gem5.git
15 years agobranch merge
Korey Sewell [Tue, 5 May 2009 07:01:57 +0000 (03:01 -0400)]
branch merge

15 years agocpus: fix cpu progress event
Korey Sewell [Tue, 5 May 2009 06:51:31 +0000 (02:51 -0400)]
cpus: fix cpu progress event
this was double scheduling itself (once in constructor and once in cpu code). also add support for stopping / starting
progress events through repeatEvent flag and also changing the interval of the progress event as well

15 years agomerge code
Korey Sewell [Tue, 5 May 2009 06:44:21 +0000 (02:44 -0400)]
merge code

15 years agocpus: fix cpu progress event
Korey Sewell [Tue, 5 May 2009 06:39:05 +0000 (02:39 -0400)]
cpus: fix cpu progress event
this was double scheduling itself (once in constructor and once in cpu code). also add support for stopping / starting
progress events through repeatEvent flag and also changing the interval of the progress event as well

15 years agoscons: re-work the *Source functions to take more information.
Nathan Binkert [Mon, 4 May 2009 23:58:24 +0000 (16:58 -0700)]
scons: re-work the *Source functions to take more information.
Start by turning all of the *Source functions into classes
so we can do more calculations and more easily collect the data we need.
Add parameters to the new classes for indicating what sorts of flags the
objects should be compiled with so we can allow certain files to be compiled
without Werror for example.

15 years agoX86: Precompute the default and alternate address and operand size and the stack...
Gabe Black [Sun, 26 Apr 2009 23:49:24 +0000 (16:49 -0700)]
X86: Precompute the default and alternate address and operand size and the stack size.

15 years agoX86: Split out the internal memory space from the regular translate() and precompute...
Gabe Black [Sun, 26 Apr 2009 23:48:44 +0000 (16:48 -0700)]
X86: Split out the internal memory space from the regular translate() and precompute mode.

15 years agoX86: Centralize updates to the handy M5 reg.
Gabe Black [Sun, 26 Apr 2009 23:47:48 +0000 (16:47 -0700)]
X86: Centralize updates to the handy M5 reg.

15 years agoX86: Implement lowest priority interrupts more correctly.
Gabe Black [Sun, 26 Apr 2009 09:09:54 +0000 (02:09 -0700)]
X86: Implement lowest priority interrupts more correctly.
Lowest priority interrupts are now delivered based on a rotating offset into
the list of potential recipients. There could be parasitic cases were a
processor gets picked on and ends up at that rotating offset all the time, but
it's much more likely that the group will stay consistent and the pain will be
distributed evenly.

15 years agoX86: Tell the function that sends int messages who to send to instead of figuring...
Gabe Black [Sun, 26 Apr 2009 09:09:27 +0000 (02:09 -0700)]
X86: Tell the function that sends int messages who to send to instead of figuring it out itself.

15 years agoX86: Make the local APICs register themselves with the IO APIC.
Gabe Black [Sun, 26 Apr 2009 09:09:13 +0000 (02:09 -0700)]
X86: Make the local APICs register themselves with the IO APIC.
This is a hack so that the IO APIC can figure out information about the local
APICs. The local APICs still have no way to find out about each other.
Ideally, when the local APICs update state that's relevant to somebody else,
they'd send an update to everyone. Without being able to do a broadcast, that
would still require knowing who else there is to notify. Other broadcasts are
implemented using assumptions that may not always be true.

15 years agoX86: Record the initial APIC ID which identifies an APIC in M5.
Gabe Black [Sun, 26 Apr 2009 09:06:21 +0000 (02:06 -0700)]
X86: Record the initial APIC ID which identifies an APIC in M5.
The ID as exposed to software can be changed. Tracking those changes in M5
would be cumbersome, especially since there's no guarantee the IDs will remain
unique.

15 years agoX86, Config: Make makeX86System consider the number of CPUs, and clean up interrupt...
Gabe Black [Sun, 26 Apr 2009 09:04:32 +0000 (02:04 -0700)]
X86, Config: Make makeX86System consider the number of CPUs, and clean up interrupt assignment.

