sim/bpf: desCGENization of the BPF simulator

The BPF port in binutils has been rewritten (commit
d218e7fedc74d67837d2134120917f4ac877454c) in order to not be longer
based on CGEN.  Please see that commit log for more information.

This patch updates the BPF simulator accordingly.  The new
implementation is much simpler and it is based on the new BPF opcodes.

Tested with target bpf-unknown-none with both 64-bit little-endian
host and 32-bit little-endian host.

Note that I have not tested in a big-endian host yet.  I will do so
once this lands upstream so I can use the GCC compiler farm.

1 files changed, 0 insertions, 65 deletions

diff --git a/sim/bpf/cpuall.h b/sim/bpf/cpuall.h
deleted file mode 100644
index cb36d46..0000000
--- a/sim/bpf/cpuall.h
+++ /dev/null
@@ -1,65 +0,0 @@
-/* Simulator CPU header for bpf.
-
-THIS FILE IS MACHINE GENERATED WITH CGEN.
-
-Copyright (C) 1996-2023 Free Software Foundation, Inc.
-
-This file is part of the GNU simulators.
-
-   This file is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 3, or (at your option)
-   any later version.
-
-   It is distributed in the hope that it will be useful, but WITHOUT
-   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
-   License for more details.
-
-   You should have received a copy of the GNU General Public License along
-   with this program; if not, write to the Free Software Foundation, Inc.,
-   51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
-
-*/
-
-#ifndef BPF_CPUALL_H
-#define BPF_CPUALL_H
-
-/* Include files for each cpu family.  */
-
-#ifdef WANT_CPU_BPFBF
-#include "eng.h"
-#include "cpu.h"
-#include "decode.h"
-#endif
-
-extern const SIM_MACH bpf_mach;
-
-#ifndef WANT_CPU
-/* The ARGBUF struct.  */
-struct argbuf {
-  /* These are the baseclass definitions.  */
-  IADDR addr;
-  const IDESC *idesc;
-  char trace_p;
-  char profile_p;
-  /* ??? Temporary hack for skip insns.  */
-  char skip_count;
-  char unused;
-  /* cpu specific data follows */
-};
-#endif
-
-#ifndef WANT_CPU
-/* A cached insn.
-
-   ??? SCACHE used to contain more than just argbuf.  We could delete the
-   type entirely and always just use ARGBUF, but for future concerns and as
-   a level of abstraction it is left in.  */
-
-struct scache {
-  struct argbuf argbuf;
-};
-#endif
-
-#endif /* BPF_CPUALL_H */