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You will find enclosed a patch which contains, for Intel PC386 target :
- an Ethernet driver for DEC21140 device based boards.
- a simple cache management with paging mechanism.
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Eric> NB : there is still a bug on PC386 serial line : exit does not
Eric> flush the remaining output queue. As this is not a bug in the
Eric> driver itself but somewhere in PC386 initialization/termios
Eric> relationship it will be part of another patch.
Eric> NB2 : As Emmanuel excerced the exception hanlder code, while
Eric> porting the SMC driver to the new BSD stack, we found a bug
Eric> in the exception handler : it shall not delete the current
Eric> thread in case we are running at interrupt level. This will
Eric> be part of another patch...
So here is the patch. This patch fixes the two problems mentionned above
+ it use vpath mechanism intead of copying the irq related files in
the right directory. This avoid to compile them each time and is
more homogenous with other Makefiles.
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Here is a patch that enables to catch exception
and get message before crashing RTEMS :)
It should be generic to any Intel port although enabled
only for pc386 BSP...
[Joel] I fixed the bug I introduced in irq_asm.s...
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- Use the "hlt" instruction for the Idle thread,
- Optimise interrupt PATH leadding to thread wakeup,
- Preparation for Intel exception management that should
come before the end of the week...
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Here is a enhanced version of my previous patch. This patch enables
to potentially share the new interrupt management code for all Intel targets
(pc386, go32 and force386) bsp.
Note : this patch is complete only for pc386. It still needs to
be completed for go32 and force386. I carrefully checked
that anything needed is in for force386 (only some function
name changes for IDT manipulation and GDT segment
manipulation). But anyway I will not be able to test any
of theses targets...
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of switching to the modified GNU GPL.
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single biggest changes were the expansion of the workspace size
macro to include other types of objects and the increase in the
minimum stack size for most CPUs.
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Configuration Table Template file added and all tests
modified to use this. All gvar.h and conftbl.h files
removed from test directories.
Configuration parameter maximum_devices added.
Core semaphore and mutex handlers added and RTEMS API Semaphore
Manager updated to reflect this.
Initialization sequence changed to invoke API specific initialization
routines. Initialization tasks table now owned by RTEMS Tasks Manager.
Added user extension for post-switch.
Utilized user extensions to implement API specific functionality
like signal dispatching.
Added extensions to the System Initialization Thread so that an
API can register a function to be invoked while the system
is being initialized. These are largely equivalent to the
pre-driver and post-driver hooks.
Added the Modules file oar-go32_p5, modified oar-go32, and modified
the file make/custom/go32.cfg to look at an environment varable which
determines what CPU model is being used.
All BSPs updated to reflect named devices and clock driver's IOCTL
used by the Shared Memory Driver. Also merged clock isr into
main file and removed ckisr.c where possible.
Updated spsize to reflect new and moved variables.
Makefiles for the executive source and include files updated to show
break down of files into Core, RTEMS API, and Neither.
Header and inline files installed into subdirectory based on whether
logically in the Core or a part of the RTEMS API.
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