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[ARM] S3C24XX: Add extra GPIOs via Kconfig
[linux-2.6-microblaze.git]
/
drivers
/
crypto
/
padlock-sha.c
diff --git
a/drivers/crypto/padlock-sha.c
b/drivers/crypto/padlock-sha.c
index
40d5680
..
a7fbade
100644
(file)
--- a/
drivers/crypto/padlock-sha.c
+++ b/
drivers/crypto/padlock-sha.c
@@
-22,6
+22,7
@@
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/scatterlist.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/scatterlist.h>
+#include <asm/i387.h>
#include "padlock.h"
#define SHA1_DEFAULT_FALLBACK "sha1-generic"
#include "padlock.h"
#define SHA1_DEFAULT_FALLBACK "sha1-generic"
@@
-102,6
+103,7
@@
static void padlock_do_sha1(const char *in, char *out, int count)
* PadLock microcode needs it that big. */
char buf[128+16];
char *result = NEAREST_ALIGNED(buf);
* PadLock microcode needs it that big. */
char buf[128+16];
char *result = NEAREST_ALIGNED(buf);
+ int ts_state;
((uint32_t *)result)[0] = SHA1_H0;
((uint32_t *)result)[1] = SHA1_H1;
((uint32_t *)result)[0] = SHA1_H0;
((uint32_t *)result)[1] = SHA1_H1;
@@
-109,9
+111,12
@@
static void padlock_do_sha1(const char *in, char *out, int count)
((uint32_t *)result)[3] = SHA1_H3;
((uint32_t *)result)[4] = SHA1_H4;
((uint32_t *)result)[3] = SHA1_H3;
((uint32_t *)result)[4] = SHA1_H4;
+ /* prevent taking the spurious DNA fault with padlock. */
+ ts_state = irq_ts_save();
asm volatile (".byte 0xf3,0x0f,0xa6,0xc8" /* rep xsha1 */
: "+S"(in), "+D"(result)
: "c"(count), "a"(0));
asm volatile (".byte 0xf3,0x0f,0xa6,0xc8" /* rep xsha1 */
: "+S"(in), "+D"(result)
: "c"(count), "a"(0));
+ irq_ts_restore(ts_state);
padlock_output_block((uint32_t *)result, (uint32_t *)out, 5);
}
padlock_output_block((uint32_t *)result, (uint32_t *)out, 5);
}
@@
-123,6
+128,7
@@
static void padlock_do_sha256(const char *in, char *out, int count)
* PadLock microcode needs it that big. */
char buf[128+16];
char *result = NEAREST_ALIGNED(buf);
* PadLock microcode needs it that big. */
char buf[128+16];
char *result = NEAREST_ALIGNED(buf);
+ int ts_state;
((uint32_t *)result)[0] = SHA256_H0;
((uint32_t *)result)[1] = SHA256_H1;
((uint32_t *)result)[0] = SHA256_H0;
((uint32_t *)result)[1] = SHA256_H1;
@@
-133,9
+139,12
@@
static void padlock_do_sha256(const char *in, char *out, int count)
((uint32_t *)result)[6] = SHA256_H6;
((uint32_t *)result)[7] = SHA256_H7;
((uint32_t *)result)[6] = SHA256_H6;
((uint32_t *)result)[7] = SHA256_H7;
+ /* prevent taking the spurious DNA fault with padlock. */
+ ts_state = irq_ts_save();
asm volatile (".byte 0xf3,0x0f,0xa6,0xd0" /* rep xsha256 */
: "+S"(in), "+D"(result)
: "c"(count), "a"(0));
asm volatile (".byte 0xf3,0x0f,0xa6,0xd0" /* rep xsha256 */
: "+S"(in), "+D"(result)
: "c"(count), "a"(0));
+ irq_ts_restore(ts_state);
padlock_output_block((uint32_t *)result, (uint32_t *)out, 8);
}
padlock_output_block((uint32_t *)result, (uint32_t *)out, 8);
}