summaryrefslogtreecommitdiff
path: root/src/poolarch.c
blob: 83cbd6266f358e625ca9550ad52b59c2e975930f (plain)
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
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
/*
 * Copyright (c) 2007, Novell Inc.
 *
 * This program is licensed under the BSD license, read LICENSE.BSD
 * for further information
 */

/*
 * poolarch.c
 *
 * create architecture policies
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "pool.h"
#include "poolid.h"
#include "poolarch.h"
#include "util.h"

static const char *archpolicies[] = {
#if defined(FEDORA) || defined(MAGEIA)
  "x86_64",	"x86_64:athlon:i686:i586:i486:i386",
#else
  "x86_64",	"x86_64:i686:i586:i486:i386",
#endif
  "i686",	"i686:i586:i486:i386",
  "i586",	"i586:i486:i386",
  "i486",	"i486:i386",
  "s390x",	"s390x:s390",
  "ppc64",	"ppc64:ppc",
  "ppc64p7",	"ppc64p7:ppc64:ppc",
  "ia64",	"ia64:i686:i586:i486:i386",
  "armv7hnl",	"armv7hnl:armv7hl:armv6hl",
  "armv7hl",	"armv7hl:armv6hl",
  "armv7l",	"armv7l:armv6l:armv5tejl:armv5tel:armv5l:armv4tl:armv4l:armv3l",
  "armv6l",	"armv6l:armv5tejl:armv5tel:armv5l:armv4tl:armv4l:armv3l",
  "armv5tejl",	"armv5tejl:armv5tel:armv5l:armv4tl:armv4l:armv3l",
  "armv5tel",	"armv5tel:armv5l:armv4tl:armv4l:armv3l",
  "armv5tl",	"armv5l:armv4tl:armv4l:armv3l",
  "armv5l",	"armv5l:armv4tl:armv4l:armv3l",
  "armv4tl",	"armv4tl:armv4l:armv3l",
  "armv4l",	"armv4l:armv3l",
  "sh4a",	"sh4a:sh4",
  "sparc64v",	"sparc64v:sparc64:sparcv9v:sparcv9:sparcv8:sparc",
  "sparc64",	"sparc64:sparcv9:sparcv8:sparc",
  "sparcv9v",	"sparcv9v:sparcv9:sparcv8:sparc",
  "sparcv9",	"sparcv9:sparcv8:sparc",
  "sparcv8",	"sparcv8:sparc",
#if defined(FEDORA) || defined(MAGEIA)
  "ia32e",	"ia32e:x86_64:athlon:i686:i586:i486:i386",
  "athlon",	"athlon:i686:i586:i486:i386",
  "amd64",	"amd64:x86_64:athlon:i686:i586:i486:i386",
  "geode",	"geode:i586:i486:i386",
  "ppc64iseries", "ppc64iseries:ppc64:ppc",
  "ppc64pseries", "ppc64pseries:ppc64:ppc",
#endif
  0
};

void
pool_setarch(Pool *pool, const char *arch)
{
  if (arch)
    {
      int i;
      /* convert arch to known policy */
      for (i = 0; archpolicies[i]; i += 2)
	if (!strcmp(archpolicies[i], arch))
	  {
	    arch = archpolicies[i + 1];
	    break;
	  }
    }
  pool_setarchpolicy(pool, arch);
}

/*
 * we support three relations:
 *
 * a = b   both architectures a and b are treated as equivalent
 * a > b   a is considered a "better" architecture, the solver
 *         should change from a to b, but must not change from b to a
 * a : b   a is considered a "better" architecture, the solver
 *         must not change the architecture from a to b or b to a
 */
void
pool_setarchpolicy(Pool *pool, const char *arch)
{
  unsigned int score = 0x10001;
  size_t l;
  char d;
  Id *id2arch;
  Id id, lastarch;

  pool->id2arch = solv_free(pool->id2arch);
  pool->id2color = solv_free(pool->id2color);
  if (!arch)
    {
      pool->lastarch = 0;
      return;
    }
  id = pool->noarchid;
  lastarch = id + 255;
  id2arch = solv_calloc(lastarch + 1, sizeof(Id));
  id2arch[id] = 1;	/* the "noarch" class */

  d = 0;
  while (*arch)
    {
      l = strcspn(arch, ":=>");
      if (l)
	{
	  id = pool_strn2id(pool, arch, l, 1);
	  if (id > lastarch)
	    {
	      id2arch = solv_realloc2(id2arch, (id + 255 + 1), sizeof(Id));
	      memset(id2arch + lastarch + 1, 0, (id + 255 - lastarch) * sizeof(Id));
	      lastarch = id + 255;
	    }
	  if (id2arch[id] == 0)
	    {
	      if (d == ':')
		score += 0x10000;
	      else if (d == '>')
		score += 0x00001;
	      id2arch[id] = score;
	    }
	}
      arch += l;
      if ((d = *arch++) == 0)
	break;
    }
  pool->id2arch = id2arch;
  pool->lastarch = lastarch;
}

unsigned char
pool_arch2color_slow(Pool *pool, Id arch)
{
  const char *s;
  unsigned char color;

  if (arch > pool->lastarch)
    return ARCHCOLOR_ALL;
  if (!pool->id2color)
    pool->id2color = solv_calloc(pool->lastarch + 1, 1);
  s = pool_id2str(pool, arch);
  if (arch == ARCH_NOARCH || arch == ARCH_ALL || arch == ARCH_ANY)
    color = ARCHCOLOR_ALL;
  else if (!strcmp(s, "s390x") || strstr(s, "64"))
    color = ARCHCOLOR_64;
  else
    color = ARCHCOLOR_32;
  pool->id2color[arch] = color;
  return color;
}