efi: Use 16-bit unicode strings

At present we use wide characters for unicode but this is not necessary.
Change the code to use the 'u' literal instead. This helps to fix build
warnings for sandbox on rpi.

Signed-off-by: Simon Glass <sjg@chromium.org>
Suggested-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/lib/efi_selftest/dtbdump.c b/lib/efi_selftest/dtbdump.c
index 6e1eaa4..3ce2a07 100644
--- a/lib/efi_selftest/dtbdump.c
+++ b/lib/efi_selftest/dtbdump.c
@@ -109,7 +109,7 @@
 	struct efi_input_key key = {0};
 	efi_uintn_t index;
 	efi_uintn_t pos = 0;
-	u16 outbuf[2] = L" ";
+	u16 outbuf[2] = u" ";
 	efi_status_t ret;
 
 	/* Drain the console input */
@@ -124,7 +124,7 @@
 			continue;
 		switch (key.scan_code) {
 		case 0x17: /* Escape */
-			print(L"\r\nAborted\r\n");
+			print(u"\r\nAborted\r\n");
 			return EFI_ABORTED;
 		default:
 			break;
@@ -133,12 +133,12 @@
 		case 0x08: /* Backspace */
 			if (pos) {
 				buffer[pos--] = 0;
-				print(L"\b \b");
+				print(u"\b \b");
 			}
 			break;
 		case 0x0a: /* Linefeed */
 		case 0x0d: /* Carriage return */
-			print(L"\r\n");
+			print(u"\r\n");
 			return EFI_SUCCESS;
 		default:
 			break;
@@ -228,9 +228,9 @@
  */
 void do_help(void)
 {
-	error(L"load <dtb> - load device-tree from file\r\n");
-	error(L"save <dtb> - save device-tree to file\r\n");
-	error(L"exit       - exit the shell\r\n");
+	error(u"load <dtb> - load device-tree from file\r\n");
+	error(u"save <dtb> - save device-tree to file\r\n");
+	error(u"exit       - exit the shell\r\n");
 }
 
 /**
@@ -251,7 +251,7 @@
 				(void **)&loaded_image, NULL, NULL,
 				EFI_OPEN_PROTOCOL_GET_PROTOCOL);
 	if (ret != EFI_SUCCESS) {
-		error(L"Loaded image protocol not found\r\n");
+		error(u"Loaded image protocol not found\r\n");
 		return ret;
 	}
 
@@ -272,7 +272,7 @@
 					(void **)file_system, NULL, NULL,
 					EFI_OPEN_PROTOCOL_GET_PROTOCOL);
 	if (ret != EFI_SUCCESS)
-		error(L"Failed to open simple file system protocol\r\n");
+		error(u"Failed to open simple file system protocol\r\n");
 	if (handle)
 		bs->free_pool(handle_buffer);
 
@@ -300,7 +300,7 @@
 	ret = bs->locate_protocol(&efi_dt_fixup_protocol_guid, NULL,
 				  (void **)&dt_fixup_prot);
 	if (ret != EFI_SUCCESS) {
-		error(L"Device-tree fix-up protocol not found\r\n");
+		error(u"Device-tree fix-up protocol not found\r\n");
 		return ret;
 	}
 
@@ -313,50 +313,50 @@
 	/* Open volume */
 	ret = file_system->open_volume(file_system, &root);
 	if (ret != EFI_SUCCESS) {
-		error(L"Failed to open volume\r\n");
+		error(u"Failed to open volume\r\n");
 		goto out;
 	}
 
 	/* Open file */
 	ret = root->open(root, &file, filename, EFI_FILE_MODE_READ, 0);
 	if (ret != EFI_SUCCESS) {
-		error(L"File not found\r\n");
+		error(u"File not found\r\n");
 		goto out;
 	}
 	/* Get file size */
 	buffer_size = 0;
 	ret = file->getinfo(file, &efi_file_info_guid, &buffer_size, NULL);
 	if (ret != EFI_BUFFER_TOO_SMALL) {
-		error(L"Can't get file info size\r\n");
+		error(u"Can't get file info size\r\n");
 		goto out;
 	}
 	ret = bs->allocate_pool(EFI_LOADER_DATA, buffer_size, (void **)&info);
 	if (ret != EFI_SUCCESS) {
-		error(L"Out of memory\r\n");
+		error(u"Out of memory\r\n");
 		goto out;
 	}
 	ret = file->getinfo(file, &efi_file_info_guid, &buffer_size, info);
 	if (ret != EFI_SUCCESS) {
-		error(L"Can't get file info\r\n");
+		error(u"Can't get file info\r\n");
 		goto out;
 	}
 	buffer_size = info->file_size;
 	pages = efi_size_in_pages(buffer_size);
 	ret = bs->free_pool(info);
 	if (ret != EFI_SUCCESS)
-		error(L"Can't free memory pool\r\n");
+		error(u"Can't free memory pool\r\n");
 	/* Read file */
 	ret = bs->allocate_pages(EFI_ALLOCATE_ANY_PAGES,
 				 EFI_ACPI_RECLAIM_MEMORY,
 				 pages, &addr);
 	if (ret != EFI_SUCCESS) {
-		error(L"Out of memory\r\n");
+		error(u"Out of memory\r\n");
 		goto out;
 	}
 	dtb = (struct fdt_header *)(uintptr_t)addr;
 	ret = file->read(file, &buffer_size, dtb);
 	if (ret != EFI_SUCCESS) {
-		error(L"Can't read file\r\n");
+		error(u"Can't read file\r\n");
 		goto out;
 	}
 	/* Fixup file, expecting EFI_BUFFER_TOO_SMALL */
@@ -367,24 +367,24 @@
 		/* Read file into larger buffer */
 		ret = bs->free_pages(addr, pages);
 		if (ret != EFI_SUCCESS)
-			error(L"Can't free memory pages\r\n");
+			error(u"Can't free memory pages\r\n");
 		pages = efi_size_in_pages(buffer_size);
 		ret = bs->allocate_pages(EFI_ALLOCATE_ANY_PAGES,
 					 EFI_ACPI_RECLAIM_MEMORY,
 					 pages, &addr);
 		if (ret != EFI_SUCCESS) {
-			error(L"Out of memory\r\n");
+			error(u"Out of memory\r\n");
 			goto out;
 		}
 		dtb = (struct fdt_header *)(uintptr_t)addr;
 		ret = file->setpos(file, 0);
 		if (ret != EFI_SUCCESS) {
-			error(L"Can't position file\r\n");
+			error(u"Can't position file\r\n");
 			goto out;
 		}
 		ret = file->read(file, &buffer_size, dtb);
 		if (ret != EFI_SUCCESS) {
-			error(L"Can't read file\r\n");
+			error(u"Can't read file\r\n");
 			goto out;
 		}
 		buffer_size = pages << EFI_PAGE_SHIFT;
@@ -394,24 +394,24 @@
 				EFI_DT_INSTALL_TABLE);
 	}
 	if (ret == EFI_SUCCESS)
-		print(L"device-tree installed\r\n");
+		print(u"device-tree installed\r\n");
 	else
-		error(L"Device-tree fix-up failed\r\n");
+		error(u"Device-tree fix-up failed\r\n");
 out:
 	if (addr) {
 		ret2 = bs->free_pages(addr, pages);
 		if (ret2 != EFI_SUCCESS)
-			error(L"Can't free memory pages\r\n");
+			error(u"Can't free memory pages\r\n");
 	}
 	if (file) {
 		ret2 = file->close(file);
 		if (ret2 != EFI_SUCCESS)
-			error(L"Can't close file\r\n");
+			error(u"Can't close file\r\n");
 	}
 	if (root) {
 		ret2 = root->close(root);
 		if (ret2 != EFI_SUCCESS)
-			error(L"Can't close volume\r\n");
+			error(u"Can't close volume\r\n");
 	}
 	return ret;
 }
@@ -432,11 +432,11 @@
 
