#------------------------------------------------------------------------------ # # Copyright (c) 2013, 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. # # Module Name: # # SecEntry.S # # Abstract: # # This is the code that begins in protected mode. # It will transfer the control to pei core. # #------------------------------------------------------------------------------ ASM_GLOBAL ASM_PFX(SecStartup) # Pcds ASM_GLOBAL ASM_PFX(PcdGet32 (PcdPayloadFdMemBase)) # # SecCore Entry Point # # Processor is in flat protected mode # # @param[in] EAX Initial value of the EAX register (BIST: Built-in Self Test) # @param[in] DI 'BP': boot-strap processor, or 'AP': application processor # @param[in] EBP Pointer to the start of the Boot Firmware Volume # # @return None This routine does not return # ASM_GLOBAL ASM_PFX(_ModuleEntryPoint) ASM_PFX(_ModuleEntryPoint): # # Disable all the interrupts # cli # # Construct the temporary memory at 0x80000, length 0x10000 # movl $(BASE_512KB + SIZE_64KB), %esp # # Pass BFV into the PEI Core # pushl ASM_PFX(PcdGet32 (PcdPayloadFdMemBase)) # # Pass stack base into the PEI Core # pushl $BASE_512KB # # Pass stack size into the PEI Core # pushl $SIZE_64KB # # Pass Control into the PEI Core # call SecStartup # # Never return to here # jmp .