port. cesfic is a VME board with one or two mc68040 processors. See
the README file for details.
The port is working well with a.out userland, there are some problems
with ELF still, like applications running out of memory where it is not
expected. Some parts, in particular the pmap (which was taken from hp300
four years ago), need updating, but this is easier done within the NetBSD
CVS tree.
manage interrupt masking.
This change is necessary for straightforward implementation of coming IPL
support for cascaded intrs, and it should not impair performance.
swap in and out the mappings for virtual pages zero through three,
which are what the PROM really uses. This is tied to the
move to ELF and the low memory usage changes.
now loads the kernel into physical memory at the linked address.
So we link the kernel a little lower virtually, but the bootloader
actually will load it higher in physical memory than before.
This allows us to quadruple the size of the msgbuf to 8K, and
we also shuffle around tmp_vpages and the temporary stack.
Added % to all register names. The boot loader now
loads us exactly where we're linked, so no PIC or
remapping funny business. Removed more 68881 code
that is only needed with the real silicon, which
a 68010 will never have.
timezone in the kernel. We now keep track of it for emulated processes.
Tested for powerpc and i386. Untested on m68k, but it should be ok
Alpha has a particular implementation (osf1_sys_gettimeofday), and it has
therefore not been touched.
DIAGNOSTIC/DEBUG from the kernel. This helped to boost the performance
on my test machine from ~5KB/s to like 800KB/s for ftp test, and
to like 700KB/s for netio test. I wouldn't have imagined the options
are THAT costly ....
I guess he indents to prepare a temporary variable for saving the next
pointer of a list element, but he seems to forget to substitute the
pointer for the variable. This often causes my dreamcast panic.
Previously, we passed __FILE__ and __LINE__ on all pool_get/pool_set calls.
This change results in a measured 1.2% performance improvement in
ping-flood packets-per-second as reported by ping(8).
ross