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authorLennart Poettering <lennart@poettering.net>2014-02-21 02:06:04 +0100
committerLennart Poettering <lennart@poettering.net>2014-02-21 02:43:14 +0100
commit099524d7b0df690e3361ffc3fe3c6aed0558b4fc (patch)
tree9983d7ff3452ce44a2a8150e124d01e998f8dbd9 /src/shared
parenta03c5fd2d86c4e3f758a5ca0d98638e5c8bd8d8d (diff)
core: add new ConditionArchitecture() that checks the architecture returned by uname()'s machine field.
Diffstat (limited to 'src/shared')
-rw-r--r--src/shared/architecture.c159
-rw-r--r--src/shared/architecture.h105
-rw-r--r--src/shared/condition-util.c26
-rw-r--r--src/shared/condition-util.h2
4 files changed, 291 insertions, 1 deletions
diff --git a/src/shared/architecture.c b/src/shared/architecture.c
new file mode 100644
index 0000000000..1dc5fa5c0f
--- /dev/null
+++ b/src/shared/architecture.c
@@ -0,0 +1,159 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2014 Lennart Poettering
+
+ systemd 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.
+
+ systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <sys/utsname.h>
+
+#include "architecture.h"
+
+Architecture uname_architecture(void) {
+
+ /* Return a sanitized enum identifying the architecture we are
+ * running on. This is based on uname(), and the user may
+ * hence control what this returns by using
+ * personality(). This puts the user in control on systems
+ * that can run binaries of multiple architectures.
+ *
+ * We do not translate the string returned by uname()
+ * 1:1. Instead we try to clean it up and break down the
+ * confusion on x86 and arm in particular.
+ *
+ * We do not try to distuingish CPUs not CPU features, but
+ * actual architectures, i.e. that have genuinely different
+ * code. */
+
+ static const struct {
+ const char *machine;
+ Architecture arch;
+ } arch_map[] = {
+#if defined(__x86_64__) || defined(__i386__)
+ { "x86_64", ARCHITECTURE_X86_64 },
+ { "i686", ARCHITECTURE_X86 },
+ { "i586", ARCHITECTURE_X86 },
+ { "i486", ARCHITECTURE_X86 },
+ { "i386", ARCHITECTURE_X86 },
+#elif defined(__powerpc__) || defined(__powerpc64__)
+ { "ppc64", ARCHITECTURE_PPC64 },
+ { "ppc", ARCHITECTURE_PPC },
+#elif defined(__ia64__)
+ { "ia64", ARCHITECTURE_IA64 },
+#elif defined(__hppa__) || defined(__hppa64__)
+ { "parisc64", ARCHITECTURE_PARISC64 },
+ { "parisc", ARCHITECTURE_PARISC },
+#elif defined(__s390__) || defined(__s390x__)
+ { "s390x", ARCHITECTURE_S390X },
+ { "s390", ARCHITECTURE_S390 },
+#elif defined(__sparc__) || defined(__sparc64__)
+ { "sparc64", ARCHITECTURE_SPARC64 },
+ { "sparc", ARCHITECTURE_SPARC },
+#elif defined(__mips__) || defined(__mips64__)
+ { "mips64", ARCHITECTURE_MIPS64 },
+ { "mips", ARCHITECTURE_MIPS },
+#elif defined(__alpha__)
+ { "alpha" , ARCHITECTURE_ALPHA },
+#elif defined(__arm__) || defined(__aarch64__)
+ { "aarch64", ARCHITECTURE_ARM64 },
+ { "aarch64_be", ARCHITECTURE_ARM64_BE },
+ { "armv4l", ARCHITECTURE_ARM },
+ { "armv4b", ARCHITECTURE_ARM_BE },
+ { "armv4tl", ARCHITECTURE_ARM },
+ { "armv4tb", ARCHITECTURE_ARM_BE },
+ { "armv5tl", ARCHITECTURE_ARM },
+ { "armv5tb", ARCHITECTURE_ARM_BE },
+ { "armv5tel", ARCHITECTURE_ARM },
+ { "armv5teb" , ARCHITECTURE_ARM_BE },
+ { "armv5tejl", ARCHITECTURE_ARM },
+ { "armv5tejb", ARCHITECTURE_ARM_BE },
+ { "armv6l", ARCHITECTURE_ARM },
+ { "armv6b", ARCHITECTURE_ARM_BE },
+ { "armv7l", ARCHITECTURE_ARM },
+ { "armv7b", ARCHITECTURE_ARM_BE },
+ { "armv7ml", ARCHITECTURE_ARM },
+ { "armv7mb", ARCHITECTURE_ARM_BE },
+ { "armv4l", ARCHITECTURE_ARM },
+ { "armv4b", ARCHITECTURE_ARM_BE },
+ { "armv4tl", ARCHITECTURE_ARM },
+ { "armv4tb", ARCHITECTURE_ARM_BE },
+ { "armv5tl", ARCHITECTURE_ARM },
+ { "armv5tb", ARCHITECTURE_ARM_BE },
+ { "armv5tel", ARCHITECTURE_ARM },
+ { "armv5teb", ARCHITECTURE_ARM_BE },
+ { "armv5tejl", ARCHITECTURE_ARM },
+ { "armv5tejb", ARCHITECTURE_ARM_BE },
+ { "armv6l", ARCHITECTURE_ARM },
+ { "armv6b", ARCHITECTURE_ARM_BE },
+ { "armv7l", ARCHITECTURE_ARM },
+ { "armv7b", ARCHITECTURE_ARM_BE },
+ { "armv7ml", ARCHITECTURE_ARM },
+ { "armv7mb", ARCHITECTURE_ARM_BE },
+ { "armv8l", ARCHITECTURE_ARM },
+ { "armv8b", ARCHITECTURE_ARM_BE },
+#elif defined(__sh__) || defined(__sh64__)
+ { "sh64", ARCHITECTURE_SH64 },
+ { "sh", ARCHITECTURE_SH },
+#elif defined(__m68k__)
+ { "m68k", ARCHITECTURE_M68K },
+#else
+#error "Please register your architecture here!"
