Pawel Jakub Dawidek wrote:
pjd 2006-07-25 19:06:54 UTC
FreeBSD src repository
Modified files:
sys/crypto/via padlock.h
Log:
Modify PADLOCK_ALIGN() macro, so when the given address is already 16 bytes
aligned, it will be used directly, not 'address + 16'.
Revision Changes Path
1.3 +1 -1 src/sys/crypto/via/padlock.h
Index: src/sys/crypto/via/padlock.h
diff -u src/sys/crypto/via/padlock.h:1.2 src/sys/crypto/via/padlock.h:1.3
--- src/sys/crypto/via/padlock.h:1.2 Tue Jul 25 19:04:26 2006
+++ src/sys/crypto/via/padlock.h Tue Jul 25 19:06:54 2006
@@ -72,7 +72,7 @@
TAILQ_ENTRY(padlock_session) ses_next;
};
-#define PADLOCK_ALIGN(p) (void *)((char *)(p) - ((uintptr_t)(p) % 16) + 16)
+#define PADLOCK_ALIGN(p) (void *)((uintptr_t)(p) - (((uintptr_t)(p) - 1)
% 16) + 15)
int padlock_cipher_setup(struct padlock_session *ses,
struct cryptoini *encini);
I think you want roundup2() since 16 is a power of 2, see sys/param.h
--
Nate
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