Re: CVS commit: [netbsd-5] src/sys/arch/sparc/sparc

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Wed, Feb 16, 2011 at 09:33:25PM +0000, Manuel Bouyer wrote:
> Module Name:  src
> Committed By: bouyer
> Date:         Wed Feb 16 21:33:25 UTC 2011
> 
> Modified Files:
>       src/sys/arch/sparc/sparc [netbsd-5]: cpu.c cpuvar.h pmap.c
>           timer_sun4m.c
> 
> Log Message:
> Apply patch, requested my mrg in ticket 1553:
>       sys/arch/sparc/sparc/cpu.c:     patch
>       sys/arch/sparc/sparc/cpuvar.h:  patch
>       sys/arch/sparc/sparc/pmap.c:    patch
>       sys/arch/sparc/sparc/timer_sun4m.c:     patch
> - print the curpcb in ddb "mach cpu" output as well.
> - bump the size of cpus[] by one, so we have a NULL pointer at the end,
>   from tsutsui
> - for MP kernels, copy the loop to find the bootcpu in mainbus_attach()
>   into getcacheinfo_obp() so we can get cache properties on the bootcpu
>   before calling main()
> - in getcpuinfo(), move the call of getmid() before the call to
>   getcacheinfo() so that the above change to getcacheinfo_obp() can work
> - move the struct cpu_info setup to the end of the initial kernel page
>   setup and don't access this space until after we have switched to the
>   kernel pagetables
> - revive most of the old CPUINFO_VA alignment/congruency code from the
>   old alloc_cpuinfo_global_va() function, and ensure that all cpuinfo
>   structures are sanely aligned.  this makes hypersparc work again
> - introduce a new way to free the wasted pages back to UVM, as we can't
>   simply uvm_unmap() them this early in bootstrap
> - make sure to initialise the cpuinfo sz in all cases.  noted by martin.
> - add per-cpu event counters for lev10 and lev14 interrupts.
> - make CPU_INFO_FOREACH() set the iterator count to '0' in the !MP case.
> - add some disabled MP code to poke other cpus on level 14 interrupts.
> - add a diagnostic to ensure that cpus[0] == cpu0's cpu_info->ci_self
> - if a cpu doesn't have any mappings allocated, don't copy them.  this
>   occurs if a cpu isn't attached (such as a MP kernel with only "cpu0"
>   listed in the config file..)
> - fix the previous to compile !MULTIPROCESSOR.

I forgot:
from tsutsui:
- Make sure to initialize cpus[0] which will also be used as cpuinfo
for sun4 and sun4c, not only for sun4m. Okay'ed by mrg@.


I fixed the CHANGES-5.2 entry

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--