1 files changed, 6 insertions, 1 deletions

diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S
index f3140e596d40..8353c81c41c0 100644
--- a/arch/x86/boot/header.S
+++ b/arch/x86/boot/header.S
@@ -119,7 +119,7 @@ _start:
         # Part 2 of the header, from the old setup.S
 
                 .ascii  "HdrS"          # header signature
-                .word   0x0206          # header version number (>= 0x0105)
+                .word   0x0207          # header version number (>= 0x0105)
                                         # or else old loadlin-1.5 will fail)
                 .globl realmode_swtch
 realmode_swtch: .word   0, 0            # default_switch, SETUPSEG
@@ -214,6 +214,11 @@ cmdline_size:   .long   COMMAND_LINE_SIZE-1     #length of the command line,
                                                 #added with boot protocol
                                                 #version 2.06
 
+hardware_subarch:       .long 0                 # subarchitecture, added with 2.07
+                                                # default to 0 for normal x86 PC
+
+hardware_subarch_data:  .quad 0
+
 # End of setup header #####################################################
 
         .section ".inittext", "ax"