| # 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 <Base.h> |
| |
| #EXTERN ASM_PFX(SecCoreStartupWithStack) |
| |
| # |
| # SecCore Entry Point |
| # |
| # Processor is in flat protected mode |
| # |
| # @param[in] RAX Initial value of the EAX register (BIST: Built-in Self Test) |
| # @param[in] DI 'BP': boot-strap processor, or 'AP': application processor |
| # @param[in] RBP Pointer to the start of the Boot Firmware Volume |
| # |
| # @return None This routine does not return |
| # |
| ASM_GLOBAL ASM_PFX(_ModuleEntryPoint) |
| ASM_PFX(_ModuleEntryPoint): |
| |
| # |
| # Load temporary stack top at very low memory. The C code |
| # can reload to a better address. |
| # |
| movq $BASE_512KB, %rsp |
| nop |
| |
| # |
| # Setup parameters and call SecCoreStartupWithStack |
| # rcx: BootFirmwareVolumePtr |
| # rdx: TopOfCurrentStack |
| # |
| movq %rbp, %rcx |
| movq %rsp, %rdx |
| subq $0x20, %rsp |
| call ASM_PFX(SecCoreStartupWithStack) |
| |
