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/****************************************************************************
****************************************************************************
***
*** This header was automatically generated from a Linux kernel header
*** of the same name, to make information necessary for userspace to
*** call into the kernel available to libc. It contains only constants,
*** structures, and macros generated from the original header, and thus,
*** contains no copyrightable information.
***
****************************************************************************
****************************************************************************/
#ifndef __ARCH_I386_PERCPU__
#define __ARCH_I386_PERCPU__
#ifdef __ASSEMBLY__
#define PER_CPU(var, reg) movl $per_cpu__##var, reg
#define PER_CPU_VAR(var) per_cpu__##var
#else
#include <asm-generic/percpu.h>
#define __percpu_seg ""
#define percpu_to_op(op,var,val) do { typedef typeof(var) T__; if (0) { T__ tmp__; tmp__ = (val); } switch (sizeof(var)) { case 1: asm(op "b %1,"__percpu_seg"%0" : "+m" (var) :"ri" ((T__)val)); break; case 2: asm(op "w %1,"__percpu_seg"%0" : "+m" (var) :"ri" ((T__)val)); break; case 4: asm(op "l %1,"__percpu_seg"%0" : "+m" (var) :"ri" ((T__)val)); break; default: __bad_percpu_size(); } } while (0)
#define percpu_from_op(op,var) ({ typeof(var) ret__; switch (sizeof(var)) { case 1: asm(op "b "__percpu_seg"%1,%0" : "=r" (ret__) : "m" (var)); break; case 2: asm(op "w "__percpu_seg"%1,%0" : "=r" (ret__) : "m" (var)); break; case 4: asm(op "l "__percpu_seg"%1,%0" : "=r" (ret__) : "m" (var)); break; default: __bad_percpu_size(); } ret__; })
#define x86_read_percpu(var) percpu_from_op("mov", per_cpu__##var)
#define x86_write_percpu(var,val) percpu_to_op("mov", per_cpu__##var, val)
#define x86_add_percpu(var,val) percpu_to_op("add", per_cpu__##var, val)
#define x86_sub_percpu(var,val) percpu_to_op("sub", per_cpu__##var, val)
#define x86_or_percpu(var,val) percpu_to_op("or", per_cpu__##var, val)
#endif
#endif
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