diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2009-05-20 09:02:28 +0200 | 
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-05-20 09:02:28 +0200 | 
| commit | 521c180874dae86f675d23c4eade4dba8b1f2cc8 (patch) | |
| tree | 7509303da3a9a1b40a26f6811f321c89cd31737b /scripts/ihex2fw.c | |
| parent | f1a11e0576c7a73d759d05d776692b2b2d37172b (diff) | |
| parent | 64d1304a64477629cb16b75491a77bafe6f86963 (diff) | |
Merge branch 'core/urgent' into core/futexes
Merge reason: this branch was on an pre -rc1 base, merge it up to -rc6+
              to get the latest upstream fixes.
Conflicts:
	kernel/futex.c
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'scripts/ihex2fw.c')
| -rw-r--r-- | scripts/ihex2fw.c | 268 | 
1 files changed, 0 insertions, 268 deletions
| diff --git a/scripts/ihex2fw.c b/scripts/ihex2fw.c deleted file mode 100644 index 8f7fdaa9e01..00000000000 --- a/scripts/ihex2fw.c +++ /dev/null @@ -1,268 +0,0 @@ -/* - * Parser/loader for IHEX formatted data. - * - * Copyright © 2008 David Woodhouse <dwmw2@infradead.org> - * Copyright © 2005 Jan Harkes <jaharkes@cs.cmu.edu> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <stdint.h> -#include <arpa/inet.h> -#include <stdio.h> -#include <errno.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/mman.h> -#include <fcntl.h> -#include <string.h> -#include <unistd.h> -#include <stdlib.h> -#define _GNU_SOURCE -#include <getopt.h> - - -struct ihex_binrec { -	struct ihex_binrec *next; /* not part of the real data structure */ -        uint32_t addr; -        uint16_t len; -        uint8_t data[]; -}; - -/** - * nybble/hex are little helpers to parse hexadecimal numbers to a byte value - **/ -static uint8_t nybble(const uint8_t n) -{ -       if      (n >= '0' && n <= '9') return n - '0'; -       else if (n >= 'A' && n <= 'F') return n - ('A' - 10); -       else if (n >= 'a' && n <= 'f') return n - ('a' - 10); -       return 0; -} - -static uint8_t hex(const uint8_t *data, uint8_t *crc) -{ -       uint8_t val = (nybble(data[0]) << 4) | nybble(data[1]); -       *crc += val; -       return val; -} - -static int process_ihex(uint8_t *data, ssize_t size); -static void file_record(struct ihex_binrec *record); -static int output_records(int outfd); - -static int sort_records = 0; -static int wide_records = 0; - -int usage(void) -{ -	fprintf(stderr, "ihex2fw: Convert ihex files into binary " -		"representation for use by Linux kernel\n"); -	fprintf(stderr, "usage: ihex2fw [<options>] <src.HEX> <dst.fw>\n"); -	fprintf(stderr, "       -w: wide records (16-bit length)\n"); -	fprintf(stderr, "       -s: sort records by address\n"); -	return 1; -} - -int main(int argc, char **argv) -{ -	int infd, outfd; -	struct stat st; -	uint8_t *data; -	int opt; - -	while ((opt = getopt(argc, argv, "ws")) != -1) { -		switch (opt) { -		case 'w': -			wide_records = 1; -			break; -		case 's': -			sort_records = 1; -			break; -		default: -			return usage(); -		} -	} - -	if (optind + 2 != argc) -		return usage(); - -	if (!strcmp(argv[optind], "-")) -	    infd = 0; -	else -		infd = open(argv[optind], O_RDONLY); -	if (infd == -1) { -		fprintf(stderr, "Failed to open source file: %s", -			strerror(errno)); -		return usage(); -	} -	if (fstat(infd, &st)) { -		perror("stat"); -		return 1; -	} -	data = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, infd, 0); -	if (data == MAP_FAILED) { -		perror("mmap"); -		return 1; -	} - -	if (!strcmp(argv[optind+1], "-")) -	    outfd = 1; -	else -		outfd = open(argv[optind+1], O_TRUNC|O_CREAT|O_WRONLY, 0644); -	if (outfd == -1) { -		fprintf(stderr, "Failed to open destination file: %s", -			strerror(errno)); -		return usage(); -	} -	if (process_ihex(data, st.st_size)) -		