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[RFC][PATCH v2 0/2] Add RISC-V cpu description and sim


This is v2 of a patchset to add a RISC-V cgen cpu description and
cgen-based simulator.

Changes since the first set of patches:
* More tests added for the simulator
* fence.i and csr instruction have been separated out into new extensions
* All assembler/disassembler related code has been removed,
cgen-generated files for the assembler and disassembler are no longer
generated. The patch set *only* adds the simulator.
* Fixed a crash if no file given when running the simulator via GDB
* Limitations have been documented at the top of the riscv.cpu file,
and are more consistently documented throughout.
* 'FC' and 'DC' extensions have been added so that instructions which
require the union of the two extensions will not been enabled simply
when the 'C' extension is present.
* The handling of 'x0/zero' is better documented.
* The files "include/gdb/sim-riscv.h" and "gdb/riscv-tdep.h" have been
unified so that there is only one definitive version of the register
numbers in "include/gdb/sim-riscv.h" (which is then included from
gdb/riscv-tdep.h"
* I've specified myself (ed.jones@embecosm.com) as maintainer for the simulator.
* Various typos fixed.

Regards,
Ed

On Wed, 11 Sep 2019 at 17:50, Edward Jones <ed.jones@embecosm.com> wrote:
>
> We're looking to add a cpu description for the riscv architecture
> plus a simulator port. The simulator has support for rv{32,64}imacfd
> and is capable of running small programs compiled against newlib.
>
> The first patch contains binutils changes, and the second
> patch contains the simulator.
>
> The cpu description adds generic cgen dependencies to libopcodes,
> plus the generated riscv files. These sit along side the existing
> riscv files in opcodes/ which are used by binutils and the
> assembler.
>
> This work was done on behalf of Embecosm with contributions
> from Mary Bennett, Ed Jones, Craig Blackmore, Andrew Burgess
> and Mark Corbin.
>
> Testing
> -------
> The changes include a testsuite with a little over 100 simple
> tests for a decent subset of the risc-v instructions. More
> substantial tests are being added.
>
> A subset of the GCC testsuite (c-torture compile+execute) is
> being used to test this nightly with the following latest
> results:
>
>                 === gcc Summary ===
>
> # of expected passes            60739
> # of unexpected failures        84
> # of unexpected successes       2
> # of expected failures          228
> # of unresolved testcases       95
> # of unsupported tests          800
>
> (Upstream GNU RV32 tool chain using Newlib and CGEN-based sim)
>
> Known Limitations
> -----------------
> There are a number of known limitations which we're working
> on. In rough order of priority:
>
> 1) TLS is currently non-functional (the thread pointer is
>    not initialized at startup). This is one of the causes
>    of GCC regression failures.
> 2) Floating point rounding modes not selectable. Currently
>    this is fixed to round-to-nearest.
> 3) Only the user-mode ISA is supported plus a handful of
>    CSRs. A small number of system calls are emulated (those
>    used by the riscv port of newlib)
> 4) No support for the standard 'Q' extension
>
> Regards,
> Ed
>
>
> Edward Jones (2):
