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Last change
on this file since 48674 was 48674, checked in by vboxsync, 11 years ago |
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EFI: Export newly imported tinaocore UEFI sources to OSE.
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| 1 | TITLE IvtAsm.asm:
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| 2 | ;------------------------------------------------------------------------------
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| 3 | ;*
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| 4 | ;* Copyright (c) 2008 - 2009, Intel Corporation. All rights reserved.<BR>
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| 5 | ;* This program and the accompanying materials
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| 6 | ;* are licensed and made available under the terms and conditions of the BSD License
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| 7 | ;* which accompanies this distribution. The full text of the license may be found at
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| 8 | ;* http://opensource.org/licenses/bsd-license.php
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| 9 | ;*
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| 10 | ;* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| 11 | ;* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 12 | ;*
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| 13 | ;* IvtAsm.asm
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| 14 | ;*
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| 15 | ;* Abstract:
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| 16 | ;*
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| 17 | ;------------------------------------------------------------------------------
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| 18 |
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| 19 | #include <Base.h>
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| 20 |
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| 21 | #ifdef MDE_CPU_IA32
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| 22 | .686
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| 23 | .model flat,C
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| 24 | #endif
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| 25 | .code
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| 26 |
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| 27 | ;------------------------------------------------------------------------------
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| 28 | ; Generic IDT Vector Handlers for the Host. They are all the same so they
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| 29 | ; will compress really well.
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| 30 | ;
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| 31 | ; By knowing the return address for Vector 00 you can can calculate the
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| 32 | ; vector number by looking at the call CommonInterruptEntry return address.
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| 33 | ; (return address - (AsmIdtVector00 + 5))/8 == IDT index
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| 34 | ;
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| 35 | ;------------------------------------------------------------------------------
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| 36 |
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| 37 | EXTRN CommonInterruptEntry:PROC
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| 38 |
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| 39 | ALIGN 8
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| 40 |
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| 41 | PUBLIC AsmIdtVector00
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| 42 |
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| 43 | AsmIdtVector00 LABEL BYTE
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| 44 | REPEAT 256
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| 45 | call CommonInterruptEntry
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| 46 | dw ($ - AsmIdtVector00 - 5) / 8 ; vector number
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| 47 | nop
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| 48 | ENDM
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| 49 |
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| 50 | END
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| 51 |
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