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Diffstat (limited to 'lib/efi_loader/efi_helper.c')
-rw-r--r--lib/efi_loader/efi_helper.c31
1 files changed, 30 insertions, 1 deletions
diff --git a/lib/efi_loader/efi_helper.c b/lib/efi_loader/efi_helper.c
index 8c32059edda..19fb5d03fec 100644
--- a/lib/efi_loader/efi_helper.c
+++ b/lib/efi_loader/efi_helper.c
@@ -485,7 +485,7 @@ static efi_status_t copy_fdt(void **fdtp)
* needs to be expanded later.
*/
fdt = *fdtp;
- fdt_pages = efi_size_in_pages(fdt_totalsize(fdt) + 0x3000);
+ fdt_pages = efi_size_in_pages(fdt_totalsize(fdt) + CONFIG_SYS_FDT_PAD);
fdt_size = fdt_pages << EFI_PAGE_SHIFT;
ret = efi_allocate_pages(EFI_ALLOCATE_ANY_PAGES,
@@ -623,6 +623,35 @@ efi_status_t efi_install_fdt(void *fdt)
}
/**
+ * efi_install_initrd() - install initrd
+ *
+ * Install the initrd located at @initrd using the EFI_LOAD_FILE2
+ * protocol.
+ *
+ * @initrd: address of initrd or NULL if none is provided
+ * @initrd_sz: size of initrd
+ * Return: status code
+ */
+efi_status_t efi_install_initrd(void *initrd, size_t initd_sz)
+{
+ efi_status_t ret;
+ struct efi_device_path *dp_initrd;
+
+ if (!initrd)
+ return EFI_SUCCESS;
+
+ dp_initrd = efi_dp_from_mem(EFI_LOADER_DATA, (uintptr_t)initrd, initd_sz);
+ if (!dp_initrd)
+ return EFI_OUT_OF_RESOURCES;
+
+ ret = efi_initrd_register(dp_initrd);
+ if (ret != EFI_SUCCESS)
+ efi_free_pool(dp_initrd);
+
+ return ret;
+}
+
+/**
* do_bootefi_exec() - execute EFI binary
*
* The image indicated by @handle is started. When it returns the allocated