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Message-ID: <20120307000330.11945.84061.stgit@elm3b70.beaverton.ibm.com>
Date: Tue, 06 Mar 2012 16:03:30 -0800
From: "Darrick J. Wong" <djwong@...ibm.com>
To: Andreas Dilger <adilger.kernel@...ger.ca>,
Theodore Tso <tytso@....edu>,
"Darrick J. Wong" <djwong@...ibm.com>
Cc: Sunil Mushran <sunil.mushran@...cle.com>,
Amir Goldstein <amir73il@...il.com>,
Andi Kleen <andi@...stfloor.org>,
Mingming Cao <cmm@...ibm.com>,
Joel Becker <jlbec@...lplan.org>, linux-ext4@...r.kernel.org,
Coly Li <colyli@...il.com>
Subject: [PATCH 52/54] libext2fs: Bring the CRC32c implementation up to date
with the kernel implementation
The crc32c implementation in the kernel has been refactored a bit to reduce the
amount of code that needs to be maintained, and to speed up tune2fs/e2fsck on
PowerPC by 5-10%. Port the crc32c changes over, and provide a crc32_be so that
we can remove the duplicate functionality from e2fsck. Also drop crc32c_be and
crc32_le since neither got used.
Signed-off-by: Darrick J. Wong <djwong@...ibm.com>
---
lib/ext2fs/crc32c.c | 692 +++++++++++++++---------------------------
lib/ext2fs/crc32c_defs.h | 12 +
lib/ext2fs/ext2fs.h | 2
lib/ext2fs/gen_crc32ctable.c | 96 +++---
4 files changed, 296 insertions(+), 506 deletions(-)
diff --git a/lib/ext2fs/crc32c.c b/lib/ext2fs/crc32c.c
index 6be4336..1ad068f 100644
--- a/lib/ext2fs/crc32c.c
+++ b/lib/ext2fs/crc32c.c
@@ -32,7 +32,6 @@
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
-#define __force
#define min(x, y) ((x) > (y) ? (y) : (x))
#define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask))
#define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)
@@ -58,400 +57,189 @@
#endif
#if CRC_LE_BITS > 8
-# define tole(x) (__force uint32_t) __constant_cpu_to_le32(x)
+# define tole(x) __constant_cpu_to_le32(x)
#else
# define tole(x) (x)
#endif
#if CRC_BE_BITS > 8
-# define tobe(x) (__force uint32_t) __constant_cpu_to_be32(x)
+# define tobe(x) __constant_cpu_to_be32(x)
#else
# define tobe(x) (x)
#endif
#include "crc32c_table.h"
-#if CRC_LE_BITS == 32
-/* slice by 4 algorithm */
-static uint32_t crc32c_le_body(uint32_t crc, uint8_t const *buf, size_t len)
-{
- const uint8_t *p8;
- const uint32_t *p32;
- size_t init_bytes;
- size_t words;
- size_t end_bytes;
- size_t i;
- uint32_t q;
- uint8_t i0, i1, i2, i3;
-
- crc = (__force uint32_t) __cpu_to_le32(crc);
-
- /* unroll loop into 'init_bytes' odd bytes followed by
- * 'words' aligned 4 byte words followed by
- * 'end_bytes' odd bytes at the end */
- p8 = buf;
- p32 = (uint32_t *)PTR_ALIGN(p8, 4);
- init_bytes = min((uintptr_t)p32 - (uintptr_t)p8, len);
- words = (len - init_bytes) >> 2;
- end_bytes = (len - init_bytes) & 3;
-
- for (i = 0; i < init_bytes; i++) {
-#ifndef WORDS_BIGENDIAN
- i0 = *p8++ ^ crc;
- crc = t0_le[i0] ^ (crc >> 8);
-#else
- i0 = *p8++ ^ (crc >> 24);
- crc = t0_le[i0] ^ (crc << 8);
-#endif
- }
-
- /* using pre-increment below slightly faster */
- p32--;
-
- for (i = 0; i < words; i++) {
-#ifndef WORDS_BIGENDIAN
- q = *++p32 ^ crc;
- i3 = q;
- i2 = q >> 8;
- i1 = q >> 16;
- i0 = q >> 24;
- crc = t3_le[i3] ^ t2_le[i2] ^ t1_le[i1] ^ t0_le[i0];
-#else
- q = *++p32 ^ crc;
- i3 = q >> 24;
- i2 = q >> 16;
- i1 = q >> 8;
- i0 = q;
- crc = t3_le[i3] ^ t2_le[i2] ^ t1_le[i1] ^ t0_le[i0];
-#endif
- }
+#if CRC_LE_BITS > 8 || CRC_BE_BITS > 8
- p8 = (uint8_t *)(++p32);
-
- for (i = 0; i < end_bytes; i++) {
-#ifndef WORDS_BIGENDIAN
- i0 = *p8++ ^ crc;
- crc = t0_le[i0] ^ (crc >> 8);
-#else
- i0 = *p8++ ^ (crc >> 24);
- crc = t0_le[i0] ^ (crc << 8);
-#endif
- }
-
- return __le32_to_cpu((__force __le32)crc);
-}
-#endif
-
-#if CRC_BE_BITS == 32
-static uint32_t crc32c_be_body(uint32_t crc, uint8_t const *buf, size_t len)
+/* implements slicing-by-4 or slicing-by-8 algorithm */
+static inline uint32_t
+crc32_body(uint32_t crc, unsigned char const *buf, size_t len,
+ const uint32_t (*tab)[256])
{
- const uint8_t *p8;
- const uint32_t *p32;
- size_t init_bytes;
- size_t words;
- size_t end_bytes;
- size_t i;
- uint32_t q;
- uint8_t i0, i1, i2, i3;
-
- crc = (__force uint32_t) __cpu_to_be32(crc);
-
- p8 = buf;
- p32 = (uint32_t *)PTR_ALIGN(p8, 4);
- init_bytes = min((uintptr_t)p32 - (uintptr_t)p8, len);
- words = (len - init_bytes) >> 2;
- end_bytes = (len - init_bytes) & 3;
-
- for (i = 0; i < init_bytes; i++) {
-#ifndef WORDS_BIGENDIAN
- i0 = *p8++ ^ crc;
- crc = t0_be[i0] ^ (crc >> 8);
-#else
- i0 = *p8++ ^ (crc >> 24);
- crc = t0_be[i0] ^ (crc << 8);
-#endif
- }
-
- p32--;
-
- for (i = 0; i < words; i++) {
-#ifndef WORDS_BIGENDIAN
- q = *++p32 ^ crc;
- i3 = q;
- i2 = q >> 8;
- i1 = q >> 16;
- i0 = q >> 24;
- crc = t3_be[i3] ^ t2_be[i2] ^ t1_be[i1] ^ t0_be[i0];
-#else
- q = *++p32 ^ crc;
- i3 = q >> 24;
- i2 = q >> 16;
- i1 = q >> 8;
- i0 = q;
- crc = t3_be[i3] ^ t2_be[i2] ^ t1_be[i1] ^ t0_be[i0];
-#endif
- }
-
- p8 = (uint8_t *)(++p32);
-
