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#!/bin/rc
2 
 
3 
awk -v 'objtype='$objtype -v 'pwd='`{pwd} '
4 
BEGIN{
5 
	if(ARGC < 2)
6 
		exit
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}
8 
 
9 
/^[ \t]*$/{
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	next;
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}
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/^#/{
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	next;
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}
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collect && /^[^ \t]/{
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	collect = 0;
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}
18 
collect && section == "dev"{
19 
	dev[ndev++] = $1;
20 
	if($1 == "ad")
21 
		devad = 1;
22 
	else if($1 == "sd")
23 
		devsd = 1;
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	else if($1 == "uart")
25 
		devuart = 1;
26 
	else if($1 == "vga")
27 
		devvga = 1;
28 
	for(i = 2; i <= NF; i++){
29 
		if($i == "dma" && objtype ~ "(386|alpha|amd64)")
30 
			i8237dma++;
31 
	}
32 
}
33 
collect && section == "ip"{
34 
	ip[nip++] = $1;
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}
36 
collect && section == "link"{
37 
	link[nlink++] = $1;
38 
}
39 
collect && section == "misc"{
40 
	sub(/^[ \t]*/, "");
41 
	misc[nmisc++] = $1;
42 
	if($1 ~ "^arch.*")
43 
		arch[narch++] = $1;
44 
	else if($1 ~ "^ad.*")
45 
		adifc[nadifc++] = $1;
46 
	else if($1 ~ "^sd.*")
47 
		sdifc[nsdifc++] = $1;
48 
	else if($1 ~ "^uart.*")
49 
		physuart[nphysuart++] = substr($1, 5, length($1)-4) "physuart";
50 
	else if($1 ~ "^vga.*"){
51 
		if(NF == 1)
52 
			vgadev[nvgadev++] = $1;
53 
		else for(i = 2; i <= NF; i++){
54 
			if($i ~ "[+]cur")
55 
				vgadev[nvgadev++] = $1;
56 
			if($i ~ "[+=]cur")
57 
				vgacur[nvgacur++] = $1;
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		}
59 
	}
60 
}
61 
 
62 
collect && section == "port"{
63 
	sub(/^[ \t]*/, "");
64 
	port[nport++] = $0;
65 
}
66 
$0 ~ /^[^ \t]/{
67 
	if($1 ~ "(bootdir|dev|ip|link|misc|port)"){
68 
		section = $1;
69 
		collect = 1;
70 
	}
71 
	next;
72 
}
73 
 
74 
END{
75 
	if(ARGC < 2)
76 
		exit "usage"
77 
 
78 
	printf "#include \"u.h\"\n";
79 
	printf "#include \"../port/lib.h\"\n";
80 
	printf "#include \"mem.h\"\n";
81 
	printf "#include \"dat.h\"\n";
82 
	printf "#include \"fns.h\"\n";
83 
	printf "#include \"io.h\"\n";
84 
	printf "#include \"../port/error.h\"\n\n";
85 
 
86 
	for(i = 0; i < ndev; i++)
87 
		printf "extern Dev %sdevtab;\n", dev[i];
88 
	printf "Dev* devtab[]={\n";
89 
	for(i = 0; i < ndev; i++)
90 
		printf "\t&%sdevtab,\n", dev[i];
91 
	printf "\tnil,\n};\n\n";
92 
 
93 
	if(objtype ~ "(386|alpha|amd64)"){
94 
		alloc = "nil";
95 
		if(i8237dma){
96 
			printf "extern void _i8237alloc(void);\n";
97 
			alloc = "_i8237alloc";
98 
		}
99 
		printf "void (*i8237alloc)(void) = %s;\n", alloc;
100 
		printf "int i8237dma = %d;\n\n", i8237dma;
101 
	}
102 
 
103 
	for(i = 0; i < nlink; i++)
104 
		printf "extern void %slink(void);\n", link[i];
105 
 
