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authorNico Huber <nico.h@gmx.de>2019-01-01 19:03:33 +0100
committerPatrick Georgi <pgeorgi@google.com>2019-01-24 13:47:08 +0000
commit533bc0a7ef345f2f3791b6fa76d9e15a1b6b0956 (patch)
tree160d5324cbfa8fbc35eaa59dd8bc3d3af682ef07 /util
parenta402a9e7ab4ce46bc8829646e59cffa079309590 (diff)
downloadcoreboot-533bc0a7ef345f2f3791b6fa76d9e15a1b6b0956.tar.xz
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>
Diffstat (limited to 'util')
-rw-r--r--util/kconfig/Makefile5
-rw-r--r--util/kconfig/toada.c145
2 files changed, 150 insertions, 0 deletions
diff --git a/util/kconfig/Makefile b/util/kconfig/Makefile
index 3b00da3cf1..a79229d975 100644
--- a/util/kconfig/Makefile
+++ b/util/kconfig/Makefile
@@ -344,6 +344,8 @@ $(objk)/nconf: $(patsubst %,$(objk)/%,$(nconf-objs))
$(HOSTCC) $(HOSTCFLAGS) -o $@ $^ $(HOSTLOADLIBES_nconf)
$(objk)/conf: $(patsubst %,$(objk)/%,$(conf-objs))
$(HOSTCC) $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) -o $@ $^
+$(objk)/toada: $(objk)/toada.o
+ $(HOSTCC) $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) -o $@ $^
$(objk)/mconf.o: $(srck)/mconf.c
$(HOSTCC) $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) -c -o $@ $<
@@ -382,5 +384,8 @@ $(objk)/lxdialog/lxdialog: $(objk)/dochecklxdialog \
$(objk)/lxdialog/%.o: $(srck)/lxdialog/%.c
$(HOSTCC) $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) $^ -c -o $@
+$(objk)/toada.o: $(srck)/toada.c
+ $(HOSTCC) $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) -c -o $@ $<
+
$(objk)/%.o: HOSTCFLAGS+=-I$(srck) -I$(objk)
$(objk)/%.o: HOSTCXXFLAGS+=-I$(srck) -I$(objk)
diff --git a/util/kconfig/toada.c b/util/kconfig/toada.c
new file mode 100644
index 0000000000..9a11b04498
--- /dev/null
+++ b/util/kconfig/toada.c
@@ -0,0 +1,145 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <ctype.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdbool.h>
+
+static void print_bool(const char *const name, const bool val)
+{
+ printf(" %-46s : constant boolean := %s;\n",
+ name, val ? "true" : "false");
+}
+
+static void print_hex(const char *const name, const char *val)
+{
+ unsigned int hexlen;
+
+ printf(" %-46s : constant := 16#", name);
+ for (hexlen = strlen(val); hexlen > 0;) {
+ const unsigned int len = hexlen % 4 ? : 4;
+ char quad[] = "0000";
+ unsigned int i;
+
+ for (i = 0; i < len; ++i)
+ quad[4 - len + i] = val[i];
+ printf("%s", quad);
+
+ val += len;
+ hexlen -= len;
+ if (hexlen > 0)
+ printf("_");
+ }
+ printf ("#;\n");
+}
+
+static void print_dec(const char *const name, const char *const val)
+{
+ printf(" %-46s : constant := %s;\n", name, val);
+}
+
+static void print_string(const char *const name, const char *const val)
+{
+ printf(" %-46s : constant string := \"%s\";\n", name, val);
+}
+
+int main(int argc, char *argv[])
+{
+ char unset_fmt[256], string_fmt[256], set_fmt[256], line[256];
+ char *prefix = "CONFIG", *package = "KConfig";
+
+ if (argc > 3) {
+ fprintf(stderr,
+ "Usage: %s [<package name> [<config prefix>]]\n\n",
+ argv[0]);
+ return 1;
+ }
+ if (argc > 2)
+ prefix = argv[2];
+ if (argc > 1)
+ package = argv[1];
+
+ snprintf(set_fmt, sizeof(set_fmt), "%s_%%255[^=]=%%255s", prefix);
+ snprintf(string_fmt, sizeof(string_fmt),
+ "%s_%%255[^=]=\"%%255[^\"]\"", prefix);
+ snprintf(unset_fmt, sizeof(unset_fmt),
+ "# %s_%%255s is not set", prefix);
+
+ printf("package %s is\n\n", package);
+
+ while (fgets(line, sizeof(line), stdin)) {
+ char name[256], val[256];
+
+ if (line[strlen(line) - 1] != '\n') {
+ fprintf(stderr,
+ "Line longer than %zu chars, skipping...\n",
+ sizeof(line) - 1);
+ while (fgets(line, sizeof(line), stdin)) {
+ if (line[strlen(line) - 1] == '\n')
+ break;
+ }
+ continue;
+ }
+
+ if (sscanf(line, unset_fmt, name) == 1) {
+ print_bool(name, false);
+ continue;
+ }
+
+ if (sscanf(line, string_fmt, name, val) == 2) {
+ print_string(name, val);
+ continue;
+ }
+
+ switch (sscanf(line, set_fmt, name, val)) {
+ case 1:
+ /* ignore for now, our Kconfig is full of these atm */
+ /* fprintf(stderr, "unset non-bool: %s=\n", name); */
+ continue;
+ case 2:
+ if (strcmp(val, "\"\"") == 0) {
+ print_string(name, "");
+ } else if (strcmp(val, "y") == 0) {
+ print_bool(name, true);
+ } else if (strncmp(val, "0x", 2) == 0) {
+ print_hex(name, val + 2);
+ } else if (isdigit(val[0])) {
+ print_dec(name, val);
+ } else {
+ fprintf(stderr,
+ "couldn't parse value '%s' for '%s'\n",
+ val, name);
+ }
+ continue;
+ default:
+ break;
+ }
+
+ unsigned int i = 0;
+ while (isspace(line[i]))
+ ++i;
+ if (line[i] == '#') {
+ printf(" --%s", line + i + 1);
+ continue;
+ } else if (i == strlen(line)) {
+ continue;
+ }
+
+ fprintf(stderr, "spurious line:\n%s", line);
+ }
+
+ printf("\nend %s;\n", package);
+ return 0;
+}