1 files changed, 287 insertions, 0 deletions
diff --git a/arch/cris/boot/tools/build.c b/arch/cris/boot/tools/build.c
new file mode 100644
index 000000000000..c8adef364160
--- /dev/null
+++ b/arch/cris/boot/tools/build.c
@@ -0,0 +1,287 @@
+/*
+ *  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);
+}

diff --git a/arch/cris/boot/tools/build.c b/arch/cris/boot/tools/build.c new file mode 100644 index 000000000000..c8adef364160 --- /dev/null +++ b/arch/cris/boot/tools/build.c
@@ -0,0 +1,287 @@
	1	/*
	2	* linux/tools/build.c
	3	*
	4	* Copyright (C) 1991, 1992 Linus Torvalds
	5	*/
	6
	7	/*
	8	* This file builds a disk-image from three different files:
	9	*
	10	* - bootsect: exactly 512 bytes of 8086 machine code, loads the rest
	11	* - setup: 8086 machine code, sets up system parm
	12	* - system: 80386 code for actual system
	13	*
	14	* It does some checking that all files are of the correct type, and
	15	* just writes the result to stdout, removing headers and padding to
	16	* the right amount. It also writes some system data to stderr.
	17	*/
	18
	19	/*
	20	* Changes by tytso to allow root device specification
	21	* High loaded stuff by Hans Lermen & Werner Almesberger, Feb. 1996
	22	* Cross compiling fixes by Gertjan van Wingerde, July 1996
	23	*/
	24
	25	#include <stdio.h> /* fprintf */
	26	#include <string.h>
	27	#include <stdlib.h> /* contains exit */
	28	#include <sys/types.h> /* unistd.h needs this */
	29	#include <sys/stat.h>
	30	#include <sys/sysmacros.h>
	31	#include <unistd.h> /* contains read/write */
	32	#include <fcntl.h>
	33	#include <errno.h>
	34
	35	#define MINIX_HEADER 32
	36
	37	#define N_MAGIC_OFFSET 1024
	38	#ifndef __BFD__
	39	static int GCC_HEADER = sizeof(struct exec);
	40	#endif
	41
	42	#ifdef __BIG_KERNEL__
	43	#define SYS_SIZE 0xffff
	44	#else
	45	#define SYS_SIZE DEF_SYSSIZE
	46	#endif
	47
	48	#define DEFAULT_MAJOR_ROOT 0
	49	#define DEFAULT_MINOR_ROOT 0
	50
	51	/* max nr of sectors of setup: don't change unless you also change
	52	* bootsect etc */
	53	#define SETUP_SECTS 4
	54
	55	#define STRINGIFY(x) #x
	56
	57	typedef union {
	58	int i;
	59	long l;
	60	short s[2];
	61	char b[4];
	62	} conv;
	63
	64	long intel_long(long l)
	65	{
	66	conv t;
	67
	68	t.b[0] = l & 0xff; l >>= 8;
	69	t.b[1] = l & 0xff; l >>= 8;
	70	t.b[2] = l & 0xff; l >>= 8;
	71	t.b[3] = l & 0xff; l >>= 8;
	72	return t.l;
	73	}
	74
	75	int intel_int(int i)
	76	{
	77	conv t;
	78
	79	t.b[0] = i & 0xff; i >>= 8;
	80	t.b[1] = i & 0xff; i >>= 8;
	81	t.b[2] = i & 0xff; i >>= 8;
	82	t.b[3] = i & 0xff; i >>= 8;
	83	return t.i;
	84	}
	85
	86	short intel_short(short l)
	87	{
	88	conv t;
	89
	90	t.b[0] = l & 0xff; l >>= 8;
	91	t.b[1] = l & 0xff; l >>= 8;
	92	return t.s[0];
	93	}
	94
	95	void die(const char * str)
	96	{
	97	fprintf(stderr,"%s\n",str);
	98	exit(1);
	99	}
	100
	101	void usage(void)
	102	{
	103	die("Usage: build bootsect setup system [rootdev] [> image]");
