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
This commit is contained in:
jljusten
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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 X64 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 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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ASM_GLOBAL ASM_PFX(AsmTransferControl)
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ASM_PFX(AsmTransferControl):
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# rcx S3WakingVector :DWORD
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# rdx AcpiLowMemoryBase :DWORD
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lea _AsmTransferControl_al_0000, %eax
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movq $0x2800000000, %r8
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orq %r8, %rax
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pushq %rax
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shrd $20, %ecx, %ebx
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andl $0x0f, %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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_AsmTransferControl_al_0000:
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.byte 0x0b8, 0x30, 0 # mov ax, 30h as selector
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movl %eax, %ds
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movl %eax, %es
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movl %eax, %fs
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movl %eax, %gs
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movl %eax, %ss
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movq %cr0, %rax
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movq %cr4, %rbx
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.byte 0x66
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andl $0x7ffffffe, %eax
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andb $0xdf, %bl
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movq %rax, %cr0
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.byte 0x66
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movl $0x0c0000080, %ecx
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rdmsr
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andb $0xfe, %ah
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wrmsr
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movq %rbx, %cr4
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.byte 0x0ea # 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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# S3WakingVector :DWORD
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# AcpiLowMemoryBase :DWORD
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pushq %rbp
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movl %esp,%ebp
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.byte 0x8d, 0x05 # lea eax, 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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pushq $0x28 # CS
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pushq %rax
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lret
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ASM_GLOBAL ASM_PFX(AsmTransferControl16)
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ASM_PFX(AsmTransferControl16):
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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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movq %cr0, %rax # 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 AsmJmpAddr32
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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 +1,84 @@
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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 X64 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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.code
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EXTERNDEF AsmFixAddress16:DWORD
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EXTERNDEF AsmJmpAddr32:DWORD
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AsmTransferControl PROC
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; rcx S3WakingVector :DWORD
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; rdx AcpiLowMemoryBase :DWORD
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lea eax, @F
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mov r8, 2800000000h
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or rax, r8
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push rax
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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, eax
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mov es, eax
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mov fs, eax
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mov gs, eax
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mov ss, eax
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mov rax, cr0
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mov rbx, cr4
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DB 66h
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and eax, ((NOT 080000001h) AND 0ffffffffh)
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and bl, NOT (1 SHL 5)
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mov cr0, rax
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DB 66h
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mov ecx, 0c0000080h
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rdmsr
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and ah, NOT 1
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wrmsr
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mov cr4, rbx
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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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; S3WakingVector :DWORD
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; AcpiLowMemoryBase :DWORD
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push rbp
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mov ebp, esp
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DB 8dh, 05h ; lea eax, AsmTransferControl16
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AsmFixAddress16 DD ?
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push 28h ; CS
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push rax
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retf
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AsmTransferControl32 ENDP
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AsmTransferControl16 PROC
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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 rax, 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 AsmJmpAddr32
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AsmJmpAddr32 DD ?
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AsmTransferControl16 ENDP
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END
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@@ -0,0 +1,67 @@
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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 x64 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 Offset15To0;
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UINT16 SegmentSelector;
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UINT16 Attributes;
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UINT16 Offset31To16;
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UINT32 Offset63To32;
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UINT32 Reserved;
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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->Offset15To0 = (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->Offset31To16 = (UINT16)(S3DebugBuffer >> 16);
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IdtEntry->Offset63To32 = (UINT32)(S3DebugBuffer >> 32);
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IdtEntry->Reserved = 0;
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AsmWriteIdtr (IdtDescriptor);
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}
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