Author: andrew
Date: Thu Feb 4 17:22:15 2016
New Revision: 295270
URL: https://svnweb.freebsd.org/changeset/base/295270
Log:
Enable checking of the stack alignment. The stack should be aligned to a
16-byte value. With this the hardware will check if a memory access uses
an incorrectly aligned stack pointer as the base address.
Sponsored by: ABT Systems Ltd
Modified:
head/sys/arm64/arm64/locore.S
Modified: head/sys/arm64/arm64/locore.S
==============================================================================
--- head/sys/arm64/arm64/locore.S Thu Feb 4 17:09:43 2016
(r295269)
+++ head/sys/arm64/arm64/locore.S Thu Feb 4 17:22:15 2016
(r295270)
@@ -628,11 +628,11 @@ tcr_early:
sctlr_set:
/* Bits to set */
.quad (SCTLR_UCI | SCTLR_nTWE | SCTLR_nTWI | SCTLR_UCT | SCTLR_DZE | \
- SCTLR_I | SCTLR_SED | SCTLR_C | SCTLR_M)
+ SCTLR_I | SCTLR_SED | SCTLR_SA0 | SCTLR_SA | SCTLR_C | SCTLR_M)
sctlr_clear:
/* Bits to clear */
.quad (SCTLR_EE | SCTLR_EOE | SCTLR_WXN | SCTLR_UMA | SCTLR_ITD | \
- SCTLR_THEE | SCTLR_CP15BEN | SCTLR_SA0 | SCTLR_SA | SCTLR_A)
+ SCTLR_THEE | SCTLR_CP15BEN | SCTLR_A)
.globl abort
abort:
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