- for (i = 0; i < end_bytes; i++) {
-#ifndef WORDS_BIGENDIAN
- i0 = *p8++ ^ crc;
- crc = t0_be[i0] ^ (crc >> 8);
-#else
- i0 = *p8++ ^ (crc >> 24);
- crc = t0_be[i0] ^ (crc << 8);
-#endif
- }
-
- return __be32_to_cpu((__force __be32)crc);
-}
-#endif
-
-#if CRC_LE_BITS == 64
-/* slice by 8 algorithm */
-static uint32_t crc32c_le_body(uint32_t crc, uint8_t const *buf, size_t len)
-{
- const uint8_t *p8;
- const uint32_t *p32;
- size_t init_bytes;
- size_t words;
- size_t end_bytes;
- size_t i;
- uint32_t q;
- uint8_t i0, i1, i2, i3;
-
- crc = (__force uint32_t) __cpu_to_le32(crc);
-
- p8 = buf;
- p32 = (uint32_t *)PTR_ALIGN(p8, 8);
- init_bytes = min((uintptr_t)p32 - (uintptr_t)p8, len);
- words = (len - init_bytes) >> 3;
- end_bytes = (len - init_bytes) & 7;
-
- for (i = 0; i < init_bytes; i++) {
-#ifndef WORDS_BIGENDIAN
- i0 = *p8++ ^ crc;
- crc = t0_le[i0] ^ (crc >> 8);
-#else
- i0 = *p8++ ^ (crc >> 24);
- crc = t0_le[i0] ^ (crc << 8);
-#endif
- }
-
- p32--;
-
- for (i = 0; i < words; i++) {
-#ifndef WORDS_BIGENDIAN
- q = *++p32 ^ crc;
- i3 = q;
- i2 = q >> 8;
- i1 = q >> 16;
- i0 = q >> 24;
- crc = t7_le[i3] ^ t6_le[i2] ^ t5_le[i1] ^ t4_le[i0];
-
- q = *++p32;
- i3 = q;
- i2 = q >> 8;
- i1 = q >> 16;
- i0 = q >> 24;
- crc ^= t3_le[i3] ^ t2_le[i2] ^ t1_le[i1] ^ t0_le[i0];
-#else
- q = *++p32 ^ crc;
- i3 = q >> 24;
- i2 = q >> 16;
- i1 = q >> 8;
- i0 = q;
- crc = t7_le[i3] ^ t6_le[i2] ^ t5_le[i1] ^ t4_le[i0];
-
- q = *++p32;
- i3 = q >> 24;
- i2 = q >> 16;
- i1 = q >> 8;
- i0 = q;
- crc ^= t3_le[i3] ^ t2_le[i2] ^ t1_le[i1] ^ t0_le[i0];
-#endif
- }
-
- p8 = (uint8_t *)(++p32);
-
- for (i = 0; i < end_bytes; i++) {
-#ifndef WORDS_BIGENDIAN
- i0 = *p8++ ^ crc;
- crc = t0_le[i0] ^ (crc >> 8);
-#else
- i0 = *p8++ ^ (crc >> 24);
- crc = t0_le[i0] ^ (crc << 8);
-#endif
- }
-
- return __le32_to_cpu(crc);
-}
-#endif
-
-#if CRC_BE_BITS == 64
-static uint32_t crc32c_be_body(uint32_t crc, uint8_t const *buf, size_t len)
-{
- const uint8_t *p8;
- const uint32_t *p32;
- size_t init_bytes;
- size_t words;
- size_t end_bytes;
- size_t i;
+# ifndef WORDS_BIGENDIAN
+# define DO_CRC(x) (crc = t0[(crc ^ (x)) & 255] ^ (crc >> 8))
+# define DO_CRC4 (t3[(q) & 255] ^ t2[(q >> 8) & 255] ^ \
+ t1[(q >> 16) & 255] ^ t0[(q >> 24) & 255])
+# define DO_CRC8 (t7[(q) & 255] ^ t6[(q >> 8) & 255] ^ \
+ t5[(q >> 16) & 255] ^ t4[(q >> 24) & 255])
+# else
+# define DO_CRC(x) (crc = t0[((crc >> 24) ^ (x)) & 255] ^ (crc << 8))
+# define DO_CRC4 (t0[(q) & 255] ^ t1[(q >> 8) & 255] ^ \
+ t2[(q >> 16) & 255] ^ t3[(q >> 24) & 255])
+# define DO_CRC8 (t4[(q) & 255] ^ t5[(q >> 8) & 255] ^ \
+ t6[(q >> 16) & 255] ^ t7[(q >> 24) & 255])
+# endif
+ const uint32_t *b;
+ size_t rem_len;
+ const uint32_t *t0 = tab[0], *t1 = tab[1], *t2 = tab[2], *t3 = tab[3];
+ const uint32_t *t4 = tab[4], *t5 = tab[5], *t6 = tab[6], *t7 = tab[7];
uint32_t q;
- uint8_t i0, i1, i2, i3;
-
- crc = (__force uint32_t) __cpu_to_be32(crc);
- p8 = buf;
- p32 = (uint32_t *)PTR_ALIGN(p8, 8);
- init_bytes = min((uintptr_t)p32 - (uintptr_t)p8, len);
- words = (len - init_bytes) >> 3;
- end_bytes = (len - init_bytes) & 7;
-
- for (i = 0; i < init_bytes; i++) {
-#ifndef WORDS_BIGENDIAN
- i0 = *p8++ ^ crc;
- crc = t0_be[i0] ^ (crc >> 8);
-#else
- i0 = *p8++ ^ (crc >> 24);
- crc = t0_be[i0] ^ (crc << 8);
-#endif
+ /* Align it */
+ if (unlikely((long)buf & 3 && len)) {
+ do {
+ DO_CRC(*buf++);
+ } while ((--len) && ((long)buf)&3);
}
- p32--;
-
- for (i = 0; i < words; i++) {
-#ifndef WORDS_BIGENDIAN
- q = *++p32 ^ crc;
- i3 = q;
- i2 = q >> 8;
- i1 = q >> 16;
- i0 = q >> 24;
- crc = t7_be[i3] ^ t6_be[i2] ^ t5_be[i1] ^ t4_be[i0];
-
- q = *++p32;
- i3 = q;
- i2 = q >> 8;
- i1 = q >> 16;
- i0 = q >> 24;
- crc ^= t3_be[i3] ^ t2_be[i2] ^ t1_be[i1] ^ t0_be[i0];
-#else
- q = *++p32 ^ crc;
- i3 = q >> 24;
- i2 = q >> 16;
- i1 = q >> 8;
- i0 = q;
- crc = t7_be[i3] ^ t6_be[i2] ^ t5_be[i1] ^ t4_be[i0];
+# if CRC_LE_BITS == 32
+ rem_len = len & 3;
+ len = len >> 2;
+# else
+ rem_len = len & 7;
+ len = len >> 3;
+# endif
- q = *++p32;
- i3 = q >> 24;
- i2 = q >> 16;
- i1 = q >> 8;
- i0 = q;
- crc ^= t3_be[i3] ^ t2_be[i2] ^ t1_be[i1] ^ t0_be[i0];
-#endif
+ b = (const uint32_t *)buf;
+ for (--b; len; --len) {
+ q = crc ^ *++b; /* use pre increment for speed */
+# if CRC_LE_BITS == 32
+ crc = DO_CRC4;
+# else
+ crc = DO_CRC8;
+ q = *++b;
+ crc ^= DO_CRC4;
+# endif
}
-
- p8 = (uint8_t *)(++p32);
-
- for (i = 0; i < end_bytes; i++) {
-#ifndef WORDS_BIGENDIAN
- i0 = *p8++ ^ crc;
- crc = t0_be[i0] ^ (crc >> 8);
-#else
- i0 = *p8++ ^ (crc >> 24);
- crc = t0_be[i0] ^ (crc << 8);
-#endif
+ len = rem_len;
+ /* And the last few bytes */
+ if (len) {
+ uint8_t *p = (uint8_t *)(b + 1) - 1;
+ do {
+ DO_CRC(*++p); /* use pre increment for speed */
+ } while (--len);
}
-
- return __be32_to_cpu(crc);
+ return crc;
+#undef DO_CRC
+#undef DO_CRC4
+#undef DO_CRC8
}
#endif
/**
- * crc32c_le() - Calculate bitwise little-endian CRC32c.
