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expo: Add better error reporting

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When building an expo fails, show some information about which node
caused the problem. Use -ENOENT consistently when the ID is missing.
This makes it easier for the user to debug things.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2023-10-01 19:13:22 -06:00 • committed by Tom Rini
parent 37db20d0a6
commit 5fb9e2aab5
1 changed files with 45 additions and 12 deletions
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57
boot/expo_build.c
View file

@ -23,10 +23,14 @@
* if there is nothing for this ID. Since ID 0 is never used, the first
* element of this array is always NULL
* @str_count: Number of entries in @str_for_id
* @err_node: Node being processed (for error reporting)
* @err_prop: Property being processed (for error reporting)
*/
struct build_info {
const char **str_for_id;
int str_count;
ofnode err_node;
const char *err_prop;
};
/**
@ -46,6 +50,7 @@ int add_txt_str(struct build_info *info, ofnode node, struct scene *scn,
uint str_id;
int ret;
info->err_prop = find_name;
text = ofnode_read_string(node, find_name);
if (!text) {
char name[40];
@ -54,7 +59,7 @@ int add_txt_str(struct build_info *info, ofnode node, struct scene *scn,
snprintf(name, sizeof(name), "%s-id", find_name);
ret = ofnode_read_u32(node, name, &id);
if (ret)
return log_msg_ret("id", -EINVAL);
return log_msg_ret("id", -ENOENT);
if (id >= info->str_count)
return log_msg_ret("id", -E2BIG);
@ -164,9 +169,10 @@ static int read_strings(struct build_info *info, ofnode root)
int ret;
u32 id;
info->err_node = node;
ret = ofnode_read_u32(node, "id", &id);
if (ret)
return log_msg_ret("id", -EINVAL);
return log_msg_ret("id", -ENOENT);
val = ofnode_read_string(node, "value");
if (!val)
return log_msg_ret("val", -EINVAL);
@ -241,6 +247,8 @@ static int menu_build(struct build_info *info, ofnode node, struct scene *scn,
return log_msg_ret("tit", ret);
title_id = ret;
ret = scene_menu_set_title(scn, menu_id, title_id);
if (ret)
return log_msg_ret("set", ret);
item_ids = ofnode_read_prop(node, "item-id", &size);
if (!item_ids)
@ -300,7 +308,7 @@ static int obj_build(struct build_info *info, ofnode node, struct scene *scn)
log_debug("- object %s\n", ofnode_get_name(node));
ret = ofnode_read_u32(node, "id", &id);
if (ret)
return log_msg_ret("id", -EINVAL);
return log_msg_ret("id", -ENOENT);
type = ofnode_read_string(node, "type");
if (!type)
@ -308,8 +316,8 @@ static int obj_build(struct build_info *info, ofnode node, struct scene *scn)
if (!strcmp("menu", type))
ret = menu_build(info, node, scn, id, &obj);
else
ret = -EINVAL;
else
ret = -EOPNOTSUPP;
if (ret)
return log_msg_ret("bld", ret);
@ -341,11 +349,12 @@ static int scene_build(struct build_info *info, ofnode scn_node,
ofnode node;
int ret;
info->err_node = scn_node;
name = ofnode_get_name(scn_node);
log_debug("Building scene %s\n", name);
ret = ofnode_read_u32(scn_node, "id", &id);
if (ret)
return log_msg_ret("id", -EINVAL);
return log_msg_ret("id", -ENOENT);
ret = scene_new(exp, name, id, &scn);
if (ret < 0)
@ -362,6 +371,7 @@ static int scene_build(struct build_info *info, ofnode scn_node,
return log_msg_ret("pr", ret);
ofnode_for_each_subnode(node, scn_node) {
info->err_node = node;
ret = obj_build(info, node, scn);
if (ret < 0)
return log_msg_ret("mit", ret);
@ -370,20 +380,19 @@ static int scene_build(struct build_info *info, ofnode scn_node,
return 0;
}
int expo_build(ofnode root, struct expo **expp)
int build_it(struct build_info *info, ofnode root, struct expo **expp)
{
struct build_info info;
ofnode scenes, node;
struct expo *exp;
u32 dyn_start;
int ret;
memset(&info, '\0', sizeof(info));
ret = read_strings(&info, root);
ret = read_strings(info, root);
if (ret)
return log_msg_ret("str", ret);
if (_DEBUG)
list_strings(&info);
list_strings(info);
info->err_node = root;
ret = expo_new("name", NULL, &exp);
if (ret)
@ -397,7 +406,7 @@ int expo_build(ofnode root, struct expo **expp)
return log_msg_ret("sno", -EINVAL);
ofnode_for_each_subnode(node, scenes) {
ret = scene_build(&info, node, exp);
ret = scene_build(info, node, exp);
if (ret < 0)
return log_msg_ret("scn", ret);
}
@ -405,3 +414,27 @@ int expo_build(ofnode root, struct expo **expp)
return 0;
}
int expo_build(ofnode root, struct expo **expp)
{
struct build_info info;
struct expo *exp;
int ret;
memset(&info, '\0', sizeof(info));
ret = build_it(&info, root, &exp);
if (ret) {
char buf[120];
int node_ret;
node_ret = ofnode_get_path(info.err_node, buf, sizeof(buf));
log_warning("Build failed at node %s, property %s\n",
node_ret ? ofnode_get_name(info.err_node) : buf,
info.err_prop);
return log_msg_ret("bui", ret);
}
*expp = exp;
return 0;
}