summaryrefslogtreecommitdiff
path: root/arch/sparc
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2012-08-30 08:40:44 -0700
committerDavid S. Miller <davem@davemloft.net>2012-08-30 08:40:44 -0700
commit4e71bb49f256e4efc94a9fdaaa430d906cd88e6b (patch)
tree0218bd2ab7a173b138e2959e81b481f6a3418b9d /arch/sparc
parent301013159e4cdce44700418c8fd5eadb270e2d3a (diff)
downloadlinux-4e71bb49f256e4efc94a9fdaaa430d906cd88e6b.tar.gz
sparc64: Unroll CTR crypt loops in AES driver.
Before: testing speed of ctr(aes) encryption test 0 (128 bit key, 16 byte blocks): 1 operation in 206 cycles (16 bytes) test 1 (128 bit key, 64 byte blocks): 1 operation in 244 cycles (64 bytes) test 2 (128 bit key, 256 byte blocks): 1 operation in 360 cycles (256 bytes) test 3 (128 bit key, 1024 byte blocks): 1 operation in 814 cycles (1024 bytes) test 4 (128 bit key, 8192 byte blocks): 1 operation in 5021 cycles (8192 bytes) test 5 (192 bit key, 16 byte blocks): 1 operation in 206 cycles (16 bytes) test 6 (192 bit key, 64 byte blocks): 1 operation in 240 cycles (64 bytes) test 7 (192 bit key, 256 byte blocks): 1 operation in 378 cycles (256 bytes) test 8 (192 bit key, 1024 byte blocks): 1 operation in 939 cycles (1024 bytes) test 9 (192 bit key, 8192 byte blocks): 1 operation in 6395 cycles (8192 bytes) test 10 (256 bit key, 16 byte blocks): 1 operation in 209 cycles (16 bytes) test 11 (256 bit key, 64 byte blocks): 1 operation in 249 cycles (64 bytes) test 12 (256 bit key, 256 byte blocks): 1 operation in 414 cycles (256 bytes) test 13 (256 bit key, 1024 byte blocks): 1 operation in 1073 cycles (1024 bytes) test 14 (256 bit key, 8192 byte blocks): 1 operation in 7110 cycles (8192 bytes) testing speed of ctr(aes) decryption test 0 (128 bit key, 16 byte blocks): 1 operation in 225 cycles (16 bytes) test 1 (128 bit key, 64 byte blocks): 1 operation in 233 cycles (64 bytes) test 2 (128 bit key, 256 byte blocks): 1 operation in 344 cycles (256 bytes) test 3 (128 bit key, 1024 byte blocks): 1 operation in 810 cycles (1024 bytes) test 4 (128 bit key, 8192 byte blocks): 1 operation in 5021 cycles (8192 bytes) test 5 (192 bit key, 16 byte blocks): 1 operation in 206 cycles (16 bytes) test 6 (192 bit key, 64 byte blocks): 1 operation in 240 cycles (64 bytes) test 7 (192 bit key, 256 byte blocks): 1 operation in 376 cycles (256 bytes) test 8 (192 bit key, 1024 byte blocks): 1 operation in 938 cycles (1024 bytes) test 9 (192 bit key, 8192 byte blocks): 1 operation in 6380 cycles (8192 bytes) test 10 (256 bit key, 16 byte blocks): 1 operation in 214 cycles (16 bytes) test 11 (256 bit key, 64 byte blocks): 1 