X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=ndk%2Fandroid-ndk-r4%2Fdarwin%2Fplatforms%2Fandroid-8%2Farch-x86%2Fusr%2Finclude%2Fasm%2Fpercpu_32.h;fp=ndk%2Fandroid-ndk-r4%2Fdarwin%2Fplatforms%2Fandroid-8%2Farch-x86%2Fusr%2Finclude%2Fasm%2Fpercpu_32.h;h=21135d6a6a31dd8ad7664de220b1eb03fd1e629f;hb=72eddb87bfc38a2f6fae40566ec6380eb838489a;hp=0000000000000000000000000000000000000000;hpb=e19e12d257815bef7bfe4f3d81056a5b2464c464;p=android-x86%2Fprebuilt.git diff --git a/ndk/android-ndk-r4/darwin/platforms/android-8/arch-x86/usr/include/asm/percpu_32.h b/ndk/android-ndk-r4/darwin/platforms/android-8/arch-x86/usr/include/asm/percpu_32.h new file mode 100644 index 0000000..21135d6 --- /dev/null +++ b/ndk/android-ndk-r4/darwin/platforms/android-8/arch-x86/usr/include/asm/percpu_32.h @@ -0,0 +1,36 @@ +/**************************************************************************** + **************************************************************************** + *** + *** 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 +#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