1#!/bin/rc 2 3awk -v 'objtype='$objtype ' 4BEGIN{ 5 if(ARGC < 2) 6 exit 7} 8 9/^$/{ 10 next; 11} 12/^#/{ 13 next; 14} 15collect && /^[^ \t]/{ 16 collect = 0; 17} 18collect && section ~ "dev"{ 19 dev[ndev++] = $1; 20 if($1 ~ "ad") 21 devad = 1; 22 else if($1 ~ "sd") 23 devsd = 1; 24 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} 33collect && section ~ "ip"{ 34 ip[nip++] = $1; 35} 36collect && section ~ "link"{ 37 link[nlink++] = $1; 38} 39collect && section ~ "misc"{ 40 misc[nmisc++] = $1; 41 if($1 ~ "^arch.*") 42 arch[narch++] = $1; 43 else if($1 ~ "^ad.*") 44 adifc[nadifc++] = $1; 45 else if($1 ~ "^sd.*") 46 sdifc[nsdifc++] = $1; 47 else if($1 ~ "^uart.*") 48 physuart[nphysuart++] = substr($1, 5, length($1)-4) "physuart"; 49 else if($1 ~ "^vga.*"){ 50 if(NF == 1) 51 vgadev[nvgadev++] = $1; 52 else for(i = 2; i <= NF; i++){ 53 if($i ~ "[+]cur") 54 vgadev[nvgadev++] = $1; 55 if($i ~ "[+=]cur") 56 vgacur[nvgacur++] = $1; 57 } 58 } 59} 60 61collect && section ~ "port"{ 62 port[nport++] = $0; 63} 64$0 ~ /^[^ \t]/{ 65 if($0 ~ "(bootdir|dev|ip|link|misc|port)"){ 66 section = $0; 67 collect = 1; 68 } 69 next; 70} 71 72END{ 73 if(ARGC < 2) 74 exit "usage" 75 76 printf "#include \"u.h\"\n"; 77 printf "#include \"../port/lib.h\"\n"; 78 printf "#include \"mem.h\"\n"; 79 printf "#include \"dat.h\"\n"; 80 printf "#include \"fns.h\"\n"; 81 printf "#include \"io.h\"\n"; 82 printf "#include \"../port/error.h\"\n\n"; 83 84 for(i = 0; i < ndev; i++) 85 printf "extern Dev %sdevtab;\n", dev[i]; 86 printf "Dev* devtab[]={\n"; 87 for(i = 0; i < ndev; i++) 88 printf "\t&%sdevtab,\n", dev[i]; 89 printf "\tnil,\n};\n\n"; 90 91 if(objtype ~ "(386|alpha|amd64)"){ 92 alloc = "nil"; 93 if(i8237dma){ 94 printf "extern void _i8237alloc(void);\n"; 95 alloc = "_i8237alloc"; 96 } 97 printf "void (*i8237alloc)(void) = %s;\n", alloc; 98 printf "int i8237dma = %d;\n\n", i8237dma; 99 } 100 101 for(i = 0; i < nlink; i++) 102 printf "extern void %slink(void);\n", link[i]; 103 104 printf "void links(void){\n"; 105 print "\tbootlinks();\n"; 106 for(i = 0; i < nlink; i++) 107 printf "\t%slink();\n", link[i]; 108 printf "}\n\n"; 109 110 if(narch || objtype ~ "386"){ 111 for(i = 0; i < narch; i++) 112 printf "extern PCArch %s;\n", arch[i]; 113 printf "PCArch* knownarch[] = {\n"; 114 for(i = 0; i < narch; i++) 115 printf "\t&%s,\n", arch[i]; 116 printf "\tnil,\n};\n\n"; 117 } 118 119 if(devad){ 120 printf "#include \"../port/ad.h\"\n"; 121 for(i = 0; i < nadifc; i++) 122 printf "extern ADifc %sifc;\n", adifc[i]; 123 printf "ADifc* adifc[] = {\n"; 124 for(i = 0; i < nadifc; i++) 125 printf "\t&%sifc,\n", adifc[i]; 126 printf "\tnil,\n};\n\n"; 127 } 128 if(devsd){ 129 printf "#include \"../port/sd.h\"\n"; 130 for(i = 0; i < nsdifc; i++) 131 printf "extern SDifc %sifc;\n", sdifc[i]; 132 printf "SDifc* sdifc[] = {\n"; 133 for(i = 0; i < nsdifc; i++) 134 printf "\t&%sifc,\n", sdifc[i]; 135 printf "\tnil,\n};\n\n"; 136 } 137 138 if(devuart){ 139 for(i = 0; i < nphysuart; i++) 140 printf "extern PhysUart %s;\n", physuart[i]; 141 printf "PhysUart* physuart[] = {\n"; 142 for(i = 0; i < nphysuart; i++) 143 printf "\t&%s,\n", physuart[i]; 144 printf "\tnil,\n};\n\n"; 145 } 146 147 if(devvga){ 148 printf "#define Image IMAGE\n"; 149 printf "#include <draw.h>\n"; 150 printf "#include <memdraw.h>\n"; 151 printf "#include <cursor.h>\n"; 152 printf "#include \"screen.h\"\n"; 153 154 for(i = 0; i < nvgadev; i++) 155 printf "extern VGAdev %sdev;\n", vgadev[i]; 156 printf "VGAdev* vgadev[] = {\n"; 157 for(i = 0; i < nvgadev; i++) 158 printf "\t&%sdev,\n", vgadev[i]; 159 printf "\tnil,\n};\n\n"; 160 161 for(i = 0; i < nvgacur; i++) 162 printf "extern VGAcur %scur;\n", vgacur[i]; 163 printf "VGAcur* vgacur[] = {\n"; 164 for(i = 0; i < nvgacur; i++) 165 printf "\t&%scur,\n", vgacur[i]; 166 printf "\tnil,\n};\n\n"; 167 } 168 169 if(nip){ 170 printf "#include \"../ip/ip.h\"\n"; 171 for(i = 0; i < nip; i++) 172 printf "extern void %sinit(Fs*);\n", ip[i]; 173 printf "void (*ipprotoinit[])(Fs*) = {\n"; 174 for(i = 0; i < nip; i++) 175 printf "\t%sinit,\n", ip[i]; 176 printf "\tnil,\n};\n\n"; 177 } 178 179 for(i = 0; i < nport; i++) 180 printf "%s\n", port[i]; 181 182 printf "char* conffile = \"%s\";\n", ARGV[1]; 183 printf "ulong kerndate = KERNDATE;\n"; 184 185 exit 186}' $* 187