+#endif
+ };
+
+ static Architecture cached = _ARCHITECTURE_INVALID;
+ struct utsname u;
+ unsigned i;
+
+ if (cached != _ARCHITECTURE_INVALID)
+ return cached;
+
+ assert_se(uname(&u) >= 0);
+
+ for (i = 0; i < ELEMENTSOF(arch_map); i++)
+ if (streq(arch_map[i].machine, u.machine))
+ return cached = arch_map[i].arch;
+
+ assert_not_reached("Couldn't identify architecture. You need to patch systemd.");
+ return _ARCHITECTURE_INVALID;
+}
+
+static const char *const architecture_table[_ARCHITECTURE_MAX] = {
+ [ARCHITECTURE_X86] = "x86",
+ [ARCHITECTURE_X86_64] = "x86-64",
+ [ARCHITECTURE_PPC] = "ppc",
+ [ARCHITECTURE_PPC64] = "ppc64",
+ [ARCHITECTURE_IA64] = "ia64",
+ [ARCHITECTURE_PARISC] = "parisc",
+ [ARCHITECTURE_PARISC64] = "parisc64",
+ [ARCHITECTURE_S390] = "s390",
+ [ARCHITECTURE_S390X] = "s390x",
+ [ARCHITECTURE_SPARC] = "sparc",
+ [ARCHITECTURE_SPARC64] = "sparc64",
+ [ARCHITECTURE_MIPS] = "mips",
+ [ARCHITECTURE_MIPS64] = "mips64",
+ [ARCHITECTURE_ALPHA] = "alpha",
+ [ARCHITECTURE_ARM] = "arm",
+ [ARCHITECTURE_ARM_BE] = "arm-be",
+ [ARCHITECTURE_ARM64] = "arm64",
+ [ARCHITECTURE_ARM64_BE] = "arm64-be",
+ [ARCHITECTURE_SH] = "sh",
+ [ARCHITECTURE_SH64] = "sh64",
+ [ARCHITECTURE_M68K] = "m68k",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(architecture, Architecture);
diff --git a/src/shared/architecture.h b/src/shared/architecture.h
new file mode 100644
index 0000000000..fcfc45aa77
--- /dev/null
+++ b/src/shared/architecture.h
@@ -0,0 +1,105 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2014 Lennart Poettering
+
+ systemd 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.
