| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** 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. |
| *** |
| *** To edit the content of this header, modify the corresponding |
| *** source file (e.g. under external/kernel-headers/original/) then |
| *** run bionic/libc/kernel/tools/update_all.py |
| *** |
| *** Any manual change here will be lost the next time this script will |
| *** be run. You've been warned! |
| *** |
| **************************************************************************** |
| ****************************************************************************/ |
| #ifndef __ARCH_I386_PERCPU__ |
| #define __ARCH_I386_PERCPU__ |
| #ifdef __ASSEMBLY__ |
| #define PER_CPU(var, reg) movl $per_cpu__##var, reg |
| /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ |
| #define PER_CPU_VAR(var) per_cpu__##var |
| #else |
| #include <asm-generic/percpu.h> |
| #define __percpu_seg "" |
| /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ |
| #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) |
| /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ |
| #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 |
| /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ |
| #endif |
