diff options
| author | mdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-06-10 18:58:08 +0000 |
|---|---|---|
| committer | mdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-06-10 18:58:08 +0000 |
| commit | 863be5d010636e1115cf2f7afe743999f194e3a1 (patch) | |
| tree | 871308fde2e04f483b1c2dfad7f5c7f050cc116e /MdePkg/Library/DxeRuntimeExtendedSalLib/Ipf/AsmExtendedSalLib.s | |
| parent | 31222776dbf72d2953445ce4bcc735bf196e6b4f (diff) | |
| download | edk2-platforms-863be5d010636e1115cf2f7afe743999f194e3a1.tar.xz | |
Add ESAL support libraries to MdePkg
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11784 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/DxeRuntimeExtendedSalLib/Ipf/AsmExtendedSalLib.s')
| -rw-r--r-- | MdePkg/Library/DxeRuntimeExtendedSalLib/Ipf/AsmExtendedSalLib.s | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/MdePkg/Library/DxeRuntimeExtendedSalLib/Ipf/AsmExtendedSalLib.s b/MdePkg/Library/DxeRuntimeExtendedSalLib/Ipf/AsmExtendedSalLib.s new file mode 100644 index 0000000000..ddabc76e0d --- /dev/null +++ b/MdePkg/Library/DxeRuntimeExtendedSalLib/Ipf/AsmExtendedSalLib.s @@ -0,0 +1,131 @@ +/// @file
+/// Assembly procedures to get and set ESAL entry point.
+///
+/// Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
+/// 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.
+///
+
+.auto
+.text
+
+#include "IpfMacro.i"
+
+//
+// Exports
+//
+ASM_GLOBAL GetEsalEntryPoint
+
+//-----------------------------------------------------------------------------
+//++
+// GetEsalEntryPoint
+//
+// Return Esal global and PSR register.
+//
+// On Entry :
+//
+//
+// Return Value:
+// r8 = EFI_SAL_SUCCESS
+// r9 = Physical Plabel
+// r10 = Virtual Plabel
+// r11 = psr
+//
+// As per static calling conventions.
+//
+//--
+//---------------------------------------------------------------------------
+PROCEDURE_ENTRY (GetEsalEntryPoint)
+
+ NESTED_SETUP (0,8,0,0)
+
+EsalCalcStart:
+ mov r8 = ip;;
+ add r8 = (EsalEntryPoint - EsalCalcStart), r8;;
+ mov r9 = r8;;
+ add r10 = 0x10, r8;;
+ mov r11 = psr;;
+ mov r8 = r0;;
+
+ NESTED_RETURN
+
+PROCEDURE_EXIT (GetEsalEntryPoint)
+
+//-----------------------------------------------------------------------------
+//++
+// SetEsalPhysicalEntryPoint
+//
+// Set the dispatcher entry point
+//
+// On Entry:
+// in0 = Physical address of Esal Dispatcher
+// in1 = Physical GP
+//
+// Return Value:
+// r8 = EFI_SAL_SUCCESS
+//
+// As per static calling conventions.
+//
+//--
+//---------------------------------------------------------------------------
+PROCEDURE_ENTRY (SetEsalPhysicalEntryPoint)
+
+ NESTED_SETUP (2,8,0,0)
+
+EsalCalcStart1:
+ mov r8 = ip;;
+ add r8 = (EsalEntryPoint - EsalCalcStart1), r8;;
+ st8 [r8] = in0;;
+ add r8 = 0x08, r8;;
+ st8 [r8] = in1;;
+ mov r8 = r0;;
+
+ NESTED_RETURN
+
+PROCEDURE_EXIT (SetEsalPhysicalEntryPoint)
+
+//-----------------------------------------------------------------------------
+//++
+// SetEsalVirtualEntryPoint
+//
+// Register physical address of Esal globals.
+//
+// On Entry :
+// in0 = Virtual address of Esal Dispatcher
+// in1 = Virtual GP
+//
+// Return Value:
+// r8 = EFI_SAL_ERROR
+//
+// As per static calling conventions.
+//
+//--
+//---------------------------------------------------------------------------
+PROCEDURE_ENTRY (SetEsalVirtualEntryPoint)
+
+ NESTED_SETUP (2,8,0,0)
+
+EsalCalcStart2:
+ mov r8 = ip;;
+ add r8 = (EsalEntryPoint - EsalCalcStart2), r8;;
+ add r8 = 0x10, r8;;
+ st8 [r8] = in0;;
+ add r8 = 0x08, r8;;
+ st8 [r8] = in1;;
+ mov r8 = r0;;
+
+ NESTED_RETURN
+
+PROCEDURE_EXIT (SetEsalVirtualEntryPoint)
+
+.align 32
+EsalEntryPoint:
+ data8 0 // Physical Entry
+ data8 0 // GP
+ data8 0 // Virtual Entry
+ data8 0 // GP
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