From c031b41b783cc99c0bd5aac7d14c1d6e34520397 Mon Sep 17 00:00:00 2001 From: Justus Winter <4winter@informatik.uni-hamburg.de> Date: Sat, 3 May 2014 01:33:14 +0200 Subject: 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. --- i386/grub/cpu/time.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 i386/grub/cpu/time.h (limited to 'i386/grub/cpu/time.h') diff --git a/i386/grub/cpu/time.h b/i386/grub/cpu/time.h new file mode 100644 index 0000000..842882c --- /dev/null +++ b/i386/grub/cpu/time.h @@ -0,0 +1,29 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2007 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 . + */ + +#ifndef KERNEL_CPU_TIME_HEADER +#define KERNEL_CPU_TIME_HEADER 1 + +static __inline void +grub_cpu_idle (void) +{ + /* FIXME: this can't work until we handle interrupts. */ +/* __asm__ __volatile__ ("hlt"); */ +} + +#endif /* ! KERNEL_CPU_TIME_HEADER */ -- cgit v1.2.3