diff options
author | Kevin | 2014-11-15 09:58:27 +0800 |
---|---|---|
committer | Kevin | 2014-11-15 09:58:27 +0800 |
commit | 392e8802486cb573b916e746010e141a75f507e6 (patch) | |
tree | 50029aca02c81f087b90336e670b44e510782330 /ANDROID_3.4.5/include/acpi/platform | |
download | FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.tar.gz FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.tar.bz2 FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.zip |
init android origin source code
Diffstat (limited to 'ANDROID_3.4.5/include/acpi/platform')
-rw-r--r-- | ANDROID_3.4.5/include/acpi/platform/acenv.h | 380 | ||||
-rw-r--r-- | ANDROID_3.4.5/include/acpi/platform/acgcc.h | 71 | ||||
-rw-r--r-- | ANDROID_3.4.5/include/acpi/platform/aclinux.h | 180 |
3 files changed, 631 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/include/acpi/platform/acenv.h b/ANDROID_3.4.5/include/acpi/platform/acenv.h new file mode 100644 index 00000000..5af3ed52 --- /dev/null +++ b/ANDROID_3.4.5/include/acpi/platform/acenv.h @@ -0,0 +1,380 @@ +/****************************************************************************** + * + * Name: acenv.h - Generation environment specific items + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2011, 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 __ACENV_H__ +#define __ACENV_H__ + +/* Types for ACPI_MUTEX_TYPE */ + +#define ACPI_BINARY_SEMAPHORE 0 +#define ACPI_OSL_MUTEX 1 + +/* Types for DEBUGGER_THREADING */ + +#define DEBUGGER_SINGLE_THREADED 0 +#define DEBUGGER_MULTI_THREADED 1 + +/****************************************************************************** + * + * Configuration for ACPI tools and utilities + * + *****************************************************************************/ + +#ifdef ACPI_LIBRARY +/* + * Note: The non-debug version of the acpi_library does not contain any + * debug support, for minimal size. The debug version uses ACPI_FULL_DEBUG + */ +#define ACPI_USE_LOCAL_CACHE +#endif + +#ifdef ACPI_ASL_COMPILER +#define ACPI_DEBUG_OUTPUT +#define ACPI_APPLICATION +#define ACPI_DISASSEMBLER +#define ACPI_CONSTANT_EVAL_ONLY +#define ACPI_LARGE_NAMESPACE_NODE +#define ACPI_DATA_TABLE_DISASSEMBLY +#endif + +#ifdef ACPI_EXEC_APP +#undef DEBUGGER_THREADING +#define DEBUGGER_THREADING DEBUGGER_SINGLE_THREADED +#define ACPI_FULL_DEBUG +#define ACPI_APPLICATION +#define ACPI_DEBUGGER +#define ACPI_MUTEX_DEBUG +#define ACPI_DBG_TRACK_ALLOCATIONS +#endif + +#ifdef ACPI_APPLICATION +#define ACPI_USE_SYSTEM_CLIBRARY +#define ACPI_USE_LOCAL_CACHE +#endif + +#ifdef ACPI_FULL_DEBUG +#define ACPI_DEBUGGER +#define ACPI_DEBUG_OUTPUT +#define ACPI_DISASSEMBLER +#endif + +/* + * Environment configuration. The purpose of this file is to interface to the + * local generation environment. + * + * 1) ACPI_USE_SYSTEM_CLIBRARY - Define this if linking to an actual C library. + * Otherwise, local versions of string/memory functions will be used. + * 2) ACPI_USE_STANDARD_HEADERS - Define this if linking to a C library and + * the standard header files may be used. + * + * The ACPI subsystem only uses low level C library functions that do not call + * operating system services and may therefore be inlined in the code. + * + * It may be necessary to tailor these include files to the target + * generation environment. + * + * + * Functions and constants used from each header: + * + * string.h: memcpy + * memset + * strcat + * strcmp + * strcpy + * strlen + * strncmp + * strncat + * strncpy + * + * stdlib.h: strtoul + * + * stdarg.h: va_list + * va_arg + * va_start + * va_end + * + */ + +/*! [Begin] no source code translation */ + +#if defined(_LINUX) || defined(__linux__) +#include "aclinux.h" + +#elif defined(_AED_EFI) +#include "acefi.h" + +#elif defined(WIN32) +#include "acwin.h" + +#elif defined(WIN64) +#include "acwin64.h" + +#elif defined(MSDOS) /* Must appear after WIN32 and WIN64 check */ +#include "acdos16.h" + +#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) +#include "acfreebsd.h" + +#elif defined(__NetBSD__) +#include "acnetbsd.h" + +#elif defined(MODESTO) +#include "acmodesto.h" + +#elif defined(NETWARE) +#include "acnetware.h" + +#elif defined(__sun) +#include "acsolaris.h" + +#else + +/* All other environments */ + +#define ACPI_USE_STANDARD_HEADERS + +#define COMPILER_DEPENDENT_INT64 long long +#define COMPILER_DEPENDENT_UINT64 unsigned long long + +#endif + +/*! [End] no source code translation !*/ + +/****************************************************************************** + * + * Miscellaneous configuration + * + *****************************************************************************/ + +/* + * Are mutexes supported by the host? default is no, use binary semaphores. + */ +#ifndef ACPI_MUTEX_TYPE +#define ACPI_MUTEX_TYPE ACPI_BINARY_SEMAPHORE +#endif + +/* "inline" keywords - configurable since inline is not standardized */ + +#ifndef ACPI_INLINE +#define ACPI_INLINE +#endif + +/* + * Debugger threading model + * Use single threaded if the entire subsystem is contained in an application + * Use multiple threaded when the subsystem is running in the kernel. + * + * By default the model is single threaded if ACPI_APPLICATION is set, + * multi-threaded if ACPI_APPLICATION is not set. + */ +#ifndef DEBUGGER_THREADING +#ifdef ACPI_APPLICATION +#define DEBUGGER_THREADING DEBUGGER_SINGLE_THREADED + +#else +#define DEBUGGER_THREADING DEBUGGER_MULTI_THREADED +#endif +#endif /* !DEBUGGER_THREADING */ + +/****************************************************************************** + * + * C library configuration + * + *****************************************************************************/ + +#define ACPI_IS_ASCII(c) ((c) < 0x80) + +#ifdef ACPI_USE_SYSTEM_CLIBRARY +/* + * Use the standard C library headers. + * We want to keep these to a minimum. + */ +#ifdef ACPI_USE_STANDARD_HEADERS +/* + * Use the standard headers from the standard locations + */ +#include <stdarg.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> + +#endif /* ACPI_USE_STANDARD_HEADERS */ + +/* + * We will be linking to the standard Clib functions + */ +#define ACPI_STRSTR(s1,s2) strstr((s1), (s2)) +#define ACPI_STRCHR(s1,c) strchr((s1), (c)) +#define ACPI_STRLEN(s) (acpi_size) strlen((s)) +#define ACPI_STRCPY(d,s) (void) strcpy((d), (s)) +#define ACPI_STRNCPY(d,s,n) (void) strncpy((d), (s), (acpi_size)(n)) +#define ACPI_STRNCMP(d,s,n) strncmp((d), (s), (acpi_size)(n)) +#define ACPI_STRCMP(d,s) strcmp((d), (s)) +#define ACPI_STRCAT(d,s) (void) strcat((d), (s)) +#define ACPI_STRNCAT(d,s,n) strncat((d), (s), (acpi_size)(n)) +#define ACPI_STRTOUL(d,s,n) strtoul((d), (s), (acpi_size)(n)) +#define ACPI_MEMCMP(s1,s2,n) memcmp((const char *)(s1), (const char *)(s2), (acpi_size)(n)) +#define ACPI_MEMCPY(d,s,n) (void) memcpy((d), (s), (acpi_size)(n)) +#define ACPI_MEMSET(d,s,n) (void) memset((d), (s), (acpi_size)(n)) + +#define ACPI_TOUPPER(i) toupper((int) (i)) +#define ACPI_TOLOWER(i) tolower((int) (i)) +#define ACPI_IS_XDIGIT(i) isxdigit((int) (i)) +#define ACPI_IS_DIGIT(i) isdigit((int) (i)) +#define