	104	}
	105
	106	int main(int argc, char ** argv)
	107	{
	108	int i,c,id,sz,tmp_int;
	109	unsigned long sys_size, tmp_long;
	110	char buf[1024];
	111	#ifndef __BFD__
	112	struct exec ex = (struct exec )buf;
	113	#endif
	114	char major_root, minor_root;
	115	struct stat sb;
	116	unsigned char setup_sectors;
	117
	118	if ((argc < 4) \|\| (argc > 5))
	119	usage();
	120	if (argc > 4) {
	121	if (!strcmp(argv[4], "CURRENT")) {
	122	if (stat("/", &sb)) {
	123	perror("/");
	124	die("Couldn't stat /");
	125	}
	126	major_root = major(sb.st_dev);
	127	minor_root = minor(sb.st_dev);
	128	} else if (strcmp(argv[4], "FLOPPY")) {
	129	if (stat(argv[4], &sb)) {
	130	perror(argv[4]);
	131	die("Couldn't stat root device.");
	132	}
	133	major_root = major(sb.st_rdev);
	134	minor_root = minor(sb.st_rdev);
	135	} else {
	136	major_root = 0;
	137	minor_root = 0;
	138	}
	139	} else {
	140	major_root = DEFAULT_MAJOR_ROOT;
	141	minor_root = DEFAULT_MINOR_ROOT;
	142	}
	143	fprintf(stderr, "Root device is (%d, %d)\n", major_root, minor_root);
	144	for (i=0;i<sizeof buf; i++) buf[i]=0;
	145	if ((id=open(argv[1],O_RDONLY,0))<0)
	146	die("Unable to open 'boot'");
	147	if (read(id,buf,MINIX_HEADER) != MINIX_HEADER)
	148	die("Unable to read header of 'boot'");
	149	if (((long *) buf)[0]!=intel_long(0x04100301))
	150	die("Non-Minix header of 'boot'");
	151	if (((long *) buf)[1]!=intel_long(MINIX_HEADER))
	152	die("Non-Minix header of 'boot'");
	153	if (((long *) buf)[3] != 0)
	154	die("Illegal data segment in 'boot'");
	155	if (((long *) buf)[4] != 0)
	156	die("Illegal bss in 'boot'");
	157	if (((long *) buf)[5] != 0)
	158	die("Non-Minix header of 'boot'");
	159	if (((long *) buf)[7] != 0)
	160	die("Illegal symbol table in 'boot'");
	161	i=read(id,buf,sizeof buf);
	162	fprintf(stderr,"Boot sector %d bytes.\n",i);
	163	if (i != 512)
	164	die("Boot block must be exactly 512 bytes");
	165	if (((unsigned short )(buf+510)) != (unsigned short)intel_short(0xAA55))
	166	die("Boot block hasn't got boot flag (0xAA55)");
	167	buf[508] = (char) minor_root;
	168	buf[509] = (char) major_root;
	169	i=write(1,buf,512);
	170	if (i!=512)
	171	die("Write call failed");
	172	close (id);
	173
	174	if ((id=open(argv[2],O_RDONLY,0))<0)
	175	die("Unable to open 'setup'");
	176	if (read(id,buf,MINIX_HEADER) != MINIX_HEADER)
	177	die("Unable to read header of 'setup'");
	178	if (((long *) buf)[0]!=intel_long(0x04100301))
	179	die("Non-Minix header of 'setup'");
	180	if (((long *) buf)[1]!=intel_long(MINIX_HEADER))
	181	die("Non-Minix header of 'setup'");
	182	if (((long *) buf)[3] != 0)
	183	die("Illegal data segment in 'setup'");
	184	if (((long *) buf)[4] != 0)
	185	die("Illegal bss in 'setup'");
	186	if (((long *) buf)[5] != 0)
	187	die("Non-Minix header of 'setup'");
	188	if (((long *) buf)[7] != 0)
	189	die("Illegal symbol table in 'setup'");
