u-boot/lib/efi_loader/efi_hii.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* EFI Human Interface Infrastructure ... database and packages
*
* Copyright (c) 2017 Leif Lindholm
* Copyright (c) 2018 AKASHI Takahiro, Linaro Limited
*/
#include <common.h>
#include <efi_loader.h>
#include <malloc.h>
#include <asm/unaligned.h>
const efi_guid_t efi_guid_hii_database_protocol
= EFI_HII_DATABASE_PROTOCOL_GUID;
const efi_guid_t efi_guid_hii_string_protocol = EFI_HII_STRING_PROTOCOL_GUID;
static LIST_HEAD(efi_package_lists);
static LIST_HEAD(efi_keyboard_layout_list);
struct efi_hii_packagelist {
struct list_head link;
// TODO should there be an associated efi_object?
efi_handle_t driver_handle;
u32 max_string_id;
struct list_head string_tables; /* list of efi_string_table */
struct list_head guid_list;
struct list_head keyboard_packages;
/* we could also track fonts, images, etc */
};
static int efi_hii_packagelist_exists(efi_hii_handle_t package_list)
{
struct efi_hii_packagelist *hii;
int found = 0;
list_for_each_entry(hii, &efi_package_lists, link) {
if (hii == package_list) {
found = 1;
break;
}
}
return found;
}
static u32 efi_hii_package_type(struct efi_hii_package_header *header)
{
u32 fields;
fields = get_unaligned_le32(&header->fields);
return (fields >> __EFI_HII_PACKAGE_TYPE_SHIFT)
& __EFI_HII_PACKAGE_TYPE_MASK;
}
static u32 efi_hii_package_len(struct efi_hii_package_header *header)
{
u32 fields;
fields = get_unaligned_le32(&header->fields);
return (fields >> __EFI_HII_PACKAGE_LEN_SHIFT)
& __EFI_HII_PACKAGE_LEN_MASK;
}
struct efi_string_info {
efi_string_t string;
/* we could also track font info, etc */
};
struct efi_string_table {
struct list_head link;
efi_string_id_t language_name;
char *language;
u32 nstrings;
/*
* NOTE:
* string id starts at 1 so value is stbl->strings[id-1],
* and strings[] is a array of stbl->nstrings elements
*/
struct efi_string_info *strings;
};
struct efi_guid_data {
struct list_head link;
struct efi_hii_guid_package package;
};
struct efi_keyboard_layout_data {
struct list_head link; /* in package */
struct list_head link_sys; /* in global list */
struct efi_hii_keyboard_layout keyboard_layout;
};
struct efi_keyboard_package_data {
struct list_head link; /* in package_list */
struct list_head keyboard_layout_list;
};
static void free_strings_table(struct efi_string_table *stbl)
{
int i;
for (i = 0; i < stbl->nstrings; i++)
free(stbl->strings[i].string);
free(stbl->strings);
free(stbl->language);
free(stbl);
}
static void remove_strings_package(struct efi_hii_packagelist *hii)
{
while (!list_empty(&hii->string_tables)) {
struct efi_string_table *stbl;
stbl = list_first_entry(&hii->string_tables,
struct efi_string_table, link);
list_del(&stbl->link);
free_strings_table(stbl);
}
}
static efi_status_t
add_strings_package(struct efi_hii_packagelist *hii,
struct efi_hii_strings_package *strings_package)
{
struct efi_hii_string_block *block;
void *end;
u32 nstrings = 0, idx = 0;
struct efi_string_table *stbl = NULL;
efi_status_t ret;
EFI_PRINT("header_size: %08x\n",
get_unaligned_le32(&strings_package->header_size));
EFI_PRINT("string_info_offset: %08x\n",
get_unaligned_le32(&strings_package->string_info_offset));
EFI_PRINT("language_name: %u\n",
get_unaligned_le16(&strings_package->language_name));
EFI_PRINT("language: %s\n", strings_package->language);
/* count # of string entries: */
end = ((void *)strings_package)
+ efi_hii_package_len(&strings_package->header);
