Revision
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Modified
Mon Oct 8 16:20:26 2007 UTC
(16 years, 9 months ago)
by
dpavlin
Original Path:
trunk/experiments/ic_statistics.c
File length: 5004 byte(s)
Diff to
previous 24
++ trunk/HISTORY (local)
$Id: HISTORY,v 1.1298 2006/07/22 11:27:46 debug Exp $
20060626 Continuing on SPARC emulation (beginning on the 'save'
instruction, register windows, etc).
20060629 Planning statistics gathering (new -s command line option),
and renaming speed_tricks to allow_instruction_combinations.
20060630 Some minor manual page updates.
Various cleanups.
Implementing the -s command line option.
20060701 FINALLY found the bug which prevented Linux and Ultrix from
running without the ugly hack in the R2000/R3000 cache isol
code; it was the phystranslation hint array which was buggy.
Removing the phystranslation hint code completely, for now.
20060702 Minor dyntrans cleanups; invalidation of physpages now only
invalidate those parts of a page that have actually been
translated. (32 parts per page.)
Some MIPS non-R3000 speed fixes.
Experimenting with MIPS instruction combination for some
addiu+bne+sw loops, and sw+sw+sw.
Adding support (again) for larger-than-4KB pages in MIPS tlbw*.
Continuing on SPARC emulation: adding load/store instructions.
20060704 Fixing a virtual vs physical page shift bug in the new tlbw*
implementation. Problem noticed by Jakub Jermar. (Many thanks.)
Moving rfe and eret to cpu_mips_instr.c, since that is the
only place that uses them nowadays.
20060705 Removing the BSD license from the "testmachine" include files,
placing them in the public domain instead; this enables the
testmachine stuff to be used from projects which are
incompatible with the BSD license for some reason.
20060707 Adding instruction combinations for the R2000/R3000 L1
I-cache invalidation code used by NetBSD/pmax 3.0, lui+addiu,
various branches followed by addiu or nop, and jr ra followed
by addiu. The time it takes to perform a full NetBSD/pmax R3000
install on the laptop has dropped from 573 seconds to 539. :-)
20060708 Adding a framebuffer controller device (dev_fbctrl), which so
far can be used to change the fb resolution during runtime, but
in the future will also be useful for accelerated block fill/
copy, and possibly also simplified character output.
Adding an instruction combination for NetBSD/pmax' strlen.
20060709 Minor fixes: reading raw files in src/file.c wasn't memblock
aligned, removing buggy multi_sw MIPS instruction combination,
etc.
20060711 Adding a machine_qemu.c, which contains a "qemu_mips" machine.
(It mimics QEMU's MIPS machine mode, so that a test kernel
made for QEMU_MIPS also can run in GXemul... at least to some
extent.) Adding a short section about how to run this mode to
doc/guestoses.html.
20060714 Misc. minor code cleanups.
20060715 Applying a patch which adds getchar() to promemul/yamon.c
(from Oleksandr Tymoshenko).
Adding yamon.h from NetBSD, and rewriting yamon.c to use it
(instead of ugly hardcoded numbers) + some cleanup.
20060716 Found and fixed the bug which broke single-stepping of 64-bit
programs between 0.4.0 and 0.4.0.1 (caused by too quick
refactoring and no testing). Hopefully this fix will not
break too many other things.
20060718 Continuing on the 8253 PIT; it now works with Linux/QEMU_MIPS.
Re-adding the sw+sw+sw instr comb (the problem was that I had
ignored endian issues); however, it doesn't seem to give any
big performance gain.
20060720 Adding a dummy Transputer mode (T414, T800 etc) skeleton (only
the 'j' and 'ldc' instructions are implemented so far). :-}
20060721 Adding gtreg.h from NetBSD, updating dev_gt.c to use it, plus
misc. other updates to get Linux 2.6 for evbmips/malta working
(thanks to Alec Voropay for the details).
FINALLY found and fixed the bug which made tlbw* for non-R3000
buggy; it was a reference count problem in the dyntrans core.
20060722 Testing stuff; things seem stable enough for a new release.
============== RELEASE 0.4.1 ==============
Revision
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Modified
Mon Oct 8 16:19:56 2007 UTC
(16 years, 9 months ago)
by
dpavlin
Original Path:
trunk/experiments/ic_statistics.c
File length: 4949 byte(s)
Diff to
previous 22
++ trunk/HISTORY (local)
$Id: HISTORY,v 1.1256 2006/06/23 20:43:44 debug Exp $
20060219 Various minor updates. Removing the old MIPS16 skeleton code,
because it will need to be rewritten for dyntrans anyway.
