/* * SPR Definitions * * Copyright (C) 2000 Damjan Lampret * Copyright (C) 2003 Matjaz Breskvar * Copyright (C) 2008, 2010 Embecosm Limited * Copyright (C) 2010-2011 Jonas Bonn * et al. * * 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 file is part of OpenRISC 1000 Architectural Simulator. */ #ifndef SPR_DEFS__H #define SPR_DEFS__H /* 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) #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_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) /* 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 0xff000000 /* Processor version */ #define SPR_VR_CFG 0x00ff0000 /* Processor configuration */ #define SPR_VR_RES 0x0000ffc0 /* Reserved */ #define SPR_VR_REV 0x0000003f /* Processor revision */ #define SPR_VR_VER_OFF 24 #define SPR_VR_CFG_OFF 16 #define SPR_VR_REV_OFF 0 /* * 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_MP 0x00000020 /* MAC present */ #define SPR_UPR_DUP 0x00000040 /* Debug unit present */ #define SPR_UPR_PCUP 0x00000080 /* Performance counters unit present */ #define SPR_UPR_PMP 0x00000100 /* Power management present */ #define SPR_UPR_PICP 0x00000200 /* PIC present */ #define SPR_UPR_TTP 0x00000400 /* Tick timer present */ #define SPR_UPR_RES 0x00fe0000 /* Reserved */ #define SPR_UPR_CUP 0xff000000 /* Context units present */ /* * Bit definitions for the CPU configuration register */ #define SPR_CPUCFGR_NSGF 0x0000000f /* Number of shadow GPR files */ #define SPR_CPUCFGR_CGF 0x00000010 /* Custom GPR file */ #define SPR_CPUCFGR_OB32S 0x00000020 /* ORBIS32 supported */ #define SPR_CPUCFGR_OB64S 0x00000040 /* ORBIS64 supported */ #define SPR_CPUCFGR_OF32S 0x00000080 /* ORFPX32 supported */ #define SPR_CPUCFGR_OF64S 0x00000100 /* ORFPX64 supported */ #define SPR_CPUCFGR_OV64S 0x00000200 /* ORVDX64 supported */ #define SPR_CPUCFGR_RES 0xfffffc00 /* Reserved */ /* * Bit definitions for the Debug configuration register and other * constants. */ #define SPR_DCFGR_NDP 0x00000007 /* Number of matchpoints mask */ #define SPR_DCFGR_NDP1 0x00000000 /* One matchpoint supported */ #define SPR_DCFGR_NDP2 0x00000001 /* Two matchpoints supported */ #define SPR_DCFGR_NDP3 0x00000002 /* Three matchpoints supported */ #define SPR_DCFGR_NDP4 0x00000003 /* Four matchpoints supported */ #define SPR_DCFGR_NDP5 0x00000004 /* Five matchpoints supported */ #define SPR_DCFGR_NDP6 0x00000005 /* Six matchpoints supported */ #define SPR_DCFGR_NDP7 0x00000006 /* Seven matchpoints supported */ #define SPR_DCFGR_NDP8 0x00000007 /* Eight matchpoints supported */ #define SPR_DCFGR_WPCI 0x00000008 /* Watchpoint counters implemented */ #define MATCHPOINTS_TO_NDP(n) (1 == n ? SPR_DCFGR_NDP1 : \ 2 == n ? SPR_DCFGR_NDP2 : \ 3 == n ? SPR_DCFGR_NDP3 : \ 4 == n ? SPR_DCFGR_NDP4 : \ 5 == n ? SPR_DCFGR_NDP5 : \ 6 == n ? SPR_DCFGR_NDP6 : \ 7 == n ? SPR_DCFGR_NDP7 : SPR_DCFGR_NDP8) #define MAX_MATCHPOINTS 8 #define MAX_WATCHPOINTS (MAX_MATCHPOINTS + 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 */ /* * 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 Data Cache Configuration Register */ #define SPR_DCCFGR_NCW 0x00000007 #define