[ubicom32]: move new files out from platform support patch

[openwrt.git] / target / linux / ubicom32 / files / arch / ubicom32 / include / asm / irqflags.h

diff --git a/target/linux/ubicom32/files/arch/ubicom32/include/asm/irqflags.h b/target/linux/ubicom32/files/arch/ubicom32/include/asm/irqflags.h
new file mode 100644 (file)
index 0000000..f40906e
--- /dev/null
+++ b/target/linux/ubicom32/files/arch/ubicom32/include/asm/irqflags.h
@@ -0,0 +1,96 @@
+/*
+ * arch/ubicom32/include/asm/irqflags.h
+ *   Raw implementation of local IRQ functions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_IRQFLAGS_H
+#define _ASM_UBICOM32_IRQFLAGS_H
+
+#include <linux/thread_info.h>
+#include <asm/ubicom32-common.h>
+#if defined(CONFIG_SMP)
+#include <asm/smp.h>
+#endif
+#include <asm/ldsr.h>
+
+#if defined(CONFIG_PREEMPT)
+#error Not supported by Ubicom32 irq handling, yet!
+#endif
+
+/*
+ * raw_local_irq_enable()
+ *     Enable interrupts for this thread.
+ */
+static inline void raw_local_irq_enable(void)
+{
+       ldsr_local_irq_enable();
+}
+
+/*
+ * raw_local_irq_disable()
+ *     Disable interrupts for this thread.
+ */
+static inline void raw_local_irq_disable(void)
+{
+       ldsr_local_irq_disable();
+}
+
+/*
+ * raw_local_save_flags()
+ *     Get the current IRQ state.
+ */
+#define raw_local_save_flags(flags)            \
+do {                                           \
+       (flags) = ldsr_local_irq_is_disabled(); \
+} while (0)
+
+/*
+ * raw_local_irq_save()
+ *     Save the current interrupt state and disable interrupts.
+ */
+#define raw_local_irq_save(flags)              \
+do {                                           \
+       (flags) = ldsr_local_irq_save();        \
+} while (0)
+
+/*
+ * raw_local_irq_restore()
+ *     Restore the IRQ state back to flags.
+ */
+static inline void raw_local_irq_restore(unsigned long flags)
+{
+       ldsr_local_irq_restore(flags);
+}
+
+/*
+ * raw_irqs_disabled_flags()
+ *     Return true if the flags indicate that IRQ(s) are disabled.
+ */
+static inline int raw_irqs_disabled_flags(unsigned long flags)
+{
+       return (flags);
+}
+
+#endif /* _ASM_UBICOM32_IRQFLAGS_H */