TITLE SecEntry.asm ;------------------------------------------------------------------------------ ;* ;* Copyright 2006 - 2009, Intel Corporation ;* All rights reserved. This program and the accompanying materials ;* are licensed and made available under the terms and conditions of the BSD License ;* which accompanies this distribution. The full text of the license may be found at ;* http://opensource.org/licenses/bsd-license.php ;* ;* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, ;* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. ;* ;* CpuAsm.asm ;* ;* Abstract: ;* ;------------------------------------------------------------------------------ #include "SecMain.h" .code EXTERN SecCoreStartupWithStack:PROC ; ; SecCore Entry Point ; ; Processor is in flat protected mode ; ; @param ESI Pointer to SEC Core Entry Point (this function) ; @param EDI Pointer to PEI Core Entry Point ; @param EBP Pointer to the start of the Boot Firmware Volume ; ; @return None ; ; _ModuleEntryPoint PROC PUBLIC ; ; Load temporary stack top at very low memory. The C code ; can reload to a better address. ; mov rsp, INITIAL_TOP_OF_STACK nop ; ; Setup parameters and call SecCoreStartupWithStack ; rcx: BootFirmwareVolumePtr ; rdx: SecCoreEntryPoint ; r8: PeiCoreEntryPoint ; r9: TopOfCurrentStack ; mov rcx, rbp mov rdx, rsi mov r8, rdi mov r9, rsp sub rsp, 20h call SecCoreStartupWithStack _ModuleEntryPoint ENDP END