block = ((void *)strings_package)
+ get_unaligned_le32(&strings_package->string_info_offset);
while ((void *)block < end) {
switch (block->block_type) {
case EFI_HII_SIBT_STRING_UCS2: {
struct efi_hii_sibt_string_ucs2_block *ucs2;
ucs2 = (void *)block;
nstrings++;
block = efi_hii_sibt_string_ucs2_block_next(ucs2);
break;
}
case EFI_HII_SIBT_END:
block = end;
break;
default:
EFI_PRINT("unknown HII string block type: %02x\n",
block->block_type);
return EFI_INVALID_PARAMETER;
}
}
stbl = calloc(sizeof(*stbl), 1);
if (!stbl) {
ret = EFI_OUT_OF_RESOURCES;
goto error;
}
stbl->strings = calloc(sizeof(stbl->strings[0]), nstrings);
if (!stbl->strings) {
ret = EFI_OUT_OF_RESOURCES;
goto error;
}
stbl->language_name =
get_unaligned_le16(&strings_package->language_name);
stbl->language = strdup((char *)strings_package->language);
if (!stbl->language) {
ret = EFI_OUT_OF_RESOURCES;
goto error;
}
stbl->nstrings = nstrings;
/* and now parse string entries and populate efi_string_table */
block = ((void *)strings_package)
+ get_unaligned_le32(&strings_package->string_info_offset);
while ((void *)block < end) {
switch (block->block_type) {
case EFI_HII_SIBT_STRING_UCS2: {
struct efi_hii_sibt_string_ucs2_block *ucs2;
ucs2 = (void *)block;
EFI_PRINT("%4u: \"%ls\"\n", idx + 1, ucs2->string_text);
stbl->strings[idx].string =
u16_strdup(ucs2->string_text);
if (!stbl->strings[idx].string) {
ret = EFI_OUT_OF_RESOURCES;
goto error;
}
idx++;
/* FIXME: accessing u16 * here */
block = efi_hii_sibt_string_ucs2_block_next(ucs2);
break;
}
case EFI_HII_SIBT_END:
goto out;
default:
EFI_PRINT("unknown HII string block type: %02x\n",
block->block_type);
ret = EFI_INVALID_PARAMETER;
goto error;
}
}
out:
list_add(&stbl->link, &hii->string_tables);
if (hii->max_string_id < nstrings)
hii->max_string_id = nstrings;
return EFI_SUCCESS;
error:
if (stbl) {
free(stbl->language);
while (idx > 0)
free(stbl->strings[--idx].string);
free(stbl->strings);
}
free(stbl);
return ret;
}
static void remove_guid_package(struct efi_hii_packagelist *hii)
{
struct efi_guid_data *data;
while (!list_empty(&hii->guid_list)) {
data = list_first_entry(&hii->guid_list,
struct efi_guid_data, link);
list_del(&data->link);
free(data);
}
}
static efi_status_t
add_guid_package(struct efi_hii_packagelist *hii,
struct efi_hii_guid_package *package)
{
struct efi_guid_data *data;
data = calloc(sizeof(*data), 1);
if (!data)
return EFI_OUT_OF_RESOURCES;
/* TODO: we don't know any about data field */
memcpy(&data->package, package, sizeof(*package));
list_add_tail(&data->link, &hii->guid_list);
return EFI_SUCCESS;
}
static void free_keyboard_layouts(struct efi_keyboard_package_data *package)
{
struct efi_keyboard_layout_data *layout_data;
while (!list_empty(&package->keyboard_layout_list)) {
layout_data = list_first_entry(&package->keyboard_layout_list,
struct efi_keyboard_layout_data,
link);
list_del(&layout_data->link);
list_del(&layout_data->link_sys);
free(layout_data);
}
}
static void remove_keyboard_package(struct efi_hii_packagelist *hii)
{
struct efi_keyboard_package_data *package;
while (!list_empty(&hii->keyboard_packages)) {
package = list_first_entry(&hii->keyboard_packages,
struct efi_keyboard_package_data,
link);
free_keyboard_layouts(package);
list_del(&package->link);
free(package);
}
}
static efi_status_t
add_keyboard_package(struct efi_hii_packagelist *hii,
struct efi_hii_keyboard_package *keyboard_package)
{
struct efi_keyboard_package_data *package_data;
struct efi_hii_keyboard_layout *layout;