operation in 251 cycles (64 bytes) test 12 (256 bit key, 256 byte blocks): 1 operation in 411 cycles (256 bytes) test 13 (256 bit key, 1024 byte blocks): 1 operation in 1070 cycles (1024 bytes) test 14 (256 bit key, 8192 byte blocks): 1 operation in 7114 cycles (8192 bytes) After: testing speed of ctr(aes) encryption test 0 (128 bit key, 16 byte blocks): 1 operation in 211 cycles (16 bytes) test 1 (128 bit key, 64 byte blocks): 1 operation in 246 cycles (64 bytes) test 2 (128 bit key, 256 byte blocks): 1 operation in 344 cycles (256 bytes) test 3 (128 bit key, 1024 byte blocks): 1 operation in 799 cycles (1024 bytes) test 4 (128 bit key, 8192 byte blocks): 1 operation in 4975 cycles (8192 bytes) test 5 (192 bit key, 16 byte blocks): 1 operation in 210 cycles (16 bytes) test 6 (192 bit key, 64 byte blocks): 1 operation in 236 cycles (64 bytes) test 7 (192 bit key, 256 byte blocks): 1 operation in 365 cycles (256 bytes) test 8 (192 bit key, 1024 byte blocks): 1 operation in 888 cycles (1024 bytes) test 9 (192 bit key, 8192 byte blocks): 1 operation in 6055 cycles (8192 bytes) test 10 (256 bit key, 16 byte blocks): 1 operation in 209 cycles (16 bytes) test 11 (256 bit key, 64 byte blocks): 1 operation in 255 cycles (64 bytes) test 12 (256 bit key, 256 byte blocks): 1 operation in 404 cycles (256 bytes) test 13 (256 bit key, 1024 byte blocks): 1 operation in 1010 cycles (1024 bytes) test 14 (256 bit key, 8192 byte blocks): 1 operation in 6669 cycles (8192 bytes) testing speed of ctr(aes) decryption test 0 (128 bit key, 16 byte blocks): 1 operation in 210 cycles (16 bytes) test 1 (128 bit key, 64 byte blocks): 1 operation in 233 cycles (64 bytes) test 2 (128 bit key, 256 byte blocks): 1 operation in 340 cycles (256 bytes) test 3 (128 bit key, 1024 byte blocks): 1 operation in 818 cycles (1024 bytes) test 4 (128 bit key, 8192 byte blocks): 1 operation in 4956 cycles (8192 bytes) test 5 (192 bit key, 16 byte blocks): 1 operation in 206 cycles (16 bytes) test 6 (192 bit key, 64 byte blocks): 1 operation in 239 cycles (64 bytes) test 7 (192 bit key, 256 byte blocks): 1 operation in 361 cycles (256 bytes) test 8 (192 bit key, 1024 byte blocks): 1 operation in 888 cycles (1024 bytes) test 9 (192 bit key, 8192 byte blocks): 1 operation in 5996 cycles (8192 bytes) test 10 (256 bit key, 16 byte blocks): 1 operation in 214 cycles (16 bytes) test 11 (256 bit key, 64 byte blocks): 1 operation in 248 cycles (64 bytes) test 12 (256 bit key, 256 byte blocks): 1 operation in 395 cycles (256 bytes) test 13 (256 bit key, 1024 byte blocks): 1 operation in 1010 cycles (1024 bytes) test 14 (256 bit key, 8192 byte blocks): 1 operation in 6664 cycles (8192 bytes) Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/crypto/aes_asm.S142
