Commit graph

10 commits

Author SHA1 Message Date
Korey Sewell
38ce95db3b Support for All Jump Instructions ...
Redo format for Branches and Jumps ( Must update NNPC not NPC )

Now all branches and jumps look like they auto-generate correctly from isa_parser.py!!!

arch/mips/isa/decoder.isa:
    Support for All Jump Instructions ..
arch/mips/isa/formats/branch.isa:
    Redo format for Branches and Jumps ( Must update NNPC not NPC )
arch/mips/isa/formats/util.isa:
    define clear_exe_inst_hazards for later use

--HG--
extra : convert_revision : 63618ed12ee6ed94c47d29619cc1cab2cbaf5cda
2006-02-20 01:49:16 -05:00
Korey Sewell
a48c24b61e Support NNPC and branch instructions ... Outputs to decoder.cc correctly
Edits to the CPU model may still need to be made to handle branch likely insts...

arch/isa_parser.py:
    add a NNPC operand ...
arch/mips/isa/base.isa:
    change SPARC to MIPS
arch/mips/isa/decoder.isa:
    typo < to >=
arch/mips/isa/formats/basic.isa:
    spacing
arch/mips/isa/formats/branch.isa:
    add code for branch instructions (still need adjustments for the branch likely)
arch/mips/isa/operands.isa:
    support for NNPC and R31
arch/mips/isa_traits.hh:
    NNPC Addr variable

--HG--
extra : convert_revision : df03d2a71c36dbc00270c2e3d7882b4f09ed97ad
2006-02-18 23:17:45 -05:00
Korey Sewell
bd17580928 changes from mergedmem
arch/mips/isa/formats/branch.isa:
    add branch_likely member functions
cpu/base.hh:
cpu/exec_context.hh:
cpu/static_inst.hh:
    change from mergedmem

--HG--
extra : convert_revision : d6ad6943e2ef09eac91a466fc5c9bd8e66bf319a
2006-02-18 14:38:23 -05:00
Korey Sewell
159e334531 use string name to figure out if we have a "AndLink" instruction
arch/mips/isa/operands.isa:
    uq -> uw

--HG--
extra : convert_revision : eeac6dba813de8174d080a5fa9b5a396b345113a
2006-02-18 04:17:11 -05:00
Korey Sewell
6bf71f96f3 MIPS generates ISA code through scons '.../decoder.cc'!!!
Now, must create g++ compilable code ...

arch/mips/isa/decoder.isa:
    missing a '}' ... edited a few instruction decodings ...
arch/mips/isa/formats.isa:
    rearranged #include
arch/mips/isa/formats/branch.isa:
    add Branch Likely  and Unconditional format
arch/mips/isa/formats/int.isa:
    move OperateNopCheckDecode template to another file ...
arch/mips/isa/formats/noop.isa:
    change Alpha to Mips in noop.isa

--HG--
extra : convert_revision : 4bf955fa6dffbbc99fb95fee7878f691e3df5424
2006-02-18 03:12:04 -05:00
Korey Sewell
7446238118 Get ISA parser to at least include all the ISA correctly ... crashes with "None" error
arch/mips/isa/decoder.isa:
    CondBranch format split up into Branch & BranchLikely formats
arch/mips/isa/formats.isa:
    include util.isa
arch/mips/isa/formats/branch.isa:
    erroneous 'e' at top of code
arch/mips/isa/formats/util.isa:
    util.isa

--HG--
extra : convert_revision : 4fc44a05e2838749e66cd70f210e8a718b34cbf3
2006-02-16 02:51:04 -05:00
Korey Sewell
7c9ea671af file name changes ... minor ISA changes
arch/mips/isa/base.isa:
    restoring base.isa file ...
arch/mips/isa/formats/basic.isa:
    add c++ emacs header
arch/mips/isa/formats/branch.isa:
    added branch likely format
arch/mips/isa/formats/int.isa:
    small change to python code

--HG--
extra : convert_revision : defd592abb1a724f5f88b19c197b858420e92d17
2006-02-16 02:39:46 -05:00
Korey Sewell
5830200d78 trying to get ISA to parse correctly ...
arch/mips/isa/formats/unimp.isa:
    holds unimplemented formats
arch/mips/isa/formats/unknown.isa:
    holds unknown formats

--HG--
extra : convert_revision : 0f3a8ea7e3a1592322cce54527d6989152e57975
2006-02-14 21:26:01 -05:00
Korey Sewell
b6d21b7a34 Code for more "BasicOp" instructions ... formats for all instructions in place ... Edits to Branch Format
arch/mips/isa/decoder.isa:
    Code for di,ei,seb,seh,clz,and clo ....

    Every instruction has a format now (of course these are initial formats are still subject to change!)
arch/mips/isa/formats/branch.isa:
    Format Branch in MIPS similar to Alpha Format

--HG--
extra : convert_revision : 2118a1d9668610b1e9f1dea66d878b7b36c1ac7e
2006-02-08 16:24:04 -05:00
Korey Sewell
b203d7bd33 add at least BasicOp Format to most if not all instructions
and file name changes ...

arch/mips/isa/decoder.isa:
    add at least BasicOp Format to most if not all instructions

--HG--
rename : arch/mips/isa/formats/basic.format => arch/mips/isa/formats/basic.isa
rename : arch/mips/isa/formats/branch.format => arch/mips/isa/formats/branch.isa
rename : arch/mips/isa/formats/fp.format => arch/mips/isa/formats/fp.isa
rename : arch/mips/isa/formats/int.format => arch/mips/isa/formats/int.isa
rename : arch/mips/isa/formats/mem.format => arch/mips/isa/formats/mem.isa
rename : arch/mips/isa/formats/noop.format => arch/mips/isa/formats/noop.isa
rename : arch/mips/isa/formats/tlbop.format => arch/mips/isa/formats/tlbop.isa
rename : arch/mips/isa/formats/trap.format => arch/mips/isa/formats/trap.isa
rename : arch/mips/isa/mips.isa => arch/mips/isa/main.isa
extra : convert_revision : 0b2f3aee13fee3e0e25c0c746af4216c4a596391
2006-02-08 14:50:07 -05:00
Renamed from arch/mips/isa/formats/branch.format (Browse further)