| /// @file | |
| /// IPF specific Debug Breakpoint Registers 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: AccessDbr.s | |
| /// | |
| /// | |
| //--------------------------------------------------------------------------------- | |
| //++ | |
| // AsmReadDbr | |
| // | |
| // This routine is used to Reads the current value of Data Breakpoint Register (DBR). | |
| // | |
| // Arguments : | |
| // | |
| // On Entry : The 8-bit DBR index to read. | |
| // | |
| // Return Value: The current value of DBR by Index. | |
| // | |
| //-- | |
| //---------------------------------------------------------------------------------- | |
| .text | |
| .type AsmReadDbr, @function | |
| .proc AsmReadDbr | |
| .regstk 1, 0, 0, 0 | |
| AsmReadDbr:: | |
| mov r8 = dbr[in0];; | |
| br.ret.dpnt b0;; | |
| .endp AsmReadDbr | |
| //--------------------------------------------------------------------------------- | |
| //++ | |
| // AsmWriteDbr | |
| // | |
| // This routine is used to write the current value to Data Breakpoint Register (DBR). | |
| // | |
| // Arguments : | |
| // | |
| // On Entry : The 8-bit DBR index to read. | |
| // The value should be written to DBR | |
| // | |
| // Return Value: The value written to DBR. | |
| // | |
| //-- | |
| //---------------------------------------------------------------------------------- | |
| .text | |
| .type AsmWriteDbr, @function | |
| .proc AsmWriteDbr | |
| .regstk 2, 0, 0, 0 | |
| AsmWriteDbr:: | |
| mov dbr[in0] = in1 | |
| mov r8 = in1;; | |
| srlz.d;; | |
| br.ret.dpnt b0;; | |
| .endp AsmWriteDbr | |
| //--------------------------------------------------------------------------------- | |
| //++ | |
| // AsmReadIbr | |
| // | |
| // This routine is used to Reads the current value of Instruction Breakpoint Register (IBR). | |
| // | |
| // Arguments : | |
| // | |
| // On Entry : The 8-bit IBR index. | |
| // | |
| // Return Value: The current value of IBR by Index. | |
| // | |
| //-- | |
| //---------------------------------------------------------------------------------- | |
| .text | |
| .type AsmReadIbr, @function | |
| .proc AsmReadIbr | |
| .regstk 1, 0, 0, 0 | |
| AsmReadIbr:: | |
| mov r8 = ibr[in0];; | |
| br.ret.dpnt b0;; | |
| .endp AsmReadIbr | |
| //--------------------------------------------------------------------------------- | |
| //++ | |
| // AsmWriteIbr | |
| // | |
| // This routine is used to write the current value to Instruction Breakpoint Register (IBR). | |
| // | |
| // Arguments : | |
| // | |
| // On Entry : The 8-bit IBR index. | |
| // The value should be written to IBR | |
| // | |
| // Return Value: The value written to IBR. | |
| // | |
| //-- | |
| //---------------------------------------------------------------------------------- | |
| .text | |
| .type AsmWriteIbr, @function | |
| .proc AsmWriteIbr | |
| .regstk 2, 0, 0, 0 | |
| AsmWriteIbr:: | |
| mov ibr[in0] = in1 | |
| mov r8 = in1;; | |
| srlz.i;; | |
| br.ret.dpnt b0;; | |
| .endp AsmWriteIbr |