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2013-10-15 * create-version.sh: Align parameters to match those ofHans-Peter Nilsson3-6/+19
../../gdb/common/create-version.sh. * Make-common.in (srcsim): New variable. (version.c): Adjust call to create-version.sh as per above.
2013-09-23Regenerate sim configure files to pick up support for powerpc64le inAlan Modra2-5/+15
libtool.m4.
2013-09-03sim: mark complete_option_list args const to fix build warningsMike Frysinger2-1/+5
The completion API was updated, but this func missed having its text/word args const.
2013-06-28move version.in from gdb/common back to gdbTom Tromey3-2/+8
This reverts part of the earlier version.in change. It moves version.in back to the gdb directory. This works around the CVS bug we've found. gdb * Makefile.in (version.c): Use version.in, not common/version.in. * common/create-version.sh: Likewise. * common/version.in: Move... * version.in: ...here. gdb/doc * Makefile.in (version.subst): Use version.in, not common/version.in. * gdbint.texinfo (Versions and Branches, Releasing GDB): Likewise. gdb/gdbserver * Makefile.in (version.c): Use version.in, not common/version.in. sim/common * Make-common.in (version.c): Use version.in, not common/version.in. * create-version.sh: Likewise. sim/ppc: * Make-common.in (version.c): Use version.in, not common/version.in.
2013-06-24Adapt sim to new version number & date locations.Joel Brobecker3-6/+42
This change is required now that gdb/version.in has been moved to gdb/common/version.in and now that the date needs to be fetched from bfd/version.h. sim/common/ChangeLog: * create-version.sh: New script. Adapted from gdb/commong/create-version.sh. * Make-common.in (version.c): Update rule dependencies, and re-implement using create-version.sh. sim/ppc/ChangeLog: * Makefile.in (srccom): New variable. (version.c): Update rule dependencies, and re-implement using sim/common/create-version.sh.
2013-06-21 * msp430: New Directory.Nick Clifton3-0/+40
* configure.tgt: Add it. * configure: Regenerate. * gennltvals.sh: Add msp430 support. * nltvals.def: Regenerate. * Makefile.in: New. * aclocal.m4: Generate. * config.in: Generate. * configure.ac: New. * configure: Generate. * msp430-sim.c: New. * msp430-sim.h: New. * sim-main.h: New. * trace.c: New. * trace.h: New.
2013-06-05sim: use AM_MAINTAINER_MODEMike Frysinger4-25/+74
I noticed the sim code is using an old implementation of the maintainer logic. I cut it over to the new macro (like gdb has been doing). In practice, it makes no difference currently as nothing in the sim tree uses it, but I have a follow up commit for the Blackfin tree that needs it.
2013-05-10gdbTom Tromey2-1/+8
Freddie Chopin <freddie_chopin@op.pl> PR build/15414: * configure: Rebuild. * configure.ac (build_warnings): Do not use -Wformat-nonliteral with -Wno-format. sim/common * acinclude.m4 (SIM_AC_OPTION_WARNINGS): Do not use -Wformat-nonliteral with -Wno-format. sim/bfin * configure: Rebuild. sim/cr16 * configure: Rebuild. sim/cris * configure: Rebuild. sim/d10v * configure: Rebuild. sim/igen * configure: Rebuild. sim/m68hc11 * configure: Rebuild. sim/mips * configure: Rebuild. sim/mn10300 * configure: Rebuild. sim/v850 * configure: Rebuild.
2013-03-26sim: rewrite SIM_AC_OPTION_HARDWARE a bit to simplify thingsMike Frysinger2-26/+26
There's no need to put the majority of the logic into the 3rd arg of the AC_ARG_ENABLE. Coupled with the lack of indentation, it makes it hard to follow, error prone to update, and duplicates code (with the 4th arg). So pull the logic out of the 3rd arg and outside of the AC_ARG_ENABLE macro. This allows us to gut the 4th arg entirely, merge with the code that followed the macro, and fix bugs related to the new dv-sockser in the process. Hopefully building the various sims with the default sim-hardware settings, as well as with explicit --{dis,en}able-sim-hardware flags, should all just work now.
