Code drop from //branches/cupcake/...@124589

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