>   RISC-V: Add cgen cpu description and generated files
>   RISC-V: Add cgen-based simulator port
>
>  cpu/ChangeLog                            |     5 +
>  cpu/riscv.cpu                            |  3688 +++
>  cpu/riscv.opc                            |  1052 +
>  gdb/ChangeLog                            |     3 +
>  gdb/configure.tgt                        |     1 +
>  include/gdb/ChangeLog                    |     4 +
>  include/gdb/sim-riscv.h                  |    54 +
>  opcodes/ChangeLog                        |    22 +
>  opcodes/Makefile.am                      |    13 +-
>  opcodes/Makefile.in                      |    18 +-
>  opcodes/configure                        |     2 +-
>  opcodes/configure.ac                     |     2 +-
>  opcodes/disassemble.c                    |     2 +-
>  opcodes/disassemble.h                    |     2 +-
>  opcodes/riscv-cgen-asm.c                 |  1437 ++
>  opcodes/riscv-cgen-desc.c                |  3537 +++
>  opcodes/riscv-cgen-desc.h                |   298 +
>  opcodes/riscv-cgen-dis.c                 |   937 +
>  opcodes/riscv-cgen-ibld.c                |  2540 ++
>  opcodes/riscv-cgen-opc.c                 |  6133 +++++
>  opcodes/riscv-cgen-opc.h                 |   251 +
>  opcodes/riscv-dis.c                      |     2 +-
>  sim/ChangeLog                            |    36 +
>  sim/common/ChangeLog                     |     7 +
>  sim/common/cgen-accfp.c                  |    24 +
>  sim/common/cgen-mem.h                    |     6 +-
>  sim/configure                            |     8 +
>  sim/configure.tgt                        |     3 +
>  sim/riscv/Makefile.in                    |   179 +
>  sim/riscv/aclocal.m4                     |   119 +
>  sim/riscv/arch.h                         |    30 +
>  sim/riscv/arch32.c                       |    53 +
>  sim/riscv/arch32.h                       |    53 +
>  sim/riscv/arch64.c                       |    53 +
>  sim/riscv/arch64.h                       |    53 +
>  sim/riscv/config.in                      |   248 +
>  sim/riscv/configure                      | 15961 +++++++++++++
>  sim/riscv/configure.ac                   |    23 +
>  sim/riscv/cpu32.c                        |   261 +
>  sim/riscv/cpu32.h                        |  1307 +
>  sim/riscv/cpu64.c                        |   261 +
>  sim/riscv/cpu64.h                        |  1346 ++
>  sim/riscv/cpuall.h                       |    30 +
>  sim/riscv/cpuall32.h                     |    71 +
>  sim/riscv/cpuall64.h                     |    71 +
>  sim/riscv/decode32.c                     |  4985 ++++
>  sim/riscv/decode32.h                     |   135 +
>  sim/riscv/decode64.c                     |  5122 ++++
>  sim/riscv/decode64.h                     |   157 +
>  sim/riscv/mloop.in                       |   108 +
>  sim/riscv/model32.c                      | 27429 +++++++++++++++++++++
>  sim/riscv/model64.c                      | 36949 +++++++++++++++++++++++++++++
>  sim/riscv/riscv-sim.h                    |    47 +
>  sim/riscv/riscv.c                        |   298 +
>  sim/riscv/sem32.c                        |  6046 +++++
>  sim/riscv/sem64.c                        |  8309 +++++++
>  sim/riscv/sim-if.c                       |   169 +
>  sim/riscv/sim-main.h                     |    90 +
>  sim/riscv/traps.c                        |   165 +