- * @crc: seed value for computation. ~0 for ext4, sometimes 0 for
- * other uses, or the previous crc32c value if computing incrementally.
+ * crc32_le() - Calculate bitwise little-endian Ethernet AUTODIN II CRC32
+ * @crc: seed value for computation. ~0 for Ethernet, sometimes 0 for
+ * other uses, or the previous crc32 value if computing incrementally.
* @p: pointer to buffer over which CRC is run
* @len: length of buffer @p
*/
-uint32_t ext2fs_crc32c_le(uint32_t crc, unsigned char const *p, size_t len)
+static inline uint32_t crc32_le_generic(uint32_t crc, unsigned char const *p,
+ size_t len, const uint32_t (*tab)[256],
+ uint32_t polynomial)
{
#if CRC_LE_BITS == 1
int i;
while (len--) {
crc ^= *p++;
for (i = 0; i < 8; i++)
- crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);
+ crc = (crc >> 1) ^ ((crc & 1) ? polynomial : 0);
}
# elif CRC_LE_BITS == 2
while (len--) {
crc ^= *p++;
- crc = (crc >> 2) ^ t0_le[crc & 0x03];
- crc = (crc >> 2) ^ t0_le[crc & 0x03];
- crc = (crc >> 2) ^ t0_le[crc & 0x03];
- crc = (crc >> 2) ^ t0_le[crc & 0x03];
+ crc = (crc >> 2) ^ tab[0][crc & 3];
+ crc = (crc >> 2) ^ tab[0][crc & 3];
+ crc = (crc >> 2) ^ tab[0][crc & 3];
+ crc = (crc >> 2) ^ tab[0][crc & 3];
}
# elif CRC_LE_BITS == 4
while (len--) {
crc ^= *p++;
- crc = (crc >> 4) ^ t0_le[crc & 0x0f];
- crc = (crc >> 4) ^ t0_le[crc & 0x0f];
+ crc = (crc >> 4) ^ tab[0][crc & 15];
+ crc = (crc >> 4) ^ tab[0][crc & 15];
}
# elif CRC_LE_BITS == 8
+ /* aka Sarwate algorithm */
while (len--) {
crc ^= *p++;
- crc = (crc >> 8) ^ t0_le[crc & 0xff];
+ crc = (crc >> 8) ^ tab[0][crc & 255];
}
# else
- crc = crc32c_le_body(crc, p, len);
-# endif
+ crc = __cpu_to_le32(crc);
+ crc = crc32_body(crc, p, len, tab);
+ crc = __le32_to_cpu(crc);
+#endif
return crc;
}
+uint32_t ext2fs_crc32c_le(uint32_t crc, unsigned char const *p, size_t len)
+{
+ return crc32_le_generic(crc, p, len, crc32ctable_le, CRC32C_POLY_LE);
+}
+
/**
- * crc32c_be() - Calculate bitwise big-endian CRC32c.
- * @crc: seed value for computation. ~0 for ext4, sometimes 0 for
- * other uses, or the previous crc32c value if computing incrementally.
+ * crc32_be() - Calculate bitwise big-endian Ethernet AUTODIN II CRC32
+ * @crc: seed value for computation. ~0 for Ethernet, sometimes 0 for
+ * other uses, or the previous crc32 value if computing incrementally.
* @p: pointer to buffer over which CRC is run
* @len: length of buffer @p
*/
-uint32_t ext2fs_crc32c_be(uint32_t crc, unsigned char const *p, size_t len)
+static inline uint32_t crc32_be_generic(uint32_t crc, unsigned char const *p,
+ size_t len, const uint32_t (*tab)[256],
+ uint32_t polynomial)
{
#if CRC_BE_BITS == 1
int i;
while (len--) {
crc ^= *p++ << 24;
for (i = 0; i < 8; i++)
- crc = (crc << 1) ^
- ((crc & 0x80000000) ? CRCPOLY_BE : 0);
+ crc =
+ (crc << 1) ^ ((crc & 0x80000000) ? polynomial :
+ 0);
}
# elif CRC_BE_BITS == 2
while (len--) {
crc ^= *p++ << 24;
- crc = (crc << 2) ^ t0_be[crc >> 30];
- crc = (crc << 2) ^ t0_be[crc >> 30];
- crc = (crc << 2) ^ t0_be[crc >> 30];
- crc = (crc << 2) ^ t0_be[crc >> 30];
+ crc = (crc << 2) ^ tab[0][crc >> 30];
+ crc = (crc << 2) ^ tab[0][crc >> 30];
+ crc = (crc << 2) ^ tab[0][crc >> 30];
+ crc = (crc << 2) ^ tab[0][crc >> 30];
}
# elif CRC_BE_BITS == 4
while (len--) {
crc ^= *p++ << 24;
- crc = (crc << 4) ^ t0_be[crc >> 28];
- crc = (crc << 4) ^ t0_be[crc >> 28];
+ crc = (crc << 4) ^ tab[0][crc >> 28];
+ crc = (crc << 4) ^ tab[0][crc >> 28];
}
# elif CRC_BE_BITS == 8
while (len--) {
crc ^= *p++ << 24;
- crc = (crc << 8) ^ t0_be[crc >> 24];
+ crc = (crc << 8) ^ tab[0][crc >> 24];
}
# else
- crc = crc32c_be_body(crc, p, len);
+ crc = __cpu_to_be32(crc);
+ crc = crc32_body(crc, p, len, tab);
+ crc = __be32_to_cpu(crc);
# endif
return crc;
}
+uint32_t ext2fs_crc32_be(uint32_t crc, unsigned char const *p, size_t len)
+{
+ return crc32_be_generic(crc, p, len, crc32table_be, CRCPOLY_BE);
+}
+
#ifdef UNITTEST
static uint8_t test_buf[] = {
0xd9, 0xd7, 0x6a, 0x13, 0x3a, 0xb1, 0x05, 0x48,
@@ -972,137 +760,137 @@ static struct crc_test {
uint32_t crc; /* random starting crc */
uint32_t start; /* random offset in buf */
uint32_t length; /* random length of test */
- uint32_t crc_le; /* expected crc32_le result */
- uint32_t crc_be; /* expected crc32_be result */
+ uint32_t crc32c_le; /* expected crc32c_le result */
+ uint32_t crc32_be; /* expected crc32_be result */
} test[] = {