 	dtb = get_dtb(systable);
 	if (!dtb) {
-		error(L"DTB not found\r\n");
+		error(u"DTB not found\r\n");
 		return EFI_NOT_FOUND;
 	}
 	if (f2h(dtb->magic) != FDT_MAGIC) {
-		error(L"Wrong device tree magic\r\n");
+		error(u"Wrong device tree magic\r\n");
 		return EFI_NOT_FOUND;
 	}
 	dtb_size = f2h(dtb->totalsize);
@@ -450,19 +450,19 @@
 	/* Open volume */
 	ret = file_system->open_volume(file_system, &root);
 	if (ret != EFI_SUCCESS) {
-		error(L"Failed to open volume\r\n");
+		error(u"Failed to open volume\r\n");
 		return ret;
 	}
 	/* Check if file already exists */
 	ret = root->open(root, &file, filename, EFI_FILE_MODE_READ, 0);
 	if (ret == EFI_SUCCESS) {
 		file->close(file);
-		print(L"Overwrite existing file (y/n)? ");
+		print(u"Overwrite existing file (y/n)? ");
 		ret = efi_input_yn();
-		print(L"\r\n");
+		print(u"\r\n");
 		if (ret != EFI_SUCCESS) {
 			root->close(root);
-			error(L"Aborted by user\r\n");
+			error(u"Aborted by user\r\n");
 			return ret;
 		}
 	}
@@ -475,16 +475,16 @@
 		/* Write file */
 		ret = file->write(file, &dtb_size, dtb);
 		if (ret != EFI_SUCCESS)
-			error(L"Failed to write file\r\n");
+			error(u"Failed to write file\r\n");
 		file->close(file);
 	} else {
-		error(L"Failed to open file\r\n");
+		error(u"Failed to open file\r\n");
 	}
 	root->close(root);
 
 	if (ret == EFI_SUCCESS) {
 		print(filename);
-		print(L" written\r\n");
+		print(u" written\r\n");
 	}
 
 	return ret;
@@ -510,7 +510,7 @@
 	cout->set_attribute(cout, EFI_LIGHTBLUE | EFI_BACKGROUND_BLACK);
 	cout->clear_screen(cout);
 	cout->set_attribute(cout, EFI_WHITE | EFI_BACKGROUND_BLACK);
-	print(L"DTB Dump\r\n========\r\n\r\n");
+	print(u"DTB Dump\r\n========\r\n\r\n");
 	cout->set_attribute(cout, EFI_LIGHTBLUE | EFI_BACKGROUND_BLACK);
 
 	for (;;) {
@@ -518,16 +518,16 @@
 		u16 *pos;
 		efi_uintn_t ret;
 
-		print(L"=> ");
+		print(u"=> ");
 		ret = efi_input(command, sizeof(command));
 		if (ret == EFI_ABORTED)
 			break;
 		pos = skip_whitespace(command);
-		if (starts_with(pos, L"exit"))
+		if (starts_with(pos, u"exit"))
 			break;
-		else if (starts_with(pos, L"load "))
+		else if (starts_with(pos, u"load "))
 			do_load(pos + 5);
-		else if (starts_with(pos, L"save "))
+		else if (starts_with(pos, u"save "))
 			do_save(pos + 5);
 		else
 			do_help();
diff --git a/lib/efi_selftest/efi_selftest.c b/lib/efi_selftest/efi_selftest.c
index 474a8b8..8e427b9 100644
--- a/lib/efi_selftest/efi_selftest.c
+++ b/lib/efi_selftest/efi_selftest.c
@@ -18,7 +18,7 @@
 static const struct efi_boot_services *boottime;
 static const struct efi_runtime_services *runtime;
 static efi_handle_t handle;
-static u16 reset_message[] = L"Selftest completed";
+static u16 reset_message[] = u"Selftest completed";
 static int *setup_status;
 
 /*
diff --git a/lib/efi_selftest/efi_selftest_block_device.c b/lib/efi_selftest/efi_selftest_block_device.c
index 62b3e04..60fa655 100644
--- a/lib/efi_selftest/efi_selftest_block_device.c
+++ b/lib/efi_selftest/efi_selftest_block_device.c
@@ -407,7 +407,7 @@
 	}
 
 	/* Read file */
-	ret = root->open(root, &file, L"hello.txt", EFI_FILE_MODE_READ,
+	ret = root->open(root, &file, u"hello.txt", EFI_FILE_MODE_READ,
 			 0);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("Failed to open file\n");
@@ -451,7 +451,7 @@
 
