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2022-12-24sim: mips: move igen settings to top-level configureMike Frysinger1-3321/+0
This is the last bit of logic that exists in the mips configure script, so move it to the top-level configure to kill it off. We still have to move the Makefile.in igen logic to local.mk, but this is a required first step for that.
2022-12-24sim: mips: namespace igen configure varsMike Frysinger1-96/+96
To prepare moving this logic to the top-level configure, the vars need to be namespaced. Do that here to make it easier to review. Basically sim_xxx -> SIM_MIPS_XXX when a var is exported from the configure script to the Makefile, and sim_xxx -> sim_mips_xxx when the var is internal in the configure script.
2022-12-22sim: mips: trim redundant igen settingsMike Frysinger1-9/+0
These variables are setting the same value as the defaults. Trim this redundant logic to make it easier to see the real differences so we can try to keep unifying cases.
2022-12-22sim: mips: merge mips64* with existing multi-run buildMike Frysinger1-5/+2
Change the default (unhandled) mips64* targets to use the existing mips64 multi-run build. It already handles the formats, we just have to list the mips8000 bfd for it.
2022-12-22sim: mips: merge mips64vr5000 with existing multi-run buildMike Frysinger1-4/+1
The existing mips64vr-* multi-run build already handles mips5000 targets, so reuse that for mips64vr5* targets too. This moves more logic from build-time to runtime so we can have a single binary that supports many targets.
2022-12-22sim: mips: merge mips64vr4300 with existing multi-run buildMike Frysinger1-4/+1
The existing mips64vr-* multi-run build already handles mips4300 targets, so reuse that for mips64vr43* targets too. This moves more logic from build-time to runtime so we can have a single binary that supports many targets.
2022-12-21sim: mips: match target on cpu settingsMike Frysinger1-13/+13
We don't need to enforce larger target settings when the only thing the sim should care about is the CPU target. So reduce most of the target matches to only check the CPU.
2022-12-21sim: mips: move fpu bitsize defines to top-level configureMike Frysinger1-52/+2
This drops support for the --enable-sim-float configure option, but it's not clear anyone ever actually used that. Eventually we'll want this to be a runtime option anyways.
2022-12-21sim: mips: move bitsize defines to top-level configureMike Frysinger1-79/+2
Since the msb value is always defined as the wordsize-1, stop hardcoding that value directly, and use a CPP value instead.
2022-12-21sim: mips: move subtarget defines to top-level configureMike Frysinger1-20/+0
We want to kill off mips/configure entirely. Move this small part out now to get started.
2022-12-21sim: mips: always resolve active bfd mach dynamicallyMike Frysinger1-48/+0
Don't assume that the default bfd that we configured for is the one that is always active when running a program. We already have access to the real runtime value, so use it directly. This simplifies the code quite a bit, and will make it easier to support multiple mach's in a single binary.
2022-11-04sim: mips: simplify fpu configure logicMike Frysinger1-11/+7
The configure code always defaults to HARD_FLOATING_POINT, so inline that value and drop redundant target checks as a result.
2022-10-23sim: mips/ppc/riscv: re-add AC_CANONICAL_SYSTEM [PR sim/29439]Mike Frysinger1-0/+158
These configure scripts check $target and change behavior. They shouldn't be doing that, but until we can rework the sim to change behavior based on the input ELF, restore AC_CANONICAL_SYSTEM to these so that $target is correctly populated. This was lost in the d3562f83a7b8a1ae6e333cd5561419d3da18fcb4 ("sim: unify toolchain probing logic") refactor as the logic was hoisted up to the common code. But the fact the vars weren't passed down to the sub-configure scripts was missed. Bug: https://sourceware.org/PR29439
2022-02-21sim: gdbinit: hoist setup to common codeMike Frysinger1-9/+0
This was left in subdirs because of the dynamic cgen usage. However, we can move this breakpoint call to runtime and let gdb detect whether the symbol exists.
