mirror of https://github.com/acidanthera/audk.git
IntelFsp2WrapperPkg SecFspWrapperPlatformSecLibSample: Remove MASM/GAS files
Keep NASM file only for new added modules. Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Giri Mudusuru <giri.p.mudusuru@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Liming Gao <liming.gao@intel.com> Reviewed-by: Giri P Mudusuru <giri.p.mudusuru@intel.com>
This commit is contained in:
Liming Gao
parent
b422ddb215
commit
ce545345b1
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#------------------------------------------------------------------------------
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#
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# Copyright (c) 2014, 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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# PeiCoreEntry.S
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#
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# Abstract:
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#
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# Find and call SecStartup
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#
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#------------------------------------------------------------------------------
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ASM_GLOBAL ASM_PFX(CallPeiCoreEntryPoint)
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ASM_PFX(CallPeiCoreEntryPoint):
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#
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# Obtain the hob list pointer
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#
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movl 0x4(%esp), %eax
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#
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# Obtain the stack information
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# ECX: start of range
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# EDX: end of range
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#
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movl 0x8(%esp), %ecx
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movl 0xC(%esp), %edx
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#
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# Platform init
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#
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pushal
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pushl %edx
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pushl %ecx
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pushl %eax
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call ASM_PFX(PlatformInit)
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popl %eax
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popl %eax
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popl %eax
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popal
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#
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# Set stack top pointer
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#
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movl %edx, %esp
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#
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# Push the hob list pointer
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#
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pushl %eax
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#
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# Save the value
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# ECX: start of range
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# EDX: end of range
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#
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movl %esp, %ebp
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pushl %ecx
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pushl %edx
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#
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# Push processor count to stack first, then BIST status (AP then BSP)
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#
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movl $1, %eax
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cpuid
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shr $16, %ebx
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andl $0x000000FF, %ebx
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cmp $1, %bl
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jae PushProcessorCount
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#
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# Some processors report 0 logical processors. Effectively 0 = 1.
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# So we fix up the processor count
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#
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inc %ebx
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PushProcessorCount:
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pushl %ebx
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#
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# We need to implement a long-term solution for BIST capture. For now, we just copy BSP BIST
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# for all processor threads
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#
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xorl %ecx, %ecx
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movb %bl, %cl
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PushBist:
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movd %mm0, %eax
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pushl %eax
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loop PushBist
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# Save Time-Stamp Counter
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movd %mm5, %eax
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pushl %eax
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movd %mm6, %eax
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pushl %eax
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#
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# Pass entry point of the PEI core
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#
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movl $0xFFFFFFE0, %edi
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pushl %ds:(%edi)
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#
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# Pass BFV into the PEI Core
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#
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movl $0xFFFFFFFC, %edi
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pushl %ds:(%edi)
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#
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# Pass stack size into the PEI Core
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#
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movl -4(%ebp), %ecx
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movl -8(%ebp), %edx
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pushl %ecx # RamBase
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subl %ecx, %edx
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pushl %edx # RamSize
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#
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# Pass Control into the PEI Core
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#
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call ASM_PFX(SecStartup)
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@ -1,140 +0,0 @@
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;------------------------------------------------------------------------------
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;
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; Copyright (c) 2014, 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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; PeiCoreEntry.asm
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;
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; Abstract:
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;
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; Find and call SecStartup
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;
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;------------------------------------------------------------------------------
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.686p
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.xmm
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.model flat, c
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.code
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EXTRN SecStartup:NEAR
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EXTRN PlatformInit:NEAR
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CallPeiCoreEntryPoint PROC PUBLIC
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;
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; Obtain the hob list pointer
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;
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mov eax, [esp+4]
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;
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; Obtain the stack information
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; ECX: start of range
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; EDX: end of range
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;
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mov ecx, [esp+8]
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mov edx, [esp+0Ch]
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;
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; Platform init
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;
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pushad
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push edx
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push ecx
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push eax
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call PlatformInit
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pop eax
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pop eax
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pop eax
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popad
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;
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; Set stack top pointer
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;
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mov esp, edx
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;
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; Push the hob list pointer
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;
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push eax
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;
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; Save the value
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; ECX: start of range
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; EDX: end of range
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;
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mov ebp, esp
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push ecx
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push edx
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;
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; Push processor count to stack first, then BIST status (AP then BSP)
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;
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mov eax, 1
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cpuid
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shr ebx, 16
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and ebx, 0000000FFh
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cmp bl, 1
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jae PushProcessorCount
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;
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; Some processors report 0 logical processors. Effectively 0 = 1.
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; So we fix up the processor count
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;
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inc ebx
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PushProcessorCount:
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push ebx
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;
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; We need to implement a long-term solution for BIST capture. For now, we just copy BSP BIST
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; for all processor threads
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;
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xor ecx, ecx
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mov cl, bl
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PushBist:
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movd eax, mm0
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push eax
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loop PushBist
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; Save Time-Stamp Counter
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movd eax, mm5
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push eax
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movd eax, mm6
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push eax
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;
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; Pass entry point of the PEI core
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;
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mov edi, 0FFFFFFE0h
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push DWORD PTR ds:[edi]
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;
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; Pass BFV into the PEI Core
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;
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mov edi, 0FFFFFFFCh
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push DWORD PTR ds:[edi]
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;
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; Pass stack size into the PEI Core
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;
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mov ecx, [ebp - 4]
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mov edx, [ebp - 8]
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push ecx ; RamBase
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sub edx, ecx
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push edx ; RamSize
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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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CallPeiCoreEntryPoint ENDP
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END
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@ -1,336 +0,0 @@
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#------------------------------------------------------------------------------
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#
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# Copyright (c) 2014, 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 goes from real-mode to protected mode.
