diff options
Diffstat (limited to 'dev/tsunami_cchip.cc')
| -rw-r--r-- | dev/tsunami_cchip.cc | 39 |
1 files changed, 35 insertions, 4 deletions
diff --git a/dev/tsunami_cchip.cc b/dev/tsunami_cchip.cc index ba49c361b..0700cf49a 100644 --- a/dev/tsunami_cchip.cc +++ b/dev/tsunami_cchip.cc @@ -1,4 +1,30 @@ -/* $Id$ */ +/* + * Copyright (c) 2004 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. + */ /* @file * Emulation of the Tsunami CChip CSRs @@ -68,7 +94,7 @@ TsunamiCChip::read(MemReqPtr &req, uint8_t *data) case TSDEV_CC_AAR1: case TSDEV_CC_AAR2: case TSDEV_CC_AAR3: - panic("TSDEV_CC_AARx not implemeted\n"); + *(uint64_t*)data = 0; return No_Fault; case TSDEV_CC_DIM0: *(uint64_t*)data = dim[0]; @@ -131,8 +157,8 @@ TsunamiCChip::read(MemReqPtr &req, uint8_t *data) Fault TsunamiCChip::write(MemReqPtr &req, const uint8_t *data) { - DPRINTF(Tsunami, "write - va=%#x size=%d \n", - req->vaddr, req->size); + DPRINTF(Tsunami, "write - va=%#x value=%#x size=%d \n", + req->vaddr, *(uint64_t*)data, req->size); Addr daddr = (req->paddr - (addr & PA_IMPL_MASK)) >> 6; @@ -195,6 +221,11 @@ TsunamiCChip::write(MemReqPtr &req, const uint8_t *data) } supportedWrite = true; } + + // ignore NXMs + if (*(uint64_t*)data & 0x10000000) + supportedWrite = true; + if(!supportedWrite) panic("TSDEV_CC_MISC write not implemented\n"); return No_Fault; case TSDEV_CC_AAR0: |