>  sim/testsuite/ChangeLog                  |     5 +
>  sim/testsuite/configure                  |     3 +
>  sim/testsuite/sim/riscv/ChangeLog        |   137 +
>  sim/testsuite/sim/riscv/add.S            |    16 +
>  sim/testsuite/sim/riscv/addi.S           |    15 +
>  sim/testsuite/sim/riscv/alltests.exp     |    34 +
>  sim/testsuite/sim/riscv/amoaddw.S        |    34 +
>  sim/testsuite/sim/riscv/amoandw.S        |    24 +
>  sim/testsuite/sim/riscv/amomaxuw.S       |    49 +
>  sim/testsuite/sim/riscv/amomaxw.S        |    49 +
>  sim/testsuite/sim/riscv/amominuw.S       |    49 +
>  sim/testsuite/sim/riscv/amominw.S        |    49 +
>  sim/testsuite/sim/riscv/amoorw.S         |    24 +
>  sim/testsuite/sim/riscv/amoswapw.S       |    34 +
>  sim/testsuite/sim/riscv/amoxorw.S        |    24 +
>  sim/testsuite/sim/riscv/and.S            |    16 +
>  sim/testsuite/sim/riscv/andi.S           |    15 +
>  sim/testsuite/sim/riscv/auipc.S          |    14 +
>  sim/testsuite/sim/riscv/beq.S            |    18 +
>  sim/testsuite/sim/riscv/beqz.S           |    17 +
>  sim/testsuite/sim/riscv/bge.S            |    22 +
>  sim/testsuite/sim/riscv/bgeu.S           |    22 +
>  sim/testsuite/sim/riscv/bgez.S           |    21 +
>  sim/testsuite/sim/riscv/bgt.S            |    20 +
>  sim/testsuite/sim/riscv/bgtu.S           |    20 +
>  sim/testsuite/sim/riscv/bgtz.S           |    19 +
>  sim/testsuite/sim/riscv/ble.S            |    22 +
>  sim/testsuite/sim/riscv/bleu.S           |    22 +
>  sim/testsuite/sim/riscv/blez.S           |    21 +
>  sim/testsuite/sim/riscv/blt.S            |    20 +
>  sim/testsuite/sim/riscv/bltu.S           |    20 +
>  sim/testsuite/sim/riscv/bltz.S           |    19 +
>  sim/testsuite/sim/riscv/bne.S            |    18 +
>  sim/testsuite/sim/riscv/bnez.S           |    17 +
>  sim/testsuite/sim/riscv/cadd.S           |    16 +
>  sim/testsuite/sim/riscv/caddi.S          |    15 +
>  sim/testsuite/sim/riscv/caddi16sp.S      |    15 +
>  sim/testsuite/sim/riscv/caddi4spn.S      |    15 +
>  sim/testsuite/sim/riscv/call.S           |    18 +
>  sim/testsuite/sim/riscv/cand.S           |    16 +
>  sim/testsuite/sim/riscv/candi.S          |    15 +
>  sim/testsuite/sim/riscv/cor.S            |    16 +
>  sim/testsuite/sim/riscv/csrc.S           |    13 +
>  sim/testsuite/sim/riscv/csrci.S          |    12 +
>  sim/testsuite/sim/riscv/csrrc.S          |    13 +
>  sim/testsuite/sim/riscv/csrrci.S         |    12 +
>  sim/testsuite/sim/riscv/csrrs.S          |    13 +
>  sim/testsuite/sim/riscv/csrrsi.S         |    12 +
>  sim/testsuite/sim/riscv/csrrw.S          |    13 +
>  sim/testsuite/sim/riscv/csrrwi.S         |    12 +
>  sim/testsuite/sim/riscv/csrs.S           |    13 +
>  sim/testsuite/sim/riscv/csrsi.S          |    12 +
>  sim/testsuite/sim/riscv/csrw.S           |    13 +
>  sim/testsuite/sim/riscv/csrwi.S          |    12 +
>  sim/testsuite/sim/riscv/cxor.S           |    16 +
>  sim/testsuite/sim/riscv/div.S            |    26 +
>  sim/testsuite/sim/riscv/divu.S           |    16 +
>  sim/testsuite/sim/riscv/ebreak.S         |    11 +
>  sim/testsuite/sim/riscv/ecall.S          |    11 +
>  sim/testsuite/sim/riscv/fadd-s.S         |    20 +
>  sim/testsuite/sim/riscv/fdiv-s.S         |    20 +
