Re: [ES40-developers] Interesting messages from Tru64
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Re: [ES40-developers] Interesting messages from Tru64
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From: Brian W. <bdw...@in...> - 2008-02-27 14:06:13
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Thanks for the info. I'll play around with it and see what I can come
up with.
Can you apply this patch. It tunes the interrupt re-send code so it
doesn't trigger so often.
Brian
Index: NewIde.cpp
===================================================================
RCS file: /cvsroot/es40/es40/src/NewIde.cpp,v
retrieving revision 1.16
diff -u -r1.16 NewIde.cpp
--- NewIde.cpp 27 Feb 2008 12:34:19 -0000 1.16
+++ NewIde.cpp 27 Feb 2008 14:04:51 -0000
@@ -1881,7 +1881,7 @@
if(CONTROLLER(index).interrupt_fired != 0)
{
- if((SEL_COMMAND(index).command_cycle - CONTROLLER(index).interrupt_fired) > 10)
+ if((SEL_COMMAND(index).command_cycle - CONTROLLER(index).interrupt_fired) > 200)
{
CONTROLLER(index).interrupt_pending=1;
theAli->pic_deassert(1,6+index);
On Wed, 2008-02-27 at 14:35 +0100, Camiel Vanderhoeven wrote:
> Hi Brian,
>
> The ES40 has a management processor that takes care of monitoring
> power suppies, fans, and other hardware bits and pieces. It is
> extremely difficult to find any information about this. I managed to
> find some info in the ES40 service manual, and basically played a lot
> with things to get them to show up properly in SRM.
>
> The management processor communicates with SRM - and I presume with
> the OS - through a thing called Dual-Port-RAM. One port is connected
> to the system bus, another to the management-processor. A lot of the
> bytes are places where the OS can read device information, but in some
> locations, the OS can deposit commands for the management-processor.
> The following copmmands were found out through trial-and-error and
> partial reverse engineering of SRM:
>
> Address locations for commands:
> // 0xf9: buffer size
> // 0xfb:fa qualifier / address
> // 0xfc: completion code (0 = ok, 80 = error, 81 = invalid code, 82
> = invalid qualifier)
> // 0xfd: rmc command id for response
> // 0xfe: command code
> // 0xff: rmc command id for command
>
> Command codes:
> // 01: update EEPROM
> // 02: update baud rate
> // 03: write to OCP
> // F0: update RMC flash
>
> It could very well be that there are more commands I don't know about,
> and a failure to respond to these in a satisfactory manner may well be
> the cause of the power supply failures and temperature warnings.
>
> You can find most of what I managed to find out in DPR.cpp. Mind you,
> this is some of the oldest and least-touched code in the emulator. It
> has not changed (other than some of the standard changes that have
> been made to the entire emulator) for well over a year, and a lot of
> my comments are still in Dutch. (I'm sorry about that...) It might be
> a good idea to put some read/write tracers in DPR.cpp, and try to
> figure out what Tru64 is doing with these.
>
> Camiel.
>
>
>
>
>
> On Wed, Feb 27, 2008 at 2:19 PM, Brian Wheeler <bdw...@in...> wrote:
> > I did a full install from dqb0 to dqa0 and while there were some
> > timeouts (this build was before I started on the interrupt resend code)
> > it installed and configured correctly (I left it run unattended
> > overnight).
> >
> > However, once it came up, it started announcing hardware failures :)
> >
> > -----------------
> > Broadcast Message from ro...@tr... (???) at 23:37 ...
> >
> > The redundant power supply has failed.
> >
> > Broadcast Message from ro...@tr... (???) at 23:37 ...
> >
> > The system temperature is high. Possible reasons are
> > a clogged air filter or a high ambient room temperature.
> > The system will shut down in 14 minutes and 0 seconds..
> > ------------------
> >
> > So...is there any documentation for the hardware monitoring stuff?
> >
> > Brian
> >
> >
> >
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