kernel_info is a symbol at the start of the following «fields»: LToP | Magic, 4 Bytes (0x506f544c) |
Size of kernel_info | 4 Bytes |
Maximal allowed type for setup_data and setup_indirect structs | Value of SETUP_TYPE_MAX, 4 Bytes |
kernel_info_offset of the setup_header struct is filled by arch/x86/boot/tools/build with the address of kernel_info.