Date:	Fri, 22 May 2015 20:40:46 +0200
From:	Rabin Vincent <rabin@....in>
To:	jesper.nilsson@...s.com
Cc:	linux-kernel@...r.kernel.org, linux-cris-kernel@...s.com,
	Rabin Vincent <rabin@....in>
Subject: [PATCH] CRIS: delete unused build.c

This file called build.c is (ironically?) never built.

Signed-off-by: Rabin Vincent <rabin@....in>
---
 arch/cris/boot/tools/build.c | 287 -------------------------------------------
 1 file changed, 287 deletions(-)
 delete mode 100644 arch/cris/boot/tools/build.c

diff --git a/arch/cris/boot/tools/build.c b/arch/cris/boot/tools/build.c
deleted file mode 100644
index c8adef3..0000000
--- a/arch/cris/boot/tools/build.c
+++ /dev/null
@@ -1,287 +0,0 @@
-/*
- *  linux/tools/build.c
- *
- *  Copyright (C) 1991, 1992  Linus Torvalds
- */
-
-/*
- * This file builds a disk-image from three different files:
- *
- * - bootsect: exactly 512 bytes of 8086 machine code, loads the rest
- * - setup: 8086 machine code, sets up system parm
- * - system: 80386 code for actual system
- *
- * It does some checking that all files are of the correct type, and
- * just writes the result to stdout, removing headers and padding to
- * the right amount. It also writes some system data to stderr.
- */
-
-/*
- * Changes by tytso to allow root device specification
- * High loaded stuff by Hans Lermen & Werner Almesberger, Feb. 1996
- * Cross compiling fixes by Gertjan van Wingerde, July 1996
- */
-
-#include <stdio.h>	/* fprintf */
-#include <string.h>
-#include <stdlib.h>	/* contains exit */
-#include <sys/types.h>	/* unistd.h needs this */
-#include <sys/stat.h>
-#include <sys/sysmacros.h>
-#include <unistd.h>	/* contains read/write */
-#include <fcntl.h>
-#include <errno.h>
-
-#define MINIX_HEADER 32
-
-#define N_MAGIC_OFFSET 1024
-#ifndef __BFD__
-static int GCC_HEADER = sizeof(struct exec);
-#endif
-
-#ifdef __BIG_KERNEL__
-#define SYS_SIZE 0xffff
-#else
-#define SYS_SIZE DEF_SYSSIZE
-#endif
-
-#define DEFAULT_MAJOR_ROOT 0
-#define DEFAULT_MINOR_ROOT 0
-
-/* max nr of sectors of setup: don't change unless you also change
- * bootsect etc */
-#define SETUP_SECTS 4
-
-#define STRINGIFY(x) #x
-
-typedef union {
-	int i;
-	long l;
-	short s[2];
-	char b[4];
-} conv;
-
-long intel_long(long l)
-{
-	conv t;
-
-	t.b[0] = l & 0xff; l >>= 8;
-	t.b[1] = l & 0xff; l >>= 8;
-	t.b[2] = l & 0xff; l >>= 8;
-	t.b[3] = l & 0xff; l >>= 8;
-	return t.l;
-}
-
-int intel_int(int i)
-{
-	conv t;
-
-	t.b[0] = i & 0xff; i >>= 8;
-        t.b[1] = i & 0xff; i >>= 8;
-        t.b[2] = i & 0xff; i >>= 8;
-        t.b[3] = i & 0xff; i >>= 8;
-        return t.i;
-}
-
-short intel_short(short l)
-{
-	conv t;
-
-	t.b[0] = l & 0xff; l >>= 8;
-	t.b[1] = l & 0xff; l >>= 8;
-	return t.s[0];
-}
-
-void die(const char * str)
-{
