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authorHeinrich Schuchardt <xypron.glpk@gmx.de>2021-01-15 21:02:49 +0300
committerHeinrich Schuchardt <xypron.glpk@gmx.de>2021-01-19 20:56:08 +0300
commit2363effb7a689de66634ba325e57c2d6fc12f4e9 (patch)
treef6f00907e8ed29237814e4552cfe634dccbee746 /lib/efi_loader/efi_bootmgr.c
parentdb0dd72e27ce62c5b28f07595b91ed00d0565819 (diff)
downloadu-boot-2363effb7a689de66634ba325e57c2d6fc12f4e9.tar.xz
efi_loader: move load options to new module
Move all load options related functions to a new module. So that they can be compiled independently. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Diffstat (limited to 'lib/efi_loader/efi_bootmgr.c')
-rw-r--r--lib/efi_loader/efi_bootmgr.c135
1 files changed, 0 insertions, 135 deletions
diff --git a/lib/efi_loader/efi_bootmgr.c b/lib/efi_loader/efi_bootmgr.c
index d3be2f94c6..25f5cebfdb 100644
--- a/lib/efi_loader/efi_bootmgr.c
+++ b/lib/efi_loader/efi_bootmgr.c
@@ -31,141 +31,6 @@ static const struct efi_runtime_services *rs;
*/
/**
- * efi_set_load_options() - set the load options of a loaded image
- *
- * @handle: the image handle
- * @load_options_size: size of load options
- * @load_options: pointer to load options
- * Return: status code
- */
-efi_status_t efi_set_load_options(efi_handle_t handle,
- efi_uintn_t load_options_size,
- void *load_options)
-{
- struct efi_loaded_image *loaded_image_info;
- efi_status_t ret;
-
- ret = EFI_CALL(systab.boottime->open_protocol(
- handle,
- &efi_guid_loaded_image,
- (void **)&loaded_image_info,
- efi_root, NULL,
- EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL));
- if (ret != EFI_SUCCESS)
- return EFI_INVALID_PARAMETER;
-
- loaded_image_info->load_options = load_options;
- loaded_image_info->load_options_size = load_options_size;
-
- return EFI_CALL(systab.boottime->close_protocol(handle,
- &efi_guid_loaded_image,
- efi_root, NULL));
-}
-
-
-/**
- * efi_deserialize_load_option() - parse serialized data
- *
- * Parse serialized data describing a load option and transform it to the
- * efi_load_option structure.
- *
- * @lo: pointer to target
- * @data: serialized data
- * @size: size of the load option, on return size of the optional data
- * Return: status code
- */
-efi_status_t efi_deserialize_load_option(struct efi_load_option *lo, u8 *data,
- efi_uintn_t *size)
-{
- efi_uintn_t len;
-
- len = sizeof(u32);
- if (*size < len + 2 * sizeof(u16))
- return EFI_INVALID_PARAMETER;
- lo->attributes = get_unaligned_le32(data);
- data += len;
- *size -= len;
-
- len = sizeof(u16);
- lo->file_path_length = get_unaligned_le16(data);
- data += len;
- *size -= len;
-
- lo->label = (u16 *)data;
- len = u16_strnlen(lo->label, *size / sizeof(u16) - 1);
- if (lo->label[len])
- return EFI_INVALID_PARAMETER;
- len = (len + 1) * sizeof(u16);
- if (*size < len)
- return EFI_INVALID_PARAMETER;
- data += len;
- *size -= len;
-
- len = lo->file_path_length;
- if (*size < len)
- return EFI_INVALID_PARAMETER;
- lo->file_path = (struct efi_device_path *)data;
- if (efi_dp_check_length(lo->file_path, len) < 0)
- return EFI_INVALID_PARAMETER;
- data += len;
- *size -= len;
-
- lo->optional_data = data;
-
- return EFI_SUCCESS;
-}
-
-/**
- * efi_serialize_load_option() - serialize load option
- *
- * Serialize efi_load_option structure into byte stream for BootXXXX.
- *
- * @data: buffer for serialized data
- * @lo: load option
- * Return: size of allocated buffer
- */
-unsigned long efi_serialize_load_option(struct efi_load_option *lo, u8 **data)
-{
- unsigned long label_len;
- unsigned long size;
- u8 *p;
-
- label_len = (u16_strlen(lo->label) + 1) * sizeof(u16);
-
- /* total size */
- size = sizeof(lo->attributes);
- size += sizeof(lo->file_path_length);
- size += label_len;
- size += lo->file_path_length;
- if (lo->optional_data)
- size += (utf8_utf16_strlen((const char *)lo->optional_data)
- + 1) * sizeof(u16);
- p = malloc(size);
- if (!p)
- return 0;
-
- /* copy data */
- *data = p;
- memcpy(p, &lo->attributes, sizeof(lo->attributes));
- p += sizeof(lo->attributes);
-
- memcpy(p, &lo->file_path_length, sizeof(lo->file_path_length));
- p += sizeof(lo->file_path_length);
-
- memcpy(p, lo->label, label_len);
- p += label_len;
-
- memcpy(p, lo->file_path, lo->file_path_length);
- p += lo->file_path_length;
-
- if (lo->optional_data) {
- utf8_utf16_strcpy((u16 **)&p, (const char *)lo->optional_data);
- p += sizeof(u16); /* size of trailing \0 */
- }
- return size;
-}
-
-/**
* get_var() - get UEFI variable
*
* It is the caller's duty to free the returned buffer.