1 files changed, 118 insertions, 24 deletions
diff --git a/arch/sparc/crypto/aes_asm.S b/arch/sparc/crypto/aes_asm.S
index 0bd3e04ac42d..0fadad0c60ad 100644
--- a/arch/sparc/crypto/aes_asm.S
+++ b/arch/sparc/crypto/aes_asm.S
@@ -48,6 +48,10 @@
.word 0x81b0230d;
#define MOVXTOD_O5_F2 \
.word 0x85b0230d;
+#define MOVXTOD_O5_F4 \
+ .word 0x89b0230d;
+#define MOVXTOD_O5_F6 \
+ .word 0x8db0230d;
#define MOVXTOD_G3_F60 \
.word 0xbbb02303;
#define MOVXTOD_G7_F62 \
@@ -1400,8 +1404,10 @@ ENTRY(aes_sparc64_ctr_crypt_128)
/* %o0=key, %o1=input, %o2=output, %o3=len, %o4=IV */
ldx [%o4 + 0x00], %g3
ldx [%o4 + 0x08], %g7
+ subcc %o3, 0x10, %o3
ldx [%o0 + 0x00], %g1
- ldx [%o0 + 0x08], %g2
+ be 10f
+ ldx [%o0 + 0x08], %g2
1: xor %g1, %g3, %o5
MOVXTOD_O5_F0
xor %g2, %g7, %o5
@@ -1409,6 +1415,39 @@ ENTRY(aes_sparc64_ctr_crypt_128)
add %g7, 1, %g7
add %g3, 1, %o5
movrz %g7, %o5, %g3
+ xor %g1, %g3, %o5
+ MOVXTOD_O5_F4
+ xor %g2, %g7, %o5
+ MOVXTOD_O5_F6
+ add %g7, 1, %g7
+ add %g3, 1, %o5
+ movrz %g7, %o5, %g3
+ ENCRYPT_128_2(8, 0, 2, 4, 6, 56, 58, 60, 62)
+ ldd [%o1 + 0x00], %f56
+ ldd [%o1 + 0x08], %f58
+ ldd [%o1 + 0x10], %f60
+ ldd [%o1 + 0x18], %f62
+ fxor %f56, %f0, %f56
+ fxor %f58, %f2, %f58
+ fxor %f60, %f4, %f60
+ fxor %f62, %f6, %f62
+ std %f56, [%o2 + 0x00]
+ std %f58, [%o2 + 0x08]
+ std %f60, [%o2 + 0x10]
+ std %f62, [%o2 + 0x18]
+ subcc %o3, 0x20, %o3
+ add %o1, 0x20, %o1
+ brgz %o3, 1b
+ add %o2, 0x20, %o2
+ brlz,pt %o3, 11f
+ nop
+10: xor %g1, %g3, %o5
+ MOVXTOD_O5_F0
+ xor %g2, %g7, %o5
+ MOVXTOD_O5_F2
+ add %g7, 1, %g7
+ add %g3, 1, %o5
+ movrz %g7, %o5, %g3
ENCRYPT_128(8, 0, 2, 4, 6)
ldd [%o1 + 0x00], %f4
ldd [%o1 + 0x08], %f6
@@ -1416,14 +1455,9 @@ ENTRY(aes_sparc64_ctr_crypt_128)
fxor %f6, %f2, %f6
std %f4, [%o2 + 0x00]
std %f6, [%o2 + 0x08]
- subcc %o3, 0x10, %o3
- add %o1, 0x10, %o1
- bne,pt %xcc, 1b
- add %o2, 0x10, %o2
- stx %g3, [%o4 + 0x00]
- stx %g7, [%o4 + 0x08]
+11: stx %g3, [%o4 + 0x00]
retl
- nop
+ stx %g7, [%o4 + 0x08]
ENDPROC(aes_sparc64_ctr_crypt_128)
.align 32
@@ -1431,8 +1465,10 @@ ENTRY(aes_sparc64_ctr_crypt_192)
/* %o0=key, %o1=input, %o2=output, %o3=len, %o4=IV */
ldx [%o4 + 0x00], %g3
ldx [%o4 + 0x08], %g7
+ subcc %o3, 0x10, %o3
ldx [%o0 + 0x00], %g1
- ldx [%o0 + 0x08], %g2
+ be 10f
+ ldx [%o0 + 0x08], %g2
1: xor %g1, %g3, %o5
MOVXTOD_O5_F0
xor %g2, %g7, %o5
@@ -1440,6 +1476,39 @@ ENTRY(aes_sparc64_ctr_crypt_192)
add %g7, 1, %g7
add %g3, 1, %o5
movrz %g7, %o5, %g3
+ xor %g1, %g3, %o5
+ MOVXTOD_O5_F4