20060220-22 Removing the non-working dyntrans backend support.
Continuing on the 64-bit dyntrans virtual memory generalization.
20060223 More work on the 64-bit vm generalization.
20060225 Beginning on MIPS dyntrans load/store instructions.
Minor PPC updates (64-bit load/store, etc).
Fixes for the variable-instruction-length framework, some
minor AVR updates (a simple Hello World program works!).
Beginning on a skeleton for automatically generating documen-
tation (for devices etc.).
20060226 PPC updates (adding some more 64-bit instructions, etc).
AVR updates (more instructions).
FINALLY found and fixed the zs bug, making NetBSD/macppc
accept the serial console.
20060301 Adding more AVR instructions.
20060304 Continuing on AVR-related stuff. Beginning on a framework for
cycle-accurate device emulation. Adding an experimental "PAL
TV" device (just a dummy so far).
20060305 Adding more AVR instructions.
Adding a dummy epcom serial controller (for TS7200 emulation).
20060310 Removing the emul() command from configuration files, so only
net() and machine() are supported.
Minor progress on the MIPS dyntrans rewrite.
20060311 Continuing on the MIPS dyntrans rewrite (adding more
instructions, etc).
20060315 Adding more instructions (sllv, srav, srlv, bgtz[l], blez[l],
beql, bnel, slti[u], various loads and stores).
20060316 Removing the ALWAYS_SIGNEXTEND_32 option, since it was rarely
used.
Adding more MIPS dyntrans instructions, and fixing bugs.
20060318 Implementing fast loads/stores for MIPS dyntrans (big/little
endian, 32-bit and 64-bit modes).
20060320 Making MIPS dyntrans the default configure option; use
"--enable-oldmips" to use the old bintrans system.
Adding MIPS dyntrans dmult[u]; minor updates.
20060322 Continuing... adding some more instructions.
Adding a simple skeleton for demangling C++ "_ZN" symbols.
20060323 Moving src/debugger.c into a new directory (src/debugger/).
20060324 Fixing the hack used to load PPC ELFs (useful for relocated
Linux/ppc kernels), and adding a dummy G3 machine mode.
20060325-26 Beginning to experiment with GDB remote serial protocol
connections; adding a -G command line option for selecting
which TCP port to listen to.
20060330 Beginning a major cleanup to replace things like "0x%016llx"
with more correct "0x%016"PRIx64, etc.
Continuing on the GDB remote serial protocol support.
20060331 More cleanup, and some minor GDB remote progress.
20060402 Adding a hack to the configure script, to allow compilation
on systems that lack PRIx64 etc.
20060406 Removing the temporary FreeBSD/arm hack in dev_ns16550.c and
replacing it with a better fix from Olivier Houchard.
20060407 A remote debugger (gdb or ddd) can now start and stop the
emulator using the GDB remote serial protocol, and registers
and memory can be read. MIPS only for now.
20060408 More GDB progress: single-stepping also works, and also adding
support for ARM, PowerPC, and Alpha targets.
Continuing on the delay-slot-across-page-boundary issue.
20060412 Minor update: beginning to add support for the SPARC target
to the remote GDB functionality.
20060414 Various MIPS updates: adding more instructions for dyntrans
(eret, add), and making some exceptions work. Fixing a bug
in dmult[u].
Implementing the first SPARC instructions (sethi, or).
20060415 Adding "magic trap" instructions so that PROM calls can be
software emulated in MIPS dyntrans.
Adding more MIPS dyntrans instructions (ddiv, dadd) and
fixing another bug in dmult.
20060416 More MIPS dyntrans progress: adding [d]addi, movn, movz, dsllv,
rfi, an ugly hack for supporting R2000/R3000 style faked caches,
preliminary interrupt support, and various other updates and
bugfixes.
20060417 Adding more SPARC instructions (add, sub, sll[x], sra[x],
srl[x]), and useful SPARC header definitions.
Adding the first (trivial) x86/AMD64 dyntrans instructions (nop,
cli/sti, stc/clc, std/cld, simple mov, inc ax). Various other
x86 updates related to variable instruction length stuff.
Adding unaligned loads/stores to the MIPS dyntrans mode (but
still using the pre-dyntrans (slow) imlementation).
20060419 Fixing a MIPS dyntrans exception-in-delay-slot bug.
Removing the old "show opcode statistics" functionality, since
it wasn't really useful and isn't implemented for dyntrans.
Single-stepping (or running with instruction trace) now looks
ok with dyntrans with delay-slot architectures.
20060420 Minor hacks (removing the -B command line option when compiled
for non-bintrans, and some other very minor updates).
