62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
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#ifndef IO_LOCATION_MAP_H
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#define IO_LOCATION_MAP_H
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/********************************************************************
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* Include header files required by the data structure definition
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*******************************************************************/
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#include <stddef.h>
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#include <vector>
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#include <string>
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#include <map>
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#include <array>
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#include "openfpga_port.h"
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/* Begin namespace openfpga */
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namespace openfpga {
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/********************************************************************
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* I/O location map is a data structure to bridge the index of I/Os
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* in the FPGA fabric, i.e., the module graph, and logical location
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* of the I/O in VPR coordinate system
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*
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* For example:
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*
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* ioA[0] ioA[1] ioB[0] ioB[1] ioA[2]
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* +-----------------+ +--------+--------+ +--------+
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* | | | | | | | |
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* | I/O | I/O | | I/O | I/O | | I/O |
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* | [0][y] | [0][y] | | [1][y] | [1][y] | | [2][y] | ...
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* | [0] | [1] | | [0] | [1] | | [0] |
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* +-----------------+ +--------+--------+ +--------+
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*
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*******************************************************************/
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class IoLocationMap {
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public: /* Public aggregators */
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size_t io_index(const size_t& x,
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const size_t& y,
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const size_t& z,
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const std::string& io_port_name) const;
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size_t io_x(const BasicPort& io_port) const;
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size_t io_y(const BasicPort& io_port) const;
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size_t io_z(const BasicPort& io_port) const;
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public: /* Public mutators */
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void set_io_index(const size_t& x,
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const size_t& y,
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const size_t& z,
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const std::string& io_port_name,
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const size_t& io_index);
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public: /* Public writer */
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int write_to_xml_file(const std::string& fname,
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const bool& include_time_stamp,
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const bool& verbose) const;
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private: /* Internal Data */
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/* I/O index fast lookup by [x][y][z] location
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* Note that multiple I/Os may be assigned to the same coordinate!
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*/
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std::map<std::array<size_t, 3>, std::vector<BasicPort>> io_indices_;
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};
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} /* End namespace openfpga*/
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#endif
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