| /* ----------------------------------------------------------------------- * |
| * |
| * Copyright 2013 Intel Corporation; author: Matt Fleming |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, |
| * Boston MA 02110-1301, USA; either version 2 of the License, or |
| * (at your option) any later version; incorporated herein by reference. |
| * |
| * ----------------------------------------------------------------------- */ |
| |
| .globl kernel_jump |
| .type kernel_jump,@function |
| .text |
| kernel_jump: |
| cli |
| movl 0x8(%esp), %esi |
| movl 0x4(%esp), %ecx |
| jmp *%ecx |
| |
| /* |
| * The default handover function should only be invoked for |
| * bzImage boot protocol versions < 2.12. |
| */ |
| .globl efi_handover |
| .type efi_handover,@function |
| efi_handover: |
| cli |
| popl %ecx /* discard return address */ |
| movl 0xc(%esp), %ecx |
| jmp *%ecx |
| |
| .globl efi_handover_32 |
| .type efi_handover_32,@function |
| efi_handover_32: |
| cli |
| popl %ecx /* discard return address */ |
| movl 0xc(%esp), %ecx |
| call *%ecx |
| |
| .globl efi_handover_64 |
| .type efi_handover_64,@function |
| efi_handover_64: |
| call 1f |
| 1: |
| popl %eax |
| subl $1b, %eax |
| movl $38, errno(%eax) /* ENOSYS */ |
| ret |