>  sim/testsuite/sim/riscv/fence.S          |    11 +
>  sim/testsuite/sim/riscv/fencei.S         |    11 +
>  sim/testsuite/sim/riscv/flw.S            |    22 +
>  sim/testsuite/sim/riscv/fmadd-s.S        |    25 +
>  sim/testsuite/sim/riscv/fmax-s.S         |    31 +
>  sim/testsuite/sim/riscv/fmin-s.S         |    31 +
>  sim/testsuite/sim/riscv/fmsub-s.S        |    25 +
>  sim/testsuite/sim/riscv/fmul-s.S         |    20 +
>  sim/testsuite/sim/riscv/fsgnj-s.S        |    20 +
>  sim/testsuite/sim/riscv/fsgnjn-s.S       |    20 +
>  sim/testsuite/sim/riscv/fsgnjx-s.S       |    20 +
>  sim/testsuite/sim/riscv/fsub-s.S         |    20 +
>  sim/testsuite/sim/riscv/fsw.S            |    22 +
>  sim/testsuite/sim/riscv/j.S              |    14 +
>  sim/testsuite/sim/riscv/jal.S            |    17 +
>  sim/testsuite/sim/riscv/jalr.S           |    20 +
>  sim/testsuite/sim/riscv/jr.S             |    15 +
>  sim/testsuite/sim/riscv/la.S             |    15 +
>  sim/testsuite/sim/riscv/lb.S             |    20 +
>  sim/testsuite/sim/riscv/lbu.S            |    20 +
>  sim/testsuite/sim/riscv/lh.S             |    20 +
>  sim/testsuite/sim/riscv/lhu.S            |    20 +
>  sim/testsuite/sim/riscv/li.S             |    14 +
>  sim/testsuite/sim/riscv/lla.S            |    15 +
>  sim/testsuite/sim/riscv/lrw.S            |    26 +
>  sim/testsuite/sim/riscv/lui.S            |    15 +
>  sim/testsuite/sim/riscv/lw.S             |    20 +
>  sim/testsuite/sim/riscv/misa-xlen-rv32.S |    19 +
>  sim/testsuite/sim/riscv/misa-xlen-rv64.S |    19 +
>  sim/testsuite/sim/riscv/mret.S           |    11 +
>  sim/testsuite/sim/riscv/mul.S            |    21 +
>  sim/testsuite/sim/riscv/mulh-rv32.S      |    22 +
>  sim/testsuite/sim/riscv/mulh-rv64.S      |    22 +
>  sim/testsuite/sim/riscv/mulhsu-rv32.S    |    21 +
>  sim/testsuite/sim/riscv/mulhsu-rv64.S    |    21 +
>  sim/testsuite/sim/riscv/mulhu-rv32.S     |    21 +
>  sim/testsuite/sim/riscv/mulhu-rv64.S     |    21 +
>  sim/testsuite/sim/riscv/mv.S             |    15 +
>  sim/testsuite/sim/riscv/neg.S            |    15 +
>  sim/testsuite/sim/riscv/nop.S            |    12 +
>  sim/testsuite/sim/riscv/not.S            |    15 +
>  sim/testsuite/sim/riscv/or.S             |    16 +
>  sim/testsuite/sim/riscv/ori.S            |    15 +
>  sim/testsuite/sim/riscv/rdcycle.S        |    11 +
>  sim/testsuite/sim/riscv/rdcycleh.S       |    11 +
>  sim/testsuite/sim/riscv/rdinstret.S      |    11 +
>  sim/testsuite/sim/riscv/rdinstreth.S     |    11 +
>  sim/testsuite/sim/riscv/rdtime.S         |    11 +
>  sim/testsuite/sim/riscv/rdtimeh.S        |    11 +
>  sim/testsuite/sim/riscv/rem.S            |    26 +
>  sim/testsuite/sim/riscv/remu.S           |    16 +
>  sim/testsuite/sim/riscv/ret.S            |    12 +
>  sim/testsuite/sim/riscv/sb.S             |    21 +
>  sim/testsuite/sim/riscv/scw.S            |    29 +
>  sim/testsuite/sim/riscv/seqz.S           |    18 +
>  sim/testsuite/sim/riscv/sfence.S         |    11 +
>  sim/testsuite/sim/riscv/sgtz.S           |    21 +
>  sim/testsuite/sim/riscv/sh.S             |    21 +
>  sim/testsuite/sim/riscv/sl.S             |    22 +
>  sim/testsuite/sim/riscv/slt.S            |    23 +
>  sim/testsuite/sim/riscv/slti.S           |    22 +
>  sim/testsuite/sim/riscv/sltiu.S          |    23 +