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# It consumes the reset vector, calls TempRamInit API from FSP binary.
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#
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#------------------------------------------------------------------------------
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#include "Fsp.h"
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ASM_GLOBAL ASM_PFX(_gPcd_FixedAtBuild_PcdFsptBaseAddress)
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ASM_GLOBAL ASM_PFX(_TEXT_REALMODE)
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ASM_PFX(_TEXT_REALMODE):
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#----------------------------------------------------------------------------
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#
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# Procedure: _ModuleEntryPoint
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#
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# Input: None
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#
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# Output: None
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#
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# Destroys: Assume all registers
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#
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# Description:
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#
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# Transition to non-paged flat-model protected mode from a
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# hard-coded GDT that provides exactly two descriptors.
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# This is a bare bones transition to protected mode only
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# used for a while in PEI and possibly DXE.
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#
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# After enabling protected mode, a far jump is executed to
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# transfer to PEI using the newly loaded GDT.
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#
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# Return: None
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#
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# MMX Usage:
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# MM0 = BIST State
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# MM5 = Save time-stamp counter value high32bit
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# MM6 = Save time-stamp counter value low32bit.
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#
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#----------------------------------------------------------------------------
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.align 4
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ASM_GLOBAL ASM_PFX(_ModuleEntryPoint)
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ASM_PFX(_ModuleEntryPoint):
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fninit # clear any pending Floating point exceptions
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#
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# Store the BIST value in mm0
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#
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movd %eax, %mm0
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#
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# Save time-stamp counter value
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# rdtsc load 64bit time-stamp counter to EDX:EAX
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#
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rdtsc
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movd %edx, %mm5
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movd %ecx, %mm6
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#
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# Load the GDT table in GdtDesc
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#
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movl $GdtDesc, %esi
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.byte 0x66
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lgdt %cs:(%si)
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#
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# Transition to 16 bit protected mode
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#
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movl %cr0, %eax # Get control register 0
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orl $0x00000003, %eax # Set PE bit (bit #0) & MP bit (bit #1)
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movl %eax, %cr0 # Activate protected mode
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movl %cr4, %eax # Get control register 4
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orl $0x00000600, %eax # Set OSFXSR bit (bit #9) & OSXMMEXCPT bit (bit #10)
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movl %eax, %cr4
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#
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# Now we're in 16 bit protected mode
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# Set up the selectors for 32 bit protected mode entry
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#
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movw SYS_DATA_SEL, %ax
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movw %ax, %ds
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movw %ax, %es
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movw %ax, %fs
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movw %ax, %gs
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movw %ax, %ss
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#
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# Transition to Flat 32 bit protected mode
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# The jump to a far pointer causes the transition to 32 bit mode
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#
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movl ASM_PFX(ProtectedModeEntryLinearAddress), %esi
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jmp *%cs:(%si)
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ASM_GLOBAL ASM_PFX(_TEXT_PROTECTED_MODE)
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ASM_PFX(_TEXT_PROTECTED_MODE):
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#----------------------------------------------------------------------------
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#
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# Procedure: ProtectedModeEntryPoint
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#
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# Input: None
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#
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# Output: None
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#
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# Destroys: Assume all registers
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#
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# Description:
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#
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# This function handles:
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# Call two basic APIs from FSP binary
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# Initializes stack with some early data (BIST, PEI entry, etc)
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#
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# Return: None
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#
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#----------------------------------------------------------------------------
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.align 4
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ASM_GLOBAL ASM_PFX(ProtectedModeEntryPoint)
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ASM_PFX(ProtectedModeEntryPoint):
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# Find the fsp info header
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movl ASM_PFX(_gPcd_FixedAtBuild_PcdFsptBaseAddress), %edi
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movl FVH_SIGINATURE_OFFSET(%edi), %eax
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cmp $FVH_SIGINATURE_VALID_VALUE, %eax
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jnz FspHeaderNotFound
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xorl %eax, %eax
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movw FVH_EXTHEADER_OFFSET_OFFSET(%edi), %ax
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cmp %ax, 0
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jnz FspFvExtHeaderExist
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xorl %eax, %eax
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movw FVH_HEADER_LENGTH_OFFSET(%edi), %ax # Bypass Fv Header
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addl %eax, %edi
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jmp FspCheckFfsHeader
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FspFvExtHeaderExist:
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addl %eax, %edi
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movl FVH_EXTHEADER_SIZE_OFFSET(%edi), %eax # Bypass Ext Fv Header
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addl %eax, %edi
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# Round up to 8 byte alignment
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movl %edi, %eax
|
|
||||||
andb $0x07, %al
|
|
||||||
jz FspCheckFfsHeader
|
|
||||||
|
|
||||||
and $0xFFFFFFF8, %edi
|
|
||||||
add $0x08, %edi
|
|
||||||
|
|
||||||
FspCheckFfsHeader:
|
|
||||||
# Check the ffs guid
|
|
||||||
movl (%edi), %eax
|
|
||||||
cmp $FSP_HEADER_GUID_DWORD1, %eax
|
|
||||||
jnz FspHeaderNotFound
|
|
||||||
|
|
||||||
movl 0x4(%edi), %eax
|
|
||||||
cmp $FSP_HEADER_GUID_DWORD2, %eax
|
|
||||||
jnz FspHeaderNotFound
|
|
||||||
|
|
||||||
movl 0x08(%edi), %eax
|
|
||||||
cmp $FSP_HEADER_GUID_DWORD3, %eax
|
|
||||||
jnz FspHeaderNotFound
|
|
||||||
|
|
||||||
movl 0x0c(%edi), %eax
|
|
||||||
cmp $FSP_HEADER_GUID_DWORD4, %eax
|
|
||||||
jnz FspHeaderNotFound
|
|
||||||
|
|
||||||
add $FFS_HEADER_SIZE_VALUE, %edi # Bypass the ffs header
|
|
||||||
|
|
||||||
# Check the section type as raw section
|
|
||||||
movb SECTION_HEADER_TYPE_OFFSET(%edi), %al
|
|
||||||
cmp $0x19, %al
|
|
||||||
jnz FspHeaderNotFound
|
|
||||||
|
|
||||||
addl $RAW_SECTION_HEADER_SIZE_VALUE, %edi # Bypass the section header
|
|
||||||
jmp FspHeaderFound
|
|
||||||
|
|
||||||
FspHeaderNotFound:
|
|
||||||
jmp .