2022-02-04sim: mips: Add simulator support for mips32r6/mips64r6Faraz Shahbazker1-3/+19
2022-02-01 Ali Lown <ali.lown@imgtec.com> Andrew Bennett <andrew.bennett@imgtec.com> Dragan Mladjenovic <dragan.mladjenovic@rt-rk.com> Faraz Shahbazker <fshahbazker@wavecomp.com> sim/common/ChangeLog: * sim-bits.h (EXTEND9, EXTEND18 ,EXTEND19, EXTEND21, EXTEND26): New macros. sim/mips/ChangeLog: * Makefile.in (IGEN_INCLUDE): Add mips3264r6.igen. * configure: Regenerate. * configure.ac: Support mipsisa32r6 and mipsisa64r6. (sim_engine_run): Pick simulator model from processor specified in e_flags. * cp1.c (value_fpr): Handle fmt_dc32. (fp_unary, fp_binary): Zero initialize locals. (update_fcsr, fp_classify, fp_rint, fp_r6_cmp, inner_fmac, fp_fmac, fp_min, fp_max, fp_mina, fp_maxa, fp_fmadd, fp_fmsub): New functions. (sim_fpu_class_mips_mapping): New. * cp1.h (fcsr_ABS2008_mask, fcsr_ABS2008_shift): New define. * interp.c (MIPSR6_P): New. (load_word): Allow unaligned memory access for MIPSR6. * micromips.igen (sc, scd): Adapt to new do_sc* helper signature. * mips.igen: Add *r6 models. (signal_if_cti, forbiddenslot32): New helpers. (delayslot32): Use signal_if_cti. (do_sc, do_scd); Add store_ll_bit parameter. (sc, scd): Adapt to previous change. (nal, beq, bal): New definitions for *r6. (sll): Split nop and ssnop cases into ... (nop, ssnop): New definitions. (loadstore_ea): Use the 32-bit compatibility adressing. (cache): Split logic into ... (do_cache): New helper. (check_fpu): Select IEEE 754-2008 mode for R6. (not_word_value, unpredictable, check_mt_hilo, check_mf_hilo, check_multi_hilo, check_div_hilo, check_u64, do_dmfc1b, add, li, addu, and, andi, bgez, bgtz, blez, bltz, bne, break, dadd, daddiu, daddu, dror, dror32, drorv, dsll, dsll32, dsllv, dsra, dsra32, dsrav, dsrl, dsrl32, dsub, dsubu, j, jal, jalr, jalr.hb, lb, lbu, ld, lh, lhu, lui, lw, lwu, nor, or, ori, ror, rorv, sb, sd, sh, sll, sllv, slt, slti, sltiu, sltu, sra, srav, srl, srlv, sub, subu, sw, sync, syscall, teq, tge, tgeu, tlt, tltu, tne, xor, xori, check_fmt_p, do_load_double, do_store_double, abs.FMT, add.FMT, ceil.l.FMT, ceil.w.FMT, cfc1, ctc1, cvt.d.FMT, cvt.l.FMT, cvt.w.FMT, div.FMT, dfmc1, dmtc1, floor.l.FMT, floor.w.FMT, ldc1, lwc1, mfc1, mov.FMT, mtc1, mul.FMT, recip.FMT, round.l.FMT, round.w.FMT, rsqrt.FMT, sdc1, sqrt.FMT, sub.FMT, swc1, trunc.l.FMT, trunc.w.FMT, bc0f, bc0fl, bc0t, bc0tl, dmfc0, dmtc0, eret, mfc0, mtc0, cop, tlbp, tlbr, tlbwi, tlbwr): Enable on *r6 models. * mips3264r2.igen (dext, dextm, dextu, di, dins, dinsm, dinsu, dsbh, dshd, ei, ext, mfhc1, mthc1, ins, seb, seh, synci, rdhwr, wsbh): Likewise. * mips3264r6.igen: New file. * sim-main.h (FP_formats): Add fmt_dc32. (FORBIDDEN_SLOT): New macros. (simFORBIDDENSLOT, FP_R6CMP_*, FP_R6CLASS_*): New defines. (fp_r6_cmp, fp_classify, fp_rint, fp_min, fp_max, fp_mina, fp_maxa, fp_fmadd, fp_fmsub): New declarations. (R6Compare, Classify, RoundToIntegralExact, Min, Max, MinA, MaxA, FusedMultiplyAdd, FusedMultiplySub): New macros. Wrapping previous declarations. sim/testsuite/mips/ChangeLog: * basic.exp: Add r6-*.s tests. (run_r6_removed_test): New function. (run_endian_tests): New function. * hilo-hazard-3.s: Skip for mips*r6. * r2-fpu.s: New test. * r6-64.s: New test. * r6-branch.s: New test. * r6-forbidden.s: New test. * r6-fpu.s: New test. * r6-llsc-dp.s: New test. * r6-llsc-wp.s: New test. * r6-removed.csv: New test. * r6-removed.s: New test. * r6.s: New test. * utils-r6.inc: New inc.
2021-12-16sim: mips/or1k: drop redundant arg to bitsize macroMike Frysinger1-2/+1
These are just using the default behavior for the 3rd arg, so drop it to make it more clear. This also makes them match all other ports that only use the first 2 arguments.
2021-07-01sim: unify reserved instruction bits settingsMike Frysinger1-23/+0
Move these options up to the common dir so we only test & export them once across all ports. The setting only affects igen based ports, and they were turning this on by default, so keep the default in place.
2021-06-30sim: unify scache settingsMike Frysinger1-2/+0
The cgen scache module is enabled by every cgen port, and with the same default value of 16k (which matches the common default value). Let's pull this option out of the individual ports (via CPPFLAGS) and into the common code (via config.h). The object itself is compiled only for cgen ports atm, so that part doesn't change. The scache code is initialized dynamically via the modules.c logic. That's why the profile code needs an additional CGEN_ARCH check. This will allow us to collapse arch configure files more. Merging the source files will require more future work, but integrating the cgen & non-cgen worlds itself will take a lot.
2021-06-30sim: move default model to the runtime sim stateMike Frysinger1-2/+0
This kills off another compile-time option by moving the setting to the individual arch runtimes. This will allow dynamic selection by the arch when doing a single build with multiple arches. The sim_model_init rework is a little funky. In the past it was disabled entirely if no default model was set. We maintain the spirit of the logic by gating the fallback logic on whether the port has defined any models.
2021-06-22sim: drop configure scripts for simple portsMike Frysinger1-0/+7
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 Frysinger1-48/+0
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 Frysinger1-39/+24
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: delete SIM_AC_COMMON macroMike Frysinger1-2/+0
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 Frysinger1-37/+0
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: move sim-inline to the common codeMike Frysinger1-35/+0
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 Frysinger1-84/+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 Frysinger1-1107/+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 Frysinger1-1359/+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 Frysinger1-7684/+1
Move these options up to the common dir so we only test & export them once across all ports.
2021-06-19sim: mips: drop unused AC_PATH_X callMike Frysinger1-207/+3
We don't use anything from X, so no sense in probing the env.
2021-06-19sim: unify various library testing logicMike Frysinger1-187/+2
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 Frysinger1-111/+2
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 Frysinger1-105/+107
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.
2021-06-17sim: overhaul & unify endian settings managementMike Frysinger1-72/+2
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.
2021-06-16sim: drop obsolete AC_EXEEXT callMike Frysinger1-2/+0
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 Frysinger1-161/+42
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 Frysinger1-5/+1
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: overhaul alignment settings managementMike Frysinger1-54/+4
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 Frysinger1-77/+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 Frysinger1-132/+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 Frysinger1-28/+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 Frysinger1-24/+2
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 Frysinger1-471/+2
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.
2021-05-16sim: riscv: move __int128 check to configureMike Frysinger1-2/+12
2021-05-04sim: mips: always enable device modelsMike Frysinger1-9/+1
There's no need to restrict these to only specific targets as the user can select them at runtime if they want them. Always build them so we can improve build coverage too.
2021-05-04sim: mips: delete unused constant variablesMike Frysinger1-14/+2
Since these never change, inline and delete them.
2021-05-04sim: add support for build-time ar & ranlibMike Frysinger1-2/+10
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.
2021-05-01sim: nrun: add local strsignal prototypeMike Frysinger1-2/+5
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.
2021-04-23sim: simplify hardware m4 macroMike Frysinger1-10/+3
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 Tromey1-8/+2
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.
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