-	fprintf(stderr,"%s\n",str);
-	exit(1);
-}
-
-void usage(void)
-{
-	die("Usage: build bootsect setup system [rootdev] [> image]");
-}
-
-int main(int argc, char ** argv)
-{
-	int i,c,id,sz,tmp_int;
-	unsigned long sys_size, tmp_long;
-	char buf[1024];
-#ifndef __BFD__
-	struct exec *ex = (struct exec *)buf;
-#endif
-	char major_root, minor_root;
-	struct stat sb;
-	unsigned char setup_sectors;
-
-	if ((argc < 4) || (argc > 5))
-		usage();
-	if (argc > 4) {
-		if (!strcmp(argv[4], "CURRENT")) {
-			if (stat("/", &sb)) {
-				perror("/");
-				die("Couldn't stat /");
-			}
-			major_root = major(sb.st_dev);
-			minor_root = minor(sb.st_dev);
-		} else if (strcmp(argv[4], "FLOPPY")) {
-			if (stat(argv[4], &sb)) {
-				perror(argv[4]);
-				die("Couldn't stat root device.");
-			}
-			major_root = major(sb.st_rdev);
-			minor_root = minor(sb.st_rdev);
-		} else {
-			major_root = 0;
-			minor_root = 0;
-		}
-	} else {
-		major_root = DEFAULT_MAJOR_ROOT;
-		minor_root = DEFAULT_MINOR_ROOT;
-	}
-	fprintf(stderr, "Root device is (%d, %d)\n", major_root, minor_root);
-	for (i=0;i<sizeof buf; i++) buf[i]=0;
-	if ((id=open(argv[1],O_RDONLY,0))<0)
-		die("Unable to open 'boot'");
-	if (read(id,buf,MINIX_HEADER) != MINIX_HEADER)
-		die("Unable to read header of 'boot'");
-	if (((long *) buf)[0]!=intel_long(0x04100301))
-		die("Non-Minix header of 'boot'");
-	if (((long *) buf)[1]!=intel_long(MINIX_HEADER))
-		die("Non-Minix header of 'boot'");
-	if (((long *) buf)[3] != 0)
-		die("Illegal data segment in 'boot'");
-	if (((long *) buf)[4] != 0)
-		die("Illegal bss in 'boot'");
-	if (((long *) buf)[5] != 0)
-		die("Non-Minix header of 'boot'");
-	if (((long *) buf)[7] != 0)
-		die("Illegal symbol table in 'boot'");
-	i=read(id,buf,sizeof buf);
-	fprintf(stderr,"Boot sector %d bytes.\n",i);
-	if (i != 512)
-		die("Boot block must be exactly 512 bytes");
-	if ((*(unsigned short *)(buf+510)) != (unsigned short)intel_short(0xAA55))
-		die("Boot block hasn't got boot flag (0xAA55)");
-	buf[508] = (char) minor_root;
-	buf[509] = (char) major_root;	
-	i=write(1,buf,512);
-	if (i!=512)
-		die("Write call failed");
-	close (id);
-	
-	if ((id=open(argv[2],O_RDONLY,0))<0)
-		die("Unable to open 'setup'");
-	if (read(id,buf,MINIX_HEADER) != MINIX_HEADER)
-		die("Unable to read header of 'setup'");
-	if (((long *) buf)[0]!=intel_long(0x04100301))
-		die("Non-Minix header of 'setup'");
-	if (((long *) buf)[1]!=intel_long(MINIX_HEADER))
-		die("Non-Minix header of 'setup'");
-	if (((long *) buf)[3] != 0)
-		die("Illegal data segment in 'setup'");
-	if (((long *) buf)[4] != 0)
-		die("Illegal bss in 'setup'");
-	if (((long *) buf)[5] != 0)
-		die("Non-Minix header of 'setup'");
-	if (((long *) buf)[7] != 0)
-		die("Illegal symbol table in 'setup'");