>  sim/testsuite/sim/riscv/sltu.S           |    26 +
>  sim/testsuite/sim/riscv/sltz.S           |    22 +
>  sim/testsuite/sim/riscv/snez.S           |    19 +
>  sim/testsuite/sim/riscv/sra.S            |    21 +
>  sim/testsuite/sim/riscv/srai.S           |    19 +
>  sim/testsuite/sim/riscv/sret.S           |    11 +
>  sim/testsuite/sim/riscv/srl.S            |    21 +
>  sim/testsuite/sim/riscv/srli.S           |    19 +
>  sim/testsuite/sim/riscv/sub.S            |    16 +
>  sim/testsuite/sim/riscv/sw.S             |    21 +
>  sim/testsuite/sim/riscv/tail.S           |    14 +
>  sim/testsuite/sim/riscv/testutils.inc    |    60 +
>  sim/testsuite/sim/riscv/wfi.S            |    11 +
>  sim/testsuite/sim/riscv/xor.S            |    16 +
>  sim/testsuite/sim/riscv/xori.S           |    15 +
>  197 files changed, 132967 insertions(+), 10 deletions(-)
>  create mode 100644 cpu/riscv.cpu
>  create mode 100644 cpu/riscv.opc
>  create mode 100644 include/gdb/sim-riscv.h
>  create mode 100644 opcodes/riscv-cgen-asm.c
>  create mode 100644 opcodes/riscv-cgen-desc.c
>  create mode 100644 opcodes/riscv-cgen-desc.h
>  create mode 100644 opcodes/riscv-cgen-dis.c
>  create mode 100644 opcodes/riscv-cgen-ibld.c
>  create mode 100644 opcodes/riscv-cgen-opc.c
>  create mode 100644 opcodes/riscv-cgen-opc.h
>  create mode 100644 sim/riscv/Makefile.in
>  create mode 100644 sim/riscv/aclocal.m4
>  create mode 100644 sim/riscv/arch.h
>  create mode 100644 sim/riscv/arch32.c
>  create mode 100644 sim/riscv/arch32.h
>  create mode 100644 sim/riscv/arch64.c
>  create mode 100644 sim/riscv/arch64.h
>  create mode 100644 sim/riscv/config.in
>  create mode 100755 sim/riscv/configure
>  create mode 100644 sim/riscv/configure.ac
>  create mode 100644 sim/riscv/cpu32.c
>  create mode 100644 sim/riscv/cpu32.h
>  create mode 100644 sim/riscv/cpu64.c
>  create mode 100644 sim/riscv/cpu64.h
>  create mode 100644 sim/riscv/cpuall.h
>  create mode 100644 sim/riscv/cpuall32.h
>  create mode 100644 sim/riscv/cpuall64.h
>  create mode 100644 sim/riscv/decode32.c
>  create mode 100644 sim/riscv/decode32.h
>  create mode 100644 sim/riscv/decode64.c
>  create mode 100644 sim/riscv/decode64.h
>  create mode 100644 sim/riscv/mloop.in
>  create mode 100644 sim/riscv/model32.c
>  create mode 100644 sim/riscv/model64.c
>  create mode 100644 sim/riscv/riscv-sim.h
>  create mode 100644 sim/riscv/riscv.c
>  create mode 100644 sim/riscv/sem32.c
>  create mode 100644 sim/riscv/sem64.c
>  create mode 100644 sim/riscv/sim-if.c
>  create mode 100644 sim/riscv/sim-main.h
>  create mode 100644 sim/riscv/traps.c
>  create mode 100644 sim/testsuite/sim/riscv/ChangeLog
>  create mode 100644 sim/testsuite/sim/riscv/add.S
>  create mode 100644 sim/testsuite/sim/riscv/addi.S
>  create mode 100644 sim/testsuite/sim/riscv/alltests.exp
>  create mode 100644 sim/testsuite/sim/riscv/amoaddw.S
>  create mode 100644 sim/testsuite/sim/riscv/amoandw.S
>  create mode 100644 sim/testsuite/sim/riscv/amomaxuw.S
>  create mode 100644 sim/testsuite/sim/riscv/amomaxw.S
>  create mode 100644 sim/testsuite/sim/riscv/amominuw.S
>  create mode 100644 sim/testsuite/sim/riscv/amominw.S
>  create mode 100644 sim/testsuite/sim/riscv/amoorw.S
>  create mode 100644 sim/testsuite/sim/riscv/amoswapw.S
>  create mode 100644 sim/testsuite/sim/riscv/amoxorw.S
