[5d18fb0] | 1 | /* |
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| 2 | * Simplyfied version of original bin2boot |
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| 3 | */ |
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[5184958] | 4 | |
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| 5 | #include <stdio.h> |
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| 6 | #include <stdlib.h> |
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[1792c7a] | 7 | #include <stdint.h> |
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| 8 | #include <inttypes.h> |
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[5d18fb0] | 9 | #include <unistd.h> |
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[6b20f44] | 10 | #include <string.h> |
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[5184958] | 11 | |
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[5d18fb0] | 12 | static unsigned char buf[512]; |
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| 13 | |
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| 14 | static void usage(void) |
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| 15 | { |
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| 16 | printf("usage: bin2boot [-h][-v] <outFile> <headerAddr> \n"); |
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| 17 | printf("<imFile1> <imAddr1> <imSize1> [<imFile2> <imAddr2> <imSize2>]\n"); |
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| 18 | printf("this function makes image bootable by netboot\n"); |
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| 19 | printf("from one or two binary images\n"); |
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| 20 | printf("-h - prints this message\n"); |
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| 21 | printf("-v - verbose output\n"); |
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| 22 | printf("outFile - output file\n"); |
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| 23 | printf("headerAddr - address to place header in memory\n"); |
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| 24 | printf(" it should be below or equal 0x97e00\n"); |
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| 25 | printf("imFile1 - first image\n"); |
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| 26 | printf("imAddr1 - its start address, image has to be placed whole\n"); |
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| 27 | printf(" below 0x98000 and should not overlap with header\n"); |
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| 28 | printf("imSize1 - actual size of compressed image, 0 for uncompressed\n"); |
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| 29 | printf("imFile2 - second image\n"); |
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| 30 | printf("imAddr2 - its start address\n"); |
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| 31 | printf("imSize2 - actual size of compressed image, 0 for uncompressed\n"); |
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| 32 | |
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| 33 | return; |
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| 34 | } |
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[5184958] | 35 | |
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| 36 | int main(int argc, char* argv[]) |
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| 37 | { |
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[5d18fb0] | 38 | int c, verbose; |
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| 39 | extern int optind; |
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| 40 | FILE *ofp, *ifp; |
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[1792c7a] | 41 | uintptr_t headerAddr, addr1, addr2; |
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[5d18fb0] | 42 | int size1, size2, len1, len2, len, imageCnt, cnt; |
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| 43 | char *ofile, *ifile, *end; |
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[6128a4a] | 44 | |
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[fe80163] | 45 | len2 = 0; /* avoid warning */ |
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| 46 | size2 = 0; /* avoid warning */ |
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| 47 | addr2 = 0; /* avoid warning */ |
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[5d18fb0] | 48 | verbose = 0; |
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[5184958] | 49 | |
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[5d18fb0] | 50 | /* parse command line options */ |
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| 51 | while ((c = getopt(argc, argv, "hv")) >= 0) |
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| 52 | { |
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| 53 | switch (c) |
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| 54 | { |
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| 55 | case 'v': |
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| 56 | verbose = 1; |
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| 57 | break; |
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| 58 | case 'h': |
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| 59 | usage(); |
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| 60 | return 0; |
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| 61 | default: |
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| 62 | usage(); |
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| 63 | return 1; |
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| 64 | } |
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| 65 | } |
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[6128a4a] | 66 | |
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[5d18fb0] | 67 | if((argc - optind) != 8 && (argc - optind) != 5) |
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| 68 | { |
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| 69 | usage(); |
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| 70 | return 1; |
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| 71 | } |
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[6128a4a] | 72 | |
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[5d18fb0] | 73 | ofile = argv[optind]; |
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[aec5da4] | 74 | ofp = fopen(ofile, "wb"); |
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[5d18fb0] | 75 | if(ofp == NULL) |
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| 76 | { |
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| 77 | fprintf(stderr, "unable to open file %s\n", ofile); |
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| 78 | return 1; |
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| 79 | } |
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[6128a4a] | 80 | |
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| 81 | /* |
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| 82 | * Layout is very simple first 512 is header shared by all |
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[5d18fb0] | 83 | * images, then images at 512 bytes border |
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| 84 | */ |
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[6128a4a] | 85 | |
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[5d18fb0] | 86 | /* Fill buffer with 0's */ |
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| 87 | memset(buf, 0, sizeof(buf)); |
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[6128a4a] | 88 | |
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[5d18fb0] | 89 | fwrite(buf, 1, sizeof(buf), ofp); |
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[5184958] | 90 | |
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[5d18fb0] | 91 | optind++; |
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| 92 | headerAddr = strtoul(argv[optind], &end, 0); |
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| 93 | if(end == argv[optind]) |
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| 94 | { |
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| 95 | fprintf(stderr, "bad headerAddr %s\n", argv[optind]); |
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| 96 | fclose(ofp); |
