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Diffstat (limited to 'EDK/Foundation/Library/RuntimeDxe/EfiRuntimeLib/Ipf/EsalLib.s')
| -rw-r--r-- | EDK/Foundation/Library/RuntimeDxe/EfiRuntimeLib/Ipf/EsalLib.s | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/RuntimeDxe/EfiRuntimeLib/Ipf/EsalLib.s b/EDK/Foundation/Library/RuntimeDxe/EfiRuntimeLib/Ipf/EsalLib.s new file mode 100644 index 0000000..801df4c --- /dev/null +++ b/EDK/Foundation/Library/RuntimeDxe/EfiRuntimeLib/Ipf/EsalLib.s @@ -0,0 +1,149 @@ +//++ +// Copyright (c) 2004, 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: +// +// EsalLib.s +// +// Abstract: +// +// +// Revision History: +// +//-- + +.file "EsalLib.s" + +#include "IpfMacro.i" + +// +// Exports +// +.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 + + |