fedora kernel: d9aad82f3319f3cfd1aebc01234254ef0c37ad84v3.3.2-1

Signed-off-by: Anton Arapov <anton@redhat.com>

1 files changed, 47 insertions, 0 deletions

diff --git a/arch/cris/include/arch-v32/arch/system.h b/arch/cris/include/arch-v32/arch/system.h
new file mode 100644
index 00000000000..76cea99eaa6
--- /dev/null
+++ b/arch/cris/include/arch-v32/arch/system.h
@@ -0,0 +1,47 @@
+#ifndef _ASM_CRIS_ARCH_SYSTEM_H
+#define _ASM_CRIS_ARCH_SYSTEM_H
+
+
+/* Read the CPU version register. */
+static inline unsigned long rdvr(void)
+{
+	unsigned char vr;
+
+	__asm__ __volatile__ ("move $vr, %0" : "=rm" (vr));
+	return vr;
+}
+
+#define cris_machine_name "crisv32"
+
+/* Read the user-mode stack pointer. */
+static inline unsigned long rdusp(void)
+{
+	unsigned long usp;
+
+	__asm__ __volatile__ ("move $usp, %0" : "=rm" (usp));
+	return usp;
+}
+
+/* Read the current stack pointer. */
+static inline unsigned long rdsp(void)
+{
+	unsigned long sp;
+
+	__asm__ __volatile__ ("move.d $sp, %0" : "=rm" (sp));
+	return sp;
+}
+
+/* Write the user-mode stack pointer. */
+#define wrusp(usp) __asm__ __volatile__ ("move %0, $usp" : : "rm" (usp))
+
+#define nop() __asm__ __volatile__ ("nop");
+
+#define xchg(ptr,x) \
+	((__typeof__(*(ptr)))__xchg((unsigned long) (x),(ptr),sizeof(*(ptr))))
+
+#define tas(ptr) (xchg((ptr),1))
+
+struct __xchg_dummy { unsigned long a[100]; };
+#define __xg(x) ((struct __xchg_dummy *)(x))
+
+#endif /* _ASM_CRIS_ARCH_SYSTEM_H */