|
|
||||||
|
|
||||||
FspHeaderFound:
|
|
||||||
# Get the fsp TempRamInit Api address
|
|
||||||
movl FSP_HEADER_IMAGEBASE_OFFSET(%edi), %eax
|
|
||||||
addl FSP_HEADER_TEMPRAMINIT_OFFSET(%edi), %eax
|
|
||||||
|
|
||||||
# Setup the hardcode stack
|
|
||||||
movl $TempRamInitStack, %esp
|
|
||||||
|
|
||||||
# Call the fsp TempRamInit Api
|
|
||||||
jmp *%eax
|
|
||||||
|
|
||||||
TempRamInitDone:
|
|
||||||
cmp $0x8000000E, %eax #Check if EFI_NOT_FOUND returned. Error code for Microcode Update not found.
|
|
||||||
je CallSecFspInit #If microcode not found, don't hang, but continue.
|
|
||||||
|
|
||||||
cmp $0x0, %eax
|
|
||||||
jnz FspApiFailed
|
|
||||||
|
|
||||||
# ECX: start of range
|
|
||||||
# EDX: end of range
|
|
||||||
CallSecFspInit:
|
|
||||||
xorl %eax, %eax
|
|
||||||
movl %edx, %esp
|
|
||||||
|
|
||||||
# Align the stack at DWORD
|
|
||||||
addl $3, %esp
|
|
||||||
andl $0xFFFFFFFC, %esp
|
|
||||||
|
|
||||||
pushl %edx
|
|
||||||
pushl %ecx
|
|
||||||
pushl %eax # zero - no hob list yet
|
|
||||||
call ASM_PFX(CallPeiCoreEntryPoint)
|
|
||||||
|
|
||||||
FspApiFailed:
|
|
||||||
jmp .
|
|
||||||
|
|
||||||
.align 0x10
|
|
||||||
TempRamInitStack:
|
|
||||||
.long TempRamInitDone
|
|
||||||
.long ASM_PFX(FsptUpdDataPtr)
|
|
||||||
|
|
||||||
#
|
|
||||||
# ROM-based Global-Descriptor Table for the Tiano PEI Phase
|
|
||||||
#
|
|
||||||
.align 16
|
|
||||||
|
|
||||||
#
|
|
||||||
# GDT[0]: 0x00: Null entry, never used.
|
|
||||||
#
|
|
||||||
.equ NULL_SEL, . - GDT_BASE # Selector [0]
|
|
||||||
GDT_BASE:
|
|
||||||
BootGdtTable: .long 0
|
|
||||||
.long 0
|
|
||||||
#
|
|
||||||
# Linear data segment descriptor
|
|
||||||
#
|
|
||||||
.equ LINEAR_SEL, . - GDT_BASE # Selector [0x8]
|
|
||||||
.word 0xFFFF # limit 0xFFFFF
|
|
||||||
.word 0 # base 0
|
|
||||||
.byte 0
|
|
||||||
.byte 0x92 # present, ring 0, data, expand-up, writable
|
|
||||||
.byte 0xCF # page-granular, 32-bit
|
|
||||||
.byte 0
|
|
||||||
#
|
|
||||||
# Linear code segment descriptor
|
|
||||||
#
|
|
||||||
.equ LINEAR_CODE_SEL, . - GDT_BASE # Selector [0x10]
|
|
||||||
.word 0xFFFF # limit 0xFFFFF
|
|
||||||
.word 0 # base 0
|
|
||||||
.byte 0
|
|
||||||
.byte 0x9B # present, ring 0, data, expand-up, not-writable
|
|
||||||
.byte 0xCF # page-granular, 32-bit
|
|
||||||
.byte 0
|
|
||||||
#
|
|
||||||
# System data segment descriptor
|
|
||||||
#
|
|
||||||
.equ SYS_DATA_SEL, . - GDT_BASE # Selector [0x18]
|
|
||||||
.word 0xFFFF # limit 0xFFFFF
|
|
||||||
.word 0 # base 0
|
|
||||||
.byte 0
|
|
||||||
.byte 0x93 # present, ring 0, data, expand-up, not-writable
|
|
||||||
.byte 0xCF # page-granular, 32-bit
|
|
||||||
.byte 0
|
|
||||||
|
|
||||||
#
|
|
||||||
# System code segment descriptor
|
|
||||||
#
|
|
||||||
.equ SYS_CODE_SEL, . - GDT_BASE # Selector [0x20]
|
|
||||||
.word 0xFFFF # limit 0xFFFFF
|
|
||||||
.word 0 # base 0
|
|
||||||
.byte 0
|
|
||||||
.byte 0x9A # present, ring 0, data, expand-up, writable
|
|
||||||
.byte 0xCF # page-granular, 32-bit
|
|
||||||
.byte 0
|
|
||||||
#
|
|
||||||
# Spare segment descriptor
|
|
||||||
#
|
|
||||||
.equ SYS16_CODE_SEL, . - GDT_BASE # Selector [0x28]
|
|
||||||
.word 0xFFFF # limit 0xFFFFF
|
|
||||||
.word 0 # base 0
|
|
||||||
.byte 0x0E # Changed from F000 to E000.
