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2021-06-24sim: cris: fix a few missing prototype warningsMike Frysinger3-32/+11
Add a stub prototype for the dump function meant to be called by devs from gdb, and trim unused functions that aren't supposed to be used.
2021-06-23sim: cris: override getpid callbackMike Frysinger2-0/+13
The cris linux syscall layers assume getpid returns a constant, so add a custom function to provide that.
2021-06-22sim: cris: fix a few warningsMike Frysinger2-2/+9
Include header for hw funcs called, adjust prototype to match the args given to it, and adjust cast to match the function.
2021-06-22sim: drop configure scripts for simple portsMike Frysinger2-0/+11
These ports only use the pieces that have been unified, so we can merge them into the common configure script and get rid of their unique one entirely. We still compile & link separate run programs, and have dedicated subdir Makefiles, but the configure script portion is merged.
2021-06-21sim: unify hardware settingsMike Frysinger3-49/+5
Move these options up to the common dir so we only test & export them once across all ports.
2021-06-21sim: hw: rework configure option & device selectionMike Frysinger4-52/+47
The sim-hardware configure option allows builders to select a set of device models to enable. But this seems like unnecessary overkill: the existence of individual device models doesn't affect performance at all as they are only enabled at runtime if the config uses them, and individually these are all <5KB a piece. Stripping off a total of ~50KB from a ~1MB binary doesn't seem useful, and it's extremely unlikely anyone will ever bother. So let's simplify the configure/make logic by turning sim-hardware into a boolean option like many of the other sim options. Any ports that have unique device models will declare them in their Makefile instead of at configure time. This will allow us to (eventually) unify the setting into the common dir.
2021-06-20sim: cris: clean up printf & abort usage a bitMike Frysinger2-40/+43
Inline the stats printf calls to avoid compiler warnings about non-literal format strings. This in turn highlights bad type sizes being passed in, so fix the strings to use the right size type. This in turn highlights the rest of the func using casts rather than the right type directly, so adjust all of those. Finally, replace a few abort+sim_engine_halt calls with the common sim_engine_abort. This provides good output while still aborting as we want.
2021-06-20sim: delete SIM_AC_COMMON macroMike Frysinger4-5/+5
Now that we've moved all content out to the common file, this is empty and can be deleted it entirely.
2021-06-20sim: unify general maintainer settingsMike Frysinger3-124/+5
Move these options up to the common dir so we only test & export them once across all ports. This takes a page from the cgen maint logic to make $(MAINT) work for non-automake Makefiles which will allow us to merge it together.
2021-06-20sim: unify cgen maintainer settingsMike Frysinger5-45/+6
Move these options up to the common dir so we only test & export them once across all ports. It makes it available to targets that aren't cgen-based, but those will just ignore the settings, so it shouldn't be an issue.
2021-06-20sim: move sim-inline to the common codeMike Frysinger3-36/+5
This will allow us to build the common code with the same inline settings as the arch subdirs, and only do the test once.
2021-06-19sim: unify gettext/intl probing logicMike Frysinger2-85/+0
Move these options up to the common dir so we only test & export them once across all ports.
2021-06-19sim: unify toolchain dependency logicMike Frysinger2-1109/+1
The common dir is already probing this info since it's using automake, so pass it down to the subdirs so they don't have to probe it at all.
2021-06-19sim: unify toolchain probing logicMike Frysinger2-1360/+26
Move these options up to the common dir so we only test & export them once across all ports.
2021-06-19sim: unify bfd library dependency testing logicMike Frysinger3-7691/+6
Move these options up to the common dir so we only test & export them once across all ports.
2021-06-19sim: unify various library testing logicMike Frysinger2-141/+6
Move these options up to the common dir so we only test & export them once across all ports.
2021-06-18sim: unify -Werror build settingsMike Frysinger3-112/+6
Move these options up to the common dir so we only test & export them once across all ports. It also enables -Werror usage on the common files we've been pulling out of arch subdirs.
2021-06-18sim: move -Werror disabling to MakefileMike Frysinger4-106/+116
For the ports that still don't build with -Werror, rather than disable the flag at configure time, do it at make time. This will allow us to unify these tests in the common sim configure script.