 #ifdef CONFIG_FAT_WRITE
 	/* Write file */
-	ret = root->open(root, &file, L"u-boot.txt", EFI_FILE_MODE_READ |
+	ret = root->open(root, &file, u"u-boot.txt", EFI_FILE_MODE_READ |
 			 EFI_FILE_MODE_WRITE | EFI_FILE_MODE_CREATE, 0);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("Failed to open file\n");
@@ -483,7 +483,7 @@
 
 	/* Verify file */
 	boottime->set_mem(buf, sizeof(buf), 0);
-	ret = root->open(root, &file, L"u-boot.txt", EFI_FILE_MODE_READ,
+	ret = root->open(root, &file, u"u-boot.txt", EFI_FILE_MODE_READ,
 			 0);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("Failed to open file\n");
diff --git a/lib/efi_selftest/efi_selftest_devicepath.c b/lib/efi_selftest/efi_selftest_devicepath.c
index d87b9f7..8a22a5d 100644
--- a/lib/efi_selftest/efi_selftest_devicepath.c
+++ b/lib/efi_selftest/efi_selftest_devicepath.c
@@ -319,7 +319,7 @@
 			{ DEVICE_PATH_TYPE_MEDIA_DEVICE,
 			  DEVICE_PATH_SUB_TYPE_FILE_PATH,
 			  sizeof(struct efi_device_path) + 12},
-			L"u-boot.bin",
+			u"u-boot.bin",
 		};
 	u16 *string;
 	efi_status_t ret;
diff --git a/lib/efi_selftest/efi_selftest_exception.c b/lib/efi_selftest/efi_selftest_exception.c
index dca7f7d..64e7b0a 100644
--- a/lib/efi_selftest/efi_selftest_exception.c
+++ b/lib/efi_selftest/efi_selftest_exception.c
@@ -31,7 +31,7 @@
 		DEVICE_PATH_SUB_TYPE_FILE_PATH,
 		sizeof(dp.dp) + sizeof(dp.filename),
 	},
-	L"bug.efi",
+	u"bug.efi",
 	{
 		DEVICE_PATH_TYPE_END,
 		DEVICE_PATH_SUB_TYPE_END,
diff --git a/lib/efi_selftest/efi_selftest_fdt.c b/lib/efi_selftest/efi_selftest_fdt.c
index 70fe06e..f4a7fcb 100644
--- a/lib/efi_selftest/efi_selftest_fdt.c
+++ b/lib/efi_selftest/efi_selftest_fdt.c
@@ -199,7 +199,7 @@
 	char *str;
 	efi_status_t ret;
 
-	str = get_property(L"compatible", NULL);
+	str = get_property(u"compatible", NULL);
 	if (str) {
 		efi_st_printf("compatible: %s\n", str);
 		ret = boottime->free_pool(str);
@@ -211,7 +211,7 @@
 		efi_st_error("Missing property 'compatible'\n");
 		return EFI_ST_FAILURE;
 	}
-	str = get_property(L"serial-number", NULL);
+	str = get_property(u"serial-number", NULL);
 	if (str) {
 		efi_st_printf("serial-number: %s\n", str);
 		ret = boottime->free_pool(str);
@@ -220,7 +220,7 @@
 			return EFI_ST_FAILURE;
 		}
 	}
-	str = get_property(L"boot-hartid", L"chosen");
+	str = get_property(u"boot-hartid", u"chosen");
 	if (IS_ENABLED(CONFIG_RISCV)) {
 		if (str) {
 			efi_st_printf("boot-hartid: %u\n",
diff --git a/lib/efi_selftest/efi_selftest_hii.c b/lib/efi_selftest/efi_selftest_hii.c
index 66ccec1..eaf3b09 100644
--- a/lib/efi_selftest/efi_selftest_hii.c
+++ b/lib/efi_selftest/efi_selftest_hii.c
@@ -699,7 +699,7 @@
 
 	ret = hii_string_protocol->new_string(hii_string_protocol, handle,
 					      &id, (u8 *)"en-US",
-					      L"Japanese", L"Japanese", NULL);
+					      u"Japanese", u"Japanese", NULL);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("new_string returned %u\n",
 			     (unsigned int)ret);
@@ -752,7 +752,7 @@
 
 	ret = hii_string_protocol->new_string(hii_string_protocol, handle,
 					      &id, (u8 *)"en-US",
-					      L"Japanese", L"Japanese", NULL);
+					      u"Japanese", u"Japanese", NULL);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("new_string returned %u\n",
 			     (unsigned int)ret);
@@ -831,7 +831,7 @@
 
 	ret = hii_string_protocol->new_string(hii_string_protocol, handle,
 					      &id, (u8 *)"en-US",
-					      L"Japanese", L"Japanese", NULL);
+					      u"Japanese", u"Japanese", NULL);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("new_string returned %u\n",
 			     (unsigned int)ret);
@@ -840,7 +840,7 @@
 
 	ret = hii_string_protocol->set_string(hii_string_protocol, handle,
 					      id, (u8 *)"en-US",
-					      L"Nihongo", NULL);
+					      u"Nihongo", NULL);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("set_string returned %u\n",
 			     (unsigned int)ret);
diff --git a/lib/efi_selftest/efi_selftest_load_file.c b/lib/efi_selftest/efi_selftest_load_file.c
index bac0e6b..8784a76 100644
--- a/lib/efi_selftest/efi_selftest_load_file.c
+++ b/lib/efi_selftest/efi_selftest_load_file.c
@@ -101,7 +101,7 @@
 			FILE_NAME_SIZE * sizeof(u16),
 		}
 	},
-	L"\\lf.efi",
+	u"\\lf.efi",
 	{
 		DEVICE_PATH_TYPE_END,
 		DEVICE_PATH_SUB_TYPE_END,
@@ -152,7 +152,7 @@
 			FILE_NAME_SIZE * sizeof(u16),
 		}
 	},
-	L"\\lf2.efi",
+	u"\\lf2.efi",
 	{
 		DEVICE_PATH_TYPE_END,
 		DEVICE_PATH_SUB_TYPE_END,
diff --git a/lib/efi_selftest/efi_selftest_loadimage.c b/lib/efi_selftest/efi_selftest_loadimage.c
index 72c8d51..d4c76f5 100644
--- a/lib/efi_selftest/efi_selftest_loadimage.c
+++ b/lib/efi_selftest/efi_selftest_loadimage.c
@@ -20,8 +20,8 @@
 /* Binary logarithm of the block size */
 #define LB_BLOCK_SIZE 9
 
