util/kconfig: Add `toada` Ada spec generation tool
Converts `auto.conf` to an Ada spec file. Write to $(obj)/cb-config.ads and set the package name to `CB.Config`. Change-Id: I97c060d8a613c74a82a18aff9524ad4b01f9df56 Signed-off-by: Nico Huber <nico.h@gmx.de> Reviewed-on: https://review.coreboot.org/c/31053 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
This commit is contained in:
Nico Huber
Patrick Georgi
parent
a402a9e7ab
commit
533bc0a7ef
9
Makefile
9
Makefile
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@ -44,6 +44,7 @@ COREBOOT_EXPORTS += top src srck obj objutil objk
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DOTCONFIG ?= $(top)/.config
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KCONFIG_CONFIG = $(DOTCONFIG)
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KCONFIG_AUTOADS := $(obj)/cb-config.ads
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KCONFIG_AUTOHEADER := $(obj)/config.h
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KCONFIG_AUTOCONFIG := $(obj)/auto.conf
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KCONFIG_DEPENDENCIES := $(obj)/auto.conf.cmd
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@ -51,10 +52,12 @@ KCONFIG_SPLITCONFIG := $(obj)/config
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KCONFIG_TRISTATE := $(obj)/tristate.conf
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KCONFIG_NEGATIVES := 1
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KCONFIG_STRICT := 1
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KCONFIG_PACKAGE := CB.Config
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COREBOOT_EXPORTS += KCONFIG_CONFIG KCONFIG_AUTOHEADER KCONFIG_AUTOCONFIG
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COREBOOT_EXPORTS += KCONFIG_DEPENDENCIES KCONFIG_SPLITCONFIG KCONFIG_TRISTATE
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COREBOOT_EXPORTS += KCONFIG_NEGATIVES KCONFIG_STRICT
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COREBOOT_EXPORTS += KCONFIG_AUTOADS KCONFIG_PACKAGE
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# directory containing the toplevel Makefile.inc
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TOPLEVEL := .
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@ -179,6 +182,12 @@ real-all: real-target
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$(KCONFIG_AUTOHEADER): $(KCONFIG_CONFIG) $(objutil)/kconfig/conf
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+$(MAKE) oldconfig
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$(KCONFIG_AUTOCONFIG): $(KCONFIG_AUTOHEADER)
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true
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$(KCONFIG_AUTOADS): $(KCONFIG_AUTOCONFIG) $(objutil)/kconfig/toada
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$(objutil)/kconfig/toada CB.Config <$< >$@
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# Add a new class of source/object files to the build system
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add-class= \
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$(eval $(1)-srcs:=) \
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@ -344,6 +344,8 @@ $(objk)/nconf: $(patsubst %,$(objk)/%,$(nconf-objs))
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$(HOSTCC) $(HOSTCFLAGS) -o $@ $^ $(HOSTLOADLIBES_nconf)
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$(objk)/conf: $(patsubst %,$(objk)/%,$(conf-objs))
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$(HOSTCC) $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) -o $@ $^
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$(objk)/toada: $(objk)/toada.o
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$(HOSTCC) $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) -o $@ $^
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$(objk)/mconf.o: $(srck)/mconf.c
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$(HOSTCC) $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) -c -o $@ $<
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@ -382,5 +384,8 @@ $(objk)/lxdialog/lxdialog: $(objk)/dochecklxdialog \
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$(objk)/lxdialog/%.o: $(srck)/lxdialog/%.c
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$(HOSTCC) $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) $^ -c -o $@
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$(objk)/toada.o: $(srck)/toada.c
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$(HOSTCC) $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) -c -o $@ $<
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$(objk)/%.o: HOSTCFLAGS+=-I$(srck) -I$(objk)
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$(objk)/%.o: HOSTCXXFLAGS+=-I$(srck) -I$(objk)
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@ -0,0 +1,145 @@
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/*
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* This file is part of the coreboot project.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <ctype.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdbool.h>
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static void print_bool(const char *const name, const bool val)
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{
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printf(" %-46s : constant boolean := %s;\n",
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name, val ? "true" : "false");
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}
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static void print_hex(const char *const name, const char *val)
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{
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unsigned int hexlen;
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printf(" %-46s : constant := 16#", name);
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for (hexlen = strlen(val); hexlen > 0;) {
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const unsigned int len = hexlen % 4 ? : 4;
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char quad[] = "0000";
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unsigned int i;
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for (i = 0; i < len; ++i)
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quad[4 - len + i] = val[i];
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printf("%s", quad);
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val += len;
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hexlen -= len;
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if (hexlen > 0)
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printf("_");
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}
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printf ("#;\n");
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}
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static void print_dec(const char *const name, const char *const val)
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{
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printf(" %-46s : constant := %s;\n", name, val);
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}
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static void print_string(const char *const name, const char *const val)
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{
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printf(" %-46s : constant string := \"%s\";\n", name, val);
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}
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int main(int argc, char *argv[])
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{
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char unset_fmt[256], string_fmt[256], set_fmt[256], line[256];
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char *prefix = "CONFIG", *package = "KConfig";
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if (argc > 3) {
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fprintf(stderr,
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"Usage: %s [<package name> [<config prefix>]]\n\n",
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argv[0]);
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return 1;
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}
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if (argc > 2)
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prefix = argv[2];
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if (argc > 1)
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package = argv[1];
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snprintf(set_fmt, sizeof(set_fmt), "%s_%%255[^=]=%%255s", prefix);
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snprintf(string_fmt, sizeof(string_fmt),
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"%s_%%255[^=]=\"%%255[^\"]\"", prefix);
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snprintf(unset_fmt, sizeof(unset_fmt),
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"# %s_%%255s is not set", prefix);
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printf("package %s is\n\n", package);
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while (fgets(line, sizeof(line), stdin)) {
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char name[256], val[256];
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if (line[strlen(line) - 1] != '\n') {
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fprintf(stderr,
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"Line longer than %zu chars, skipping...\n",
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sizeof(line) - 1);
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while (fgets(line, sizeof(line), stdin)) {
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if (line[strlen(line) - 1] == '\n')
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break;
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}
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continue;
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}
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if (sscanf(line, unset_fmt, name) == 1) {
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print_bool(name, false);
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continue;
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}
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if (sscanf(line, string_fmt, name, val) == 2) {
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print_string(name, val);
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continue;
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}
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switch (sscanf(line, set_fmt, name, val)) {
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case 1:
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/* ignore for now, our Kconfig is full of these atm */
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/* fprintf(stderr, "unset non-bool: %s=\n", name); */
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continue;
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case 2:
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if (strcmp(val, "\"\"") == 0) {
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print_string(name, "");
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} else if (strcmp(val, "y") == 0) {
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print_bool(name, true);
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} else if (strncmp(val, "0x", 2) == 0) {
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print_hex(name, val + 2);
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} else if (isdigit(val[0])) {
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print_dec(name, val);
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} else {
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fprintf(stderr,
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"couldn't parse value '%s' for '%s'\n",
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val, name);
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}
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continue;
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default:
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break;
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}
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unsigned int i = 0;
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while (isspace(line[i]))
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++i;
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if (line[i] == '#') {
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printf(" --%s", line + i + 1);
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continue;
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} else if (i == strlen(line)) {
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continue;
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}
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fprintf(stderr, "spurious line:\n%s", line);
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}
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printf("\nend %s;\n", package);
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return 0;
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}
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