Start developing BitstreamContext

vpr7_x2p/vpr/SRC/fpga_x2p/base/bitstream_context.h

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+/******************************************************************************
+ * This file introduces a data structure to store bitstream-related information 
+ ******************************************************************************/
+#ifndef BITSTREAM_CONTEXT_H
+#define BITSTREAM_CONTEXT_H
+
+#include "vtr_vector.h"
+#include "bitstream_context_fwd.h"
+
+class BitstreamContext {
+  private: /* Internal data */
+    enum e_sram_orgz config_scheme_;  /* The type of configuration protocol */
+    CircuitModelId& sram_model_;      /* The memory circuit model used by the Bitstream generation */
+    size_t num_memory_bits_;          /* Number of memory bits */ 
+    size_t num_bls_;                  /* Number of Bit Lines */
+    size_t num_wls_;                  /* Number of Word Lines */
+
+    size_t num_reserved_bls_;         /* Number of reserved Bit Lines, ONLY applicable to RRAM-based FPGA */
+    size_t num_reserved_wls_;         /* Number of reserved Word Lines, ONLY applicable to RRAM-based FPGA  */
+    /* Unique id of a bit in the Bitstream */
+    vtr::vector<ConfigBitId, ConfigBitId> bit_ids_; 
+    /* Bit line address of a bit in the Bitream: ONLY applicable to memory-decoders */
+    vtr::vector<ConfigBitId, size_t> bl_addr_;     
+    /* Word line address of a bit in the Bitream: ONLY applicable to memory-decoders */
+    vtr::vector<ConfigBitId, size_t> wl_addr_;     
+    /* value of a bit in the Bitream */
+    vtr::vector<ConfigBitId, bool> bit_val_;
+};
+
+#endif
+

vpr7_x2p/vpr/SRC/fpga_x2p/base/bitstream_context_fwd.h

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+/**************************************************
+ * This file includes only declarations for 
+ * the data structures for module managers
+ * Please refer to module_manager.h for more details
+ *************************************************/
+#ifndef MODULE_MANAGER_FWD_H
+#define MODULE_MANAGER_FWD_H
+
+#include "vtr_strong_id.h"
+
+/* Strong Ids for ModuleManager */
+struct config_bit_id_tag;
+
+typedef vtr::StrongId<config_bit_id_tag> ConfigBitId;
+
+class BitstreamContext;
+
+#endif