TITLE IvtAsm.asm: ;------------------------------------------------------------------------------ ;* ;* Copyright 2008 - 2009, Intel Corporation ;* All rights reserved. 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. ;* ;* IvtAsm.asm ;* ;* Abstract: ;* ;------------------------------------------------------------------------------ #include #ifdef MDE_CPU_IA32 .686 .model flat,C #endif .code ;------------------------------------------------------------------------------ ; Generic IDT Vector Handlers for the Host. They are all the same so they ; will compress really well. ; ; By knowing the return address for Vector 00 you can can calculate the ; vector number by looking at the call CommonInterruptEntry return address. ; (return address - (AsmIdtVector00 + 5))/8 == IDT index ; ;------------------------------------------------------------------------------ EXTRN CommonInterruptEntry:PROC ALIGN 8 PUBLIC AsmIdtVector00 AsmIdtVector00 LABEL BYTE REPEAT 256 call CommonInterruptEntry dw ($ - AsmIdtVector00 - 5) / 8 ; vector number nop ENDM END