|
|
||||||
.byte 0x9B # present, ring 0, code, expand-up, writable
|
|
||||||
.byte 0x00 # byte-granular, 16-bit
|
|
||||||
.byte 0
|
|
||||||
#
|
|
||||||
# Spare segment descriptor
|
|
||||||
#
|
|
||||||
.equ SYS16_DATA_SEL, . - GDT_BASE # Selector [0x30]
|
|
||||||
.word 0xFFFF # limit 0xFFFF
|
|
||||||
.word 0 # base 0
|
|
||||||
.byte 0
|
|
||||||
.byte 0x93 # present, ring 0, data, expand-up, not-writable
|
|
||||||
.byte 0x00 # byte-granular, 16-bit
|
|
||||||
.byte 0
|
|
||||||
|
|
||||||
#
|
|
||||||
# Spare segment descriptor
|
|
||||||
#
|
|
||||||
.equ SPARE5_SEL, . - GDT_BASE # Selector [0x38]
|
|
||||||
.word 0 # limit 0
|
|
||||||
.word 0 # base 0
|
|
||||||
.byte 0
|
|
||||||
.byte 0 # present, ring 0, data, expand-up, writable
|
|
||||||
.byte 0 # page-granular, 32-bit
|
|
||||||
.byte 0
|
|
||||||
.equ GDT_SIZE, . - BootGdtTable # Size, in bytes
|
|
||||||
|
|
||||||
#
|
|
||||||
# GDT Descriptor
|
|
||||||
#
|
|
||||||
GdtDesc: # GDT descriptor
|
|
||||||
.word GDT_SIZE - 1 # GDT limit
|
|
||||||
.long BootGdtTable # GDT base address
|
|
||||||
|
|
||||||
ASM_PFX(ProtectedModeEntryLinearAddress):
|
|
||||||
ProtectedModeEntryLinearOffset:
|
|
||||||
.long ASM_PFX(ProtectedModeEntryPoint) # Offset of our 32 bit code
|
|
||||||
.word LINEAR_CODE_SEL
|
|
||||||
|
|
@ -1,353 +0,0 @@
|
||||||
;------------------------------------------------------------------------------
|
|
||||||
;
|
|
||||||
; Copyright (c) 2014, 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.
|
|
||||||
;
|
|
||||||
; Module Name:
|
|
||||||
;
|
|
||||||
; SecEntry.asm
|
|
||||||
;
|
|
||||||
; Abstract:
|
|
||||||
;
|
|
||||||
; This is the code that goes from real-mode to protected mode.
|
|
||||||
; It consumes the reset vector, calls TempRamInit API from FSP binary.
|
|
||||||
;
|
|
||||||
;------------------------------------------------------------------------------
|
|
||||||
|
|
||||||
#include "Fsp.h"
|
|
||||||
|
|
||||||
.686p
|
|
||||||
.xmm
|
|
||||||
.model small, c
|
|
||||||
|
|
||||||
EXTRN CallPeiCoreEntryPoint:NEAR
|
|
||||||
EXTRN FsptUpdDataPtr:FAR
|
|
||||||
|
|
||||||
; Pcds
|
|
||||||
EXTRN PcdGet32 (PcdFsptBaseAddress):DWORD
|
|
||||||
|
|
||||||
_TEXT_REALMODE SEGMENT PARA PUBLIC USE16 'CODE'
|
|
||||||
ASSUME CS:_TEXT_REALMODE, DS:_TEXT_REALMODE
|
|
||||||
|
|
||||||
;----------------------------------------------------------------------------
|
|
||||||
;
|
|
||||||
; Procedure: _ModuleEntryPoint
|
|
||||||
;
|
|
||||||
; Input: None
|
|
||||||
;
|
|
||||||
; Output: None
|
|
||||||
;
|
|
||||||
; Destroys: Assume all registers
|
|
||||||
;
|
|
||||||
; Description:
|
|
||||||
;
|
|
||||||
; Transition to non-paged flat-model protected mode from a
|
|
||||||
; hard-coded GDT that provides exactly two descriptors.