struct efi_keyboard_layout_data *layout_data;
u16 layout_count, layout_length;
int i;
package_data = malloc(sizeof(*package_data));
if (!package_data)
return EFI_OUT_OF_RESOURCES;
INIT_LIST_HEAD(&package_data->link);
INIT_LIST_HEAD(&package_data->keyboard_layout_list);
layout = &keyboard_package->layout[0];
layout_count = get_unaligned_le16(&keyboard_package->layout_count);
for (i = 0; i < layout_count; i++) {
layout_length = get_unaligned_le16(&layout->layout_length);
layout_data = malloc(sizeof(*layout_data) + layout_length);
if (!layout_data)
goto out;
memcpy(&layout_data->keyboard_layout, layout, layout_length);
list_add_tail(&layout_data->link,
&package_data->keyboard_layout_list);
list_add_tail(&layout_data->link_sys,
&efi_keyboard_layout_list);
layout += layout_length;
}
list_add_tail(&package_data->link, &hii->keyboard_packages);
return EFI_SUCCESS;
out:
free_keyboard_layouts(package_data);
free(package_data);
return EFI_OUT_OF_RESOURCES;
}
static struct efi_hii_packagelist *new_packagelist(void)
{
struct efi_hii_packagelist *hii;
hii = malloc(sizeof(*hii));
list_add_tail(&hii->link, &efi_package_lists);
hii->max_string_id = 0;
INIT_LIST_HEAD(&hii->string_tables);
INIT_LIST_HEAD(&hii->guid_list);
INIT_LIST_HEAD(&hii->keyboard_packages);
return hii;
}
static void free_packagelist(struct efi_hii_packagelist *hii)
{
remove_strings_package(hii);
remove_guid_package(hii);
remove_keyboard_package(hii);
list_del(&hii->link);
free(hii);
}
static efi_status_t
add_packages(struct efi_hii_packagelist *hii,
const struct efi_hii_package_list_header *package_list)
{
struct efi_hii_package_header *package;
void *end;
efi_status_t ret = EFI_SUCCESS;
end = ((void *)package_list)
+ get_unaligned_le32(&package_list->package_length);
EFI_PRINT("package_list: %pUs (%u)\n", &package_list->package_list_guid,
get_unaligned_le32(&package_list->package_length));
package = ((void *)package_list) + sizeof(*package_list);
while ((void *)package < end) {
EFI_PRINT("package=%p, package type=%x, length=%u\n", package,
efi_hii_package_type(package),
efi_hii_package_len(package));
switch (efi_hii_package_type(package)) {
case EFI_HII_PACKAGE_TYPE_GUID:
ret = add_guid_package(hii,
(struct efi_hii_guid_package *)package);
break;
case EFI_HII_PACKAGE_FORMS:
EFI_PRINT("Form package not supported\n");
ret = EFI_INVALID_PARAMETER;
break;
case EFI_HII_PACKAGE_STRINGS:
ret = add_strings_package(hii,
(struct efi_hii_strings_package *)package);
break;
case EFI_HII_PACKAGE_FONTS:
EFI_PRINT("Font package not supported\n");
ret = EFI_INVALID_PARAMETER;
break;
case EFI_HII_PACKAGE_IMAGES:
EFI_PRINT("Image package not supported\n");
ret = EFI_INVALID_PARAMETER;
break;
case EFI_HII_PACKAGE_SIMPLE_FONTS:
EFI_PRINT("Simple font package not supported\n");
ret = EFI_INVALID_PARAMETER;
break;
case EFI_HII_PACKAGE_DEVICE_PATH:
EFI_PRINT("Device path package not supported\n");
ret = EFI_INVALID_PARAMETER;
break;
case EFI_HII_PACKAGE_KEYBOARD_LAYOUT:
ret = add_keyboard_package(hii,
(struct efi_hii_keyboard_package *)package);
break;
case EFI_HII_PACKAGE_ANIMATIONS:
EFI_PRINT("Animation package not supported\n");
ret = EFI_INVALID_PARAMETER;
break;
case EFI_HII_PACKAGE_END:
goto out;
case EFI_HII_PACKAGE_TYPE_SYSTEM_BEGIN:
case EFI_HII_PACKAGE_TYPE_SYSTEM_END:
default:
break;
}
if (ret != EFI_SUCCESS)
return ret;
package = (void *)package + efi_hii_package_len(package);
}
out:
// TODO in theory there is some notifications that should be sent..