Adding (slow) MIPS dyntrans load-linked/store-conditional.
20060422 Applying fixes for bugs discovered by Nils Weller's nwcc
(static DEC memmap => now per machine, and adding an extern
keyword in cpu_arm_instr.c).
Finally found one of the MIPS dyntrans bugs that I've been
looking for (copy/paste spelling error BIG vs LITTLE endian in
cpu_mips_instr_loadstore.c for 16-bit fast stores).
FINALLY found the major MIPS dyntrans bug: slti vs sltiu
signed/unsigned code in cpu_mips_instr.c. :-)
Adding more MIPS dyntrans instructions (lwc1, swc1, bgezal[l],
ctc1, tlt[u], tge[u], tne, beginning on rdhwr).
NetBSD/hpcmips can now reach userland when using dyntrans :-)
Adding some more x86 dyntrans instructions.
Finally removed the old Alpha-specific virtual memory code,
and replaced it with the generic 64-bit version.
Beginning to add disassembly support for SPECIAL3 MIPS opcodes.
20060423 Continuing on the delay-slot-across-page-boundary issue;
adding an end_of_page2 ic slot (like I had planned before, but
had removed for some reason).
Adding a quick-and-dirty fallback to legacy coprocessor 1
code (i.e. skipping dyntrans implementation for now).
NetBSD/hpcmips and NetBSD/pmax (when running on an emulated
R4400) can now be installed and run. :-) (Many bugs left
to fix, though.)
Adding more MIPS dyntrans instructions: madd[u], msub[u].
Cleaning up the SPECIAL2 vs R5900/TX79/C790 "MMI" opcode
maps somewhat (disassembly and dyntrans instruction decoding).
20060424 Adding an isa_revision field to mips_cpu_types.h, and making
sure that SPECIAL3 opcodes cause Reserved Instruction
exceptions on MIPS32/64 revisions lower than 2.
Adding the SPARC 'ba', 'call', 'jmpl/retl', 'and', and 'xor'
instructions.
20060425 Removing the -m command line option ("run at most x
instructions") and -T ("single_step_on_bad_addr"), because
they never worked correctly with dyntrans anyway.
Freshening up the man page.
20060428 Adding more MIPS dyntrans instructions: bltzal[l], idle.
Enabling MIPS dyntrans compare interrupts.
20060429 FINALLY found the weird dyntrans bug, causing NetBSD etc. to
behave strangely: some floating point code (conditional
coprocessor branches) could not be reused from the old
non-dyntrans code. The "quick-and-dirty fallback" only appeared
to work. Fixing by implementing bc1* for MIPS dyntrans.
More MIPS instructions: [d]sub, sdc1, ldc1, dmtc1, dmfc1, cfc0.
Freshening up MIPS floating point disassembly appearance.
20060430 Continuing on C790/R5900/TX79 disassembly; implementing 128-bit
"por" and "pextlw".
20060504 Disabling -u (userland emulation) unless compiled as unstable
development version.
Beginning on freshening up the testmachine include files,
to make it easier to reuse those files (placing them in
src/include/testmachine/), and beginning on a set of "demos"
or "tutorials" for the testmachine functionality.
Minor updates to the MIPS GDB remote protocol stub.
Refreshing doc/experiments.html and gdb_remote.html.
Enabling Alpha emulation in the stable release configuration,
even though no guest OSes for Alpha can run yet.
20060505 Adding a generic 'settings' object, which will contain
references to settable variables (which will later be possible
to access using the debugger).
20060506 Updating dev_disk and corresponding demo/documentation (and
switching from SCSI to IDE disk types, so it actually works
with current test machines :-).
20060510 Adding a -D_LARGEFILE_SOURCE hack for 64-bit Linux hosts,
so that fseeko() doesn't give a warning.
Updating the section about how dyntrans works (the "runnable
IR") in doc/intro.html.
Instruction updates (some x64=1 checks, some more R5900
dyntrans stuff: better mul/mult separation from MIPS32/64,
adding ei and di).
Updating MIPS cpuregs.h to a newer one (from NetBSD).
Adding more MIPS dyntrans instructions: deret, ehb.
20060514 Adding disassembly and beginning implementation of SPARC wr
and wrpr instructions.
20060515 Adding a SUN SPARC machine mode, with dummy SS20 and Ultra1
machines. Adding the 32-bit "rd psr" instruction.
20060517 Disassembly support for the general SPARC rd instruction.
Partial implementation of the cmp (subcc) instruction.
Some other minor updates (making sure that R5900 processors
start up with the EIE bit enabled, otherwise Linux/playstation2
receives no interrupts).
