[2] | 1 | /* -*- c++ -*- |
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| 2 | * |
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| 3 | * SOCLIB_LGPL_HEADER_BEGIN |
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| 4 | * |
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| 5 | * This file is part of SoCLib, GNU LGPLv2.1. |
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| 6 | * |
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| 7 | * SoCLib is free software; you can redistribute it and/or modify it |
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| 8 | * under the terms of the GNU Lesser General Public License as published |
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| 9 | * by the Free Software Foundation; version 2.1 of the License. |
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| 10 | * |
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| 11 | * SoCLib is distributed in the hope that it will be useful, but |
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| 12 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | * Lesser General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU Lesser General Public |
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| 17 | * License along with SoCLib; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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| 19 | * 02110-1301 USA |
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| 20 | * |
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| 21 | * SOCLIB_LGPL_HEADER_END |
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| 22 | * |
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| 23 | * Copyright (c) UPMC, Lip6, Asim |
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| 24 | * Nicolas Pouillon <nipo@ssji.net>, 2007 |
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| 25 | * Eric Guthmuller <eric.guthmuller@polytechnique.edu> |
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| 26 | * |
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| 27 | * Maintainers: nipo eric.guthmuller@polytechnique.edu |
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| 28 | */ |
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| 29 | #ifndef SOCLIB_VCI_BLOCK_DEVICE_TSAR_H |
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| 30 | #define SOCLIB_VCI_BLOCK_DEVICE_TSAR_H |
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| 31 | |
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| 32 | #include <stdint.h> |
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| 33 | #include <systemc> |
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| 34 | #include "vci_target_fsm.h" |
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| 35 | #include "vci_initiator_fsm.h" |
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| 36 | #include "caba_base_module.h" |
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| 37 | #include "mapping_table.h" |
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| 38 | |
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| 39 | namespace soclib { |
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| 40 | namespace caba { |
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| 41 | |
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| 42 | using namespace sc_core; |
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| 43 | |
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| 44 | template<typename vci_param> |
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| 45 | class VciBlockDeviceTsar |
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| 46 | : public caba::BaseModule |
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| 47 | { |
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| 48 | private: |
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| 49 | soclib::caba::VciTargetFsm<vci_param, true> m_vci_target_fsm; |
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| 50 | soclib::caba::VciInitiatorFsm<vci_param> m_vci_init_fsm; |
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| 51 | typedef typename soclib::caba::VciInitiatorReq<vci_param> req_t; |
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| 52 | |
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| 53 | bool on_write(int seg, typename vci_param::addr_t addr, typename vci_param::data_t data, int be); |
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| 54 | bool on_read(int seg, typename vci_param::addr_t addr, typename vci_param::data_t &data); |
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| 55 | void read_done( req_t *req ); |
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| 56 | void write_finish( req_t *req ); |
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| 57 | void open_finish( req_t *req ); |
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| 58 | void next_req(); |
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| 59 | void transition(); |
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| 60 | void genMoore(); |
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| 61 | |
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| 62 | const uint32_t m_block_size; |
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| 63 | const uint32_t m_burst_size; // Maximum size of the burst |
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| 64 | |
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| 65 | int m_fd; |
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| 66 | int m_op; |
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| 67 | uint32_t m_buffer; |
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| 68 | uint32_t m_count; |
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| 69 | uint64_t m_device_size; |
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| 70 | uint32_t m_lba; |
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| 71 | int m_status; |
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| 72 | uint32_t m_chunck_offset; |
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| 73 | uint32_t m_transfer_size; |
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| 74 | bool m_irq_enabled; |
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| 75 | bool r_irq; |
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| 76 | |
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| 77 | int m_current_op; |
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| 78 | |
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| 79 | uint8_t *m_data; |
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| 80 | |
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| 81 | inline void ended(int status); |
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| 82 | |
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| 83 | protected: |
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| 84 | SC_HAS_PROCESS(VciBlockDeviceTsar); |
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| 85 | |
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| 86 | public: |
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| 87 | sc_in<bool> p_clk; |
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| 88 | sc_in<bool> p_resetn; |
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| 89 | soclib::caba::VciTarget<vci_param> p_vci_target; |
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| 90 | soclib::caba::VciInitiator<vci_param> p_vci_initiator; |
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| 91 | sc_out<bool> p_irq; |
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| 92 | |
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| 93 | VciBlockDeviceTsar( |
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| 94 | sc_module_name name, |
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| 95 | const soclib::common::MappingTable &mt, |
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| 96 | const soclib::common::IntTab &srcid, |
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| 97 | const soclib::common::IntTab &tgtid, |
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| 98 | const std::string &filename, |
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| 99 | const uint32_t block_size = 512, |
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| 100 | const uint32_t burst_size = 64); |
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| 101 | }; |
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| 102 | |
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| 103 | }} |
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| 104 | |
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| 105 | #endif /* SOCLIB_VCI_BLOCK_DEVICE_TSAR_H */ |
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| 106 | |
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| 107 | // Local Variables: |
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| 108 | // tab-width: 4 |
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| 109 | // c-basic-offset: 4 |
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| 110 | // c-file-offsets:((innamespace . 0)(inline-open . 0)) |
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| 111 | // indent-tabs-mode: nil |
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| 112 | // End: |
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| 113 | |
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| 114 | // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=4:softtabstop=4 |
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| 115 | |
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