return EFI_SUCCESS;
}
/*
* EFI_HII_DATABASE_PROTOCOL
*/
static efi_status_t EFIAPI
new_package_list(const struct efi_hii_database_protocol *this,
const struct efi_hii_package_list_header *package_list,
const efi_handle_t driver_handle,
efi_hii_handle_t *handle)
{
struct efi_hii_packagelist *hii;
efi_status_t ret;
EFI_ENTRY("%p, %p, %p, %p", this, package_list, driver_handle, handle);
if (!package_list || !handle)
return EFI_EXIT(EFI_INVALID_PARAMETER);
hii = new_packagelist();
if (!hii)
return EFI_EXIT(EFI_OUT_OF_RESOURCES);
ret = add_packages(hii, package_list);
if (ret != EFI_SUCCESS) {
free_packagelist(hii);
return EFI_EXIT(ret);
}
hii->driver_handle = driver_handle;
*handle = hii;
return EFI_EXIT(EFI_SUCCESS);
}
static efi_status_t EFIAPI
remove_package_list(const struct efi_hii_database_protocol *this,
efi_hii_handle_t handle)
{
struct efi_hii_packagelist *hii = handle;
EFI_ENTRY("%p, %p", this, handle);
if (!handle || !efi_hii_packagelist_exists(handle))
return EFI_EXIT(EFI_NOT_FOUND);
free_packagelist(hii);
return EFI_EXIT(EFI_SUCCESS);
}
static efi_status_t EFIAPI
update_package_list(const struct efi_hii_database_protocol *this,
efi_hii_handle_t handle,
const struct efi_hii_package_list_header *package_list)
{
struct efi_hii_packagelist *hii = handle;
struct efi_hii_package_header *package;
void *end;
efi_status_t ret = EFI_SUCCESS;
EFI_ENTRY("%p, %p, %p", this, handle, package_list);
if (!handle || !efi_hii_packagelist_exists(handle))
return EFI_EXIT(EFI_NOT_FOUND);
if (!package_list)
return EFI_EXIT(EFI_INVALID_PARAMETER);
EFI_PRINT("package_list: %pUs (%u)\n", &package_list->package_list_guid,
get_unaligned_le32(&package_list->package_length));
package = ((void *)package_list) + sizeof(*package_list);
end = ((void *)package_list)
+ get_unaligned_le32(&package_list->package_length);
while ((void *)package < end) {
EFI_PRINT("package=%p, package type=%x, length=%u\n", package,
efi_hii_package_type(package),
efi_hii_package_len(package));
switch (efi_hii_package_type(package)) {
case EFI_HII_PACKAGE_TYPE_GUID:
remove_guid_package(hii);
break;
case EFI_HII_PACKAGE_FORMS:
EFI_PRINT("Form package not supported\n");
ret = EFI_INVALID_PARAMETER;
break;
case EFI_HII_PACKAGE_STRINGS:
remove_strings_package(hii);
break;
case EFI_HII_PACKAGE_FONTS:
EFI_PRINT("Font package not supported\n");
ret = EFI_INVALID_PARAMETER;
break;
case EFI_HII_PACKAGE_IMAGES:
EFI_PRINT("Image package not supported\n");
ret = EFI_INVALID_PARAMETER;
break;
case EFI_HII_PACKAGE_SIMPLE_FONTS:
EFI_PRINT("Simple font package not supported\n");
ret = EFI_INVALID_PARAMETER;
break;
case EFI_HII_PACKAGE_DEVICE_PATH:
EFI_PRINT("Device path package not supported\n");
ret = EFI_INVALID_PARAMETER;
break;
case EFI_HII_PACKAGE_KEYBOARD_LAYOUT:
remove_keyboard_package(hii);
break;
case EFI_HII_PACKAGE_ANIMATIONS:
EFI_PRINT("Animation package not supported\n");
ret = EFI_INVALID_PARAMETER;
break;
case EFI_HII_PACKAGE_END:
goto out;
case EFI_HII_PACKAGE_TYPE_SYSTEM_BEGIN:
case EFI_HII_PACKAGE_TYPE_SYSTEM_END:
default:
break;
}
/* TODO: already removed some packages */
if (ret != EFI_SUCCESS)
