diff options
Diffstat (limited to 'libc/kernel/arch-x86/asm/percpu_32.h')
-rw-r--r-- | libc/kernel/arch-x86/asm/percpu_32.h | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/libc/kernel/arch-x86/asm/percpu_32.h b/libc/kernel/arch-x86/asm/percpu_32.h deleted file mode 100644 index 21135d6..0000000 --- a/libc/kernel/arch-x86/asm/percpu_32.h +++ /dev/null @@ -1,36 +0,0 @@ -/**************************************************************************** - **************************************************************************** - *** - *** 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 |