X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fyaboot-parser.c;h=0a66e8d588241d69b66a9fc3d1119edce7f3c38a;hp=d9f2aff5924f6e250074722c97dff0deaa3a66de;hb=5be946c;hpb=0216e1b8a561fed90f0da9d7a67954d5d67458e5

diff --git a/discover/yaboot-parser.c b/discover/yaboot-parser.c
index d9f2aff..0a66e8d 100644
--- a/discover/yaboot-parser.c
+++ b/discover/yaboot-parser.c
@@ -6,16 +6,15 @@
 
 #include "log/log.h"
 #include "talloc/talloc.h"
-#include "pb-protocol/pb-protocol.h"
+#include "types/types.h"
 #include "parser-conf.h"
 #include "parser-utils.h"
-#include "paths.h"
+#include "resource.h"
 
 struct yaboot_state {
-	struct boot_option *opt;
-	const char *desc_image;
+	struct discover_boot_option *opt;
+	char *desc_image;
 	char *desc_initrd;
-	int found_suse;
 	int globals_done;
 	const char *const *known_names;
 };
@@ -23,39 +22,87 @@ struct yaboot_state {
 static void yaboot_finish(struct conf_context *conf)
 {
 	struct yaboot_state *state = conf->parser_info;
+	struct device *dev = conf->dc->device->device;
+	struct boot_option *opt;
 
 	if (!state->desc_image) {
-		pb_log("%s: %s: no image found\n", __func__,
-			conf->dc->device->id);
+		pb_log("%s: %s: no image found\n", __func__, dev->id);
 		return;
 	}
 
 	assert(state->opt);
-	assert(state->opt->name);
-	assert(state->opt->boot_args);
 
-	state->opt->description = talloc_asprintf(state->opt, "%s %s %s",
+	opt = state->opt->option;
+	assert(opt);
+	assert(opt->name);
+	assert(opt->boot_args);
+
+	opt->description = talloc_asprintf(opt, "%s %s %s",
 		state->desc_image,
 		(state->desc_initrd ? state->desc_initrd : ""),
-		state->opt->boot_args);
+		opt->boot_args);
 
 	talloc_free(state->desc_initrd);
 	state->desc_initrd = NULL;
 
-	conf_strip_str(state->opt->boot_args);
-	conf_strip_str(state->opt->description);
+	conf_strip_str(opt->boot_args);
+	conf_strip_str(opt->description);
 
 	/* opt is persistent, so must be associated with device */
 
-	device_add_boot_option(conf->dc->device, state->opt);
-	state->opt = talloc_zero(conf->dc->device, struct boot_option);
-	state->opt->boot_args = talloc_strdup(state->opt, "");
+	discover_context_add_boot_option(conf->dc, state->opt);
+
+	state->opt = discover_boot_option_create(conf->dc, conf->dc->device);
+	state->opt->option->boot_args = talloc_strdup(state->opt->option, "");
+}
+
+static struct resource *create_yaboot_devpath_resource(
+		struct conf_context *conf,
+		const char *path, char **desc_str)
+{
+	const char *g_boot = conf_get_global_option(conf, "boot");
+	const char *g_part = conf_get_global_option(conf, "partition");
+	struct resource *res;
+	char *devpath;
+
+	if (g_boot && g_part) {
+		devpath = talloc_asprintf(conf,
+				"%s%s:%s", g_boot, g_part, path);
+	} else if (g_boot) {
+		devpath = talloc_asprintf(conf, "%s:%s", g_boot, path);
+	} else {
+		devpath = talloc_strdup(conf, path);
+	}
+
+	res = create_devpath_resource(conf->dc, conf->dc->device, devpath);
+
+	if (desc_str)
+		*desc_str = devpath;
+	else
+		talloc_free(devpath);
+
+	return res;
 }
 
+
 static void yaboot_process_pair(struct conf_context *conf, const char *name,
 		char *value)
 {
 	struct yaboot_state *state = conf->parser_info;
+	struct discover_boot_option *opt = state->opt;
+	struct fixed_pair {
+		const char *image;
+		const char *initrd;
+	};
+	static const struct fixed_pair suse_fp32 = {
+		.image = "/suseboot/vmlinux32",
+		.initrd = "/suseboot/initrd32",
+	};
+	static const struct fixed_pair suse_fp64 = {
+		.image = "/suseboot/vmlinux64",
+		.initrd = "/suseboot/initrd64",
+	};
+	const struct fixed_pair *suse_fp;
 
