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Diffstat (limited to 'src/arch/alpha/ipr.hh')
| -rw-r--r-- | src/arch/alpha/ipr.hh | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/src/arch/alpha/ipr.hh b/src/arch/alpha/ipr.hh new file mode 100644 index 000000000..b55154764 --- /dev/null +++ b/src/arch/alpha/ipr.hh @@ -0,0 +1,237 @@ +/* + * 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 |