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author | Gabe Black <gblack@eecs.umich.edu> | 2009-07-08 23:02:21 -0700 |
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committer | Gabe Black <gblack@eecs.umich.edu> | 2009-07-08 23:02:21 -0700 |
commit | b398b8ff1ba7e181e010afd6219074cf6f683820 (patch) | |
tree | b41c9b78594bde90e77fa0e7b2e806e306e2ebad /src/arch/sparc/registers.hh | |
parent | 997f36c7115e37f292c50db8986c6ebd4bd1beca (diff) | |
download | gem5-b398b8ff1ba7e181e010afd6219074cf6f683820.tar.xz |
Registers: Add a registers.hh file as an ISA switched header.
This file is for register indices, Num* constants, and register types.
copyRegs and copyMiscRegs were moved to utility.hh and utility.cc.
--HG--
rename : src/arch/alpha/regfile.hh => src/arch/alpha/registers.hh
rename : src/arch/arm/regfile.hh => src/arch/arm/registers.hh
rename : src/arch/mips/regfile.hh => src/arch/mips/registers.hh
rename : src/arch/sparc/regfile.hh => src/arch/sparc/registers.hh
rename : src/arch/x86/regfile.hh => src/arch/x86/registers.hh
Diffstat (limited to 'src/arch/sparc/registers.hh')
-rw-r--r-- | src/arch/sparc/registers.hh | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/arch/sparc/registers.hh b/src/arch/sparc/registers.hh new file mode 100644 index 000000000..639b7a487 --- /dev/null +++ b/src/arch/sparc/registers.hh @@ -0,0 +1,80 @@ +/* + * Copyright (c) 2003-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Gabe Black + * Ali Saidi + */ + +#ifndef __ARCH_SPARC_REGISTERS_HH__ +#define __ARCH_SPARC_REGISTERS_HH__ + +#include "arch/sparc/max_inst_regs.hh" +#include "arch/sparc/miscregs.hh" +#include "arch/sparc/sparc_traits.hh" +#include "base/types.hh" + +namespace SparcISA +{ + using SparcISAInst::MaxInstSrcRegs; + using SparcISAInst::MaxInstDestRegs; + + typedef uint64_t IntReg; + typedef uint64_t MiscReg; + typedef float FloatReg; + typedef uint32_t FloatRegBits; + typedef union + { + IntReg intReg; + FloatReg fpreg; + MiscReg ctrlreg; + } AnyReg; + + typedef uint16_t RegIndex; + + // These enumerate all the registers for dependence tracking. + enum DependenceTags { + FP_Base_DepTag = 32*3+9, + Ctrl_Base_DepTag = FP_Base_DepTag + 64 + }; + + // semantically meaningful register indices + const int ZeroReg = 0; // architecturally meaningful + // the rest of these depend on the ABI + const int ReturnAddressReg = 31; // post call, precall is 15 + const int ReturnValueReg = 8; // Post return, 24 is pre-return. + const int StackPointerReg = 14; + const int FramePointerReg = 30; + + // Some OS syscall use a second register (o1) to return a second value + const int SyscallPseudoReturnReg = 9; + + const int NumIntArchRegs = 32; + const int NumIntRegs = (MaxGL + 1) * 8 + NWindows * 16 + NumMicroIntRegs; + +} // namespace SparcISA + +#endif |