return EFI_EXIT(ret);
package = ((void *)package)
+ efi_hii_package_len(package);
}
out:
ret = add_packages(hii, package_list);
return EFI_EXIT(ret);
}
static efi_status_t EFIAPI
list_package_lists(const struct efi_hii_database_protocol *this,
u8 package_type,
const efi_guid_t *package_guid,
efi_uintn_t *handle_buffer_length,
efi_hii_handle_t *handle)
{
struct efi_hii_packagelist *hii =
(struct efi_hii_packagelist *)handle;
int package_cnt, package_max;
efi_status_t ret = EFI_NOT_FOUND;
EFI_ENTRY("%p, %u, %pUs, %p, %p", this, package_type, package_guid,
handle_buffer_length, handle);
if (!handle_buffer_length ||
(*handle_buffer_length && !handle)) {
ret = EFI_INVALID_PARAMETER;
goto out;
}
if ((package_type != EFI_HII_PACKAGE_TYPE_GUID && package_guid) ||
(package_type == EFI_HII_PACKAGE_TYPE_GUID && !package_guid)) {
ret = EFI_INVALID_PARAMETER;
goto out;
}
EFI_PRINT("package type=%x, guid=%pUs, length=%zu\n", (int)package_type,
package_guid, *handle_buffer_length);
package_cnt = 0;
package_max = *handle_buffer_length / sizeof(*handle);
list_for_each_entry(hii, &efi_package_lists, link) {
switch (package_type) {
case EFI_HII_PACKAGE_TYPE_ALL:
break;
case EFI_HII_PACKAGE_TYPE_GUID:
if (!list_empty(&hii->guid_list))
break;
continue;
case EFI_HII_PACKAGE_STRINGS:
if (!list_empty(&hii->string_tables))
break;
continue;
case EFI_HII_PACKAGE_KEYBOARD_LAYOUT:
if (!list_empty(&hii->keyboard_packages))
break;
continue;
default:
continue;
}
package_cnt++;
if (package_cnt <= package_max) {
*handle++ = hii;
ret = EFI_SUCCESS;
} else {
ret = EFI_BUFFER_TOO_SMALL;
}
}
*handle_buffer_length = package_cnt * sizeof(*handle);
out:
return EFI_EXIT(ret);
}
static efi_status_t EFIAPI
export_package_lists(const struct efi_hii_database_protocol *this,
efi_hii_handle_t handle,
efi_uintn_t *buffer_size,
struct efi_hii_package_list_header *buffer)
{
EFI_ENTRY("%p, %p, %p, %p", this, handle, buffer_size, buffer);
if (!buffer_size || !buffer)
return EFI_EXIT(EFI_INVALID_PARAMETER);
return EFI_EXIT(EFI_NOT_FOUND);
}
static efi_status_t EFIAPI
register_package_notify(const struct efi_hii_database_protocol *this,
u8 package_type,
const efi_guid_t *package_guid,
const void *package_notify_fn,
efi_uintn_t notify_type,
efi_handle_t *notify_handle)
{
EFI_ENTRY("%p, %u, %pUs, %p, %zu, %p", this, package_type,
package_guid, package_notify_fn, notify_type,
notify_handle);
if (!notify_handle)
return EFI_EXIT(EFI_INVALID_PARAMETER);
if ((package_type != EFI_HII_PACKAGE_TYPE_GUID && package_guid) ||
(package_type == EFI_HII_PACKAGE_TYPE_GUID && !package_guid))
return EFI_EXIT(EFI_INVALID_PARAMETER);
return EFI_EXIT(EFI_OUT_OF_RESOURCES);
}
static efi_status_t EFIAPI
unregister_package_notify(const struct efi_hii_database_protocol *this,
efi_handle_t notification_handle)
{
EFI_ENTRY("%p, %p", this, notification_handle);
return EFI_EXIT(EFI_NOT_FOUND);
}
static efi_status_t EFIAPI
find_keyboard_layouts(const struct efi_hii_database_protocol *this,
u16 *key_guid_buffer_length,
efi_guid_t *key_guid_buffer)
{
struct efi_keyboard_layout_data *layout_data;
int package_cnt, package_max;
efi_status_t ret = EFI_SUCCESS;