+
+ systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "util.h"
+
+typedef enum Architecture {
+ ARCHITECTURE_X86 = 0,
+ ARCHITECTURE_X86_64,
+ ARCHITECTURE_PPC,
+ ARCHITECTURE_PPC64,
+ ARCHITECTURE_IA64,
+ ARCHITECTURE_PARISC,
+ ARCHITECTURE_PARISC64,
+ ARCHITECTURE_S390,
+ ARCHITECTURE_S390X,
+ ARCHITECTURE_SPARC,
+ ARCHITECTURE_SPARC64,
+ ARCHITECTURE_MIPS,
+ ARCHITECTURE_MIPS64,
+ ARCHITECTURE_ALPHA,
+ ARCHITECTURE_ARM,
+ ARCHITECTURE_ARM_BE,
+ ARCHITECTURE_ARM64,
+ ARCHITECTURE_ARM64_BE,
+ ARCHITECTURE_SH,
+ ARCHITECTURE_SH64,
+ ARCHITECTURE_M68K,
+ _ARCHITECTURE_MAX,
+ _ARCHITECTURE_INVALID = -1
+} Architecture;
+
+Architecture uname_architecture(void);
+
+#if defined(__x86_64__)
+# define native_architecture() ARCHITECTURE_X86_64
+#elif defined(__i386__)
+# define native_architecture() ARCHITECTURE_X86
+#elif defined(__powerpc64__)
+# define native_architecture() ARCHITECTURE_PPC64
+#elif defined(__powerpc__)
+# define native_architecture() ARCHITECTURE_PPC
+#elif defined(__ia64__)
+# define native_architecture() ARCHITECTURE_IA64
+#elif defined(__hppa64__)
+# define native_architecture() ARCHITECTURE_PARISC64
+#elif defined(__hppa__)
+# define native_architecture() ARCHITECTURE_PARISC
+#elif defined(__s390x__)
+# define native_architecture() ARCHITECTURE_S390X
+#elif defined(__s390__)
+# define native_architecture() ARCHITECTURE_S390
+#elif defined(__sparc64__)
+# define native_architecture() ARCHITECTURE_SPARC64
+#elif defined(__sparc__)
+# define native_architecture() ARCHITECTURE_SPARC
+#elif defined(__mips64__)
+# define native_architecture() ARCHITECTURE_MIPS64
+#elif defined(__mips__)
+# define native_architecture() ARCHITECTURE_MIPS
+#elif defined(__alpha__)
+# define native_architecture() ARCHITECTURE_ALPHA
+#elif defined(__aarch64__)
+# ifdef defined(WORDS_BIGENDIAN)
+# define native_architecture() ARCHITECTURE_ARM64_BE
+# else
+# define native_architecture() ARCHITECTURE_ARM64
+# endif
+#elif defined(__arm__)
+# ifdef defined(WORDS_BIGENDIAN)
+# define native_architecture() ARCHITECTURE_ARM_BE
+# else
+# define native_architecture() ARCHITECTURE_ARM
+# endif
+#elif defined(__sh64__)
+# define native_architecture() ARCHITECTURE_SH64
+#elif defined(__sh__)
+# define native_architecture() ARCHITECTURE_SH
+#elif defined(__m68k__)
+# define native_architecture() ARCHITECTURE_M68K
+#else
+#error "Please register your architecture here!"
+#endif
+
+const char *architecture_to_string(Architecture a) _const_;
+Architecture architecture_from_string(const char *s) _pure_;
diff --git a/src/shared/condition-util.c b/src/shared/condition-util.c
index d31c4bf5b1..4aea3caf9d 100644
--- a/src/shared/condition-util.c
+++ b/src/shared/condition-util.c
@@ -33,6 +33,7 @@
#include "path-util.h"
#include "fileio.h"
#include "unit.h"
+#include "architecture.h"
Condition* condition_new(ConditionType type, const char *parameter, bool trigger, bool negate) {
Condition *c;
@@ -154,6 +155,28 @@ bool condition_test_virtualization(Condition *c) {
return (v > 0 && streq(c->parameter, id)) == !c->negate;
}
+bool condition_test_architecture(Condition *c) {
+ Architecture a, b;
+
+ assert(c);
+ assert(c->parameter);
+ assert(c->type == CONDITION_ARCHITECTURE);
+
+ a = uname_architecture();
+ if (a < 0)
+ return c->negate;
+
+ if (streq(c->parameter, "native"))
+ b = native_architecture();
+ else
+ b = architecture_from_string(c->parameter);
+
+ if (b < 0)
+ return c->negate;
+
+ return (a == b) == !c->negate;
+}
+
bool condition_test_host(Condition *c) {
sd_id128_t x, y;
char *h;
@@ -170,7 +193,7 @@ bool condition_test_host(Condition *c) {
if (r < 0)
return c->negate;
- return sd_id128_equal(x, y);
+ return sd_id128_equal(x, y) == !c->negate;
}
h = gethostname_malloc();
@@ -237,6 +260,7 @@ static const char* const condition_type_table[_CONDITION_TYPE_MAX] = {
[CONDITION_CAPABILITY] = "ConditionCapability",
[CONDITION_HOST] = "ConditionHost",
[CONDITION_AC_POWER] = "ConditionACPower",
+ [CONDITION_ARCHITECTURE] = "ConditionArchitecture",
[CONDITION_NULL] = "ConditionNull"
};
diff --git a/src/shared/condition-util.h b/src/shared/condition-util.h
index 85d4d5bbfc..63d945efac 100644
--- a/src/shared/condition-util.h
+++ b/src/shared/condition-util.h
@@ -43,6 +43,7 @@ typedef enum ConditionType {
CONDITION_CAPABILITY,
CONDITION_HOST,
CONDITION_AC_POWER,
+ CONDITION_ARCHITECTURE,
CONDITION_NULL,
_CONDITION_TYPE_MAX,
_CONDITION_TYPE_INVALID = -1
@@ -67,6 +68,7 @@ void condition_free_list(Condition *c);
bool condition_test_kernel_command_line(Condition *c);
bool condition_test_virtualization(Condition *c);
+bool condition_test_architecture(Condition *c);
bool condition_test_host(Condition *c);
bool condition_test_ac_power(Condition *c);