return 1; - -	output_records(outfd); -	return 0; -} - -static int process_ihex(uint8_t *data, ssize_t size) -{ -	struct ihex_binrec *record; -	uint32_t offset = 0; -	uint8_t type, crc = 0, crcbyte = 0; -	int i, j; -	int line = 1; -	int len; - -	i = 0; -next_record: -	/* search for the start of record character */ -	while (i < size) { -		if (data[i] == '\n') line++; -		if (data[i++] == ':') break; -	} - -	/* Minimum record length would be about 10 characters */ -	if (i + 10 > size) { -		fprintf(stderr, "Can't find valid record at line %d\n", line); -		return -EINVAL; -	} - -	len = hex(data + i, &crc); i += 2; -	if (wide_records) { -		len <<= 8; -		len += hex(data + i, &crc); i += 2; -	} -	record = malloc((sizeof (*record) + len + 3) & ~3); -	if (!record) { -		fprintf(stderr, "out of memory for records\n"); -		return -ENOMEM; -	} -	memset(record, 0, (sizeof(*record) + len + 3) & ~3); -	record->len = len; - -	/* now check if we have enough data to read everything */ -	if (i + 8 + (record->len * 2) > size) { -		fprintf(stderr, "Not enough data to read complete record at line %d\n", -			line); -		return -EINVAL; -	} - -	record->addr  = hex(data + i, &crc) << 8; i += 2; -	record->addr |= hex(data + i, &crc); i += 2; -	type = hex(data + i, &crc); i += 2; - -	for (j = 0; j < record->len; j++, i += 2) -		record->data[j] = hex(data + i, &crc); - -	/* check CRC */ -	crcbyte = hex(data + i, &crc); i += 2; -	if (crc != 0) { -		fprintf(stderr, "CRC failure at line %d: got 0x%X, expected 0x%X\n", -			line, crcbyte, (unsigned char)(crcbyte-crc)); -		return -EINVAL; -	} - -	/* Done reading the record */ -	switch (type) { -	case 0: -		/* old style EOF record? */ -		if (!record->len) -			break; - -		record->addr += offset; -		file_record(record); -		goto next_record; - -	case 1: /* End-Of-File Record */ -		if (record->addr || record->len) { -			fprintf(stderr, "Bad EOF record (type 01) format at line %d", -				line); -			return -EINVAL; -		} -		break; - -	case 2: /* Extended Segment Address Record (HEX86) */ -	case 4: /* Extended Linear Address Record (HEX386) */ -		if (record->addr || record->len != 2) { -			fprintf(stderr, "Bad HEX86/HEX386 record (type %02X) at line %d\n", -				type, line); -			return -EINVAL; -		} - -		/* We shouldn't really be using the offset for HEX86 because -		 * the wraparound case is specified quite differently. */ -		offset = record->data[0] << 8 | record->data[1]; -		offset <<= (type == 2 ? 4 : 16); -		goto next_record; - -	case 3: /* Start Segment Address Record */ -	case 5: /* Start Linear Address Record */ -		if (record->addr || record->len != 4) { -			fprintf(stderr, "Bad Start Address record (type %02X) at line %d\n", -				type, line); -			return -EINVAL; -		} - -		/* These records contain the CS/IP or EIP where execution -		 * starts. Don't really know what to do with them. */ -		goto next_record; - -	default: -		fprintf(stderr, "Unknown record (type %02X)\n", type); -		return -EINVAL; -	} - -	return 0; -} - -static struct ihex_binrec *records; - -static void file_record(struct ihex_binrec *record) -{ -	struct ihex_binrec **p = &records; - -	while ((*p) && (!sort_records || (*p)->addr < record->addr)) -		p = &((*p)->next); - -	record->next = *p; -	*p = record; -} - -static int output_records(int outfd) -{ -	unsigned char zeroes[6] = {0, 0, 0, 0, 0, 0}; -	struct ihex_binrec *p = records; - -	while (p) { -		uint16_t writelen = (p->len + 9) & ~3; - -		p->addr = htonl(p->addr); -		p->len = htons(p->len); -		write(outfd, &p->addr, writelen); -		p = p->next; -	} -	/* EOF record is zero length, since we don't bother to represent -	   the type field in the binary version */ -	write(outfd, zeroes, 6); -	return 0; -} | 