2021-06-18sim: split sim-signal.h include outMike Frysinger2-0/+5
The sim-basics.h is too big and includes too many things. This leads to some arch's sim-main.h having circular loop issues with defs, and makes it hard to separate out common objects from arch-specific defs. By splitting up sim-basics.h and killing off sim-main.h, it'll make it easier to separate out the two.
2021-06-17sim: overhaul & unify endian settings managementMike Frysinger5-56/+11
The m4 macro has 2 args: the "wire" settings (which represents the hardwired port behavior), and the default settings (which are used if nothing else is specified). If none are specified, the arch is expected to support both, and the value will be probed based on the user runtime options or the input program. Only two arches today set the default value (bpf & mips). We can probably let this go as it only shows up in one scenario: the sim is invoked, but with no inputs, and no user endian selection. This means bpf will not behave like the other arches: an error is shown and forces the user to make a choice. If an input program is used though, we'll still switch the default to that. This allows us to remove the WITH_DEFAULT_TARGET_BYTE_ORDER setting. For the ports that set a "wire" endian, move it to the runtime init of the respective sim_open calls. This allows us to change the WITH_TARGET_BYTE_ORDER to purely a user-selected configure setting if they want to force a specific endianness. With all the endian logic moved to runtime selection, we can move the configure call up to the common dir so we only process it once across all ports. The ppc arch was picking the wire endian based on the target used, but since we weren't doing that for other biendian arches, we can let this go too. We'll rely on the input selecting the endian, or make the user decide.
2021-06-17sim: split sim/callback.h include outMike Frysinger2-0/+5
The sim-basics.h is too big and includes too many things. This leads to some arch's sim-main.h having circular loop issues with defs, and makes it hard to separate out common objects from arch-specific defs. By splitting up sim-basics.h and killing off sim-main.h, it'll make it easier to separate out the two. Start with splitting out sim/callback.h.
2021-06-16sim: drop obsolete AC_EXEEXT callMike Frysinger2-2/+4
The current autoconf 2.69 defines this to nothing because the logic in AC_PROG_CC takes care of it all the time now. Delete the call.
2021-06-16sim: drop arch-specific config.hMike Frysinger4-281/+49
All of the settings in here are handled by the common top-level config.h, so drop the individual arch-config.h files entirely. This will also help guarantee that we don't add any new arch specific defines that would affect common code which will help with the effort of unifying them.
2021-06-15sim: move dv-sockser define to CPPFLAGSMike Frysinger3-8/+5
This is the only define left in m4/ that is not in the common config.h, so move it to sim_hw_cflags so we can drop the arch-specific config.h.
2021-06-12sim: start unifying portability shimsMike Frysinger2-0/+5
There are some functions that gnulib does not yet provide fallbacks for, so start a common file of our own for holding existing stubs.
2021-06-12sim: assume sys/select.h always existsMike Frysinger3-6/+6
Now that gnulib provides this, assume it exists.
2021-06-12sim: overhaul alignment settings managementMike Frysinger4-56/+8
Currently, the sim-config module will abort if alignment settings haven't been specified by the port's configure.ac. This is a bit weird when we've allowed SIM_AC_OPTION_ALIGNMENT to seem like it's optional to use. Thus everyone invokes it. There are 4 alignment settings, but really only 2 matters: strict and nonstrict. The "mixed" setting is just the default ("unset"), and "forced" isn't used directly by anyone (it's available as a runtime option for some ports). The m4 macro has 2 args: the "wire" settings (which represents the hardwired port behavior), and the default settings (which are used if nothing else is specified). If none are specified, then the build won't work (see above as if SIM_AC_OPTION_ALIGNMENT wasn't called). If default settings are provided, then that is used, but we allow the user to override at runtime. Otherwise, the "wire" settings are used and user runtime options to change are ignored. Most ports specify a default, or set the "wire" to nonstrict. A few set "wire" to strict, but it's not clear that's necessary as it doesn't make the code behavior, by default, any different. It might make things a little faster, but we should provide the user the choice of the compromises to make: force a specific mode at compile time for faster runtime, or allow the choice at runtime. More likely it seems like an oversight when these ports were initially created, and/or copied & pasted from existing ports. With all that backstory, let's get to what this commit does. First kill off the idea of a compile-time default alignment and set it to nonstrict in the common code. For any ports that want strict alignment by default, that code is moved to sim_open while initializing the sim. That means WITH_DEFAULT_ALIGNMENT can be completely removed. Moving the default alignment to the runtime also allows removal of setting the "wire" settings at configure time. Which allows removing of all arguments to SIM_AC_OPTION_ALIGNMENT and moving that call to common code. The macro logic can be reworked to not pass WITH_ALIGNMENT as -D CPPFLAG and instead move it to config.h. All of these taken together mean we can hoist the macro up to the top level and share it among all sims so behavior is consistent among all the ports.
