[U-Boot] [PATCH v1 03/12] efi_loader: add EFI_UNICODE_COLLATION_PROTOCOL stub

[Rob Clark <robdclark@gmail.com>]

From: Leif Lindholm <leif.lindholm@linaro.org>

Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org>
---
 include/efi_api.h             | 33 +++++++++++++++++++
 include/efi_loader.h          |  2 ++
 lib/efi_loader/Makefile       |  2 +-
 lib/efi_loader/efi_boottime.c |  3 ++
 lib/efi_loader/efi_unicode.c  | 73 +++++++++++++++++++++++++++++++++++++++++++
 5 files changed, 112 insertions(+), 1 deletion(-)
 create mode 100644 lib/efi_loader/efi_unicode.c

diff --git a/include/efi_api.h b/include/efi_api.h
index 932a3429a8..25f774f253 100644
--- a/include/efi_api.h
+++ b/include/efi_api.h
@@ -740,6 +740,39 @@ struct efi_hii_string_protocol
 		UINTN *secondary_languages_size);
 };
 
+#define EFI_UNICODE_COLLATION_PROTOCOL2_GUID \
+	EFI_GUID(0xa4c751fc, 0x23ae, 0x4c3e, \
+		 0x92, 0xe9, 0x49, 0x64, 0xcf, 0x63, 0xf3, 0x49)
+
+struct efi_unicode_collation_protocol
+{
+	INTN(EFIAPI *stri_coll)(
+		struct efi_unicode_collation_protocol *this,
+		efi_string_t s1,
+		efi_string_t s2);
+	bool(EFIAPI *metai_match)(
+		struct efi_unicode_collation_protocol *this,
+		efi_string_t string,
+		efi_string_t pattern);
+	void(EFIAPI *str_lwr)(
+		struct efi_unicode_collation_protocol *this,
+		efi_string_t string);
+	void(EFIAPI *str_upr)(
+		struct efi_unicode_collation_protocol *this,
+		efi_string_t string);
+	void(EFIAPI *fat_to_str)(
+		struct efi_unicode_collation_protocol *this,
+		UINTN fat_size,
+		uint8_t *fat,
+		efi_string_t string);
+	bool(EFIAPI *str_to_fat)(
+		struct efi_unicode_collation_protocol *this,
+		efi_string_t string,
+		UINTN fat_size,
+		uint8_t *fat);
+	uint8_t *supported_languages;
+};
+
 #define EFI_GOP_GUID \
 	EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \
 		 0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a)
diff --git a/include/efi_loader.h b/include/efi_loader.h
index a89bb2fcd9..6668338d0b 100644
--- a/include/efi_loader.h
+++ b/include/efi_loader.h
@@ -62,6 +62,7 @@ extern const struct efi_device_path_utilities_protocol efi_device_path_utilities
 extern const struct efi_hii_config_routing_protocol efi_hii_config_routing;
 extern const struct efi_hii_database_protocol efi_hii_database;
 extern const struct efi_hii_string_protocol efi_hii_string;
+extern const struct efi_unicode_collation_protocol efi_unicode_collation;
 
 uint16_t *efi_dp_str(struct efi_device_path *dp);
 
@@ -76,6 +77,7 @@ extern const efi_guid_t efi_guid_device_path_utilities_protocol;
 extern const efi_guid_t efi_guid_hii_config_routing_protocol;
 extern const efi_guid_t efi_guid_hii_database_protocol;
 extern const efi_guid_t efi_guid_hii_string_protocol;
+extern const efi_guid_t efi_guid_unicode_collation_protocol2;
 
