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9 #ifndef _ASM_X86_ACENV_H
10 #define _ASM_X86_ACENV_H
11
12 #include <asm/special_insns.h>
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14
15
16 #define ACPI_FLUSH_CPU_CACHE() wbinvd()
17
18 int __acpi_acquire_global_lock(unsigned int *lock);
19 int __acpi_release_global_lock(unsigned int *lock);
20
21 #define ACPI_ACQUIRE_GLOBAL_LOCK(facs, Acq) \
22 ((Acq) = __acpi_acquire_global_lock(&facs->global_lock))
23
24 #define ACPI_RELEASE_GLOBAL_LOCK(facs, Acq) \
25 ((Acq) = __acpi_release_global_lock(&facs->global_lock))
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27
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29
30 #define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \
31 asm("divl %2;" \
32 : "=a"(q32), "=d"(r32) \
33 : "r"(d32), \
34 "0"(n_lo), "1"(n_hi))
35
36 #define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \
37 asm("shrl $1,%2 ;" \
38 "rcrl $1,%3;" \
39 : "=r"(n_hi), "=r"(n_lo) \
40 : "0"(n_hi), "1"(n_lo))
41
42 #endif