-#define FILE_NAME L"app.efi"
-#define VOLUME_NAME L"EfiDisk"
+#define FILE_NAME u"app.efi"
+#define VOLUME_NAME u"EfiDisk"
 
 static struct efi_boot_services *boottime;
 static efi_handle_t handle_image;
diff --git a/lib/efi_selftest/efi_selftest_miniapp_exception.c b/lib/efi_selftest/efi_selftest_miniapp_exception.c
index 9be0e7e..79f9a67 100644
--- a/lib/efi_selftest/efi_selftest_miniapp_exception.c
+++ b/lib/efi_selftest/efi_selftest_miniapp_exception.c
@@ -23,7 +23,7 @@
 	struct efi_simple_text_output_protocol *con_out = systable->con_out;
 
 	con_out->output_string(con_out,
-			       L"EFI application triggers exception.\n");
+			       u"EFI application triggers exception.\n");
 
 #if defined(CONFIG_ARM)
 	/*
@@ -38,6 +38,6 @@
 #elif defined(CONFIG_X86)
 	asm volatile (".word 0xffff\n");
 #endif
-	con_out->output_string(con_out, L"Exception not triggered.\n");
+	con_out->output_string(con_out, u"Exception not triggered.\n");
 	return EFI_ABORTED;
 }
diff --git a/lib/efi_selftest/efi_selftest_miniapp_exit.c b/lib/efi_selftest/efi_selftest_miniapp_exit.c
index 2ea19f2..1c42d6d 100644
--- a/lib/efi_selftest/efi_selftest_miniapp_exit.c
+++ b/lib/efi_selftest/efi_selftest_miniapp_exit.c
@@ -40,7 +40,7 @@
 				  NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
 	if (ret != EFI_SUCCESS) {
 		cout->output_string(cout,
-				    L"Could not open loaded image protocol");
+				    u"Could not open loaded image protocol");
 		return ret;
 	}
 	if ((void *)check_loaded_image_protocol <
@@ -49,7 +49,7 @@
 	    loaded_image_protocol->image_base +
 	    loaded_image_protocol->image_size) {
 		cout->output_string(cout,
-				    L"Incorrect image_base or image_size\n");
+				    u"Incorrect image_base or image_size\n");
 		return EFI_NOT_FOUND;
 	}
 	return EFI_SUCCESS;
@@ -69,11 +69,11 @@
 	efi_status_t ret;
 	u16 text[] = EFI_ST_SUCCESS_STR;
 
-	con_out->output_string(con_out, L"EFI application calling Exit\n");
+	con_out->output_string(con_out, u"EFI application calling Exit\n");
 
 	if (check_loaded_image_protocol(handle, systable) != EFI_SUCCESS) {
 		con_out->output_string(con_out,
-				       L"Loaded image protocol missing\n");
+				       u"Loaded image protocol missing\n");
 		ret = EFI_NOT_FOUND;
 		goto out;
 	}
diff --git a/lib/efi_selftest/efi_selftest_miniapp_return.c b/lib/efi_selftest/efi_selftest_miniapp_return.c
index 25a2bd1..45366aa 100644
--- a/lib/efi_selftest/efi_selftest_miniapp_return.c
+++ b/lib/efi_selftest/efi_selftest_miniapp_return.c
@@ -24,7 +24,7 @@
 	struct efi_simple_text_output_protocol *con_out = systable->con_out;
 
 	con_out->output_string(con_out,
-			       L"EFI application returning w/o calling Exit\n");
+			       u"EFI application returning w/o calling Exit\n");
 
 	/* The return value is checked by the calling test */
 	return EFI_INCOMPATIBLE_VERSION;
diff --git a/lib/efi_selftest/efi_selftest_reset.c b/lib/efi_selftest/efi_selftest_reset.c
index f888054..5dfe517 100644
--- a/lib/efi_selftest/efi_selftest_reset.c
+++ b/lib/efi_selftest/efi_selftest_reset.c
@@ -33,7 +33,7 @@
  */
 static int execute(void)
 {
-	u16 reset_data[] = L"Reset by selftest";
+	u16 reset_data[] = u"Reset by selftest";
 
 	runtime->reset_system(EFI_RESET_COLD, EFI_SUCCESS,
 			      sizeof(reset_data), reset_data);
diff --git a/lib/efi_selftest/efi_selftest_textoutput.c b/lib/efi_selftest/efi_selftest_textoutput.c
index 450fe97..cc44b38 100644
--- a/lib/efi_selftest/efi_selftest_textoutput.c
+++ b/lib/efi_selftest/efi_selftest_textoutput.c
@@ -44,14 +44,14 @@
 	}
 	/* TestString */
 	ret = con_out->test_string(con_out,
-			L" !\"#$%&'()*+,-./0-9:;<=>?@A-Z[\\]^_`a-z{|}~\n");
+			u" !\"#$%&'()*+,-./0-9:;<=>?@A-Z[\\]^_`a-z{|}~\n");
 	if (ret != EFI_ST_SUCCESS) {
 		efi_st_error("TestString failed for ANSI characters\n");
 		return EFI_ST_FAILURE;
 	}
 	/* OutputString */
 	ret = con_out->output_string(con_out,
-				     L"Testing cursor column update\n");
+				     u"Testing cursor column update\n");
 	if (ret != EFI_ST_SUCCESS) {
 		efi_st_error("OutputString failed for ANSI characters");
 		return EFI_ST_FAILURE;
@@ -75,7 +75,7 @@
 		efi_st_error("Cursor column not 0 at beginning of line\n");
 		return EFI_ST_FAILURE;
 	}
-	ret = con_out->output_string(con_out, L"123");
+	ret = con_out->output_string(con_out, u"123");
 	if (ret != EFI_ST_SUCCESS) {
 		efi_st_error("OutputString failed for ANSI characters\n");
 		return EFI_ST_FAILURE;
@@ -84,7 +84,7 @@
 		efi_st_error("Cursor column not incremented properly\n");
 		return EFI_ST_FAILURE;
 	}
-	ret = con_out->output_string(con_out, L"\b");
+	ret = con_out->output_string(con_out, u"\b");
 	if (ret != EFI_ST_SUCCESS) {
 		efi_st_error("OutputString failed for backspace\n");
 		return EFI_ST_FAILURE;
@@ -93,7 +93,7 @@
 		efi_st_error("Cursor column not decremented properly\n");
 		return EFI_ST_FAILURE;
 	}
-	ret = con_out->output_string(con_out, L"\b\b");
+	ret = con_out->output_string(con_out, u"\b\b");
 	if (ret != EFI_ST_SUCCESS) {
 		efi_st_error("OutputString failed for backspace\n");
 		return EFI_ST_FAILURE;
@@ -102,7 +102,7 @@
 		efi_st_error("Cursor column not decremented properly\n");
 		return EFI_ST_FAILURE;
 	}
-	ret = con_out->output_string(con_out, L"\b\b");
+	ret = con_out->output_string(con_out, u"\b\b");
 	if (ret != EFI_ST_SUCCESS) {
 		efi_st_error("OutputString failed for backspace\n");
 		return EFI_ST_FAILURE;
diff --git a/lib/efi_selftest/efi_selftest_unicode_collation.c b/lib/efi_selftest/efi_selftest_unicode_collation.c
index 7529430..c63a1b5 100644
--- a/lib/efi_selftest/efi_selftest_unicode_collation.c
+++ b/lib/efi_selftest/efi_selftest_unicode_collation.c
@@ -44,9 +44,9 @@
 static int test_stri_coll(void)
 {
 	efi_intn_t ret;
-	u16 c1[] = L"first";
-	u16 c2[] = L"FIRST";
-	u16 c3[] = L"second";
+	u16 c1[] = u"first";
+	u16 c2[] = u"FIRST";
+	u16 c3[] = u"second";
 
