reactos/drivers/bus/acpi/include/platform/acgcc.h

   1 /******************************************************************************
   2  *
   3  * Name: acgcc.h - GCC specific defines, etc.
   4  *       $Revision: 1.1 $
   5  *
   6  *****************************************************************************/
   7
   8 /*
   9  *  Copyright (C) 2000, 2001 R. Byron Moore
  10  *
  11  *  This program is free software; you can redistribute it and/or modify
  12  *  it under the terms of the GNU General Public License as published by
  13  *  the Free Software Foundation; either version 2 of the License, or
  14  *  (at your option) any later version.
  15  *
  16  *  This program is distributed in the hope that it will be useful,
  17  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  *  GNU General Public License for more details.
  20  *
  21  *  You should have received a copy of the GNU General Public License
  22  *  along with this program; if not, write to the Free Software
  23  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  24  */
  25
  26 #ifndef __ACGCC_H__
  27 #define __ACGCC_H__
  28
  29
  30 #ifdef __ia64__
  31 #define _IA64
  32
  33 #define COMPILER_DEPENDENT_UINT64   unsigned long
  34 /* Single threaded */
  35 #define ACPI_APPLICATION
  36
  37 #define ACPI_ASM_MACROS
  38 #define causeinterrupt(level)
  39 #define BREAKPOINT3
  40 #define disable() __cli()
  41 #define enable()  __sti()
  42 #define wbinvd()
  43
  44 /*! [Begin] no source code translation */
  45
  46 #include <asm/pal.h>
  47
  48 #define halt()              ia64_pal_halt_light()           /* PAL_HALT[_LIGHT] */
  49 #define safe_halt()         ia64_pal_halt(1)                /* PAL_HALT */
  50
  51
  52 #define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \
  53         do { \
  54         __asm__ volatile ("1:  ld4      r29=%1\n"  \
  55                 ";;\n"                  \
  56                 "mov    ar.ccv=r29\n"   \
  57                 "mov    r2=r29\n"       \
  58                 "shr.u  r30=r29,1\n"    \
  59                 "and    r29=-4,r29\n"   \
  60                 ";;\n"                  \
  61                 "add    r29=2,r29\n"    \
  62                 "and    r30=1,r30\n"    \
  63                 ";;\n"                  \
  64                 "add    r29=r29,r30\n"  \
  65                 ";;\n"                  \
  66                 "cmpxchg4.acq   r30=%1,r29,ar.ccv\n" \
  67                 ";;\n"                  \
  68                 "cmp.eq p6,p7=r2,r30\n" \
  69                 "(p7) br.dpnt.few 1b\n" \
  70                 "cmp.gt p8,p9=3,r29\n"  \
  71                 ";;\n"                  \
  72                 "(p8) mov %0=-1\n"      \
  73                 "(p9) mov %0=r0\n"      \
  74                 :"=r"(Acq):"m"(GLptr):"r2","r29","r30","memory"); \
  75         } while (0)
  76
  77 #define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \
  78         do { \
  79         __asm__ volatile ("1:  ld4      r29=%1\n" \
  80                 ";;\n"                  \
  81                 "mov    ar.ccv=r29\n"   \
  82                 "mov    r2=r29\n"       \
  83                 "and    r29=-4,r29\n"   \
  84                 ";;\n"                  \
  85                 "cmpxchg4.acq   r30=%1,r29,ar.ccv\n" \
  86                 ";;\n"                  \
  87                 "cmp.eq p6,p7=r2,r30\n" \
  88                 "(p7) br.dpnt.few 1b\n" \
  89                 "and    %0=1,r2\n"      \
  90                 ";;\n"                  \
  91                 :"=r"(Acq):"m"(GLptr):"r2","r29","r30","memory"); \
  92         } while (0)
  93 /*! [End] no source code translation !*/
  94
  95 #elif defined (_AMD64_)
  96
  97 #define COMPILER_DEPENDENT_UINT64   unsigned long long
  98 #define ACPI_ASM_MACROS
  99 #define causeinterrupt(level)
 100 #define BREAKPOINT3
 101 #define disable() __cli()
 102 #define enable()  __sti()
 103 #define halt()    __asm__ __volatile__ ("sti; hlt":::"memory")
 104 #define wbinvd()
 105
 106 /*! [Begin] no source code translation
 107  *
 108  * A brief explanation as GNU inline assembly is a bit hairy
 109  *  %0 is the output parameter in EAX ("=a")
 110  *  %1 and %2 are the input parameters in ECX ("c")
 111  *  and an immediate value ("i") respectively
 112  *  All actual register references are preceded with "%%" as in "%%edx"
 113  *  Immediate values in the assembly are preceded by "$" as in "$0x1"
 114  *  The final asm parameter are the operation altered non-output registers.
