1 files changed, 11 insertions, 3 deletions

diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
index 0cdfc0d2315e..2c14e76bb4c7 100644
--- a/arch/x86/boot/compressed/eboot.c
+++ b/arch/x86/boot/compressed/eboot.c
@@ -904,11 +904,19 @@ struct boot_params *efi_main(void *handle, efi_system_table_t *_table)
 
         memset(boot_params, 0x0, 0x4000);
 
-        /* Copy first two sectors to boot_params */
-        memcpy(boot_params, image->image_base, 1024);
-
         hdr = &boot_params->hdr;
 
+        /* Copy the second sector to boot_params */
+        memcpy(&hdr->jump, image->image_base + 512, 512);
+
+        /*
+         * Fill out some of the header fields ourselves because the
+         * EFI firmware loader doesn't load the first sector.
+         */
+        hdr->root_flags = 1;
+        hdr->vid_mode = 0xffff;
+        hdr->boot_flag = 0xAA55;
+
         /*
          * The EFI firmware loader could have placed the kernel image
          * anywhere in memory, but the kernel has various restrictions