 	/* fixup for bare values */
 
@@ -73,38 +120,57 @@ static void yaboot_process_pair(struct conf_context *conf, const char *name,
 	/* image */
 
 	if (streq(name, "image")) {
-		if (state->opt->boot_image_file)
+
+		/* First finish any previous image. */
+		if (opt->boot_image)
 			yaboot_finish(conf);
 
-		state->opt->boot_image_file = resolve_path(state->opt, value,
-			conf->dc->device_path);
-		state->desc_image = talloc_strdup(state->opt, value);
+		/* Then start the new image. */
+		opt->boot_image = create_yaboot_devpath_resource(conf,
+				value, &state->desc_image);
+
 		return;
 	}
 
-	if (streq(name, "image[32bit]") || streq(name, "image[64bit]")) {
-		state->found_suse = 1;
+	/* Special processing for SUSE install CD. */
+
+	if (streq(name, "image[32bit]"))
+		suse_fp = &suse_fp32;
+	else if (streq(name, "image[64bit]"))
+		suse_fp = &suse_fp64;
+	else
+		suse_fp = NULL;
 
-		if (state->opt->boot_image_file)
+	if (suse_fp) {
+		/* First finish any previous image. */
+
+		if (opt->boot_image)
 			yaboot_finish(conf);
 
+		/* Then start the new image. */
+
 		if (*value == '/') {
-			state->opt->boot_image_file = resolve_path(state->opt,
-				value, conf->dc->device_path);
-			state->desc_image = talloc_strdup(state->opt, value);
+			opt->boot_image = create_yaboot_devpath_resource(
+					conf, value, &state->desc_image);
 		} else {
-			char *s;
-			asprintf(&s, "/suseboot/%s", value);
-			state->opt->boot_image_file = resolve_path(state->opt,
-				s, conf->dc->device_path);
-			state->desc_image = talloc_strdup(state->opt, s);
-			free(s);
+			char *tmp;
+
+			opt->boot_image = create_yaboot_devpath_resource(
+					conf, suse_fp->image,
+					&state->desc_image);
+
+			opt->initrd = create_yaboot_devpath_resource(
+					conf, suse_fp->initrd, &tmp);
+
+			state->desc_initrd = talloc_asprintf(opt,
+				"initrd=%s", tmp);
+			talloc_free(tmp);
 		}
 
 		return;
 	}
 
-	if (!state->opt->boot_image_file) {
+	if (!opt->boot_image) {
 		pb_log("%s: unknown name: %s\n", __func__, name);
 		return;
 	}
@@ -112,77 +178,66 @@ static void yaboot_process_pair(struct conf_context *conf, const char *name,
 	/* initrd */
 
 	if (streq(name, "initrd")) {
-		if (!state->found_suse || (*value == '/')) {
-			state->opt->initrd_file = resolve_path(state->opt,
-				value, conf->dc->device_path);
-			state->desc_initrd = talloc_asprintf(state, "initrd=%s",
-				value);
-		} else {
-			char *s;
-			asprintf(&s, "/suseboot/%s", value);
-			state->opt->initrd_file = resolve_path(state->opt,
-				s, conf->dc->device_path);
-			state->desc_initrd = talloc_asprintf(state, "initrd=%s",
-				s);
-			free(s);
-		}
+		opt->initrd = create_yaboot_devpath_resource(conf,
+				value, &state->desc_image);
+
 		return;
 	}
 
 	/* label */
 
 	if (streq(name, "label")) {
-		state->opt->id = talloc_asprintf(state->opt, "%s#%s",
-			conf->dc->device->id, value);
-		state->opt->name = talloc_strdup(state->opt, value);
+		opt->option->id = talloc_asprintf(opt->option, "%s#%s",
+			conf->dc->device->device->id, value);
+		opt->option->name = talloc_strdup(opt->option, value);
 		return;
 	}
 