15 years agoSPARC: Tighten up the clone system call and SPARCs copyRegs.
Gabe Black [Sat, 25 Apr 2009 06:11:21 +0000 (23:11 -0700)]
SPARC: Tighten up the clone system call and SPARCs copyRegs.

15 years agorequest: reorganize flags to group related flags together.
Steve Reinhardt [Thu, 23 Apr 2009 13:44:32 +0000 (06:44 -0700)]
request: reorganize flags to group related flags together.

15 years agoX86: Put the StoreCheck flag with the others, and don't collide with other flags.
Gabe Black [Thu, 23 Apr 2009 08:43:00 +0000 (01:43 -0700)]
X86: Put the StoreCheck flag with the others, and don't collide with other flags.

15 years agostats: expose statistics to python
Nathan Binkert [Wed, 22 Apr 2009 20:38:01 +0000 (13:38 -0700)]
stats: expose statistics to python

15 years agostats: Move flags into info.hh and use base/flags.hh to manage the flags
Nathan Binkert [Wed, 22 Apr 2009 20:38:01 +0000 (13:38 -0700)]
stats: Move flags into info.hh and use base/flags.hh to manage the flags

15 years agostats: Shuffle around info stuff so it can be accessed separately
Nathan Binkert [Wed, 22 Apr 2009 20:38:00 +0000 (13:38 -0700)]
stats: Shuffle around info stuff so it can be accessed separately

15 years agostats: Rename the info classes to hopefully make things a bit clearer
Nathan Binkert [Wed, 22 Apr 2009 20:38:00 +0000 (13:38 -0700)]
stats: Rename the info classes to hopefully make things a bit clearer
FooInfoBase became FooInfo
FooInfo became FooInfoProxy

15 years agostats: update reference outputs now that compatibility is gone
Nathan Binkert [Wed, 22 Apr 2009 17:25:17 +0000 (10:25 -0700)]
stats: update reference outputs now that compatibility is gone
Because of the initialization bug, it wasn't consistent anyway.

15 years agostats: remove simplescalar compatibility for printing
Nathan Binkert [Wed, 22 Apr 2009 17:25:14 +0000 (10:25 -0700)]
stats: remove simplescalar compatibility for printing

15 years agostats: fix initialization bug in distribution text output
Nathan Binkert [Wed, 22 Apr 2009 13:44:29 +0000 (06:44 -0700)]
stats: fix initialization bug in distribution text output

15 years agoi8254xGBe: major style overhaul.
Steve Reinhardt [Wed, 22 Apr 2009 05:58:53 +0000 (01:58 -0400)]
i8254xGBe: major style overhaul.
Moved DescCache template functions from .hh to .cc file.
Also fixed lots of line-wrapping problems, and some irregular indentation.

15 years agoUpdate stats for new single bad-address responder.
Steve Reinhardt [Wed, 22 Apr 2009 05:55:52 +0000 (01:55 -0400)]
Update stats for new single bad-address responder.
Mostly just config.ini updates, though the different response
latency for bad addresses caused very minor timing changes
in the O3 Linux boot tests.

16 years agomem: use single BadAddr responder per system.
Steve Reinhardt [Wed, 16 Jul 2008 18:10:33 +0000 (11:10 -0700)]
mem: use single BadAddr responder per system.
Previously there was one per bus, which caused some coherence problems
when more than one decided to respond.  Now there is just one on
the main memory bus.  The default bus responder on all other buses
is now the downstream cache's cpu_side port.  Caches no longer need
to do address range filtering; instead, we just have a simple flag
to prevent snoops from propagating to the I/O bus.

15 years agoscons: Rename the basic environment from env -> main.
Nathan Binkert [Wed, 22 Apr 2009 00:17:16 +0000 (17:17 -0700)]
scons:  Rename the basic environment from env -> main.
env is used as a local variable all over the place and sometimes it is
easy to get confused as to whether the global env or local env is being
used.  This will become especially important when I change the way we
support our variants.

15 years agoscons: Fix two problems with the way that the library path is generated.
Nathan Binkert [Wed, 22 Apr 2009 00:17:15 +0000 (17:17 -0700)]
scons: Fix two problems with the way that the library path is generated.
1) -L is automatically added, so don't do it ourselves
2) prepend the paths for gzstream and libelf so they are certain to
come first. The problem is that python might add /usr/lib to the path
and the user might have a locally installed version of libelf installed.

