Current Release
New users can download the current version of ML-RSIM from
this web page.
It includes all patches listed below.
Make a note of the release date listed
in the README file to correctly apply later patches.
ML-RSIM Patches in Reverse Chronological Order
Apply patches as follows:
- download desired patch file
-
enter the directory of your ml-rsim distribution
e.g. if ML-RSIM is installed in /home/user10/john/software/ml-rsim, type
cd /home/user10/john/software/ml-rsim - type patch < <patchfile>
- it is recommended to apply all patches in chronological order
| Date | Type | Description | Affected Files | Patch File |
|---|---|---|---|---|
| 05/25/2005 | Bug Fixes | Fixed histogram overflow in statistics records. Corrected dup2 system call. |
src/sim_main/stat.c lamix/fs/kern_descrip.c |
ml-rsim-patch-050525 |
| 03/03/2005 | New feature & Bug Fixes | Increased maximum size of cache miss status holding register (MSHR). Corrected bus coherency deadlock. Corrected memory ordering issue for multi-ported caches. Corrected implementation of LRU replacement for set-associative caches. |
src/Bus/bus.c src/Caches/cache_param.h src/Caches/cache_debug.c src/Caches/cache_init.c src/Caches/l1i_cache.c src/Caches/l1d_cache.c src/Caches/l2cache.c src/Caches/pipeline.h src/Caches/pipeline.c src/IO/io_generic.c src/Memory/mmc_bus.c |
ml-rsim-patch-050303 |
| 01/14/2005 | New feature | Added processor watchdog to detect potentially stalled processors. Put simulation to sleep and print message to inform user. | src/Processor/mainsim.cc | ml-rsim-patch-050114 |
| 01/13/2005 | Bug Fix | Eliminate potential deadlock related to snooping of bus transactions in the I/O device bus interface. | src/IO/io_generic.c | ml-rsim-patch-050113 |
| 04/29/2004 | New feature |
New simulator traps: 1) write simulation time (cycles) to log file 2) invoke debugger from simulated code See reference manual for more details. |
src/Processor/mainsim.cc src/Processor/mainsim.h src/Processor/traps.cc src/sim_main/Makefile lamix/interrupts/traps.h |
ml-rsim-patch-040429 Also copy invoke_debugger.c and invoke_debugger.h to src/sim_main |
| 04/28/2004 | Bug fix | Additional address validity check in all memory instructions if executing without virual memory. |
src/Processor/funcs.cc src/Processor/active.h |
ml-rsim-patch-040428 |
| 03/02/2004 | Bug fix | Corrects problem with unitialized variable in hostfs_mkdir routine. | lamix/usf/hostfs/hostfs_vnops.c | ml-rsim-patch-040302 |
| 12/11/2003 | New feature | New command line flags -r <icount> and -s <icount> control beginning and end of statistics collection. Both flags operate on graduated instruction counts and let users skip initial program phases and abort the simulation at a specific point. See Reference Manual for more details. | src/Processor/mainsim.cc | ml-rsim-patch-031211 |
| 12/10/2003 | Bug fix |
Corrects object alignment problem with newer Sun compiler in exec.cc Adds effective UID/GID to system calls in sysinfo.c |
src/Processor/exec.cc lamix/syscall/sysinfo.c |
ml-rsim-patch-031210 |
| 10/10/2003 | Bug fix | Corrects emulation of SRA instruction and adds timeout/retry mechanism for directory operations in virtual filedescriptor management to better handle host NFS/AFS server outages. |
src/Processor/funcs.cc src/Processor/filedescriptor.cc |
ml-rsim-patch-031010 |
| 07/02/2003 | New feature | New debugging mechanism dumps most internal state (queues, buffers, etc.) to log file when simulator receives SEGFAULT/BUSERR, or when user sends SIGUSR1. |
src/Bus/bus_debug.c src/Caches/cache.h src/Caches/cache_debug.c src/Caches/lqueue.h src/Caches/pipeline.h src/Caches/system.c src/Caches/ubuf.h src/Caches/ubuf.c src/IO/ahc.h src/IO/ahc.c src/IO/io_generic.h src/IO/io_generic.c src/IO/pci.h src/IO/pci.c src/IO/realtime_clock.h src/IO/realtime_clock.c src/IO/scsi_bus.h src/IO/scsi_bus.c src/IO/scsi_controller.h src/IO/scsi_controller.c src/IO/scsi_disk.c src/Memory/mmc_debug.c src/Processor/mem_debug.cc src/Processor/signalhandler.cc src/sim_main/evlst.h src/sim_main/evlst.c |
ml-rsim-patch-030523 |
| 05/23/2003 | Maintenance |
Corrects minor timing problem in disk model occurring when modeling fast
disks. Corrects several potential memory access problems and leaks. |
src/IO/disk_mech.c src/IO/disk_storage.c src/IO/scsi_disk.c src/Caches/cache_help.c src/Memory/mmc_init.c src/Processor/filedesc.cc src/Processor/tagcvt.h src/Processor/tagcvt.hh src/Processor/tlb.cc src/Processor/traps.cc lamix/kernel/fork.c |
ml-rsim-patch-030523 |
| 05/22/2003 | Bug fix, maintenance & new features |
Improved system bus statistics reports cycle count and
bus utilization by transaction class. Simulator reports which Lamix kernel is used for simulation. Fixes PCI configuration reporting bug on Linux. Brings list of PCI vendors and products up to date. |
src/Bus/bus.c src/Bus/bus.h src/IO/pci.c src/Processor/startup.cc lamix/Makefile lamix/dev/pci/pci_subr.c lamix/dev/pci/pcidevs.h lamix/dev/pci/pcireg.h |
ml-rsim-patch-030522 Also copy devlist2h.awk, pcidevs and pcidevs_data.h to lamix/dev/pci |
| 05/21/2003 | New feature |
Introduces Halt feature to stop processor when idle.
