Initial Commit - Copy from Altus Metrum AltOS

ao-tools/lib/ao-hex.h

@@ -0,0 +1,85 @@
+/*
+ * Copyright © 2013 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#ifndef _AO_HEX_H_
+#define _AO_HEX_H_
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdio.h>
+
+#define AO_HEX_RECORD_NORMAL			0x00
+#define AO_HEX_RECORD_EOF			0x01
+#define AO_HEX_RECORD_EXTENDED_ADDRESS_4	0x02
+#define AO_HEX_RECORD_EXTENDED_ADDRESS_8	0x04
+#define AO_HEX_RECORD_SYMBOL			0xfe
+
+/* Intel hex file format data
+ */
+struct ao_hex_record {
+	uint8_t	length;
+	uint16_t address;
+	uint8_t type;
+	uint8_t checksum;
+	uint8_t data[0];
+};
+
+struct ao_hex_file {
+	int			nrecord;
+	struct ao_hex_record	*records[0];
+};
+
+struct ao_hex_image {
+	uint32_t	address;
+	uint32_t	length;
+	uint8_t		data[0];
+};
+
+struct ao_sym {
+	unsigned	addr;
+	char		*name;
+	bool		required;
+	bool		found;
+};
+
+struct ao_hex_file *
+ao_hex_file_read(FILE *file, char *name);
+
+void
+ao_hex_file_free(struct ao_hex_file *hex);
+
+struct ao_hex_image *
+ao_hex_image_create(struct ao_hex_file *hex);
+
+void
+ao_hex_image_free(struct ao_hex_image *image);
+
+struct ao_hex_image *
+ao_hex_load(char *filename, struct ao_sym **symbols, int *num_symbols);
+
+struct ao_hex_image *
+ao_hex_image_cat(struct ao_hex_image *a, struct ao_hex_image *b);
+
+int
+ao_hex_image_equal(struct ao_hex_image *a, struct ao_hex_image *b);
+
+bool
+ao_hex_save(FILE *file, struct ao_hex_image *image,
+	    struct ao_sym *symbols, int num_symbols);
+
+#endif /* _AO_HEX_H_ */