 	ret = unicode_collation_protocol->stri_coll(unicode_collation_protocol,
 						    c1, c2);
@@ -78,66 +78,66 @@
 static int test_metai_match(void)
 {
 	bool ret;
-	const u16 c[] = L"Das U-Boot";
+	const u16 c[] = u"Das U-Boot";
 
 	ret = unicode_collation_protocol->metai_match(
-		unicode_collation_protocol, c, L"*");
+		unicode_collation_protocol, c, u"*");
 	if (!ret) {
 		efi_st_error("metai_match returned %u\n", ret);
 		return EFI_ST_FAILURE;
 	}
 
 	ret = unicode_collation_protocol->metai_match(
-		unicode_collation_protocol, c, L"Da[rstu] U-Boot");
+		unicode_collation_protocol, c, u"Da[rstu] U-Boot");
 	if (!ret) {
 		efi_st_error("metai_match returned %u\n", ret);
 		return EFI_ST_FAILURE;
 	}
 
 	ret = unicode_collation_protocol->metai_match(
-		unicode_collation_protocol, c, L"Da[q-v] U-Boot");
+		unicode_collation_protocol, c, u"Da[q-v] U-Boot");
 	if (!ret) {
 		efi_st_error("metai_match returned %u\n", ret);
 		return EFI_ST_FAILURE;
 	}
 
 	ret = unicode_collation_protocol->metai_match(
-		unicode_collation_protocol, c, L"Da? U-Boot");
+		unicode_collation_protocol, c, u"Da? U-Boot");
 	if (!ret) {
 		efi_st_error("metai_match returned %u\n", ret);
 		return EFI_ST_FAILURE;
 	}
 
 	ret = unicode_collation_protocol->metai_match(
-		unicode_collation_protocol, c, L"D*Bo*t");
+		unicode_collation_protocol, c, u"D*Bo*t");
 	if (!ret) {
 		efi_st_error("metai_match returned %u\n", ret);
 		return EFI_ST_FAILURE;
 	}
 
 	ret = unicode_collation_protocol->metai_match(
-		unicode_collation_protocol, c, L"Da[xyz] U-Boot");
+		unicode_collation_protocol, c, u"Da[xyz] U-Boot");
 	if (ret) {
 		efi_st_error("metai_match returned %u\n", ret);
 		return EFI_ST_FAILURE;
 	}
 
 	ret = unicode_collation_protocol->metai_match(
-		unicode_collation_protocol, c, L"Da[a-d] U-Boot");
+		unicode_collation_protocol, c, u"Da[a-d] U-Boot");
 	if (ret) {
 		efi_st_error("metai_match returned %u\n", ret);
 		return EFI_ST_FAILURE;
 	}
 
 	ret = unicode_collation_protocol->metai_match(
-		unicode_collation_protocol, c, L"Da?? U-Boot");
+		unicode_collation_protocol, c, u"Da?? U-Boot");
 	if (ret) {
 		efi_st_error("metai_match returned %u\n", ret);
 		return EFI_ST_FAILURE;
 	}
 
 	ret = unicode_collation_protocol->metai_match(
-		unicode_collation_protocol, c, L"D*Bo*tt");
+		unicode_collation_protocol, c, u"D*Bo*tt");
 	if (ret) {
 		efi_st_error("metai_match returned %u\n", ret);
 		return EFI_ST_FAILURE;
@@ -148,7 +148,7 @@
 
 static int test_str_lwr(void)
 {
-	u16 c[] = L"U-Boot";
+	u16 c[] = u"U-Boot";
 
 	unicode_collation_protocol->str_lwr(unicode_collation_protocol, c);
 	if (efi_st_strcmp_16_8(c, "u-boot")) {
@@ -161,7 +161,7 @@
 
 static int test_str_upr(void)
 {
-	u16 c[] = L"U-Boot";
+	u16 c[] = u"U-Boot";
 
 	unicode_collation_protocol->str_upr(unicode_collation_protocol, c);
 	if (efi_st_strcmp_16_8(c, "U-BOOT")) {
@@ -194,16 +194,16 @@
 
 	boottime->set_mem(fat, sizeof(fat), 0);
 	ret = unicode_collation_protocol->str_to_fat(unicode_collation_protocol,
-						     L"U -Boo.t", 6, fat);
-	if (ret || efi_st_strcmp_16_8(L"U-BOOT", fat)) {
+						     u"U -Boo.t", 6, fat);
+	if (ret || efi_st_strcmp_16_8(u"U-BOOT", fat)) {
 		efi_st_error("str_to_fat returned %u, \"%s\"\n", ret, fat);
 		return EFI_ST_FAILURE;
 	}
 
