The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/i386/include/acpica_machdep.h

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    1 /*-
    2  * Copyright (c) 2002 Mitsuru IWASAKI
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD: releng/9.1/sys/i386/include/acpica_machdep.h 197439 2009-09-23 15:42:35Z jhb $
   27  */
   28 
   29 /******************************************************************************
   30  *
   31  * Name: acpica_machdep.h - arch-specific defines, etc.
   32  *       $Revision$
   33  *
   34  *****************************************************************************/
   35 
   36 #ifndef __ACPICA_MACHDEP_H__
   37 #define __ACPICA_MACHDEP_H__
   38 
   39 #ifdef _KERNEL
   40 /*
   41  * Calling conventions:
   42  *
   43  * ACPI_SYSTEM_XFACE        - Interfaces to host OS (handlers, threads)
   44  * ACPI_EXTERNAL_XFACE      - External ACPI interfaces 
   45  * ACPI_INTERNAL_XFACE      - Internal ACPI interfaces
   46  * ACPI_INTERNAL_VAR_XFACE  - Internal variable-parameter list interfaces
   47  */
   48 #define ACPI_SYSTEM_XFACE
   49 #define ACPI_EXTERNAL_XFACE
   50 #define ACPI_INTERNAL_XFACE
   51 #define ACPI_INTERNAL_VAR_XFACE
   52 
   53 /* Asm macros */
   54 
   55 #define ACPI_ASM_MACROS
   56 #define BREAKPOINT3
   57 #define ACPI_DISABLE_IRQS() disable_intr()
   58 #define ACPI_ENABLE_IRQS()  enable_intr()
   59 
   60 #define ACPI_FLUSH_CPU_CACHE()  wbinvd()
   61 
   62 /* Section 5.2.9.1:  global lock acquire/release functions */
   63 extern int      acpi_acquire_global_lock(uint32_t *lock);
   64 extern int      acpi_release_global_lock(uint32_t *lock);
   65 #define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq)    do {                    \
   66         (Acq) = acpi_acquire_global_lock(&((GLptr)->GlobalLock));       \
   67 } while (0)
   68 #define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq)    do {                    \
   69         (Acq) = acpi_release_global_lock(&((GLptr)->GlobalLock));       \
   70 } while (0)
   71 
   72 /*! [Begin] no source code translation
   73  *
   74  * Math helper asm macros
   75  */
   76 #define asm         __asm
   77 #define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \
   78         asm("divl %2;"        \
   79         :"=a"(q32), "=d"(r32) \
   80         :"r"(d32),            \
   81         ""(n_lo), "1"(n_hi))
   82 
   83 
   84 #define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \
   85     asm("shrl   $1,%2;"             \
   86         "rcrl   $1,%3;"             \
   87         :"=r"(n_hi), "=r"(n_lo)     \
   88         :""(n_hi), "1"(n_lo))
   89 
   90 /*! [End] no source code translation !*/
   91 #endif /* _KERNEL */
   92 
   93 #define ACPI_MACHINE_WIDTH             32
   94 #define COMPILER_DEPENDENT_INT64       long long
   95 #define COMPILER_DEPENDENT_UINT64      unsigned long long
   96 #define ACPI_USE_NATIVE_DIVIDE
   97 
   98 void    acpi_SetDefaultIntrModel(int model);
   99 void    acpi_cpu_c1(void);
  100 void    *acpi_map_table(vm_paddr_t pa, const char *sig);
  101 void    acpi_unmap_table(void *table);
  102 vm_paddr_t acpi_find_table(const char *sig);
  103 
  104 #endif /* __ACPICA_MACHDEP_H__ */

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