2021-06-12sim: unify bug & package settingsMike Frysinger3-87/+2
Move these options up to the common dir so we only test & export them once across all ports. The AC_INIT macro does a lot of the heavy lifting already which allows further simplification.
2021-06-12sim: unify debug/stdio/trace/profile build settingsMike Frysinger2-150/+2
Move these options up to the common dir so we only test & export them once across all ports. The ppc code needs a little extra care with its trace settings as it's not exactly the same API as the common code. The other knobs are the same though.
2021-06-12sim: unify environment build settingsMike Frysinger3-32/+2
Move the --sim-enable-environment option up to the common dir so we only test & export it once across all ports.
2021-06-12sim: unify assert build settingsMike Frysinger4-28/+6
Move the --sim-enable-assert option up to the common dir so we only test & export it once across all ports.
2021-06-12sim: unify platform function & header testsMike Frysinger4-580/+7
Move the various platform tests up a level to avoid duplication across the ports. When building multiple versions, this speeds things up a bit. For now we move the obvious stuff up a level, but we don't turn own the config.h entirely just yet -- we still have some tests related to libraries that need consideration.
2021-06-09sim: cgen: inline cgen_init logicMike Frysinger2-4/+4
This function has done only one thing: post-process command line settings to see if profiling or tracing has been enabled, and if so, set the run_fast_p flag in the simulator state. That flag is only used in one place: to select the fast or slow cgen engine. By inlining the run_fast_p logic to the one place it's used, we can delete a good amount of logic specific to cgen ports: both the call to cgen_init and the conditional simulator state. This in turn allows us to have a single simulator state struct across all ports so we can share objects more between them, and makes the sim_open calls look more consistent.
2021-05-24opcodes: cris: move desc & opc files from sim/Mike Frysinger5-3339/+13
All other cgen ports keep their generated desc & opc files under opcodes/, so move the cris files over too. The cris-opc.c file, while not generated, is already here to complement.
2021-05-23sim: cris: fix memory setup typosMike Frysinger2-1/+5
The cleanup to use BFD_VMA_FMT also adjusted this line, but used the incorrect format: while BFD_VMA_FMT needs an explicit "x", PRIx32 does not, so the spurious "x" here confused the parser and broke execution.
2021-05-23sim: cris: add unistd.h for environ declMike Frysinger2-0/+5
We include environ.h for the fallback, but we still need to include unistd.h in case it provides it as gnulib will detect.
2021-05-17sim: cgen: invert sim_state storage for cgen portsMike Frysinger2-10/+4
2021-05-16sim: switch config.h usage to defs.hMike Frysinger10-4/+31
The defs.h header will take care of including the various config.h headers. For now, it's just config.h, but we'll add more when we integrate gnulib in. This header should be used instead of config.h, and should be the first include in every .c file. We won't rely on the old behavior where we expected files to include the port's sim-main.h which then includes the common sim-basics.h which then includes config.h. We have a ton of code that includes things before sim-main.h, and it sometimes needs to be that way. Creating a dedicated header avoids the ordering mess and implicit inclusion that shows up otherwise.
2021-05-16sim: riscv: move __int128 check to configureMike Frysinger3-2/+19
2021-05-15sim: switch to libiberty environ.hMike Frysinger2-16/+11
Drop our compat code and assume environ exists to simplify.
