44 lines
917 B
C
44 lines
917 B
C
/* $NetBSD: acpi_func.h,v 1.4 2003/08/13 12:40:31 yamt Exp $ */
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#include <machine/cpufunc.h>
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#if 0
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#define ACPI_DISABLE_IRQS() disable_intr()
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#define ACPI_ENABLE_IRQS() enable_intr()
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#endif
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#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \
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do { \
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__asm __volatile( \
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"1: movl %1,%%eax ;" \
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" movl %%eax,%%edx ;" \
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" andl %2,%%edx ;" \
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" btsl $0x1,%%edx ;" \
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" adcl $0x0,%%edx ;" \
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" lock ;" \
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" cmpxchgl %%edx,%1 ;" \
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" jnz 1b ;" \
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" andb $0x3,%%dl ;" \
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" cmpb $0x3,%%dl ;" \
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" sbbl %%eax,%%eax ;" \
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: "=&a" (Acq), "+m" (*GLptr) \
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: "i" (~1L) \
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: "edx"); \
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} while (0)
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#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \
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do { \
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__asm __volatile( \
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"1: movl %1,%%eax ;" \
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" andl %2,%%edx ;" \
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" lock ;" \
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" cmpxchgl %%edx,%1 ;" \
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" jnz 1b ;" \
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" andl $0x1,%%eax ;" \
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: "=&a" (Acq), "+m" (*GLptr) \
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: "i" (~3L) \
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: "edx"); \
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} while (0)
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#define ACPI_FLUSH_CPU_CACHE() wbinvd()
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