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User pointer validity checks.

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Added routines that check whether a user pointer is accessible by the kernel,
and if not ask the pager to map-in those pages. I haven't implemented yet the
bit that asks the pager for paging-in.
This commit is contained in:
Bahadir Balban
2008-02-05 15:41:14 +00:00
parent 3a07ae70fd
commit a82cdd3456
8 changed files with 155 additions and 72 deletions
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2
src/generic/SConscript
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@@ -4,7 +4,7 @@
Import('env')
# The set of source files associated with this SConscript file.
src_local = ['physmem.c', 'irq.c', 'scheduler.c', 'time.c', 'tcb.c', 'pgalloc.c', 'kmalloc.c']
src_local = ['physmem.c', 'irq.c', 'scheduler.c', 'time.c', 'tcb.c', 'pgalloc.c', 'kmalloc.c', 'space.c']
obj = env.Object(src_local)
Return('obj')