diff options
Diffstat (limited to 'MdePkg/Library/PeiServicesTablePointerLibIdt/Ia32')
3 files changed, 102 insertions, 0 deletions
diff --git a/MdePkg/Library/PeiServicesTablePointerLibIdt/Ia32/AsmPeiSevicesTablePointer.S b/MdePkg/Library/PeiServicesTablePointerLibIdt/Ia32/AsmPeiSevicesTablePointer.S new file mode 100644 index 0000000000..22d32acb1a --- /dev/null +++ b/MdePkg/Library/PeiServicesTablePointerLibIdt/Ia32/AsmPeiSevicesTablePointer.S @@ -0,0 +1,36 @@ +#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006, 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:
+#
+# ReadIdtr.Asm
+#
+# Abstract:
+#
+# AsmPeiSevicesTablePointer function
+#
+# Notes:
+#
+#------------------------------------------------------------------------------
+
+.globl ASM_PFX(AsmPeiSevicesTablePointer)
+
+#------------------------------------------------------------------------------
+# EFI_PEI_SERVICES **
+# EFIAPI
+# AsmPeiSevicesTablePointer (
+# );
+#------------------------------------------------------------------------------
+ASM_PFX(AsmPeiSevicesTablePointer):
+ movl 4(%esp), %eax
+ sidt (%eax)
+ movl -4(%eax), %eax
+ ret
diff --git a/MdePkg/Library/PeiServicesTablePointerLibIdt/Ia32/AsmPeiSevicesTablePointer.asm b/MdePkg/Library/PeiServicesTablePointerLibIdt/Ia32/AsmPeiSevicesTablePointer.asm new file mode 100644 index 0000000000..74f19afa67 --- /dev/null +++ b/MdePkg/Library/PeiServicesTablePointerLibIdt/Ia32/AsmPeiSevicesTablePointer.asm @@ -0,0 +1,41 @@ +;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, 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:
+;
+; AsmPeiSevicesTablePointer.Asm
+;
+; Abstract:
+;
+; AsmPeiSevicesTablePointer function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .386
+ .model flat,C
+ .code
+
+;------------------------------------------------------------------------------
+; EFI_PEI_SERVICES **
+; EFIAPI
+; AsmPeiSevicesTablePointer (
+; );
+;------------------------------------------------------------------------------
+PeiServicesTablePointer PROC
+ mov eax, [esp + 4]
+ sidt fword ptr [eax]
+ mov eax, [eax - 4]
+ ret
+PeiServicesTablePointer ENDP
+
+ END
diff --git a/MdePkg/Library/PeiServicesTablePointerLibIdt/Ia32/AsmPeiSevicesTablePointer.c b/MdePkg/Library/PeiServicesTablePointerLibIdt/Ia32/AsmPeiSevicesTablePointer.c new file mode 100644 index 0000000000..aa578ee130 --- /dev/null +++ b/MdePkg/Library/PeiServicesTablePointerLibIdt/Ia32/AsmPeiSevicesTablePointer.c @@ -0,0 +1,25 @@ +/** @file
+ AsmReadIdtr function
+
+ Copyright (c) 2006 - 2007, Intel Corporation<BR>
+ 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.
+
+**/
+
+EFI_PEI_SERVICES **
+EFIAPI
+AsmPeiSevicesTablePointer (
+ VOID
+ )
+{
+ _asm {
+ sidt fword ptr [eax]
+ mov eax, [eax - 4]
+ }
+}
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