 	boottime->set_mem(fat, 16, 0);
 	ret = unicode_collation_protocol->str_to_fat(unicode_collation_protocol,
-						     L"U\\Boot", 6, fat);
-	if (!ret || efi_st_strcmp_16_8(L"U_BOOT", fat)) {
+						     u"U\\Boot", 6, fat);
+	if (!ret || efi_st_strcmp_16_8(u"U_BOOT", fat)) {
 		efi_st_error("str_to_fat returned %u, \"%s\"\n", ret, fat);
 		return EFI_ST_FAILURE;
 	}
diff --git a/lib/efi_selftest/efi_selftest_util.c b/lib/efi_selftest/efi_selftest_util.c
index ea73c25..dba02d6 100644
--- a/lib/efi_selftest/efi_selftest_util.c
+++ b/lib/efi_selftest/efi_selftest_util.c
@@ -15,64 +15,64 @@
 };
 
 static struct efi_st_translate efi_st_control_characters[] = {
-	{0, L"Null"},
-	{8, L"BS"},
-	{9, L"TAB"},
-	{10, L"LF"},
-	{13, L"CR"},
+	{0, u"Null"},
+	{8, u"BS"},
+	{9, u"TAB"},
+	{10, u"LF"},
+	{13, u"CR"},
 	{0, NULL},
 };
 
-static u16 efi_st_ch[] = L"' '";
-static u16 efi_st_unknown[] = L"unknown";
+static u16 efi_st_ch[] = u"' '";
+static u16 efi_st_unknown[] = u"unknown";
 
 static struct efi_st_translate efi_st_scan_codes[] = {
-	{0x00, L"Null"},
-	{0x01, L"Up"},
-	{0x02, L"Down"},
-	{0x03, L"Right"},
-	{0x04, L"Left"},
-	{0x05, L"Home"},
-	{0x06, L"End"},
-	{0x07, L"Insert"},
-	{0x08, L"Delete"},
-	{0x09, L"Page Up"},
-	{0x0a, L"Page Down"},
-	{0x0b, L"FN 1"},
-	{0x0c, L"FN 2"},
-	{0x0d, L"FN 3"},
-	{0x0e, L"FN 4"},
-	{0x0f, L"FN 5"},
-	{0x10, L"FN 6"},
-	{0x11, L"FN 7"},
-	{0x12, L"FN 8"},
-	{0x13, L"FN 9"},
-	{0x14, L"FN 10"},
-	{0x15, L"FN 11"},
-	{0x16, L"FN 12"},
-	{0x17, L"Escape"},
-	{0x68, L"FN 13"},
-	{0x69, L"FN 14"},
-	{0x6a, L"FN 15"},
-	{0x6b, L"FN 16"},
-	{0x6c, L"FN 17"},
-	{0x6d, L"FN 18"},
-	{0x6e, L"FN 19"},
-	{0x6f, L"FN 20"},
-	{0x70, L"FN 21"},
-	{0x71, L"FN 22"},
-	{0x72, L"FN 23"},
-	{0x73, L"FN 24"},
-	{0x7f, L"Mute"},
-	{0x80, L"Volume Up"},
-	{0x81, L"Volume Down"},
-	{0x100, L"Brightness Up"},
-	{0x101, L"Brightness Down"},
-	{0x102, L"Suspend"},
-	{0x103, L"Hibernate"},
-	{0x104, L"Toggle Display"},
-	{0x105, L"Recovery"},
-	{0x106, L"Reject"},
+	{0x00, u"Null"},
+	{0x01, u"Up"},
+	{0x02, u"Down"},
+	{0x03, u"Right"},
+	{0x04, u"Left"},
+	{0x05, u"Home"},
+	{0x06, u"End"},
+	{0x07, u"Insert"},
+	{0x08, u"Delete"},
+	{0x09, u"Page Up"},
+	{0x0a, u"Page Down"},
+	{0x0b, u"FN 1"},
+	{0x0c, u"FN 2"},
+	{0x0d, u"FN 3"},
+	{0x0e, u"FN 4"},
+	{0x0f, u"FN 5"},
+	{0x10, u"FN 6"},
+	{0x11, u"FN 7"},
+	{0x12, u"FN 8"},
+	{0x13, u"FN 9"},
+	{0x14, u"FN 10"},
+	{0x15, u"FN 11"},
+	{0x16, u"FN 12"},
+	{0x17, u"Escape"},
+	{0x68, u"FN 13"},
+	{0x69, u"FN 14"},
+	{0x6a, u"FN 15"},
+	{0x6b, u"FN 16"},
+	{0x6c, u"FN 17"},
+	{0x6d, u"FN 18"},
+	{0x6e, u"FN 19"},
+	{0x6f, u"FN 20"},
+	{0x70, u"FN 21"},
+	{0x71, u"FN 22"},
+	{0x72, u"FN 23"},
+	{0x73, u"FN 24"},
+	{0x7f, u"Mute"},
+	{0x80, u"Volume Up"},
+	{0x81, u"Volume Down"},
+	{0x100, u"Brightness Up"},
+	{0x101, u"Brightness Down"},
+	{0x102, u"Suspend"},
+	{0x103, u"Hibernate"},
+	{0x104, u"Toggle Display"},
+	{0x105, u"Recovery"},
+	{0x106, u"Reject"},
 	{0x0, NULL},
 };
 