>  create mode 100644 sim/testsuite/sim/riscv/and.S
>  create mode 100644 sim/testsuite/sim/riscv/andi.S
>  create mode 100644 sim/testsuite/sim/riscv/auipc.S
>  create mode 100644 sim/testsuite/sim/riscv/beq.S
>  create mode 100644 sim/testsuite/sim/riscv/beqz.S
>  create mode 100644 sim/testsuite/sim/riscv/bge.S
>  create mode 100644 sim/testsuite/sim/riscv/bgeu.S
>  create mode 100644 sim/testsuite/sim/riscv/bgez.S
>  create mode 100644 sim/testsuite/sim/riscv/bgt.S
>  create mode 100644 sim/testsuite/sim/riscv/bgtu.S
>  create mode 100644 sim/testsuite/sim/riscv/bgtz.S
>  create mode 100644 sim/testsuite/sim/riscv/ble.S
>  create mode 100644 sim/testsuite/sim/riscv/bleu.S
>  create mode 100644 sim/testsuite/sim/riscv/blez.S
>  create mode 100644 sim/testsuite/sim/riscv/blt.S
>  create mode 100644 sim/testsuite/sim/riscv/bltu.S
>  create mode 100644 sim/testsuite/sim/riscv/bltz.S
>  create mode 100644 sim/testsuite/sim/riscv/bne.S
>  create mode 100644 sim/testsuite/sim/riscv/bnez.S
>  create mode 100644 sim/testsuite/sim/riscv/cadd.S
>  create mode 100644 sim/testsuite/sim/riscv/caddi.S
>  create mode 100644 sim/testsuite/sim/riscv/caddi16sp.S
>  create mode 100644 sim/testsuite/sim/riscv/caddi4spn.S
>  create mode 100644 sim/testsuite/sim/riscv/call.S
>  create mode 100644 sim/testsuite/sim/riscv/cand.S
>  create mode 100644 sim/testsuite/sim/riscv/candi.S
>  create mode 100644 sim/testsuite/sim/riscv/cor.S
>  create mode 100644 sim/testsuite/sim/riscv/csrc.S
>  create mode 100644 sim/testsuite/sim/riscv/csrci.S
>  create mode 100644 sim/testsuite/sim/riscv/csrrc.S
>  create mode 100644 sim/testsuite/sim/riscv/csrrci.S
>  create mode 100644 sim/testsuite/sim/riscv/csrrs.S
>  create mode 100644 sim/testsuite/sim/riscv/csrrsi.S
>  create mode 100644 sim/testsuite/sim/riscv/csrrw.S
>  create mode 100644 sim/testsuite/sim/riscv/csrrwi.S
>  create mode 100644 sim/testsuite/sim/riscv/csrs.S
>  create mode 100644 sim/testsuite/sim/riscv/csrsi.S
>  create mode 100644 sim/testsuite/sim/riscv/csrw.S
>  create mode 100644 sim/testsuite/sim/riscv/csrwi.S
>  create mode 100644 sim/testsuite/sim/riscv/cxor.S
>  create mode 100644 sim/testsuite/sim/riscv/div.S
>  create mode 100644 sim/testsuite/sim/riscv/divu.S
>  create mode 100644 sim/testsuite/sim/riscv/ebreak.S
>  create mode 100644 sim/testsuite/sim/riscv/ecall.S
>  create mode 100644 sim/testsuite/sim/riscv/fadd-s.S
>  create mode 100644 sim/testsuite/sim/riscv/fdiv-s.S
>  create mode 100644 sim/testsuite/sim/riscv/fence.S
>  create mode 100644 sim/testsuite/sim/riscv/fencei.S
>  create mode 100644 sim/testsuite/sim/riscv/flw.S
>  create mode 100644 sim/testsuite/sim/riscv/fmadd-s.S
>  create mode 100644 sim/testsuite/sim/riscv/fmax-s.S
>  create mode 100644 sim/testsuite/sim/riscv/fmin-s.S
>  create mode 100644 sim/testsuite/sim/riscv/fmsub-s.S
>  create mode 100644 sim/testsuite/sim/riscv/fmul-s.S
>  create mode 100644 sim/testsuite/sim/riscv/fsgnj-s.S
>  create mode 100644 sim/testsuite/sim/riscv/fsgnjn-s.S
>  create mode 100644 sim/testsuite/sim/riscv/fsgnjx-s.S
>  create mode 100644 sim/testsuite/sim/riscv/fsub-s.S
>  create mode 100644 sim/testsuite/sim/riscv/fsw.S
>  create mode 100644 sim/testsuite/sim/riscv/j.S
>  create mode 100644 sim/testsuite/sim/riscv/jal.S
>  create mode 100644 sim/testsuite/sim/riscv/jalr.S
