projects / OpenSPARC-T2-DV / blame
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1 | // ========== Copyright Header Begin ========================================== |
| 2 | // | |
| 3 | // OpenSPARC T2 Processor File: csr_base_if.hpp | |
| 4 | // Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved | |
| 5 | // 4150 Network Circle, Santa Clara, California 95054, U.S.A. | |
| 6 | // | |
| 7 | // * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 8 | // | |
| 9 | // This program is free software; you can redistribute it and/or modify | |
| 10 | // it under the terms of the GNU General Public License as published by | |
| 11 | // the Free Software Foundation; version 2 of the License. | |
| 12 | // | |
| 13 | // This program is distributed in the hope that it will be useful, | |
| 14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 | // GNU General Public License for more details. | |
| 17 | // | |
| 18 | // You should have received a copy of the GNU General Public License | |
| 19 | // along with this program; if not, write to the Free Software | |
| 20 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 21 | // | |
| 22 | // For the avoidance of doubt, and except that if any non-GPL license | |
| 23 | // choice is available it will apply instead, Sun elects to use only | |
| 24 | // the General Public License version 2 (GPLv2) at this time for any | |
| 25 | // software where a choice of GPL license versions is made | |
| 26 | // available with the language indicating that GPLv2 or any later version | |
| 27 | // may be used, or where a choice of which version of the GPL is applied is | |
| 28 | // otherwise unspecified. | |
| 29 | // | |
| 30 | // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 31 | // CA 95054 USA or visit www.sun.com if you need additional information or | |
| 32 | // have any questions. | |
| 33 | // | |
| 34 | // ========== Copyright Header End ============================================ | |
| 35 | #ifndef INC_csr_base_if_hpp__ | |
| 36 | #define INC_csr_base_if_hpp__ | |
| 37 | ||
| 38 | #include <systemc.h> | |
| 39 | #include "pcie_common/config.hpp" | |
| 40 | #include "pcie_common/csr_if.hpp" | |
| 41 | #include <map> | |
| 42 | ||
| 43 | namespace pcie { | |
| 44 | ||
| 45 | template < typename ADDR, typename DATA> | |
| 46 | class csr_base_if : public virtual csr_if <ADDR, DATA>, | |
| 47 | public virtual tlm_transport_if <csr_req <ADDR, DATA>, csr_rsp <DATA> > | |
| 48 | { | |
| 49 | public: | |
| 50 | typedef tlm_transport_if <csr_req < ADDR, DATA > , | |
| 51 | csr_rsp < DATA > > if_type; | |
| 52 | ||
| 53 | csr_rsp<DATA> transport (const csr_req<ADDR, DATA> &req) { | |
| 54 | csr_rsp<DATA> rsp; | |
| 55 | ||
| 56 | switch (req._cmd) { | |
| 57 | case CSR_READ: | |
| 58 | rsp._data = read_csr(req._addr); | |
| 59 | break; | |
| 60 | case CSR_WRITE: | |
| 61 | rsp._data = write_csr(req._addr, req._data); | |
| 62 | break; | |
| 63 | case CSR_WRITE_MASK: | |
| 64 | rsp._data = write_csr_mask(req._addr, req._data, req._fld_mask); | |
| 65 | break; | |
| 66 | ||
| 67 | case CSR_ISMAPPED: | |
| 68 | rsp._is_mapped = is_mapped(req._addr); | |
| 69 | break; | |
| 70 | ||
| 71 | case CSR_SETEVENT: | |
| 72 | set_notify_event(req._addr, req._event); | |
| 73 | break; | |
| 74 | case CSR_RESET: | |
| 75 | reset_csr_db(); | |
| 76 | break; | |
| 77 | case CSR_CREATE: | |
| 78 | create_csr_db(); | |
| 79 | break; | |
| 80 | } | |
| 81 | return rsp; | |
| 82 | } | |
| 83 | }; | |
| 84 | } // namespace pcie_tl | |
| 85 | ||
| 86 | #endif // INC_csr_hpp__ |