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/*
* 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[] = {
"x86_64", "x86_64:i686:i586:i486:i386",
"i686", "i686:i586:i486:i386",
"i586", "i586:i486:i386",
"i486", "i486:i386",
"i386", "i386",
"s390x", "s390x:s390",
"s390", "s390",
"ia64", "ia64:i686:i586:i486:i386",
"ppc64", "ppc64:ppc",
"ppc", "ppc",
"armv7tnhl", "arvm7tnhl:armv7thl:armv7nhl:armv7hl",
"armv7thl", "armv7thl:armv7hl",
"armv7nhl", "armv7nhl:armv7hl",
"armv7hl", "armv7hl",
"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",
"armv5l", "armv5l:armv4tl:armv4l:armv3l",
"armv4tl", "armv4tl:armv4l:armv3l",
"armv4l", "armv4l:armv3l",
"armv3l", "armv3l",
"sh3", "sh3",
"sh4", "sh4",
"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",
"sparc", "sparc",
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))
break;
if (archpolicies[i])
arch = archpolicies[i + 1];
else
arch = "";
}
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;
}
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