diff --git a/lib/efi_selftest/efi_selftest_variables.c b/lib/efi_selftest/efi_selftest_variables.c
index 2c16f3d..dc1d5c8 100644
--- a/lib/efi_selftest/efi_selftest_variables.c
+++ b/lib/efi_selftest/efi_selftest_variables.c
@@ -63,7 +63,7 @@
 		return EFI_ST_FAILURE;
 	}
 	/* Set variable 0 */
-	ret = runtime->set_variable(L"efi_st_var0", &guid_vendor0,
+	ret = runtime->set_variable(u"efi_st_var0", &guid_vendor0,
 				    EFI_VARIABLE_BOOTSERVICE_ACCESS,
 				    3, v + 4);
 	if (ret != EFI_SUCCESS) {
@@ -72,7 +72,7 @@
 	}
 	data[3] = 0xff;
 	len = 3;
-	ret = runtime->get_variable(L"efi_st_var0", &guid_vendor0,
+	ret = runtime->get_variable(u"efi_st_var0", &guid_vendor0,
 				    &attr, &len, data);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("GetVariable failed\n");
@@ -87,7 +87,7 @@
 		return EFI_ST_FAILURE;
 	}
 	/* Set variable 1 */
-	ret = runtime->set_variable(L"efi_st_var1", &guid_vendor1,
+	ret = runtime->set_variable(u"efi_st_var1", &guid_vendor1,
 				    EFI_VARIABLE_BOOTSERVICE_ACCESS,
 				    8, v);
 	if (ret != EFI_SUCCESS) {
@@ -95,7 +95,7 @@
 		return EFI_ST_FAILURE;
 	}
 	len = EFI_ST_MAX_DATA_SIZE;
-	ret = runtime->get_variable(L"efi_st_var1", &guid_vendor1,
+	ret = runtime->get_variable(u"efi_st_var1", &guid_vendor1,
 				    &attr, &len, data);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("GetVariable failed\n");
@@ -111,7 +111,7 @@
 		return EFI_ST_FAILURE;
 	}
 	/* Append variable 1 */
-	ret = runtime->set_variable(L"efi_st_var1", &guid_vendor1,
+	ret = runtime->set_variable(u"efi_st_var1", &guid_vendor1,
 				    EFI_VARIABLE_BOOTSERVICE_ACCESS |
 				    EFI_VARIABLE_APPEND_WRITE,
 				    7, v + 8);
@@ -120,7 +120,7 @@
 		return EFI_ST_FAILURE;
 	}
 	len = EFI_ST_MAX_DATA_SIZE;
-	ret = runtime->get_variable(L"efi_st_var1", &guid_vendor1,
+	ret = runtime->get_variable(u"efi_st_var1", &guid_vendor1,
 				    &attr, &len, data);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("GetVariable failed\n");
@@ -132,7 +132,7 @@
 	if (memcmp(data, v, len))
 		efi_st_todo("GetVariable returned wrong value\n");
 	/* Append variable 2 */
-	ret = runtime->set_variable(L"efi_none", &guid_vendor1,
+	ret = runtime->set_variable(u"efi_none", &guid_vendor1,
 				    EFI_VARIABLE_BOOTSERVICE_ACCESS |
 				    EFI_VARIABLE_APPEND_WRITE,
 				    15, v);
@@ -173,28 +173,28 @@
 		return EFI_ST_FAILURE;
 	}
 	/* Delete variable 1 */
-	ret = runtime->set_variable(L"efi_st_var1", &guid_vendor1,
+	ret = runtime->set_variable(u"efi_st_var1", &guid_vendor1,
 				    0, 0, NULL);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("SetVariable failed\n");
 		return EFI_ST_FAILURE;
 	}
 	len = EFI_ST_MAX_DATA_SIZE;
-	ret = runtime->get_variable(L"efi_st_var1", &guid_vendor1,
+	ret = runtime->get_variable(u"efi_st_var1", &guid_vendor1,
 				    &attr, &len, data);
 	if (ret != EFI_NOT_FOUND) {
 		efi_st_error("Variable was not deleted\n");
 		return EFI_ST_FAILURE;
 	}
 	/* Delete variable 0 */
-	ret = runtime->set_variable(L"efi_st_var0", &guid_vendor0,
+	ret = runtime->set_variable(u"efi_st_var0", &guid_vendor0,
 				    0, 0, NULL);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("SetVariable failed\n");
 		return EFI_ST_FAILURE;
 	}
 	len = EFI_ST_MAX_DATA_SIZE;
-	ret = runtime->get_variable(L"efi_st_var0", &guid_vendor0,
+	ret = runtime->get_variable(u"efi_st_var0", &guid_vendor0,
 				    &attr, &len, data);
 	if (ret != EFI_NOT_FOUND) {
 		efi_st_error("Variable was not deleted\n");
diff --git a/lib/efi_selftest/efi_selftest_variables_runtime.c b/lib/efi_selftest/efi_selftest_variables_runtime.c
index 3226069..4700d94 100644
--- a/lib/efi_selftest/efi_selftest_variables_runtime.c
+++ b/lib/efi_selftest/efi_selftest_variables_runtime.c
@@ -58,7 +58,7 @@
 		return EFI_ST_FAILURE;
 	}
 
-	ret = runtime->set_variable(L"efi_st_var0", &guid_vendor0,
+	ret = runtime->set_variable(u"efi_st_var0", &guid_vendor0,
 				    EFI_VARIABLE_BOOTSERVICE_ACCESS |
 				    EFI_VARIABLE_RUNTIME_ACCESS,
 				    3, v + 4);
@@ -67,7 +67,7 @@
 		return EFI_ST_FAILURE;
 	}
 	len = EFI_ST_MAX_DATA_SIZE;
-	ret = runtime->get_variable(L"PlatformLangCodes", &guid_vendor0,
+	ret = runtime->get_variable(u"PlatformLangCodes", &guid_vendor0,
 				    &attr, &len, data);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("GetVariable failed\n");
diff --git a/lib/efi_selftest/initrddump.c b/lib/efi_selftest/initrddump.c
index efdcf0d..4648d54 100644
--- a/lib/efi_selftest/initrddump.c
+++ b/lib/efi_selftest/initrddump.c
@@ -150,7 +150,7 @@
 	struct efi_input_key key = {0};
 	efi_uintn_t index;
 	efi_uintn_t pos = 0;
-	u16 outbuf[2] = L" ";
+	u16 outbuf[2] = u" ";
 	efi_status_t ret;
 
 	/* Drain the console input */
@@ -165,7 +165,7 @@
 			continue;
 		switch (key.scan_code) {
 		case 0x17: /* Escape */
-			print(L"\r\nAborted\r\n");
+			print(u"\r\nAborted\r\n");
 			return EFI_ABORTED;
 		default:
 			break;
@@ -174,12 +174,12 @@
 		case 0x08: /* Backspace */
 			if (pos) {
 				buffer[pos--] = 0;
-				print(L"\b \b");
+				print(u"\b \b");
 			}
 			break;
 		case 0x0a: /* Linefeed */
 		case 0x0d: /* Carriage return */
-			print(L"\r\n");
+			print(u"\r\n");
 			return EFI_SUCCESS;
 		default:
 			break;
@@ -231,9 +231,9 @@
  */
 static void do_help(void)
 {
-	error(L"load          - show length and CRC32 of initial RAM disk\r\n");
-	error(L"save <initrd> - save initial RAM disk to file\r\n");
-	error(L"exit          - exit the shell\r\n");
+	error(u"load          - show length and CRC32 of initial RAM disk\r\n");
+	error(u"save <initrd> - save initial RAM disk to file\r\n");
+	error(u"exit          - exit the shell\r\n");
 }
 
