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[src/trunk]: src/sys/arch/arm/include/arm32 Add a l1pte_supersection_p macro.
details: https://anonhg.NetBSD.org/src/rev/36672ecceaf8
branches: trunk
changeset: 781275:36672ecceaf8
user: matt <matt%NetBSD.org@localhost>
date: Thu Aug 30 02:10:15 2012 +0000
description:
Add a l1pte_supersection_p macro.
diffstat:
sys/arch/arm/include/arm32/pmap.h | 33 +++++++++++++++++++--------------
1 files changed, 19 insertions(+), 14 deletions(-)
diffs (59 lines):
diff -r 7b63e9abbdc8 -r 36672ecceaf8 sys/arch/arm/include/arm32/pmap.h
--- a/sys/arch/arm/include/arm32/pmap.h Thu Aug 30 02:05:56 2012 +0000
+++ b/sys/arch/arm/include/arm32/pmap.h Thu Aug 30 02:10:15 2012 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: pmap.h,v 1.103 2012/08/20 13:03:41 matt Exp $ */
+/* $NetBSD: pmap.h,v 1.104 2012/08/30 02:10:15 matt Exp $ */
/*
* Copyright (c) 2002, 2003 Wasabi Systems, Inc.
@@ -403,8 +403,12 @@
* this at compile time.
*/
#if (ARM_MMU_SA1 + ARM_MMU_V6 + ARM_MMU_V7 != 0) && (ARM_NMMUS == 1)
+#define PMAP_INCLUDE_PTE_SYNC
+#if (ARM_MMU_V7 > 0)
#define PMAP_NEEDS_PTE_SYNC 1
-#define PMAP_INCLUDE_PTE_SYNC
+#else
+#define PMAP_NEEDS_PTE_SYNC 1
+#endif
#elif (ARM_MMU_SA1 == 0)
#define PMAP_NEEDS_PTE_SYNC 0
#endif
@@ -419,22 +423,23 @@
#define PMAP_INCLUDE_PTE_SYNC
#endif
-#define PTE_SYNC(pte) \
-do { \
- if (PMAP_NEEDS_PTE_SYNC) \
- cpu_dcache_wb_range((vaddr_t)(pte), sizeof(pt_entry_t));\
-} while (/*CONSTCOND*/0)
+static inline void
+pmap_ptesync(pt_entry_t *ptep, size_t cnt)
+{
+ if (PMAP_NEEDS_PTE_SYNC)
+ cpu_dcache_wb_range((vaddr_t)ptep, cnt * sizeof(pt_entry_t));
+#if ARM_MMU_V7 > 0
+ __asm("dsb");
+#endif
+}
-#define PTE_SYNC_RANGE(pte, cnt) \
-do { \
- if (PMAP_NEEDS_PTE_SYNC) { \
- cpu_dcache_wb_range((vaddr_t)(pte), \
- (cnt) << 2); /* * sizeof(pt_entry_t) */ \
- } \
-} while (/*CONSTCOND*/0)
+#define PTE_SYNC(ptep) pmap_ptesync((ptep), 1)
+#define PTE_SYNC_RANGE(ptep, cnt) pmap_ptesync((ptep), (cnt))
#define l1pte_valid(pde) ((pde) != 0)
#define l1pte_section_p(pde) (((pde) & L1_TYPE_MASK) == L1_TYPE_S)
+#define l1pte_supersection_p(pde) (l1pte_section_p(pde) \
+ && ((pde) & L1_S_V6_SUPER) != 0)
#define l1pte_page_p(pde) (((pde) & L1_TYPE_MASK) == L1_TYPE_C)
#define l1pte_fpage_p(pde) (((pde) & L1_TYPE_MASK) == L1_TYPE_F)
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