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Linux OSL: cleanup/update/merge, add ACPI_THREAD_ID.

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Merge the OSL with the actual file used by Linux, so that the file does
not require patching when integrated with Linux. General cleanup and
some restructuring.
This commit is contained in:
Robert Moore 2009-04-16 15:34:06 -07:00
parent 4feeacbe2a
commit 32b66e9626
1 changed files with 69 additions and 11 deletions
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80
source/include/platform/aclinux.h
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@ -1,6 +1,6 @@
/******************************************************************************
*
* Name: aclinux.h - OS specific defines, etc.
* Name: aclinux.h - OS specific defines, etc. for Linux
*
*****************************************************************************/
@ -116,32 +116,39 @@
#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__
/* Linux kernel uses real mutex objects */
#define ACPI_MUTEX_TYPE ACPI_OSL_MUTEX
#include <linux/config.h>
#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 */
/* Host-dependent types and defines for in-kernel ACPICA */
#define ACPI_MACHINE_WIDTH BITS_PER_LONG
#define ACPI_CACHE_T kmem_cache_t
#define ACPI_SPINLOCK spinlock_t
#define ACPI_EXPORT_SYMBOL(Symbol) EXPORT_SYMBOL(Symbol);
#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
#define ACPI_THREAD_ID struct task_struct *
#else /* !__KERNEL__ */
#include <stdarg.h>
@ -150,6 +157,11 @@
#include <ctype.h>
#include <unistd.h>
/* Host-dependent types and defines for user-space ACPICA */
#define ACPI_FLUSH_CPU_CACHE()
#define ACPI_THREAD_ID pthread_t
#if defined(__ia64__) || defined(__x86_64__)
#define ACPI_MACHINE_WIDTH 64
#define COMPILER_DEPENDENT_INT64 long
@ -165,11 +177,57 @@
#define __cdecl
#endif
#define ACPI_FLUSH_CPU_CACHE()
#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__ */