- {0xffffffff, 0x00000000, 0x00001000, 0x13934bef, 0x14f3b75f},
- {0xfe7328ea, 0x00000763, 0x00000717, 0xed2c0d70, 0x57531214},
- {0x4c40684e, 0x00000721, 0x0000011e, 0xd7f46ccc, 0xedf12ec3},
- {0x6b487f90, 0x00000264, 0x000007bc, 0x759e9939, 0x9af8e387},
- {0x9f5810db, 0x00000afa, 0x00000255, 0x2685197f, 0x716de6ed},
- {0xb15c4755, 0x00000d5b, 0x000002a4, 0xd8fadcb5, 0xfc34ae3f},
- {0x06518253, 0x00000ffb, 0x00000004, 0xabee2433, 0xfa30ac9e},
- {0xd9e71c55, 0x00000a2a, 0x00000259, 0x96682af2, 0xe5907ea3},
- {0x0c1ae843, 0x00000ce4, 0x0000031b, 0x7b637c43, 0xe7f71b04},
- {0xec3cd517, 0x000002ff, 0x00000566, 0x5d719a77, 0xed16e045},
- {0x77828e95, 0x0000067f, 0x0000038f, 0x43ee5b6c, 0x35999927},
- {0xec87b4e3, 0x00000d1c, 0x000002e3, 0x2ddd2eee, 0x9452d3f8},
- {0x412158bb, 0x00000eee, 0x00000111, 0x67b38ba2, 0x177976d0},
- {0x2e52de3e, 0x00000c4a, 0x000003b5, 0xbcc5d61d, 0xf60fee71},
- {0x6ddaae8b, 0x00000d99, 0x00000266, 0x8b535544, 0x1dab8596},
- {0x049b6cb1, 0x000009c5, 0x000000b0, 0xfc22cabc, 0x47ebc954},
- {0x77d4b954, 0x0000028a, 0x000007fa, 0x71d00923, 0x905585ef},
- {0x5e192355, 0x00000ac1, 0x000001fa, 0xb966b81a, 0x33c12903},
- {0x7d80b71d, 0x00000213, 0x000001e0, 0x2bba371a, 0x5f4bd8d9},
- {0x01f6f1e4, 0x000001d6, 0x00000395, 0xb7e8a647, 0x2a7943a1},
- {0x1dfabb13, 0x00000e14, 0x000001eb, 0x53917fba, 0x8dee1e5d},
- {0xb00a4449, 0x00000bf6, 0x00000409, 0xedecb577, 0x628e087d},
- {0x7ecd3981, 0x0000083f, 0x0000016b, 0xefef62b9, 0xda4f94e6},
- {0xf8f330d2, 0x000004be, 0x00000757, 0x9357c9f3, 0x8e2d5c2f},
- {0x03c38af2, 0x00000d23, 0x000002dc, 0x360fa8c0, 0x6294c0d6},
- {0x687bb79b, 0x00000f3d, 0x000000c2, 0x448d3be2, 0x08f48f3a},
- {0x6710f550, 0x000009e9, 0x00000603, 0xdbfd1998, 0xc950ac29},
- {0x873171d1, 0x00000787, 0x000004d5, 0xab7f1b62, 0xe66896ab},
- {0x373b1314, 0x00000f0f, 0x000000f0, 0x184098ab, 0x4038e674},
- {0x90fad9cd, 0x00000ead, 0x00000152, 0x23ce52ff, 0x9eff3974},
- {0x19676fe7, 0x0000007d, 0x0000070d, 0xf8a76f1e, 0xfbc5c8a9},
- {0x89facd45, 0x000005f3, 0x00000473, 0x4331a006, 0xb8f0f0cc},
- {0x6f173747, 0x00000fc3, 0x0000003c, 0xb012f08e, 0x5126e378},
- {0x4b44a106, 0x0000075a, 0x0000008b, 0xf6f7ac38, 0xf9b1781b},
- {0xb620ad06, 0x00000774, 0x0000017e, 0xd34558e6, 0xb175edd3},
- {0x976f21e9, 0x000008d7, 0x0000034a, 0xe533aa3a, 0x1e4367b9},
- {0x687628c0, 0x000006c5, 0x0000061b, 0x3a840b15, 0xfb5989a0},
- {0xe24ac108, 0x00000cd0, 0x0000032f, 0x51010ae8, 0xcdd8f182},
- {0x361c44a3, 0x00000304, 0x00000719, 0xfd7bd481, 0x12de540f},
- {0xd93ff95e, 0x00000db7, 0x0000008e, 0xcfbbc304, 0x42eecd5a},
- {0xed752d12, 0x00000883, 0x00000091, 0x65a6c868, 0x9ebfa578},
- {0xb4ff4b54, 0x000003d3, 0x000001c1, 0xf82597e7, 0xa8ad2b19},
- {0x111b520f, 0x00000708, 0x000000eb, 0xc3e109f3, 0x323ace17},
- {0x62c806f2, 0x00000ba3, 0x0000045c, 0x874d3a72, 0xaf1a1360},
- {0x40d97470, 0x000005e1, 0x0000058d, 0x87a9684f, 0x524244a8},
- {0x4312179c, 0x00000056, 0x0000070e, 0x809a00f5, 0xf9e940b0},
- {0x13d5f84c, 0x00000a2d, 0x00000104, 0xf3d27578, 0x5d33341c},
- {0x1f302cb2, 0x00000151, 0x00000014, 0x1e162693, 0x53c3cfc3},
- {0xe491db24, 0x00000600, 0x000006f6, 0x7ff09615, 0xa300ecf7},
- {0xf9a98069, 0x000002ba, 0x000002ad, 0x01af7387, 0x31c0911e},
- {0xe9c477ad, 0x0000015f, 0x00000778, 0x6facf9a0, 0x1993b688},
- {0x353f32b2, 0x0000087c, 0x00000783, 0x6cc964ea, 0x418db561},
- {0x78e1b24f, 0x00000650, 0x000006a8, 0xb3bb7c27, 0xf2aad006},
- {0x61aa400e, 0x00000049, 0x00000254, 0xb8cd1681, 0x79150b15},
- {0xb84b10b0, 0x00000f73, 0x0000008c, 0x406a6450, 0x0c705222},
- {0x9fa99c9c, 0x00000a7c, 0x000004d7, 0xfb3d21b4, 0xe4e789df},
- {0x3fc9ebe3, 0x00000cd9, 0x000000d6, 0x43803f9c, 0x5a152be5},
- {0x529879cd, 0x000002f2, 0x00000595, 0x78b4c6a6, 0xf7236ec4},
- {0x3a933019, 0x00000516, 0x00000266, 0xdcb45436, 0x2c7935f5},
- {0x887b4977, 0x00000227, 0x0000038d, 0xc5f7c3d9, 0x0d6d7df6},
- {0x770745de, 0x000008c6, 0x00000739, 0xf69145e8, 0x47d5efc9},
- {0x28be3b47, 0x00000c46, 0x0000032b, 0x764c028f, 0x1eb70d64},
- {0x5013a050, 0x00000cf6, 0x00000309, 0xea8fe164, 0x186affa4},
- {0x2ec4c9ba, 0x000006e8, 0x0000078d, 0xa35557a9, 0xb41f49ec},
- {0xa9f950c9, 0x00000d33, 0x000002cc, 0x41ea8618, 0xab8dfae3},
- {0x5b520229, 0x000007b2, 0x00000484, 0x44569f1f, 0x607a8052},
- {0xd8dcbbfc, 0x0000002f, 0x0000048c, 0xdb88ab8b, 0xf1c411f1},
- {0x25529792, 0x00000d1d, 0x000002e2, 0x20cda404, 0x32683a2d},
- {0x9f3f6d71, 0x00000238, 0x0000079a, 0x0720443e, 0x4b8ba2ff},
