Commit 98ec302b authored by H. Peter Anvin's avatar H. Peter Anvin Committed by Linus Torvalds

md: raid6: Fix mktable.c

Make both mktables.c and its output CodingStyle compliant.  Update the
copyright notice.
Signed-off-by: default avatarH. Peter Anvin <hpa@zytor.com>
Signed-off-by: default avatarNeil Brown <neilb@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 54212cf4
#ident "$Id: mktables.c,v 1.2 2002/12/12 22:41:27 hpa Exp $"
/* ----------------------------------------------------------------------- *
/* -*- linux-c -*- ------------------------------------------------------- *
*
* Copyright 2002 H. Peter Anvin - All Rights Reserved
* Copyright 2002-2007 H. Peter Anvin - All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, Inc., 53 Temple Place Ste 330,
* Bostom MA 02111-1307, USA; either version 2 of the License, or
* (at your option) any later version; incorporated herein by reference.
* This file is part of the Linux kernel, and is made available under
* the terms of the GNU General Public License version 2 or (at your
* option) any later version; incorporated herein by reference.
*
* ----------------------------------------------------------------------- */
......@@ -73,8 +70,8 @@ int main(int argc, char *argv[])
for (j = 0; j < 256; j += 8) {
printf("\t\t");
for (k = 0; k < 8; k++)
printf("0x%02x, ", gfmul(i, j+k));
printf("\n");
printf("0x%02x,%c", gfmul(i, j + k),
(k == 7) ? '\n' : ' ');
}
printf("\t},\n");
}
......@@ -83,47 +80,41 @@ int main(int argc, char *argv[])
/* Compute power-of-2 table (exponent) */
v = 1;
printf("\nconst u8 __attribute__((aligned(256)))\n"
"raid6_gfexp[256] =\n"
"{\n");
"raid6_gfexp[256] =\n" "{\n");
for (i = 0; i < 256; i += 8) {
printf("\t");
for (j = 0; j < 8; j++) {
exptbl[i+j] = v;
printf("0x%02x, ", v);
exptbl[i + j] = v;
printf("0x%02x,%c", v, (j == 7) ? '\n' : ' ');
v = gfmul(v, 2);
if (v == 1)
v = 0; /* For entry 255, not a real entry */
}
printf("\n");
}
printf("};\n");
/* Compute inverse table x^-1 == x^254 */
printf("\nconst u8 __attribute__((aligned(256)))\n"
"raid6_gfinv[256] =\n"
"{\n");
"raid6_gfinv[256] =\n" "{\n");
for (i = 0; i < 256; i += 8) {
printf("\t");
for (j = 0; j < 8; j++) {
v = gfpow(i+j, 254);
invtbl[i+j] = v;
printf("0x%02x, ", v);
invtbl[i + j] = v = gfpow(i + j, 254);
printf("0x%02x,%c", v, (j == 7) ? '\n' : ' ');
}
printf("\n");
}
printf("};\n");
/* Compute inv(2^x + 1) (exponent-xor-inverse) table */
printf("\nconst u8 __attribute__((aligned(256)))\n"
"raid6_gfexi[256] =\n"
"{\n");
"raid6_gfexi[256] =\n" "{\n");
for (i = 0; i < 256; i += 8) {
printf("\t");
for (j = 0; j < 8; j++)
printf("0x%02x, ", invtbl[exptbl[i+j]^1]);
printf("\n");
printf("0x%02x,%c", invtbl[exptbl[i + j] ^ 1],
(j == 7) ? '\n' : ' ');
}
printf("};\n\n");
printf("};\n");
return 0;
}
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