15 years agoAutomated merge with ssh://m5sim.org//repo/m5
Nathan Binkert [Tue, 21 Apr 2009 23:04:55 +0000 (16:04 -0700)]
Automated merge with ssh://m5sim.org//repo/m5

15 years agopseudo: only include kernel stats if FULL_SYSTEM.
Nathan Binkert [Tue, 21 Apr 2009 22:40:26 +0000 (15:40 -0700)]
pseudo: only include kernel stats if FULL_SYSTEM.

15 years agoarm: include missing file for arm
Nathan Binkert [Tue, 21 Apr 2009 22:40:26 +0000 (15:40 -0700)]
arm: include missing file for arm

15 years agoarm: Unify the ARM tlb. We forgot about this when we did the rest.
Nathan Binkert [Tue, 21 Apr 2009 22:40:25 +0000 (15:40 -0700)]
arm: Unify the ARM tlb.  We forgot about this when we did the rest.
This code compiles, but there are no tests still

15 years agorundiff: flush stdout after each diff
Steve Reinhardt [Tue, 21 Apr 2009 18:34:26 +0000 (11:34 -0700)]
rundiff: flush stdout after each diff

15 years agoscons: make default target work again
Nathan Binkert [Tue, 21 Apr 2009 17:49:06 +0000 (10:49 -0700)]
scons: make default target work again

15 years agoSet up m5threads tests on classic (non-ruby) memory system.
Steve Reinhardt [Tue, 21 Apr 2009 15:37:50 +0000 (08:37 -0700)]
Set up m5threads tests on classic (non-ruby) memory system.
Just one test (40.m5threads-test-atomic) is set up for now.
These tests require that the m5threads SPARC binaries are present
in /dist or in test-progs.

15 years agosyscall_emul: style fixes (mostly wrapping overly long lines)
Steve Reinhardt [Tue, 21 Apr 2009 15:17:36 +0000 (08:17 -0700)]
syscall_emul: style fixes (mostly wrapping overly long lines)

15 years agosyscall: Resolve conflicts between m5threads and Gabe's recent SE changes.
Steve Reinhardt [Tue, 21 Apr 2009 15:17:36 +0000 (08:17 -0700)]
syscall: Resolve conflicts between m5threads and Gabe's recent SE changes.

15 years agoCommit m5threads package.
Daniel Sanchez [Tue, 21 Apr 2009 15:17:36 +0000 (08:17 -0700)]
Commit m5threads package.

This patch adds limited multithreading support in syscall-emulation
mode, by using the clone system call.  The clone system call works
for Alpha, SPARC and x86, and multithreaded applications run
correctly in Alpha and SPARC.

15 years agoSCons: Export export_vars so SConsopts files can add to them
Nathan Binkert [Tue, 21 Apr 2009 15:17:36 +0000 (08:17 -0700)]
SCons: Export export_vars so SConsopts files can add to them

15 years agoMinor tweaks for future Ruby compatibility.
Steve Reinhardt [Tue, 21 Apr 2009 15:17:36 +0000 (08:17 -0700)]
Minor tweaks for future Ruby compatibility.

15 years agorequest: add PREFETCH flag.
Steve Reinhardt [Tue, 21 Apr 2009 15:17:10 +0000 (08:17 -0700)]
request: add PREFETCH flag.

15 years agorequest: rename INST_READ to INST_FETCH.
Steve Reinhardt [Tue, 21 Apr 2009 01:54:02 +0000 (18:54 -0700)]
request: rename INST_READ to INST_FETCH.

15 years agorequest: split public and private flags into separate fields.
Steve Reinhardt [Tue, 21 Apr 2009 01:40:00 +0000 (18:40 -0700)]
request: split public and private flags into separate fields.
This frees up needed space for more public flags.  Also:
- remove unused Request accessor methods
- make Packet use public Request accessors, so it need not be a friend

15 years agoMem: Fill out the comment that describes the LOCKED request flag.
Gabe Black [Mon, 20 Apr 2009 05:00:24 +0000 (22:00 -0700)]
Mem: Fill out the comment that describes the LOCKED request flag.

