CorebootModulePkg/SecCore: Remove .S files for IA32 arch
.nasm file has been added for X86 arch. .S assembly code is not required any more. https://bugzilla.tianocore.org/show_bug.cgi?id=1594 Cc: Maurice Ma <maurice.ma@intel.com> Cc: Prince Agyeman <prince.agyeman@intel.com> Cc: Benjamin You <benjamin.you@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Shenglei Zhang <shenglei.zhang@intel.com> Reviewed-by: Maurice Ma <maurice.ma@intel.com>
This commit is contained in:
Shenglei Zhang
Liming Gao
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fb5c9ed843
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57b6844503
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#------------------------------------------------------------------------------
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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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#------------------------------------------------------------------------------
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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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# Abstract:
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#
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# Switch the stack from temporary memory to permanent memory.
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#
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#------------------------------------------------------------------------------
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#------------------------------------------------------------------------------
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# VOID
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# EFIAPI
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# SecSwitchStack (
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# UINT32 TemporaryMemoryBase,
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# UINT32 PermenentMemoryBase
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# )#
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#------------------------------------------------------------------------------
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ASM_GLOBAL ASM_PFX (SecSwitchStack)
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ASM_PFX(SecSwitchStack):
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#
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# Save standard registers so they can be used to change stack
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#
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pushl %eax
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pushl %ebx
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pushl %ecx
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pushl %edx
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#
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# !!CAUTION!! this function address's is pushed into stack after
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# migration of whole temporary memory, so need save it to permanent
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# memory at first!
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#
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movl 20(%esp), %ebx # Save the first parameter
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movl 24(%esp), %ecx # Save the second parameter
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#
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# Save this function's return address into permanent memory at first.
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# Then, Fixup the esp point to permanent memory
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#
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movl %esp, %eax
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subl %ebx, %eax
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addl %ecx, %eax
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movl 0(%esp), %edx # copy pushed register's value to permanent memory
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movl %edx, 0(%eax)
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movl 4(%esp), %edx
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movl %edx, 4(%eax)
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movl 8(%esp), %edx
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movl %edx, 8(%eax)
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movl 12(%esp), %edx
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movl %edx, 12(%eax)
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movl 16(%esp), %edx # Update this function's return address into permanent memory
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movl %edx, 16(%eax)
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movl %eax, %esp # From now, esp is pointed to permanent memory
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#
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# Fixup the ebp point to permanent memory
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#
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movl %ebp, %eax
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subl %ebx, %eax
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addl %ecx, %eax
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movl %eax, %ebp # From now, ebp is pointed to permanent memory
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popl %edx
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popl %ecx
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popl %ebx
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popl %eax
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ret
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