diff options
author | Gabe Black <gblack@eecs.umich.edu> | 2007-03-13 16:13:21 +0000 |
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committer | Gabe Black <gblack@eecs.umich.edu> | 2007-03-13 16:13:21 +0000 |
commit | ce18d900a17cdda2cc041b51c56e6c84fb155331 (patch) | |
tree | d7be0cac19e550c93fc207e749ea80e1cf9a639e /src/arch/mips | |
parent | 8edc9d79cee3edd6d16a8254a0180aaa242974c7 (diff) | |
download | gem5-ce18d900a17cdda2cc041b51c56e6c84fb155331.tar.xz |
Replaced makeExtMI with predecode.
Removed the getOpcode function from StaticInst which only made sense for Alpha.
Started implementing the x86 predecoder.
--HG--
extra : convert_revision : a13ea257c8943ef25e9bc573024a99abacf4a70d
Diffstat (limited to 'src/arch/mips')
-rw-r--r-- | src/arch/mips/utility.hh | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/src/arch/mips/utility.hh b/src/arch/mips/utility.hh index 56689ba4d..26cac9427 100644 --- a/src/arch/mips/utility.hh +++ b/src/arch/mips/utility.hh @@ -1,5 +1,6 @@ /* * Copyright (c) 2003-2005 The Regents of The University of Michigan + * Copyright (c) 2007 MIPS Technologies, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -27,6 +28,7 @@ * * Authors: Nathan Binkert * Steve Reinhardt + * Korey Sewell */ #ifndef __ARCH_MIPS_UTILITY_HH__ @@ -86,17 +88,15 @@ namespace MipsISA { return 0; } - static inline ExtMachInst - makeExtMI(MachInst inst, ThreadContext * xc) { -#if FULL_SYSTEM - ExtMachInst ext_inst = inst; - if (xc->readPC() && 0x1) - return ext_inst|=(static_cast<ExtMachInst>(xc->readPC() & 0x1) << 32); - else - return ext_inst; -#else - return ExtMachInst(inst); -#endif + enum PredecodeResult { + MoreBytes = 1, + ExtMIReady = 2 + }; + + static inline unsigned int + predecode(ExtMachInst &emi, Addr, MachInst inst, ThreadContext *) { + emi = inst; + return MoreBytes | ExtMIReady; } }; |