acgcc.h revision 83174
160786Sps/******************************************************************************
260786Sps *
360786Sps * Name: acgcc.h - GCC specific defines, etc.
460786Sps *       $Revision: 9 $
5293190Sdelphij *
660786Sps *****************************************************************************/
760786Sps
860786Sps/******************************************************************************
960786Sps *
1060786Sps * 1. Copyright Notice
1160786Sps *
1260786Sps * Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp.
1360786Sps * All rights reserved.
1460786Sps *
1560786Sps * 2. License
1660786Sps *
1760786Sps * 2.1. This is your license from Intel Corp. under its intellectual property
1860786Sps * rights.  You may have additional license terms from the party that provided
1960786Sps * you this software, covering your right to use that party's intellectual
2060786Sps * property rights.
2160786Sps *
2260786Sps * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
2360786Sps * copy of the source code appearing in this file ("Covered Code") an
2460786Sps * irrevocable, perpetual, worldwide license under Intel's copyrights in the
2560786Sps * base code distributed originally by Intel ("Original Intel Code") to copy,
2660786Sps * make derivatives, distribute, use and display any portion of the Covered
2760786Sps * 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/* Single threaded */
126#define ACPI_APPLICATION
127
128#define ACPI_ASM_MACROS
129#define causeinterrupt(level)
130#define BREAKPOINT3
131#define disable() __cli()
132#define enable()  __sti()
133#define wbinvd()
134
135/*! [Begin] no source code translation */
136
137#include <asm/pal.h>
138
139#define halt()              ia64_pal_halt_light()           /* PAL_HALT[_LIGHT] */
140#define safe_halt()         ia64_pal_halt(1)                /* PAL_HALT */
141
142
143#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \
144    do { \
145    __asm__ volatile ("1:  ld4      r29=%1\n"  \
146        ";;\n"                  \
147        "mov    ar.ccv=r29\n"   \
148        "mov    r2=r29\n"       \
149        "shr.u  r30=r29,1\n"    \
150        "and    r29=-4,r29\n"   \
151        ";;\n"                  \
152        "add    r29=2,r29\n"    \
153        "and    r30=1,r30\n"    \
154        ";;\n"                  \
155        "add    r29=r29,r30\n"  \
156        ";;\n"                  \
157        "cmpxchg4.acq   r30=%1,r29,ar.ccv\n" \
158        ";;\n"                  \
159        "cmp.eq p6,p7=r2,r30\n" \
160        "(p7) br.dpnt.few 1b\n" \
161        "cmp.gt p8,p9=3,r29\n"  \
162        ";;\n"                  \
163        "(p8) mov %0=-1\n"      \
164        "(p9) mov %0=r0\n"      \
165        :"=r"(Acq):"m"(GLptr):"r2","r29","r30","memory"); \
166    } while (0)
167
168#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \
169    do { \
170    __asm__ volatile ("1:  ld4      r29=%1\n" \
171        ";;\n"                  \
172        "mov    ar.ccv=r29\n"   \
173        "mov    r2=r29\n"       \
174        "and    r29=-4,r29\n"   \
175        ";;\n"                  \
176        "cmpxchg4.acq   r30=%1,r29,ar.ccv\n" \
177        ";;\n"                  \
178        "cmp.eq p6,p7=r2,r30\n" \
179        "(p7) br.dpnt.few 1b\n" \
180        "and    %0=1,r2\n"      \
181        ";;\n"                  \
182        :"=r"(Acq):"m"(GLptr):"r2","r29","r30","memory"); \
183    } while (0)
184/*! [End] no source code translation !*/
185
186
187#else /* DO IA32 */
188#define COMPILER_DEPENDENT_UINT64   unsigned long long
189#define ACPI_ASM_MACROS
190#define causeinterrupt(level)
191#define BREAKPOINT3
192#define disable() __cli()
193#define enable()  __sti()
194#define halt()    __asm__ __volatile__ ("sti; hlt":::"memory")
195#define wbinvd()  __asm__ __volatile__ ("wbinvd":::"memory")
196
197/*! [Begin] no source code translation
198 *
199 * A brief explanation as GNU inline assembly is a bit hairy
200 *  %0 is the output parameter in EAX ("=a")
201 *  %1 and %2 are the input parameters in ECX ("c")
202 *  and an immediate value ("i") respectively
203 *  All actual register references are preceded with "%%" as in "%%edx"
204 *  Immediate values in the assembly are preceded by "$" as in "$0x1"
205 *  The final asm parameter are the operation altered non-output registers.
206 */
207#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \
208    do { \
209        int dummy; \
210        asm("1:     movl (%1),%%eax;" \
211            "movl   %%eax,%%edx;" \
212            "andl   %2,%%edx;" \
213            "btsl   $0x1,%%edx;" \
214            "adcl   $0x0,%%edx;" \
215            "lock;  cmpxchgl %%edx,(%1);" \
216            "jnz    1b;" \
217            "cmpb   $0x3,%%dl;" \
218            "sbbl   %%eax,%%eax" \
219            :"=a"(Acq),"=c"(dummy):"c"(GLptr),"i"(~1L):"dx"); \
220    } while(0)
221
222#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \
223    do { \
224        int dummy; \
225        asm("1:     movl (%1),%%eax;" \
226            "movl   %%eax,%%edx;" \
227            "andl   %2,%%edx;" \
228            "lock;  cmpxchgl %%edx,(%1);" \
229            "jnz    1b;" \
230            "andl   $0x1,%%eax" \
231            :"=a"(Acq),"=c"(dummy):"c"(GLptr),"i"(~3L):"dx"); \
232    } while(0)
233
234/*! [End] no source code translation !*/
235
236#endif /* IA 32 */
237
238#endif /* __ACGCC_H__ */
239