106 
	printf "void links(void){\n";
107 
	print "\tbootlinks();\n";
108 
	for(i = 0; i < nlink; i++)
109 
		printf "\t%slink();\n", link[i];
110 
	printf "}\n\n";
111 
 
112 
	if(narch || objtype == "386"){
113 
		for(i = 0; i < narch; i++)
114 
			printf "extern PCArch %s;\n", arch[i];
115 
		printf "PCArch* knownarch[] = {\n";
116 
		for(i = 0; i < narch; i++)
117 
			printf "\t&%s,\n", arch[i];
118 
		printf "\tnil,\n};\n\n";
119 
	}
120 
 
121 
	if(devad){
122 
		printf "#include \"../port/ad.h\"\n";
123 
		for(i = 0; i < nadifc; i++)
124 
			printf "extern ADifc %sifc;\n", adifc[i];
125 
		printf "ADifc* adifc[] = {\n";
126 
	  	for(i = 0; i < nadifc; i++)
127 
			printf "\t&%sifc,\n", adifc[i];
128 
	  	printf "\tnil,\n};\n\n";
129 
	}
130 
	if(devsd){
131 
		printf "#include \"../port/sd.h\"\n";
132 
		for(i = 0; i < nsdifc; i++)
133 
			printf "extern SDifc %sifc;\n", sdifc[i];
134 
		printf "SDifc* sdifc[] = {\n";
135 
	  	for(i = 0; i < nsdifc; i++)
136 
			printf "\t&%sifc,\n", sdifc[i];
137 
	  	printf "\tnil,\n};\n\n";
138 
	}
139 
 
140 
	if(devuart){
141 
		for(i = 0; i < nphysuart; i++)
142 
			printf "extern PhysUart %s;\n", physuart[i];
143 
		printf "PhysUart* physuart[] = {\n";
144 
	  	for(i = 0; i < nphysuart; i++)
145 
			printf "\t&%s,\n", physuart[i];
146 
	  	printf "\tnil,\n};\n\n";
147 
	}
148 
 
149 
	if(devvga){
150 
		printf "#define	Image	IMAGE\n";
151 
		printf "#include <draw.h>\n";
152 
		printf "#include <memdraw.h>\n";
153 
		printf "#include <cursor.h>\n";
154 
		printf "#include \"screen.h\"\n";
155 
 
156 
		for(i = 0; i < nvgadev; i++)
157 
			printf "extern VGAdev %sdev;\n", vgadev[i];
158 
	  	printf "VGAdev* vgadev[] = {\n";
159 
	  	for(i = 0; i < nvgadev; i++)
160 
			printf "\t&%sdev,\n", vgadev[i];
161 
	  	printf "\tnil,\n};\n\n";
162 
 
163 
		for(i = 0; i < nvgacur; i++)
164 
			printf "extern VGAcur %scur;\n", vgacur[i];
165 
	  	printf "VGAcur* vgacur[] = {\n";
166 
	  	for(i = 0; i < nvgacur; i++)
167 
			printf "\t&%scur,\n", vgacur[i];
168 
	  	printf "\tnil,\n};\n\n";
169 
	}
170 
 
171 
	if(nip){
172 
		printf "#include \"../ip/ip.h\"\n";
173 
		for(i = 0; i < nip; i++)
174 
			printf "extern void %sinit(Fs*);\n", ip[i];
175 
		printf "void (*ipprotoinit[])(Fs*) = {\n";
176 
		for(i = 0; i < nip; i++)
177 
			printf "\t%sinit,\n", ip[i];
178 
		printf "\tnil,\n};\n\n";
179 
	}
180 
 
181 
	if(nport){
182 
		for(i = 0; i < nport; i++)
183 
			printf "%s\n", port[i];
184 
		printf "\n";
185 
	}
186 
 
187 
	printf "char* conffile = \"%s/%s\";\n", pwd, ARGV[1];
188 
	printf "ulong kerndate = KERNDATE;\n";
189 
 
190 
	exit
191 
}' $*