null__acpi_8h_source.html

 #ifndef _IPXE_NULL_ACPI_H
 #define _IPXE_NULL_ACPI_H

 /** @file
  *
  * Standard do-nothing ACPI interface
  *
  */

 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );

 #ifdef ACPI_NULL
 #define ACPI_PREFIX_null
 #else
 #define ACPI_PREFIX_null __null_
 #endif

 static inline __attribute__ (( always_inline )) userptr_t
 ACPI_INLINE ( null, acpi_find ) ( uint32_t signature __unused,
                                   unsigned int index __unused ) {

         return UNULL;
 }

 #endif /* _IPXE_NULL_ACPI_H */
index
long index
Definition: bigint.h:62

userptr_t
uint32_t userptr_t
A pointer to a user buffer.
Definition: libkir.h:159

__unused
#define __unused
Declare a variable or data structure as unused.
Definition: compiler.h:573

acpi_find
static acpi_find(uint32_t signature __unused, unsigned int index __unused)
Locate ACPI table.
Definition: null_acpi.h:19

uint32_t
unsigned int uint32_t
Definition: stdint.h:12

ACPI_INLINE
#define ACPI_INLINE(_subsys, _api_func)
Calculate static inline ACPI API function name.
Definition: acpi.h:336

UNULL
#define UNULL
Equivalent of NULL for user pointers.
Definition: uaccess.h:42

__attribute__
static __attribute__((always_inline)) userptr_t ACPI_INLINE(null

FILE_LICENCE
FILE_LICENCE(GPL2_OR_LATER_OR_UBDL)

signature
u8 signature
CPU signature.
Definition: CIB_PRM.h:35