|
|
||||||
; This is a bare bones transition to protected mode only
|
|
||||||
; used for a while in PEI and possibly DXE.
|
|
||||||
;
|
|
||||||
; After enabling protected mode, a far jump is executed to
|
|
||||||
; transfer to PEI using the newly loaded GDT.
|
|
||||||
;
|
|
||||||
; Return: None
|
|
||||||
;
|
|
||||||
; MMX Usage:
|
|
||||||
; MM0 = BIST State
|
|
||||||
; MM5 = Save time-stamp counter value high32bit
|
|
||||||
; MM6 = Save time-stamp counter value low32bit.
|
|
||||||
;
|
|
||||||
;----------------------------------------------------------------------------
|
|
||||||
|
|
||||||
align 4
|
|
||||||
_ModuleEntryPoint PROC NEAR C PUBLIC
|
|
||||||
fninit ; clear any pending Floating point exceptions
|
|
||||||
;
|
|
||||||
; Store the BIST value in mm0
|
|
||||||
;
|
|
||||||
movd mm0, eax
|
|
||||||
|
|
||||||
;
|
|
||||||
; Save time-stamp counter value
|
|
||||||
; rdtsc load 64bit time-stamp counter to EDX:EAX
|
|
||||||
;
|
|
||||||
rdtsc
|
|
||||||
movd mm5, edx
|
|
||||||
movd mm6, eax
|
|
||||||
|
|
||||||
;
|
|
||||||
; Load the GDT table in GdtDesc
|
|
||||||
;
|
|
||||||
mov esi, OFFSET GdtDesc
|
|
||||||
DB 66h
|
|
||||||
lgdt fword ptr cs:[si]
|
|
||||||
|
|
||||||
;
|
|
||||||
; Transition to 16 bit protected mode
|
|
||||||
;
|
|
||||||
mov eax, cr0 ; Get control register 0
|
|
||||||
or eax, 00000003h ; Set PE bit (bit #0) & MP bit (bit #1)
|
|
||||||
mov cr0, eax ; Activate protected mode
|
|
||||||
|
|
||||||
mov eax, cr4 ; Get control register 4
|
|
||||||
or eax, 00000600h ; Set OSFXSR bit (bit #9) & OSXMMEXCPT bit (bit #10)
|
|
||||||
mov cr4, eax
|
|
||||||
|
|
||||||
;
|
|
||||||
; Now we're in 16 bit protected mode
|
|
||||||
; Set up the selectors for 32 bit protected mode entry
|
|
||||||
;
|
|
||||||
mov ax, SYS_DATA_SEL
|
|
||||||
mov ds, ax
|
|
||||||
mov es, ax
|
|
||||||
mov fs, ax
|
|
||||||
mov gs, ax
|
|
||||||
mov ss, ax
|
|
||||||
|
|
||||||
;
|
|
||||||
; Transition to Flat 32 bit protected mode
|
|
||||||
; The jump to a far pointer causes the transition to 32 bit mode
|
|
||||||
;
|
|
||||||
mov esi, offset ProtectedModeEntryLinearAddress
|
|
||||||
jmp fword ptr cs:[si]
|
|
||||||
|
|
||||||
_ModuleEntryPoint ENDP
|
|
||||||
_TEXT_REALMODE ENDS
|
|
||||||
|
|
||||||
_TEXT_PROTECTED_MODE SEGMENT PARA PUBLIC USE32 'CODE'
|
|
||||||
ASSUME CS:_TEXT_PROTECTED_MODE, DS:_TEXT_PROTECTED_MODE
|
|
||||||
|
|
||||||
;----------------------------------------------------------------------------
|
|
||||||
;
|
|
||||||
; Procedure: ProtectedModeEntryPoint
|
|
||||||
;
|
|
||||||
; Input: None
|
|
||||||
;
|
|
||||||
; Output: None
|
|
||||||
;
|
|
||||||
; Destroys: Assume all registers
|
|
||||||
;
|
|
||||||
; Description:
|
|
||||||
;
|
|
||||||
; This function handles:
|
|
||||||
; Call two basic APIs from FSP binary
|
|
||||||
; Initializes stack with some early data (BIST, PEI entry, etc)
|
|
||||||
;
|
|
||||||
; Return: None
|
|
||||||
;
|
|
||||||
;----------------------------------------------------------------------------
|
|
||||||
|
|
||||||
align 4
|
|
||||||
ProtectedModeEntryPoint PROC NEAR PUBLIC
|
|
||||||
|
|
||||||
; Find the fsp info header
|
|
||||||
mov edi, PcdGet32 (PcdFsptBaseAddress)
|
|
||||||
|
|
||||||
mov eax, dword ptr [edi + FVH_SIGINATURE_OFFSET]
|
|
||||||
cmp eax, FVH_SIGINATURE_VALID_VALUE