 115  */
 116
 117 // FIXME: These are only sonly stubs to make it compile
 118
 119 #define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \
 120         do { \
 121                 int dummy; \
 122                 asm("1:     movl (%1),%%eax;" \
 123                         "movl   %%eax,%%edx;" \
 124                         :"=a"(Acq),"=c"(dummy):"c"(GLptr),"i"(~1L):"dx"); \
 125         } while(0)
 126
 127 #define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \
 128         do { \
 129                 int dummy; \
 130                 asm("1:     movl (%1),%%eax;" \
 131                         "movl   %%eax,%%edx;" \
 132                         :"=a"(Acq),"=c"(dummy):"c"(GLptr),"i"(~3L):"dx"); \
 133         } while(0)
 134
 135 /*! [End] no source code translation !*/
 136
 137 #else /* DO IA32 */
 138
 139 #define COMPILER_DEPENDENT_UINT64   unsigned long long
 140 #define ACPI_ASM_MACROS
 141 #define causeinterrupt(level)
 142 #define BREAKPOINT3
 143 #define disable() __cli()
 144 #define enable()  __sti()
 145 #define halt()    __asm__ __volatile__ ("sti; hlt":::"memory")
 146 #define wbinvd()
 147
 148 /*! [Begin] no source code translation
 149  *
 150  * A brief explanation as GNU inline assembly is a bit hairy
 151  *  %0 is the output parameter in EAX ("=a")
 152  *  %1 and %2 are the input parameters in ECX ("c")
 153  *  and an immediate value ("i") respectively
 154  *  All actual register references are preceded with "%%" as in "%%edx"
 155  *  Immediate values in the assembly are preceded by "$" as in "$0x1"
 156  *  The final asm parameter are the operation altered non-output registers.
 157  */
 158 #define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \
 159         do { \
 160                 int dummy; \
 161                 asm("1:     movl (%1),%%eax;" \
 162                         "movl   %%eax,%%edx;" \
 163                         "andl   %2,%%edx;" \
 164                         "btsl   $0x1,%%edx;" \
 165                         "adcl   $0x0,%%edx;" \
 166                         "lock;  cmpxchgl %%edx,(%1);" \
 167                         "jnz    1b;" \
 168                         "cmpb   $0x3,%%dl;" \
 169                         "sbbl   %%eax,%%eax" \
 170                         :"=a"(Acq),"=c"(dummy):"c"(GLptr),"i"(~1L):"dx"); \
 171         } while(0)
 172
 173 #define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \
 174         do { \
 175                 int dummy; \
 176                 asm("1:     movl (%1),%%eax;" \
 177                         "movl   %%eax,%%edx;" \
 178                         "andl   %2,%%edx;" \
 179                         "lock;  cmpxchgl %%edx,(%1);" \
 180                         "jnz    1b;" \
 181                         "andl   $0x1,%%eax" \
 182                         :"=a"(Acq),"=c"(dummy):"c"(GLptr),"i"(~3L):"dx"); \
 183         } while(0)
 184
 185 /*! [End] no source code translation !*/
 186
 187 #endif /* IA 32 */
 188
 189 #endif /* __ACGCC_H__ */