Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Parser/loader for IHEX formatted data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Copyright © 2008 David Woodhouse <dwmw2@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * Copyright © 2005 Jan Harkes <jaharkes@cs.cmu.edu>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <stdint.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <arpa/inet.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <stdio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <sys/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <sys/stat.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <sys/mman.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <fcntl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <unistd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <stdlib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #define _GNU_SOURCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include <getopt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #define __ALIGN_KERNEL_MASK(x, mask)	(((x) + (mask)) & ~(mask))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #define __ALIGN_KERNEL(x, a)		__ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #define ALIGN(x, a)			__ALIGN_KERNEL((x), (a))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) struct ihex_binrec {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	struct ihex_binrec *next; /* not part of the real data structure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30)         uint32_t addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31)         uint16_t len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32)         uint8_t data[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36)  * nybble/hex are little helpers to parse hexadecimal numbers to a byte value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37)  **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) static uint8_t nybble(const uint8_t n)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	if      (n >= '0' && n <= '9') return n - '0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	else if (n >= 'A' && n <= 'F') return n - ('A' - 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	else if (n >= 'a' && n <= 'f') return n - ('a' - 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) static uint8_t hex(const uint8_t *data, uint8_t *crc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	uint8_t val = (nybble(data[0]) << 4) | nybble(data[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	*crc += val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) static int process_ihex(uint8_t *data, ssize_t size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) static void file_record(struct ihex_binrec *record);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) static int output_records(int outfd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) static int sort_records = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) static int wide_records = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) static int include_jump = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) static int usage(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	fprintf(stderr, "ihex2fw: Convert ihex files into binary "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 		"representation for use by Linux kernel\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	fprintf(stderr, "usage: ihex2fw [<options>] <src.HEX> <dst.fw>\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	fprintf(stderr, "       -w: wide records (16-bit length)\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	fprintf(stderr, "       -s: sort records by address\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	fprintf(stderr, "       -j: include records for CS:IP/EIP address\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) int main(int argc, char **argv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	int infd, outfd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	struct stat st;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	uint8_t *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	int opt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	while ((opt = getopt(argc, argv, "wsj")) != -1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 		switch (opt) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 		case 'w':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 			wide_records = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 		case 's':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 			sort_records = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 		case 'j':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 			include_jump = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 			return usage();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	if (optind + 2 != argc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 		return usage();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	if (!strcmp(argv[optind], "-"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 		infd = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 		infd = open(argv[optind], O_RDONLY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	if (infd == -1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 		fprintf(stderr, "Failed to open source file: %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 			strerror(errno));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 		return usage();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	if (fstat(infd, &st)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 		perror("stat");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	data = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, infd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	if (data == MAP_FAILED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 		perror("mmap");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	if (!strcmp(argv[optind+1], "-"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 		outfd = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 		outfd = open(argv[optind+1], O_TRUNC|O_CREAT|O_WRONLY, 0644);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	if (outfd == -1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 		fprintf(stderr, "Failed to open destination file: %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 			strerror(errno));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 		return usage();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	if (process_ihex(data, st.st_size))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	return output_records(outfd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) static int process_ihex(uint8_t *data, ssize_t size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	struct ihex_binrec *record;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	size_t record_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	uint32_t offset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	uint32_t data32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	uint8_t type, crc = 0, crcbyte = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	int i, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	int line = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	int len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) next_record:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	/* search for the start of record character */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	while (i < size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 		if (data[i] == '\n') line++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 		if (data[i++] == ':') break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	/* Minimum record length would be about 10 characters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	if (i + 10 > size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 		fprintf(stderr, "Can't find valid record at line %d\n", line);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	len = hex(data + i, &crc); i += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	if (wide_records) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 		len <<= 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 		len += hex(data + i, &crc); i += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	record_size = ALIGN(sizeof(*record) + len, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	record = malloc(record_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	if (!record) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 		fprintf(stderr, "out of memory for records\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	memset(record, 0, record_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	record->len = len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	/* now check if we have enough data to read everything */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	if (i + 8 + (record->len * 2) > size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 		fprintf(stderr, "Not enough data to read complete record at line %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 			line);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	record->addr  = hex(data + i, &crc) << 8; i += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	record->addr |= hex(data + i, &crc); i += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	type = hex(data + i, &crc); i += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	for (j = 0; j < record->len; j++, i += 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 		record->data[j] = hex(data + i, &crc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	/* check CRC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	crcbyte = hex(data + i, &crc); i += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	if (crc != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 		fprintf(stderr, "CRC failure at line %d: got 0x%X, expected 0x%X\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 			line, crcbyte, (unsigned char)(crcbyte-crc));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	/* Done reading the record */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	switch (type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 		/* old style EOF record? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 		if (!record->len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 		record->addr += offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 		file_record(record);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 		goto next_record;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	case 1: /* End-Of-File Record */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 		if (record->addr || record->len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 			fprintf(stderr, "Bad EOF record (type 01) format at line %d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 				line);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	case 2: /* Extended Segment Address Record (HEX86) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	case 4: /* Extended Linear Address Record (HEX386) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 		if (record->addr || record->len != 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 			fprintf(stderr, "Bad HEX86/HEX386 record (type %02X) at line %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 				type, line);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 		/* We shouldn't really be using the offset for HEX86 because
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 		 * the wraparound case is specified quite differently. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 		offset = record->data[0] << 8 | record->data[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 		offset <<= (type == 2 ? 4 : 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 		goto next_record;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	case 3: /* Start Segment Address Record */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	case 5: /* Start Linear Address Record */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 		if (record->addr || record->len != 4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 			fprintf(stderr, "Bad Start Address record (type %02X) at line %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 				type, line);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 		memcpy(&data32, &record->data[0], sizeof(data32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 		data32 = htonl(data32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 		memcpy(&record->data[0], &data32, sizeof(data32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 		/* These records contain the CS/IP or EIP where execution
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 		 * starts. If requested output this as a record. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 		if (include_jump)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 			file_record(record);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 		goto next_record;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 		fprintf(stderr, "Unknown record (type %02X)\n", type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) static struct ihex_binrec *records;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) static void file_record(struct ihex_binrec *record)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	struct ihex_binrec **p = &records;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 	while ((*p) && (!sort_records || (*p)->addr < record->addr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 		p = &((*p)->next);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 	record->next = *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	*p = record;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) static uint16_t ihex_binrec_size(struct ihex_binrec *p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	return p->len + sizeof(p->addr) + sizeof(p->len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) static int output_records(int outfd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	unsigned char zeroes[6] = {0, 0, 0, 0, 0, 0};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	struct ihex_binrec *p = records;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	while (p) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 		uint16_t writelen = ALIGN(ihex_binrec_size(p), 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 		p->addr = htonl(p->addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 		p->len = htons(p->len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 		if (write(outfd, &p->addr, writelen) != writelen)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 			return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 		p = p->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	/* EOF record is zero length, since we don't bother to represent
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	   the type field in the binary version */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 	if (write(outfd, zeroes, 6) != 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) }