acgcc.h revision 92388
1/****************************************************************************** 2 * 3 * Name: acgcc.h - GCC specific defines, etc. 4 * $Revision: 19 $ 5 * 6 *****************************************************************************/ 7 8/****************************************************************************** 9 * 10 * 1. Copyright Notice 11 * 12 * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp. 13 * All rights reserved. 14 * 15 * 2. License 16 * 17 * 2.1. This is your license from Intel Corp. under its intellectual property 18 * rights. You may have additional license terms from the party that provided 19 * you this software, covering your right to use that party's intellectual 20 * property rights. 21 * 22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 23 * copy of the source code appearing in this file ("Covered Code") an 24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 25 * base code distributed originally by Intel ("Original Intel Code") to copy, 26 * make derivatives, distribute, use and display any portion of the Covered 27 * Code in any form, with the right to sublicense such rights; and 28 * 29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 30 * license (with the right to sublicense), under only those claims of Intel 31 * patents that are infringed by the Original Intel Code, to make, use, sell, 32 * offer to sell, and import the Covered Code and derivative works thereof 33 * solely to the minimum extent necessary to exercise the above copyright 34 * license, and in no event shall the patent license extend to any additions 35 * to or modifications of the Original Intel Code. No other license or right 36 * is granted directly or by implication, estoppel or otherwise; 37 * 38 * The above copyright and patent license is granted only if the following 39 * conditions are met: 40 * 41 * 3. Conditions 42 * 43 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 44 * Redistribution of source code of any substantial portion of the Covered 45 * Code or modification with rights to further distribute source must include 46 * the above Copyright Notice, the above License, this list of Conditions, 47 * and the following Disclaimer and Export Compliance provision. In addition, 48 * Licensee must cause all Covered Code to which Licensee contributes to 49 * contain a file documenting the changes Licensee made to create that Covered 50 * Code and the date of any change. Licensee must include in that file the 51 * documentation of any changes made by any predecessor Licensee. Licensee 52 * must include a prominent statement that the modification is derived, 53 * directly or indirectly, from Original Intel Code. 54 * 55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 56 * Redistribution of source code of any substantial portion of the Covered 57 * Code or modification without rights to further distribute source must 58 * include the following Disclaimer and Export Compliance provision in the 59 * documentation and/or other materials provided with distribution. In 60 * addition, Licensee may not authorize further sublicense of source of any 61 * portion of the Covered Code, and must include terms to the effect that the 62 * license from Licensee to its licensee is limited to the intellectual 63 * property embodied in the software Licensee provides to its licensee, and 64 * not to intellectual property embodied in modifications its licensee may 65 * make. 66 * 67 * 3.3. Redistribution of Executable. Redistribution in executable form of any 68 * substantial portion of the Covered Code or modification must reproduce the 69 * above Copyright Notice, and the following Disclaimer and Export Compliance 70 * provision in the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3.4. Intel retains all right, title, and interest in and to the Original 74 * Intel Code. 75 * 76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 77 * Intel shall be used in advertising or otherwise to promote the sale, use or 78 * other dealings in products derived from or relating to the Covered Code 79 * without prior written authorization from Intel. 80 * 81 * 4. Disclaimer and Export Compliance 82 * 83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 84 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 86 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 87 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 89 * PARTICULAR PURPOSE. 90 * 91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 98 * LIMITED REMEDY. 99 * 100 * 4.3. Licensee shall not export, either directly or indirectly, any of this 101 * software or system incorporating such software without first obtaining any 102 * required license or other approval from the U. S. Department of Commerce or 103 * any other agency or department of the United States Government. In the 104 * event Licensee exports any such software from the United States or 105 * re-exports any such software from a foreign destination, Licensee shall 106 * ensure that the distribution and export/re-export of the software is in 107 * compliance with all laws, regulations, orders, or other restrictions of the 108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 109 * any of its subsidiaries will export/re-export any technical data, process, 110 * software, or service, directly or indirectly, to any country for which the 111 * United States government or any agency thereof requires an export license, 112 * other governmental approval, or letter of assurance, without first obtaining 113 * such license, approval or letter. 