Add CPU DXE driver for IA32 & X64 processor architectures.

[mirror_edk2.git] / UefiCpuPkg / CpuDxe / Ia32 / IvtAsm.S

diff --git a/UefiCpuPkg/CpuDxe/Ia32/IvtAsm.S b/UefiCpuPkg/CpuDxe/Ia32/IvtAsm.S
new file mode 100755 (executable)
index 0000000..2a6341a
--- /dev/null
+++ b/UefiCpuPkg/CpuDxe/Ia32/IvtAsm.S
@@ -0,0 +1,66 @@
+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006 - 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.
+#
+# Module Name:
+#
+#   IvtAsm.S
+#
+# Abstract:
+#
+#   Interrupt Vector Table
+#
+#------------------------------------------------------------------------------
+
+#
+# Interrupt Vector Table
+#
+
+.macro SingleIdtVectorMacro vectorNum
+    .intel_syntax
+    call    ASM_PFX(CommonInterruptEntry)
+    .short  \vectorNum
+    nop
+.endm
+
+.macro EightIdtVectors firstVectorNum
+    SingleIdtVectorMacro \firstVectorNum
+    SingleIdtVectorMacro "(\firstVectorNum+1)"
+    SingleIdtVectorMacro "(\firstVectorNum+2)"
+    SingleIdtVectorMacro "(\firstVectorNum+3)"
+    SingleIdtVectorMacro "(\firstVectorNum+4)"
+    SingleIdtVectorMacro "(\firstVectorNum+5)"
+    SingleIdtVectorMacro "(\firstVectorNum+6)"
+    SingleIdtVectorMacro "(\firstVectorNum+7)"
+.endm
+
+.macro SixtyFourIdtVectors firstVectorNum
+    EightIdtVectors \firstVectorNum
+    EightIdtVectors "(\firstVectorNum+0x08)"
+    EightIdtVectors "(\firstVectorNum+0x10)"
+    EightIdtVectors "(\firstVectorNum+0x18)"
+    EightIdtVectors "(\firstVectorNum+0x20)"
+    EightIdtVectors "(\firstVectorNum+0x28)"
+    EightIdtVectors "(\firstVectorNum+0x30)"
+    EightIdtVectors "(\firstVectorNum+0x38)"
+.endm
+
+ASM_GLOBAL ASM_PFX(AsmIdtVector00)
+.align  8
+ASM_PFX(AsmIdtVector00):
+    SixtyFourIdtVectors 0x00
+    SixtyFourIdtVectors 0x40
+    SixtyFourIdtVectors 0x80
+    SixtyFourIdtVectors 0xC0
+ASM_GLOBAL ASM_PFX(AsmCommonIdtEnd)
+ASM_PFX(AsmCommonIdtEnd):
+    .byte 0
+
+