1/* 2 * asm-ia64/acpi.h 3 * 4 * Copyright (C) 1999 VA Linux Systems 5 * Copyright (C) 1999 Walt Drummond <drummond@valinux.com> 6 * Copyright (C) 2000,2001 J.I. Lee <jung-ik.lee@intel.com> 7 * Copyright (C) 2001,2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> 8 * 9 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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 */ 27 28#ifndef _ASM_ACPI_H 29#define _ASM_ACPI_H 30 31#ifdef __KERNEL__ 32 33#define COMPILER_DEPENDENT_INT64 long 34#define COMPILER_DEPENDENT_UINT64 unsigned long 35 36/* 37 * Calling conventions: 38 * 39 * ACPI_SYSTEM_XFACE - Interfaces to host OS (handlers, threads) 40 * ACPI_EXTERNAL_XFACE - External ACPI interfaces 41 * ACPI_INTERNAL_XFACE - Internal ACPI interfaces 42 * ACPI_INTERNAL_VAR_XFACE - Internal variable-parameter list interfaces 43 */ 44#define ACPI_SYSTEM_XFACE 45#define ACPI_EXTERNAL_XFACE 46#define ACPI_INTERNAL_XFACE 47#define ACPI_INTERNAL_VAR_XFACE 48 49/* Asm macros */ 50 51#define ACPI_ASM_MACROS 52#define BREAKPOINT3 53#define ACPI_DISABLE_IRQS() __cli() 54#define ACPI_ENABLE_IRQS() __sti() 55#define ACPI_FLUSH_CPU_CACHE() 56 57#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \ 58 do { \ 59 __asm__ volatile ("1: ld4 r29=%1\n" \ 60 ";;\n" \ 61 "mov ar.ccv=r29\n" \ 62 "mov r2=r29\n" \ 63 "shr.u r30=r29,1\n" \ 64 "and r29=-4,r29\n" \ 65 ";;\n" \ 66 "add r29=2,r29\n" \ 67 "and r30=1,r30\n" \ 68 ";;\n" \ 69 "add r29=r29,r30\n" \ 70 ";;\n" \ 71 "cmpxchg4.acq r30=%1,r29,ar.ccv\n" \ 72 ";;\n" \ 73 "cmp.eq p6,p7=r2,r30\n" \ 74 "(p7) br.dpnt.few 1b\n" \ 75 "cmp.gt p8,p9=3,r29\n" \ 76 ";;\n" \ 77 "(p8) mov %0=-1\n" \ 78 "(p9) mov %0=r0\n" \ 79 :"=r"(Acq):"m"(GLptr):"r2","r29","r30","memory"); \ 80 } while (0) 81 82#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \ 83 do { \ 84 __asm__ volatile ("1: ld4 r29=%1\n" \ 85 ";;\n" \ 86 "mov ar.ccv=r29\n" \ 87 "mov r2=r29\n" \ 88 "and r29=-4,r29\n" \ 89 ";;\n" \ 90 "cmpxchg4.acq r30=%1,r29,ar.ccv\n" \ 91 ";;\n" \ 92 "cmp.eq p6,p7=r2,r30\n" \ 93 "(p7) br.dpnt.few 1b\n" \ 94 "and %0=1,r2\n" \ 95 ";;\n" \ 96 :"=r"(Acq):"m"(GLptr):"r2","r29","r30","memory"); \ 97 } while (0) 98 99const char *acpi_get_sysname (void); 100int acpi_boot_init (char *cdline); 101int acpi_request_vector (u32 int_type); 102int acpi_get_prt (struct pci_vector_struct **vectors, int *count); 103int acpi_get_interrupt_model (int *type); 104int acpi_irq_to_vector (u32 irq); 105 106#ifdef CONFIG_DISCONTIGMEM 107#define NODE_ARRAY_INDEX(x) ((x) / 8) /* 8 bits/char */ 108#define NODE_ARRAY_OFFSET(x) ((x) % 8) /* 8 bits/char */ 109#define MAX_PXM_DOMAINS (256) 110#endif /* CONFIG_DISCONTIGMEM */ 111 112#endif /*__KERNEL__*/ 113 114#endif /*_ASM_ACPI_H*/ 115