diff options
Diffstat (limited to 'libc/kernel/arch-x86/asm/system_32.h')
| -rw-r--r-- | libc/kernel/arch-x86/asm/system_32.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/libc/kernel/arch-x86/asm/system_32.h b/libc/kernel/arch-x86/asm/system_32.h new file mode 100644 index 0000000..d799ae6 --- /dev/null +++ b/libc/kernel/arch-x86/asm/system_32.h @@ -0,0 +1,33 @@ +/**************************************************************************** + **************************************************************************** + *** + *** 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 __ASM_SYSTEM_H +#define __ASM_SYSTEM_H + +#include <linux/kernel.h> +#include <asm/segment.h> +#include <asm/cpufeature.h> +#include <asm/cmpxchg.h> + +#define nop() __asm__ __volatile__ ("nop") +#define mb() alternative("lock; addl $0,0(%%esp)", "mfence", X86_FEATURE_XMM2) +#define rmb() alternative("lock; addl $0,0(%%esp)", "lfence", X86_FEATURE_XMM2) +#define wmb() alternative("lock; addl $0,0(%%esp)", "sfence", X86_FEATURE_XMM) +#define read_barrier_depends() do { } while(0) +#define smp_mb() barrier() +#define smp_rmb() barrier() +#define smp_wmb() barrier() +#define smp_read_barrier_depends() do { } while(0) +#define set_mb(var, value) do { var = value; barrier(); } while (0) +#include <linux/irqflags.h> +#define HAVE_DISABLE_HLT + +#endif |