diff options
author | Jung-uk Kim <jkim@FreeBSD.org> | 2012-02-16 00:24:10 +0000 |
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committer | Jung-uk Kim <jkim@FreeBSD.org> | 2012-02-16 00:24:10 +0000 |
commit | 5437485bdb98c4b00f15969e013c454426e9c862 (patch) | |
tree | 71526afe7e3c45a4c88ba7b5d8d57d1e469feec2 /source/include/platform/aclinux.h | |
parent | 234358d94982312d34c80b868fea481307fb3a48 (diff) |
Notes
Diffstat (limited to 'source/include/platform/aclinux.h')
-rw-r--r-- | source/include/platform/aclinux.h | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/source/include/platform/aclinux.h b/source/include/platform/aclinux.h new file mode 100644 index 000000000000..edfff150ed58 --- /dev/null +++ b/source/include/platform/aclinux.h @@ -0,0 +1,161 @@ +/****************************************************************************** + * + * Name: aclinux.h - OS specific defines, etc. for Linux + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2012, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#ifndef __ACLINUX_H__ +#define __ACLINUX_H__ + +/* Common (in-kernel/user-space) ACPICA configuration */ + +#define ACPI_USE_SYSTEM_CLIBRARY +#define ACPI_USE_DO_WHILE_0 +#define ACPI_MUTEX_TYPE ACPI_BINARY_SEMAPHORE + + +#ifdef __KERNEL__ + +#include <linux/string.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/ctype.h> +#include <linux/sched.h> +#include <asm/system.h> +#include <asm/atomic.h> +#include <asm/div64.h> +#include <asm/acpi.h> +#include <linux/slab.h> +#include <linux/spinlock_types.h> +#include <asm/current.h> + +/* Host-dependent types and defines for in-kernel ACPICA */ + +#define ACPI_MACHINE_WIDTH BITS_PER_LONG +#define ACPI_EXPORT_SYMBOL(symbol) EXPORT_SYMBOL(symbol); +#define strtoul simple_strtoul + +#define ACPI_CACHE_T struct kmem_cache +#define ACPI_SPINLOCK spinlock_t * +#define ACPI_CPU_FLAGS unsigned long + +#else /* !__KERNEL__ */ + +#include <stdarg.h> +#include <string.h> +#include <stdlib.h> +#include <ctype.h> +#include <unistd.h> + +/* Host-dependent types and defines for user-space ACPICA */ + +#define ACPI_FLUSH_CPU_CACHE() + +#if defined(__ia64__) || defined(__x86_64__) +#define ACPI_MACHINE_WIDTH 64 +#define COMPILER_DEPENDENT_INT64 long +#define COMPILER_DEPENDENT_UINT64 unsigned long +#define ACPI_CAST_PTHREAD_T(pthread) ((ACPI_THREAD_ID) (pthread)) +#else +#define ACPI_MACHINE_WIDTH 32 +#define COMPILER_DEPENDENT_INT64 long long +#define COMPILER_DEPENDENT_UINT64 unsigned long long +#define ACPI_USE_NATIVE_DIVIDE +#define ACPI_CAST_PTHREAD_T(pthread) ((ACPI_THREAD_ID) (UINT32) (void *) (pthread)) +#endif + +#ifndef __cdecl +#define __cdecl +#endif + +#endif /* __KERNEL__ */ + +/* Linux uses GCC */ + +#include "acgcc.h" + + +#ifdef __KERNEL__ +/* + * Overrides for in-kernel ACPICA + */ +static inline acpi_thread_id acpi_os_get_thread_id(void) +{ + return current; +} + +/* + * The irqs_disabled() check is for resume from RAM. + * Interrupts are off during resume, just like they are for boot. + * However, boot has (system_state != SYSTEM_RUNNING) + * to quiet __might_sleep() in kmalloc() and resume does not. + */ +#include <acpi/actypes.h> +static inline void *acpi_os_allocate(acpi_size size) +{ + return kmalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL); +} + +static inline void *acpi_os_allocate_zeroed(acpi_size size) +{ + return kzalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL); +} + +static inline void *acpi_os_acquire_object(acpi_cache_t * cache) +{ + return kmem_cache_zalloc(cache, + irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL); +} + +#define ACPI_ALLOCATE(a) acpi_os_allocate(a) +#define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed(a) +#define ACPI_FREE(a) kfree(a) + +/* Used within ACPICA to show where it is safe to preempt execution */ + +#define ACPI_PREEMPTION_POINT() \ + do { \ + if (!irqs_disabled()) \ + cond_resched(); \ + } while (0) + +#endif /* __KERNEL__ */ + +#endif /* __ACLINUX_H__ */ |