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| 97 | return 1; |
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| 98 | } |
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| 99 | |
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| 100 | if(headerAddr > 0x97e00) |
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| 101 | { |
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| 102 | fprintf(stderr, "headerAddr is too high 0x%08lx\n", headerAddr); |
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| 103 | fclose(ofp); |
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| 104 | return 1; |
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| 105 | } |
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[6128a4a] | 106 | |
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[5d18fb0] | 107 | /* Copy the first image */ |
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| 108 | optind++; |
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| 109 | ifile = argv[optind]; |
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[aec5da4] | 110 | ifp = fopen(ifile,"rb"); |
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[5d18fb0] | 111 | if(ifp == NULL) |
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| 112 | { |
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| 113 | fprintf(stderr, "unable to open output file %s\n", ifile); |
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| 114 | fclose(ofp); |
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| 115 | return 1; |
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| 116 | } |
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| 117 | |
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| 118 | optind++; |
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| 119 | addr1 = strtoul(argv[optind], &end, 0); |
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| 120 | if(end == argv[optind]) |
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| 121 | { |
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| 122 | fprintf(stderr, "bad image address %s\n", argv[optind]); |
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| 123 | fclose(ofp); |
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| 124 | return 1; |
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| 125 | } |
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| 126 | |
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| 127 | optind++; |
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| 128 | size1 = strtoul(argv[optind], &end, 0); |
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| 129 | if(end == argv[optind]) |
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| 130 | { |
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| 131 | fprintf(stderr, "bad image size %s\n", argv[optind]); |
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| 132 | fclose(ofp); |
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| 133 | return 1; |
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| 134 | } |
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| 135 | |
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| 136 | /* Copy first image out and remember its length */ |
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| 137 | cnt = 0; |
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| 138 | for(;;) |
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| 139 | { |
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| 140 | len = fread(buf, 1, sizeof(buf), ifp); |
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| 141 | |
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| 142 | if(len != 0) |
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| 143 | { |
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| 144 | fwrite(buf, 1, len, ofp); |
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| 145 | cnt += sizeof(buf); |
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| 146 | |
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| 147 | if(len != sizeof(buf)) |
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| 148 | { |
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| 149 | memset(buf, 0, sizeof(buf) - len); |
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| 150 | fwrite(buf, 1, sizeof(buf) - len, ofp); |
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| 151 | break; |
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| 152 | } |
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| 153 | |
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| 154 | } |
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| 155 | else |
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| 156 | { |
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| 157 | break; |
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| 158 | } |
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| 159 | } |
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| 160 | |
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| 161 | fclose(ifp); |
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| 162 | |
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| 163 | len1 = cnt; |
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| 164 | |
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| 165 | if(size1 == 0) |
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| 166 | { |
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| 167 | size1 = cnt; |
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| 168 | } |
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| 169 | else |
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| 170 | { |
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| 171 | memset(buf, 0, sizeof(buf)); |
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| 172 | |
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| 173 | while(cnt < size1) |
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| 174 | { |
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| 175 | fwrite(buf, 1, sizeof(buf), ofp); |
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| 176 | cnt += sizeof(buf); |
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| 177 | } |
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| 178 | |
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| 179 | size1 = cnt; |
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| 180 | } |
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| 181 | |
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| 182 | /* Let us check agains overlapping */ |
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| 183 | if(!(addr1 >= (headerAddr + sizeof(buf)) || (headerAddr >= addr1+size1))) |
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| 184 | { |
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| 185 | /* Areas overlapped */ |
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| 186 | printf("area overlapping: \n"); |
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[1792c7a] | 187 | printf("header address 0x%08lx, its memory size 0x%08zx\n", |
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[5d18fb0] | 188 | headerAddr, sizeof(buf)); |
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| 189 | printf("first image address 0x%08lx, its memory size 0x%08x\n", |
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| 190 | addr1, size1); |
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| 191 | |
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| 192 | fclose(ofp); |
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| 193 | return 1; |
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| 194 | } |
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| 195 | |
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| 196 | if((addr1 + size1) > 0x98000) |
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| 197 | { |
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| 198 | fprintf(stderr, "imAddr1 is too high 0x%08lx\n", addr1); |
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| 199 | fclose(ofp); |
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| 200 | return 1; |
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| 201 | } |
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[6128a4a] | 202 | |
