1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
/* Generate data for fpioconst.c.
Copyright (C) 2012-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gmp.h>
#include <stdint.h>
int
main (void)
{
FILE *out32 = fopen ("fpioconst-32", "w");
if (out32 == NULL)
abort ();
FILE *out64 = fopen ("fpioconst-64", "w");
if (out64 == NULL)
abort ();
FILE *outtable = fopen ("fpioconst-table", "w");
if (outtable == NULL)
abort ();
mpz_t p;
mpz_init (p);
for (int i = 0; i <= 14; i++)
{
int j = 1 << i;
mpz_ui_pow_ui (p, 10, j - 1);
int exp_m = mpz_sizeinbase (p, 2);
mpz_ui_pow_ui (p, 10, j);
int exp_p = mpz_sizeinbase (p, 2);
int size32 = 2 + (exp_p + 31) / 32;
int size64 = 1 + (exp_p + 63) / 64;
uint32_t data32[size32];
uint64_t data64[size64];
memset (data32, 0, sizeof data32);
memset (data64, 0, sizeof data64);
mpz_export (data32 + 2, NULL, -1, 4, 0, 0, p);
mpz_export (data64 + 1, NULL, -1, 8, 0, 0, p);
if (i == 0)
{
fprintf (out32, "#define TENS_P%d_IDX\t0\n", i);
fprintf (out64, "#define TENS_P%d_IDX\t0\n", i);
}
else
{
fprintf (out32, "#define TENS_P%d_IDX\t"
"(TENS_P%d_IDX + TENS_P%d_SIZE)\n",
i, i - 1, i - 1);
fprintf (out64, "#define TENS_P%d_IDX\t"
"(TENS_P%d_IDX + TENS_P%d_SIZE)\n",
i, i - 1, i - 1);
}
fprintf (out32, "#define TENS_P%d_SIZE\t%d\n", i, size32);
fprintf (out64, "#define TENS_P%d_SIZE\t%d\n", i, size64);
for (int k = 0; k < size32; k++)
{
if (k == 0)
fprintf (out32, " [TENS_P%d_IDX] = ", i);
else if (k % 6 == 5)
fprintf (out32, "\n ");
else
fprintf (out32, " ");
fprintf (out32, "0x%08"PRIx32",", data32[k]);
}
for (int k = 0; k < size64; k++)
{
if (k == 0)
fprintf (out64, " [TENS_P%d_IDX] = ", i);
else if (k % 3 == 2)
fprintf (out64, "\n ");
else
fprintf (out64, " ");
fprintf (out64, "0x%016"PRIx64"ull,", data64[k]);
}
fprintf (out32, "\n\n");
fprintf (out64, "\n\n");
const char *t = (i >= 10 ? "\t" : "\t\t");
if (i == 0)
fprintf (outtable, " { TENS_P%d_IDX, TENS_P%d_SIZE,%s%d,\t },\n",
i, i, t, exp_p);
else
fprintf (outtable, " { TENS_P%d_IDX, TENS_P%d_SIZE,%s%d,\t%5d },\n",
i, i, t, exp_p, exp_m);
}
if (fclose (out32) != 0)
abort ();
if (fclose (out64) != 0)
abort ();
if (fclose (outtable) != 0)
abort ();
return 0;
}
|
GitWeb