2021-05-14sim: callback: convert time interface to 64-bitMike Frysinger2-7/+9
PR sim/27705 Rather than rely on time_t being the right size between the host & target, have the interface always be 64-bit. We can figure out if we need to truncate when actually outputting it to the right target.
2021-05-04Add missing stdlib.h includes to simTom Tromey2-0/+6
This updates the various "mloop.in" files to emit an include of stdlib.h, to avoid warnings about 'abort' being undeclared. One such warning now remains, in mn10300.igen. I don't know offhand the best way to fix this one. 2021-05-04 Tom Tromey <tromey@adacore.com> * mloop.in: Include <stdlib.h>. sim/iq2000/ChangeLog 2021-05-04 Tom Tromey <tromey@adacore.com> * mloop.in: Include <stdlib.h>. sim/lm32/ChangeLog 2021-05-04 Tom Tromey <tromey@adacore.com> * mloop.in: Include <stdlib.h>. sim/m32r/ChangeLog 2021-05-04 Tom Tromey <tromey@adacore.com> * mloop.in: Include <stdlib.h>. sim/or1k/ChangeLog 2021-05-04 Tom Tromey <tromey@adacore.com> * mloop.in: Include <stdlib.h>.
2021-05-04sim: add support for build-time ar & ranlibMike Frysinger2-2/+14
This is needed when building for a target whose ar & ranlib are incompatible with the current build system. For example, building for Windows on a Linux system. Then manually import the automake rule for libigen.a, but tweak the tool variables to use the FOR_BUILD variants.
2021-05-04sim: clean up bfd_vma printingMike Frysinger2-7/+15
A lot of this code predates the bfd_vma format define, so we have a random mix of casts to known types so we can printf the value. Use the BFD_VMA_FMT that now exists to simplify and reliability output across different build configs.
2021-05-01sim: nrun: add local strsignal prototypeMike Frysinger3-2/+12
While libiberty provides a definition for this for systems that lack the function (e.g. Windows), it doesn't provide a prototype. So add our own local copy in the one file that uses the func.
2021-04-26sim: nltvals: unify common syscall tablesMike Frysinger2-3/+4
Since libgloss provides a default syscall table for arches, use that to provide the default syscall table for ports. Only the exceptions need to be enumerated now with the common logic as the default.
2021-04-25Add engv32.h to SIM_EXTRA_DEPS in sim/crisTom Tromey2-1/+5
A rebuild showed that an earlier change of mine missed a built header file -- cris/engv32.h. This patch fixes the problem. sim/cris/ChangeLog 2021-04-25 Tom Tromey <tom@tromey.com> * Makefile.in (SIM_EXTRA_DEPS): Add engv32.h.
2021-04-23sim: simplify hardware m4 macroMike Frysinger3-8/+7
Every port using this sets the 1st arg to yes and the 2nd arg to "". These are the defaults we probably want anyways in order to unify the codebase, so move them to the macro and only allow ports to declare extra hardware models.
2021-04-22Do not check for sys/time.h or sys/times.hTom Tromey5-18/+8
This updates the sim so that it unconditionally uses sys/time.h. This is in agreement with existing code, and a recent change to BFD. I also think that sys/times.h is never needed by the sim, so this patch removes the check and the one spot that was conditionally including it. sim/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * m4/sim_ac_common.m4 (SIM_AC_COMMON): Don't check for sys/time.h or sys/times.h. sim/aarch64/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/arm/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/avr/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/bfin/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/bpf/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/common/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * sim-utils.c: Update includes. sim/cr16/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * simops.c: Update includes. * configure, config.in: Rebuild. sim/cris/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * rvdummy.c: Update includes. * dv-rv.c: Update includes. * configure, config.in: Rebuild. sim/d10v/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/erc32/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/example-synacor/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/frv/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/ft32/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/h8300/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/iq2000/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/lm32/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/m32c/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/m32r/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/m68hc11/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/mcore/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/microblaze/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/mips/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/mn10300/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/moxie/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/msp430/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/or1k/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/ppc/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * mon.c: Update includes. * emul_unix.c: Update includes. (do_unix_gettimeofday): Update condition. sim/pru/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/riscv/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/rl78/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/rx/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild. sim/sh/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * interp.c: Update includes. * configure, config.in: Rebuild. sim/v850/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * configure, config.in: Rebuild.