EFI_ENTRY("%p, %p, %p", this, key_guid_buffer_length, key_guid_buffer);
if (!key_guid_buffer_length ||
(*key_guid_buffer_length && !key_guid_buffer))
return EFI_EXIT(EFI_INVALID_PARAMETER);
package_cnt = 0;
package_max = *key_guid_buffer_length / sizeof(*key_guid_buffer);
list_for_each_entry(layout_data, &efi_keyboard_layout_list, link_sys) {
package_cnt++;
if (package_cnt <= package_max)
memcpy(key_guid_buffer++,
&layout_data->keyboard_layout.guid,
sizeof(*key_guid_buffer));
else
ret = EFI_BUFFER_TOO_SMALL;
}
*key_guid_buffer_length = package_cnt * sizeof(*key_guid_buffer);
return EFI_EXIT(ret);
}
static efi_status_t EFIAPI
get_keyboard_layout(const struct efi_hii_database_protocol *this,
efi_guid_t *key_guid,
u16 *keyboard_layout_length,
struct efi_hii_keyboard_layout *keyboard_layout)
{
struct efi_keyboard_layout_data *layout_data;
u16 layout_length;
EFI_ENTRY("%p, %pUs, %p, %p", this, key_guid, keyboard_layout_length,
keyboard_layout);
if (!keyboard_layout_length ||
(*keyboard_layout_length && !keyboard_layout))
return EFI_EXIT(EFI_INVALID_PARAMETER);
/* TODO: no notion of current keyboard layout */
if (!key_guid)
return EFI_EXIT(EFI_INVALID_PARAMETER);
list_for_each_entry(layout_data, &efi_keyboard_layout_list, link_sys) {
if (!guidcmp(&layout_data->keyboard_layout.guid, key_guid))
goto found;
}
return EFI_EXIT(EFI_NOT_FOUND);
found:
layout_length =
get_unaligned_le16(&layout_data->keyboard_layout.layout_length);
if (*keyboard_layout_length < layout_length) {
*keyboard_layout_length = layout_length;
return EFI_EXIT(EFI_BUFFER_TOO_SMALL);
}
memcpy(keyboard_layout, &layout_data->keyboard_layout, layout_length);
return EFI_EXIT(EFI_SUCCESS);
}
static efi_status_t EFIAPI
set_keyboard_layout(const struct efi_hii_database_protocol *this,
efi_guid_t *key_guid)
{
EFI_ENTRY("%p, %pUs", this, key_guid);
if (!key_guid)
return EFI_EXIT(EFI_INVALID_PARAMETER);
return EFI_EXIT(EFI_NOT_FOUND);
}
static efi_status_t EFIAPI
get_package_list_handle(const struct efi_hii_database_protocol *this,
efi_hii_handle_t package_list_handle,
efi_handle_t *driver_handle)
{
struct efi_hii_packagelist *hii;
EFI_ENTRY("%p, %p, %p", this, package_list_handle, driver_handle);
if (!driver_handle)
return EFI_EXIT(EFI_INVALID_PARAMETER);
list_for_each_entry(hii, &efi_package_lists, link) {
if (hii == package_list_handle) {
*driver_handle = hii->driver_handle;
return EFI_EXIT(EFI_SUCCESS);
}
}
return EFI_EXIT(EFI_INVALID_PARAMETER);
}
const struct efi_hii_database_protocol efi_hii_database = {
.new_package_list = new_package_list,
.remove_package_list = remove_package_list,
.update_package_list = update_package_list,
.list_package_lists = list_package_lists,
.export_package_lists = export_package_lists,
.register_package_notify = register_package_notify,
.unregister_package_notify = unregister_package_notify,
.find_keyboard_layouts = find_keyboard_layouts,
.get_keyboard_layout = get_keyboard_layout,
.set_keyboard_layout = set_keyboard_layout,
.get_package_list_handle = get_package_list_handle
};
/*
* EFI_HII_STRING_PROTOCOL
*/
static bool language_match(char *language, char *languages)
