| 1 | // ========== Copyright Header Begin ========================================== |
| 2 | // |
| 3 | // OpenSPARC T2 Processor File: SS_Rom.cc |
| 4 | // Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. |
| 5 | // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. |
| 6 | // |
| 7 | // The above named program is free software; you can redistribute it and/or |
| 8 | // modify it under the terms of the GNU General Public |
| 9 | // License version 2 as published by the Free Software Foundation. |
| 10 | // |
| 11 | // The above named program is distributed in the hope that it will be |
| 12 | // useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | // General Public License for more details. |
| 15 | // |
| 16 | // You should have received a copy of the GNU General Public |
| 17 | // License along with this work; if not, write to the Free Software |
| 18 | // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. |
| 19 | // |
| 20 | // ========== Copyright Header End ============================================ |
| 21 | |
| 22 | #include <sys/socket.h> |
| 23 | #include <unistd.h> |
| 24 | #include "SS_Rom.h" |
| 25 | |
| 26 | SS_Rom::SS_Rom( SS_AddressMap* map, SS_Paddr lo, SS_Paddr hi )/*{{{*/ |
| 27 | : |
| 28 | base(lo), |
| 29 | ram(&SS_Memory::memory) |
| 30 | { |
| 31 | map->add(lo,hi,this,SS_AddressMap::REL,SS_Rom::access); |
| 32 | } |
| 33 | /*}}}*/ |
| 34 | SS_Rom::~SS_Rom()/*{{{*/ |
| 35 | { |
| 36 | } |
| 37 | /*}}}*/ |
| 38 | |
| 39 | void SS_Rom::access( void* obj, uint_t sid, SS_Access::Type type, SS_Paddr pa, uint_t size, uint64_t* data )/*{{{*/ |
| 40 | { |
| 41 | SS_Rom* self = (SS_Rom*)obj; |
| 42 | |
| 43 | pa += self->base; |
| 44 | |
| 45 | if (type == SS_Access::LOAD) |
| 46 | { |
| 47 | #if defined(MEMORY_MSYNC) |
| 48 | self->ram->msync_info(sid,pa); |
| 49 | #elif defined(MEMORY_EXTERNAL) |
| 50 | self->ram->set_strand_id(sid); |
| 51 | #endif |
| 52 | switch (size) |
| 53 | { |
| 54 | case 1: *data = self->ram->ld8u(pa); break; |
| 55 | case 2: *data = self->ram->ld16u(pa); break; |
| 56 | case 4: *data = self->ram->ld32u(pa); break; |
| 57 | case 8: *data = self->ram->ld64(pa); break; |
| 58 | case 16: self->ram->ld128(pa,data); break; |
| 59 | case 64: self->ram->ld512(pa,data); break; |
| 60 | default: assert(0); |
| 61 | } |
| 62 | } |
| 63 | else |
| 64 | { |
| 65 | fprintf(stderr,"ROM: Non load access detected\n"); |
| 66 | } |
| 67 | } |
| 68 | /*}}}*/ |
| 69 | |
| 70 | |
| 71 | |
| 72 | |
| 73 | |
| 74 | |