/usr/include/floorplan.h is in libfpga-dev 0.0+201212-1+b2.
This file is owned by root:root, with mode 0o644.
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// Author: Wolfgang Spraul
//
// This is free and unencumbered software released into the public domain.
// For details see the UNLICENSE file at the root of the source tree.
//
//
// Design principles of a floorplan file
//
// What needs to be in the file:
// - all devices, configuration for each device
// probably multiple lines that are adding config strings
// - wires maybe separately, and/or as named connection points
// in tiles?
// - connection pairs that can be enabled/disabled
// - global flags and configuration registers
// - the static data should be optional (unused conn pairs,
// unused devices, wires)
//
// - each line should be in the global namespace, line order
// should not matter
// - file should be easily parsable with bison
// - lines should typically not exceed 80 characters
//
int read_floorplan(struct fpga_model* model, FILE* f);
#define FP_DEFAULT 0x0000
#define FP_NO_HEADER 0x0001
int write_floorplan(FILE* f, struct fpga_model* model, int flags);
void printf_version(FILE* f);
int printf_tiles(FILE* f, struct fpga_model* model);
int printf_devices(FILE* f, struct fpga_model* model, int config_only);
int printf_ports(FILE* f, struct fpga_model* model);
int printf_conns(FILE* f, struct fpga_model* model);
int printf_switches(FILE* f, struct fpga_model* model);
int printf_nets(FILE* f, struct fpga_model* model);
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