- {0x64121215, 0x000007ff, 0x0000038f, 0x6aacff2c, 0x3b84233b},
- {0xfb6cdde0, 0x00000ef8, 0x00000107, 0xbd43a0f1, 0x926624d0},
- {0x221c9d6f, 0x000007b6, 0x0000014f, 0xb67f834b, 0x2bdedda4},
- {0x030e1de4, 0x00000836, 0x000004b4, 0x0d67d26a, 0x75a73b73},
- {0xb56fa6cf, 0x00000c07, 0x000003f8, 0x60601ac1, 0x10a43f35},
- {0xb55c89f5, 0x0000098e, 0x000001d4, 0x2400efbe, 0x006e28eb},
- {0x5e90b6d5, 0x0000070b, 0x000003ea, 0x3bb5d6ea, 0xb175fa6b},
- {0x2a7045ae, 0x00000961, 0x00000633, 0xfca89e4b, 0x962cd6d2},
- {0x8b374ea9, 0x000006ba, 0x00000780, 0xbce036ed, 0x4dc8279b},
- {0x8bd90bc9, 0x00000562, 0x00000369, 0xcb26a24b, 0x50dee743},
- {0x5b1b1762, 0x000000fd, 0x0000051a, 0x33cdda07, 0xee75ff7b},
- {0xa4153555, 0x0000058f, 0x000005c7, 0xbe50eeca, 0xe73fffcc},
- {0x0be1f931, 0x00000651, 0x00000672, 0x95a25753, 0x4ad6270f},
- {0xb7e78618, 0x00000a7f, 0x000002bb, 0xe06bcc1c, 0x1a35ee59},
- {0x4a9bc41b, 0x00000e51, 0x000001ae, 0x709e8d2c, 0x75080ca8},
- {0xfc359d13, 0x00000440, 0x000002f8, 0x0a58451f, 0x6fa3cfbf},
- {0x5aa48619, 0x000006d1, 0x00000284, 0x928ead83, 0xbd600efc},
- {0xa609afa8, 0x0000053e, 0x00000272, 0xb048c141, 0x184f80bb},
- {0x3f108afb, 0x00000949, 0x00000150, 0x9a6bb5bc, 0x0ea02be1},
- {0x79bec2d3, 0x000008ed, 0x00000712, 0x32692d57, 0x2eb13289},
- {0x9429e067, 0x00000bc3, 0x0000043c, 0x5295ceff, 0x8a9014a7},
- {0xae58b96a, 0x0000082d, 0x000007d2, 0xc2a681ba, 0x6af94089},
- {0x95df24be, 0x00000985, 0x000004c1, 0x3a287765, 0x379fcb42},
- {0x5e94976f, 0x00000596, 0x000004ed, 0xff00c489, 0x991fc1f5},
- {0xf5e5f1de, 0x00000d31, 0x000002ce, 0x35f28e91, 0x543def1a},
- {0xa2c219cf, 0x00000a3c, 0x00000374, 0x707d21eb, 0xa6d28bc1},
- {0xf21b6ceb, 0x00000919, 0x00000135, 0x0847fb8b, 0x224468c2},
- {0xaa988728, 0x00000787, 0x00000771, 0x885aeaa4, 0x814db00b},
- {0xaa5dfaac, 0x000003e5, 0x0000051b, 0x52c48ab7, 0x725bef8a},
- {0x0a053968, 0x00000d2a, 0x000002d5, 0x7a90256d, 0xc53b9402},
- {0x1421dc20, 0x00000eef, 0x00000110, 0x97d6da24, 0x10846935},
- {0xb47c2166, 0x00000a6a, 0x00000209, 0xcfd6cc52, 0x46e2797e},
- {0x77dd1955, 0x000000de, 0x00000266, 0xba74bcaa, 0x4fa3fe9c},
- {0x68a03cc2, 0x0000082f, 0x000007b0, 0x752bd5d8, 0x4f760c63},
- {0x0226b0a3, 0x00000a5f, 0x000005a0, 0x82de4970, 0x8ee1310e},
- {0x637bf3b1, 0x00000d93, 0x0000026c, 0x5c7115cb, 0x9f6a0ced},
- {0x3b120edf, 0x00000c13, 0x000003ec, 0x80d7d20f, 0x241657d5},
- {0xe2456780, 0x000002eb, 0x00000641, 0xc0a5d289, 0x74df96b4},
- {0x9b2e7125, 0x00000c0c, 0x000003f3, 0xcc15f57e, 0x03e290bf},
- {0x153033ef, 0x00000787, 0x000006b6, 0x3cde443b, 0x7bf1d121},
- {0x18458b3f, 0x0000066c, 0x00000561, 0x9a2bd8c6, 0x9d564bef},
- {0x4ff9d4b9, 0x00000c8f, 0x0000033a, 0xd0ee6d6d, 0xee00aa0b},
- {0xdf84b5d9, 0x00000802, 0x0000029a, 0xdab0d74a, 0xd0cb63dc},
- {0x81ee15df, 0x000003ce, 0x00000725, 0x9942e2de, 0xe48fb26b},
- {0x5c768e04, 0x00000afd, 0x00000160, 0x36110831, 0x8dc74483},
- {0xe5e18094, 0x00000b4b, 0x000000a0, 0xffa3e4a7, 0xc0145e1b},
- {0xed7263b6, 0x00000d0d, 0x000002f2, 0xb0006a35, 0x5468ae3a},
- {0x5bfde7d7, 0x000006fb, 0x00000554, 0xa4193b76, 0xb73d34b2},
- {0x67f4a743, 0x00000b85, 0x0000047a, 0xf05c8d8f, 0x4f843e49},
- {0xf13bdf22, 0x00000ff7, 0x00000008, 0x816351eb, 0x41f537f6},
- {0x08ecc608, 0x00000d5d, 0x00000098, 0x90492772, 0xf5172204},
- {0x296f52ba, 0x000004f9, 0x00000788, 0x5e5a4896, 0xe01d5b46},
- {0xbe4624c2, 0x00000427, 0x000004ef, 0xcd267b94, 0x7b9069f4},
- {0x906f7c7c, 0x00000a05, 0x0000003f, 0x03fcfc33, 0x7b6ff563},
- {0x8f7b323e, 0x00000458, 0x000004c7, 0xcd4969c8, 0xd4c22ada},
- {0x88d6593d, 0x00000597, 0x000005b5, 0xf199cd3b, 0x5c3e8ca2},
- {0x978a7768, 0x00000268, 0x000001d3, 0xb28c95bd, 0x49a2cc67},
- {0x857a621e, 0x000007a7, 0x000003a8, 0xf4bf84ab, 0xde26f369},
- {0xb0e121ef, 0x000005be, 0x00000644, 0x28747c14, 0x61d4dc6b},
+ {0xffffffff, 0x00000000, 0x00001000, 0x13934bef, 0xd8ddcdc3},
+ {0xfe7328ea, 0x00000763, 0x00000717, 0xed2c0d70, 0xc863aef8},
+ {0x4c40684e, 0x00000721, 0x0000011e, 0xd7f46ccc, 0x173a11c4},
+ {0x6b487f90, 0x00000264, 0x000007bc, 0x759e9939, 0xd6307c56},
+ {0x9f5810db, 0x00000afa, 0x00000255, 0x2685197f, 0x2e5c9201},
+ {0xb15c4755, 0x00000d5b, 0x000002a4, 0xd8fadcb5, 0xf682c4be},
+ {0x06518253, 0x00000ffb, 0x00000004, 0xabee2433, 0x3d8abdf9},
+ {0xd9e71c55, 0x00000a2a, 0x00000259, 0x96682af2, 0x47b4d26c},
+ {0x0c1ae843, 0x00000ce4, 0x0000031b, 0x7b637c43, 0x62b47e8b},
