1 /* Copyright (C) 2012-2013 Free Software Foundation, Inc. 2 Contributed by Georg-Johann Lay (avr@gjlay.de) 3 4 This file is part of GCC. 5 6 GCC is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3, or (at your option) 9 any later version. 10 11 GCC is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GCC; see the file COPYING3. If not see 18 <http://www.gnu.org/licenses/>. */ 19 20 #include <stdlib.h> 21 #include <stdio.h> 22 23 #define IN_GEN_AVR_MMCU_TEXI 24 25 #include "avr-arch.h" 26 #include "avr-devices.c" 27 28 static const char* 29 mcu_name[sizeof avr_mcu_types / sizeof avr_mcu_types[0]]; 30 31 static int letter (char c) 32 { 33 return c >= 'a' && c <= 'z'; 34 } 35 36 static int digit (char c) 37 { 38 return c >= '0' && c <= '9'; 39 } 40 41 static int 42 comparator (const void *va, const void *vb) 43 { 44 const char *a = *(const char* const*) va; 45 const char *b = *(const char* const*) vb; 46 47 while (*a && *b) 48 { 49 /* Make letters smaller than digits so that `atmega16a' follows 50 `atmega16' without `atmega161' etc. between them. */ 51 52 if (letter (*a) && digit (*b)) 53 return -1; 54 55 if (digit (*a) && letter (*b)) 56 return 1; 57 58 if (*a != *b) 59 return *a - *b; 60 61 a++; 62 b++; 63 } 64 65 return *a - *b; 66 } 67 68 static void 69 print_mcus (size_t n_mcus) 70 { 71 int duplicate = 0; 72 size_t i; 73 74 if (!n_mcus) 75 return; 76 77 qsort (mcu_name, n_mcus, sizeof (char*), comparator); 78 79 printf ("@*@var{mcu}@tie{}="); 80 81 for (i = 0; i < n_mcus; i++) 82 { 83 printf (" @code{%s}%s", mcu_name[i], i == n_mcus-1 ? ".\n\n" : ","); 84 85 if (i && !strcmp (mcu_name[i], mcu_name[i-1])) 86 { 87 /* Sanity-check: Fail on devices that are present more than once. */ 88 89 duplicate = 1; 90 fprintf (stderr, "error: duplicate device: %s\n", mcu_name[i]); 91 } 92 } 93 94 if (duplicate) 95 exit (1); 96 } 97 98 int main (void) 99 { 100 enum avr_arch arch = ARCH_UNKNOWN; 101 size_t i, n_mcus = 0; 102 const avr_mcu_t *mcu; 103 104 printf ("@c Copyright (C) 2012-2013 Free Software Foundation, Inc.\n"); 105 printf ("@c This is part of the GCC manual.\n"); 106 printf ("@c For copying conditions, see the file " 107 "gcc/doc/include/fdl.texi.\n\n"); 108 109 printf ("@c This file is generated automatically using\n"); 110 printf ("@c gcc/config/avr/gen-avr-mmcu-texi.c from:\n"); 111 printf ("@c gcc/config/avr/avr-arch.h\n"); 112 printf ("@c gcc/config/avr/avr-devices.c\n"); 113 printf ("@c gcc/config/avr/avr-mcus.def\n\n"); 114 115 printf ("@c Please do not edit manually.\n\n"); 116 117 printf ("@table @code\n\n"); 118 119 for (mcu = avr_mcu_types; mcu->name; mcu++) 120 { 121 if (mcu->macro == NULL) 122 { 123 arch = mcu->arch; 124 125 /* Start a new architecture: Flush the MCUs collected so far. */ 126 127 print_mcus (n_mcus); 128 n_mcus = 0; 129 130 for (i = 0; i < sizeof (avr_texinfo) / sizeof (*avr_texinfo); i++) 131 if (arch == avr_texinfo[i].arch) 132 printf ("@item %s\n%s\n", mcu->name, avr_texinfo[i].texinfo); 133 } 134 else if (arch == (enum avr_arch) mcu->arch) 135 { 136 mcu_name[n_mcus++] = mcu->name; 137 } 138 } 139 140 print_mcus (n_mcus); 141 printf ("@end table\n"); 142 143 return EXIT_SUCCESS; 144 } 145