	190	for (i=0 ; (c=read(id,buf,sizeof buf))>0 ; i+=c )
	191	#ifdef __BIG_KERNEL__
	192	{
	193	if (!i) {
	194	/* Working with memcpy because of alignment constraints
	195	on Sparc - Gertjan */
	196	memcpy(&tmp_long, &buf[2], sizeof(long));
	197	if (tmp_long != intel_long(0x53726448) )
	198	die("Wrong magic in loader header of 'setup'");
	199	memcpy(&tmp_int, &buf[6], sizeof(int));
	200	if (tmp_int < intel_int(0x200))
	201	die("Wrong version of loader header of 'setup'");
	202	buf[0x11] = 1; /* LOADED_HIGH */
	203	tmp_long = intel_long(0x100000);
	204	memcpy(&buf[0x14], &tmp_long, sizeof(long)); /* code32_start */
	205	}
	206	#endif
	207	if (write(1,buf,c)!=c)
	208	die("Write call failed");
	209	#ifdef __BIG_KERNEL__
	210	}
	211	#endif
	212	if (c != 0)
	213	die("read-error on 'setup'");
	214	close (id);
	215	setup_sectors = (unsigned char)((i + 511) / 512);
	216	/* for compatibility with LILO */
	217	if (setup_sectors < SETUP_SECTS)
	218	setup_sectors = SETUP_SECTS;
	219	fprintf(stderr,"Setup is %d bytes.\n",i);
	220	for (c=0 ; c<sizeof(buf) ; c++)
	221	buf[c] = '\0';
	222	while (i < setup_sectors * 512) {
	223	c = setup_sectors * 512 - i;
	224	if (c > sizeof(buf))
	225	c = sizeof(buf);
	226	if (write(1,buf,c) != c)
	227	die("Write call failed");
	228	i += c;
	229	}
	230
	231	if ((id=open(argv[3],O_RDONLY,0))<0)
	232	die("Unable to open 'system'");
	233	#ifndef __BFD__
	234	if (read(id,buf,GCC_HEADER) != GCC_HEADER)
	235	die("Unable to read header of 'system'");
	236	if (N_MAGIC(*ex) == ZMAGIC) {
	237	GCC_HEADER = N_MAGIC_OFFSET;
	238	lseek(id, GCC_HEADER, SEEK_SET);
	239	} else if (N_MAGIC(*ex) != QMAGIC)
	240	die("Non-GCC header of 'system'");
	241	fprintf(stderr,"System is %d kB (%d kB code, %d kB data and %d kB bss)\n",
	242	(ex->a_text+ex->a_data+ex->a_bss)/1024,
	243	ex->a_text /1024,
	244	ex->a_data /1024,
	245	ex->a_bss /1024);
	246	sz = N_SYMOFF(*ex) - GCC_HEADER + 4;
	247	#else
	248	if (fstat (id, &sb)) {
	249	perror ("fstat");
	250	die ("Unable to stat 'system'");
	251	}
	252	sz = sb.st_size;
	253	fprintf (stderr, "System is %d kB\n", sz/1024);
	254	#endif
	255	sys_size = (sz + 15) / 16;
	256	if (sys_size > SYS_SIZE)
	257	die("System is too big");
	258	while (sz > 0) {
	259	int l, n;
	260
	261	l = sz;
	262	if (l > sizeof(buf))
	263	l = sizeof(buf);
	264	if ((n=read(id, buf, l)) != l) {
	265	if (n == -1)
	266	perror(argv[1]);
	267	else
	268	fprintf(stderr, "Unexpected EOF\n");
	269	die("Can't read 'system'");
	270	}
	271	if (write(1, buf, l) != l)
	272	die("Write failed");
	273	sz -= l;
	274	}
	275	close(id);
	276	if (lseek(1, 497, 0) == 497) {
	277	if (write(1, &setup_sectors, 1) != 1)
	278	die("Write of setup sectors failed");
	279	}
	280	if (lseek(1,500,0) == 500) {
	281	buf[0] = (sys_size & 0xff);
	282	buf[1] = ((sys_size >> 8) & 0xff);
	283	if (write(1, buf, 2) != 2)
	284	die("Write failed");
	285	}
	286	return(0);
	287	}