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+/*
+ * Copyright (c) 2003-2005 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Steve Reinhardt
+ * Gabe Black
+ */
+
+#ifndef __ARCH_ALPHA_IPR_HH__
+#define __ARCH_ALPHA_IPR_HH__
+
+namespace AlphaISA
+{
+ ////////////////////////////////////////////////////////////////////////
+ //
+ // Internal Processor Reigsters
+ //
+ enum md_ipr_names
+ {
+ RAW_IPR_ISR = 0x100, // interrupt summary register
+ RAW_IPR_ITB_TAG = 0x101, // ITLB tag register
+ RAW_IPR_ITB_PTE = 0x102, // ITLB page table entry register
+ RAW_IPR_ITB_ASN = 0x103, // ITLB address space register
+ RAW_IPR_ITB_PTE_TEMP = 0x104, // ITLB page table entry temp register
+ RAW_IPR_ITB_IA = 0x105, // ITLB invalidate all register
+ RAW_IPR_ITB_IAP = 0x106, // ITLB invalidate all process register
+ RAW_IPR_ITB_IS = 0x107, // ITLB invalidate select register
+ RAW_IPR_SIRR = 0x108, // software interrupt request register
+ RAW_IPR_ASTRR = 0x109, // asynchronous system trap request register
+ RAW_IPR_ASTER = 0x10a, // asynchronous system trap enable register
+ RAW_IPR_EXC_ADDR = 0x10b, // exception address register
+ RAW_IPR_EXC_SUM = 0x10c, // exception summary register
+ RAW_IPR_EXC_MASK = 0x10d, // exception mask register
+ RAW_IPR_PAL_BASE = 0x10e, // PAL base address register
+ RAW_IPR_ICM = 0x10f, // instruction current mode
+ RAW_IPR_IPLR = 0x110, // interrupt priority level register
+ RAW_IPR_INTID = 0x111, // interrupt ID register
+ RAW_IPR_IFAULT_VA_FORM = 0x112, // formatted faulting virtual addr register
+ RAW_IPR_IVPTBR = 0x113, // virtual page table base register
+ RAW_IPR_HWINT_CLR = 0x115, // H/W interrupt clear register
+ RAW_IPR_SL_XMIT = 0x116, // serial line transmit register
+ RAW_IPR_SL_RCV = 0x117, // serial line receive register
+ RAW_IPR_ICSR = 0x118, // instruction control and status register
+ RAW_IPR_IC_FLUSH = 0x119, // instruction cache flush control
+ RAW_IPR_IC_PERR_STAT = 0x11a, // inst cache parity error status register
+ RAW_IPR_PMCTR = 0x11c, // performance counter register
+
+ // PAL temporary registers...
+ // register meanings gleaned from osfpal.s source code
+ RAW_IPR_PALtemp0 = 0x140, // local scratch
+ RAW_IPR_PALtemp1 = 0x141, // local scratch
+ RAW_IPR_PALtemp2 = 0x142, // entUna
+ RAW_IPR_PALtemp3 = 0x143, // CPU specific impure area pointer
+ RAW_IPR_PALtemp4 = 0x144, // memory management temp
+ RAW_IPR_PALtemp5 = 0x145, // memory management temp
+ RAW_IPR_PALtemp6 = 0x146, // memory management temp
+ RAW_IPR_PALtemp7 = 0x147, // entIF
+ RAW_IPR_PALtemp8 = 0x148, // intmask
+ RAW_IPR_PALtemp9 = 0x149, // entSys
+ RAW_IPR_PALtemp10 = 0x14a, // ??
+ RAW_IPR_PALtemp11 = 0x14b, // entInt
+ RAW_IPR_PALtemp12 = 0x14c, // entArith
+ RAW_IPR_PALtemp13 = 0x14d, // reserved for platform specific PAL
+ RAW_IPR_PALtemp14 = 0x14e, // reserved for platform specific PAL
+ RAW_IPR_PALtemp15 = 0x14f, // reserved for platform specific PAL
+ RAW_IPR_PALtemp16 = 0x150, // scratch / whami<7:0> / mces<4:0>
+ RAW_IPR_PALtemp17 = 0x151, // sysval
+ RAW_IPR_PALtemp18 = 0x152, // usp
+ RAW_IPR_PALtemp19 = 0x153, // ksp
+ RAW_IPR_PALtemp20 = 0x154, // PTBR
+ RAW_IPR_PALtemp21 = 0x155, // entMM
+ RAW_IPR_PALtemp22 = 0x156, // kgp
+ RAW_IPR_PALtemp23 = 0x157, // PCBB
+