|
|
||||||
jnz FspHeaderNotFound
|
|
||||||
|
|
||||||
xor eax, eax
|
|
||||||
mov ax, word ptr [edi + FVH_EXTHEADER_OFFSET_OFFSET]
|
|
||||||
cmp ax, 0
|
|
||||||
jnz FspFvExtHeaderExist
|
|
||||||
|
|
||||||
xor eax, eax
|
|
||||||
mov ax, word ptr [edi + FVH_HEADER_LENGTH_OFFSET] ; Bypass Fv Header
|
|
||||||
add edi, eax
|
|
||||||
jmp FspCheckFfsHeader
|
|
||||||
|
|
||||||
FspFvExtHeaderExist:
|
|
||||||
add edi, eax
|
|
||||||
mov eax, dword ptr [edi + FVH_EXTHEADER_SIZE_OFFSET] ; Bypass Ext Fv Header
|
|
||||||
add edi, eax
|
|
||||||
|
|
||||||
; Round up to 8 byte alignment
|
|
||||||
mov eax, edi
|
|
||||||
and al, 07h
|
|
||||||
jz FspCheckFfsHeader
|
|
||||||
|
|
||||||
and edi, 0FFFFFFF8h
|
|
||||||
add edi, 08h
|
|
||||||
|
|
||||||
FspCheckFfsHeader:
|
|
||||||
; Check the ffs guid
|
|
||||||
mov eax, dword ptr [edi]
|
|
||||||
cmp eax, FSP_HEADER_GUID_DWORD1
|
|
||||||
jnz FspHeaderNotFound
|
|
||||||
|
|
||||||
mov eax, dword ptr [edi + 4]
|
|
||||||
cmp eax, FSP_HEADER_GUID_DWORD2
|
|
||||||
jnz FspHeaderNotFound
|
|
||||||
|
|
||||||
mov eax, dword ptr [edi + 8]
|
|
||||||
cmp eax, FSP_HEADER_GUID_DWORD3
|
|
||||||
jnz FspHeaderNotFound
|
|
||||||
|
|
||||||
mov eax, dword ptr [edi + 0Ch]
|
|
||||||
cmp eax, FSP_HEADER_GUID_DWORD4
|
|
||||||
jnz FspHeaderNotFound
|
|
||||||
|
|
||||||
add edi, FFS_HEADER_SIZE_VALUE ; Bypass the ffs header
|
|
||||||
|
|
||||||
; Check the section type as raw section
|
|
||||||
mov al, byte ptr [edi + SECTION_HEADER_TYPE_OFFSET]
|
|
||||||
cmp al, 019h
|
|
||||||
jnz FspHeaderNotFound
|
|
||||||
|
|
||||||
add edi, RAW_SECTION_HEADER_SIZE_VALUE ; Bypass the section header
|
|
||||||
jmp FspHeaderFound
|
|
||||||
|
|
||||||
FspHeaderNotFound:
|
|
||||||
jmp $
|
|
||||||
|
|
||||||
FspHeaderFound:
|
|
||||||
; Get the fsp TempRamInit Api address
|
|
||||||
mov eax, dword ptr [edi + FSP_HEADER_IMAGEBASE_OFFSET]
|
|
||||||
add eax, dword ptr [edi + FSP_HEADER_TEMPRAMINIT_OFFSET]
|
|
||||||
|
|
||||||
; Setup the hardcode stack
|
|
||||||
mov esp, OFFSET TempRamInitStack
|
|
||||||
|
|
||||||
; Call the fsp TempRamInit Api
|
|
||||||
jmp eax
|
|
||||||
|
|
||||||
TempRamInitDone:
|
|
||||||
cmp eax, 8000000Eh ;Check if EFI_NOT_FOUND returned. Error code for Microcode Update not found.
|
|
||||||
je CallSecFspInit ;If microcode not found, don't hang, but continue.
|
|
||||||
|
|
||||||
cmp eax, 0 ;Check if EFI_SUCCESS retuned.
|
|
||||||
jnz FspApiFailed
|
|
||||||
|
|
||||||
; ECX: start of range
|
|
||||||
; EDX: end of range
|
|
||||||
CallSecFspInit:
|
|
||||||
xor eax, eax
|
|
||||||
mov esp, edx
|
|
||||||
|
|
||||||
; Align the stack at DWORD
|
|
||||||
add esp, 3
|
|
||||||
and esp, 0FFFFFFFCh
|
|
||||||
|
|
||||||
push edx
|
|
||||||
push ecx
|
|
||||||
push eax ; zero - no hob list yet
|
|
||||||
call CallPeiCoreEntryPoint
|
|
||||||
|
|
||||||
FspApiFailed:
|
|
||||||
jmp $
|
|
||||||
|
|
||||||
align 10h
|
|
||||||
TempRamInitStack:
|
|
||||||
DD OFFSET TempRamInitDone
|
|
||||||
DD OFFSET FsptUpdDataPtr ; TempRamInitParams
|
|
||||||
|
|
||||||
ProtectedModeEntryPoint ENDP
|
|
||||||
|
|
||||||
;
|
|
||||||
; ROM-based Global-Descriptor Table for the Tiano PEI Phase
|
|
||||||
;
|
|
||||||
align 16
|
|
||||||
PUBLIC BootGdtTable
|
|
||||||
|
|
||||||
;
|
|
||||||
; GDT[0]: 0x00: Null entry, never used.
