Hello,
the patch below fixes some issues with cross compiling the
DENX linuxppc_2_4_devel tree (2.4.25) for the MPC5200. I
think they are present on Xenomai trunk as well (and even
a few more).
Wolfgang.
Index: include/asm-generic/wrappers.h
===================================================================
--- include/asm-generic/wrappers.h (revision 3869)
+++ include/asm-generic/wrappers.h (working copy)
@@ -34,6 +34,7 @@
#include <linux/wrapper.h>
#include <linux/wait.h>
#include <linux/sched.h>
+#include <linux/bitops.h>
#include <linux/moduleparam.h> /* Use the backport. */
/* Compiler */
@@ -186,6 +187,10 @@ void show_stack(struct task_struct *task
#define __deprecated __attribute__((deprecated))
#endif
+#ifndef BITOP_WORD
+#define BITOP_WORD(nr) ((nr) / BITS_PER_LONG)
+#endif
+
#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) */
#define compat_module_param_array(name, type, count, perm) \
Index: ksrc/arch/generic/compat.c
===================================================================
--- ksrc/arch/generic/compat.c (revision 3869)
+++ ksrc/arch/generic/compat.c (working copy)
@@ -1,3 +1,4 @@
+#include <asm/xenomai/wrappers.h>
#include <linux/sched.h>
#include <linux/completion.h>
#include <linux/unistd.h>
@@ -108,7 +109,7 @@ EXPORT_SYMBOL(kthread_create);
EXPORT_SYMBOL(kthread_should_stop);
EXPORT_SYMBOL(kthread_stop);
-static inline unsigned long __ffs(unsigned long word)
+static inline unsigned long __ffs_compat(unsigned long word)
{
if ((unsigned)(word))
return ffs(word) - 1;
@@ -157,5 +158,5 @@ found_first:
if (tmp == 0UL) /* Are any bits set? */
return result + size; /* Nope. */
found_middle:
- return result + __ffs(tmp);
+ return result + __ffs_compat(tmp);
}
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