>  create mode 100644 sim/testsuite/sim/riscv/jr.S
>  create mode 100644 sim/testsuite/sim/riscv/la.S
>  create mode 100644 sim/testsuite/sim/riscv/lb.S
>  create mode 100644 sim/testsuite/sim/riscv/lbu.S
>  create mode 100644 sim/testsuite/sim/riscv/lh.S
>  create mode 100644 sim/testsuite/sim/riscv/lhu.S
>  create mode 100644 sim/testsuite/sim/riscv/li.S
>  create mode 100644 sim/testsuite/sim/riscv/lla.S
>  create mode 100644 sim/testsuite/sim/riscv/lrw.S
>  create mode 100644 sim/testsuite/sim/riscv/lui.S
>  create mode 100644 sim/testsuite/sim/riscv/lw.S
>  create mode 100644 sim/testsuite/sim/riscv/misa-xlen-rv32.S
>  create mode 100644 sim/testsuite/sim/riscv/misa-xlen-rv64.S
>  create mode 100644 sim/testsuite/sim/riscv/mret.S
>  create mode 100644 sim/testsuite/sim/riscv/mul.S
>  create mode 100644 sim/testsuite/sim/riscv/mulh-rv32.S
>  create mode 100644 sim/testsuite/sim/riscv/mulh-rv64.S
>  create mode 100644 sim/testsuite/sim/riscv/mulhsu-rv32.S
>  create mode 100644 sim/testsuite/sim/riscv/mulhsu-rv64.S
>  create mode 100644 sim/testsuite/sim/riscv/mulhu-rv32.S
>  create mode 100644 sim/testsuite/sim/riscv/mulhu-rv64.S
>  create mode 100644 sim/testsuite/sim/riscv/mv.S
>  create mode 100644 sim/testsuite/sim/riscv/neg.S
>  create mode 100644 sim/testsuite/sim/riscv/nop.S
>  create mode 100644 sim/testsuite/sim/riscv/not.S
>  create mode 100644 sim/testsuite/sim/riscv/or.S
>  create mode 100644 sim/testsuite/sim/riscv/ori.S
>  create mode 100644 sim/testsuite/sim/riscv/rdcycle.S
>  create mode 100644 sim/testsuite/sim/riscv/rdcycleh.S
>  create mode 100644 sim/testsuite/sim/riscv/rdinstret.S
>  create mode 100644 sim/testsuite/sim/riscv/rdinstreth.S
>  create mode 100644 sim/testsuite/sim/riscv/rdtime.S
>  create mode 100644 sim/testsuite/sim/riscv/rdtimeh.S
>  create mode 100644 sim/testsuite/sim/riscv/rem.S
>  create mode 100644 sim/testsuite/sim/riscv/remu.S
>  create mode 100644 sim/testsuite/sim/riscv/ret.S
>  create mode 100644 sim/testsuite/sim/riscv/sb.S
>  create mode 100644 sim/testsuite/sim/riscv/scw.S
>  create mode 100644 sim/testsuite/sim/riscv/seqz.S
>  create mode 100644 sim/testsuite/sim/riscv/sfence.S
>  create mode 100644 sim/testsuite/sim/riscv/sgtz.S
>  create mode 100644 sim/testsuite/sim/riscv/sh.S
>  create mode 100644 sim/testsuite/sim/riscv/sl.S
>  create mode 100644 sim/testsuite/sim/riscv/slt.S
>  create mode 100644 sim/testsuite/sim/riscv/slti.S
>  create mode 100644 sim/testsuite/sim/riscv/sltiu.S
>  create mode 100644 sim/testsuite/sim/riscv/sltu.S
>  create mode 100644 sim/testsuite/sim/riscv/sltz.S
>  create mode 100644 sim/testsuite/sim/riscv/snez.S
>  create mode 100644 sim/testsuite/sim/riscv/sra.S
>  create mode 100644 sim/testsuite/sim/riscv/srai.S
>  create mode 100644 sim/testsuite/sim/riscv/sret.S
>  create mode 100644 sim/testsuite/sim/riscv/srl.S
>  create mode 100644 sim/testsuite/sim/riscv/srli.S
>  create mode 100644 sim/testsuite/sim/riscv/sub.S
>  create mode 100644 sim/testsuite/sim/riscv/sw.S
>  create mode 100644 sim/testsuite/sim/riscv/tail.S
>  create mode 100644 sim/testsuite/sim/riscv/testutils.inc
>  create mode 100644 sim/testsuite/sim/riscv/wfi.S
>  create mode 100644 sim/testsuite/sim/riscv/xor.S
>  create mode 100644 sim/testsuite/sim/riscv/xori.S
>
> --
> 2.9.5
>


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