{
size_t n;
n = strlen(language);
/* match primary language? */
if (!strncasecmp(language, languages, n) &&
(languages[n] == ';' || languages[n] == '\0'))
return true;
return false;
}
static efi_status_t EFIAPI
new_string(const struct efi_hii_string_protocol *this,
efi_hii_handle_t package_list,
efi_string_id_t *string_id,
const u8 *language,
const u16 *language_name,
const efi_string_t string,
const struct efi_font_info *string_font_info)
{
struct efi_hii_packagelist *hii = package_list;
struct efi_string_table *stbl;
EFI_ENTRY("%p, %p, %p, \"%s\", %p, \"%ls\", %p", this, package_list,
string_id, language, language_name, string,
string_font_info);
if (!package_list || !efi_hii_packagelist_exists(package_list))
return EFI_EXIT(EFI_NOT_FOUND);
if (!string_id || !language || !string)
return EFI_EXIT(EFI_INVALID_PARAMETER);
list_for_each_entry(stbl, &hii->string_tables, link) {
if (language_match((char *)language, stbl->language)) {
efi_string_id_t new_id;
void *buf;
efi_string_t str;
new_id = ++hii->max_string_id;
if (stbl->nstrings < new_id) {
buf = realloc(stbl->strings,
sizeof(stbl->strings[0])
* new_id);
if (!buf)
return EFI_EXIT(EFI_OUT_OF_RESOURCES);
memset(&stbl->strings[stbl->nstrings], 0,
(new_id - stbl->nstrings)
* sizeof(stbl->strings[0]));
stbl->strings = buf;
stbl->nstrings = new_id;
}
str = u16_strdup(string);
if (!str)
return EFI_EXIT(EFI_OUT_OF_RESOURCES);
stbl->strings[new_id - 1].string = str;
*string_id = new_id;
return EFI_EXIT(EFI_SUCCESS);
}
}
return EFI_EXIT(EFI_NOT_FOUND);
}
static efi_status_t EFIAPI
get_string(const struct efi_hii_string_protocol *this,
const u8 *language,
efi_hii_handle_t package_list,
efi_string_id_t string_id,
efi_string_t string,
efi_uintn_t *string_size,
struct efi_font_info **string_font_info)
{
struct efi_hii_packagelist *hii = package_list;
struct efi_string_table *stbl;
EFI_ENTRY("%p, \"%s\", %p, %u, %p, %p, %p", this, language,
package_list, string_id, string, string_size,
string_font_info);
if (!package_list || !efi_hii_packagelist_exists(package_list))
return EFI_EXIT(EFI_NOT_FOUND);
list_for_each_entry(stbl, &hii->string_tables, link) {
if (language_match((char *)language, stbl->language)) {
efi_string_t str;
size_t len;
if (stbl->nstrings < string_id)
return EFI_EXIT(EFI_NOT_FOUND);
str = stbl->strings[string_id - 1].string;
if (str) {
len = u16_strsize(str);
if (*string_size < len) {
*string_size = len;
return EFI_EXIT(EFI_BUFFER_TOO_SMALL);
}
memcpy(string, str, len);
*string_size = len;
} else {
return EFI_EXIT(EFI_NOT_FOUND);
}
return EFI_EXIT(EFI_SUCCESS);
}
}
return EFI_EXIT(EFI_NOT_FOUND);
}
static efi_status_t EFIAPI
set_string(const struct efi_hii_string_protocol *this,
efi_hii_handle_t package_list,
efi_string_id_t string_id,
const u8 *language,
const efi_string_t string,
const struct efi_font_info *string_font_info)
{
struct efi_hii_packagelist *hii = package_list;
struct efi_string_table *stbl;
EFI_ENTRY("%p, %p, %u, \"%s\", \"%ls\", %p", this, package_list,
string_id, language, string, string_font_info);
if (!package_list || !efi_hii_packagelist_exists(package_list))
