From 43a95b8896b0d271de3bbb28cc18810f39b2e15b Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Wed, 14 Feb 2007 08:21:06 +0000 Subject: pull latest kconfig from kernel --- extra/config/symbol.c | 148 +++++++++++++++++++++++++++++++++++++------------- 1 file changed, 110 insertions(+), 38 deletions(-) (limited to 'extra/config/symbol.c') diff --git a/extra/config/symbol.c b/extra/config/symbol.c index e0286331e..9fbe737fe 100644 --- a/extra/config/symbol.c +++ b/extra/config/symbol.c @@ -15,22 +15,22 @@ struct symbol symbol_yes = { .name = "y", .curr = { "y", yes }, - .flags = SYMBOL_YES|SYMBOL_VALID, + .flags = SYMBOL_CONST|SYMBOL_VALID, }, symbol_mod = { .name = "m", .curr = { "m", mod }, - .flags = SYMBOL_MOD|SYMBOL_VALID, + .flags = SYMBOL_CONST|SYMBOL_VALID, }, symbol_no = { .name = "n", .curr = { "n", no }, - .flags = SYMBOL_NO|SYMBOL_VALID, + .flags = SYMBOL_CONST|SYMBOL_VALID, }, symbol_empty = { .name = "", .curr = { "", no }, .flags = SYMBOL_VALID, }; -int sym_change_count; +struct symbol *sym_defconfig_list; struct symbol *modules_sym; tristate modules_val; @@ -44,6 +44,7 @@ void sym_add_default(struct symbol *sym, const char *def) void sym_init(void) { struct symbol *sym; + struct utsname uts; char *p; static bool inited = false; @@ -51,20 +52,26 @@ void sym_init(void) return; inited = true; - sym = sym_lookup("VERSION", 0); + uname(&uts); + + sym = sym_lookup("ARCH", 0); sym->type = S_STRING; sym->flags |= SYMBOL_AUTO; - p = getenv("VERSION"); + p = getenv("ARCH"); if (p) sym_add_default(sym, p); - sym = sym_lookup("TARGET_ARCH", 0); + sym = sym_lookup("VERSION", 0); sym->type = S_STRING; sym->flags |= SYMBOL_AUTO; - p = getenv("TARGET_ARCH"); + p = getenv("VERSION"); if (p) sym_add_default(sym, p); + sym = sym_lookup("UNAME_RELEASE", 0); + sym->type = S_STRING; + sym->flags |= SYMBOL_AUTO; + sym_add_default(sym, uts.release); } enum symbol_type sym_get_type(struct symbol *sym) @@ -134,6 +141,55 @@ struct property *sym_get_range_prop(struct symbol *sym) return NULL; } +static int sym_get_range_val(struct symbol *sym, int base) +{ + sym_calc_value(sym); + switch (sym->type) { + case S_INT: + base = 10; + break; + case S_HEX: + base = 16; + break; + default: + break; + } + return strtol(sym->curr.val, NULL, base); +} + +static void sym_validate_range(struct symbol *sym) +{ + struct property *prop; + int base, val, val2; + char str[64]; + + switch (sym->type) { + case S_INT: + base = 10; + break; + case S_HEX: + base = 16; + break; + default: + return; + } + prop = sym_get_range_prop(sym); + if (!prop) + return; + val = strtol(sym->curr.val, NULL, base); + val2 = sym_get_range_val(prop->expr->left.sym, base); + if (val >= val2) { + val2 = sym_get_range_val(prop->expr->right.sym, base); + if (val <= val2) + return; + } + if (sym->type == S_INT) + sprintf(str, "%d", val2); + else + sprintf(str, "0x%x", val2); + sym->curr.val = strdup(str); +} + static void sym_calc_visibility(struct symbol *sym) { struct property *prop; @@ -171,7 +227,7 @@ static struct symbol *sym_calc_choice(struct symbol *sym) struct expr *e; /* is the user choice visible? */ - def_sym = sym->user.val; + def_sym = sym->def[S_DEF_USER].val; if (def_sym) { sym_calc_visibility(def_sym); if (def_sym->visible != no) @@ -250,7 +306,7 @@ void sym_calc_value(struct symbol *sym) } else if (E_OR(sym->visible, sym->rev_dep.tri) != no) { sym->flags |= SYMBOL_WRITE; if (sym_has_value(sym)) - newval.tri = sym->user.tri; + newval.tri = sym->def[S_DEF_USER].tri; else if (!sym_is_choice(sym)) { prop = sym_get_default_prop(sym); if (prop) @@ -273,7 +329,7 @@ void sym_calc_value(struct symbol *sym) if (sym->visible != no) { sym->flags |= SYMBOL_WRITE; if (sym_has_value(sym)) { - newval.val = sym->user.val; + newval.val = sym->def[S_DEF_USER].val; break; } } @@ -294,11 +350,15 @@ void sym_calc_value(struct symbol *sym) sym->curr = newval; if (sym_is_choice(sym) && newval.tri == yes) sym->curr.val = sym_calc_choice(sym); + sym_validate_range(sym); - if (memcmp(&oldval, &sym->curr, sizeof(oldval))) + if (memcmp(&oldval, &sym->curr, sizeof(oldval))) { sym_set_changed(sym); - if (modules_sym == sym) - modules_val = modules_sym->curr.tri; + if (modules_sym == sym) { + sym_set_all_changed(); + modules_val = modules_sym->curr.tri; + } + } if (sym_is_choice(sym)) { int flags = sym->flags & (SYMBOL_CHANGED | SYMBOL_WRITE); @@ -318,7 +378,7 @@ void sym_clear_all_valid(void) for_all_symbols(i, sym) sym->flags &= ~SYMBOL_VALID; - sym_change_count++; + sym_add_change_count(1); if (modules_sym) sym_calc_value(modules_sym); } @@ -369,23 +429,31 @@ bool sym_set_tristate_value(struct symbol *sym, tristate val) if (oldval != val && !sym_tristate_within_range(sym, val)) return false; - if (sym->flags & SYMBOL_NEW) { - sym->flags &= ~SYMBOL_NEW; + if (!(sym->flags & SYMBOL_DEF_USER)) { + sym->flags |= SYMBOL_DEF_USER; sym_set_changed(sym); } + /* + * setting a choice value also resets the new flag of the choice + * symbol and all other choice values. + */ if (sym_is_choice_value(sym) && val == yes) { struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym)); + struct property *prop; + struct expr *e; - cs->user.val = sym; - cs->flags &= ~SYMBOL_NEW; + cs->def[S_DEF_USER].val = sym; + cs->flags |= SYMBOL_DEF_USER; + prop = sym_get_choice_prop(cs); + for (e = prop->expr; e; e = e->left.expr) { + if (e->right.sym->visible != no) + e->right.sym->flags |= SYMBOL_DEF_USER; + } } - sym->user.tri = val; - if (oldval != val) { + sym->def[S_DEF_USER].tri = val; + if (oldval != val) sym_clear_all_valid(); - if (sym == modules_sym) - sym_set_all_changed(); - } return true; } @@ -471,8 +539,8 @@ bool sym_string_within_range(struct symbol *sym, const char *str) if (!prop) return true; val = strtol(str, NULL, 10); - return val >= strtol(prop->expr->left.sym->name, NULL, 10) && - val <= strtol(prop->expr->right.sym->name, NULL, 10); + return val >= sym_get_range_val(prop->expr->left.sym, 10) && + val <= sym_get_range_val(prop->expr->right.sym, 10); case S_HEX: if (!sym_string_valid(sym, str)) return false; @@ -480,8 +548,8 @@ bool sym_string_within_range(struct symbol *sym, const char *str) if (!prop) return true; val = strtol(str, NULL, 16); - return val >= strtol(prop->expr->left.sym->name, NULL, 16) && - val <= strtol(prop->expr->right.sym->name, NULL, 16); + return val >= sym_get_range_val(prop->expr->left.sym, 16) && + val <= sym_get_range_val(prop->expr->right.sym, 16); case S_BOOLEAN: case S_TRISTATE: switch (str[0]) { @@ -523,20 +591,20 @@ bool sym_set_string_value(struct symbol *sym, const char *newval) if (!sym_string_within_range(sym, newval)) return false; - if (sym->flags & SYMBOL_NEW) { - sym->flags &= ~SYMBOL_NEW; + if (!(sym->flags & SYMBOL_DEF_USER)) { + sym->flags |= SYMBOL_DEF_USER; sym_set_changed(sym); } - oldval = sym->user.val; + oldval = sym->def[S_DEF_USER].val; size = strlen(newval) + 1; if (sym->type == S_HEX && (newval[0] != '0' || (newval[1] != 'x' && newval[1] != 'X'))) { size += 2; - sym->user.val = val = malloc(size); + sym->def[S_DEF_USER].val = val = malloc(size); *val++ = '0'; *val++ = 'x'; } else if (!oldval || strcmp(oldval, newval)) - sym->user.val = val = malloc(size); + sym->def[S_DEF_USER].val = val = malloc(size); else return true; @@ -611,7 +679,6 @@ struct symbol *sym_lookup(const char *name, int isconst) memset(symbol, 0, sizeof(*symbol)); symbol->name = new_name; symbol->type = S_UNKNOWN; - symbol->flags = SYMBOL_NEW; if (isconst) symbol->flags |= SYMBOL_CONST; @@ -724,12 +791,12 @@ struct symbol *sym_check_deps(struct symbol *sym) struct symbol *sym2; struct property *prop; - if (sym->flags & SYMBOL_CHECK_DONE) - return NULL; if (sym->flags & SYMBOL_CHECK) { - fprintf(stderr, "Warning! Found recursive dependency: %s\n", sym->name); + printf("Warning! Found recursive dependency: %s", sym->name); return sym; } + if (sym->flags & SYMBOL_CHECKED) + return NULL; sym->flags |= (SYMBOL_CHECK | SYMBOL_CHECKED); sym2 = sym_check_expr_deps(sym->rev_dep.expr); @@ -749,8 +816,13 @@ struct symbol *sym_check_deps(struct symbol *sym) goto out; } out: - if (sym2) + if (sym2) { printf(" %s", sym->name); + if (sym2 == sym) { + printf("\n"); + sym2 = NULL; + } + } sym->flags &= ~SYMBOL_CHECK; return sym2; } -- cgit v1.2.3