ACPI_IS_SPACE(i) isspace((int) (i)) +#define ACPI_IS_UPPER(i) isupper((int) (i)) +#define ACPI_IS_PRINT(i) isprint((int) (i)) +#define ACPI_IS_ALPHA(i) isalpha((int) (i)) + +#else + +/****************************************************************************** + * + * Not using native C library, use local implementations + * + *****************************************************************************/ + + /* + * Use local definitions of C library macros and functions + * NOTE: The function implementations may not be as efficient + * as an inline or assembly code implementation provided by a + * native C library. + */ + +#ifndef va_arg + +#ifndef _VALIST +#define _VALIST +typedef char *va_list; +#endif /* _VALIST */ + +/* + * Storage alignment properties + */ +#define _AUPBND (sizeof (acpi_native_int) - 1) +#define _ADNBND (sizeof (acpi_native_int) - 1) + +/* + * Variable argument list macro definitions + */ +#define _bnd(X, bnd) (((sizeof (X)) + (bnd)) & (~(bnd))) +#define va_arg(ap, T) (*(T *)(((ap) += (_bnd (T, _AUPBND))) - (_bnd (T,_ADNBND)))) +#define va_end(ap) (void) 0 +#define va_start(ap, A) (void) ((ap) = (((char *) &(A)) + (_bnd (A,_AUPBND)))) + +#endif /* va_arg */ + +#define ACPI_STRSTR(s1,s2) acpi_ut_strstr ((s1), (s2)) +#define ACPI_STRCHR(s1,c) acpi_ut_strchr ((s1), (c)) +#define ACPI_STRLEN(s) (acpi_size) acpi_ut_strlen ((s)) +#define ACPI_STRCPY(d,s) (void) acpi_ut_strcpy ((d), (s)) +#define ACPI_STRNCPY(d,s,n) (void) acpi_ut_strncpy ((d), (s), (acpi_size)(n)) +#define ACPI_STRNCMP(d,s,n) acpi_ut_strncmp ((d), (s), (acpi_size)(n)) +#define ACPI_STRCMP(d,s) acpi_ut_strcmp ((d), (s)) +#define ACPI_STRCAT(d,s) (void) acpi_ut_strcat ((d), (s)) +#define ACPI_STRNCAT(d,s,n) acpi_ut_strncat ((d), (s), (acpi_size)(n)) +#define ACPI_STRTOUL(d,s,n) acpi_ut_strtoul ((d), (s), (acpi_size)(n)) +#define ACPI_MEMCMP(s1,s2,n) acpi_ut_memcmp((const char *)(s1), (const char *)(s2), (acpi_size)(n)) +#define ACPI_MEMCPY(d,s,n) (void) acpi_ut_memcpy ((d), (s), (acpi_size)(n)) +#define ACPI_MEMSET(d,v,n) (void) acpi_ut_memset ((d), (v), (acpi_size)(n)) +#define ACPI_TOUPPER(c) acpi_ut_to_upper ((int) (c)) +#define ACPI_TOLOWER(c) acpi_ut_to_lower ((int) (c)) + +#endif /* ACPI_USE_SYSTEM_CLIBRARY */ + +/****************************************************************************** + * + * Assembly code macros + * + *****************************************************************************/ + +/* + * Handle platform- and compiler-specific assembly language differences. + * These should already have been defined by the platform includes above. + * + * Notes: + * 1) Interrupt 3 is used to break into a debugger + * 2) Interrupts are turned off during ACPI register setup + */ + +/* Unrecognized compiler, use defaults */ + +#ifndef ACPI_ASM_MACROS + +/* + * 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 + +#define ACPI_ASM_MACROS +#define BREAKPOINT3 +#define ACPI_DISABLE_IRQS() +#define ACPI_ENABLE_IRQS() +#define ACPI_ACQUIRE_GLOBAL_LOCK(Glptr, acq) +#define ACPI_RELEASE_GLOBAL_LOCK(Glptr, acq) + +#endif /* ACPI_ASM_MACROS */ + +#ifdef ACPI_APPLICATION + +/* Don't want software interrupts within a ring3 application */ + +#undef BREAKPOINT3 +#define BREAKPOINT3 +#endif + +/****************************************************************************** + * + * Compiler-specific information is contained in the compiler-specific + * headers. + * + *****************************************************************************/ +#endif /* __ACENV_H__ */ diff --git a/ANDROID_3.4.5/include/acpi/platform/acgcc.h