+ RAW_IPR_DTB_ASN = 0x200, // DTLB address space number register
+ RAW_IPR_DTB_CM = 0x201, // DTLB current mode register
+ RAW_IPR_DTB_TAG = 0x202, // DTLB tag register
+ RAW_IPR_DTB_PTE = 0x203, // DTLB page table entry register
+ RAW_IPR_DTB_PTE_TEMP = 0x204, // DTLB page table entry temporary register
+
+ RAW_IPR_MM_STAT = 0x205, // data MMU fault status register
+ RAW_IPR_VA = 0x206, // fault virtual address register
+ RAW_IPR_VA_FORM = 0x207, // formatted virtual address register
+ RAW_IPR_MVPTBR = 0x208, // MTU virtual page table base register
+ RAW_IPR_DTB_IAP = 0x209, // DTLB invalidate all process register
+ RAW_IPR_DTB_IA = 0x20a, // DTLB invalidate all register
+ RAW_IPR_DTB_IS = 0x20b, // DTLB invalidate single register
+ RAW_IPR_ALT_MODE = 0x20c, // alternate mode register
+ RAW_IPR_CC = 0x20d, // cycle counter register
+ RAW_IPR_CC_CTL = 0x20e, // cycle counter control register
+ RAW_IPR_MCSR = 0x20f, // MTU control register
+
+ RAW_IPR_DC_FLUSH = 0x210,
+ RAW_IPR_DC_PERR_STAT = 0x212, // Dcache parity error status register
+ RAW_IPR_DC_TEST_CTL = 0x213, // Dcache test tag control register
+ RAW_IPR_DC_TEST_TAG = 0x214, // Dcache test tag register
+ RAW_IPR_DC_TEST_TAG_TEMP = 0x215, // Dcache test tag temporary register
+ RAW_IPR_DC_MODE = 0x216, // Dcache mode register
+ RAW_IPR_MAF_MODE = 0x217, // miss address file mode register
+
+ MaxInternalProcRegs // number of IPR registers
+ };
+
+ enum MiscRegIpr
+ {
+ //Write only
+ MinWriteOnlyIpr,
+ IPR_HWINT_CLR = MinWriteOnlyIpr,
+ IPR_SL_XMIT,
+ IPR_DC_FLUSH,
+ IPR_IC_FLUSH,
+ IPR_ALT_MODE,
+ IPR_DTB_IA,
+ IPR_DTB_IAP,
+ IPR_ITB_IA,
+ MaxWriteOnlyIpr,
+ IPR_ITB_IAP = MaxWriteOnlyIpr,
+
+ //Read only
+ MinReadOnlyIpr,
+ IPR_INTID = MinReadOnlyIpr,
+ IPR_SL_RCV,
+ IPR_MM_STAT,
+ IPR_ITB_PTE_TEMP,
+ MaxReadOnlyIpr,
+ IPR_DTB_PTE_TEMP = MaxReadOnlyIpr,
+
+ IPR_ISR,
+ IPR_ITB_TAG,
+ IPR_ITB_PTE,
+ IPR_ITB_ASN,
+ IPR_ITB_IS,
+ IPR_SIRR,
+ IPR_ASTRR,
+ IPR_ASTER,
+ IPR_EXC_ADDR,
+ IPR_EXC_SUM,
+ IPR_EXC_MASK,
+ IPR_PAL_BASE,
+ IPR_ICM,
+ IPR_IPLR,
+ IPR_IFAULT_VA_FORM,
+ IPR_IVPTBR,
+ IPR_ICSR,
+ IPR_IC_PERR_STAT,
+ IPR_PMCTR,
+
+ // PAL temporary registers...
+ // register meanings gleaned from osfpal.s source code
+ IPR_PALtemp0,
+ IPR_PALtemp1,
+ IPR_PALtemp2,
+ IPR_PALtemp3,
+ IPR_PALtemp4,
+ IPR_PALtemp5,
+ IPR_PALtemp6,
+ IPR_PALtemp7,
+ IPR_PALtemp8,
+ IPR_PALtemp9,
+ IPR_PALtemp10,
+ IPR_PALtemp11,
+ IPR_PALtemp12,
+ IPR_PALtemp13,
+ IPR_PALtemp14,
+ IPR_PALtemp15,
+ IPR_PALtemp16,
+ IPR_PALtemp17,
+ IPR_PALtemp18,
+ IPR_PALtemp19,
+ IPR_PALtemp20,
+ IPR_PALtemp21,
+ IPR_PALtemp22,
+ IPR_PALtemp23,
+
+ IPR_DTB_ASN,
+ IPR_DTB_CM,
+ IPR_DTB_TAG,
+ IPR_DTB_PTE,
+
+ IPR_VA,
+ IPR_VA_FORM,
+ IPR_MVPTBR,
+ IPR_DTB_IS,
+ IPR_CC,
+ IPR_CC_CTL,
+ IPR_MCSR,
+
+ IPR_DC_PERR_STAT,
+ IPR_DC_TEST_CTL,
+ IPR_DC_TEST_TAG,
+ IPR_DC_TEST_TAG_TEMP,
+ IPR_DC_MODE,
+ IPR_MAF_MODE,
+
+ NumInternalProcRegs // number of IPR registers
+ };
+
+ inline bool IprIsWritable(int index)
+ {
+ return index < MinReadOnlyIpr || index > MaxReadOnlyIpr;
+ }
+
+ inline bool IprIsReadable(int index)
+ {
+ return index < MinWriteOnlyIpr || index > MaxWriteOnlyIpr;
+ }
+
+ extern md_ipr_names MiscRegIndexToIpr[NumInternalProcRegs];
+ extern int IprToMiscRegIndex[MaxInternalProcRegs];
+
+ void initializeIprTable();
+}
+
+#endif