * Bit definitions for the Unit Present Register * */ #define SPR_UPR_UP 0x00000001 /* UPR present */ #define SPR_UPR_DCP 0x00000002 /* Data cache present */ #define SPR_UPR_ICP 0x00000004 /* Instruction cache present */ #define SPR_UPR_DMP 0x00000008 /* Data MMU present */ #define SPR_UPR_IMP 0x00000010 /* Instruction MMU present */ #define SPR_UPR_OB32P 0x00000020 /* ORBIS32 present */ #define SPR_UPR_OB64P 0x00000040 /* ORBIS64 present */ #define SPR_UPR_OF32P 0x00000080 /* ORFPX32 present */ #define SPR_UPR_OF64P 0x00000100 /* ORFPX64 present */ #define SPR_UPR_OV32P 0x00000200 /* ORVDX32 present */ #define SPR_UPR_OV64P 0x00000400 /* ORVDX64 present */ #define SPR_UPR_DUP 0x00000800 /* Debug unit present */ #define SPR_UPR_PCUP 0x00001000 /* Performance counters unit present */ #define SPR_UPR_PMP 0x00002000 /* Power management present */ #define SPR_UPR_PICP 0x00004000 /* PIC present */ #define SPR_UPR_TTP 0x00008000 /* Tick timer present */ #define SPR_UPR_SRP 0x00010000 /* Shadow registers present */ #define SPR_UPR_RES 0x00fe0000 /* ORVDX32 present */ #define SPR_UPR_CUST 0xff000000 /* Custom units */ /* * Bit definitions for the Supervision Register * */ #define SPR_SR_CID 0xf0000000 /* Context ID */ #define SPR_SR_SUMRA 0x00010000 /* Supervisor SPR read access */ #define SPR_SR_FO 0x00008000 /* Fixed one */ #define SPR_SR_EPH 0x00004000 /* Exception Prefix High */ #define SPR_SR_DSX 0x00002000 /* Delay Slot Exception */ #define SPR_SR_OVE 0x00001000 /* Overflow flag Exception */ #define SPR_SR_OV 0x00000800 /* Overflow flag */ #define SPR_SR_CY 0x00000400 /* Carry flag */ #define SPR_SR_F 0x00000200 /* Condition Flag */ #define SPR_SR_CE 0x00000100 /* CID Enable */ #define SPR_SR_LEE 0x00000080 /* Little Endian Enable */ #define SPR_SR_IME 0x00000040 /* Instruction MMU Enable */ #define SPR_SR_DME 0x00000020 /* Data MMU Enable */ #define SPR_SR_ICE 0x00000010 /* Instruction Cache Enable */ #define SPR_SR_DCE 0x00000008 /* Data Cache Enable */ #define SPR_SR_IEE 0x00000004 /* Interrupt Exception Enable */ #define SPR_SR_TEE 0x00000002 /* Tick timer Exception Enable */ #define SPR_SR_SM 0x00000001 /* Supervisor Mode */ /* * Bit definitions for the Data MMU Control Register * */ #define SPR_DMMUCR_P2S 0x0000003e /* Level 2 Page Size */ #define SPR_DMMUCR_P1S 0x000007c0 /* Level 1 Page Size */ #define SPR_DMMUCR_VADDR_WIDTH 0x0000f800 /* Virtual ADDR Width */ #define SPR_DMMUCR_PADDR_WIDTH 0x000f0000 /* Physical ADDR Width */ /* * Bit definitions for the Instruction MMU Control Register * */ #define SPR_IMMUCR_P2S 0x0000003e /* Level 2 Page Size */ #define SPR_IMMUCR_P1S 0x000007c0 /* Level 1 Page Size */ #define SPR_IMMUCR_VADDR_WIDTH 0x0000f800 /* Virtual ADDR Width */ #define SPR_IMMUCR_PADDR_WIDTH 0x000f0000 /* Physical ADDR Width */ /* * Bit