2013-03-232013-03-23 Joel Sherrill <joel.sherrill@oarcorp.com>Joel Sherrill2-2/+23
* acinclude.m4: Add SIM_DV_SOCKSER_O which is empty on hosts which do not support dv-sockser.o. Add always as option to first argument to SIM_AC_OPTION_HARDWARE. Fail if hardware is always required to be enabled by simulator.
2013-03-15gdb:Steve Ellcey1-1/+1
2013-03-15 Steve Ellcey <sellcey@mips.com> * remote-sim.c (sim_command_completer): Make char arguments const. include: 2013-03-15 Steve Ellcey <sellcey@mips.com> * gdb/remote-sim.h (sim_command_completer): Make char arguments const. sim: 2013-03-15 Steve Ellcey <sellcey@mips.com> * arm/wrapper.c (sim_complete_command): Make char arguments const. * avr/interp.c (sim_complete_command): Ditto. * common/sim-options.c (sim_complete_command): Ditto. * cr16/interp.c (sim_complete_command): Ditto. * erc32/interf.c (sim_complete_command): Ditto. * m32c/gdb-if.c (sim_complete_command): Ditto. * microblaze/interp.c (sim_complete_command): Ditto. * ppc/sim_calls.c (sim_complete_command): Ditto. * rl78/gdb-if.c (sim_complete_command): Ditto. * rx/gdb-if.c (sim_complete_command): Ditto. * sh/interp.c (sim_complete_command): Ditto.
2013-01-01Update years in copyright notice for the GDB files.Joel Brobecker112-123/+112
Two modifications: 1. The addition of 2013 to the copyright year range for every file; 2. The use of a single year range, instead of potentially multiple year ranges, as approved by the FSF.
2012-11-20Fix sim build when configured with --enable-pluginsH.J. Lu3-2/+7442
* common/Make-common.in: Use lt_cv_dlopen_libs under PLUGINS condition. * common/acinclude.m4: Define lt_cv_dlopen_libs. * arm/configure: Regenerate. * avr/configure: Regenerate. * bfin/configure: Regenerate. * common/configure: Regenerate. * cr16/configure: Regenerate. * cris/configure: Regenerate. * d10v/configure: Regenerate. * erc32/configure: Regenerate. * frv/configure: Regenerate. * h8300/configure: Regenerate. * igen/configure: Regenerate. * iq2000/configure: Regenerate. * lm32/configure: Regenerate. * m32c/configure: Regenerate. * m32r/configure: Regenerate. * m68hc11/configure: Regenerate. * mcore/configure: Regenerate. * microblaze/configure: Regenerate. * mips/configure: Regenerate. * mn10300/configure: Regenerate. * moxie/configure: Regenerate. * ppc/configure: Regenerate. * rl78/configure: Regenerate. * rx/configure: Regenerate. * sh/configure: Regenerate. * sh64/configure: Regenerate. * testsuite/configure: Regenerate. * v850/configure: Regenerate.
