Merge branch 'linux-2.6'

1 files changed, 85 insertions, 0 deletions

diff --git a/include/asm-sh/irqflags_64.h b/include/asm-sh/irqflags_64.h
new file mode 100644
index 0000000..4f6b8a5
--- /dev/null
+++ b/include/asm-sh/irqflags_64.h
@@ -0,0 +1,85 @@
+#ifndef __ASM_SH_IRQFLAGS_64_H
+#define __ASM_SH_IRQFLAGS_64_H
+
+#include <asm/cpu/registers.h>
+
+#define SR_MASK_LL	0x00000000000000f0LL
+#define SR_BL_LL	0x0000000010000000LL
+
+static inline void raw_local_irq_enable(void)
+{
+	unsigned long long __dummy0, __dummy1 = ~SR_MASK_LL;
+
+	__asm__ __volatile__("getcon	" __SR ", %0\n\t"
+			     "and	%0, %1, %0\n\t"
+			     "putcon	%0, " __SR "\n\t"
+			     : "=&r" (__dummy0)
+			     : "r" (__dummy1));
+}
+
+static inline void raw_local_irq_disable(void)
+{
+	unsigned long long __dummy0, __dummy1 = SR_MASK_LL;
+
+	__asm__ __volatile__("getcon	" __SR ", %0\n\t"
+			     "or	%0, %1, %0\n\t"
+			     "putcon	%0, " __SR "\n\t"
+			     : "=&r" (__dummy0)
+			     : "r" (__dummy1));
+}
+
+static inline void set_bl_bit(void)
+{
+	unsigned long long __dummy0, __dummy1 = SR_BL_LL;
+
+	__asm__ __volatile__("getcon	" __SR ", %0\n\t"
+			     "or	%0, %1, %0\n\t"
+			     "putcon	%0, " __SR "\n\t"
+			     : "=&r" (__dummy0)
+			     : "r" (__dummy1));
+
+}
+
+static inline void clear_bl_bit(void)
+{
+	unsigned long long __dummy0, __dummy1 = ~SR_BL_LL;
+
+	__asm__ __volatile__("getcon	" __SR ", %0\n\t"
+			     "and	%0, %1, %0\n\t"
+			     "putcon	%0, " __SR "\n\t"
+			     : "=&r" (__dummy0)
+			     : "r" (__dummy1));
+}
+
+static inline unsigned long __raw_local_save_flags(void)
+{
+	unsigned long long __dummy = SR_MASK_LL;
+	unsigned long flags;
+
+	__asm__ __volatile__ (
+		"getcon	" __SR ", %0\n\t"
+		"and	%0, %1, %0"
+		: "=&r" (flags)
+		: "r" (__dummy));
+
+	return flags;
+}
+
+static inline unsigned long __raw_local_irq_save(void)
+{
+	unsigned long long __dummy0, __dummy1 = SR_MASK_LL;
+	unsigned long flags;
+
+	__asm__ __volatile__ (
+		"getcon	" __SR ", %1\n\t"
+		"or	%1, r63, %0\n\t"
+		"or	%1, %2, %1\n\t"
+		"putcon	%1, " __SR "\n\t"
+		"and	%0, %2, %0"
+		: "=&r" (flags), "=&r" (__dummy0)
+		: "r" (__dummy1));
+
+	return flags;
+}
+
+#endif /* __ASM_SH_IRQFLAGS_64_H */