 /**
@@ -255,7 +255,7 @@
 	*initrd_size = 0;
 	ret = bs->locate_device_path(&load_file2_guid, &dp, &handle);
 	if (ret != EFI_SUCCESS) {
-		error(L"Load File2 protocol not found\r\n");
+		error(u"Load File2 protocol not found\r\n");
 		return ret;
 	}
 	ret = bs->handle_protocol(handle, &load_file2_guid,
@@ -263,20 +263,20 @@
 	ret = load_file2_prot->load_file(load_file2_prot, dp, false,
 					 initrd_size, NULL);
 	if (ret != EFI_BUFFER_TOO_SMALL) {
-		error(L"Load File2 protocol does not provide file length\r\n");
+		error(u"Load File2 protocol does not provide file length\r\n");
 		return EFI_LOAD_ERROR;
 	}
 	ret = bs->allocate_pages(EFI_ALLOCATE_ANY_PAGES, EFI_LOADER_DATA,
 				 efi_size_in_pages(*initrd_size), &buffer);
 	if (ret != EFI_SUCCESS) {
-		error(L"Out of memory\r\n");
+		error(u"Out of memory\r\n");
 		return ret;
 	}
 	*initrd = (void *)(uintptr_t)buffer;
 	ret = load_file2_prot->load_file(load_file2_prot, dp, false,
 					 initrd_size, *initrd);
 	if (ret != EFI_SUCCESS) {
-		error(L"Load File2 protocol failed to provide file\r\n");
+		error(u"Load File2 protocol failed to provide file\r\n");
 		bs->free_pages(buffer, efi_size_in_pages(*initrd_size));
 		return EFI_LOAD_ERROR;
 	}
@@ -299,18 +299,18 @@
 	ret =  get_initrd(&initrd, &initrd_size);
 	if (ret != EFI_SUCCESS)
 		return ret;
-	print(L"length: 0x");
+	print(u"length: 0x");
 	printx(initrd_size, 1);
-	print(L"\r\n");
+	print(u"\r\n");
 
 	ret = bs->calculate_crc32(initrd, initrd_size, &crc32);
 	if (ret != EFI_SUCCESS) {
-		error(L"Calculating CRC32 failed\r\n");
+		error(u"Calculating CRC32 failed\r\n");
 		return EFI_LOAD_ERROR;
 	}
-	print(L"crc32: 0x");
+	print(u"crc32: 0x");
 	printx(crc32, 8);
-	print(L"\r\n");
+	print(u"\r\n");
 
 	return EFI_SUCCESS;
 }
@@ -340,7 +340,7 @@
 				(void **)&loaded_image, NULL, NULL,
 				EFI_OPEN_PROTOCOL_GET_PROTOCOL);
 	if (ret != EFI_SUCCESS) {
-		error(L"Loaded image protocol not found\r\n");
+		error(u"Loaded image protocol not found\r\n");
 		goto out;
 	}
 
@@ -350,26 +350,26 @@
 				(void **)&file_system, NULL, NULL,
 				EFI_OPEN_PROTOCOL_GET_PROTOCOL);
 	if (ret != EFI_SUCCESS) {
-		error(L"Failed to open simple file system protocol\r\n");
+		error(u"Failed to open simple file system protocol\r\n");
 		goto out;
 	}
 
 	/* Open volume */
 	ret = file_system->open_volume(file_system, &root);
 	if (ret != EFI_SUCCESS) {
-		error(L"Failed to open volume\r\n");
+		error(u"Failed to open volume\r\n");
 		goto out;
 	}
 	/* Check if file already exists */
 	ret = root->open(root, &file, filename, EFI_FILE_MODE_READ, 0);
 	if (ret == EFI_SUCCESS) {
 		file->close(file);
-		print(L"Overwrite existing file (y/n)? ");
+		print(u"Overwrite existing file (y/n)? ");
 		ret = efi_input_yn();
-		print(L"\r\n");
+		print(u"\r\n");
 		if (ret != EFI_SUCCESS) {
 			root->close(root);
-			error(L"Aborted by user\r\n");
+			error(u"Aborted by user\r\n");
 			goto out;
 		}
 	}
@@ -382,14 +382,14 @@
 		/* Write file */
 		ret = file->write(file, &initrd_size, initrd);
 		if (ret != EFI_SUCCESS) {
-			error(L"Failed to write file\r\n");
+			error(u"Failed to write file\r\n");
 		} else {
 			print(filename);
-			print(L" written\r\n");
+			print(u" written\r\n");
 		}
 		file->close(file);
 	} else {
-		error(L"Failed to open file\r\n");
+		error(u"Failed to open file\r\n");
 	}
 	root->close(root);
 
@@ -420,7 +420,7 @@
 	cout->set_attribute(cout, EFI_LIGHTBLUE | EFI_BACKGROUND_BLACK);
 	cout->clear_screen(cout);
 	cout->set_attribute(cout, EFI_WHITE | EFI_BACKGROUND_BLACK);
-	print(L"INITRD Dump\r\n========\r\n\r\n");
+	print(u"INITRD Dump\r\n========\r\n\r\n");
 	cout->set_attribute(cout, EFI_LIGHTBLUE | EFI_BACKGROUND_BLACK);
 
 	for (;;) {
@@ -428,16 +428,16 @@
 		u16 *pos;
 		efi_uintn_t ret;
 
-		print(L"=> ");
+		print(u"=> ");
 		ret = efi_input(command, sizeof(command));
 		if (ret == EFI_ABORTED)
 			break;
 		pos = skip_whitespace(command);
-		if (starts_with(pos, L"exit"))
+		if (starts_with(pos, u"exit"))
 			break;
-		else if (starts_with(pos, L"load"))
+		else if (starts_with(pos, u"load"))
 			do_load();
-		else if (starts_with(pos, L"save "))
+		else if (starts_with(pos, u"save "))
 			do_save(pos + 5);
 		else
 			do_help();