2012-08-30sim: cr16: update syscall listMike Frysinger3-25/+34
2012-06-15Define PACKAGE macro in all sims' config.h.Joel Brobecker4-0/+27
Some of the common includes in include/gdb such as callback.h include bfd.h. But there was a recent change in bfd-in.h to require that config.h be included before bfd.h can be included: /* PR 14072: Ensure that config.h is included first. */ #if !defined PACKAGE && !defined PACKAGE_VERSION #error config.h must be included before this header #endif PACKAGE_VERSION is always defined by default by the AC_INIT autoconf macro, but PACKAGE isn't. This patch updates the SIM_AC_COMMON macro to define it, and then regenerates all configure scripts and config.in files. sim/common/changeLog: * acinclude.m4 (SIM_AC_COMMON): Define PACKAGE. * config.in, configure: Regenerate. sim/ChangeLog: * configure: Regenerate. sim/arm/ChangeLog: * config.in, configure: Regenerate. sim/avr/ChangeLog: * config.in, configure: Regenerate. sim/bfin/ChangeLog: * config.in, configure: Regenerate. sim/cr16/ChangeLog: * config.in, configure: Regenerate. sim/cris/ChangeLog: * config.in, configure: Regenerate. sim/d10v/ChangeLog: * config.in, configure: Regenerate. sim/erc32/ChangeLog: * config.in, configure: Regenerate. sim/frv/ChangeLog: * config.in, configure: Regenerate. sim/h8300/ChangeLog: * config.in, configure: Regenerate. sim/iq2000/ChangeLog: * config.in, configure: Regenerate. sim/lm32/ChangeLog: * config.in, configure: Regenerate. sim/m32c/ChangeLog: * config.in, configure: Regenerate. sim/m32r/ChangeLog: * config.in, configure: Regenerate. sim/m68hc11/ChangeLog: * config.in, configure: Regenerate. sim/mcore/ChangeLog: * config.in, configure: Regenerate. sim/microblaze/ChangeLog: * config.in, configure: Regenerate. sim/mips/ChangeLog: * config.in, configure: Regenerate. sim/mn10300/ChangeLog: * config.in, configure: Regenerate. sim/moxie/ChangeLog: * config.in, configure: Regenerate. sim/ppc/ChangeLog: * configure: Regenerate. sim/rl78/ChangeLog: * config.in, configure: Regenerate. sim/rx/ChangeLog: * config.in, configure: Regenerate. sim/sh/ChangeLog: * config.in, configure: Regenerate. sim/sh64/ChangeLog: * config.in, configure: Regenerate. sim/v850/ChangeLog: * config.in, configure: Regenerate. sim/testsuite/ChangeLog: * configure: Regenerate.
2012-05-242012-05-24 Pedro Alves <palves@redhat.com>Pedro Alves4-3/+11
* sim-signal.h (sim_signal_to_target): Rename to ... (sim_signal_to_gdb_signal): ... this. * sim-signal.c (sim_signal_to_target): Rename to ... (sim_signal_to_gdb_signal): ... this. * sim-reason.c (sim_stop_reason): Adjust to rename.
2012-05-24gdb/Pedro Alves2-10/+16
2012-05-24 Pedro Alves <palves@redhat.com> PR gdb/7205 Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout. gdb/gdbserver/ 2012-05-24 Pedro Alves <palves@redhat.com> PR gdb/7205 Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout. include/gdb/ 2012-05-24 Pedro Alves <palves@redhat.com> PR gdb/7205 * gdb/signals.def: Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout. sim/arm/ 2012-05-24 Pedro Alves <palves@redhat.com> PR gdb/7205 Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout. sim/avr/ 2012-05-24 Pedro Alves <palves@redhat.com> PR gdb/7205 Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout. sim/common/ 2012-05-24 Pedro Alves <palves@redhat.com> PR gdb/7205 Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout. sim/cr16/ 2012-05-24 Pedro Alves <palves@redhat.com> PR gdb/7205 Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout. sim/d10v/ 2012-05-24 Pedro Alves <palves@redhat.com> PR gdb/7205 Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout. sim/erc32/ 2012-05-24 Pedro Alves <palves@redhat.com> PR gdb/7205 Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout. sim/m32c/ 2012-05-24 Pedro Alves <palves@redhat.com> PR gdb/7205 Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout. sim/ppc/ 2012-05-24 Pedro Alves <palves@redhat.com> PR gdb/7205 Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout. sim/rl78/ 2012-05-24 Pedro Alves <palves@redhat.com> PR gdb/7205 Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout. sim/rx/ 2012-05-24 Pedro Alves <palves@redhat.com> PR gdb/7205 Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout.
