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efi_loader: implement deprecated Unicode collation protocol

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In EFI 1.10 a version of the Unicode collation protocol using ISO 639-2
language codes existed. This protocol is not part of the UEFI specification
any longer. Unfortunately it is required to run the UEFI Self Certification
Test (SCT) II, version 2.6, 2017. So we implement it here for the sole
purpose of running the SCT. It can be removed once a compliant SCT is
available.

The configuration option defaults to no.

Signed-off-by: Rob Clark <robdclark@gmail.com>

Most of Rob's original patch is already merged. Only the deprecated
protocol is missing. Rebase it and make it configurable.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2019-05-16 18:19:00 +02:00
parent 95ab381676
commit b1b782d306
5 changed files with 55 additions and 2 deletions
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5
include/efi_api.h
View file

@ -1425,6 +1425,11 @@ struct efi_driver_binding_protocol {
efi_handle_t driver_binding_handle;
};
/* Deprecated version of the Unicode collation protocol */
#define EFI_UNICODE_COLLATION_PROTOCOL_GUID \
EFI_GUID(0x1d85cd7f, 0xf43d, 0x11d2, \
0x9a, 0x0c, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
/* Current version of the Unicode collation protocol */
#define EFI_UNICODE_COLLATION_PROTOCOL2_GUID \
EFI_GUID(0xa4c751fc, 0x23ae, 0x4c3e, \
0x92, 0xe9, 0x49, 0x64, 0xcf, 0x63, 0xf3, 0x49)

7
include/efi_loader.h
View file

@ -106,7 +106,10 @@ extern const struct efi_device_path_to_text_protocol efi_device_path_to_text;
/* implementation of the EFI_DEVICE_PATH_UTILITIES_PROTOCOL */
extern const struct efi_device_path_utilities_protocol
efi_device_path_utilities;
/* Implementation of the EFI_UNICODE_COLLATION_PROTOCOL */
/* deprecated version of the EFI_UNICODE_COLLATION_PROTOCOL */
extern const struct efi_unicode_collation_protocol
efi_unicode_collation_protocol;
/* current version of the EFI_UNICODE_COLLATION_PROTOCOL */
extern const struct efi_unicode_collation_protocol
efi_unicode_collation_protocol2;
extern const struct efi_hii_config_routing_protocol efi_hii_config_routing;
@ -145,6 +148,8 @@ extern const efi_guid_t efi_file_info_guid;
/* GUID for file system information */
extern const efi_guid_t efi_file_system_info_guid;
extern const efi_guid_t efi_guid_device_path_utilities_protocol;
/* GUID of the deprecated Unicode collation protocol */
extern const efi_guid_t efi_guid_unicode_collation_protocol;
/* GUID of the Unicode collation protocol */
extern const efi_guid_t efi_guid_unicode_collation_protocol2;
extern const efi_guid_t efi_guid_hii_config_routing_protocol;

11
lib/efi_loader/Kconfig
View file

@ -54,6 +54,17 @@ config EFI_UNICODE_CAPITALIZATION
set, only the the correct handling of the letters of the codepage
used by the FAT file system is ensured.
config EFI_UNICODE_COLLATION_PROTOCOL
bool "Deprecated version of the Unicode collation protocol"
default n
help
In EFI 1.10 a version of the Unicode collation protocol using ISO
639-2 language codes existed. This protocol is not part of the UEFI
specification any longer. Unfortunately it is required to run the
UEFI Self Certification Test (SCT) II, version 2.6, 2017.
Choose this option for testing only. It is bound to be removed.
endif
config EFI_LOADER_BOUNCE_BUFFER

7
lib/efi_loader/efi_root_node.c
View file

@ -61,7 +61,12 @@ efi_status_t efi_root_node_register(void)
&efi_guid_device_path_utilities_protocol,
(void *)&efi_device_path_utilities,
#if CONFIG_IS_ENABLED(EFI_UNICODE_COLLATION_PROTOCOL2)
/* Unicode collation protocol */
#if CONFIG_IS_ENABLED(EFI_UNICODE_COLLATION_PROTOCOL)
/* Deprecated Unicode collation protocol */
&efi_guid_unicode_collation_protocol,
(void *)&efi_unicode_collation_protocol,
#endif
/* Current Unicode collation protocol */
&efi_guid_unicode_collation_protocol2,
(void *)&efi_unicode_collation_protocol2,
#endif

27
lib/efi_loader/efi_unicode_collation.c
View file

@ -327,3 +327,30 @@ const struct efi_unicode_collation_protocol efi_unicode_collation_protocol2 = {
.str_to_fat = efi_str_to_fat,
.supported_languages = "en",
};
/*
* In EFI 1.10 a version of the Unicode collation protocol using ISO 639-2
* language codes existed. This protocol is not part of the UEFI specification
* any longer. Unfortunately it is required to run the UEFI Self Certification
* Test (SCT) II, version 2.6, 2017. So we implement it here for the sole
* purpose of running the SCT. It can be removed when a compliant SCT is
* available.
*/
#if CONFIG_IS_ENABLED(EFI_UNICODE_COLLATION_PROTOCOL)
/* GUID of the EFI_UNICODE_COLLATION_PROTOCOL */
const efi_guid_t efi_guid_unicode_collation_protocol =
EFI_UNICODE_COLLATION_PROTOCOL_GUID;
const struct efi_unicode_collation_protocol efi_unicode_collation_protocol = {
.stri_coll = efi_stri_coll,
.metai_match = efi_metai_match,
.str_lwr = efi_str_lwr,
.str_upr = efi_str_upr,
.fat_to_str = efi_fat_to_str,
.str_to_fat = efi_str_to_fat,
/* ISO 639-2 language code */
.supported_languages = "eng",
};
#endif