acpi.h
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上传日期:2013-04-10
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- /*
- * asm-ia64/acpi.h
- *
- * Copyright (C) 1999 VA Linux Systems
- * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
- * Copyright (C) 2000,2001 J.I. Lee <jung-ik.lee@intel.com>
- * Copyright (C) 2001,2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- */
- #ifndef _ASM_ACPI_H
- #define _ASM_ACPI_H
- #ifdef __KERNEL__
- #define COMPILER_DEPENDENT_INT64 long
- #define COMPILER_DEPENDENT_UINT64 unsigned long
- /*
- * Calling conventions:
- *
- * ACPI_SYSTEM_XFACE - Interfaces to host OS (handlers, threads)
- * ACPI_EXTERNAL_XFACE - External ACPI interfaces
- * ACPI_INTERNAL_XFACE - Internal ACPI interfaces
- * ACPI_INTERNAL_VAR_XFACE - Internal variable-parameter list interfaces
- */
- #define ACPI_SYSTEM_XFACE
- #define ACPI_EXTERNAL_XFACE
- #define ACPI_INTERNAL_XFACE
- #define ACPI_INTERNAL_VAR_XFACE
- /* Asm macros */
- #define ACPI_ASM_MACROS
- #define BREAKPOINT3
- #define ACPI_DISABLE_IRQS() __cli()
- #define ACPI_ENABLE_IRQS() __sti()
- #define ACPI_FLUSH_CPU_CACHE()
- #define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq)
- do {
- __asm__ volatile ("1: ld4 r29=%1n"
- ";;n"
- "mov ar.ccv=r29n"
- "mov r2=r29n"
- "shr.u r30=r29,1n"
- "and r29=-4,r29n"
- ";;n"
- "add r29=2,r29n"
- "and r30=1,r30n"
- ";;n"
- "add r29=r29,r30n"
- ";;n"
- "cmpxchg4.acq r30=%1,r29,ar.ccvn"
- ";;n"
- "cmp.eq p6,p7=r2,r30n"
- "(p7) br.dpnt.few 1bn"
- "cmp.gt p8,p9=3,r29n"
- ";;n"
- "(p8) mov %0=-1n"
- "(p9) mov %0=r0n"
- :"=r"(Acq):"m"(GLptr):"r2","r29","r30","memory");
- } while (0)
- #define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq)
- do {
- __asm__ volatile ("1: ld4 r29=%1n"
- ";;n"
- "mov ar.ccv=r29n"
- "mov r2=r29n"
- "and r29=-4,r29n"
- ";;n"
- "cmpxchg4.acq r30=%1,r29,ar.ccvn"
- ";;n"
- "cmp.eq p6,p7=r2,r30n"
- "(p7) br.dpnt.few 1bn"
- "and %0=1,r2n"
- ";;n"
- :"=r"(Acq):"m"(GLptr):"r2","r29","r30","memory");
- } while (0)
- const char *acpi_get_sysname (void);
- int acpi_boot_init (char *cdline);
- int acpi_request_vector (u32 int_type);
- int acpi_get_prt (struct pci_vector_struct **vectors, int *count);
- int acpi_get_interrupt_model (int *type);
- int acpi_irq_to_vector (u32 irq);
- #ifdef CONFIG_DISCONTIGMEM
- #define NODE_ARRAY_INDEX(x) ((x) / 8) /* 8 bits/char */
- #define NODE_ARRAY_OFFSET(x) ((x) % 8) /* 8 bits/char */
- #define MAX_PXM_DOMAINS (256)
- #endif /* CONFIG_DISCONTIGMEM */
- #endif /*__KERNEL__*/
- #endif /*_ASM_ACPI_H*/