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[5d18fb0] | 203 | if(optind == (argc - 1)) |
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| 204 | { |
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| 205 | imageCnt = 1; |
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| 206 | goto writeHeader; |
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| 207 | } |
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| 208 | |
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| 209 | imageCnt = 2; |
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| 210 | |
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| 211 | /* Copy Second Image */ |
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| 212 | optind++; |
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| 213 | ifile = argv[optind]; |
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[aec5da4] | 214 | ifp = fopen(ifile,"rb"); |
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[5d18fb0] | 215 | if(ifp == NULL) |
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| 216 | { |
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| 217 | fprintf(stderr, "unable to open output file %s\n", ifile); |
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| 218 | fclose(ofp); |
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| 219 | return 1; |
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| 220 | } |
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| 221 | |
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| 222 | optind++; |
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| 223 | addr2 = strtoul(argv[optind], &end, 0); |
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| 224 | if(end == argv[optind]) |
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| 225 | { |
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| 226 | fprintf(stderr, "bad image address %s\n", argv[optind]); |
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| 227 | fclose(ofp); |
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| 228 | return 1; |
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| 229 | } |
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| 230 | |
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| 231 | optind++; |
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| 232 | size2 = strtoul(argv[optind], &end, 0); |
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| 233 | if(end == argv[optind]) |
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| 234 | { |
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| 235 | fprintf(stderr, "bad image size %s\n", argv[optind]); |
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| 236 | fclose(ofp); |
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| 237 | return 1; |
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| 238 | } |
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| 239 | |
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| 240 | /* Copy second image out and remember its length */ |
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| 241 | cnt = 0; |
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| 242 | for(;;) |
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| 243 | { |
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| 244 | len = fread(buf, 1, sizeof(buf), ifp); |
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[6128a4a] | 245 | |
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[5d18fb0] | 246 | if(len != 0) |
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| 247 | { |
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| 248 | fwrite(buf, len, 1, ofp); |
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| 249 | cnt += sizeof(buf); |
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[6128a4a] | 250 | |
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[5d18fb0] | 251 | if(len != sizeof(buf)) |
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| 252 | { |
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| 253 | memset(buf, 0, sizeof(buf) - len); |
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| 254 | fwrite(buf, 1, sizeof(buf) - len, ofp); |
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| 255 | break; |
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| 256 | } |
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| 257 | } |
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| 258 | else |
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| 259 | { |
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| 260 | break; |
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| 261 | } |
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| 262 | } |
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| 263 | |
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| 264 | fclose(ifp); |
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| 265 | |
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| 266 | len2 = cnt; |
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| 267 | |
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| 268 | if(size2 == 0) |
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| 269 | { |
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| 270 | size2 = cnt; |
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| 271 | } |
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| 272 | else |
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| 273 | { |
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| 274 | memset(buf, 0, sizeof(buf)); |
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| 275 | |
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| 276 | while(cnt < size2) |
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| 277 | { |
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| 278 | fwrite(buf, 1, sizeof(buf), ofp); |
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| 279 | cnt += sizeof(buf); |
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| 280 | } |
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| 281 | |
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| 282 | size2 = cnt; |
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| 283 | } |
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| 284 | |
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| 285 | /* Let us check against overlapping */ |
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| 286 | if(!((addr2 >= (addr1 + size1) && addr2 >= (headerAddr + sizeof(buf))) || |
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| 287 | (addr2 < addr1 && addr2 < headerAddr) || |
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| 288 | (addr1 > headerAddr && addr2 > (headerAddr + sizeof(buf)) && |
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| 289 | (addr2 + size2) <= addr1) || |
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[6128a4a] | 290 | (addr1 < headerAddr && addr2 > (addr1 + size1) && |
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[5d18fb0] | 291 | (addr2 + size2) <= headerAddr))) |
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[6128a4a] | 292 | |
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[5d18fb0] | 293 | { |
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| 294 | /* Areas overlapped */ |
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| 295 | printf("area overlapping: \n"); |
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[1792c7a] | 296 | printf("header address 0x%08" PRIxPTR ", its memory size 0x%08zx\n", |
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[5d18fb0] | 297 | headerAddr, sizeof(buf)); |
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[1792c7a] | 298 | printf("first image address 0x%08" PRIxPTR ", its memory size 0x%08x\n", |
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[5d18fb0] | 299 | addr1, size1); |
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[1792c7a] | 300 | printf("second image address 0x%08" PRIxPTR ", its memory size 0x%08x\n", |
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[5d18fb0] | 301 | addr2, size2); |
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| 302 | |
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| 303 | fclose(ofp); |
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| 304 | return 1; |
