patch-2.0.11 linux/arch/alpha/boot/tools/build.c

• Lines: 174
• Date: Thu Jan 1 02:00:00 1970
• Orig file: v2.0.10/linux/arch/alpha/boot/tools/build.c
• Orig date: Wed May 15 10:49:36 1996

diff -u --recursive --new-file v2.0.10/linux/arch/alpha/boot/tools/build.c linux/arch/alpha/boot/tools/build.c
@@ -1,173 +0,0 @@
-/*
- * arch/alpha/boot/tools/build.c
- *
- * Build a bootable image from the vmlinux binary
- */
-#include <string.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <fcntl.h>
-
-#include <linux/a.out.h>
-
-#include <asm/system.h>
-
-#define MAXSECT 10
-#define MAXBUF 8192
-
-int verbose = 0;
-int pad = 0;
-char * program = "tools/build";
-char buffer[MAXBUF];
-unsigned long bootblock[64];
-struct filehdr fhdr;
-struct aouthdr ahdr;
-struct scnhdr  shdr[MAXSECT];
-
-char * usage = "'build [-b] system > secondary' or 'build > primary'";
-
-static void die(char * str)
-{
-	fprintf(stderr,"%s: %s\n", program, str);
-	exit(1);
-}
-
-static int comp(struct scnhdr * a, struct scnhdr * b)
-{
-	return a->s_vaddr - b->s_vaddr;
-}
-
-int main(int argc, char ** argv)
-{
-	int fd, i;
-	unsigned long tmp, start;
-	unsigned long system_start, system_size;
-	char * infile = NULL;
-
-	system_start = START_ADDR;
-	system_size = START_SIZE;
-	if (argc) {
-		program = *(argv++);
-		argc--;
-	}
-	while (argc > 0) {
-		if (**argv == '-') {
-			while (*++*argv) {
-				switch (**argv) {
-					case 'b':
-						system_start = BOOT_ADDR;
-						system_size = BOOT_SIZE;
-						pad = 1;
-						break;
-					case 'v':
-						verbose++;
-						break;
-					default:
-						die(usage);
-				}
-			}
-		} else if (infile)
-			die(usage);
-		else
-			infile = *argv;
-		argv++;
-		argc--;
-	}
-	if (!infile) {
-		memcpy(bootblock, "Linux Test", 10);
-		bootblock[60] = BOOT_SIZE / 512;	/* count */
-		bootblock[61] = 1;			/* starting LBM */
-		bootblock[62] = 0;			/* flags */
-		tmp = 0;
-		for (i = 0 ; i < 63 ; i++)
-			tmp += bootblock[i];
-		bootblock[63] = tmp;
-		if (write(1, (char *) bootblock, 512) != 512) {
-			perror("bbwrite");
-			exit(1);
-		}
-		return 0;
-	}
-	fd = open(infile, O_RDONLY);
-	if (fd < 0) {
-		perror(infile);
-		exit(1);
-	}
-	if (read(fd, &fhdr, sizeof(struct filehdr)) != sizeof(struct filehdr))
-		die("unable to read file header");
-	if (fhdr.f_nscns > MAXSECT)
-		die("Too many sections");
-	if (fhdr.f_opthdr != AOUTHSZ)
-		die("optional header doesn't look like a.out");
-	if (read(fd, &ahdr, sizeof(struct aouthdr)) != sizeof(struct aouthdr))
-		die("unable to read a.out header");
-	for (i = 0 ; i < fhdr.f_nscns ; i++) {
-		if (read(fd, i+shdr, sizeof(struct scnhdr)) != sizeof(struct scnhdr))
-			die("unable to read section header");
-		if (shdr[i].s_paddr != shdr[i].s_vaddr)
-			die("unable to handle different phys/virt addresses");
-		if (shdr[i].s_relptr)
-			die("Unable to handle relocation info");
-		if (verbose) {
-			fprintf(stderr, "section %d (%.8s):\t%lx - %lx (at %x)\n",
-				i, shdr[i].s_name,
-				shdr[i].s_vaddr,
-				shdr[i].s_vaddr + shdr[i].s_size,
-				shdr[i].s_scnptr);
-		}
-	}
-	qsort(shdr, fhdr.f_nscns, sizeof(shdr[1]), comp);
-	start = system_start;
-	for (i = 0 ; i < fhdr.f_nscns ; i++) {
-		unsigned long size, offset;
-		memset(buffer, 0, MAXBUF);
-		if (!strcmp(shdr[i].s_name, ".comment"))
-			continue;
-		if (shdr[i].s_vaddr != start)
-			die("Unordered or badly placed segments");
-		size = shdr[i].s_size;
-		start += size;
-		offset = shdr[i].s_scnptr;
-		if (lseek(fd, offset, SEEK_SET) != offset)
-			die("Unable to seek in in-file");
-		while (size > 0) {
-			unsigned long num = size;
-			if (num > MAXBUF)
-				num = MAXBUF;
-			if (offset)
-				if (read(fd, buffer, num) != num)
-					die("partial read");
-			if (write(1, buffer, num) != num)
-				die("partial write");
-			size -= num;
-		}
-		if (verbose) {
-			fprintf(stderr, "section %d (%.8s):\t%lx - %lx (at %x)\n",
-				i, shdr[i].s_name,
-				shdr[i].s_vaddr,
-				shdr[i].s_vaddr + shdr[i].s_size,
-				shdr[i].s_scnptr);
-		}
-	}
-	if (start > system_start + system_size) {
-		fprintf(stderr, "Boot image too large\n");
-		exit(1);
-	}
-	if (pad) {
-		unsigned long count = (system_start + system_size) - start;
-		memset(buffer, 0, MAXBUF);
-		while (count > 0) {
-			int i = MAXBUF;
-			if (i > count)
-				i = count;
-			i = write(1, buffer, i);
-			if (i <= 0) {
-				perror("pad write");
-				exit(1);
-			}
-			count -= i;
-		}
-	}
-		
-	return 0;
-}