-	for (i=0 ; (c=read(id,buf,sizeof buf))>0 ; i+=c )
-#ifdef __BIG_KERNEL__
-	{
-		if (!i) {
-			/* Working with memcpy because of alignment constraints
-			   on Sparc - Gertjan */
-			memcpy(&tmp_long, &buf[2], sizeof(long));
-			if (tmp_long != intel_long(0x53726448) )
-				die("Wrong magic in loader header of 'setup'");
-			memcpy(&tmp_int, &buf[6], sizeof(int));
-			if (tmp_int < intel_int(0x200))
-				die("Wrong version of loader header of 'setup'");
-			buf[0x11] = 1; /* LOADED_HIGH */
-			tmp_long = intel_long(0x100000);
-			memcpy(&buf[0x14], &tmp_long, sizeof(long));  /* code32_start */
-		}
-#endif
-		if (write(1,buf,c)!=c)
-			die("Write call failed");
-#ifdef __BIG_KERNEL__
-	}
-#endif
-	if (c != 0)
-		die("read-error on 'setup'");
-	close (id);
-	setup_sectors = (unsigned char)((i + 511) / 512);
-	/* for compatibility with LILO */
-	if (setup_sectors < SETUP_SECTS)
-		setup_sectors = SETUP_SECTS;
-	fprintf(stderr,"Setup is %d bytes.\n",i);
-	for (c=0 ; c<sizeof(buf) ; c++)
-		buf[c] = '\0';
-	while (i < setup_sectors * 512) {
-		c = setup_sectors * 512 - i;
-		if (c > sizeof(buf))
-			c = sizeof(buf);
-		if (write(1,buf,c) != c)
-			die("Write call failed");
-		i += c;
-	}
-	
-	if ((id=open(argv[3],O_RDONLY,0))<0)
-		die("Unable to open 'system'");
-#ifndef __BFD__
-	if (read(id,buf,GCC_HEADER) != GCC_HEADER)
-		die("Unable to read header of 'system'");
-	if (N_MAGIC(*ex) == ZMAGIC) {
-		GCC_HEADER = N_MAGIC_OFFSET;
-		lseek(id, GCC_HEADER, SEEK_SET);
-	} else if (N_MAGIC(*ex) != QMAGIC)
-		die("Non-GCC header of 'system'");
-	fprintf(stderr,"System is %d kB (%d kB code, %d kB data and %d kB bss)\n",
-		(ex->a_text+ex->a_data+ex->a_bss)/1024,
-		ex->a_text /1024,
-		ex->a_data /1024,
-		ex->a_bss  /1024);
-	sz = N_SYMOFF(*ex) - GCC_HEADER + 4;
-#else
-	if (fstat (id, &sb)) {
-	  perror ("fstat");
-	  die ("Unable to stat 'system'");
-	}
-	sz = sb.st_size;
-	fprintf (stderr, "System is %d kB\n", sz/1024);
-#endif
-	sys_size = (sz + 15) / 16;
-	if (sys_size > SYS_SIZE)
-		die("System is too big");
-	while (sz > 0) {
-		int l, n;
-
-		l = sz;
-		if (l > sizeof(buf))
-			l = sizeof(buf);
-		if ((n=read(id, buf, l)) != l) {
-			if (n == -1) 
-				perror(argv[1]);
-			else
-				fprintf(stderr, "Unexpected EOF\n");
-			die("Can't read 'system'");
-		}
-		if (write(1, buf, l) != l)
-			die("Write failed");
-		sz -= l;
-	}
-	close(id);
-	if (lseek(1, 497, 0) == 497) {
-		if (write(1, &setup_sectors, 1) != 1)
-			die("Write of setup sectors failed");
-	}
-	if (lseek(1,500,0) == 500) {
-		buf[0] = (sys_size & 0xff);
-		buf[1] = ((sys_size >> 8) & 0xff);
-		if (write(1, buf, 2) != 2)
-			die("Write failed");
-	}
-	return(0);
-}
-- 
2.1.4

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