+ xor %g2, %g7, %o5
+ MOVXTOD_O5_F6
+ add %g7, 1, %g7
+ add %g3, 1, %o5
+ movrz %g7, %o5, %g3
+ ENCRYPT_192_2(8, 0, 2, 4, 6, 56, 58, 60, 62)
+ ldd [%o1 + 0x00], %f56
+ ldd [%o1 + 0x08], %f58
+ ldd [%o1 + 0x10], %f60
+ ldd [%o1 + 0x18], %f62
+ fxor %f56, %f0, %f56
+ fxor %f58, %f2, %f58
+ fxor %f60, %f4, %f60
+ fxor %f62, %f6, %f62
+ std %f56, [%o2 + 0x00]
+ std %f58, [%o2 + 0x08]
+ std %f60, [%o2 + 0x10]
+ std %f62, [%o2 + 0x18]
+ subcc %o3, 0x20, %o3
+ add %o1, 0x20, %o1
+ brgz %o3, 1b
+ add %o2, 0x20, %o2
+ brlz,pt %o3, 11f
+ nop
+10: xor %g1, %g3, %o5
+ MOVXTOD_O5_F0
+ xor %g2, %g7, %o5
+ MOVXTOD_O5_F2
+ add %g7, 1, %g7
+ add %g3, 1, %o5
+ movrz %g7, %o5, %g3
ENCRYPT_192(8, 0, 2, 4, 6)
ldd [%o1 + 0x00], %f4
ldd [%o1 + 0x08], %f6
@@ -1447,14 +1516,9 @@ ENTRY(aes_sparc64_ctr_crypt_192)
fxor %f6, %f2, %f6
std %f4, [%o2 + 0x00]
std %f6, [%o2 + 0x08]
- subcc %o3, 0x10, %o3
- add %o1, 0x10, %o1
- bne,pt %xcc, 1b
- add %o2, 0x10, %o2
- stx %g3, [%o4 + 0x00]
- stx %g7, [%o4 + 0x08]
+11: stx %g3, [%o4 + 0x00]
retl
- nop
+ stx %g7, [%o4 + 0x08]
ENDPROC(aes_sparc64_ctr_crypt_192)
.align 32
@@ -1462,8 +1526,10 @@ ENTRY(aes_sparc64_ctr_crypt_256)
/* %o0=key, %o1=input, %o2=output, %o3=len, %o4=IV */
ldx [%o4 + 0x00], %g3
ldx [%o4 + 0x08], %g7
+ subcc %o3, 0x10, %o3
ldx [%o0 + 0x00], %g1
- ldx [%o0 + 0x08], %g2
+ be 10f
+ ldx [%o0 + 0x08], %g2
1: xor %g1, %g3, %o5
MOVXTOD_O5_F0
xor %g2, %g7, %o5
@@ -1471,6 +1537,39 @@ ENTRY(aes_sparc64_ctr_crypt_256)
add %g7, 1, %g7
add %g3, 1, %o5
movrz %g7, %o5, %g3
+ xor %g1, %g3, %o5
+ MOVXTOD_O5_F4
+ xor %g2, %g7, %o5
+ MOVXTOD_O5_F6
+ add %g7, 1, %g7
+ add %g3, 1, %o5
+ movrz %g7, %o5, %g3
+ ENCRYPT_256_2(8, 0, 2, 4, 6)
+ ldd [%o1 + 0x00], %f56
+ ldd [%o1 + 0x08], %f58
+ ldd [%o1 + 0x10], %f60
+ ldd [%o1 + 0x18], %f62
+ fxor %f56, %f0, %f56
+ fxor %f58, %f2, %f58
+ fxor %f60, %f4, %f60
+ fxor %f62, %f6, %f62
+ std %f56, [%o2 + 0x00]
+ std %f58, [%o2 + 0x08]
+ std %f60, [%o2 + 0x10]
+ std %f62, [%o2 + 0x18]
+ subcc %o3, 0x20, %o3
+ add %o1, 0x20, %o1
+ brgz %o3, 1b
+ add %o2, 0x20, %o2
+ brlz,pt %o3, 11f
+ nop
+10: xor %g1, %g3, %o5
+ MOVXTOD_O5_F0
+ xor %g2, %g7, %o5
+ MOVXTOD_O5_F2
+ add %g7, 1, %g7
+ add %g3, 1, %o5
+ movrz %g7, %o5, %g3
ENCRYPT_256(8, 0, 2, 4, 6)
ldd [%o1 + 0x00], %f4
ldd [%o1 + 0x08], %f6
@@ -1478,12 +1577,7 @@ ENTRY(aes_sparc64_ctr_crypt_256)
fxor %f6, %f2, %f6
std %f4, [%o2 + 0x00]
std %f6, [%o2 + 0x08]
- subcc %o3, 0x10, %o3
- add %o1, 0x10, %o1
- bne,pt %xcc, 1b
- add %o2, 0x10, %o2
- stx %g3, [%o4 + 0x00]
- stx %g7, [%o4 + 0x08]
+11: stx %g3, [%o4 + 0x00]
retl
- nop
+ stx %g7, [%o4 + 0x08]
ENDPROC(aes_sparc64_ctr_crypt_256)