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authorJustus Winter <4winter@informatik.uni-hamburg.de>2014-05-03 01:33:14 +0200
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2014-07-06 15:46:04 +0200
commitc031b41b783cc99c0bd5aac7d14c1d6e34520397 (patch)
treed05065f96429bfc620ff39a536cc57b01e082c0e /i386/grub/compiler.h
parent3bb2b68bc84b9cb11aae7b46eeec3c5eb3363f54 (diff)
i386: use ACPI to power off the machine
This is a mostly verbatim copy of acpihalt.c from GRUB2 with a little bit of glue code. * i386/Makefrag.am (libkernel_a_SOURCES): Add the new files. * i386/grub/acpi.h: Verbatim copy from GRUB2. * i386/grub/compiler.h: Likewise. * i386/grub/cpu/io.h: Likewise. * i386/grub/cpu/time.h: Likewise. * i386/grub/cpu/types.h: Likewise. * i386/grub/err.h: Likewise. * i386/grub/misc.h: Likewise. * i386/grub/mm.h: Likewise. * i386/grub/symbol.h: Likewise. * i386/grub/time.h: Likewise. * i386/grub/types.h: Likewise. * i386/i386at/acpi.c: Likewise. * i386/i386at/acpihalt.c: Likewise. (grub_acpi_halt): Map physical addresses. * i386/i386at/acpihalt.h: New file. * i386/grub/glue.h: Some glue macros. * i386/grub/i18n.h: Stub out i18n. * i386/i386at/grub_glue.c: Some glue code. * i386/i386at/model_dep.c (halt_all_cpus): Use grub_acpi_halt.
Diffstat (limited to 'i386/grub/compiler.h')
-rw-r--r--i386/grub/compiler.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/i386/grub/compiler.h b/i386/grub/compiler.h
new file mode 100644
index 0000000..c9e1d7a
--- /dev/null
+++ b/i386/grub/compiler.h
@@ -0,0 +1,51 @@
+/* compiler.h - macros for various compiler features */
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2002,2003,2005,2006,2007,2008,2009,2010,2014 Free Software Foundation, Inc.
+ *
+ * GRUB 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GRUB 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GRUB_COMPILER_HEADER
+#define GRUB_COMPILER_HEADER 1
+
+/* GCC version checking borrowed from glibc. */
+#if defined(__GNUC__) && defined(__GNUC_MINOR__)
+# define GNUC_PREREQ(maj,min) \
+ ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
+#else
+# define GNUC_PREREQ(maj,min) 0
+#endif
+
+/* Does this compiler support compile-time error attributes? */
+#if GNUC_PREREQ(4,3)
+# define ATTRIBUTE_ERROR(msg) \
+ __attribute__ ((__error__ (msg)))
+#else
+# define ATTRIBUTE_ERROR(msg) __attribute__ ((noreturn))
+#endif
+
+#if GNUC_PREREQ(4,4)
+# define GNU_PRINTF gnu_printf
+#else
+# define GNU_PRINTF printf
+#endif
+
+#if GNUC_PREREQ(3,4)
+# define WARN_UNUSED_RESULT __attribute__ ((warn_unused_result))
+#else
+# define WARN_UNUSED_RESULT
+#endif
+
+#endif /* ! GRUB_COMPILER_HEADER */