diff options
Diffstat (limited to 'arch/x86/kernel/acpi/sleep_64.c')
| -rw-r--r-- | arch/x86/kernel/acpi/sleep_64.c | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/arch/x86/kernel/acpi/sleep_64.c b/arch/x86/kernel/acpi/sleep_64.c deleted file mode 100644 index da42de261ba..00000000000 --- a/arch/x86/kernel/acpi/sleep_64.c +++ /dev/null @@ -1,117 +0,0 @@ -/* - * acpi.c - Architecture-Specific Low-Level ACPI Support - * - * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> - * Copyright (C) 2001 Jun Nakajima <jun.nakajima@intel.com> - * Copyright (C) 2001 Patrick Mochel <mochel@osdl.org> - * Copyright (C) 2002 Andi Kleen, SuSE Labs (x86-64 port) - * Copyright (C) 2003 Pavel Machek, SuSE Labs - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * This program 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 2 of the License, or - * (at your option) any later version. - * - * This program 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 this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/stddef.h> -#include <linux/slab.h> -#include <linux/pci.h> -#include <linux/bootmem.h> -#include <linux/acpi.h> -#include <linux/cpumask.h> - -#include <asm/mpspec.h> -#include <asm/io.h> -#include <asm/apic.h> -#include <asm/apicdef.h> -#include <asm/page.h> -#include <asm/pgtable.h> -#include <asm/pgalloc.h> -#include <asm/io_apic.h> -#include <asm/proto.h> -#include <asm/tlbflush.h> - -/* -------------------------------------------------------------------------- - Low-Level Sleep Support - -------------------------------------------------------------------------- */ - -/* address in low memory of the wakeup routine. */ -unsigned long acpi_wakeup_address = 0; -unsigned long acpi_realmode_flags; -extern char wakeup_start, wakeup_end; - -extern unsigned long acpi_copy_wakeup_routine(unsigned long); - -/** - * acpi_save_state_mem - save kernel state - * - * Create an identity mapped page table and copy the wakeup routine to - * low memory. - */ -int acpi_save_state_mem(void) -{ - memcpy((void *)acpi_wakeup_address, &wakeup_start, - &wakeup_end - &wakeup_start); - acpi_copy_wakeup_routine(acpi_wakeup_address); - - return 0; -} - -/* - * acpi_restore_state - */ -void acpi_restore_state_mem(void) -{ -} - -/** - * acpi_reserve_bootmem - do _very_ early ACPI initialisation - * - * We allocate a page in low memory for the wakeup - * routine for when we come back from a sleep state. The - * runtime allocator allows specification of <16M pages, but not - * <1M pages. - */ -void __init acpi_reserve_bootmem(void) -{ - acpi_wakeup_address = (unsigned long)alloc_bootmem_low(PAGE_SIZE*2); - if ((&wakeup_end - &wakeup_start) > (PAGE_SIZE*2)) - printk(KERN_CRIT - "ACPI: Wakeup code way too big, will crash on attempt" - " to suspend\n"); -} - -static int __init acpi_sleep_setup(char *str) -{ - while ((str != NULL) && (*str != '\0')) { - if (strncmp(str, "s3_bios", 7) == 0) - acpi_realmode_flags |= 1; - if (strncmp(str, "s3_mode", 7) == 0) - acpi_realmode_flags |= 2; - if (strncmp(str, "s3_beep", 7) == 0) - acpi_realmode_flags |= 4; - str = strchr(str, ','); - if (str != NULL) - str += strspn(str, ", \t"); - } - return 1; -} - -__setup("acpi_sleep=", acpi_sleep_setup); - |