+ {0xec3cd517, 0x000002ff, 0x00000566, 0x5d719a77, 0xff5bc5b7},
+ {0x77828e95, 0x0000067f, 0x0000038f, 0x43ee5b6c, 0x1a0cfacd},
+ {0xec87b4e3, 0x00000d1c, 0x000002e3, 0x2ddd2eee, 0x275118a7},
+ {0x412158bb, 0x00000eee, 0x00000111, 0x67b38ba2, 0xa74ecff5},
+ {0x2e52de3e, 0x00000c4a, 0x000003b5, 0xbcc5d61d, 0xbd800707},
+ {0x6ddaae8b, 0x00000d99, 0x00000266, 0x8b535544, 0xecbde1a1},
+ {0x049b6cb1, 0x000009c5, 0x000000b0, 0xfc22cabc, 0xfb78eb9f},
+ {0x77d4b954, 0x0000028a, 0x000007fa, 0x71d00923, 0x8c116f85},
+ {0x5e192355, 0x00000ac1, 0x000001fa, 0xb966b81a, 0x5aa17bbe},
+ {0x7d80b71d, 0x00000213, 0x000001e0, 0x2bba371a, 0xb5906aa6},
+ {0x01f6f1e4, 0x000001d6, 0x00000395, 0xb7e8a647, 0x3ad112b1},
+ {0x1dfabb13, 0x00000e14, 0x000001eb, 0x53917fba, 0xbaee0339},
+ {0xb00a4449, 0x00000bf6, 0x00000409, 0xedecb577, 0x6f3a3979},
+ {0x7ecd3981, 0x0000083f, 0x0000016b, 0xefef62b9, 0xe3e52eed},
+ {0xf8f330d2, 0x000004be, 0x00000757, 0x9357c9f3, 0x0835bc1b},
+ {0x03c38af2, 0x00000d23, 0x000002dc, 0x360fa8c0, 0x2ca885e6},
+ {0x687bb79b, 0x00000f3d, 0x000000c2, 0x448d3be2, 0x79be2f78},
+ {0x6710f550, 0x000009e9, 0x00000603, 0xdbfd1998, 0x1d25f627},
+ {0x873171d1, 0x00000787, 0x000004d5, 0xab7f1b62, 0xa76a5656},
+ {0x373b1314, 0x00000f0f, 0x000000f0, 0x184098ab, 0xba273974},
+ {0x90fad9cd, 0x00000ead, 0x00000152, 0x23ce52ff, 0xb7bc958c},
+ {0x19676fe7, 0x0000007d, 0x0000070d, 0xf8a76f1e, 0xf882b644},
+ {0x89facd45, 0x000005f3, 0x00000473, 0x4331a006, 0xe9dc1396},
+ {0x6f173747, 0x00000fc3, 0x0000003c, 0xb012f08e, 0xc6b888ee},
+ {0x4b44a106, 0x0000075a, 0x0000008b, 0xf6f7ac38, 0x60cd2b74},
+ {0xb620ad06, 0x00000774, 0x0000017e, 0xd34558e6, 0x3a0a615b},
+ {0x976f21e9, 0x000008d7, 0x0000034a, 0xe533aa3a, 0xa99e60be},
+ {0x687628c0, 0x000006c5, 0x0000061b, 0x3a840b15, 0x9bfcaef2},
+ {0xe24ac108, 0x00000cd0, 0x0000032f, 0x51010ae8, 0x20958672},
+ {0x361c44a3, 0x00000304, 0x00000719, 0xfd7bd481, 0xd70ff2b2},
+ {0xd93ff95e, 0x00000db7, 0x0000008e, 0xcfbbc304, 0xad716acd},
+ {0xed752d12, 0x00000883, 0x00000091, 0x65a6c868, 0x95c71c7b},
+ {0xb4ff4b54, 0x000003d3, 0x000001c1, 0xf82597e7, 0x44b7f99b},
+ {0x111b520f, 0x00000708, 0x000000eb, 0xc3e109f3, 0x71bc01ee},
+ {0x62c806f2, 0x00000ba3, 0x0000045c, 0x874d3a72, 0xc539b753},
+ {0x40d97470, 0x000005e1, 0x0000058d, 0x87a9684f, 0xea6073a5},
+ {0x4312179c, 0x00000056, 0x0000070e, 0x809a00f5, 0x209aea3b},
+ {0x13d5f84c, 0x00000a2d, 0x00000104, 0xf3d27578, 0xe087a8b6},
+ {0x1f302cb2, 0x00000151, 0x00000014, 0x1e162693, 0x95e4b90e},
+ {0xe491db24, 0x00000600, 0x000006f6, 0x7ff09615, 0x77611523},
+ {0xf9a98069, 0x000002ba, 0x000002ad, 0x01af7387, 0xea925faa},
+ {0xe9c477ad, 0x0000015f, 0x00000778, 0x6facf9a0, 0x1130f736},
+ {0x353f32b2, 0x0000087c, 0x00000783, 0x6cc964ea, 0x32459994},
+ {0x78e1b24f, 0x00000650, 0x000006a8, 0xb3bb7c27, 0x5a632f78},
+ {0x61aa400e, 0x00000049, 0x00000254, 0xb8cd1681, 0xdf2652d5},
+ {0xb84b10b0, 0x00000f73, 0x0000008c, 0x406a6450, 0x3619d31b},
+ {0x9fa99c9c, 0x00000a7c, 0x000004d7, 0xfb3d21b4, 0xea31c743},
+ {0x3fc9ebe3, 0x00000cd9, 0x000000d6, 0x43803f9c, 0x1f76a809},
+ {0x529879cd, 0x000002f2, 0x00000595, 0x78b4c6a6, 0x63b9b93f},
+ {0x3a933019, 0x00000516, 0x00000266, 0xdcb45436, 0x8f99c98c},
+ {0x887b4977, 0x00000227, 0x0000038d, 0xc5f7c3d9, 0xaf5e3091},
+ {0x770745de, 0x000008c6, 0x00000739, 0xf69145e8, 0x53d0dce1},
+ {0x28be3b47, 0x00000c46, 0x0000032b, 0x764c028f, 0x106d0905},
+ {0x5013a050, 0x00000cf6, 0x00000309, 0xea8fe164, 0x62180b57},
+ {0x2ec4c9ba, 0x000006e8, 0x0000078d, 0xa35557a9, 0xf44430a4},
+ {0xa9f950c9, 0x00000d33, 0x000002cc, 0x41ea8618, 0x587b4eb3},
+ {0x5b520229, 0x000007b2, 0x00000484, 0x44569f1f, 0x92406c32},
+ {0xd8dcbbfc, 0x0000002f, 0x0000048c, 0xdb88ab8b, 0x13bfe70e},
+ {0x25529792, 0x00000d1d, 0x000002e2, 0x20cda404, 0x19d3b4e4},
+ {0x9f3f6d71, 0x00000238, 0x0000079a, 0x0720443e, 0x3c107021},
+ {0x64121215, 0x000007ff, 0x0000038f, 0x6aacff2c, 0xb82fdc3e},
+ {0xfb6cdde0, 0x00000ef8, 0x00000107, 0xbd43a0f1, 0xab0d3c1d},
+ {0x221c9d6f, 0x000007b6, 0x0000014f, 0xb67f834b, 0x1371ad05},
+ {0x030e1de4, 0x00000836, 0x000004b4, 0x0d67d26a, 0xe2e72df1},
+ {0xb56fa6cf, 0x00000c07, 0x000003f8, 0x60601ac1, 0x039de73e},
+ {0xb55c89f5, 0x0000098e, 0x000001d4, 0x2400efbe, 0xfe39a2bb},
+ {0x5e90b6d5, 0x0000070b, 0x000003ea, 0x3bb5d6ea, 0xf0f794a0},
+ {0x2a7045ae, 0x00000961, 0x00000633, 0xfca89e4b, 0xe66ce41c},
+ {0x8b374ea9, 0x000006ba, 0x00000780, 0xbce036ed, 0x4cb28ef7},