15 years agoMem: Change isLlsc to isLLSC.
Gabe Black [Mon, 20 Apr 2009 04:44:15 +0000 (21:44 -0700)]
Mem: Change isLlsc to isLLSC.

15 years agoX86: Fix the functions that manipulate large bit arrays in the local APIC.
Gabe Black [Sun, 19 Apr 2009 20:47:15 +0000 (13:47 -0700)]
X86: Fix the functions that manipulate large bit arrays in the local APIC.

15 years agoX86: Fix up a copyright.
Gabe Black [Sun, 19 Apr 2009 20:17:35 +0000 (13:17 -0700)]
X86: Fix up a copyright.

15 years agoX86: Fix how the TLB handles the storecheck flag.
Gabe Black [Sun, 19 Apr 2009 11:57:51 +0000 (04:57 -0700)]
X86: Fix how the TLB handles the storecheck flag.

15 years agoX86: Recognize and handle the lock legacy prefix.
Gabe Black [Sun, 19 Apr 2009 11:57:28 +0000 (04:57 -0700)]
X86: Recognize and handle the lock legacy prefix.

15 years agoX86: Implement a locking version of XADD.
Gabe Black [Sun, 19 Apr 2009 11:56:49 +0000 (04:56 -0700)]
X86: Implement a locking version of XADD.

15 years agoX86: Implement a locking version of BTC.
Gabe Black [Sun, 19 Apr 2009 11:56:45 +0000 (04:56 -0700)]
X86: Implement a locking version of BTC.

15 years agoX86: Implement a locking version of BTR.
Gabe Black [Sun, 19 Apr 2009 11:56:43 +0000 (04:56 -0700)]
X86: Implement a locking version of BTR.

15 years agoX86: Implement a locking version of CMPXCHG.
Gabe Black [Sun, 19 Apr 2009 11:56:40 +0000 (04:56 -0700)]
X86: Implement a locking version of CMPXCHG.

15 years agoX86: Implement a locking version of BTS.
Gabe Black [Sun, 19 Apr 2009 11:56:36 +0000 (04:56 -0700)]
X86: Implement a locking version of BTS.

15 years agoX86: Implement a locking version of DEC.
Gabe Black [Sun, 19 Apr 2009 11:56:34 +0000 (04:56 -0700)]
X86: Implement a locking version of DEC.

15 years agoX86: Implement a locking version of INC.
Gabe Black [Sun, 19 Apr 2009 11:56:31 +0000 (04:56 -0700)]
X86: Implement a locking version of INC.

15 years agoX86: Implement a locking version of NEG.
Gabe Black [Sun, 19 Apr 2009 11:56:28 +0000 (04:56 -0700)]
X86: Implement a locking version of NEG.

15 years agoX86: Implement a locking version of NOT.
Gabe Black [Sun, 19 Apr 2009 11:56:25 +0000 (04:56 -0700)]
X86: Implement a locking version of NOT.

15 years agoX86: Implement a locking version of XCHG.
Gabe Black [Sun, 19 Apr 2009 11:56:22 +0000 (04:56 -0700)]
X86: Implement a locking version of XCHG.

15 years agoX86: Implement a locking version of XOR.
Gabe Black [Sun, 19 Apr 2009 11:56:20 +0000 (04:56 -0700)]
X86: Implement a locking version of XOR.

15 years agoX86: Implement a locking version of SUB.
Gabe Black [Sun, 19 Apr 2009 11:56:16 +0000 (04:56 -0700)]
X86: Implement a locking version of SUB.

15 years agoX86: Implement a locking version of AND.
Gabe Black [Sun, 19 Apr 2009 11:56:14 +0000 (04:56 -0700)]
X86: Implement a locking version of AND.

15 years agoX86: Implement a locking version of SBB.
Gabe Black [Sun, 19 Apr 2009 11:56:11 +0000 (04:56 -0700)]
X86: Implement a locking version of SBB.

15 years agoX86: Implement a locking version of ADC.
Gabe Black [Sun, 19 Apr 2009 11:56:08 +0000 (04:56 -0700)]
X86: Implement a locking version of ADC.

