ipr.cc revision 3457
1/* 2 * Copyright (c) 2003-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Gabe Black 29 */ 30 31#include <assert.h> 32#include <string.h> 33 34#include "arch/alpha/ipr.hh" 35 36namespace AlphaISA 37{ 38 md_ipr_names MiscRegIndexToIpr[NumInternalProcRegs] = 39 { 40 //Write only 41 IPR_HWINT_CLR, // H/W interrupt clear register 42 IPR_SL_XMIT, // serial line transmit register 43 IPR_DC_FLUSH, 44 IPR_IC_FLUSH, // instruction cache flush control 45 IPR_ALT_MODE, // alternate mode register 46 IPR_DTB_IA, // DTLB invalidate all register 47 IPR_DTB_IAP, // DTLB invalidate all process register 48 IPR_ITB_IA, // ITLB invalidate all register 49 IPR_ITB_IAP, // ITLB invalidate all process register 50 51 //Read only 52 IPR_INTID, // interrupt ID register 53 IPR_SL_RCV, // serial line receive register 54 IPR_MM_STAT, // data MMU fault status register 55 IPR_ITB_PTE_TEMP, // ITLB page table entry temp register 56 IPR_DTB_PTE_TEMP, // DTLB page table entry temporary register 57 58 IPR_ISR, // interrupt summary register 59 IPR_ITB_TAG, // ITLB tag register 60 IPR_ITB_PTE, // ITLB page table entry register 61 IPR_ITB_ASN, // ITLB address space register 62 IPR_ITB_IS, // ITLB invalidate select register 63 IPR_SIRR, // software interrupt request register 64 IPR_ASTRR, // asynchronous system trap request register 65 IPR_ASTER, // asynchronous system trap enable register 66 IPR_EXC_ADDR, // exception address register 67 IPR_EXC_SUM, // exception summary register 68 IPR_EXC_MASK, // exception mask register 69 IPR_PAL_BASE, // PAL base address register 70 IPR_ICM, // instruction current mode 71 IPR_IPLR, // interrupt priority level register 72 IPR_IFAULT_VA_FORM, // formatted faulting virtual addr register 73 IPR_IVPTBR, // virtual page table base register 74 IPR_ICSR, // instruction control and status register 75 IPR_IC_PERR_STAT, // inst cache parity error status register 76 IPR_PMCTR, // performance counter register 77 78 // PAL temporary registers... 79 // register meanings gleaned from osfpal.s source code 80 IPR_PALtemp0, // local scratch 81 IPR_PALtemp1, // local scratch 82 IPR_PALtemp2, // entUna 83 IPR_PALtemp3, // CPU specific impure area pointer 84 IPR_PALtemp4, // memory management temp 85 IPR_PALtemp5, // memory management temp 86 IPR_PALtemp6, // memory management temp 87 IPR_PALtemp7, // entIF 88 IPR_PALtemp8, // intmask 89 IPR_PALtemp9, // entSys 90 IPR_PALtemp10, // ?? 91 IPR_PALtemp11, // entInt 92 IPR_PALtemp12, // entArith 93 IPR_PALtemp13, // reserved for platform specific PAL 94 IPR_PALtemp14, // reserved for platform specific PAL 95 IPR_PALtemp15, // reserved for platform specific PAL 96 IPR_PALtemp16, // scratch / whami<7:0> / mces<4:0> 97 IPR_PALtemp17, // sysval 98 IPR_PALtemp18, // usp 99 IPR_PALtemp19, // ksp 100 IPR_PALtemp20, // PTBR 101 IPR_PALtemp21, // entMM 102 IPR_PALtemp22, // kgp 103 IPR_PALtemp23, // PCBB 104 105 IPR_DTB_ASN, // DTLB address space number register 106 IPR_DTB_CM, // DTLB current mode register 107 IPR_DTB_TAG, // DTLB tag register 108 IPR_DTB_PTE, // DTLB page table entry register 109 110 IPR_VA, // fault virtual address register 111 IPR_VA_FORM, // formatted virtual address register 112 IPR_MVPTBR, // MTU virtual page table base register 113 IPR_DTB_IS, // DTLB invalidate single register 114 IPR_CC, // cycle counter register 115 IPR_CC_CTL, // cycle counter control register 116 IPR_MCSR, // MTU control register 117 118 IPR_DC_PERR_STAT, // Dcache parity error status register 119 IPR_DC_TEST_CTL, // Dcache test tag control register 120 IPR_DC_TEST_TAG, // Dcache test tag register 121 IPR_DC_TEST_TAG_TEMP, // Dcache test tag temporary register 122 IPR_DC_MODE, // Dcache mode register 123 IPR_MAF_MODE // miss address file mode register 124 }; 125 126 int IprToMiscRegIndex[MaxInternalProcRegs]; 127 128 void initializeIprTable() 129 { 130 static bool initialized = false; 131 if(initialized) 132 return; 133 134 memset(IprToMiscRegIndex, -1, MaxInternalProcRegs * sizeof(int)); 135 136 for(int x = 0; x < NumInternalProcRegs; x++) 137 IprToMiscRegIndex[MiscRegIndexToIpr[x]] = x; 138 } 139} 140 141