Used by Lamix scheduler in place of idle loop, greatly improves
simulation speed when doing disk I/O. Reworked processor utilization statistics to account for halted times. |
src/Caches/l1d_cache.c src/Caches/syscontrol.c src/Processor/active.cc src/Processor/except.cc src/Processor/exec.hh src/Processor/mainsim.cc src/Processor/memprocess.cc src/Processor/memunit.h src/Processor/procstate.cc src/Processor/procstate.h src/Processor/signalhandler.cc lamix/interrupts/traphandlers.c lamix/kernel/kernel.c lamix/kernel/kernel.h lamix/kernel/misc.S lamix/kernel/schedule.c lamix/kernel/syscontrol.h lamix/mm/init.S lamix/syscall/kprint.c lamix/syscall/simtraps_asm.S |
ml-rsim-patch-030521 |
| 04/16/2003 | Bug fix |
Correct bug in persistent disk storage on Linux. Stall instruction fetch while flushing pipeline on exception. Fix incorrect implementation of heap data structure. May affect timing of simulated applications ! |
src/IO/disk_storage.c src/Processor/exec.hh src/Processor/heap.h |
ml-rsim-patch-030416 |
| 04/15/2003 | New feature & optimization |
Increases socket buffer size to reduce risk of fragmentation. Optimization and cleanup of Yacsim event-driven simulation library. |
lamix/machine/param.h src/Processor/mainsim.cc src/sim_main/evlst.h src/sim_main/evlst.c |
ml-rsim-patch-030415 |
| 03/19/2003 | New feature & bug fix |
Detailed system bus statistics with transaction counts broken down
by type and source module. Also fixed minor SGI compilation problem in traps.cc |
src/Bus/bus.c src/Bus/bus.h src/Caches/l1d_cache.c src/Caches/l1i_cache.c src/Caches/l2cache.c src/Processor/traps.cc |
ml-rsim-patch-030319 |
| 03/07/2003 | Bug fix | Missing preprocessor macro for C++ compilation in kernel header file. Affects only compilation of C++ programs and only if lamix/ is in the header file search path. |
lamix/sys/signal.h |
ml-rsim-patch-030307 |
| 02/24/2003 | New feature |
Optional configuration of initial date and time for realtime clock: rtc_start_time <hour:min:sec> rtc_start_date <mon/day/year> May also use keyword current to initialize realtime clock to current time. Defaults to original fixed start value if no configuration is specified. |
src/IO/realtime_clock.c |
ml-rsim-patch-030224 |
| 01/22/2003 | Bug fix | Branch misprediction recovery caused segmentation fault for branch instructions in another branch's delay slot. |
src/Processor/branchpred.cc src/Processor/tagcvt.h src/Processor/tagcvt.hh |
ml-rsim-patch-030122 |
| 01/21/2003 | New feature | Optional tagged TLB, avoids flushing of TLB entries during context switches. Added new configuration parameters itlbtag and dtlbtag with default value 0 (off) for backwards compatibility. |
bin/rsim_params src/Processor/config.cc src/Processor/except.cc src/Processor/exec.cc src/Processor/memunit.hh src/Processor/procstate.cc src/Processor/tlb.cc src/Processor/tlb.h |
ml-rsim-patch-030121 |
| 12/04/2002 | Bug fix | Loading executables from simulated disks failed due to incorrect page attributes. TLB performed address translation even for access violations, reporting incorrect virtual addresses to exception handlers. |
lamix/kernel/exec_elf32.c lamix/syscalls/simtraps.c lamix/mm/vm.h src/Processor/tlb.cc |
ml-rsim-patch-021204 |
| 11/25/2002 | New feature | Alternative ideal memory controller model allows overlapped requests with fixed latency, in addition to the sequential queued fixed-latency request. mmc_sim parameter changed to accept three settings: fixed, pipelined and detailed |
src/Memory/mmc_debug.c src/Memory/mmc_init.c src/Memory/mmc_main.c src/Memory/mmc_param.h src/Memory/mmc_stat.c |
ml-rsim-patch-021125 |
| 11/14/2002 | Bug fix |
Getdents64Handler() skipped file names in very long directories
(affects HostFS operation); -D command line option did not handle absolute paths |
src/Processor/traps.cc src/Processor/mainsim.cc |
ml-rsim-patch-021114 |
|
For questions or comments |
Last updated: 05/25/2005 |