posParser: introducing intel/altera POF file parser

2026-09-01 18:48:49 +02:00 · 2022-11-20 16:46:51 +01:00
parent d5190a3bd4
commit 2df7606300
3 changed files with 292 additions and 1 deletions
@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: Apache-2.0
+/*
+ * Copyright (C) 2022 Gwenhael Goavec-Merou <[email protected]>
+ */
+
+#ifndef SRC_POFPARSER_HPP_
+#define SRC_POFPARSER_HPP_
+
+#include <stdint.h>
+
+#include <string>
+#include <map>
+
+#include "configBitstreamParser.hpp"
+
+#define ARRAY2INT16(_array_) ( \
+	(static_cast<uint16_t>(_array_[0] & 0x00ff) << 0) | \
+	(static_cast<uint16_t>(_array_[1] & 0x00ff) << 8))
+
+#define ARRAY2INT32(_array_) ( \
+	(static_cast<uint16_t>(_array_[0] & 0x00ff) <<  0) | \
+	(static_cast<uint16_t>(_array_[1] & 0x00ff) <<  8) | \
+	(static_cast<uint16_t>(_array_[2] & 0x00ff) << 16) | \
+	(static_cast<uint16_t>(_array_[3] & 0x00ff) << 24))
+
+/*!
+ * \file pofParser.hpp
+ * \class POFParser
+ * \brief basic implementation for intel/altera POF format
+ * \author Gwenhael Goavec-Merou
+ */
+class POFParser: public ConfigBitstreamParser {
+	public:
+		POFParser(const std::string &filename, bool verbose = false);
+		~POFParser();
+
+		int parse() override;
+
+		/**
+		 * \brief return pointer to cfg data section when name is provided
+		 *        when "" -> return full cfg_data
+		 * \return a pointer
+		 */
+		uint8_t *getData(const std::string &section_name);
+
+		/**
+		 * \brief return length (bits) to a cfg data section when name is
+		 *        provided or full cfg_data length when ""
+		 * \return size in bits
+		 */
+		int getLength(const std::string &section_name);
+
+		/**
+         * \brief display header informations
+         */
+        void displayHeader() override;
+
+
+	private:
+		/* packet 0x1A content */
+		typedef struct {
+			uint8_t flag;         // 1 Byte before section name
+			std::string section;  // UFM/CFM/ICB
+			uint32_t offset;      // start offset in packet 17 area
+			uint8_t *data;        // memory pointer
+			uint32_t len;         // area length (bits)
+		} memory_section_t;
+
+		std::map<std::string, memory_section_t> mem_section;
+
+		/*!
+		 * \brief parse a section 0x1A (list of sections)
+		 * \param[in] flag: 16Bits flag
+		 * \param[in] pos : 32bits _raw_data's offset
+		 * \param[in] size: 32bits content's size
+		 */
+		void parseFlag26(uint16_t flag, uint32_t pos,
+			uint32_t size, const std::string &payload);
+
+		/*!
+		 * \brief parse a section (flag + pos + size)
+		 * \param[in] flag: 16Bits flag
+		 * \param[in] pos : 32bits _raw_data's offset
+		 * \param[in] size: 32bits content's size
+		 * \return size
+		 */
+		uint32_t parseSection(uint16_t flag, uint32_t pos, uint32_t size);
+};
+#endif  // SRC_POFPARSER_HPP_