Subversion Repositories planix.SVN

Rev

Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
2 - 1 
#!/bin/rc
2 
#
3 
#  this file configures a boot program (/boot) for a kernel.
4 
#
5 
if(! ~ $#* 1){
6 
	echo usage: mkboot file >[1=2]
7 
	exit 1
8 
}
9 
 
10 
cat <<'---'
11 
#include <u.h>
12 
#include <libc.h>
13 
#include "../boot/boot.h"
14 
 
15 
Method	method[]={
16 
---
17 
 
18 
#
19 
#  configure all remote methods, i.e. all methods in the 'boot' section
20 
#
21 
#  EXAMPLE
22 
#	boot
23 
#		incon
24 
#		9600
25 
#		19200
26 
#
27 
../port/mkextract boot 0 $* | awk '{
28 
	printf "	{ \""  "" $1 "\", "\
29 
	"config" $1 ", "\
30 
	"connect" $1 ", "
31 
	print fieldn(2) " },"
32 
	}
33 
 
34 
	func fieldn(n,	s,i)
35 
	{
36 
		s = $0
37 
		while (n > 1) {
38 
			sub(/^[ \t]*/, "", s)
39 
			if (substr(s, 1, 1) == "\"") {
40 
				sub(/^"[^\"]*"/, "", s)
41 
			} else {
42 
				sub(/^[^ \t]*/, "", s)
43 
			}
44 
			n--
45 
		}
46 
		sub(/^[ \t]*/, "", s)
47 
		if (substr(s, 1, 1) == "\"") {
48 
			i = index(substr(s, 2), "\"")
49 
			if (i > 0)
50 
				return substr(s, 1, i+1)
51 
			else
52 
				return s
53 
		} else {
54 
			sub(/[ \t].*/, "", s)
55 
			return s
56 
		}
57 
	}'
58 
 
59 
cat <<'---'
60 
	{ 0 },
61 
};
62 
---
63 
 
64 
awk '
65 
	BEGIN	{ cpuflag = 0; bootprog = "boot"; bootdisk = "#S/sdC0/"; rootdir = "/root"; }
66 
	$0 ~ "^boot" && $2=="cpu"\
67 
		{ cpuflag = 1
68 
		  if(NF == 4 && $3 == "boot")
69 
			bootdisk = $4
70 
		}
71 
	$0 ~ "^boot" && $2=="rootdir" && NF==3\
72 
		{ rootdir = $3 }
73 
	$0 ~ "^boot" && ($2=="bboot" || $2=="romboot" || $2=="dosboot")\
74 
		{ cpuflag = 1;  bootprog = $2; }
75 
	$0 ~ "^boot" && $2=="boot" && NF==3\
76 
		{ bootdisk = $3 }
77 
	END 	{ print "int cpuflag = " cpuflag ";"
78 
		  print "char* rootdir = \"" rootdir "\";"
79 
		  print "char* bootdisk = \"" bootdisk "\";"
80 
		  print "extern void " bootprog "(int, char**);"
81 
		  print "void"
82 
		  print "main(int argc, char **argv)"
83 
		  print "{"
84 
		  print "\t" bootprog "(argc, argv);"
85 
		  print "}"
86 
		}
87 
' $1
88 
 
89 
#
90 
#  configure in a cache file system if a
91 
# /386/bin/root appears in the bootdir section.
92 
#
93 
../port/mkextract bootdir 0 $* | awk '
94 
	BEGIN			{ cfs = 0 }
95 
	$1 ~ "bin/cfs$"	{ cfs = 1 }
96 
	END			{ if(cfs)
97 
					print "int (*cfs)(int) = cache;"
98 
				  else
99 
					print "int (*cfs)(int) = 0;"
100 
				}
101 
	'