+ {0x8bd90bc9, 0x00000562, 0x00000369, 0xcb26a24b, 0x40236d1d},
+ {0x5b1b1762, 0x000000fd, 0x0000051a, 0x33cdda07, 0xc32e420a},
+ {0xa4153555, 0x0000058f, 0x000005c7, 0xbe50eeca, 0x83a67f35},
+ {0x0be1f931, 0x00000651, 0x00000672, 0x95a25753, 0x88f1aac1},
+ {0xb7e78618, 0x00000a7f, 0x000002bb, 0xe06bcc1c, 0x74274f66},
+ {0x4a9bc41b, 0x00000e51, 0x000001ae, 0x709e8d2c, 0x54eff534},
+ {0xfc359d13, 0x00000440, 0x000002f8, 0x0a58451f, 0x55e9363f},
+ {0x5aa48619, 0x000006d1, 0x00000284, 0x928ead83, 0x31041c06},
+ {0xa609afa8, 0x0000053e, 0x00000272, 0xb048c141, 0x4704efba},
+ {0x3f108afb, 0x00000949, 0x00000150, 0x9a6bb5bc, 0x4e4430c8},
+ {0x79bec2d3, 0x000008ed, 0x00000712, 0x32692d57, 0x11d52a7b},
+ {0x9429e067, 0x00000bc3, 0x0000043c, 0x5295ceff, 0x04640f4d},
+ {0xae58b96a, 0x0000082d, 0x000007d2, 0xc2a681ba, 0xf7ca4a2c},
+ {0x95df24be, 0x00000985, 0x000004c1, 0x3a287765, 0x2c4af003},
+ {0x5e94976f, 0x00000596, 0x000004ed, 0xff00c489, 0x5ae11687},
+ {0xf5e5f1de, 0x00000d31, 0x000002ce, 0x35f28e91, 0x30d47957},
+ {0xa2c219cf, 0x00000a3c, 0x00000374, 0x707d21eb, 0x2a14a255},
+ {0xf21b6ceb, 0x00000919, 0x00000135, 0x0847fb8b, 0xcb8d3b93},
+ {0xaa988728, 0x00000787, 0x00000771, 0x885aeaa4, 0x6531b509},
+ {0xaa5dfaac, 0x000003e5, 0x0000051b, 0x52c48ab7, 0xe43cc5e9},
+ {0x0a053968, 0x00000d2a, 0x000002d5, 0x7a90256d, 0x8004765c},
+ {0x1421dc20, 0x00000eef, 0x00000110, 0x97d6da24, 0x1378f6ff},
+ {0xb47c2166, 0x00000a6a, 0x00000209, 0xcfd6cc52, 0x676e14a5},
+ {0x77dd1955, 0x000000de, 0x00000266, 0xba74bcaa, 0xc71b429c},
+ {0x68a03cc2, 0x0000082f, 0x000007b0, 0x752bd5d8, 0x19ed14aa},
+ {0x0226b0a3, 0x00000a5f, 0x000005a0, 0x82de4970, 0xf654d3ed},
+ {0x637bf3b1, 0x00000d93, 0x0000026c, 0x5c7115cb, 0x3cccb57e},
+ {0x3b120edf, 0x00000c13, 0x000003ec, 0x80d7d20f, 0x92132798},
+ {0xe2456780, 0x000002eb, 0x00000641, 0xc0a5d289, 0x6160c87a},
+ {0x9b2e7125, 0x00000c0c, 0x000003f3, 0xcc15f57e, 0x6f00f637},
+ {0x153033ef, 0x00000787, 0x000006b6, 0x3cde443b, 0xb46caa6e},
+ {0x18458b3f, 0x0000066c, 0x00000561, 0x9a2bd8c6, 0xb6c29121},
+ {0x4ff9d4b9, 0x00000c8f, 0x0000033a, 0xd0ee6d6d, 0xc81cf380},
+ {0xdf84b5d9, 0x00000802, 0x0000029a, 0xdab0d74a, 0xb2464559},
+ {0x81ee15df, 0x000003ce, 0x00000725, 0x9942e2de, 0x4ccf571b},
+ {0x5c768e04, 0x00000afd, 0x00000160, 0x36110831, 0xae0b305a},
+ {0xe5e18094, 0x00000b4b, 0x000000a0, 0xffa3e4a7, 0x6c8a4f09},
+ {0xed7263b6, 0x00000d0d, 0x000002f2, 0xb0006a35, 0x7e04af8c},
+ {0x5bfde7d7, 0x000006fb, 0x00000554, 0xa4193b76, 0xb3a91d12},
+ {0x67f4a743, 0x00000b85, 0x0000047a, 0xf05c8d8f, 0xfb472fdf},
+ {0xf13bdf22, 0x00000ff7, 0x00000008, 0x816351eb, 0xf347f235},
+ {0x08ecc608, 0x00000d5d, 0x00000098, 0x90492772, 0x0b7f1521},
+ {0x296f52ba, 0x000004f9, 0x00000788, 0x5e5a4896, 0x1cc67088},
+ {0xbe4624c2, 0x00000427, 0x000004ef, 0xcd267b94, 0x550caefd},
+ {0x906f7c7c, 0x00000a05, 0x0000003f, 0x03fcfc33, 0x9ed82a02},
+ {0x8f7b323e, 0x00000458, 0x000004c7, 0xcd4969c8, 0x633c38a8},
+ {0x88d6593d, 0x00000597, 0x000005b5, 0xf199cd3b, 0x0491452f},
+ {0x978a7768, 0x00000268, 0x000001d3, 0xb28c95bd, 0x1a42fe61},
+ {0x857a621e, 0x000007a7, 0x000003a8, 0xf4bf84ab, 0xcd0694c6},
+ {0xb0e121ef, 0x000005be, 0x00000644, 0x28747c14, 0xf0510c72},
{0, 0, 0, 0, 0},
};
@@ -1114,15 +902,15 @@ static int test_crc32c(void)
while (t->length) {
uint32_t be, le;
le = ext2fs_crc32c_le(t->crc, test_buf + t->start, t->length);
- be = ext2fs_crc32c_be(t->crc, test_buf + t->start, t->length);
- if (le != t->crc_le) {
+ be = ext2fs_crc32_be(t->crc, test_buf + t->start, t->length);
+ if (le != t->crc32c_le) {
printf("Test %d LE fails, %x != %x\n",
- (t - test), le, t->crc_le);
+ (t - test), le, t->crc32c_le);
failures++;
}
- if (be != t->crc_be) {
+ if (be != t->crc32_be) {
printf("Test %d BE fails, %x != %x\n",
- (t - test), be, t->crc_be);
+ (t - test), be, t->crc32_be);
failures++;
}
t++;
diff --git a/lib/ext2fs/crc32c_defs.h b/lib/ext2fs/crc32c_defs.h
index 023f2c0..3f9a09e 100644
--- a/lib/ext2fs/crc32c_defs.h
+++ b/lib/ext2fs/crc32c_defs.h
@@ -1,10 +1,18 @@
/*
+ * There are multiple 16-bit CRC polynomials in common use, but this is
+ * *the* standard CRC-32 polynomial, first popularized by Ethernet.
+ * x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x^1+x^0
+ */
+#define CRCPOLY_LE 0xedb88320
+#define CRCPOLY_BE 0x04c11db7
+
+/*
* This is the CRC32c polynomial, as outlined by Castagnoli.
