Author: andrew
Date: Thu Jul 30 16:17:44 2015
New Revision: 286080
URL: https://svnweb.freebsd.org/changeset/base/286080
Log:
Add enough of pmap_page_set_memattr to run gstat. It still needs to split
the DMAP 1G pages so we set the attributes only on the specified page.
Obtained from: ABT Systems Ltd
Sponsored by: The FreeBSD Foundation
Modified:
head/sys/arm64/arm64/pmap.c
Modified: head/sys/arm64/arm64/pmap.c
==============================================================================
--- head/sys/arm64/arm64/pmap.c Thu Jul 30 16:06:13 2015 (r286079)
+++ head/sys/arm64/arm64/pmap.c Thu Jul 30 16:17:44 2015 (r286080)
@@ -2971,7 +2971,17 @@ void
pmap_page_set_memattr(vm_page_t m, vm_memattr_t ma)
{
- panic("ARM64TODO: pmap_page_set_memattr");
+ m->md.pv_memattr = ma;
+
+ /*
+ * ARM64TODO: Implement the below (from the amd64 pmap)
+ * If "m" is a normal page, update its direct mapping. This update
+ * can be relied upon to perform any cache operations that are
+ * required for data coherence.
+ */
+ if ((m->flags & PG_FICTITIOUS) == 0 &&
+ PHYS_IN_DMAP(VM_PAGE_TO_PHYS(m)))
+ panic("ARM64TODO: pmap_page_set_memattr");
}
/*
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