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Add a "write Bootcode" option to the Fdisk editor.

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unzip sysinstall on the way to the hd.
This commit is contained in:
Poul-Henning Kamp 1994-11-18 11:30:04 +00:00
parent e0985944c1
commit f1dd848016
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=4625
3 changed files with 73 additions and 3 deletions
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7
sbin/sysinstall/exec.c
View File

@ -6,7 +6,7 @@
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* $Id: exec.c,v 1.6 1994/11/08 14:04:16 jkh Exp $
* $Id: exec.c,v 1.7 1994/11/08 18:44:13 jkh Exp $
*
*/
@ -65,6 +65,11 @@ exec(int magic, char *cmd, char *args, ...)
case 2:
case 3:
close(debug_fd);
break;
case 4:
close(0) ; open("/stand/sysinstall",O_RDONLY);
close(1) ; open("/mnt/stand/sysinstall",
O_WRONLY|O_CREAT|O_TRUNC,0755);
default:
break;
}

62
sbin/sysinstall/mbr.c
View File

@ -33,6 +33,40 @@ extern struct mbr *mbr;
extern int inst_part;
extern int whole_disk;
static unsigned char bootcode[] = {
0x33, 0xc0, 0xfa, 0x8e, 0xd0, 0xbc, 0x00, 0x7c, 0x8e, 0xc0, 0x8e, 0xd8, 0xfb, 0x8b, 0xf4, 0xbf,
0x00, 0x06, 0xb9, 0x00, 0x02, 0xfc, 0xf3, 0xa4, 0xea, 0x1d, 0x06, 0x00, 0x00, 0xb0, 0x04, 0xbe,
0xbe, 0x07, 0x80, 0x3c, 0x80, 0x74, 0x0c, 0x83, 0xc6, 0x10, 0xfe, 0xc8, 0x75, 0xf4, 0xbe, 0xbd,
0x06, 0xeb, 0x43, 0x8b, 0xfe, 0x8b, 0x14, 0x8b, 0x4c, 0x02, 0x83, 0xc6, 0x10, 0xfe, 0xc8, 0x74,
0x0a, 0x80, 0x3c, 0x80, 0x75, 0xf4, 0xbe, 0xbd, 0x06, 0xeb, 0x2b, 0xbd, 0x05, 0x00, 0xbb, 0x00,
0x7c, 0xb8, 0x01, 0x02, 0xcd, 0x13, 0x73, 0x0c, 0x33, 0xc0, 0xcd, 0x13, 0x4d, 0x75, 0xef, 0xbe,
0x9e, 0x06, 0xeb, 0x12, 0x81, 0x3e, 0xfe, 0x7d, 0x55, 0xaa, 0x75, 0x07, 0x8b, 0xf7, 0xea, 0x00,
0x7c, 0x00, 0x00, 0xbe, 0x85, 0x06, 0x2e, 0xac, 0x0a, 0xc0, 0x74, 0x06, 0xb4, 0x0e, 0xcd, 0x10,
0xeb, 0xf4, 0xfb, 0xeb, 0xfe,
'M', 'i', 's', 's', 'i', 'n', 'g', ' ',
'o', 'p', 'e', 'r', 'a', 't', 'i', 'n', 'g', ' ', 's', 'y', 's', 't', 'e', 'm', 0,
'E', 'r', 'r', 'o', 'r', ' ', 'l', 'o', 'a', 'd', 'i', 'n', 'g', ' ',
'o', 'p', 'e', 'r', 'a', 't', 'i', 'n', 'g', ' ', 's', 'y', 's', 't', 'e', 'm', 0,
'I', 'n', 'v', 'a', 'l', 'i', 'd', ' ',
'p', 'a', 'r', 't', 'i', 't', 'i', 'o', 'n', ' ', 't', 'a', 'b', 'l', 'e', 0,
'A', 'u', 't', 'h', 'o', 'r', ' ', '-', ' ',
'S', 'i', 'e', 'g', 'm', 'a', 'r', ' ', 'S', 'c', 'h', 'm', 'i', 'd', 't', 0,0,0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
struct part_type part_types[] = PARTITION_TYPES
char *
@ -84,6 +118,27 @@ write_dospart(int fd, struct dos_partition *dp)
disable_label(fd);
}
void
write_bootcode(int fd)
{
u_char buf[512];
if (lseek(fd, 0, SEEK_SET) == -1)
AskAbort("Couldn't seek for master boot record read\n");
if (read(fd, buf, 512) != 512) {
AskAbort("Failed to read master boot record\n");
}
memcpy(buf, bootcode, DOSPARTOFF);
buf[510] = 0x55;
buf[511] = 0xaa;
if (lseek(fd, 0, SEEK_SET) == -1)
AskAbort("Couldn't seek for master boot record write\n");
enable_label(fd);
if (write(fd, buf, 512) != 512)
AskAbort("Failed to write master boot record\n");
disable_label(fd);
}
int
read_mbr(int fd, struct mbr *mbr)
{
@ -327,7 +382,7 @@ Fdisk()
}
}
mvprintw(21, 0, "Commands available:");
mvprintw(22, 0, "(H)elp (D)elete (E)dit (R)eread (W)rite (Q)uit");
mvprintw(22, 0, "(H)elp (D)elete (E)dit (R)eread Write (B)ootcode (W)rite (Q)uit");
mvprintw(23, 0, "Enter Command> ");
i=getch();
switch(i) {
@ -340,6 +395,10 @@ Fdisk()
read_dospart(Dfd[diskno], dp);
break;
case 'b': case 'B':
write_bootcode(Dfd[diskno]);
break;
case 'e': case 'E':
*buf = 0;
i = AskEm(stdscr, "Edit which Slice> ", buf, 2);
@ -470,3 +529,4 @@ Fdisk()
}
}
}

7
sbin/sysinstall/stage2.c
View File

@ -6,7 +6,7 @@
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* $Id: stage2.c,v 1.14 1994/11/11 07:58:08 jkh Exp $
* $Id: stage2.c,v 1.15 1994/11/17 19:44:53 ache Exp $
*
*/
@ -82,8 +82,13 @@ stage2()
Mkdir("/mnt/mnt");
Mkdir("/mnt/stand");
TellEm("unzipping /stand/sysinstall onto hard disk");
exec(4, "/stand/gzip", "zcat", 0 );
/*
CopyFile("/stand/sysinstall","/mnt/stand/sysinstall");
*/
Link("/mnt/stand/sysinstall","/mnt/stand/cpio");
Link("/mnt/stand/sysinstall","/mnt/stand/bad144");
Link("/mnt/stand/sysinstall","/mnt/stand/gunzip");
Link("/mnt/stand/sysinstall","/mnt/stand/gzip");
Link("/mnt/stand/sysinstall","/mnt/stand/zcat");