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| 305 | } |
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| 306 | |
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| 307 | writeHeader: |
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| 308 | |
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| 309 | /* We know everything so it is time to write buffer */ |
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| 310 | memset(buf, 0, 0x30); |
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| 311 | |
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| 312 | buf[0x0] = 0x36; |
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| 313 | buf[0x1] = 0x13; |
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| 314 | buf[0x2] = 0x03; |
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| 315 | buf[0x3] = 0x1b; |
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| 316 | |
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| 317 | buf[0x4] = 4; |
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| 318 | |
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| 319 | /* Header address in ds:bx format */ |
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| 320 | buf[0x8] = headerAddr & 0xf; |
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| 321 | buf[0x9] = 0; |
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| 322 | buf[0xa] = (headerAddr >> 4) & 0xff; |
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| 323 | buf[0xb] = (headerAddr >> 12) & 0xff; |
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| 324 | |
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[6128a4a] | 325 | /* |
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| 326 | * Execute address in cs:ip format, which addr1 |
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[5d18fb0] | 327 | */ |
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| 328 | buf[0xc] = addr1 & 0xf; |
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| 329 | buf[0xd] = 0; |
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| 330 | buf[0xe] = (addr1 >> 4) & 0xff; |
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| 331 | buf[0xf] = (addr1 >> 12) & 0xff; |
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| 332 | |
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| 333 | /* Flags, tags and lengths */ |
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| 334 | buf[0x10] = 4; |
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| 335 | |
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| 336 | if(imageCnt == 1) |
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| 337 | { |
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| 338 | buf[0x13] = 4; |
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| 339 | } |
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| 340 | |
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| 341 | /* Load address */ |
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| 342 | buf[0x14] = addr1 & 0xff; |
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| 343 | buf[0x15] = (addr1 >> 8) & 0xff; |
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| 344 | buf[0x16] = (addr1 >> 16) & 0xff; |
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| 345 | buf[0x17] = (addr1 >> 24) & 0xff; |
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| 346 | |
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| 347 | /* Image Length */ |
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| 348 | buf[0x18] = len1 & 0xff; |
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| 349 | buf[0x19] = (len1 >> 8) & 0xff; |
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| 350 | buf[0x1a] = (len1 >> 16) & 0xff; |
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| 351 | buf[0x1b] = (len1 >> 24) & 0xff; |
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| 352 | |
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| 353 | /* Memory Size */ |
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| 354 | buf[0x1c] = size1 & 0xff; |
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| 355 | buf[0x1d] = (size1 >> 8) & 0xff; |
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| 356 | buf[0x1e] = (size1 >> 16) & 0xff; |
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| 357 | buf[0x1f] = (size1 >> 24) & 0xff; |
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| 358 | |
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| 359 | if(imageCnt != 1) |
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| 360 | { |
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| 361 | |
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| 362 | /* Flags, tags and lengths */ |
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| 363 | buf[0x20] = 4; |
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[6128a4a] | 364 | |
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[5d18fb0] | 365 | buf[0x23] = 4; |
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| 366 | |
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| 367 | /* Load address */ |
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| 368 | buf[0x24] = addr2 & 0xff; |
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| 369 | buf[0x25] = (addr2 >> 8) & 0xff; |
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| 370 | buf[0x26] = (addr2 >> 16) & 0xff; |
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| 371 | buf[0x27] = (addr2 >> 24) & 0xff; |
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[6128a4a] | 372 | |
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[5d18fb0] | 373 | /* Image Length */ |
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| 374 | buf[0x28] = len2 & 0xff; |
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| 375 | buf[0x29] = (len2 >> 8) & 0xff; |
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| 376 | buf[0x2a] = (len2 >> 16) & 0xff; |
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| 377 | buf[0x2b] = (len2 >> 24) & 0xff; |
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[6128a4a] | 378 | |
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[5d18fb0] | 379 | /* Memory Size */ |
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| 380 | buf[0x2c] = size2 & 0xff; |
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| 381 | buf[0x2d] = (size2 >> 8) & 0xff; |
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| 382 | buf[0x2e] = (size2 >> 16) & 0xff; |
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| 383 | buf[0x2f] = (size2 >> 24) & 0xff; |
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| 384 | } |
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| 385 | |
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| 386 | rewind(ofp); |
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| 387 | |
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| 388 | fwrite(buf, 1, 0x30, ofp); |
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| 389 | |
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| 390 | fclose(ofp); |
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| 391 | |
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| 392 | if(verbose) |
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| 393 | { |
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[1792c7a] | 394 | printf("header address 0x%08" PRIxPTR ", its memory size 0x%08zx\n", |
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[5d18fb0] | 395 | headerAddr, sizeof(buf)); |
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[1792c7a] | 396 | printf("first image address 0x%08" PRIxPTR ", its memory size 0x%08x\n", |
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[5d18fb0] | 397 | addr1, size1); |
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[1792c7a] | 398 | printf("second image address 0x%08" PRIxPTR ", its memory size 0x%08x\n", |
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[5d18fb0] | 399 | addr2, size2); |
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| 400 | } |
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| 401 | |
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| 402 | return 0; |
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[3239698] | 403 | } |
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