OvmfPkg LoadLinuxLib: Use kernel's EFI entry point where available

[mirror_edk2.git] / OvmfPkg / Library / LoadLinuxLib / Ia32 / JumpToKernel.asm

;------------------------------------------------------------------------------\r
;\r
; Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r
;\r
; This program and the accompanying materials\r
; are licensed and made available under the terms and conditions of the BSD License\r
; which accompanies this distribution.  The full text of the license may be found at\r
; http://opensource.org/licenses/bsd-license.php.\r
;\r
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
;\r
;------------------------------------------------------------------------------\r
\r
  .586p\r
  .model flat,C\r
  .code\r
\r
;------------------------------------------------------------------------------\r
; VOID\r
; EFIAPI\r
; JumpToKernel (\r
;   VOID *KernelStart,\r
;   VOID *KernelBootParams\r
;   );\r
;------------------------------------------------------------------------------\r
JumpToKernel PROC\r
\r
    mov     esi, [esp + 8]\r
    call    DWORD PTR [esp + 4]\r
    ret\r
\r
JumpToKernel ENDP\r
\r
;------------------------------------------------------------------------------\r
; VOID\r
; EFIAPI\r
; JumpToUefiKernel (\r
;   EFI_HANDLE ImageHandle,\r
;   EFI_SYSTEM_TABLE *SystemTable,\r
;   VOID *KernelBootParams,\r
;   VOID *KernelStart\r
;   );\r
;------------------------------------------------------------------------------\r
JumpToUefiKernel PROC\r
\r
    mov     eax, [esp + 12]\r
    mov     eax, [eax + 264h]\r
    add     eax, [esp + 16]\r
    jmp     eax\r
\r
JumpToUefiKernel ENDP\r
\r
END\r