diff options
author | Paul Mackerras <paulus@samba.org> | 2008-01-31 11:25:51 +1100 |
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committer | Paul Mackerras <paulus@samba.org> | 2008-01-31 11:25:51 +1100 |
commit | bd45ac0c5daae35e7c71138172e63df5cf644cf6 (patch) | |
tree | 5eb5a599bf6a9d7a8a34e802db932aa9e9555de4 /arch/x86/kernel/acpi/sleep_32.c | |
parent | 4eece4ccf997c0e6d8fdad3d842e37b16b8d705f (diff) | |
parent | 5bdeae46be6dfe9efa44a548bd622af325f4bdb4 (diff) |
Merge branch 'linux-2.6'
Diffstat (limited to 'arch/x86/kernel/acpi/sleep_32.c')
-rw-r--r-- | arch/x86/kernel/acpi/sleep_32.c | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/arch/x86/kernel/acpi/sleep_32.c b/arch/x86/kernel/acpi/sleep_32.c index 10699489cfe..63fe5525e02 100644 --- a/arch/x86/kernel/acpi/sleep_32.c +++ b/arch/x86/kernel/acpi/sleep_32.c @@ -12,76 +12,6 @@ #include <asm/smp.h> -/* 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 FASTCALL(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) -{ - if (!acpi_wakeup_address) - return 1; - memcpy((void *)acpi_wakeup_address, &wakeup_start, - &wakeup_end - &wakeup_start); - acpi_copy_wakeup_routine(acpi_wakeup_address); - - return 0; -} - -/* - * acpi_restore_state - undo effects of acpi_save_state_mem - */ -void acpi_restore_state_mem(void) -{ -} - -/** - * acpi_reserve_bootmem - do _very_ early ACPI initialisation - * - * We allocate a page from the first 1MB of memory for the wakeup - * routine for when we come back from a sleep state. The - * runtime allocator allows specification of <16MB pages, but not - * <1MB pages. - */ -void __init acpi_reserve_bootmem(void) -{ - if ((&wakeup_end - &wakeup_start) > PAGE_SIZE) { - printk(KERN_ERR - "ACPI: Wakeup code way too big, S3 disabled.\n"); - return; - } - - acpi_wakeup_address = (unsigned long)alloc_bootmem_low(PAGE_SIZE); - if (!acpi_wakeup_address) - printk(KERN_ERR "ACPI: Cannot allocate lowmem, S3 disabled.\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); - /* Ouch, we want to delete this. We already have better version in userspace, in s2ram from suspend.sf.net project */ static __init int reset_videomode_after_s3(const struct dmi_system_id *d) |