3 files changed, 85 insertions, 0 deletions
diff --git a/xenolinux-2.4.25-sparse/arch/xeno/lib/Makefile b/xenolinux-2.4.25-sparse/arch/xeno/lib/Makefile
new file mode 100644
index 0000000000..3bbf40148e
--- /dev/null
+++ b/xenolinux-2.4.25-sparse/arch/xeno/lib/Makefile
@@ -0,0 +1,15 @@
+
+.S.o:
+	$(CC) $(AFLAGS) -c $< -o $*.o
+
+L_TARGET = lib.a
+
+obj-y = checksum.o old-checksum.o delay.o \
+	usercopy.o getuser.o \
+	memcpy.o strstr.o xeno_proc.o
+
+obj-$(CONFIG_X86_USE_3DNOW) += mmx.o
+obj-$(CONFIG_HAVE_DEC_LOCK) += dec_and_lock.o
+obj-$(CONFIG_DEBUG_IOVIRT)  += iodebug.o
+
+include $(TOPDIR)/Rules.make
diff --git a/xenolinux-2.4.25-sparse/arch/xeno/lib/delay.c b/xenolinux-2.4.25-sparse/arch/xeno/lib/delay.c
new file mode 100644
index 0000000000..0035bed074
--- /dev/null
+++ b/xenolinux-2.4.25-sparse/arch/xeno/lib/delay.c
@@ -0,0 +1,52 @@
+/*
+ *	Precise Delay Loops for i386
+ *
+ *	Copyright (C) 1993 Linus Torvalds
+ *	Copyright (C) 1997 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
+ *
+ *	The __delay function must _NOT_ be inlined as its execution time
+ *	depends wildly on alignment on many x86 processors. The additional
+ *	jump magic is needed to get the timing stable on all the CPU's
+ *	we have to worry about.
+ */
+
+#include <linux/config.h>
+#include <linux/sched.h>
+#include <linux/delay.h>
+#include <asm/processor.h>
+#include <asm/delay.h>
+
+#ifdef CONFIG_SMP
+#include <asm/smp.h>
+#endif
+
+void __delay(unsigned long loops)
+{
+	unsigned long bclock, now;
+	
+	rdtscl(bclock);
+	do
+	{
+		rep_nop();
+		rdtscl(now);
+	} while ((now-bclock) < loops);
+}
+
+inline void __const_udelay(unsigned long xloops)
+{
+	int d0;
+	__asm__("mull %0"
+		:"=d" (xloops), "=&a" (d0)
+		:"1" (xloops),"0" (current_cpu_data.loops_per_jiffy));
+        __delay(xloops * HZ);
+}
+
+void __udelay(unsigned long usecs)
+{
+	__const_udelay(usecs * 0x000010c6);  /* 2**32 / 1000000 */
+}
+
+void __ndelay(unsigned long nsecs)
+{
+	__const_udelay(nsecs * 0x00005);  /* 2**32 / 1000000000 (rounded up) */
+}
diff --git a/xenolinux-2.4.25-sparse/arch/xeno/lib/xeno_proc.c b/xenolinux-2.4.25-sparse/arch/xeno/lib/xeno_proc.c
new file mode 100644
index 0000000000..40b0d6086f
--- /dev/null
+++ b/xenolinux-2.4.25-sparse/arch/xeno/lib/xeno_proc.c
@@ -0,0 +1,18 @@
+
+#include <linux/config.h>
+#include <linux/proc_fs.h>
+
+static struct proc_dir_entry *xeno_base;
+
+struct proc_dir_entry *create_xeno_proc_entry(const char *name, mode_t mode)
+{
+    if ( xeno_base == NULL )
+        if ( (xeno_base = proc_mkdir("xeno", &proc_root)) == NULL )
+            panic("Couldn't create /proc/xeno");
+    return create_proc_entry(name, mode, xeno_base);
+}
+
+void remove_xeno_proc_entry(const char *name)
+{
+    remove_proc_entry(name, xeno_base);
+}