return EFI_EXIT(EFI_NOT_FOUND);
if (string_id > hii->max_string_id)
return EFI_EXIT(EFI_NOT_FOUND);
if (!string || !language)
return EFI_EXIT(EFI_INVALID_PARAMETER);
list_for_each_entry(stbl, &hii->string_tables, link) {
if (language_match((char *)language, stbl->language)) {
efi_string_t str;
if (hii->max_string_id < string_id)
return EFI_EXIT(EFI_NOT_FOUND);
if (stbl->nstrings < string_id) {
void *buf;
buf = realloc(stbl->strings,
string_id
* sizeof(stbl->strings[0]));
if (!buf)
return EFI_EXIT(EFI_OUT_OF_RESOURCES);
memset(&stbl->strings[string_id - 1], 0,
(string_id - stbl->nstrings)
* sizeof(stbl->strings[0]));
stbl->strings = buf;
}
str = u16_strdup(string);
if (!str)
return EFI_EXIT(EFI_OUT_OF_RESOURCES);
free(stbl->strings[string_id - 1].string);
stbl->strings[string_id - 1].string = str;
return EFI_EXIT(EFI_SUCCESS);
}
}
return EFI_EXIT(EFI_NOT_FOUND);
}
static efi_status_t EFIAPI
get_languages(const struct efi_hii_string_protocol *this,
efi_hii_handle_t package_list,
u8 *languages,
efi_uintn_t *languages_size)
{
struct efi_hii_packagelist *hii = package_list;
struct efi_string_table *stbl;
size_t len = 0;
char *p;
EFI_ENTRY("%p, %p, %p, %p", this, package_list, languages,
languages_size);
if (!package_list || !efi_hii_packagelist_exists(package_list))
return EFI_EXIT(EFI_NOT_FOUND);
if (!languages_size ||
(*languages_size && !languages))
return EFI_EXIT(EFI_INVALID_PARAMETER);
/* figure out required size: */
list_for_each_entry(stbl, &hii->string_tables, link) {
len += strlen((char *)stbl->language) + 1;
}
if (*languages_size < len) {
*languages_size = len;
return EFI_EXIT(EFI_BUFFER_TOO_SMALL);
}
p = (char *)languages;
list_for_each_entry(stbl, &hii->string_tables, link) {
if (p != (char *)languages)
*p++ = ';';
strcpy(p, stbl->language);
p += strlen((char *)stbl->language);
}
*p = '\0';
EFI_PRINT("languages: %s\n", languages);
return EFI_EXIT(EFI_SUCCESS);
}
static efi_status_t EFIAPI
get_secondary_languages(const struct efi_hii_string_protocol *this,
efi_hii_handle_t package_list,
const u8 *primary_language,
u8 *secondary_languages,
efi_uintn_t *secondary_languages_size)
{
struct efi_hii_packagelist *hii = package_list;
struct efi_string_table *stbl;
bool found = false;
EFI_ENTRY("%p, %p, \"%s\", %p, %p", this, package_list,
primary_language, secondary_languages,
secondary_languages_size);
if (!package_list || !efi_hii_packagelist_exists(package_list))
return EFI_EXIT(EFI_NOT_FOUND);
if (!secondary_languages_size ||
(*secondary_languages_size && !secondary_languages))
return EFI_EXIT(EFI_INVALID_PARAMETER);
list_for_each_entry(stbl, &hii->string_tables, link) {
if (language_match((char *)primary_language, stbl->language)) {
found = true;
break;
}
}
if (!found)
return EFI_EXIT(EFI_INVALID_LANGUAGE);
/*
* TODO: What is secondary language?
* *secondary_languages = '\0';
* *secondary_languages_size = 0;
*/
return EFI_EXIT(EFI_NOT_FOUND);
}
const struct efi_hii_string_protocol efi_hii_string = {
.new_string = new_string,
.get_string = get_string,
.set_string = set_string,
.get_languages = get_languages,
.get_secondary_languages = get_secondary_languages
};