|
|
||||||
;
|
|
||||||
NULL_SEL EQU $ - GDT_BASE ; Selector [0]
|
|
||||||
GDT_BASE:
|
|
||||||
BootGdtTable DD 0
|
|
||||||
DD 0
|
|
||||||
;
|
|
||||||
; Linear data segment descriptor
|
|
||||||
;
|
|
||||||
LINEAR_SEL EQU $ - GDT_BASE ; Selector [0x8]
|
|
||||||
DW 0FFFFh ; limit 0xFFFFF
|
|
||||||
DW 0 ; base 0
|
|
||||||
DB 0
|
|
||||||
DB 092h ; present, ring 0, data, expand-up, writable
|
|
||||||
DB 0CFh ; page-granular, 32-bit
|
|
||||||
DB 0
|
|
||||||
;
|
|
||||||
; Linear code segment descriptor
|
|
||||||
;
|
|
||||||
LINEAR_CODE_SEL EQU $ - GDT_BASE ; Selector [0x10]
|
|
||||||
DW 0FFFFh ; limit 0xFFFFF
|
|
||||||
DW 0 ; base 0
|
|
||||||
DB 0
|
|
||||||
DB 09Bh ; present, ring 0, data, expand-up, not-writable
|
|
||||||
DB 0CFh ; page-granular, 32-bit
|
|
||||||
DB 0
|
|
||||||
;
|
|
||||||
; System data segment descriptor
|
|
||||||
;
|
|
||||||
SYS_DATA_SEL EQU $ - GDT_BASE ; Selector [0x18]
|
|
||||||
DW 0FFFFh ; limit 0xFFFFF
|
|
||||||
DW 0 ; base 0
|
|
||||||
DB 0
|
|
||||||
DB 093h ; present, ring 0, data, expand-up, not-writable
|
|
||||||
DB 0CFh ; page-granular, 32-bit
|
|
||||||
DB 0
|
|
||||||
|
|
||||||
;
|
|
||||||
; System code segment descriptor
|
|
||||||
;
|
|
||||||
SYS_CODE_SEL EQU $ - GDT_BASE ; Selector [0x20]
|
|
||||||
DW 0FFFFh ; limit 0xFFFFF
|
|
||||||
DW 0 ; base 0
|
|
||||||
DB 0
|
|
||||||
DB 09Ah ; present, ring 0, data, expand-up, writable
|
|
||||||
DB 0CFh ; page-granular, 32-bit
|
|
||||||
DB 0
|
|
||||||
;
|
|
||||||
; Spare segment descriptor
|
|
||||||
;
|
|
||||||
SYS16_CODE_SEL EQU $ - GDT_BASE ; Selector [0x28]
|
|
||||||
DW 0FFFFh ; limit 0xFFFFF
|
|
||||||
DW 0 ; base 0
|
|
||||||
DB 0Eh ; Changed from F000 to E000.
|
|
||||||
DB 09Bh ; present, ring 0, code, expand-up, writable
|
|
||||||
DB 00h ; byte-granular, 16-bit
|
|
||||||
DB 0
|
|
||||||
;
|
|
||||||
; Spare segment descriptor
|
|
||||||
;
|
|
||||||
SYS16_DATA_SEL EQU $ - GDT_BASE ; Selector [0x30]
|
|
||||||
DW 0FFFFh ; limit 0xFFFF
|
|
||||||
DW 0 ; base 0
|
|
||||||
DB 0
|
|
||||||
DB 093h ; present, ring 0, data, expand-up, not-writable
|
|
||||||
DB 00h ; byte-granular, 16-bit
|
|
||||||
DB 0
|
|
||||||
|
|
||||||
;
|
|
||||||
; Spare segment descriptor
|
|
||||||
;
|
|
||||||
SPARE5_SEL EQU $ - GDT_BASE ; Selector [0x38]
|
|
||||||
DW 0 ; limit 0
|
|
||||||
DW 0 ; base 0
|
|
||||||
DB 0
|
|
||||||
DB 0 ; present, ring 0, data, expand-up, writable
|
|
||||||
DB 0 ; page-granular, 32-bit
|
|
||||||
DB 0
|
|
||||||
GDT_SIZE EQU $ - BootGdtTable ; Size, in bytes
|
|
||||||
|
|
||||||
;
|
|
||||||
; GDT Descriptor
|
|
||||||
;