20060519 Minor MIPS updates/cleanups.
20060521 Moving the MeshCube machine into evbmips; this seems to work
reasonably well with a snapshot of a NetBSD MeshCube kernel.
Cleanup/fix of MIPS config0 register initialization.
20060529 Minor MIPS fixes, including a sign-extension fix to the
unaligned load/store code, which makes NetBSD/pmax on R3000
work better with dyntrans. (Ultrix and Linux/DECstation still
don't work, though.)
20060530 Minor updates to the Alpha machine mode: adding an AlphaBook
mode, an LCA bus (forwarding accesses to an ISA bus), etc.
20060531 Applying a bugfix for the MIPS dyntrans sc[d] instruction from
Ondrej Palkovsky. (Many thanks.)
20060601 Minifix to allow ARM immediate msr instruction to not give
an error for some valid values.
More Alpha updates.
20060602 Some minor Alpha updates.
20060603 Adding the Alpha cmpbge instruction. NetBSD/alpha prints its
first boot messages :-) on an emulated Alphabook 1.
20060612 Minor updates; adding a dev_ether.h include file for the
testmachine ether device. Continuing the hunt for the dyntrans
bug which makes Linux and Ultrix on DECstation behave
strangely... FINALLY found it! It seems to be related to
invalidation of the translation cache, on tlbw{r,i}. There
also seems to be some remaining interrupt-related problems.
20060614 Correcting the implementation of ldc1/sdc1 for MIPS dyntrans
(so that it uses 16 32-bit registers if the FR bit in the
status register is not set).
20060616 REMOVING BINTRANS COMPLETELY!
Removing the old MIPS interpretation mode.
Removing the MFHILO_DELAY and instruction delay stuff, because
they wouldn't work with dyntrans anyway.
20060617 Some documentation updates (adding "NetBSD-archive" to some
URLs, and new Debian/DECstation installation screenshots).
Removing the "tracenull" and "enable-caches" configure options.
Improving MIPS dyntrans performance somewhat (only invalidate
translations if necessary, on writes to the entryhi register,
instead of doing it for all cop0 writes).
20060618 More cleanup after the removal of the old MIPS emulation.
Trying to fix the MIPS dyntrans performance bugs/bottlenecks;
only semi-successful so far (for R3000).
20060620 Minor update to allow clean compilation again on Tru64/Alpha.
20060622 MIPS cleanup and fixes (removing the pc_last stuff, which
doesn't make sense with dyntrans anyway, and fixing a cross-
page-delay-slot-with-exception case in end_of_page).
Removing the old max_random_cycles_per_chunk stuff, and the
concept of cycles vs instructions for MIPS emulation.
FINALLY found and fixed the bug which caused NetBSD/pmax
clocks to behave strangely (it was a load to the zero register,
which was treated as a NOP; now it is treated as a load to a
dummy scratch register).
20060623 Increasing the dyntrans chunk size back to
N_SAFE_DYNTRANS_LIMIT, instead of N_SAFE_DYNTRANS_LIMIT/2.
Preparing for a quick release, even though there are known
bugs, and performance for non-R3000 MIPS emulation is very
poor. :-/
Reverting to half the dyntrans chunk size again, because
NetBSD/cats seemed less stable with full size chunks. :(
NetBSD/sgimips 3.0 can now run :-) (With release 0.3.8, only
NetBSD/sgimips 2.1 worked, not 3.0.)
============== RELEASE 0.4.0 ==============
Revision
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Added
Mon Oct 8 16:19:37 2007 UTC
(16 years, 9 months ago)
by
dpavlin
Original Path:
trunk/experiments/ic_statistics.c
File length: 4920 byte(s)
++ trunk/HISTORY (local)
$Id: HISTORY,v 1.1121 2006/02/18 21:03:08 debug Exp $
20051126 Cobalt and PReP now work with the 21143 NIC.
Continuing on Alpha dyntrans things.
Fixing some more left-shift-by-24 to unsigned.
20051127 Working on OpenFirmware emulation; major cleanup/redesign.
Progress on MacPPC emulation: NetBSD detects two CPUs (when
running with -n 2), framebuffer output (for text) works.
Adding quick-hack Bandit PCI controller and "gc" interrupt
controller for MacPPC.
20051128 Changing from a Bandit to a Uni-North controller for macppc.
Continuing on OpenFirmware and MacPPC emulation in general
(obio controller, and wdc attached to the obio seems to work).
20051129 More work on MacPPC emulation (adding a dummy ADB controller).
Continuing the PCI bus cleanup (endianness and tag composition)
and rewriting all PCI controllers' access functions.