2012-05-24gdb/Pedro Alves3-2/+8
2012-05-24 Pedro Alves <palves@redhat.com> PR gdb/7205 Replace target_signal with gdb_signal throughout. gdb/gdbserver/ 2012-05-24 Pedro Alves <palves@redhat.com> PR gdb/7205 Replace target_signal with gdb_signal throughout. include/gdb/ 2012-05-24 Pedro Alves <palves@redhat.com> PR gdb/7205 Replace target_signal with gdb_signal throughout. sim/common/ 2012-05-24 Pedro Alves <palves@redhat.com> PR gdb/7205 Replace target_signal with gdb_signal throughout.
2012-05-19 PR 14072Nick Clifton5-0/+12
* wrapper.c: Include config.h before system header files. * callback.c: Include config.h before system header files. * cgen-trace.c: Likewise. * cgen-utils.c: Likewise. * gentmap.c: Likewise. * sim-if.c: Include config.h before system header files. * compile.c: Include config.h before system header files. * sim-main.h: Likewise. * gdb-if.c: Include config.h before system header files. * load.c: Likewise. * syscalls.c: Likewise. * trace.c: Likewise. * interp.c: Include config.h before system header files.
2012-04-02sim: fix spelling typoMike Frysinger2-1/+5
2012-03-29Commit gdb and sim support for v850e2 and v850e2v3 on behalf ofKevin Buettner3-12/+25
Rathish C <Rathish.C@kpitcummins.com>.
2012-03-26sim: add a proper sim_core_trans_addr prototypeMike Frysinger2-0/+12
The common code has a sim_core_trans_addr() helper that only the m32r code uses. Move the inline extern in the m32r code to the proper common header. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-03-24 * nrun.c: Add #ifdef HAVE_CONFIG_H and associated includes stanzaHans-Peter Nilsson2-0/+11
missing in last change.
2012-03-24[PATCH] sim: make sure to include strsignal prototypeMike Frysinger6-123/+235
Before POSIX standardized strsignal(), old systems would hide the prototype unless the normal extension defines were enabled. So use the AC_USE_SYSTEM_EXTENSIONS helper for that. Then make sure we include string.h ourselves in nrun.c rather than relying on implicit includes via other sim headers. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-03-23sim: sync build_warnings handling with gdbMike Frysinger2-26/+44
The sim code gets the logic for SIM_AC_OPTION_WARNINGS from gdb, but it hasn't been updated in a good long while. Sync with the latest gdb code. There is a sim specific change in here: we disable -Werror for now. This is because all sim code atm contains warnings. Will probably have to slowly add a white list of targets which can tolerate this until everyone is updated. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-03-19sim: use character classes rather than rangesMike Frysinger4-18/+25
A-Z ranges don't work in all locales, so use character classes instead. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-03-19sim: nrun: decode signal when crashingMike Frysinger2-1/+6
This isn't entirely correct in that it assumes the signal numbering of the target and host match, but seeing as we already make that assumption in a few places, this patch doesn't make the situation any worse. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-01-06sim: headers: use abs_srcdir to find helper scriptsMike Frysinger2-2/+9
Trying to run `headers` in an out-of-tree build fails atm due to the relative srcdir paths being used in a location other than where they were setup to be used from. Get abs_srcdir from configure and use that instead where applicable. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-01-04Copyright year update in most files of the GDB Project.Joel Brobecker111-184/+121
gdb/ChangeLog: Copyright year update in most files of the GDB Project.
2012-01-02Update the copyright header of various files...Joel Brobecker4-3/+8
... to follow the correct syntax (according to the gospel of gnulib's update-copyright). In other words: - no comma after the last year; - FSF spelled exactly "Free Software Foundation, Inc.", with the comma and the period at the end. sim/common/ChangeLog: * dv-sockser.h, sim-assert.h, sim-fpu.c: Reformat the copyright header. sim/m32c/ChangeLog: * blinky.S, gloss.S, sample.S: Reformat copyright header. sim/mn10300/ChangeLog: * sim-main.h: Reformat copyright header. sim/ppc/ChangeLog: * dp-bit.c: Reformat copyright header. gdb/ChangeLog: * gdb/common/gdb_thread_db.h, gdb/dbxread.c, gdb/environ.c, gdb/gcore.h, gdb/rs6000-tdep.h, gdb/s390-nat.c, gdb/tic6x-tdep.c: Reformat the copyright header. gdb/gdbserver/ChangeLog: * terminal.h: Reformat copyright header. gdb/testsuite/ChangeLog: * dg-extract-results.sh, gdb.arch/gcore.c, gdb.arch/gdb1558.c, gdb.arch/i386-gnu-cfi.c, gdb.base/complex.c, gdb.base/cvexpr.c, gdb.base/gcore.c, gdb.base/gdb1555-main.c, gdb.base/gdb1555.c, gdb.base/gdb1821.c, gdb.base/long_long.c, gdb.base/restore.c, gdb.base/sepdebug.c, gdb.base/type-opaque-lib.c, gdb.base/type-opaque-main.c, gdb.cp/maint.exp, gdb.cp/namespace1.cc, gdb.cp/pr9631.cc, gdb.cp/psmang1.cc, gdb.cp/psmang2.cc, gdb.cp/try_catch.cc, gdb.cp/virtfunc.cc, gdb.hp/gdb.base-hp/reg.exp, gdb.mi/basics.c, gdb.mi/mi-stack.c, gdb.mi/mi-var-child.c, gdb.mi/mi2-var-child.exp, gdb.mi/var-cmd.c, gdb.threads/thread_check.c: Reformat copyright header.
2011-12-19Work around Solaris bourne shell limitation when building the simJoel Brobecker2-2/+9
Building the sim on a sparc-solaris 2.8 machine fails when configured with no extra sim hardware: > for hw in ; do \ > echo "extern const struct hw_descriptor > dv_${hw}_descriptor[];" ; \ > done >> tmp-hw.h > echo 'const char version[] = "'"`sed q > /[...]/../../gdb/version.in`"'";' > >> version.c-tmp > /bin/sh: -c: line 1: syntax error near unexpected token `;' > /bin/sh: -c: line 1: `for hw in ; do \' > make[3]: *** [hw-config.h] Error 2 The same thing happens with the version of bash that we got from Sun as well (which is very old: 2.03.0(1)-release). The problems comes from the fact that both shells are buggy, and reject the following script: for hw in ; do [...] done The above is what sim/common/Makefile.in tries to execute when generating hw-config.h. In order to allow users to build out of the box on these machines, this patch works around this bug. It does rely on the fact that none of the tokens in SIM_HW contain whitespaces. sim/common/ChangeLog: * Make-common.in (hw-config.h): Work around bug in Solaris 2.8 system bourne shell.
2011-12-03sim: export cb_get_string for people to useMike Frysinger2-3/+8
The common sim code provides a useful "get_string" function which reads a C string out of the target's memory space. So rename and export it for other people to use. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-12-03sim: generate build dependencies on the flyMike Frysinger5-199/+346
Lift the code that GDB is using to generate dependencies on the fly and port it over to the sim. Now people shouldn't have to manually maintain these in their Makefile's. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-11-07sim: dv-cfi: check for posix_fallocateMike Frysinger5-3/+13
Some systems (like OS X) do not have posix_fallocate. Add a configure check for it before we try to use it. This is less work than trying to support old systems. URL: http://sourceware.org/bugzilla/show_bug.cgi?id=13161 Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-10-19sim: dv-cfi: check for log2 support in libm when enabledMike Frysinger2-1/+9
The dv-cfi model uses log2() internally, so make sure we automatically link in libm when required. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-10-19[sim]: Only print the profile info title once.Joel Brobecker2-1/+6
sim/common/ChangeLog: From John Wehle <john@feith.com> (tiny patch) * sim-profile.c (profile_info): Only print the title once.
2011-10-18sim: rename common/aclocal.m4 to common/acinclude.m4Mike Frysinger3-942/+961
Automake likes to dump macros automatically used into the aclocal.m4 file, but the common/aclocal.m4 naming prevents that. So rename it to the more normal "acinclude.m4" so the aclocal tool can work. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-10-18sim: move from common.m4 to SIM_AC_COMMONMike Frysinger5-593/+351
Now that the sourceware tree generally requires autoconf-2.64, update the sim tree to require that too. This allows us to drop the long standing SIM_AC_COMMON/common.m4 workaround as autoconf 2.64+ seems to work for me. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-10-142011-10-14 Alexey Makhalov <makhaloff@gmail.com>Tom Tromey2-2/+7
* sim-alu.h (ALU32_AND): Clear carry flag. (ALU32_AND): Clear carry flag.
2011-10-10sim: dv-cfi: include stdbool.hMike Frysinger2-0/+5
The dv-cfi code uses the bool type but doesn't include the stdbool.h header. I didn't notice for Blackfin targets as the core Blackfin header will include stdbool.h, but most targets don't do this. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-10-10sim: dv-cfi: include common headers onlyMike Frysinger2-1/+6
The "devices.h" header is Blackfin-specific, so trying to build dv-cfi for any other target fails. Include the specific hw headers this file needs directly. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-10-05sim: merge changes from common.m4 back into SIM_AC_COMMONMike Frysinger2-0/+13
Seems some fixes were added to the common.m4 file but not the SIM_AC_COMMON macro. Keep the two in sync since they're supposed to be the same thing. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-07-12sim: include sim-options.h for command prototypeMike Frysinger2-0/+5
The sim_args_command prototype is in sim-options.h, so pull it in directly rather than assuming a common header does it. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-07-12sim: fix broken skel configure.ac exampleMike Frysinger2-1/+5
Shell code before AC_INIT will be silently culled, and since the common aclocal.m4 includes inline shell code, the file cannot be included before AC_INIT. So update the example to show people including the file after that rather than before to avoid random breakage. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-07-12sim: use AC_REQUIRE with AC_PROG_CCMike Frysinger2-1/+6
The autoconf guys point out that our usage of AC_PROG_CC in the SIM_AC_COMMON does not jive with their intended use. http://www.gnu.org/software/autoconf/manual/autoconf.html#Expanded-Before-Required So utilize AC_REQUIRE to make the warnings go away and generate the correct code with different autoconf versions. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-07-05sim: start a unified sim_do_commandMike Frysinger3-0/+43
Since sim_do_command for many people simply calls sim_args_command, start a unified version of it. For people who handle their own options, they could switch to this by using sim_add_option_table instead. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-05-27sim: fix minor --sysroot mem leakMike Frysinger2-3/+13
The current --sysroot parsing attempts to keep from leaking memory by treating the empty string specially (sine this is the initial value), but it ends up leaking memory when the arg is an empty string. So if someone uses --sysroot "", the old value is leaked, as is the new one. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-05-26sim: common: add back Blackfin syscallsMike Frysinger2-0/+35
A semi-recent change which regenerated nltvals.def somehow missed all of the Blackfin syscalls. So regenerate against the latest tree to get them back. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-05-26sim: add syscall tracing levelMike Frysinger3-1/+30
It's useful to be able to trace just the system calls the simulated program is calling, so add a new --trace-syscall option for ports to leverage if they choose. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-05-23sim: glue: allow bitwise devices to only glue intsMike Frysinger2-47/+61
Some Blackfin parts tie a bunch of interrupt lines into a single OR gate before feeding the result into the SIC. The glue-or device in the sim provides a nice way of modeling this exact behavior. At the moment though, it requires the device to be mapped into the address space so that things could write to it directly. This is not needed for the Blackfin usage, so make it optional. Now the glue devices can be used to simply tie interrupt lines together. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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