|
|
||||||
GdtDesc: ; GDT descriptor
|
|
||||||
DW GDT_SIZE - 1 ; GDT limit
|
|
||||||
DD OFFSET BootGdtTable ; GDT base address
|
|
||||||
|
|
||||||
|
|
||||||
ProtectedModeEntryLinearAddress LABEL FWORD
|
|
||||||
ProtectedModeEntryLinearOffset LABEL DWORD
|
|
||||||
DD OFFSET ProtectedModeEntryPoint ; Offset of our 32 bit code
|
|
||||||
DW LINEAR_CODE_SEL
|
|
||||||
|
|
||||||
_TEXT_PROTECTED_MODE ENDS
|
|
||||||
END
|
|
||||||
|
|
@ -1,77 +0,0 @@
|
||||||
#------------------------------------------------------------------------------
|
|
||||||
#
|
|
||||||
# Copyright (c) 2014, 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 permenent memory.
|
|
||||||
#
|
|
||||||
#------------------------------------------------------------------------------
|
|
||||||
|
|
||||||
|
|
||||||
#------------------------------------------------------------------------------
|
|
||||||
# VOID
|
|
||||||
# EFIAPI
|
|
||||||
# SecSwitchStack (
|
|
||||||
# UINT32 TemporaryMemoryBase,
|
|
||||||
# UINT32 PermanentMemoryBase
|
|
||||||
# )#
|
|
||||||
#------------------------------------------------------------------------------
|
|
||||||
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
|
|
||||||
# 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.
|
|
||||||
# Then, Fixup the esp point to permanent memory
|
|
||||||
#
|
|
||||||
movl %esp, %eax
|
|
||||||
subl %ebx, %eax
|
|
||||||
addl %ecx, %eax
|
|
||||||
movl 0(%esp), %edx # copy pushed register's value to permanent memory
|
|
||||||
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
|
|
||||||
movl %edx, 16(%eax)
|
|
||||||
movl %eax, %esp # From now, esp is pointed to permanent memory
|
|
||||||
|
|
||||||
#
|
|
||||||
# Fixup the ebp point to permanent memory
|
|
||||||
#
|
|
||||||
movl %ebp, %eax
|
|
||||||
subl %ebx, %eax
|
|
||||||
addl %ecx, %eax
|
|
||||||
movl %eax, %ebp # From now, ebp is pointed to permanent memory
|
|
||||||
|
|
||||||
popl %edx
|
|
||||||
popl %ecx
|
|
||||||
popl %ebx
|
|
||||||
popl %eax
|
|
||||||
ret
|
|
||||||
|
|
||||||
|
|
@ -1,82 +0,0 @@
|
||||||
;------------------------------------------------------------------------------
|
|
||||||
;
|
|
||||||
; Copyright (c) 2014, 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 permenent memory.
|
|
||||||
;
|
|
||||||
;------------------------------------------------------------------------------
|
|
||||||
|
|
||||||
.586p
|
|
||||||
.model flat,C
|
|
||||||
.code
|
|
||||||
|
|
||||||
;------------------------------------------------------------------------------
|
|
||||||
; VOID
|
|
||||||
; EFIAPI
|
|
||||||
; SecSwitchStack (
|
|
||||||
; UINT32 TemporaryMemoryBase,
|
|
||||||
; UINT32 PermanentMemoryBase
|
|
||||||
; );
|
|
||||||
;------------------------------------------------------------------------------
|
|
||||||
SecSwitchStack PROC
|
|
||||||
;
|
|
||||||
; Save three register: eax, ebx, ecx
|
|
||||||
;
|
|
||||||
push eax
|
|
||||||
push ebx
|
|
||||||
push ecx
|
|
||||||
push edx
|
|
||||||
|
|
||||||
;
|
|
||||||
; !!CAUTION!! this function address's is pushed into stack after
|
|
||||||
; migration of whole temporary memory, so need save it to permanent
|
|
||||||
; memory at first!
|
|
||||||
;
|
|
||||||
|
|
||||||
mov ebx, [esp + 20] ; Save the first parameter
|
|
||||||
mov ecx, [esp + 24] ; Save the second parameter
|
|
||||||
|
|
||||||
;
|
|
||||||
; Save this function's return address into permanent memory at first.
|
|
||||||
; Then, Fixup the esp point to permanent memory
|
|
||||||
;
|
|
||||||
mov eax, esp
|
|
||||||
sub eax, ebx
|
|
||||||
add eax, ecx
|
|
||||||
mov edx, dword ptr [esp] ; copy pushed register's value to permanent memory
|
|
||||||
mov dword ptr [eax], edx
|
|
||||||
mov edx, dword ptr [esp + 4]
|
|
||||||
mov dword ptr [eax + 4], edx
|
|
||||||
mov edx, dword ptr [esp + 8]
|
|
||||||
mov dword ptr [eax + 8], edx
|
|
||||||
mov edx, dword ptr [esp + 12]
|
|
||||||
mov dword ptr [eax + 12], edx
|
|
||||||
mov edx, dword ptr [esp + 16] ; Update this function's return address into permanent memory
|
|
||||||
mov dword ptr [eax + 16], edx
|
|
||||||
mov esp, eax ; From now, esp is pointed to permanent memory
|
|
||||||
|
|
||||||
;
|
|
||||||
; Fixup the ebp point to permanent memory
|
|
||||||
;
|
|
||||||
mov eax, ebp
|
|
||||||
sub eax, ebx
|
|
||||||
add eax, ecx
|
|
||||||
mov ebp, eax ; From now, ebp is pointed to permanent memory
|
|
||||||
|
|
||||||
pop edx
|
|
||||||
pop ecx
|
|
||||||
pop ebx
|
|
||||||
pop eax
|
|
||||||
ret
|
|
||||||
SecSwitchStack ENDP
|
|
||||||
|
|
||||||
END
|
|
||||||
|
|
@ -46,13 +46,7 @@
|
||||||
PlatformInit.c
|
PlatformInit.c
|
||||||
|
|
||||||
[Sources.IA32]
|
[Sources.IA32]
|
||||||
Ia32/SecEntry.asm
|
|
||||||
Ia32/PeiCoreEntry.asm
|
|
||||||
Ia32/Stack.asm
|
|
||||||
Ia32/Fsp.h
|
Ia32/Fsp.h
|
||||||
Ia32/SecEntry.S
|
|
||||||
Ia32/PeiCoreEntry.S
|
|
||||||
Ia32/Stack.S
|
|
||||||
Ia32/SecEntry.nasm
|
Ia32/SecEntry.nasm
|
||||||
Ia32/PeiCoreEntry.nasm
|
Ia32/PeiCoreEntry.nasm
|
||||||
Ia32/Stack.nasm
|
Ia32/Stack.nasm
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue