projects / OpenSPARC-T2-SAM / blame
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1 | // ========== Copyright Header Begin ========================================== |
| 2 | // | |
| 3 | // OpenSPARC T2 Processor File: SS_CsrReadWrite.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 | ** | |
| 23 | ** Copyright (C) 2006, Sun Microsystems, Inc. | |
| 24 | ** | |
| 25 | ** Sun considers its source code as an unpublished, proprietary | |
| 26 | ** trade secret and it is available only under strict license provisions. | |
| 27 | ** This copyright notice is placed here only to protect Sun in the event | |
| 28 | ** the source is deemed a published work. Disassembly, decompilation, | |
| 29 | ** or other means of reducing the object code to human readable form | |
| 30 | ** is prohibited by the license agreement under which this code is | |
| 31 | ** provided to the user or company in possession of this copy. | |
| 32 | ** | |
| 33 | *************************************************************************/ | |
| 34 | // | |
| 35 | // @-ARCH-@_CsrReadWrite.cc is automatically generated from | |
| 36 | // ss/api/pli/bin/Bl_CsrReadWrite.cc, do not modify @-ARCH-@_CsrReadWrite.cc | |
| 37 | // make necessary changes in ss/api/pli/bin/Bl_CsrReadWrite.cc instead. | |
| 38 | // | |
| 39 | ||
| 40 | // handle csr_read/write issued by (TLR) testbench, to force csr values | |
| 41 | // (in non-cacheable memory space) explicitly. | |
| 42 | // | |
| 43 | ||
| 44 | #include "@-ARCH-@_CsrReadWrite.h" | |
| 45 | ||
| 46 | using namespace std; | |
| 47 | ||
| 48 | //====================================================================== | |
| 49 | // CSR_WRITE: write into real register, the value will stick | |
| 50 | //====================================================================== | |
| 51 | void @-ARCH-@_CsrReadWrite::pliWriteCsrReg(@-ARCH-@_Csr* csr, uint64_t pa, uint64_t value, bool littleEndian, int sid) | |
| 52 | { | |
| 53 | int access = MemoryTransaction::WRITE | MemoryTransaction::INTERNAL; | |
| 54 | if (littleEndian) | |
| 55 | access |= MemoryTransaction::LITTLE_ENDIAN; | |
| 56 | ||
| 57 | csr->write64(pa, value, access, sid); | |
| 58 | } | |
| 59 | ||
| 60 | //====================================================================== | |
| 61 | // CSR_READ: provide a follow-me value, the value is "use-once-and-discard" | |
| 62 | //====================================================================== | |
| 63 | void @-ARCH-@_CsrReadWrite::pliReadCsrReg(@-ARCH-@_Csr* csr, uint64_t pa, uint64_t value, bool littleEndian, int sid) | |
| 64 | { | |
| 65 | int access = MemoryTransaction::WRITE | MemoryTransaction::INTERNAL | MemoryTransaction::FOLLOW_ME; | |
| 66 | if (littleEndian) | |
| 67 | access |= MemoryTransaction::LITTLE_ENDIAN; | |
| 68 | ||
| 69 | csr->write64(pa, value, access, sid); | |
| 70 | } |