definitions for the Data TLB Match Register * */ #define SPR_DTLBMR_V 0x00000001 /* Valid */ #define SPR_DTLBMR_PL1 0x00000002 /* Page Level 1 (if 0 then PL2) */ #define SPR_DTLBMR_CID 0x0000003c /* Context ID */ #define SPR_DTLBMR_LRU 0x000000c0 /* Least Recently Used */ #define SPR_DTLBMR_VPN 0xfffff000 /* Virtual Page Number */ /* * Bit definitions for the Data TLB Translate Register * */ #define SPR_DTLBTR_CC 0x00000001 /* Cache Coherency */ #define SPR_DTLBTR_CI 0x00000002 /* Cache Inhibit */ #define SPR_DTLBTR_WBC 0x00000004 /* Write-Back Cache */ #define SPR_DTLBTR_WOM 0x00000008 /* Weakly-Ordered Memory */ #define SPR_DTLBTR_A 0x00000010 /* Accessed */ #define SPR_DTLBTR_D 0x00000020 /* Dirty */ #define SPR_DTLBTR_URE 0x00000040 /* User Read Enable */ #define SPR_DTLBTR_UWE 0x00000080 /* User Write Enable */ #define SPR_DTLBTR_SRE 0x00000100 /* Supervisor Read Enable */ #define SPR_DTLBTR_SWE 0x00000200 /* Supervisor Write Enable */ #define SPR_DTLBTR_PPN 0xfffff000 /* Physical Page Number */ /* * Bit definitions for the Instruction TLB Match Register * */ #define SPR_ITLBMR_V 0x00000001 /* Valid */ #define SPR_ITLBMR_PL1 0x00000002 /* Page Level 1 (if 0 then PL2) */ #define SPR_ITLBMR_CID 0x0000003c /* Context ID */ #define SPR_ITLBMR_LRU 0x000000c0 /* Least Recently Used */ #define SPR_ITLBMR_VPN 0xfffff000 /* Virtual Page Number */ /* * Bit definitions for the Instruction TLB Translate Register * */ #define SPR_ITLBTR_CC 0x00000001 /* Cache Coherency */ #define SPR_ITLBTR_CI 0x00000002 /* Cache Inhibit */ #define SPR_ITLBTR_WBC 0x00000004 /* Write-Back Cache */ #define SPR_ITLBTR_WOM 0x00000008 /* Weakly-Ordered Memory */ #define SPR_ITLBTR_A 0x00000010 /* Accessed */ #define SPR_ITLBTR_D 0x00000020 /* Dirty */ #define SPR_ITLBTR_SXE 0x00000040 /* User Read Enable */ #define SPR_ITLBTR_UXE 0x00000080 /* User Write Enable */ #define SPR_ITLBTR_PPN 0xfffff000 /* Physical Page Number */ /* * Bit definitions for Data Cache Control register * */ #define SPR_DCCR_EW 0x000000ff /* Enable ways */ /* * Bit definitions for Insn Cache Control register * */ #define SPR_ICCR_EW 0x000000ff /* Enable ways */ /* * Bit definitions for Debug Control registers * */ #define SPR_DCR_DP 0x00000001 /* DVR/DCR present */ #define SPR_DCR_CC 0x0000000e /* Compare condition */ #define SPR_DCR_SC 0x00000010 /* Signed compare */ #define SPR_DCR_CT 0x000000e0 /* Compare to */ /* Bit results with SPR_DCR_CC mask */ #define SPR_DCR_CC_MASKED 0x00000000 #define SPR_DCR_CC_EQUAL 0x00000001 #define SPR_DCR_CC_LESS 0x00000002 #define SPR_DCR_CC_LESSE 0x00000003 #define SPR_DCR_CC_GREAT 0x00000004 #define SPR_DCR_CC_GREATE 0x00000005 #define SPR_DCR_CC_NEQUAL 0x00000006 /* Bit results with SPR_DCR_CT mask */ #define SPR_DCR_CT_DISABLED 0x00000000 #define SPR_DCR_CT_IFEA 0x00000020 #define SPR_DCR_CT_LEA 0x00000040 #define SPR_DCR_CT_SEA 0x00000060 #define SPR_DCR_CT_LD 0x00000080 #define SPR_DCR_CT_SD 0x000000a0 #define SPR_DCR_CT_LSEA 0x000000c0 /* * Bit definitions for Debug Mode 1 register * */ #define SPR_DMR1_CW0 0x00000003 /* Chain watchpoint 0 */ #define SPR_DMR1_CW1 0x0000000c /* Chain watchpoint 1 */ #define SPR_DMR1_CW2 0x00000030 /* Chain watchpoint 2 */ #define SPR_DMR1_CW3 0x000000c0 /* Chain watchpoint 3 */ #define SPR_DMR1_CW4 0x00000300 /* Chain watchpoint 4 */ #define SPR_DMR1_CW5 0x00000c00 /* Chain watchpoint 5 */ #define SPR_DMR1_CW6 0x00003000 /* Chain watchpoint 6 */ #define SPR_DMR1_CW7 0x0000c000 /* Chain watchpoint 7 */ #define SPR_DMR1_CW8 0x00030000 /* Chain watchpoint 8 */ #define SPR_DMR1_CW9 0x000c0000 /* Chain watchpoint 9 */ #define SPR_DMR1_CW10 0x00300000 /* Chain watchpoint 10 */ #define SPR_DMR1_ST 0x00400000 /* Single-step trace*/ #define SPR_DMR1_BT 0x00800000 /* Branch trace */ #define SPR_DMR1_DXFW 0x01000000 /* Disable external force watchpoint */ /* * Bit definitions for Debug Mode 2 register * */ #define SPR_DMR2_WCE0 0x00000001 /* Watchpoint counter 0 enable */ #define SPR_DMR2_WCE1 0x00000002 /* Watchpoint counter 0 enable */ #define SPR_DMR2_AWTC 0x00001ffc /* Assign watchpoints to counters */ #define SPR_DMR2_WGB 0x00ffe000 /* Watchpoints generating breakpoint */ /* * Bit definitions for Debug watchpoint counter registers * */ #define SPR_DWCR_COUNT 0x0000ffff /* Count */ #define SPR_DWCR_MATCH 0xffff0000 /* Match */ /* * Bit definitions for Debug stop register * */ #define SPR_DSR_RSTE 0x00000001 /* Reset exception */ #define SPR_DSR_BUSEE 0x00000002 /* Bus error exception */ #define SPR_DSR_DPFE 0x00000004 /* Data Page Fault exception */ #define SPR_DSR_IPFE 0x00000008 /* Insn Page Fault exception */ #define SPR_DSR_TTE 0x00000010 /* iTick Timer exception */ #define SPR_DSR_AE 0x00000020 /* Alignment exception */ #define SPR_DSR_IIE 0x00000040 /* Illegal Instruction exception */ #define SPR_DSR_IE 0x00000080 /* Interrupt exception */ #define SPR_DSR_DME 0x00000100 /* DTLB miss exception */ #define SPR_DSR_IME 0x00000200 /* ITLB miss exception */ #define SPR_DSR_RE 0x00000400 /* Range exception */ #define SPR_DSR_SCE 0x00000800 /* System call exception */ #define SPR_DSR_SSE 0x00001000 /* Single Step Exception */ #define SPR_DSR_TE 0x00002000 /* Trap exception */ /* * Bit definitions for Debug reason register * */ #define SPR_DRR_RSTE 0x00000001 /* Reset exception */ #define SPR_DRR_BUSEE 0x00000002 /* Bus error exception */ #define SPR_DRR_DPFE 0x00000004 /* Data Page Fault exception */ #define SPR_DRR_IPFE 0x00000008 /* Insn Page Fault exception */ #define SPR_DRR_TTE 0x00000010 /* Tick Timer exception */ #define SPR_DRR_AE 0x00000020 /* Alignment exception */ #define SPR_DRR_IIE 