diff options
| author |   patrick <patrick@openbsd.org> | 2017-02-03 09:47:26 +0000 |
|---|---|---|
| committer | patrick <patrick@openbsd.org> | 2017-02-03 09:47:26 +0000 |
| commit | f098301c61116d932546e9d32c879e5ff0f9001b (patch) | |
| tree | a25c264f885caa6932c78e82b8ae85629ce79ca0 | |
| parent | Don't use PTE_RPGN to mask away the lower page bits from a virtual (diff) | |
| download | wireguard-openbsd-f098301c61116d932546e9d32c879e5ff0f9001b.tar.xz wireguard-openbsd-f098301c61116d932546e9d32c879e5ff0f9001b.zip | |
ARM64 has an 48-bit physical address space, so bump PTE_RPGN to reflect
it. Otherwise we might truncate physical addresses.
| -rw-r--r-- | sys/arch/arm64/include/pte.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/arch/arm64/include/pte.h b/sys/arch/arm64/include/pte.h index 05b3d067a7d..78bb2588eb2 100644 --- a/sys/arch/arm64/include/pte.h +++ b/sys/arch/arm64/include/pte.h @@ -1,4 +1,4 @@ -/* $OpenBSD: pte.h,v 1.1 2016/12/17 23:38:33 patrick Exp $ */ +/* $OpenBSD: pte.h,v 1.2 2017/02/03 09:47:26 patrick Exp $ */ /* * Copyright (c) 2014 Dale Rahn <drahn@dalerahn.com> * @@ -97,7 +97,7 @@ #define Ln_TABLE_MASK ((1 << 12) - 1) /* physical page mask */ -#define PTE_RPGN 0x3ffffff000ULL +#define PTE_RPGN (((1ULL << 48) - 1) & ~PAGE_MASK) /* XXX */ #ifndef _LOCORE |