MdeModulePkg: Add BootScriptExecutorDxe driver
Signed-off-by: jljusten Reviewed-by: mdkinney Reviewed-by: rsun3 Reviewed-by: jyao1 git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12225 6f19259b-4bc3-4df7-8a09-765794883524
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## @file
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#
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# Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
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#
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# This program and the accompanying materials are
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# 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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##
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#-----------------------------------------
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#VOID
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#AsmTransferControl (
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# IN UINT32 S3WakingVector,
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# IN UINT32 AcpiLowMemoryBase
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# );
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#-----------------------------------------
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ASM_GLOBAL ASM_PFX(AsmTransferControl)
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ASM_PFX(AsmTransferControl):
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# S3WakingVector :DWORD
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# AcpiLowMemoryBase :DWORD
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pushl %ebp
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movl %esp,%ebp
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leal LABLE, %eax
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pushl $0x28 # CS
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pushl %eax
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movl 8(%ebp),%ecx
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shrdl $20,%ecx,%ebx
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andl $0xf,%ecx
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movw %cx,%bx
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movl %ebx, jmp_addr
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lret
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LABLE:
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.byte 0xb8,0x30,0 # mov ax, 30h as selector
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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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movl %cr0, %eax # Get control register 0
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.byte 0x66
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.byte 0x83,0xe0,0xfe # and eax, 0fffffffeh ; Clear PE bit (bit #0)
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.byte 0xf,0x22,0xc0 # mov cr0, eax ; Activate real mode
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.byte 0xea # jmp far @jmp_addr
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jmp_addr:
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.long 0
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ASM_GLOBAL ASM_PFX(AsmTransferControl32)
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ASM_PFX(AsmTransferControl32):
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jmp ASM_PFX(AsmTransferControl)
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# dummy
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ASM_GLOBAL ASM_PFX(AsmTransferControl16)
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ASM_PFX(AsmTransferControl16):
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ASM_GLOBAL ASM_PFX(AsmFixAddress16)
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ASM_PFX(AsmFixAddress16):
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.long 0
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ASM_GLOBAL ASM_PFX(AsmJmpAddr32)
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ASM_PFX(AsmJmpAddr32):
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.long 0
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@@ -0,0 +1,71 @@
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;; @file
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; This is the assembly code for transferring to control to OS S3 waking vector
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; for IA32 platform
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;
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; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
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;
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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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;;
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.586P
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.model flat,C
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.code
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EXTERNDEF AsmFixAddress16:DWORD
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EXTERNDEF AsmJmpAddr32:DWORD
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;-----------------------------------------
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;VOID
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;AsmTransferControl (
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; IN UINT32 S3WakingVector,
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; IN UINT32 AcpiLowMemoryBase
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; );
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;-----------------------------------------
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AsmTransferControl PROC
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; S3WakingVector :DWORD
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; AcpiLowMemoryBase :DWORD
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push ebp
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mov ebp, esp
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lea eax, @F
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push 28h ; CS
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push eax
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mov ecx, [ebp + 8]
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shrd ebx, ecx, 20
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and ecx, 0fh
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mov bx, cx
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mov @jmp_addr, ebx
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retf
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@@:
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DB 0b8h, 30h, 0 ; mov ax, 30h as selector
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mov ds, ax
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mov es, ax
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mov fs, ax
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mov gs, ax
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mov ss, ax
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mov eax, cr0 ; Get control register 0
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DB 66h
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DB 83h, 0e0h, 0feh ; and eax, 0fffffffeh ; Clear PE bit (bit #0)
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DB 0fh, 22h, 0c0h ; mov cr0, eax ; Activate real mode
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DB 0eah ; jmp far @jmp_addr
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@jmp_addr DD ?
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AsmTransferControl ENDP
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AsmTransferControl32 PROC
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jmp AsmTransferControl
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AsmTransferControl32 ENDP
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; dummy
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AsmTransferControl16 PROC
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AsmFixAddress16 DD ?
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AsmJmpAddr32 DD ?
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AsmTransferControl16 ENDP
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END
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@@ -0,0 +1,63 @@
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/** @file
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Set a IDT entry for debug purpose
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Set a IDT entry for interrupt vector 3 for debug purpose for IA32 platform
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Copyright (c) 2006 - 2010, 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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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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#include "ScriptExecute.h"
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//
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// INTERRUPT_GATE_DESCRIPTOR and SetIdtEntry () are used to setup IDT to do debug
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//
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#pragma pack(1)
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typedef struct {
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UINT16 OffsetLow;
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UINT16 SegmentSelector;
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UINT16 Attributes;
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UINT16 OffsetHigh;
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} INTERRUPT_GATE_DESCRIPTOR;
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#define INTERRUPT_GATE_ATTRIBUTE 0x8e00
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#pragma pack()
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/**
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Set a IDT entry for interrupt vector 3 for debug purpose.
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@param AcpiS3Context a pointer to a structure of ACPI_S3_CONTEXT
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**/
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VOID
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SetIdtEntry (
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IN ACPI_S3_CONTEXT *AcpiS3Context
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)
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{
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INTERRUPT_GATE_DESCRIPTOR *IdtEntry;
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IA32_DESCRIPTOR *IdtDescriptor;
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UINTN S3DebugBuffer;
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//
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// Restore IDT for debug
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//
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IdtDescriptor = (IA32_DESCRIPTOR *) (UINTN) (AcpiS3Context->IdtrProfile);
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IdtEntry = (INTERRUPT_GATE_DESCRIPTOR *)(IdtDescriptor->Base + (3 * sizeof (INTERRUPT_GATE_DESCRIPTOR)));
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S3DebugBuffer = (UINTN) (AcpiS3Context->S3DebugBufferAddress);
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IdtEntry->OffsetLow = (UINT16)S3DebugBuffer;
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IdtEntry->SegmentSelector = (UINT16)AsmReadCs ();;
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IdtEntry->Attributes = (UINT16)INTERRUPT_GATE_ATTRIBUTE;
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IdtEntry->OffsetHigh = (UINT16)(S3DebugBuffer >> 16);
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AsmWriteIdtr (IdtDescriptor);
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}
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