20051130 Various minor PPC dyntrans optimizations.
Manually inlining some parts of the framebuffer redraw routine.
Slowly beginning the conversion of the old MIPS emulation into
dyntrans (but this will take quite some time to get right).
Generalizing quick_pc_to_pointers.
20051201 Documentation update (David Muse has made available a kernel
which simplifies Debian/DECstation installation).
Continuing on the ADB bus controller.
20051202 Beginning a rewrite of the Zilog serial controller (dev_zs).
20051203 Continuing on the zs rewrite (now called dev_z8530); conversion
to devinit style.
Reworking some of the input-only vs output-only vs input-output
details of src/console.c, better warning messages, and adding
a debug dump.
Removing the concept of "device state"; it wasn't really used.
Changing some debug output (-vv should now be used to show all
details about devices and busses; not shown during normal
startup anymore).
Beginning on some SPARC instruction disassembly support.
20051204 Minor PPC updates (WALNUT skeleton stuff).
Continuing on the MIPS dyntrans rewrite.
More progress on the ADB controller (a keyboard is "detected"
by NetBSD and OpenBSD).
Downgrading OpenBSD/arc as a guest OS from "working" to
"almost working" in the documentation.
Progress on Algor emulation ("v3" PCI controller).
20051205 Minor updates.
20051207 Sorting devices according to address; this reduces complexity
of device lookups from O(n) to O(log n) in memory_rw (but no
real performance increase (yet) in experiments).
20051210 Beginning the work on native dyntrans backends (by making a
simple skeleton; so far only for Alpha hosts).
20051211 Some very minor SPARC updates.
20051215 Fixing a bug in the MIPS mul (note: not mult) instruction,
so it also works with non-64-bit emulation. (Thanks to Alec
Voropay for noticing the problem.)
20051216 More work on the fake/empty/simple/skeleton/whatever backend;
performance doesn't increase, so this isn't really worth it,
but it was probably worth it to prepare for a real backend
later.
20051219 More instr call statistics gathering and analysis stuff.
20051220 Another fix for MIPS 'mul'. Also converting mul and {d,}cl{o,z}
to dyntrans.
memory_ppc.c syntax error fix (noticed by Peter Valchev).
Beginning to move out machines from src/machine.c into
individual files in src/machines (in a way similar to the
autodev system for devices).
20051222 Updating the documentation regarding NetBSD/pmax 3.0.
20051223 - " - NetBSD/cats 3.0.
20051225 - " - NetBSD/hpcmips 3.0.
20051226 Continuing on the machine registry redesign.
Adding support for ARM rrx (33-bit rotate).
Fixing some signed/unsigned issues (exposed by gcc -W).
20051227 Fixing the bug which prevented a NetBSD/prep 3.0 install kernel
from starting (triggered when an mtmsr was the last instruction
on a page). Unfortunately not enough to get the kernel to run
as well as the 2.1 kernels did.
20051230 Some dyntrans refactoring.
20051231 Continuing on the machine registry redesign.
20060101-10 Continuing... moving more machines. Moving MD interrupt stuff
from machine.c into a new src/machines/interrupts.c.
20060114 Adding various mvmeppc machine skeletons.
20060115 Continuing on mvme* stuff. NetBSD/mvmeppc prints boot messages
(for MVME1600) and reaches the root device prompt, but no
specific hardware devices are emulated yet.
20060116 Minor updates to the mvme1600 emulation mode; the Eagle PCI bus
seems to work without much modification, and a 21143 can be
detected, interrupts might work (but untested so far).
Adding a fake MK48Txx (mkclock) device, for NetBSD/mvmeppc.
20060121 Adding an aux control register for ARM. (A BIG thank you to
Olivier Houchard for tracking down this bug.)
20060122 Adding more ARM instructions (smulXY), and dev_iq80321_7seg.
20060124 Adding disassembly of more ARM instructions (mia*, mra/mar),
and some semi-bogus XScale and i80321 registers.
20060201-02 Various minor updates. Moving the last machines out of
machine.c.
20060204 Adding a -c command line option, for running debugger commands
before the simulation starts, but after all files have been
loaded.
Minor iq80321-related updates.
20060209 Minor hacks (DEVINIT macro, etc).
Preparing for the generalization of the 64-bit dyntrans address
translation subsystem.
20060216 Adding ARM ldrd (double-register load).
20060217 Continuing on various ARM-related stuff.
20060218 More progress on the ATA/wdc emulation for NetBSD/iq80321.
NetBSD/evbarm can now be installed :-) Updating the docs, etc.
Continuing on Algor emulation.
============== RELEASE 0.3.8 ==============