efi_loader: make Unicode collation protocol customizable

The Unicode collation protocol is not needed for EBBR compliance. So let's
make it a customizable option.

The Unicode capitalization table is only needed by this protocol. So let it
depend on the Unicode collation protocol.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>

diff --git a/lib/efi_loader/Kconfig b/lib/efi_loader/Kconfig
index 2b7ac68..3feb04a 100644 (file)
--- a/lib/efi_loader/Kconfig
+++ b/lib/efi_loader/Kconfig
@@ -29,6 +29,15 @@ config EFI_LOADER_HII
          U-Boot implements enough of its features to be able to run the UEFI
          Shell, but not more than that.
 
+config EFI_UNICODE_COLLATION_PROTOCOL
+       bool "Unicode collation protocol"
+       default y
+       help
+         The Unicode collation protocol is used for lexical comparisons. It is
+         required to run the UEFI shell.
+
+if EFI_UNICODE_COLLATION_PROTOCOL
+
 config EFI_UNICODE_CAPITALIZATION
        bool "Support Unicode capitalization"
        default y
@@ -38,6 +47,8 @@ config EFI_UNICODE_CAPITALIZATION
          set, only the the correct handling of the letters of the codepage
          used by the FAT file system is ensured.
 
+endif
+
 config EFI_LOADER_BOUNCE_BUFFER
        bool "EFI Applications use bounce buffers for DMA operations"
        depends on ARM64

diff --git a/lib/efi_loader/Makefile b/lib/efi_loader/Makefile
index e6bbe43..2b1ae61 100644 (file)
--- a/lib/efi_loader/Makefile
+++ b/lib/efi_loader/Makefile
@@ -30,7 +30,7 @@ obj-y += efi_memory.o
 obj-y += efi_root_node.o
 obj-y += efi_runtime.o
 obj-y += efi_setup.o
-obj-y += efi_unicode_collation.o
+obj-$(CONFIG_EFI_UNICODE_COLLATION_PROTOCOL) += efi_unicode_collation.o
 obj-y += efi_variable.o
 obj-y += efi_watchdog.o
 obj-$(CONFIG_LCD) += efi_gop.o

diff --git a/lib/efi_loader/efi_root_node.c b/lib/efi_loader/efi_root_node.c
index 38514e0..f36ca34 100644 (file)
--- a/lib/efi_loader/efi_root_node.c
+++ b/lib/efi_loader/efi_root_node.c
@@ -58,9 +58,11 @@ efi_status_t efi_root_node_register(void)
                         /* Device path utilities protocol */
                         &efi_guid_device_path_utilities_protocol,
                         (void *)&efi_device_path_utilities,
+#if CONFIG_IS_ENABLED(EFI_UNICODE_COLLATION_PROTOCOL)
                         /* Unicode collation protocol */
                         &efi_guid_unicode_collation_protocol,
                         (void *)&efi_unicode_collation_protocol,
+#endif
 #if CONFIG_IS_ENABLED(EFI_LOADER_HII)
                         /* HII string protocol */
                         &efi_guid_hii_string_protocol,

diff --git a/lib/efi_selftest/Makefile b/lib/efi_selftest/Makefile
index c69ad7a..7fdf189 100644 (file)
--- a/lib/efi_selftest/Makefile
+++ b/lib/efi_selftest/Makefile
@@ -34,11 +34,12 @@ efi_selftest_textinput.o \
 efi_selftest_textinputex.o \
 efi_selftest_textoutput.o \
 efi_selftest_tpl.o \
-efi_selftest_unicode_collation.o \
 efi_selftest_util.o \
 efi_selftest_variables.o \
 efi_selftest_watchdog.o
 
+obj-$(CONFIG_EFI_UNICODE_COLLATION_PROTOCOL) += efi_selftest_unicode_collation.o
+
 obj-$(CONFIG_CPU_V7) += efi_selftest_unaligned.o
 obj-$(CONFIG_EFI_LOADER_HII) += efi_selftest_hii.o