b/ANDROID_3.4.5/include/acpi/platform/acgcc.h new file mode 100644 index 00000000..e2288935 --- /dev/null +++ b/ANDROID_3.4.5/include/acpi/platform/acgcc.h @@ -0,0 +1,71 @@ +/****************************************************************************** + * + * Name: acgcc.h - GCC specific defines, etc. + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2011, 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 __ACGCC_H__ +#define __ACGCC_H__ + +#define ACPI_INLINE __inline__ + +/* Function name is used for debug output. Non-ANSI, compiler-dependent */ + +#define ACPI_GET_FUNCTION_NAME __func__ + +/* + * This macro is used to tag functions as "printf-like" because + * some compilers (like GCC) can catch printf format string problems. + */ +#define ACPI_PRINTF_LIKE(c) __attribute__ ((__format__ (__printf__, c, c+1))) + +/* + * Some compilers complain about unused variables. Sometimes we don't want to + * use all the variables (for example, _acpi_module_name). This allows us + * to tell the compiler warning in a per-variable manner that a variable + * is unused. + */ +#define ACPI_UNUSED_VAR __attribute__ ((unused)) + +#ifdef _ANSI +#define inline +#endif + +#endif /* __ACGCC_H__ */ diff --git a/ANDROID_3.4.5/include/acpi/platform/aclinux.h b/ANDROID_3.4.5/include/acpi/platform/aclinux.h new file mode 100644 index 00000000..6fbc4cab --- /dev/null +++ b/ANDROID_3.4.5/include/acpi/platform/aclinux.h @@ -0,0 +1,180 @@ +/****************************************************************************** + * + * Name: aclinux.h - OS specific defines, etc. for Linux + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2011, 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/ctype.h> +#include <linux/sched.h> +#include <linux/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() +#define ACPI_CAST_PTHREAD_T(pthread) ((acpi_thread_id) (pthread)) + +#if defined(__ia64__) || defined(__x86_64__) +#define ACPI_MACHINE_WIDTH 64 +#define COMPILER_DEPENDENT_INT64 long +#define COMPILER_DEPENDENT_UINT64 unsigned long +#else +#define ACPI_MACHINE_WIDTH 32 +#define COMPILER_DEPENDENT_INT64 long long +#define COMPILER_DEPENDENT_UINT64 unsigned long long +#define ACPI_USE_NATIVE_DIVIDE +#endif + +#ifndef __cdecl +#define __cdecl +#endif + +#endif /* __KERNEL__ */ + +/* Linux uses GCC */ + +#include "acgcc.h" + + +#ifdef __KERNEL__ +#include <acpi/actypes.h> +/* + * Overrides for in-kernel ACPICA + */ +static inline acpi_thread_id acpi_os_get_thread_id(void) +{ + return (acpi_thread_id)(unsigned long)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. + */ +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) + +#ifndef CONFIG_PREEMPT +/* + * Used within ACPICA to show where it is safe to preempt execution + * when CONFIG_PREEMPT=n + */ +#define ACPI_PREEMPTION_POINT() \ + do { \ + if (!irqs_disabled()) \ + cond_resched(); \ + } while (0) +#endif + +/* + * When lockdep is enabled, the spin_lock_init() macro stringifies it's + * argument and uses that as a name for the lock in debugging. + * By executing spin_lock_init() in a macro the key changes from "lock" for + * all locks to the name of the argument of acpi_os_create_lock(), which + * prevents lockdep from reporting false positives for ACPICA locks. + */ +#define acpi_os_create_lock(__handle) \ +({ \ + spinlock_t *lock = ACPI_ALLOCATE(sizeof(*lock)); \ + \ + if (lock) { \ + *(__handle) = lock; \ + spin_lock_init(*(__handle)); \ + } \ + lock ? AE_OK : AE_NO_MEMORY; \ +}) + +#endif /* __KERNEL__ */ + +#endif /* __ACLINUX_H__ */ |