mirror of https://github.com/acidanthera/audk.git
75 lines
1.8 KiB
ArmAsm
75 lines
1.8 KiB
ArmAsm
#------------------------------------------------------------------------------
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#
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# Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>
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# This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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# http://opensource.org/licenses/bsd-license.php.
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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# Module Name:
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#
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# SecEntry.S
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#
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# Abstract:
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#
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# This is the code that begins in protected mode.
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# It will transfer the control to pei core.
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#
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#------------------------------------------------------------------------------
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ASM_GLOBAL ASM_PFX(SecStartup)
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# Pcds
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ASM_GLOBAL ASM_PFX(PcdGet32 (PcdPayloadFdMemBase))
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#
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# SecCore Entry Point
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#
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# Processor is in flat protected mode
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#
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# @param[in] EAX Initial value of the EAX register (BIST: Built-in Self Test)
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# @param[in] DI 'BP': boot-strap processor, or 'AP': application processor
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# @param[in] EBP Pointer to the start of the Boot Firmware Volume
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#
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# @return None This routine does not return
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#
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ASM_GLOBAL ASM_PFX(_ModuleEntryPoint)
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ASM_PFX(_ModuleEntryPoint):
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#
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# Disable all the interrupts
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#
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cli
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#
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# Construct the temporary memory at 0x80000, length 0x10000
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#
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movl $(BASE_512KB + SIZE_64KB), %esp
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#
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# Pass BFV into the PEI Core
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#
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pushl ASM_PFX(PcdGet32 (PcdPayloadFdMemBase))
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#
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# Pass stack base into the PEI Core
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#
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pushl $BASE_512KB
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#
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# Pass stack size into the PEI Core
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#
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pushl $SIZE_64KB
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#
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# Pass Control into the PEI Core
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#
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call SecStartup
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#
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# Never return to here
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#
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jmp .
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