cregit-Linux how code gets into the kernel

Release 4.14 arch/openrisc/include/asm/spr_defs.h

/*
 * OpenRISC Linux
 *
 * SPR Definitions
 *
 * Copyright (C) 2000 Damjan Lampret
 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
 * Copyright (C) 2008, 2010 Embecosm Limited
 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
 * 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)  
/* 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_FPCSR       (SPRGROUP_SYS + 20)  
/* 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)

#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_PICP	   0x00000100  
/* PIC present */

#define SPR_UPR_PMP	   0x00000200  
/* Power management present */

#define SPR_UPR_TTP	   0x00000400  
/* Tick timer present */

#define SPR_UPR_RES	   0x00fe0000  
/* Reserved */

#define SPR_UPR_CUP	   0xff000000  
/* Context units present */

/*
 * JPB: 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 */

/*
 * JPB: 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
/* SPR_DCR_CT_LSD doesn't seem to be implemented anywhere in or1ksim. 2004-1-30 HP */

/*
 * 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  
/* Watchpoints generating breakpoint */

#define SPR_DMR2_WGB_OFF           12  
/* Bit offset to WGB field */

#define SPR_DMR2_WBS	   0xffc00000  
/* JPB: 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_PRINTF       0x0003       Simprintf instruction (obsolete)*/

#define NOP_PUTC         0x0004      
/* JPB: Simputc instruction */

#define NOP_CNT_RESET    0x0005	     
/* Reset statistics counters */

#define NOP_GET_TICKS    0x0006	     
/* JPB: Get # ticks running */

#define NOP_GET_PS       0x0007      
/* JPB: Get picosecs/cycle */

#define NOP_REPORT_FIRST 0x0400      
/* Report with number */

#define NOP_REPORT_LAST  0x03ff      
/* Report with number */

#endif	/* SPR_DEFS__H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Jonas Bonn179499.78%150.00%
Sebastian Macke40.22%150.00%
Total1798100.00%2100.00%
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