114 * 115 *****************************************************************************/ 116 117#ifndef __ACGCC_H__ 118#define __ACGCC_H__ 119 120 121#ifdef __ia64__ 122#define _IA64 123 124#define COMPILER_DEPENDENT_UINT64 unsigned long 125 126/* 127 * Calling conventions: 128 * 129 * ACPI_SYSTEM_XFACE - Interfaces to host OS (handlers, threads) 130 * ACPI_EXTERNAL_XFACE - External ACPI interfaces 131 * ACPI_INTERNAL_XFACE - Internal ACPI interfaces 132 * ACPI_INTERNAL_VAR_XFACE - Internal variable-parameter list interfaces 133 */ 134#define ACPI_SYSTEM_XFACE 135#define ACPI_EXTERNAL_XFACE 136#define ACPI_INTERNAL_XFACE 137#define ACPI_INTERNAL_VAR_XFACE 138 139/* Single threaded */ 140 141#define ACPI_APPLICATION 142 143/* Asm macros */ 144 145#define ACPI_ASM_MACROS 146#define causeinterrupt(level) 147#define BREAKPOINT3 148#define acpi_disable_irqs() __cli() 149#define acpi_enable_irqs() __sti() 150 151/*! [Begin] no source code translation */ 152 153#include <asm/pal.h> 154 155#define halt() ia64_pal_halt_light() /* PAL_HALT[_LIGHT] */ 156#define safe_halt() ia64_pal_halt(1) /* PAL_HALT */ 157 158 159#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \ 160 do { \ 161 __asm__ volatile ("1: ld4 r29=%1\n" \ 162 ";;\n" \ 163 "mov ar.ccv=r29\n" \ 164 "mov r2=r29\n" \ 165 "shr.u r30=r29,1\n" \ 166 "and r29=-4,r29\n" \ 167 ";;\n" \ 168 "add r29=2,r29\n" \ 169 "and r30=1,r30\n" \ 170 ";;\n" \ 171 "add r29=r29,r30\n" \ 172 ";;\n" \ 173 "cmpxchg4.acq r30=%1,r29,ar.ccv\n" \ 174 ";;\n" \ 175 "cmp.eq p6,p7=r2,r30\n" \ 176 "(p7) br.dpnt.few 1b\n" \ 177 "cmp.gt p8,p9=3,r29\n" \ 178 ";;\n" \ 179 "(p8) mov %0=-1\n" \ 180 "(p9) mov %0=r0\n" \ 181 :"=r"(Acq):"m"(GLptr):"r2","r29","r30","memory"); \ 182 } while (0) 183 184#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \ 185 do { \ 186 __asm__ volatile ("1: ld4 r29=%1\n" \ 187 ";;\n" \ 188 "mov ar.ccv=r29\n" \ 189 "mov r2=r29\n" \ 190 "and r29=-4,r29\n" \ 191 ";;\n" \ 192 "cmpxchg4.acq r30=%1,r29,ar.ccv\n" \ 193 ";;\n" \ 194 "cmp.eq p6,p7=r2,r30\n" \ 195 "(p7) br.dpnt.few 1b\n" \ 196 "and %0=1,r2\n" \ 197 ";;\n" \ 198 :"=r"(Acq):"m"(GLptr):"r2","r29","r30","memory"); \ 199 } while (0) 200/*! [End] no source code translation !*/ 201 202 203#else /* DO IA32 */ 204 205#define COMPILER_DEPENDENT_UINT64 unsigned long long 206 207/* 208 * Calling conventions: 209 * 210 * ACPI_SYSTEM_XFACE - Interfaces to host OS (handlers, threads) 211 * ACPI_EXTERNAL_XFACE - External ACPI interfaces 212 * ACPI_INTERNAL_XFACE - Internal ACPI interfaces 213 * ACPI_INTERNAL_VAR_XFACE - Internal variable-parameter list interfaces 214 */ 215#define ACPI_SYSTEM_XFACE 216#define ACPI_EXTERNAL_XFACE 217#define ACPI_INTERNAL_XFACE 218#define ACPI_INTERNAL_VAR_XFACE 219 220/* Asm macros */ 221 222#define ACPI_ASM_MACROS 223#define causeinterrupt(level) 224#define BREAKPOINT3 225#define acpi_disable_irqs() __cli() 226#define acpi_enable_irqs() __sti() 227#define halt() __asm__ __volatile__ ("sti; hlt":::"memory") 228 229/*! [Begin] no source code translation 230 * 231 * A brief explanation as GNU inline assembly is a bit hairy 232 * %0 is the output parameter in EAX ("=a") 233 * %1 and %2 are the input parameters in ECX ("c") 234 * and an immediate value ("i") respectively 235 * All actual register references are preceded with "%%" as in "%%edx" 236 * Immediate values in the assembly are preceded by "$" as in "$0x1" 237 * The final asm parameter are the operation altered non-output registers. 238 */ 239#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \ 240 do { \ 241 int dummy; \ 242 asm("1: movl (%1),%%eax;" \ 243 "movl %%eax,%%edx;" \ 244 "andl %2,%%edx;" \ 245 "btsl $0x1,%%edx;" \ 246 "adcl $0x0,%%edx;" \ 247 "lock; cmpxchgl %%edx,(%1);" \ 248 "jnz 1b;" \ 249 "cmpb $0x3,%%dl;" \ 250 "sbbl %%eax,%%eax" \ 251 :"=a"(Acq),"=c"(dummy):"c"(GLptr),"i"(~1L):"dx"); \ 252 } while(0) 253 254#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \ 255 do { \ 256 int dummy; \ 257 asm("1: movl (%1),%%eax;" \ 258 "movl %%eax,%%edx;" \ 259 "andl %2,%%edx;" \ 260 "lock; cmpxchgl %%edx,(%1);" \ 261 "jnz 1b;" \ 262 "andl $0x1,%%eax" \ 263 :"=a"(Acq),"=c"(dummy):"c"(GLptr),"i"(~3L):"dx"); \ 264 } while(0) 265 266 267/* 268 * Math helper asm macros 269 */ 270#define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \ 271 asm("divl %2;" \ 272 :"=a"(q32), "=d"(r32) \ 273 :"r"(d32), \ 274 "0"(n_lo), "1"(n_hi)) 275 276 277#define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \ 278 asm("shrl $1,%2;" \ 279 "rcrl $1,%3;" \ 280 :"=r"(n_hi), "=r"(n_lo) \ 281 :"0"(n_hi), "1"(n_lo)) 282 283/*! [End] no source code translation !*/ 284 285#endif /* IA 32 */ 286 287/* This macro is used to tag functions as "printf-like" because 288 * some compilers (like GCC) can catch printf format string problems. 289 */ 290#define ACPI_PRINTF_LIKE_FUNC __attribute__ ((__format__ (__printf__, 4, 5))) 291 292#endif /* __ACGCC_H__ */ 293