 	/* args */
 
 	if (streq(name, "append")) {
-		state->opt->boot_args = talloc_asprintf_append(
-			state->opt->boot_args, "%s ", value);
+		opt->option->boot_args = talloc_asprintf_append(
+			opt->option->boot_args, "%s ", value);
 		return;
 	}
 
 	if (streq(name, "initrd-size")) {
-		state->opt->boot_args = talloc_asprintf_append(
-			state->opt->boot_args, "ramdisk_size=%s ", value);
+		opt->option->boot_args = talloc_asprintf_append(
+			opt->option->boot_args, "ramdisk_size=%s ", value);
 		return;
 	}
 
 	if (streq(name, "literal")) {
-		if (*state->opt->boot_args) {
+		if (*opt->option->boot_args) {
 			pb_log("%s: literal over writes '%s'\n", __func__,
-				state->opt->boot_args);
-			talloc_free(state->opt->boot_args);
+				opt->option->boot_args);
+			talloc_free(opt->option->boot_args);
 		}
-		talloc_asprintf(state->opt, "%s ", value);
+		talloc_asprintf(opt->option, "%s ", value);
 		return;
 	}
 
 	if (streq(name, "ramdisk")) {
-		state->opt->boot_args = talloc_asprintf_append(
-			state->opt->boot_args, "ramdisk=%s ", value);
+		opt->option->boot_args = talloc_asprintf_append(
+			opt->option->boot_args, "ramdisk=%s ", value);
 		return;
 	}
 
 	if (streq(name, "read-only")) {
-		state->opt->boot_args = talloc_asprintf_append(
-			state->opt->boot_args, "ro ");
+		opt->option->boot_args = talloc_asprintf_append(
+			opt->option->boot_args, "ro ");
 		return;
 	}
 
 	if (streq(name, "read-write")) {
-		state->opt->boot_args = talloc_asprintf_append(
-			state->opt->boot_args, "rw ");
+		opt->option->boot_args = talloc_asprintf_append(
+			opt->option->boot_args, "rw ");
 		return;
 	}
 
 	if (streq(name, "root")) {
-		state->opt->boot_args = talloc_asprintf_append(
-			state->opt->boot_args, "root=%s ", value);
+		opt->option->boot_args = talloc_asprintf_append(
+			opt->option->boot_args, "root=%s ", value);
 		return;
 	}
 
@@ -227,20 +282,20 @@ static const char *yaboot_known_names[] = {
 	NULL
 };
 
-static int yaboot_parse(struct discover_context *dc)
+static int yaboot_parse(struct discover_context *dc, char *buf, int len)
 {
 	struct conf_context *conf;
 	struct yaboot_state *state;
-	int rc;
 
 	conf = talloc_zero(dc, struct conf_context);
 
 	if (!conf)
-		return -1;
+		return 0;
 
 	conf->dc = dc;
 	conf->global_options = yaboot_global_options,
-	conf->conf_files = yaboot_conf_files,
+	conf_init_global_options(conf);
+	conf->get_pair = conf_get_pair_equal;
 	conf->process_pair = yaboot_process_pair;
 	conf->finish = yaboot_finish;
 	conf->parser_info = state = talloc_zero(conf, struct yaboot_state);
@@ -249,13 +304,17 @@ static int yaboot_parse(struct discover_context *dc)
 
 	/* opt is persistent, so must be associated with device */
 
-	state->opt = talloc_zero(conf->dc->device, struct boot_option);
-	state->opt->boot_args = talloc_strdup(state->opt, "");
+	state->opt = discover_boot_option_create(conf->dc, conf->dc->device);
+	state->opt->option->boot_args = talloc_strdup(state->opt->option, "");
 
-	rc = conf_parse(conf);
+	conf_parse_buf(conf, buf, len);
 
 	talloc_free(conf);
-	return rc;
+	return 1;
 }
 
-define_parser(yaboot, 99, yaboot_parse);
+struct parser __yaboot_parser = {
+	.name		= "yaboot",
+	.parse		= yaboot_parse,
+	.filenames	= yaboot_conf_files,
+};