/* $NetBSD: convert-dtsv0-lexer.l,v 1.1.1.3 2019/12/22 12:34:04 skrll Exp $ */ /* SPDX-License-Identifier: GPL-2.0-or-later */ /* * (C) Copyright David Gibson , IBM Corporation. 2005, 2008. */ %option noyywrap nounput noinput never-interactive %x BYTESTRING %x PROPNODENAME PROPNODECHAR [a-zA-Z0-9,._+*#?@-] PATHCHAR ({PROPNODECHAR}|[/]) LABEL [a-zA-Z_][a-zA-Z0-9_]* STRING \"([^\\"]|\\.)*\" WS [[:space:]] COMMENT "/*"([^*]|\*+[^*/])*\*+"/" LINECOMMENT "//".*\n GAP ({WS}|{COMMENT}|{LINECOMMENT})* %{ #include #include #include #include #include #include #include "srcpos.h" #include "util.h" static int v1_tagged; /* = 0 */ static int cbase = 16; static int saw_hyphen; /* = 0 */ static unsigned long long last_val; static char *last_name; /* = NULL */ static const struct { const char *pattern; int obase, width; } guess_table[] = { { "*-frequency", 10, 0 }, { "num-*", 10, 0 }, { "#*-cells", 10, 0 }, { "*cache-line-size", 10, 0 }, { "*cache-block-size", 10, 0 }, { "*cache-size", 10, 0 }, { "*cache-sets", 10, 0 }, { "cell-index", 10, 0 }, { "bank-width", 10, 0 }, { "*-fifo-size", 10, 0 }, { "*-frame-size", 10, 0 }, { "*-channel", 10, 0 }, { "current-speed", 10, 0 }, { "phy-map", 16, 8 }, { "dcr-reg", 16, 3 }, { "reg", 16, 8 }, { "ranges", 16, 8}, }; %} %% <*>"/include/"{GAP}{STRING} ECHO; <*>\"([^\\"]|\\.)*\" ECHO; <*>"/dts-v1/" { die("Input dts file is already version 1\n"); } <*>"/memreserve/" { if (!v1_tagged) { fprintf(yyout, "/dts-v1/;\n\n"); v1_tagged = 1; } ECHO; BEGIN(INITIAL); } <*>{LABEL}: ECHO; [bodh]# { if (*yytext == 'b') cbase = 2; else if (*yytext == 'o') cbase = 8; else if (*yytext == 'd') cbase = 10; else cbase = 16; } [0-9a-fA-F]+ { unsigned long long val; int obase = 16, width = 0; int i; val = strtoull(yytext, NULL, cbase); if (saw_hyphen) val = val - last_val + 1; if (last_name) { for (i = 0; i < ARRAY_SIZE(guess_table); i++) if (fnmatch(guess_table[i].pattern, last_name, 0) == 0) { obase = guess_table[i].obase; width = guess_table[i].width; } } else { obase = 16; width = 16; } if (cbase != 16) obase = cbase; switch (obase) { case 2: case 16: fprintf(yyout, "0x%0*llx", width, val); break; case 8: fprintf(yyout, "0%0*llo", width, val); break; case 10: fprintf(yyout, "%*llu", width, val); break; } cbase = 16; last_val = val; saw_hyphen = 0; } \&{LABEL} ECHO; "&{/"{PATHCHAR}+\} ECHO; "&/"{PATHCHAR}+ fprintf(yyout, "&{/%s}", yytext + 2); [0-9a-fA-F]{2} ECHO; "]" { ECHO; BEGIN(INITIAL); } {PROPNODECHAR}+ { ECHO; last_name = xstrdup(yytext); BEGIN(INITIAL); } <*>{GAP} ECHO; <*>- { /* Hack to convert old style memreserves */ saw_hyphen = 1; fprintf(yyout, " "); } <*>. { if (!v1_tagged) { fprintf(yyout, "/dts-v1/;\n\n"); v1_tagged = 1; } ECHO; if (yytext[0] == '[') { BEGIN(BYTESTRING); } if ((yytext[0] == '{') || (yytext[0] == ';')) { BEGIN(PROPNODENAME); } } %% /* Usage related data. */ static const char usage_synopsis[] = "convert-dtsv0 [options] ..."; static const char usage_short_opts[] = "" USAGE_COMMON_SHORT_OPTS; static struct option const usage_long_opts[] = { USAGE_COMMON_LONG_OPTS }; static const char * const usage_opts_help[] = { USAGE_COMMON_OPTS_HELP }; static void convert_file(const char *fname) { const char suffix[] = "v1"; int len = strlen(fname); char *newname; newname = xmalloc(len + sizeof(suffix)); memcpy(newname, fname, len); memcpy(newname + len, suffix, sizeof(suffix)); yyin = fopen(fname, "r"); if (!yyin) die("Couldn't open input file %s: %s\n", fname, strerror(errno)); yyout = fopen(newname, "w"); if (!yyout) die("Couldn't open output file %s: %s\n", newname, strerror(errno)); while(yylex()) ; free(newname); } int main(int argc, char *argv[]) { int opt; int i; while ((opt = util_getopt_long()) != EOF) { switch (opt) { case_USAGE_COMMON_FLAGS } } if (argc < 2) usage("missing filename"); for (i = 1; i < argc; i++) { fprintf(stderr, "Converting %s from dts v0 to dts v1\n", argv[i]); convert_file(argv[i]); } exit(0); }