+++ /dev/null
-#------------------------------------------------------------------------------\r
-#\r
-# Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>\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
-# Module Name:\r
-#\r
-# SecEntry.S\r
-#\r
-# Abstract:\r
-#\r
-# This is the code that begins in protected mode.\r
-# It will transfer the control to pei core.\r
-#\r
-#------------------------------------------------------------------------------\r
-\r
-ASM_GLOBAL ASM_PFX(SecStartup)\r
-\r
-# Pcds\r
-ASM_GLOBAL ASM_PFX(PcdGet32 (PcdPayloadFdMemBase))\r
-\r
-#\r
-# SecCore Entry Point\r
-#\r
-# Processor is in flat protected mode\r
-#\r
-# @param[in] EAX Initial value of the EAX register (BIST: Built-in Self Test)\r
-# @param[in] DI 'BP': boot-strap processor, or 'AP': application processor\r
-# @param[in] EBP Pointer to the start of the Boot Firmware Volume\r
-#\r
-# @return None This routine does not return\r
-#\r
-ASM_GLOBAL ASM_PFX(_ModuleEntryPoint)\r
-ASM_PFX(_ModuleEntryPoint):\r
- #\r
- # Disable all the interrupts\r
- #\r
- cli\r
- \r
- #\r
- # Construct the temporary memory at 0x80000, length 0x10000\r
- #\r
- movl $(BASE_512KB + SIZE_64KB), %esp\r
-\r
- #\r
- # Pass BFV into the PEI Core\r
- #\r
- pushl ASM_PFX(PcdGet32 (PcdPayloadFdMemBase))\r
- \r
- #\r
- # Pass stack base into the PEI Core\r
- #\r
- pushl $BASE_512KB\r
-\r
- #\r
- # Pass stack size into the PEI Core\r
- #\r
- pushl $SIZE_64KB\r
-\r
- #\r
- # Pass Control into the PEI Core\r
- #\r
- call SecStartup\r
- \r
- #\r
- # Never return to here\r
- #\r
- jmp .\r
+++ /dev/null
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>
-# 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.
-#
-# Abstract:
-#
-# Switch the stack from temporary memory to permanent memory.\r
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# VOID
-# EFIAPI
-# SecSwitchStack (
-# UINT32 TemporaryMemoryBase,
-# UINT32 PermenentMemoryBase
-# )#
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX (SecSwitchStack)
-ASM_PFX(SecSwitchStack):
- #
- # Save standard registers so they can be used to change stack
- #
- pushl %eax
- pushl %ebx
- pushl %ecx
- pushl %edx
-
- #
- # !!CAUTION!! this function address's is pushed into stack after
- # migration of whole temporary memory, so need save it to permanent\r
- # memory at first!
- #
- movl 20(%esp), %ebx # Save the first parameter
- movl 24(%esp), %ecx # Save the second parameter
-
- #
- # Save this function's return address into permanent memory at first.\r
- # Then, Fixup the esp point to permanent memory\r
- #
- movl %esp, %eax
- subl %ebx, %eax
- addl %ecx, %eax
- movl 0(%esp), %edx # copy pushed register's value to permanent memory\r
- movl %edx, 0(%eax)
- movl 4(%esp), %edx
- movl %edx, 4(%eax)
- movl 8(%esp), %edx
- movl %edx, 8(%eax)
- movl 12(%esp), %edx
- movl %edx, 12(%eax)
- movl 16(%esp), %edx # Update this function's return address into permanent memory\r
- movl %edx, 16(%eax)
- movl %eax, %esp # From now, esp is pointed to permanent memory\r
-
- #
- # Fixup the ebp point to permanent memory\r
- #
- movl %ebp, %eax
- subl %ebx, %eax
- addl %ecx, %eax
- movl %eax, %ebp # From now, ebp is pointed to permanent memory\r
-
- popl %edx
- popl %ecx
- popl %ebx
- popl %eax
- ret
-
-