SPR_DCCFGR_NCS 0x00000078 #define SPR_DCCFGR_CBS 0x00000080 #define SPR_DCCFGR_CWS 0x00000100 #define SPR_DCCFGR_CCRI 0x00000200 #define SPR_DCCFGR_CBIRI 0x00000400 #define SPR_DCCFGR_CBPRI 0x00000800 #define SPR_DCCFGR_CBLRI 0x00001000 #define SPR_DCCFGR_CBFRI 0x00002000 #define SPR_DCCFGR_CBWBRI 0x00004000 #define SPR_DCCFGR_NCW_OFF 0 #define SPR_DCCFGR_NCS_OFF 3 #define SPR_DCCFGR_CBS_OFF 7 /* * Bit definitions for Instruction Cache Configuration Register */ #define SPR_ICCFGR_NCW 0x00000007 #define SPR_ICCFGR_NCS 0x00000078 #define SPR_ICCFGR_CBS 0x00000080 #define SPR_ICCFGR_CCRI 0x00000200 #define SPR_ICCFGR_CBIRI 0x00000400 #define SPR_ICCFGR_CBPRI 0x00000800 #define SPR_ICCFGR_CBLRI 0x00001000 #define SPR_ICCFGR_NCW_OFF 0 #define SPR_ICCFGR_NCS_OFF 3 #define SPR_ICCFGR_CBS_OFF 7 /* * Bit definitions for Data MMU Configuration Register */ #define SPR_DMMUCFGR_NTW 0x00000003 #define SPR_DMMUCFGR_NTS 0x0000001C #define SPR_DMMUCFGR_NAE 0x000000E0 #define SPR_DMMUCFGR_CRI 0x00000100 #define SPR_DMMUCFGR_PRI 0x00000200 #define SPR_DMMUCFGR_TEIRI 0x00000400 #define SPR_DMMUCFGR_HTR 0x00000800 #define SPR_DMMUCFGR_NTW_OFF 0 #define SPR_DMMUCFGR_NTS_OFF 2 /* * Bit definitions for Instruction MMU Configuration Register */ #define SPR_IMMUCFGR_NTW 0x00000003 #define SPR_IMMUCFGR_NTS 0x0000001C #define SPR_IMMUCFGR_NAE 0x000000E0 #define SPR_IMMUCFGR_CRI 0x00000100 #define SPR_IMMUCFGR_PRI 0x00000200 #define SPR_IMMUCFGR_TEIRI 0x00000400 #define SPR_IMMUCFGR_HTR 0x00000800 #define SPR_IMMUCFGR_NTW_OFF 0 #define SPR_IMMUCFGR_NTS_OFF 2 /* * 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 0x00000002 #define SPR_DCR_CC_LESS 0x00000004 #define SPR_DCR_CC_LESSE 0x00000006 #define SPR_DCR_CC_GREAT 0x00000008 #define SPR_DCR_CC_GREATE 0x0000000a #define SPR_DCR_CC_NEQUAL 0x0000000c /* 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 #define SPR_DCR_CT_LSD 0x000000e0 /* * Bit definitions for Debug Mode 1 register */ #define SPR_DMR1_CW 0x000fffff /* Chain register pair data */ #define SPR_DMR1_CW0_AND 0x00000001 #define SPR_DMR1_CW0_OR 0x00000002 #define SPR_DMR1_CW0 (SPR_DMR1_CW0_AND | SPR_DMR1_CW0_OR) #define SPR_DMR1_CW1_AND 0x00000004 #define SPR_DMR1_CW1_OR 0x00000008 #define SPR_DMR1_CW1 (SPR_DMR1_CW1_AND | SPR_DMR1_CW1_OR) #define SPR_DMR1_CW2_AND 0x00000010 #define SPR_DMR1_CW2_OR 0x00000020 #define SPR_DMR1_CW2 (SPR_DMR1_CW2_AND | SPR_DMR1_CW2_OR) #define SPR_DMR1_CW3_AND 0x00000040 #define SPR_DMR1_CW3_OR 0x00000080 #define SPR_DMR1_CW3 (SPR_DMR1_CW3_AND | SPR_DMR1_CW3_OR) #define SPR_DMR1_CW4_AND 0x00000100 #define SPR_DMR1_CW4_OR 0x00000200 #define SPR_DMR1_CW4 (SPR_DMR1_CW4_AND | SPR_DMR1_CW4_OR) #define SPR_DMR1_CW5_AND 0x00000400 #define SPR_DMR1_CW5_OR 0x00000800 #define SPR_DMR1_CW5 (SPR_DMR1_CW5_AND | SPR_DMR1_CW5_OR) #define SPR_DMR1_CW6_AND 0x00001000 #define SPR_DMR1_CW6_OR 0x00002000 #define SPR_DMR1_CW6 (SPR_DMR1_CW6_AND | SPR_DMR1_CW6_OR) #define SPR_DMR1_CW7_AND 0x00004000 #define SPR_DMR1_CW7_OR 0x00008000 #define SPR_DMR1_CW7 (SPR_DMR1_CW7_AND | SPR_DMR1_CW7_OR) #define SPR_DMR1_CW8_AND 0x00010000 #define SPR_DMR1_CW8_OR 0x00020000 #define SPR_DMR1_CW8 (SPR_DMR1_CW8_AND | SPR_DMR1_CW8_OR) #define SPR_DMR1_CW9_AND 0x00040000 #define SPR_DMR1_CW9_OR 0x00080000 #define SPR_DMR1_CW9 (SPR_DMR1_CW9_AND | SPR_DMR1_CW9_OR) #define SPR_DMR1_RES1 0x00300000 /* Reserved */ #define SPR_DMR1_ST 0x00400000 /* Single-step trace*/ #define SPR_DMR1_BT 0x00800000 /* Branch trace */ #define SPR_DMR1_RES2 0xff000000 /* Reserved */ /* * Bit definitions for Debug Mode 2 register. AWTC and WGB corrected by JPB */ #define SPR_DMR2_WCE0 0x00000001 /* Watchpoint counter 0 enable */ #define SPR_DMR2_WCE1 0x00000002 /* Watchpoint counter 0 enable */ #define SPR_DMR2_AWTC 0x00000ffc /* Assign watchpoints to counters */ #define SPR_DMR2_AWTC_OFF 2 /* Bit offset to AWTC field */ #define SPR_DMR2_WGB 0x003ff000 /* Watch generating breakpoint */ #define SPR_DMR2_WGB_OFF 12 /* Bit offset to WGB field */ #define SPR_DMR2_WBS 0xffc00000 /* Watchpoint status */ #define SPR_DMR2_WBS_OFF 22 /* Bit offset to WBS field */ /* * Bit definitions for Debug watchpoint counter registers */ #define SPR_DWCR_COUNT 0x0000ffff /* Count */ #define SPR_DWCR_MATCH 0xffff0000 /* Match */ #define SPR_DWCR_MATCH_OFF 16 /* Match bit offset */ /* * 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 /* Tick 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_FPE 0x00001000 /* Floating Point 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_FPE 0x00001000 /* Floating Point Exception */ #define SPR_DRR_TE 0x00002000 /* 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_CNT 0xffffffff /* Count, time period */ #define SPR_TTMR_TP 0x0fffffff /* Time period */ #define SPR_TTMR_IP 0x10000000 /* Interrupt Pending */ #define SPR_TTMR_IE 0x20000000 /* Interrupt Enable */ #define SPR_TTMR_DI 0x00000000 /* Disabled */ #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 */ /* * Bit definitions for the FP Control Status Register */ #define SPR_FPCSR_FPEE 0x00000001 /* Floating Point Exception Enable */ #define SPR_FPCSR_RM 0x00000006 /* Rounding Mode */ #define SPR_FPCSR_OVF 0x00000008 /* Overflow Flag */ #define SPR_FPCSR_UNF 0x00000010 /* Underflow Flag */ #define SPR_FPCSR_SNF 0x00000020 /* SNAN Flag */ #define SPR_FPCSR_QNF 0x00000040 /* QNAN Flag */ #define SPR_FPCSR_ZF 0x00000080 /* Zero Flag */ #define SPR_FPCSR_IXF 0x00000100 /* Inexact Flag */ #define SPR_FPCSR_IVF 0x00000200 /* Invalid Flag */ #define SPR_FPCSR_INF 0x00000400 /* Infinity Flag */ #define SPR_FPCSR_DZF 0x00000800 /* Divide By Zero Flag */ #define SPR_FPCSR_ALLF (SPR_FPCSR_OVF | SPR_FPCSR_UNF | SPR_FPCSR_SNF | \ SPR_FPCSR_QNF | SPR_FPCSR_ZF | SPR_FPCSR_IXF | \ SPR_FPCSR_IVF | SPR_FPCSR_INF | SPR_FPCSR_DZF) #define FPCSR_RM_RN (0<<1) #define FPCSR_RM_RZ (1<<1) #define FPCSR_RM_RIP (2<<1) #define FPCSR_RM_RIN (3<<1) /* * 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_PUTC 0x0004 /* Simputc instruction */ #define NOP_CNT_RESET 0x0005 /* Reset statistics counters */ #define NOP_GET_TICKS 0x0006 /* Get # ticks running */ #define NOP_GET_PS 0x0007 /* Get picosecs/cycle */ #define NOP_REPORT_FIRST 0x0400 /* Report with number */ #define NOP_REPORT_LAST 0x03ff /* Report with number */ #endif /* SPR_DEFS__H */