acpica_machdep.h revision 100969
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: head/sys/ia64/include/acpica_machdep.h 100969 2002-07-30 19:35:32Z iwasaki $ 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#define _IA64 41 42/* 43 * Calling conventions: 44 * 45 * ACPI_SYSTEM_XFACE - Interfaces to host OS (handlers, threads) 46 * ACPI_EXTERNAL_XFACE - External ACPI interfaces 47 * ACPI_INTERNAL_XFACE - Internal ACPI interfaces 48 * ACPI_INTERNAL_VAR_XFACE - Internal variable-parameter list interfaces 49 */ 50#define ACPI_SYSTEM_XFACE 51#define ACPI_EXTERNAL_XFACE 52#define ACPI_INTERNAL_XFACE 53#define ACPI_INTERNAL_VAR_XFACE 54 55/* Asm macros */ 56 57#define ACPI_ASM_MACROS 58#define BREAKPOINT3 59#define ACPI_DISABLE_IRQS() disable_intr() 60#define ACPI_ENABLE_IRQS() enable_intr() 61 62#define ACPI_FLUSH_CPU_CACHE() /* XXX ia64_fc()? */ 63 64/*! [Begin] no source code translation */ 65 66#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \ 67 do { \ 68 __asm__ volatile ("1: ld4 r29=%1\n" \ 69 ";;\n" \ 70 "mov ar.ccv=r29\n" \ 71 "mov r2=r29\n" \ 72 "shr.u r30=r29,1\n" \ 73 "and r29=-4,r29\n" \ 74 ";;\n" \ 75 "add r29=2,r29\n" \ 76 "and r30=1,r30\n" \ 77 ";;\n" \ 78 "add r29=r29,r30\n" \ 79 ";;\n" \ 80 "cmpxchg4.acq r30=%1,r29,ar.ccv\n" \ 81 ";;\n" \ 82 "cmp.eq p6,p7=r2,r30\n" \ 83 "(p7) br.dpnt.few 1b\n" \ 84 "cmp.gt p8,p9=3,r29\n" \ 85 ";;\n" \ 86 "(p8) mov %0=-1\n" \ 87 "(p9) mov %0=r0\n" \ 88 :"=r"(Acq):"m"(GLptr):"r2","r29","r30","memory"); \ 89 } while (0) 90 91#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \ 92 do { \ 93 __asm__ volatile ("1: ld4 r29=%1\n" \ 94 ";;\n" \ 95 "mov ar.ccv=r29\n" \ 96 "mov r2=r29\n" \ 97 "and r29=-4,r29\n" \ 98 ";;\n" \ 99 "cmpxchg4.acq r30=%1,r29,ar.ccv\n" \ 100 ";;\n" \ 101 "cmp.eq p6,p7=r2,r30\n" \ 102 "(p7) br.dpnt.few 1b\n" \ 103 "and %0=1,r2\n" \ 104 ";;\n" \ 105 :"=r"(Acq):"m"(GLptr):"r2","r29","r30","memory"); \ 106 } while (0) 107/*! [End] no source code translation !*/ 108 109#endif /* _KERNEL */ 110 111#define ACPI_MACHINE_WIDTH 64 112#define COMPILER_DEPENDENT_INT64 long 113#define COMPILER_DEPENDENT_UINT64 unsigned long 114 115#endif /* __ACPICA_MACHDEP_H__ */ 116