OvmfPkg/Library/LoadLinuxLib/Ia32/JumpToKernel.nasm

   1 ;------------------------------------------------------------------------------
   2 ;
   3 ; Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
   4 ;
   5 ; This program and the accompanying materials
   6 ; are licensed and made available under the terms and conditions of the BSD License
   7 ; which accompanies this distribution.  The full text of the license may be found at
   8 ; http://opensource.org/licenses/bsd-license.php.
   9 ;
  10 ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12 ;
  13 ;------------------------------------------------------------------------------
  14
  15   SECTION .text
  16
  17 ;------------------------------------------------------------------------------
  18 ; VOID
  19 ; EFIAPI
  20 ; JumpToKernel (
  21 ;   VOID *KernelStart,
  22 ;   VOID *KernelBootParams
  23 ;   );
  24 ;------------------------------------------------------------------------------
  25 global ASM_PFX(JumpToKernel)
  26 ASM_PFX(JumpToKernel):
  27
  28     mov     esi, [esp + 8]
  29     call    DWORD [esp + 4]
  30     ret
  31
  32 ;------------------------------------------------------------------------------
  33 ; VOID
  34 ; EFIAPI
  35 ; JumpToUefiKernel (
  36 ;   EFI_HANDLE ImageHandle,
  37 ;   EFI_SYSTEM_TABLE *SystemTable,
  38 ;   VOID *KernelBootParams,
  39 ;   VOID *KernelStart
  40 ;   );
  41 ;------------------------------------------------------------------------------
  42 global ASM_PFX(JumpToUefiKernel)
  43 ASM_PFX(JumpToUefiKernel):
  44
  45     mov     eax, [esp + 12]
  46     mov     eax, [eax + 0x264]
  47     add     eax, [esp + 16]
  48     jmp     eax
  49