15 years agoX86: Implement a locking version of OR.
Gabe Black [Sun, 19 Apr 2009 11:56:06 +0000 (04:56 -0700)]
X86: Implement a locking version of OR.

15 years agoX86: Implement a locking version of ADD.
Gabe Black [Sun, 19 Apr 2009 11:56:02 +0000 (04:56 -0700)]
X86: Implement a locking version of ADD.

15 years agoX86: Implement the stul microop.
Gabe Black [Sun, 19 Apr 2009 11:55:58 +0000 (04:55 -0700)]
X86: Implement the stul microop.
This microop does a store and unlocks the requested address. The RISC86
microop ISA doesn't seem to have an equivalent to this, so I'm guessing that
the store following an ldstl is automatically unlocking. We don't do it this
way for performance reasons since the behavior is the same.

15 years agoX86: Implement the ldstl microop.
Gabe Black [Sun, 19 Apr 2009 11:55:43 +0000 (04:55 -0700)]
X86: Implement the ldstl microop.
This microop does a load, checks that a store would succeed, and locks the
requested address.

15 years agoCPUs: Make the atomic CPU support locked memory accesses.
Gabe Black [Sun, 19 Apr 2009 11:50:07 +0000 (04:50 -0700)]
CPUs: Make the atomic CPU support locked memory accesses.

15 years agoMemory: Add a LOCKED flag back in for x86 style locking.
Gabe Black [Sun, 19 Apr 2009 11:39:25 +0000 (04:39 -0700)]
Memory: Add a LOCKED flag back in for x86 style locking.

15 years agoMemory: Rename LOCKED for load locked store conditional to LLSC.
Gabe Black [Sun, 19 Apr 2009 11:25:01 +0000 (04:25 -0700)]
Memory: Rename LOCKED for load locked store conditional to LLSC.

15 years agoSE mode: Make keeping track of the number of syscalls less hacky.
Gabe Black [Sun, 19 Apr 2009 11:15:32 +0000 (04:15 -0700)]
SE mode: Make keeping track of the number of syscalls less hacky.

15 years agoX86: Actually put the PCI INTA entry into the MP tables.
Gabe Black [Sun, 19 Apr 2009 11:15:18 +0000 (04:15 -0700)]
X86: Actually put the PCI INTA entry into the MP tables.

15 years agoX86: Mask the PIC at startup to avoid a glitch which causes an NMI.
Gabe Black [Sun, 19 Apr 2009 11:15:06 +0000 (04:15 -0700)]
X86: Mask the PIC at startup to avoid a glitch which causes an NMI.

15 years agoX86: Make E820 report nice, round (and correct) numbers.
Gabe Black [Sun, 19 Apr 2009 11:14:48 +0000 (04:14 -0700)]
X86: Make E820 report nice, round (and correct) numbers.

15 years agoX86: Actually handle 16 bit mode modrm.
Gabe Black [Sun, 19 Apr 2009 11:14:31 +0000 (04:14 -0700)]
X86: Actually handle 16 bit mode modrm.

15 years agoX86: Make the TEST instruction set all the flags it's supposed to.
Gabe Black [Sun, 19 Apr 2009 11:14:16 +0000 (04:14 -0700)]
X86: Make the TEST instruction set all the flags it's supposed to.

15 years agoX86: Implement broadcast IPIs.
Gabe Black [Sun, 19 Apr 2009 11:14:01 +0000 (04:14 -0700)]
X86: Implement broadcast IPIs.

15 years agoX86: Fix the ordering of the vendor string reported by CPUID.
Gabe Black [Sun, 19 Apr 2009 11:13:45 +0000 (04:13 -0700)]
X86: Fix the ordering of the vendor string reported by CPUID.

15 years agoX86: Keep track of what the initial count value was in the LAPIC timer.
Gabe Black [Sun, 19 Apr 2009 10:56:57 +0000 (03:56 -0700)]
X86: Keep track of what the initial count value was in the LAPIC timer.

15 years agoX86: Only recognize the first startup IPI after INIT or reset.
Gabe Black [Sun, 19 Apr 2009 10:56:36 +0000 (03:56 -0700)]
X86: Only recognize the first startup IPI after INIT or reset.

