1 files changed, 105 insertions, 0 deletions
diff --git a/arch/efi/efi/efi-image.c b/arch/efi/efi/efi-image.c
new file mode 100644
index 0000000000..18757d2697
--- /dev/null
+++ b/arch/efi/efi/efi-image.c
@@ -0,0 +1,105 @@
+/*
+ * efi-image.c - barebox EFI payload support
+ *
+ * Copyright (c) 2014 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <common.h>
+#include <sizes.h>
+#include <memory.h>
+#include <command.h>
+#include <magicvar.h>
+#include <init.h>
+#include <driver.h>
+#include <io.h>
+#include <efi.h>
+#include <malloc.h>
+#include <string.h>
+#include <linux/err.h>
+#include <boot.h>
+#include <fs.h>
+#include <binfmt.h>
+#include <wchar.h>
+#include <mach/efi.h>
+#include <mach/efi-device.h>
+
+static int efi_execute_image(const char *file)
+{
+	void *exe;
+	size_t size;
+	efi_handle_t handle;
+	efi_status_t efiret;
+	const char *options;
+	efi_loaded_image_t *loaded_image;
+
+	exe = read_file(file, &size);
+	if (!exe)
+		return -EINVAL;
+
+	efiret = BS->load_image(false, efi_parent_image, efi_device_path, exe, size,
+			&handle);
+	if (EFI_ERROR(efiret)) {
+		pr_err("failed to LoadImage: %s\n", efi_strerror(efiret));
+		return -efi_errno(efiret);;
+	};
+
+	efiret = BS->open_protocol(handle, &efi_loaded_image_protocol_guid,
+			(void **)&loaded_image,
+			efi_parent_image, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
+	if (EFI_ERROR(efiret))
+		return -efi_errno(efiret);
+
+	options = linux_bootargs_get();
+	loaded_image->load_options = strdup_char_to_wchar(options);
+	loaded_image->load_options_size = (strlen(options) + 1) * sizeof(wchar_t);
+
+	efiret = BS->start_image(handle, NULL, NULL);
+
+	efi_connect_all();
+	efi_register_devices();
+
+	return 0;
+}
+
+static int do_bootm_efi(struct image_data *data)
+{
+	return efi_execute_image(data->os_file);
+}
+
+static struct image_handler efi_handle_tr = {
+	.name = "EFI Application",
+	.bootm = do_bootm_efi,
+	.filetype = filetype_exe,
+};
+
+static int efi_execute(struct binfmt_hook *b, char *file, int argc, char **argv)
+{
+	return efi_execute_image(file);
+}
+
+static struct binfmt_hook binfmt_efi_hook = {
+	.type = filetype_exe,
+	.hook = efi_execute,
+};
+
+static int efi_register_image_handler(void)
+{
+	register_image_handler(&efi_handle_tr);
+	binfmt_register(&binfmt_efi_hook);
+
+	return 0;
+}
+late_initcall(efi_register_image_handler);