| /// @file | |
| /// IPF specific Global Pointer and Stack Pointer accessing functions | |
| /// | |
| /// Copyright (c) 2006, 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. | |
| /// | |
| /// Module Name: AccessGp.s | |
| /// | |
| /// | |
| //--------------------------------------------------------------------------------- | |
| //++ | |
| // AsmReadGp | |
| // | |
| // This routine is used to read the current value of 64-bit Global Pointer (GP). | |
| // | |
| // Arguments : | |
| // | |
| // On Entry : | |
| // | |
| // Return Value: The current GP value. | |
| // | |
| //-- | |
| //---------------------------------------------------------------------------------- | |
| .text | |
| .type AsmReadGp, @function | |
| .proc AsmReadGp | |
| AsmReadGp:: | |
| mov r8 = gp;; | |
| br.ret.dpnt b0;; | |
| .endp AsmReadGp | |
| //--------------------------------------------------------------------------------- | |
| //++ | |
| // AsmWriteGp | |
| // | |
| // This routine is used to write the current value of 64-bit Global Pointer (GP). | |
| // | |
| // Arguments : | |
| // | |
| // On Entry : The value need to be written. | |
| // | |
| // Return Value: The value have been written. | |
| // | |
| //-- | |
| //---------------------------------------------------------------------------------- | |
| .text | |
| .type AsmWriteGp, @function | |
| .proc AsmWriteGp | |
| .regstk 1, 0, 0, 0 | |
| AsmWriteGp:: | |
| mov gp = in0 | |
| mov r8 = in0;; | |
| br.ret.dpnt b0;; | |
| .endp AsmWriteGp | |
| //--------------------------------------------------------------------------------- | |
| //++ | |
| // AsmReadSp | |
| // | |
| // This routine is used to read the current value of 64-bit Stack Pointer (SP). | |
| // | |
| // Arguments : | |
| // | |
| // On Entry : | |
| // | |
| // Return Value: The current SP value. | |
| // | |
| //-- | |
| //---------------------------------------------------------------------------------- | |
| .text | |
| .type AsmReadSp, @function | |
| .proc AsmReadSp | |
| AsmReadSp:: | |
| mov r8 = sp;; | |
| br.ret.dpnt b0;; | |
| .endp AsmReadSp |