* x^32+x^28+x^27+x^26+x^25+x^23+x^22+x^20+x^19+x^18+x^14+x^13+x^11+x^10+x^9+
* x^8+x^6+x^0
*/
-#define CRCPOLY_LE 0x82F63B78
-#define CRCPOLY_BE 0x1EDC6F41
+#define CRC32C_POLY_LE 0x82F63B78
+#define CRC32C_POLY_BE 0x1EDC6F41
/* How many bits at a time to use. Valid values are 1, 2, 4, 8, 32 and 64. */
/* For less performance-sensitive, use 4 */
diff --git a/lib/ext2fs/ext2fs.h b/lib/ext2fs/ext2fs.h
index cd6c0b2..28cb626 100644
--- a/lib/ext2fs/ext2fs.h
+++ b/lib/ext2fs/ext2fs.h
@@ -956,7 +956,7 @@ extern int ext2fs_super_and_bgd_loc(ext2_filsys fs,
extern void ext2fs_update_dynamic_rev(ext2_filsys fs);
/* crc32c.c */
-extern __u32 ext2fs_crc32c_be(__u32 crc, unsigned char const *p, size_t len);
+extern __u32 ext2fs_crc32_be(__u32 crc, unsigned char const *p, size_t len);
extern __u32 ext2fs_crc32c_le(__u32 crc, unsigned char const *p, size_t len);
/* csum.c */
diff --git a/lib/ext2fs/gen_crc32ctable.c b/lib/ext2fs/gen_crc32ctable.c
index 9996e9d..a0742ee 100644
--- a/lib/ext2fs/gen_crc32ctable.c
+++ b/lib/ext2fs/gen_crc32ctable.c
@@ -4,23 +4,27 @@
#define ENTRIES_PER_LINE 4
-#if CRC_LE_BITS <= 8
-#define LE_TABLE_SIZE (1 << CRC_LE_BITS)
+#if CRC_LE_BITS > 8
+# define LE_TABLE_ROWS (CRC_LE_BITS/8)
+# define LE_TABLE_SIZE 256
#else
-#define LE_TABLE_SIZE 256
+# define LE_TABLE_ROWS 1
+# define LE_TABLE_SIZE (1 << CRC_LE_BITS)
#endif
-#if CRC_BE_BITS <= 8
-#define BE_TABLE_SIZE (1 << CRC_BE_BITS)
+#if CRC_BE_BITS > 8
+# define BE_TABLE_ROWS (CRC_BE_BITS/8)
+# define BE_TABLE_SIZE 256
#else
-#define BE_TABLE_SIZE 256
+# define BE_TABLE_ROWS 1
+# define BE_TABLE_SIZE (1 << CRC_BE_BITS)
#endif
-static uint32_t crc32ctable_le[8][256];
-static uint32_t crc32ctable_be[8][256];
+static uint32_t crc32table_be[BE_TABLE_ROWS][256];
+static uint32_t crc32ctable_le[LE_TABLE_ROWS][256];
/**
- * crc32cinit_le() - allocate and initialize LE table data
+ * crc32init_le() - allocate and initialize LE table data
*
* crc is the crc of the byte i; other entries are filled in based on the
* fact that crctable[i^j] = crctable[i] ^ crctable[j].
@@ -34,13 +38,13 @@ static void crc32cinit_le(void)
crc32ctable_le[0][0] = 0;
for (i = LE_TABLE_SIZE >> 1; i; i >>= 1) {
- crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);
+ crc = (crc >> 1) ^ ((crc & 1) ? CRC32C_POLY_LE : 0);
for (j = 0; j < LE_TABLE_SIZE; j += 2 * i)
crc32ctable_le[0][i + j] = crc ^ crc32ctable_le[0][j];
}
for (i = 0; i < LE_TABLE_SIZE; i++) {
crc = crc32ctable_le[0][i];
- for (j = 1; j < 8; j++) {
+ for (j = 1; j < LE_TABLE_ROWS; j++) {
crc = crc32ctable_le[0][crc & 0xff] ^ (crc >> 8);
crc32ctable_le[j][i] = crc;
}
@@ -48,75 +52,65 @@ static void crc32cinit_le(void)
}
/**
- * crc32cinit_be() - allocate and initialize BE table data
+ * crc32init_be() - allocate and initialize BE table data
*/
-static void crc32cinit_be(void)
+static void crc32init_be(void)
{
unsigned i, j;
uint32_t crc = 0x80000000;
- crc32ctable_be[0][0] = 0;
+ crc32table_be[0][0] = 0;
for (i = 1; i < BE_TABLE_SIZE; i <<= 1) {
crc = (crc << 1) ^ ((crc & 0x80000000) ? CRCPOLY_BE : 0);
for (j = 0; j < i; j++)
- crc32ctable_be[0][i + j] = crc ^ crc32ctable_be[0][j];
+ crc32table_be[0][i + j] = crc ^ crc32table_be[0][j];
}
for (i = 0; i < BE_TABLE_SIZE; i++) {
- crc = crc32ctable_be[0][i];
- for (j = 1; j < 8; j++) {
- crc = crc32ctable_be[0][(crc >> 24) & 0xff] ^
- (crc << 8);
- crc32ctable_be[j][i] = crc;
+ crc = crc32table_be[0][i];
+ for (j = 1; j < BE_TABLE_ROWS; j++) {
+ crc = crc32table_be[0][(crc >> 24) & 0xff] ^ (crc << 8);
+ crc32table_be[j][i] = crc;
}
}
}
-static void output_table(uint32_t table[8][256], int len, char trans)
+static void output_table(uint32_t (*table)[256], int rows, int len, char *trans)
{
int i, j;
- for (j = 0 ; j < 8; j++) {
- printf("static const uint32_t t%d_%ce[] = {", j, trans);
+ for (j = 0 ; j < rows; j++) {
+ printf("{");
for (i = 0; i < len - 1; i++) {
- if ((i % ENTRIES_PER_LINE) == 0)
+ if (i % ENTRIES_PER_LINE == 0)
printf("\n");
- printf("to%ce(0x%8.8xL),", trans, table[j][i]);
- if ((i % ENTRIES_PER_LINE) != (ENTRIES_PER_LINE - 1))
- printf(" ");
- }
- printf("to%ce(0x%8.8xL)};\n\n", trans, table[j][len - 1]);
-
- if (trans == 'l') {
- if ((j+1)*8 >= CRC_LE_BITS)
- break;
- } else {
- if ((j+1)*8 >= CRC_BE_BITS)
- break;
+ printf("%s(0x%8.8xL), ", trans, table[j][i]);
}
+ printf("%s(0x%8.8xL)},\n", trans, table[j][len - 1]);
}
}
int main(int argc, char **argv)
{
- printf("/*\n");
- printf(" * crc32ctable.h - CRC32c tables\n");
- printf(" * this file is generated - do not edit\n");
- printf(" * # gen_crc32ctable > crc32c_table.h\n");
- printf(" * with\n");
- printf(" * CRC_LE_BITS = %d\n", CRC_LE_BITS);
- printf(" * CRC_BE_BITS = %d\n", CRC_BE_BITS);
- printf(" */\n");
- printf("#include <stdint.h>\n");
+ printf("/* this file is generated - do not edit */\n\n");
+ if (CRC_BE_BITS > 1) {
+ crc32init_be();
+ printf("static const uint32_t "
+ "crc32table_be[%d][%d] = {",
+ BE_TABLE_ROWS, BE_TABLE_SIZE);
+ output_table(crc32table_be, LE_TABLE_ROWS,
+ BE_TABLE_SIZE, "tobe");
+ printf("};\n");
+ }
if (CRC_LE_BITS > 1) {
crc32cinit_le();
- output_table(crc32ctable_le, LE_TABLE_SIZE, 'l');
- }
-
- if (CRC_BE_BITS > 1) {
- crc32cinit_be();
- output_table(crc32ctable_be, BE_TABLE_SIZE, 'b');
+ printf("static const uint32_t "
+ "crc32ctable_le[%d][%d] = {",
+ LE_TABLE_ROWS, LE_TABLE_SIZE);
+ output_table(crc32ctable_le, LE_TABLE_ROWS,
+ LE_TABLE_SIZE, "tole");
+ printf("};\n");
}
return 0;
--
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