projects / OpenSPARC-T2-DV / blame
| Commit | Line | Data |
|---|---|---|
| 86530b38 AT |
1 | // ========== Copyright Header Begin ========================================== |
| 2 | // | |
| 3 | // OpenSPARC T2 Processor File: etl.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_etl_hpp__ | |
| 36 | #define INC_etl_hpp__ | |
| 37 | ||
| 38 | #include <systemc.h> | |
| 39 | ||
| 40 | #include "pcie_common/config.hpp" | |
| 41 | #include "pcie_common/pciePacket.hpp" | |
| 42 | ||
| 43 | #include "pcie_common/data_port.hpp" | |
| 44 | #include "pcie_common/csr_if_port.hpp" | |
| 45 | #include "pcie_common/peu_csr_defines.hpp" | |
| 46 | #include "pcie_common/peu_defines.hpp" | |
| 47 | ||
| 48 | #include <queue> | |
| 49 | ||
| 50 | #define WAIT(__EV__) if(!POR_RESET) wait( __EV__ | reset_ev); \ | |
| 51 | if(POR_RESET) {LOG_WARNING<<"ETL:WAIT throwing exception"; throw sc_exception();} | |
| 52 | ||
| 53 | namespace pcie { | |
| 54 | ||
| 55 | class etl : public sc_module | |
| 56 | { | |
| 57 | public: | |
| 58 | etl(sc_module_name module_name, sc_event *parent_global_ev, uint8 *global_event_type) : | |
| 59 | sc_module (module_name), | |
| 60 | dout_port("data_out_port"), | |
| 61 | req_port("Req_port"), | |
| 62 | cmpl_port("CMPL_port"), | |
| 63 | csr_port("CSR_PORT"), | |
| 64 | eg_etl_rsb_port("EG_ETL_RSB_PORT") | |
| 65 | { | |
| 66 | this->parent_global_ev = parent_global_ev; | |
| 67 | this->global_event_type = global_event_type; | |
| 68 | SC_METHOD(init); | |
| 69 | SC_THREAD(reset_handler); | |
| 70 | } | |
| 71 | ||
| 72 | SC_HAS_PROCESS( etl); | |
| 73 | ||
| 74 | data_out_port<RefPciePacket> dout_port; | |
| 75 | data_out_port<RefPciePacket> eg_etl_rsb_port; | |
| 76 | data_in_port<RefPciePacket> req_port; | |
| 77 | data_in_port<RefPciePacket> cmpl_port; | |
| 78 | ||
| 79 | csr_if_port< CSR_ADDR_T, CSR_DATA_T > csr_port; | |
| 80 | ||
| 81 | sc_uint<64> ecl, ecc; ///< local credit consumed and credit limit registers. | |
| 82 | sc_event ecl_event; | |
| 83 | ||
| 84 | private: | |
| 85 | //Module threads and methods | |
| 86 | void execute(); | |
| 87 | void req_handler(); | |
| 88 | void cmpl_handler(); | |
| 89 | void get_p_credit(RefPciePacket& p); | |
| 90 | void get_np_credit(RefPciePacket& p); | |
| 91 | void get_cmpl_credit(RefPciePacket& p); | |
| 92 | void ecl_update(); | |
| 93 | void init(); | |
| 94 | void reset_handler(); | |
| 95 | ||
| 96 | //Module events | |
| 97 | sc_event ecl_ev; ///< Egress Credit Limit CSR update event | |
| 98 | sc_event epktRdy_ev; ///< Egress Pkt Rdy event | |
| 99 | sc_event reset_ev; ///< Reset event for threads in the module | |
| 100 | sc_event *parent_global_ev; ///< Global event to the module | |
| 101 | ||
| 102 | uint8 *global_event_type; | |
| 103 | ||
| 104 | bool POR_RESET; | |
| 105 | ||
| 106 | //Proc handles | |
| 107 | sc_process_handle execute_ph; | |
| 108 | sc_process_handle req_handler_ph; | |
| 109 | sc_process_handle cmpl_handler_ph; | |
| 110 | sc_process_handle ecl_update_ph; | |
| 111 | ||
| 112 | USE_NAMESPACE(std)queue<RefPciePacket> egress_q; ///< Egress TLP queue | |
| 113 | }; | |
| 114 | } // namespace pcie_tl | |
| 115 | #endif // INC_etl_hpp__ |