processing. Add a "common" procfs_machdep.c for PowerPC platforms.
Even though it is supposed to be port specific, most (if not all)
PowerPC ports can just use the common one.
topdown option) so that including it directly before including
uvm/uvm_param.h (or uvm/uvm_extern.h which includes uvm/uvm_param.h)
and attempting to use topdown won't result in a compiler error.
Problem noted in private email.
utrapframe that fixed in size (and the same size as the trapframe
in NetBSD 1.5). This preserves binary compatibility for those programs
that dealt looked at sigcontexts.
a pointer to current cpu's cpu_info structure. Use cpu_info for
intstk,intr_depth,still_stk,idle_pcb,curpcb,curlwp,etal even on
non-MULTIPROCESSOR machines. Add common macros GET_CPUINFO and
INIT_CPUINFO to get and initialize the cpu_info struct on startup. Make
ibm4xx use the standard <powerpc/frame.h>. Use IFRAME_xx in ibm4xx
trap_subr.S instead of explicit magic offsets. Move INTSTK and SPILLSTK
to std.<platform>. Change faultbuf to a struct instead of an array.
On MPC6XX cpus, stop using the vector page for temporary space and use
reserved space in cpu_info.
* install 601-specific DSI and RUNMODETRC trap handlers
* save/restore MQ in trapframe, add MQ hooks to DDB
* extend battable to 512 entries to hold the 601's 8M translations
* instead of adding I/O to BAT starvation, set up segment registers
for Memory-Forced I/O Controller Interface Access
* sync after tlbie
Simplify copyin/copyout/copyinstr/copyoutstr. Fix bug
where the user virtual address was not updated so that
if the user's buffer crossed a segment boundary, the
wrong data could be copied. Localize USER_SR to the
ILP32 version of setusr/unsetusr.
two ways:
- the child gets its pid as retval[0] (userland stub will turn it into a 0),
retval[1] is 1 and it is 0 in the parent.
- in the child, the fork syscall is successful, hence we must skip the next
instruction.
