FreeCalypso > hg > fc-tourmaline
annotate helpers/srec4ram.c @ 169:adae850f9857
mmiSimToolkit.c: formatting fixes
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 17 Jan 2021 23:43:19 +0000 |
parents | 1fb47f5b597a |
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rev | line source |
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9
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1 /* |
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2 * This ad hoc utility is used as part of building RAM-loadable |
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3 * firmware images for targets with large RAM. It reads the ramimage.m0 |
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4 * S-record file produced by TI's hex470 post-linker and re-emits it |
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5 * in another SREC form that is suitable for feeding to fc-xram. |
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6 */ |
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7 |
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8 #include <sys/types.h> |
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9 #include <ctype.h> |
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10 #include <stdio.h> |
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11 #include <stdlib.h> |
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12 #include <string.h> |
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13 #include <strings.h> |
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14 |
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15 char *infname; |
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16 FILE *inf, *outf; |
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17 char srecbuf[80]; |
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18 u_char srecbin[40], srecout[40]; |
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19 int lineno; |
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20 |
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21 decode_hex_byte(s) |
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22 char *s; |
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23 { |
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24 register int u, l; |
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25 |
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26 if (!isxdigit(s[0]) || !isxdigit(s[1])) |
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27 return(-1); |
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28 if (isdigit(s[0])) |
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29 u = s[0] - '0'; |
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30 else if (isupper(s[0])) |
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31 u = s[0] - 'A' + 10; |
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32 else |
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33 u = s[0] - 'a' + 10; |
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34 if (isdigit(s[1])) |
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35 l = s[1] - '0'; |
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36 else if (isupper(s[1])) |
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37 l = s[1] - 'A' + 10; |
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38 else |
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39 l = s[1] - 'a' + 10; |
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40 return((u << 4) | l); |
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41 } |
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42 |
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43 srec2bin() |
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44 { |
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45 register int i, l, b; |
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46 |
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47 l = decode_hex_byte(srecbuf + 2); |
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48 if (l < 1) { |
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49 fprintf(stderr, "%s line %d: S-record length octet is bad\n", |
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50 infname, lineno); |
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51 exit(1); |
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52 } |
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53 srecbin[0] = l; |
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54 if (l > 35) { |
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55 fprintf(stderr, |
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56 "%s line %d: S-record is longer than expected\n", |
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57 infname, lineno); |
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58 exit(1); |
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59 } |
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60 for (i = 1; i <= l; i++) { |
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61 b = decode_hex_byte(srecbuf + i*2 + 2); |
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62 if (b < 0) { |
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63 fprintf(stderr, "%s line %d: hex decode error\n", |
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64 infname, lineno); |
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65 exit(1); |
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66 } |
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67 srecbin[i] = b; |
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68 } |
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69 return(0); |
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70 } |
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71 |
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72 srec_cksum() |
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73 { |
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74 u_char accum; |
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75 register int i, len; |
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76 |
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77 len = srecbin[0] + 1; |
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78 accum = 0; |
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79 for (i = 0; i < len; i++) |
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80 accum += srecbin[i]; |
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81 if (accum != 0xFF) { |
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82 fprintf(stderr, "%s line %d: bad checksum\n", infname, lineno); |
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83 exit(1); |
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84 } |
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85 return(0); |
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86 } |
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87 |
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88 emit_output_srec(type, buf) |
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89 u_char *buf; |
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90 { |
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91 int i; |
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92 u_char accum = 0; |
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93 |
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94 putc('S', outf); |
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95 putc(type, outf); |
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96 for (i = 0; i < buf[0]; i++) { |
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97 fprintf(outf, "%02X", buf[i]); |
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98 accum += buf[i]; |
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99 } |
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100 fprintf(outf, "%02X\n", ~accum & 0xFF); |
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101 return 0; |
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102 } |
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103 |
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104 transform_s3() |
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105 { |
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106 int datalen; |
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107 u_char *sp, *dp; |
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108 int i; |
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109 |
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110 if (srecbin[0] < 6) { |
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111 fprintf(stderr, |
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112 "%s line %d: S3 record is too short\n", |
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113 infname, lineno); |
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114 exit(1); |
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115 } |
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116 datalen = srecbin[0] - 5; |
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117 if (datalen & 1) { |
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118 fprintf(stderr, "%s line %d: odd data length\n", |
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119 infname, lineno); |
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120 exit(1); |
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121 } |
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122 sp = srecbin; |
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123 dp = srecout; |
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124 for (i = 0; i < 5; i++) |
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125 *dp++ = *sp++; |
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126 for (i = 0; i < datalen; i += 2) { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
127 dp[0] = sp[1]; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
128 dp[1] = sp[0]; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
129 sp += 2; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
130 dp += 2; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
131 } |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
132 return 0; |
1fb47f5b597a
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
133 } |
1fb47f5b597a
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
134 |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
135 generate_vectors_record() |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
136 { |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
137 u_char *dp; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
138 u_long addr; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
139 int i; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
140 |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
141 srecout[0] = 28 + 5; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
142 srecout[1] = 0x00; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
143 srecout[2] = 0x80; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
144 srecout[3] = 0x00; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
145 srecout[4] = 0x00; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
146 dp = srecout + 5; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
147 for (i = 0; i < 7; i++) { |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
148 addr = 0x01004000 + i * 4; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
149 *dp++ = addr; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
150 *dp++ = addr >> 8; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
151 *dp++ = addr >> 16; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
152 *dp++ = addr >> 24; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
153 } |
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helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
154 emit_output_srec('3', srecout); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
155 return 0; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
156 } |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
157 |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
158 generate_jump_record() |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
159 { |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
160 srecout[0] = 5; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
161 srecout[1] = 0x01; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
162 srecout[2] = 0x00; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
163 srecout[3] = 0x40; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
164 srecout[4] = 0x58; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
165 emit_output_srec('7', srecout); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
166 return 0; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
167 } |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
168 |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
169 main(argc, argv) |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
170 char **argv; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
171 { |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
172 if (argc < 2 || argc > 3) { |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
173 fprintf(stderr, "usage: %s input.m0 [output.srec]\n", argv[0]); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
174 exit(1); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
175 } |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
176 infname = argv[1]; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
177 inf = fopen(infname, "r"); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
178 if (!inf) { |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
179 perror(infname); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
180 exit(1); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
181 } |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
182 if (argc > 2) { |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
183 outf = fopen(argv[2], "w"); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
184 if (!outf) { |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
185 perror(argv[2]); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
186 exit(1); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
187 } |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
188 } else |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
189 outf = stdout; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
190 for (lineno = 1; ; lineno++) { |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
191 if (!fgets(srecbuf, sizeof srecbuf, inf)) { |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
192 fprintf(stderr, "%s: premature EOF\n", infname); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
193 exit(1); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
194 } |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
195 if (srecbuf[0] != 'S') { |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
196 fprintf(stderr, "%s line %d: not an S-record\n", |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
197 infname, lineno); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
198 exit(1); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
199 } |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
200 srec2bin(); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
201 srec_cksum(); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
202 switch (srecbuf[1]) { |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
203 case '0': |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
204 emit_output_srec('0', srecbin); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
205 continue; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
206 case '3': |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
207 transform_s3(); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
208 emit_output_srec('3', srecout); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
209 continue; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
210 case '7': |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
211 break; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
212 default: |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
213 fprintf(stderr, "%s line %d: unexpected S%c record\n", |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
214 infname, lineno, srecbuf[1]); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
215 exit(1); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
216 } |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
217 break; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
218 } |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
219 generate_vectors_record(); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
220 generate_jump_record(); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
221 exit(0); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
222 } |