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patacongo
0fee218399
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3623 42af7a65-404d-4744-a932-0658087f49c3
147 lines
4.7 KiB
C
Executable File
147 lines
4.7 KiB
C
Executable File
/****************************************************************************
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* arch/mips/include/mips32/registers.h
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*
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* Copyright (C) 2011 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __ARCH_MIPS_INCLUDE_MIPS32_REGISTERS_H
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#define __ARCH_MIPS_INCLUDE_MIPS32_REGISTERS_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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/* Standard synonmyms for MIPS registers */
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#ifdef __ASSEMBLY__
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/* Zero register: Always returns 0 */
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#define zero $0
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/* Assembler temporary register: Reserved for use by the assembler */
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#define at_reg $1
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/* Return value registers: Value returned by function */
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#define v0 $2
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#define v1 $3
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/* Argument registers: First four parameters to a function */
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#define a0 $4
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#define a1 $5
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#define a2 $6
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#define a3 $7
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/* Volatile registers: Registers that can be used without saving */
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#define t0 $8
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#define t1 $9
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#define t2 $10
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#define t3 $11
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#define t4 $12
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#define t5 $13
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#define t6 $14
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#define t7 $15
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#define t8 $24
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#define t9 $25
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/* Static registers: Registers that must be saved and restored if used */
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#define s0 $16
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#define s1 $17
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#define s2 $18
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#define s3 $19
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#define s4 $20
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#define s5 $21
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#define s6 $22
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#define s7 $23
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/* Register 30 may be either an additional static register or a frame pointer */
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#define s8 $30
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#define fp $30
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/* Reserved for use by interrupt/trap handling logic */
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#define k0 $26
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#define k1 $27
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/* Global pointer register */
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#define gp $28
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/* Stack pointer register: Stack pointer */
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#define sp $29
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/* Return address register: Contains the function return address */
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#define ra $31
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#endif
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/****************************************************************************
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* Public Variables
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****************************************************************************/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif /* __ARCH_MIPS_INCLUDE_MIPS32_REGISTERS_H */
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