 extern unsigned int __efi_runtime_start, __efi_runtime_stop;
 extern unsigned int __efi_runtime_rel_start, __efi_runtime_rel_stop;
diff --git a/lib/efi_loader/Makefile b/lib/efi_loader/Makefile
index e8fd6823a3..82b703bb39 100644
--- a/lib/efi_loader/Makefile
+++ b/lib/efi_loader/Makefile
@@ -16,7 +16,7 @@ always := $(efiprogs-y)
 obj-$(CONFIG_CMD_BOOTEFI_HELLO) += helloworld_efi.o
 obj-y += efi_image_loader.o efi_boottime.o efi_runtime.o efi_console.o
 obj-y += efi_memory.o efi_device_path_to_text.o efi_device_path.o
-obj-y += efi_device_path_utilities.o efi_hii.o
+obj-y += efi_device_path_utilities.o efi_hii.o efi_unicode.o
 obj-y += efi_file.o efi_variable.o efi_bootmgr.o
 obj-$(CONFIG_LCD) += efi_gop.o
 obj-$(CONFIG_DM_VIDEO) += efi_gop.o
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
index 4d1a16051b..04358e8aca 100644
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -788,6 +788,9 @@ void efi_setup_loaded_image(struct efi_loaded_image *info, struct efi_object *ob
 	obj->protocols[7].guid = &efi_guid_hii_config_routing_protocol;
 	obj->protocols[7].protocol_interface = (void *)&efi_hii_config_routing;
 
+	obj->protocols[8].guid = &efi_guid_unicode_collation_protocol2;
+	obj->protocols[8].protocol_interface = (void *)&efi_unicode_collation;
+
 	info->file_path = file_path;
 	info->device_handle = efi_dp_find_obj(device_path, NULL);
 
diff --git a/lib/efi_loader/efi_unicode.c b/lib/efi_loader/efi_unicode.c
new file mode 100644
index 0000000000..fdf1a99812
--- /dev/null
+++ b/lib/efi_loader/efi_unicode.c
@@ -0,0 +1,73 @@
+/*
+*  EFI Unicode interface
+ *
+ *  Copyright (c) 2017 Leif Lindholm
+ *
+ *  SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <common.h>
+#include <efi_loader.h>
+
+const efi_guid_t efi_guid_unicode_collation_protocol2 =
+	EFI_UNICODE_COLLATION_PROTOCOL2_GUID;
+
+INTN stri_coll(struct efi_unicode_collation_protocol *this,
+	       efi_string_t s1,
+	       efi_string_t s2)
+{
+	EFI_ENTRY("%p, \"%ls\", \"%ls\"", this, s1, s2);
+	return EFI_EXIT(0);
+}
+
+bool metai_match(struct efi_unicode_collation_protocol *this,
+		 efi_string_t string,
+		 efi_string_t pattern)
+{
+	EFI_ENTRY("%p, \"%ls\", \"%ls\"", this, string, pattern);
+	return EFI_EXIT(false);
+}
+
+void str_lwr(struct efi_unicode_collation_protocol *this,
+	     efi_string_t string)
+{
+	EFI_ENTRY("%p, \"%ls\"", this, string);
+	EFI_EXIT(0);
+	return;
+}
+
+void str_upr(struct efi_unicode_collation_protocol *this,
+	     efi_string_t string)
+{
+	EFI_ENTRY("%p, \"%ls\"", this, string);
+	EFI_EXIT(0);
+	return;
+}
+
+void fat_to_str(struct efi_unicode_collation_protocol *this,
+		UINTN fat_size,
+		uint8_t *fat,
+		efi_string_t string)
+{
+	EFI_ENTRY("%p, %lu, \"%s\", %p", this, fat_size, fat, string);
+	EFI_EXIT(0);
+	return;
+}
+
+bool str_to_fat(struct efi_unicode_collation_protocol *this,
+		efi_string_t string,
+		UINTN fat_size,
+		uint8_t *fat)
+{
+	EFI_ENTRY("%p, \"%ls\", %lu, %p", this, string, fat_size, fat);
+	return EFI_EXIT(false);
+}
+
+const struct efi_unicode_collation_protocol efi_unicode_collation = {
+	.stri_coll = stri_coll,
+	.metai_match = metai_match,
+	.str_lwr = str_lwr,
+	.str_upr = str_upr,
+	.fat_to_str = fat_to_str,
+	.str_to_fat = str_to_fat
+};
-- 
2.13.5