0x00000040 /* Illegal Instruction exception */ #define SPR_DRR_IE 0x00000080 /* Interrupt exception */ #define SPR_DRR_DME 0x00000100 /* DTLB miss exception */ #define SPR_DRR_IME 0x00000200 /* ITLB miss exception */ #define SPR_DRR_RE 0x00000400 /* Range exception */ #define SPR_DRR_SCE 0x00000800 /* System call exception */ #define SPR_DRR_TE 0x00001000 /* Trap exception */ /* * Bit definitions for Performance counters mode registers * */ #define SPR_PCMR_CP 0x00000001 /* Counter present */ #define SPR_PCMR_UMRA 0x00000002 /* User mode read access */ #define SPR_PCMR_CISM 0x00000004 /* Count in supervisor mode */ #define SPR_PCMR_CIUM 0x00000008 /* Count in user mode */ #define SPR_PCMR_LA 0x00000010 /* Load access event */ #define SPR_PCMR_SA 0x00000020 /* Store access event */ #define SPR_PCMR_IF 0x00000040 /* Instruction fetch event*/ #define SPR_PCMR_DCM 0x00000080 /* Data cache miss event */ #define SPR_PCMR_ICM 0x00000100 /* Insn cache miss event */ #define SPR_PCMR_IFS 0x00000200 /* Insn fetch stall event */ #define SPR_PCMR_LSUS 0x00000400 /* LSU stall event */ #define SPR_PCMR_BS 0x00000800 /* Branch stall event */ #define SPR_PCMR_DTLBM 0x00001000 /* DTLB miss event */ #define SPR_PCMR_ITLBM 0x00002000 /* ITLB miss event */ #define SPR_PCMR_DDS 0x00004000 /* Data dependency stall event */ #define SPR_PCMR_WPE 0x03ff8000 /* Watchpoint events */ /* * Bit definitions for the Power management register * */ #define SPR_PMR_SDF 0x0000000f /* Slow down factor */ #define SPR_PMR_DME 0x00000010 /* Doze mode enable */ #define SPR_PMR_SME 0x00000020 /* Sleep mode enable */ #define SPR_PMR_DCGE 0x00000040 /* Dynamic clock gating enable */ #define SPR_PMR_SUME 0x00000080 /* Suspend mode enable */ /* * Bit definitions for PICMR * */ #define SPR_PICMR_IUM 0xfffffffc /* Interrupt unmask */ /* * Bit definitions for PICPR * */ #define SPR_PICPR_IPRIO 0xfffffffc /* Interrupt priority */ /* * Bit definitions for PICSR * */ #define SPR_PICSR_IS 0xffffffff /* Interrupt status */ /* * Bit definitions for Tick Timer Control Register * */ #define SPR_TTCR_PERIOD 0x0fffffff /* Time Period */ #define SPR_TTMR_PERIOD SPR_TTCR_PERIOD #define SPR_TTMR_IP 0x10000000 /* Interrupt Pending */ #define SPR_TTMR_IE 0x20000000 /* Interrupt Enable */ #define SPR_TTMR_RT 0x40000000 /* Restart tick */ #define SPR_TTMR_SR 0x80000000 /* Single run */ #define SPR_TTMR_CR 0xc0000000 /* Continuous run */ #define SPR_TTMR_M 0xc0000000 /* Tick mode */ /* * l.nop constants * */ #define NOP_NOP 0x0000 /* Normal nop instruction */ #define NOP_EXIT 0x0001 /* End of simulation */ #define NOP_REPORT 0x0002 /* Simple report */ #define NOP_PRINTF 0x0003 /* Simprintf instruction */ #define NOP_REPORT_FIRST 0x0400 /* Report with number */ #define NOP_REPORT_LAST 0x03ff /* Report with number */