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Add VIRT_IN_DMAP to check if a virtual address is from the DMAP range.

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Obtained from:	ABT Systems Ltd
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Andrew Turner 2015-07-31 13:32:25 +00:00
parent d8000daa92
commit 71d72ea14f
1 changed files with 4 additions and 1 deletions
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5
sys/arm64/include/vmparam.h
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@ -165,6 +165,9 @@
/* True if pa is in the dmap range */
#define PHYS_IN_DMAP(pa) ((pa) <= DMAP_MAX_PHYSADDR)
/* True if va is in the dmap range */
#define VIRT_IN_DMAP(va) ((va) >= DMAP_MIN_ADDRESS && \
(va) <= DMAP_MAX_ADDRESS)
#define PHYS_TO_DMAP(pa) \
({ \
@ -176,7 +179,7 @@
#define DMAP_TO_PHYS(va) \
({ \
KASSERT(((va) <= DMAP_MAX_ADDRESS || (va) >= DMAP_MIN_ADDRESS), \
KASSERT(VIRT_IN_DMAP(va), \
("%s: VA out of range, VA: 0x%lx", __func__, \
(vm_offset_t)(va))); \
(va) & ~DMAP_MIN_ADDRESS; \