15 years agoX86: Use recvResponse to implement the idle bit in the Local APIC ICR.
Gabe Black [Sun, 19 Apr 2009 10:56:24 +0000 (03:56 -0700)]
X86: Use recvResponse to implement the idle bit in the Local APIC ICR.

15 years agoX86: Add a function which gets called when an interrupt message has been delivered.
Gabe Black [Sun, 19 Apr 2009 10:54:11 +0000 (03:54 -0700)]
X86: Add a function which gets called when an interrupt message has been delivered.

15 years agoX86: Fix the flags for interrupt response messages.
Gabe Black [Sun, 19 Apr 2009 10:53:29 +0000 (03:53 -0700)]
X86: Fix the flags for interrupt response messages.

15 years agoX86: Explicitly use the right width in a few places that need a 64 bit value.
Gabe Black [Sun, 19 Apr 2009 10:47:59 +0000 (03:47 -0700)]
X86: Explicitly use the right width in a few places that need a 64 bit value.

15 years agoX86: Keep track of the pioAddr for the local APIC.
Gabe Black [Sun, 19 Apr 2009 10:47:12 +0000 (03:47 -0700)]
X86: Keep track of the pioAddr for the local APIC.

15 years agoX86: Implement far jmp.
Gabe Black [Sun, 19 Apr 2009 10:42:41 +0000 (03:42 -0700)]
X86: Implement far jmp.

15 years agoX86: Some segment selectors can be used when "NULL".
Gabe Black [Sun, 19 Apr 2009 10:41:10 +0000 (03:41 -0700)]
X86: Some segment selectors can be used when "NULL".

15 years agoX86: Fix a bug in the chks microop where it ignored that it found a fault.
Gabe Black [Sun, 19 Apr 2009 10:40:08 +0000 (03:40 -0700)]
X86: Fix a bug in the chks microop where it ignored that it found a fault.

15 years agoX86: Make the interrupt entering microcode record the value to use, not actually...
Gabe Black [Sun, 19 Apr 2009 10:36:57 +0000 (03:36 -0700)]
X86: Make the interrupt entering microcode record the value to use, not actually use it.

15 years agoX86: LEA calculates an address before segmentation.
Gabe Black [Sun, 19 Apr 2009 10:24:51 +0000 (03:24 -0700)]
X86: LEA calculates an address before segmentation.

15 years agoX86: Implement the save machine status word instruction (SMSW).
Gabe Black [Sun, 19 Apr 2009 10:22:38 +0000 (03:22 -0700)]
X86: Implement the save machine status word instruction (SMSW).

15 years agoX86: Implement the load machine status word instruction (LMSW).
Gabe Black [Sun, 19 Apr 2009 10:17:14 +0000 (03:17 -0700)]
X86: Implement the load machine status word instruction (LMSW).

15 years agoX86: Update the stats for the fix for CPUID.
Gabe Black [Sun, 19 Apr 2009 10:14:33 +0000 (03:14 -0700)]
X86: Update the stats for the fix for CPUID.

15 years agoX86: Only use %eax to select a function and look like we support sse2.
Gabe Black [Sun, 19 Apr 2009 10:11:24 +0000 (03:11 -0700)]
X86: Only use %eax to select a function and look like we support sse2.

15 years agoX86: Fix the mov to segment selector in real mode instruction microcode.
Gabe Black [Sun, 19 Apr 2009 10:08:40 +0000 (03:08 -0700)]
X86: Fix the mov to segment selector in real mode instruction microcode.

15 years agoX86: The startup IPI delivery mode is not reserved.
Gabe Black [Sun, 19 Apr 2009 10:01:46 +0000 (03:01 -0700)]
X86: The startup IPI delivery mode is not reserved.

15 years agoX86: Implement the STARTUP IPI.
Gabe Black [Sun, 19 Apr 2009 09:56:03 +0000 (02:56 -0700)]
X86: Implement the STARTUP IPI.

15 years agoX86: Implement the INIT IPI.
Gabe Black [Sun, 19 Apr 2009 09:53:00 +0000 (02:53 -0700)]
X86: Implement the INIT IPI.

15 years agoX86: Fix the halt microop.
Gabe Black [Sun, 19 Apr 2009 09:51:09 +0000 (02:51 -0700)]
X86: Fix the halt microop.