2021-04-22Remove and modernize dependencies in simTom Tromey2-28/+9
Some spots in the sim build used manual dependencies, and some spots did a compilation by hand but did not use the automatic dependency tracking code. This patch fixes these spots. I didn't touch ppc, because it doesn't use the common Makefile code. I also didn't touch objects that are for the build machine, because automatic dependencies don't work for those. sim/arm/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (armemu26.o, armemu32.o): Use COMPILE and POSTCOMPILE. sim/bpf/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (arch.o, cpu.o, sim-if.o, traps.o): Remove. (mloop-le.o, mloop-be.o, decode-le.o, decode-be.o, sim-le.o) (sim-be.o): Use COMPILE and POSTCOMPILE. (SIM_EXTRA_DEPS): Add eng-le.h, eng-be.h. sim/cr16/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (SIM_EXTRA_DEPS): New variable. (simops.o): Remove. sim/cris/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (sim-if.o, dv-cris.o, dv-rv.o, arch.o, traps.o) (devices.o, crisv10f.o, mloopv10f.o, cpuv10.o, decodev10.o) (modelv10.o, crisv32f.o, mloopv32f.o, cpuv32.o, decodev32.o) (modelv32.o): Remove. (SIM_EXTRA_DEPS): Add engv10.h. sim/d10v/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (SIM_EXTRA_DEPS): New variable. (simops.o): Remove. sim/frv/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (arch.o, devices.o, frv.o, traps.o, pipeline.o) (interrupts.o, memory.o, cache.o, options.o, reset.o) (registers.o, profile.o, profile-fr400.o, profile-fr450.o) (profile-fr500.o, profile-fr550.o, sim-if.o, mloop.o, cpu.o) (decode.o, sem.o, model.o): Remove. (SIM_EXTRA_DEPS): Add eng.h. sim/iq2000/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (sim-if.o): Remove. (arch.o): Use COMPILE and POSTCOMPILE. (devices.o, iq2000.o, mloop.o, cpu.o, decode.o, sem.o, model.o): Remove. (SIM_EXTRA_DEPS): Add eng.h. sim/lm32/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (arch.o, traps.o, sim-if.o, lm32.o, mloop.o) (cpu.o, decode.o, sem.o, model.o): Remove. (SIM_EXTRA_DEPS): Add eng.h. sim/m32r/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (sim-if.o, arch.o, traps.o, traps-linux.o) (devices.o, m32r.o, mloop.o, cpu.o, decode.o, sem.o, model.o) (m32rx.o, mloopx.o, cpux.o, decodex.o, semx.o, modelx.o) (m32r2.o, mloop2.o, cpu2.o, decode2.o, sem2.o, model2.o): Remove. (SIM_EXTRA_DEPS): Add eng.h, engx.h, eng2.h. sim/m68hc11/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (interp.o): Remove. sim/mips/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (interp.o, m16run.o, micromipsrun.o, multi-run.o): Remove. (SIM_EXTRA_DEPS): New variable. sim/mn10300/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (interp.o): Remove. (idecode.o op_utils.o semantics.o): Remove. sim/or1k/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (mloop.o, arch.o, cpu.o, decode.o, sem.o) (sem-switch.o, model.o): Remove. sim/rl78/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (err.o, fpu.o, gdb-if.o, load.o, main.o, mem.o) (reg.o, rl78.o): Remove. sim/rx/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (err.o, fpu.o, gdb-if.o, load.o, main.o, mem.o) (misc.o, reg.o, rx.o, syscalls.o, trace.o): Remove. sim/sh/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (SIM_EXTRA_DEPS): New variable. (interp.o): Remove. sim/v850/ChangeLog 2021-04-22 Tom Tromey <tom@tromey.com> * Makefile.in (interp.o, simops.o, semantics.o): Remove.
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