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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 | /* * asm-x86_64/acpi.h * * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> * Copyright (C) 2001 Patrick Mochel <mochel@osdl.org> * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * 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 * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ #ifndef _ASM_ACPI_H #define _ASM_ACPI_H #ifdef __KERNEL__ #define COMPILER_DEPENDENT_INT64 long long #define COMPILER_DEPENDENT_UINT64 unsigned long long /* * Calling conventions: * * ACPI_SYSTEM_XFACE - Interfaces to host OS (handlers, threads) * ACPI_EXTERNAL_XFACE - External ACPI interfaces * ACPI_INTERNAL_XFACE - Internal ACPI interfaces * ACPI_INTERNAL_VAR_XFACE - Internal variable-parameter list interfaces */ #define ACPI_SYSTEM_XFACE #define ACPI_EXTERNAL_XFACE #define ACPI_INTERNAL_XFACE #define ACPI_INTERNAL_VAR_XFACE /* Asm macros */ #define ACPI_ASM_MACROS #define BREAKPOINT3 #define ACPI_DISABLE_IRQS() local_irq_disable() #define ACPI_ENABLE_IRQS() local_irq_enable() #define ACPI_FLUSH_CPU_CACHE() wbinvd() static inline int __acpi_acquire_global_lock (unsigned int *lock) { unsigned int old, new, val; do { old = *lock; new = (((old & ~0x3) + 2) + ((old >> 1) & 0x1)); val = cmpxchg4_locked(lock, new, old); } while (unlikely (val != old)); return (new < 3) ? -1 : 0; } static inline int __acpi_release_global_lock (unsigned int *lock) { unsigned int old, new, val; do { old = *lock; new = old & ~0x3; val = cmpxchg4_locked(lock, new, old); } while (unlikely (val != old)); return old & 0x1; } #define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \ ((Acq) = __acpi_acquire_global_lock((unsigned int *) GLptr)) #define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \ ((Acq) = __acpi_release_global_lock((unsigned int *) GLptr)) /* * Math helper asm macros */ #define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \ asm("divl %2;" \ :"=a"(q32), "=d"(r32) \ :"r"(d32), \ "0"(n_lo), "1"(n_hi)) #define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \ asm("shrl $1,%2;" \ "rcrl $1,%3;" \ :"=r"(n_hi), "=r"(n_lo) \ :"0"(n_hi), "1"(n_lo)) #ifndef CONFIG_ACPI_BOOT #define acpi_lapic 0 #define acpi_ioapic 0 #else #ifdef CONFIG_X86_LOCAL_APIC extern int acpi_lapic; #else #define acpi_lapic 0 #endif #ifdef CONFIG_X86_IO_APIC extern int acpi_ioapic; #else #define acpi_ioapic 0 #endif /* Fixmap pages to reserve for ACPI boot-time tables (see fixmap.h) */ #define FIX_ACPI_PAGES 4 #endif /*CONFIG_ACPI_BOOT*/ #ifdef CONFIG_ACPI_SLEEP /* routines for saving/restoring kernel state */ extern int acpi_save_state_mem(void); extern int acpi_save_state_disk(void); extern void acpi_restore_state_mem(void); extern unsigned long acpi_wakeup_address; /* early initialization routine */ extern void acpi_reserve_bootmem(void); #endif /*CONFIG_ACPI_SLEEP*/ #define boot_cpu_physical_apicid boot_cpu_id extern int acpi_disabled; #define dmi_broken (0) #define BROKEN_ACPI_Sx 0x0001 #define BROKEN_INIT_AFTER_S1 0x0002 #endif /*__KERNEL__*/ #endif /*_ASM_ACPI_H*/ |